mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
3765 lines
128 KiB
C++
3765 lines
128 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsPrintEngine.h"
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#include "nsIStringBundle.h"
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#include "nsReadableUtils.h"
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#include "nsCRT.h"
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#include "nsISelection.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsPIDOMWindow.h"
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#include "nsIDocShell.h"
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#include "nsIURI.h"
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#include "nsITextToSubURI.h"
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#include "nsContentErrors.h"
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// Print Options
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#include "nsIPrintSettings.h"
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#include "nsIPrintSettingsService.h"
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#include "nsIPrintOptions.h"
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#include "nsIPrintSession.h"
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#include "nsGfxCIID.h"
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#include "nsIServiceManager.h"
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#include "nsGkAtoms.h"
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#include "nsXPCOM.h"
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#include "nsISupportsPrimitives.h"
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static const char sPrintSettingsServiceContractID[] = "@mozilla.org/gfx/printsettings-service;1";
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// Printing Events
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#include "nsPrintPreviewListener.h"
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#include "nsThreadUtils.h"
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// Printing
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#include "nsIWebBrowserPrint.h"
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#include "nsIDOMHTMLFrameElement.h"
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#include "nsIDOMHTMLFrameSetElement.h"
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#include "nsIDOMHTMLIFrameElement.h"
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#include "nsIDOMHTMLObjectElement.h"
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#include "nsIDOMHTMLEmbedElement.h"
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// Print Preview
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#include "imgIContainer.h" // image animation mode constants
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#include "nsIWebBrowserPrint.h" // needed for PrintPreview Navigation constants
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// Print Progress
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#include "nsIPrintProgress.h"
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#include "nsIPrintProgressParams.h"
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#include "nsIObserver.h"
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// Print error dialog
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#include "nsIPrompt.h"
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#include "nsIWindowWatcher.h"
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#include "nsIStringBundle.h"
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// Printing Prompts
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#include "nsIPrintingPromptService.h"
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static const char kPrintingPromptService[] = "@mozilla.org/embedcomp/printingprompt-service;1";
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// Printing Timer
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#include "nsPagePrintTimer.h"
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// FrameSet
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#include "nsIDocument.h"
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// Focus
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#include "nsIDOMEventTarget.h"
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#include "nsIDOMFocusListener.h"
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#include "nsISelectionController.h"
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// Misc
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#include "nsISupportsUtils.h"
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#include "nsIFrame.h"
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#include "nsIScriptContext.h"
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#include "nsILinkHandler.h"
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#include "nsIDOMDocument.h"
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#include "nsISelectionListener.h"
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#include "nsISelectionPrivate.h"
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#include "nsIDOMHTMLDocument.h"
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#include "nsIDOMNSDocument.h"
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#include "nsIDOMNSHTMLDocument.h"
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#include "nsIDOMHTMLCollection.h"
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#include "nsIDOMHTMLElement.h"
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#include "nsIDOMRange.h"
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#include "nsContentCID.h"
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#include "nsLayoutCID.h"
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#include "nsContentUtils.h"
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#include "nsIPresShell.h"
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#include "nsLayoutUtils.h"
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#include "mozilla/Preferences.h"
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#include "nsViewsCID.h"
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#include "nsWidgetsCID.h"
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#include "nsIDeviceContextSpec.h"
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#include "nsIViewManager.h"
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#include "nsIView.h"
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#include "nsRenderingContext.h"
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#include "nsIPageSequenceFrame.h"
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#include "nsIURL.h"
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#include "nsIContentViewerEdit.h"
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#include "nsIContentViewerFile.h"
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#include "nsIMarkupDocumentViewer.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIDocShellTreeNode.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIWebBrowserChrome.h"
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#include "nsIDocShell.h"
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#include "nsIBaseWindow.h"
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#include "nsILayoutHistoryState.h"
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#include "nsFrameManager.h"
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#include "nsIParser.h"
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#include "nsGUIEvent.h"
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#include "nsHTMLReflowState.h"
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#include "nsIDOMHTMLAnchorElement.h"
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#include "nsIDOMHTMLAreaElement.h"
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#include "nsIDOMHTMLLinkElement.h"
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#include "nsIDOMHTMLImageElement.h"
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#include "nsIContentViewerContainer.h"
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#include "nsIContentViewer.h"
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#include "nsIDocumentViewer.h"
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#include "nsIDocumentViewerPrint.h"
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#include "nsPIDOMWindow.h"
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#include "nsFocusManager.h"
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#include "nsRange.h"
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#include "nsCDefaultURIFixup.h"
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#include "nsIURIFixup.h"
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#include "mozilla/dom/Element.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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//-----------------------------------------------------
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// PR LOGGING
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#ifdef MOZ_LOGGING
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#define FORCE_PR_LOG /* Allow logging in the release build */
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#endif
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#include "prlog.h"
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#ifdef PR_LOGGING
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#ifdef NS_DEBUG
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// PR_LOGGING is force to always be on (even in release builds)
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// but we only want some of it on,
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//#define EXTENDED_DEBUG_PRINTING
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#endif
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#define DUMP_LAYOUT_LEVEL 9 // this turns on the dumping of each doucment's layout info
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static PRLogModuleInfo * kPrintingLogMod = PR_NewLogModule("printing");
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#define PR_PL(_p1) PR_LOG(kPrintingLogMod, PR_LOG_DEBUG, _p1);
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#ifdef EXTENDED_DEBUG_PRINTING
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static PRUint32 gDumpFileNameCnt = 0;
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static PRUint32 gDumpLOFileNameCnt = 0;
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#endif
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#define PRT_YESNO(_p) ((_p)?"YES":"NO")
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static const char * gFrameTypesStr[] = {"eDoc", "eFrame", "eIFrame", "eFrameSet"};
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static const char * gPrintFrameTypeStr[] = {"kNoFrames", "kFramesAsIs", "kSelectedFrame", "kEachFrameSep"};
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static const char * gFrameHowToEnableStr[] = {"kFrameEnableNone", "kFrameEnableAll", "kFrameEnableAsIsAndEach"};
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static const char * gPrintRangeStr[] = {"kRangeAllPages", "kRangeSpecifiedPageRange", "kRangeSelection", "kRangeFocusFrame"};
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#else
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#define PRT_YESNO(_p)
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#define PR_PL(_p1)
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#endif
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#ifdef EXTENDED_DEBUG_PRINTING
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// Forward Declarations
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static void DumpPrintObjectsListStart(const char * aStr, nsTArray<nsPrintObject*> * aDocList);
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static void DumpPrintObjectsTree(nsPrintObject * aPO, int aLevel= 0, FILE* aFD = nsnull);
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static void DumpPrintObjectsTreeLayout(nsPrintObject * aPO,nsDeviceContext * aDC, int aLevel= 0, FILE * aFD = nsnull);
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#define DUMP_DOC_LIST(_title) DumpPrintObjectsListStart((_title), mPrt->mPrintDocList);
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#define DUMP_DOC_TREE DumpPrintObjectsTree(mPrt->mPrintObject);
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#define DUMP_DOC_TREELAYOUT DumpPrintObjectsTreeLayout(mPrt->mPrintObject, mPrt->mPrintDC);
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#else
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#define DUMP_DOC_LIST(_title)
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#define DUMP_DOC_TREE
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#define DUMP_DOC_TREELAYOUT
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#endif
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class nsScriptSuppressor
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{
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public:
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nsScriptSuppressor(nsPrintEngine* aPrintEngine)
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: mPrintEngine(aPrintEngine), mSuppressed(PR_FALSE) {}
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~nsScriptSuppressor() { Unsuppress(); }
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void Suppress()
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{
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if (mPrintEngine) {
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mSuppressed = PR_TRUE;
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mPrintEngine->TurnScriptingOn(PR_FALSE);
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}
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}
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void Unsuppress()
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{
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if (mPrintEngine && mSuppressed) {
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mPrintEngine->TurnScriptingOn(PR_TRUE);
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}
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mSuppressed = PR_FALSE;
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}
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void Disconnect() { mPrintEngine = nsnull; }
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protected:
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nsRefPtr<nsPrintEngine> mPrintEngine;
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PRBool mSuppressed;
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};
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// Class IDs
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static NS_DEFINE_CID(kViewManagerCID, NS_VIEW_MANAGER_CID);
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NS_IMPL_ISUPPORTS1(nsPrintEngine, nsIObserver)
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//---------------------------------------------------
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//-- nsPrintEngine Class Impl
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//---------------------------------------------------
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nsPrintEngine::nsPrintEngine() :
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mIsCreatingPrintPreview(PR_FALSE),
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mIsDoingPrinting(PR_FALSE),
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mIsDoingPrintPreview(PR_FALSE),
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mProgressDialogIsShown(PR_FALSE),
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mScreenDPI(115.0f),
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mPrt(nsnull),
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mPagePrintTimer(nsnull),
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mPageSeqFrame(nsnull),
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mPrtPreview(nsnull),
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mOldPrtPreview(nsnull),
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mDebugFile(nsnull)
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{
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}
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//-------------------------------------------------------
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nsPrintEngine::~nsPrintEngine()
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{
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Destroy(); // for insurance
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}
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//-------------------------------------------------------
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void nsPrintEngine::Destroy()
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{
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if (mPrt) {
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delete mPrt;
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mPrt = nsnull;
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}
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#ifdef NS_PRINT_PREVIEW
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if (mPrtPreview) {
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delete mPrtPreview;
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mPrtPreview = nsnull;
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}
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// This is insruance
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if (mOldPrtPreview) {
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delete mOldPrtPreview;
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mOldPrtPreview = nsnull;
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}
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#endif
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mDocViewerPrint = nsnull;
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}
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//-------------------------------------------------------
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void nsPrintEngine::DestroyPrintingData()
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{
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if (mPrt) {
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delete mPrt;
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mPrt = nsnull;
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}
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}
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//---------------------------------------------------------------------------------
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//-- Section: Methods needed by the DocViewer
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//---------------------------------------------------------------------------------
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//--------------------------------------------------------
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nsresult nsPrintEngine::Initialize(nsIDocumentViewerPrint* aDocViewerPrint,
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nsIWeakReference* aContainer,
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nsIDocument* aDocument,
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float aScreenDPI,
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FILE* aDebugFile)
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{
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NS_ENSURE_ARG_POINTER(aDocViewerPrint);
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NS_ENSURE_ARG_POINTER(aContainer);
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NS_ENSURE_ARG_POINTER(aDocument);
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mDocViewerPrint = aDocViewerPrint;
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mContainer = aContainer;
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mDocument = aDocument;
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mScreenDPI = aScreenDPI;
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mDebugFile = aDebugFile; // ok to be NULL
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return NS_OK;
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}
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//-------------------------------------------------------
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PRBool
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nsPrintEngine::CheckBeforeDestroy()
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{
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if (mPrt && mPrt->mPreparingForPrint) {
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mPrt->mDocWasToBeDestroyed = PR_TRUE;
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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//-------------------------------------------------------
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nsresult
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nsPrintEngine::Cancelled()
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{
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if (mPrt && mPrt->mPrintSettings) {
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return mPrt->mPrintSettings->SetIsCancelled(PR_TRUE);
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}
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return NS_ERROR_FAILURE;
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}
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//-------------------------------------------------------
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// Install our event listeners on the document to prevent
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// some events from being processed while in PrintPreview
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//
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// No return code - if this fails, there isn't much we can do
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void
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nsPrintEngine::InstallPrintPreviewListener()
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{
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if (!mPrt->mPPEventListeners) {
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nsCOMPtr<nsIDocShell> docShell = do_QueryReferent(mContainer);
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nsCOMPtr<nsPIDOMWindow> win(do_GetInterface(docShell));
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if (win) {
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nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(win->GetFrameElementInternal()));
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mPrt->mPPEventListeners = new nsPrintPreviewListener(target);
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mPrt->mPPEventListeners->AddListeners();
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}
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}
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}
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//----------------------------------------------------------------------
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nsresult
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nsPrintEngine::GetSeqFrameAndCountPagesInternal(nsPrintObject* aPO,
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nsIFrame*& aSeqFrame,
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PRInt32& aCount)
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{
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NS_ENSURE_ARG_POINTER(aPO);
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// Finds the SimplePageSequencer frame
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nsIPageSequenceFrame* seqFrame = aPO->mPresShell->GetPageSequenceFrame();
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if (seqFrame) {
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aSeqFrame = do_QueryFrame(seqFrame);
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} else {
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aSeqFrame = nsnull;
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}
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if (aSeqFrame == nsnull) return NS_ERROR_FAILURE;
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// first count the total number of pages
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aCount = 0;
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nsIFrame* pageFrame = aSeqFrame->GetFirstChild(nsnull);
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while (pageFrame != nsnull) {
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aCount++;
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pageFrame = pageFrame->GetNextSibling();
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}
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return NS_OK;
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}
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//-----------------------------------------------------------------
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nsresult nsPrintEngine::GetSeqFrameAndCountPages(nsIFrame*& aSeqFrame, PRInt32& aCount)
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{
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NS_ASSERTION(mPrtPreview, "mPrtPreview can't be null!");
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return GetSeqFrameAndCountPagesInternal(mPrtPreview->mPrintObject, aSeqFrame, aCount);
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}
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//---------------------------------------------------------------------------------
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//-- Done: Methods needed by the DocViewer
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//---------------------------------------------------------------------------------
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//---------------------------------------------------------------------------------
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//-- Section: nsIWebBrowserPrint
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//---------------------------------------------------------------------------------
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// Foward decl for Debug Helper Functions
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#ifdef EXTENDED_DEBUG_PRINTING
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static int RemoveFilesInDir(const char * aDir);
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static void GetDocTitleAndURL(nsPrintObject* aPO, char *& aDocStr, char *& aURLStr);
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static void DumpPrintObjectsTree(nsPrintObject * aPO, int aLevel, FILE* aFD);
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static void DumpPrintObjectsList(nsTArray<nsPrintObject*> * aDocList);
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static void RootFrameList(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent);
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static void DumpViews(nsIDocShell* aDocShell, FILE* out);
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static void DumpLayoutData(char* aTitleStr, char* aURLStr,
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nsPresContext* aPresContext,
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nsDeviceContext * aDC, nsIFrame * aRootFrame,
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nsIDocShell * aDocShell, FILE* aFD);
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#endif
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//--------------------------------------------------------------------------------
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nsresult
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nsPrintEngine::CommonPrint(PRBool aIsPrintPreview,
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nsIPrintSettings* aPrintSettings,
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nsIWebProgressListener* aWebProgressListener,
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nsIDOMDocument* aDoc) {
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nsresult rv = DoCommonPrint(aIsPrintPreview, aPrintSettings,
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aWebProgressListener, aDoc);
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if (NS_FAILED(rv)) {
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if (aIsPrintPreview) {
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SetIsCreatingPrintPreview(PR_FALSE);
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SetIsPrintPreview(PR_FALSE);
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} else {
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SetIsPrinting(PR_FALSE);
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}
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if (mProgressDialogIsShown)
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CloseProgressDialog(aWebProgressListener);
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if (rv != NS_ERROR_ABORT && rv != NS_ERROR_OUT_OF_MEMORY)
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|
ShowPrintErrorDialog(rv, !aIsPrintPreview);
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delete mPrt;
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mPrt = nsnull;
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}
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return rv;
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}
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nsresult
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nsPrintEngine::DoCommonPrint(PRBool aIsPrintPreview,
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nsIPrintSettings* aPrintSettings,
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nsIWebProgressListener* aWebProgressListener,
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nsIDOMDocument* aDoc)
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|
{
|
|
nsresult rv;
|
|
|
|
if (aIsPrintPreview) {
|
|
// The WebProgressListener can be QI'ed to nsIPrintingPromptService
|
|
// then that means the progress dialog is already being shown.
|
|
nsCOMPtr<nsIPrintingPromptService> pps(do_QueryInterface(aWebProgressListener));
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mProgressDialogIsShown = pps != nsnull;
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if (mIsDoingPrintPreview) {
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mOldPrtPreview = mPrtPreview;
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mPrtPreview = nsnull;
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}
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|
} else {
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|
mProgressDialogIsShown = PR_FALSE;
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}
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|
mPrt = new nsPrintData(aIsPrintPreview ? nsPrintData::eIsPrintPreview :
|
|
nsPrintData::eIsPrinting);
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NS_ENSURE_TRUE(mPrt, NS_ERROR_OUT_OF_MEMORY);
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|
|
// if they don't pass in a PrintSettings, then get the Global PS
|
|
mPrt->mPrintSettings = aPrintSettings;
|
|
if (!mPrt->mPrintSettings) {
|
|
rv = GetGlobalPrintSettings(getter_AddRefs(mPrt->mPrintSettings));
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NS_ENSURE_SUCCESS(rv, rv);
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|
}
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|
rv = CheckForPrinters(mPrt->mPrintSettings);
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NS_ENSURE_SUCCESS(rv, rv);
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mPrt->mPrintSettings->SetIsCancelled(PR_FALSE);
|
|
mPrt->mPrintSettings->GetShrinkToFit(&mPrt->mShrinkToFit);
|
|
|
|
if (aIsPrintPreview) {
|
|
SetIsCreatingPrintPreview(PR_TRUE);
|
|
SetIsPrintPreview(PR_TRUE);
|
|
nsCOMPtr<nsIMarkupDocumentViewer_MOZILLA_2_0_BRANCH> viewer =
|
|
do_QueryInterface(mDocViewerPrint);
|
|
if (viewer) {
|
|
viewer->SetTextZoom(1.0f);
|
|
viewer->SetFullZoom(1.0f);
|
|
viewer->SetMinFontSize(0);
|
|
}
|
|
}
|
|
|
|
// Create a print session and let the print settings know about it.
|
|
// The print settings hold an nsWeakPtr to the session so it does not
|
|
// need to be cleared from the settings at the end of the job.
|
|
// XXX What lifetime does the printSession need to have?
|
|
nsCOMPtr<nsIPrintSession> printSession;
|
|
if (!aIsPrintPreview) {
|
|
printSession = do_CreateInstance("@mozilla.org/gfx/printsession;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
mPrt->mPrintSettings->SetPrintSession(printSession);
|
|
}
|
|
|
|
if (aWebProgressListener != nsnull) {
|
|
mPrt->mPrintProgressListeners.AppendObject(aWebProgressListener);
|
|
}
|
|
|
|
// Get the currently focused window and cache it
|
|
// because the Print Dialog will "steal" focus and later when you try
|
|
// to get the currently focused windows it will be NULL
|
|
mPrt->mCurrentFocusWin = FindFocusedDOMWindow();
|
|
|
|
// Check to see if there is a "regular" selection
|
|
PRBool isSelection = IsThereARangeSelection(mPrt->mCurrentFocusWin);
|
|
|
|
// Get the docshell for this documentviewer
|
|
nsCOMPtr<nsIDocShell> webContainer(do_QueryReferent(mContainer, &rv));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mPrt->mPrintObject = new nsPrintObject();
|
|
NS_ENSURE_TRUE(mPrt->mPrintObject, NS_ERROR_OUT_OF_MEMORY);
|
|
rv = mPrt->mPrintObject->Init(webContainer, aDoc, aIsPrintPreview);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
NS_ENSURE_TRUE(mPrt->mPrintDocList.AppendElement(mPrt->mPrintObject),
|
|
NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
mPrt->mIsParentAFrameSet = IsParentAFrameSet(webContainer);
|
|
mPrt->mPrintObject->mFrameType = mPrt->mIsParentAFrameSet ? eFrameSet : eDoc;
|
|
|
|
// Build the "tree" of PrintObjects
|
|
nsCOMPtr<nsIDocShellTreeNode> parentAsNode =
|
|
do_QueryInterface(mPrt->mPrintObject->mDocShell);
|
|
BuildDocTree(parentAsNode, &mPrt->mPrintDocList, mPrt->mPrintObject);
|
|
|
|
if (!aIsPrintPreview) {
|
|
SetIsPrinting(PR_TRUE);
|
|
}
|
|
|
|
// XXX This isn't really correct...
|
|
if (!mPrt->mPrintObject->mDocument ||
|
|
!mPrt->mPrintObject->mDocument->GetRootElement())
|
|
return NS_ERROR_GFX_PRINTER_STARTDOC;
|
|
|
|
// Create the linkage from the sub-docs back to the content element
|
|
// in the parent document
|
|
MapContentToWebShells(mPrt->mPrintObject, mPrt->mPrintObject);
|
|
|
|
mPrt->mIsIFrameSelected = IsThereAnIFrameSelected(webContainer, mPrt->mCurrentFocusWin, mPrt->mIsParentAFrameSet);
|
|
|
|
// Setup print options for UI
|
|
if (mPrt->mIsParentAFrameSet) {
|
|
if (mPrt->mCurrentFocusWin) {
|
|
mPrt->mPrintSettings->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableAll);
|
|
} else {
|
|
mPrt->mPrintSettings->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableAsIsAndEach);
|
|
}
|
|
} else {
|
|
mPrt->mPrintSettings->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableNone);
|
|
}
|
|
// Now determine how to set up the Frame print UI
|
|
mPrt->mPrintSettings->SetPrintOptions(nsIPrintSettings::kEnableSelectionRB, isSelection || mPrt->mIsIFrameSelected);
|
|
|
|
nsCOMPtr<nsIDeviceContextSpec> devspec
|
|
(do_CreateInstance("@mozilla.org/gfx/devicecontextspec;1", &rv));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsScriptSuppressor scriptSuppressor(this);
|
|
if (!aIsPrintPreview) {
|
|
#ifdef NS_DEBUG
|
|
mPrt->mDebugFilePtr = mDebugFile;
|
|
#endif
|
|
|
|
scriptSuppressor.Suppress();
|
|
PRBool printSilently;
|
|
mPrt->mPrintSettings->GetPrintSilent(&printSilently);
|
|
|
|
// Check prefs for a default setting as to whether we should print silently
|
|
printSilently =
|
|
Preferences::GetBool("print.always_print_silent", printSilently);
|
|
|
|
// Ask dialog to be Print Shown via the Plugable Printing Dialog Service
|
|
// This service is for the Print Dialog and the Print Progress Dialog
|
|
// If printing silently or you can't get the service continue on
|
|
if (!printSilently) {
|
|
nsCOMPtr<nsIPrintingPromptService> printPromptService(do_GetService(kPrintingPromptService));
|
|
if (printPromptService) {
|
|
nsIDOMWindow *domWin = mDocument->GetWindow();
|
|
NS_ENSURE_TRUE(domWin, NS_ERROR_FAILURE);
|
|
|
|
// Platforms not implementing a given dialog for the service may
|
|
// return NS_ERROR_NOT_IMPLEMENTED or an error code.
|
|
//
|
|
// NS_ERROR_NOT_IMPLEMENTED indicates they want default behavior
|
|
// Any other error code means we must bail out
|
|
//
|
|
nsCOMPtr<nsIWebBrowserPrint> wbp(do_QueryInterface(mDocViewerPrint));
|
|
rv = printPromptService->ShowPrintDialog(domWin, wbp,
|
|
mPrt->mPrintSettings);
|
|
//
|
|
// ShowPrintDialog triggers an event loop which means we can't assume
|
|
// that the state of this->{anything} matches the state we've checked
|
|
// above. Including that a given {thing} is non null.
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// since we got the dialog and it worked then make sure we
|
|
// are telling GFX we want to print silent
|
|
printSilently = PR_TRUE;
|
|
|
|
if (mPrt && mPrt->mPrintSettings) {
|
|
// The user might have changed shrink-to-fit in the print dialog, so update our copy of its state
|
|
mPrt->mPrintSettings->GetShrinkToFit(&mPrt->mShrinkToFit);
|
|
}
|
|
} else if (rv == NS_ERROR_NOT_IMPLEMENTED) {
|
|
// This means the Dialog service was there,
|
|
// but they choose not to implement this dialog and
|
|
// are looking for default behavior from the toolkit
|
|
rv = NS_OK;
|
|
}
|
|
} else {
|
|
rv = NS_ERROR_GFX_NO_PRINTROMPTSERVICE;
|
|
}
|
|
} else {
|
|
// Call any code that requires a run of the event loop.
|
|
rv = mPrt->mPrintSettings->SetupSilentPrinting();
|
|
}
|
|
// Check explicitly for abort because it's expected
|
|
if (rv == NS_ERROR_ABORT)
|
|
return rv;
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
rv = devspec->Init(nsnull, mPrt->mPrintSettings, aIsPrintPreview);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mPrt->mPrintDC = new nsDeviceContext();
|
|
rv = mPrt->mPrintDC->InitForPrinting(devspec);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (aIsPrintPreview) {
|
|
mPrt->mPrintSettings->SetPrintFrameType(nsIPrintSettings::kFramesAsIs);
|
|
|
|
// override any UI that wants to PrintPreview any selection or page range
|
|
// we want to view every page in PrintPreview each time
|
|
mPrt->mPrintSettings->SetPrintRange(nsIPrintSettings::kRangeAllPages);
|
|
} else {
|
|
// Always check and set the print settings first and then fall back
|
|
// onto the PrintService if there isn't a PrintSettings
|
|
//
|
|
// Posiible Usage values:
|
|
// nsIPrintSettings::kUseInternalDefault
|
|
// nsIPrintSettings::kUseSettingWhenPossible
|
|
//
|
|
// NOTE: The consts are the same for PrintSettings and PrintSettings
|
|
PRInt16 printFrameTypeUsage = nsIPrintSettings::kUseSettingWhenPossible;
|
|
mPrt->mPrintSettings->GetPrintFrameTypeUsage(&printFrameTypeUsage);
|
|
|
|
// Ok, see if we are going to use our value and override the default
|
|
if (printFrameTypeUsage == nsIPrintSettings::kUseSettingWhenPossible) {
|
|
// Get the Print Options/Settings PrintFrameType to see what is preferred
|
|
PRInt16 printFrameType = nsIPrintSettings::kEachFrameSep;
|
|
mPrt->mPrintSettings->GetPrintFrameType(&printFrameType);
|
|
|
|
// Don't let anybody do something stupid like try to set it to
|
|
// kNoFrames when we are printing a FrameSet
|
|
if (printFrameType == nsIPrintSettings::kNoFrames) {
|
|
mPrt->mPrintFrameType = nsIPrintSettings::kEachFrameSep;
|
|
mPrt->mPrintSettings->SetPrintFrameType(mPrt->mPrintFrameType);
|
|
} else {
|
|
// First find out from the PrinService what options are available
|
|
// to us for Printing FrameSets
|
|
PRInt16 howToEnableFrameUI;
|
|
mPrt->mPrintSettings->GetHowToEnableFrameUI(&howToEnableFrameUI);
|
|
if (howToEnableFrameUI != nsIPrintSettings::kFrameEnableNone) {
|
|
switch (howToEnableFrameUI) {
|
|
case nsIPrintSettings::kFrameEnableAll:
|
|
mPrt->mPrintFrameType = printFrameType;
|
|
break;
|
|
|
|
case nsIPrintSettings::kFrameEnableAsIsAndEach:
|
|
if (printFrameType != nsIPrintSettings::kSelectedFrame) {
|
|
mPrt->mPrintFrameType = printFrameType;
|
|
} else { // revert back to a good value
|
|
mPrt->mPrintFrameType = nsIPrintSettings::kEachFrameSep;
|
|
}
|
|
break;
|
|
} // switch
|
|
mPrt->mPrintSettings->SetPrintFrameType(mPrt->mPrintFrameType);
|
|
}
|
|
}
|
|
} else {
|
|
mPrt->mPrintSettings->GetPrintFrameType(&mPrt->mPrintFrameType);
|
|
}
|
|
}
|
|
|
|
if (aIsPrintPreview) {
|
|
PRBool notifyOnInit = PR_FALSE;
|
|
ShowPrintProgress(PR_FALSE, notifyOnInit);
|
|
|
|
// Very important! Turn Off scripting
|
|
TurnScriptingOn(PR_FALSE);
|
|
|
|
if (!notifyOnInit) {
|
|
rv = FinishPrintPreview();
|
|
} else {
|
|
rv = NS_OK;
|
|
}
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
} else {
|
|
PRBool doNotify;
|
|
ShowPrintProgress(PR_TRUE, doNotify);
|
|
if (!doNotify) {
|
|
// Print listener setup...
|
|
mPrt->OnStartPrinting();
|
|
rv = DocumentReadyForPrinting();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
|
|
// We will enable scripting later after printing has finished.
|
|
scriptSuppressor.Disconnect();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::Print(nsIPrintSettings* aPrintSettings,
|
|
nsIWebProgressListener* aWebProgressListener)
|
|
{
|
|
// If we have a print preview document, use that instead of the original
|
|
// mDocument. That way animated images etc. get printed using the same state
|
|
// as in print preview.
|
|
nsCOMPtr<nsIDOMDocument> doc =
|
|
do_QueryInterface(mPrtPreview && mPrtPreview->mPrintObject ?
|
|
mPrtPreview->mPrintObject->mDocument : mDocument);
|
|
|
|
return CommonPrint(PR_FALSE, aPrintSettings, aWebProgressListener, doc);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::PrintPreview(nsIPrintSettings* aPrintSettings,
|
|
nsIDOMWindow *aChildDOMWin,
|
|
nsIWebProgressListener* aWebProgressListener)
|
|
{
|
|
// Get the DocShell and see if it is busy
|
|
// (We can't Print Preview this document if it is still busy)
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryReferent(mContainer));
|
|
NS_ENSURE_STATE(docShell);
|
|
|
|
PRUint32 busyFlags = nsIDocShell::BUSY_FLAGS_NONE;
|
|
if (NS_FAILED(docShell->GetBusyFlags(&busyFlags)) ||
|
|
busyFlags != nsIDocShell::BUSY_FLAGS_NONE) {
|
|
CloseProgressDialog(aWebProgressListener);
|
|
ShowPrintErrorDialog(NS_ERROR_GFX_PRINTER_DOC_IS_BUSY_PP, PR_FALSE);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_ENSURE_STATE(aChildDOMWin);
|
|
nsCOMPtr<nsIDOMDocument> doc;
|
|
aChildDOMWin->GetDocument(getter_AddRefs(doc));
|
|
NS_ENSURE_STATE(doc);
|
|
|
|
// Document is not busy -- go ahead with the Print Preview
|
|
return CommonPrint(PR_TRUE, aPrintSettings, aWebProgressListener, doc);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
/* readonly attribute boolean isFramesetDocument; */
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::GetIsFramesetDocument(PRBool *aIsFramesetDocument)
|
|
{
|
|
nsCOMPtr<nsIDocShell> webContainer(do_QueryReferent(mContainer));
|
|
*aIsFramesetDocument = IsParentAFrameSet(webContainer);
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
/* readonly attribute boolean isIFrameSelected; */
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::GetIsIFrameSelected(PRBool *aIsIFrameSelected)
|
|
{
|
|
*aIsIFrameSelected = PR_FALSE;
|
|
|
|
// Get the docshell for this documentviewer
|
|
nsCOMPtr<nsIDocShell> webContainer(do_QueryReferent(mContainer));
|
|
// Get the currently focused window
|
|
nsCOMPtr<nsIDOMWindow> currentFocusWin = FindFocusedDOMWindow();
|
|
if (currentFocusWin && webContainer) {
|
|
// Get whether the doc contains a frameset
|
|
// Also, check to see if the currently focus docshell
|
|
// is a child of this docshell
|
|
PRPackedBool isParentFrameSet;
|
|
*aIsIFrameSelected = IsThereAnIFrameSelected(webContainer, currentFocusWin, isParentFrameSet);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
/* readonly attribute boolean isRangeSelection; */
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::GetIsRangeSelection(PRBool *aIsRangeSelection)
|
|
{
|
|
// Get the currently focused window
|
|
nsCOMPtr<nsIDOMWindow> currentFocusWin = FindFocusedDOMWindow();
|
|
*aIsRangeSelection = IsThereARangeSelection(currentFocusWin);
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
/* readonly attribute boolean isFramesetFrameSelected; */
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::GetIsFramesetFrameSelected(PRBool *aIsFramesetFrameSelected)
|
|
{
|
|
// Get the currently focused window
|
|
nsCOMPtr<nsIDOMWindow> currentFocusWin = FindFocusedDOMWindow();
|
|
*aIsFramesetFrameSelected = currentFocusWin != nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
/* readonly attribute long printPreviewNumPages; */
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::GetPrintPreviewNumPages(PRInt32 *aPrintPreviewNumPages)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aPrintPreviewNumPages);
|
|
|
|
nsIFrame* seqFrame = nsnull;
|
|
*aPrintPreviewNumPages = 0;
|
|
if (!mPrtPreview ||
|
|
NS_FAILED(GetSeqFrameAndCountPagesInternal(mPrtPreview->mPrintObject, seqFrame, *aPrintPreviewNumPages))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// Enumerate all the documents for their titles
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::EnumerateDocumentNames(PRUint32* aCount,
|
|
PRUnichar*** aResult)
|
|
{
|
|
NS_ENSURE_ARG(aCount);
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
|
|
*aCount = 0;
|
|
*aResult = nsnull;
|
|
|
|
PRInt32 numDocs = mPrt->mPrintDocList.Length();
|
|
PRUnichar** array = (PRUnichar**) nsMemory::Alloc(numDocs * sizeof(PRUnichar*));
|
|
if (!array)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
for (PRInt32 i=0;i<numDocs;i++) {
|
|
nsPrintObject* po = mPrt->mPrintDocList.ElementAt(i);
|
|
NS_ASSERTION(po, "nsPrintObject can't be null!");
|
|
PRUnichar * docTitleStr;
|
|
PRUnichar * docURLStr;
|
|
GetDocumentTitleAndURL(po->mDocument, &docTitleStr, &docURLStr);
|
|
|
|
// Use the URL if the doc is empty
|
|
if (!docTitleStr || !*docTitleStr) {
|
|
if (docURLStr && *docURLStr) {
|
|
nsMemory::Free(docTitleStr);
|
|
docTitleStr = docURLStr;
|
|
} else {
|
|
nsMemory::Free(docURLStr);
|
|
}
|
|
docURLStr = nsnull;
|
|
if (!docTitleStr || !*docTitleStr) {
|
|
CleanupDocTitleArray(array, i);
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
array[i] = docTitleStr;
|
|
if (docURLStr) nsMemory::Free(docURLStr);
|
|
}
|
|
*aCount = numDocs;
|
|
*aResult = array;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
/* readonly attribute nsIPrintSettings globalPrintSettings; */
|
|
nsresult
|
|
nsPrintEngine::GetGlobalPrintSettings(nsIPrintSettings **aGlobalPrintSettings)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aGlobalPrintSettings);
|
|
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
nsCOMPtr<nsIPrintSettingsService> printSettingsService =
|
|
do_GetService(sPrintSettingsServiceContractID, &rv);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = printSettingsService->GetGlobalPrintSettings(aGlobalPrintSettings);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
/* readonly attribute boolean doingPrint; */
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::GetDoingPrint(PRBool *aDoingPrint)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aDoingPrint);
|
|
*aDoingPrint = mIsDoingPrinting;
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
/* readonly attribute boolean doingPrintPreview; */
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::GetDoingPrintPreview(PRBool *aDoingPrintPreview)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aDoingPrintPreview);
|
|
*aDoingPrintPreview = mIsDoingPrintPreview;
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
/* readonly attribute nsIPrintSettings currentPrintSettings; */
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::GetCurrentPrintSettings(nsIPrintSettings * *aCurrentPrintSettings)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aCurrentPrintSettings);
|
|
|
|
if (mPrt) {
|
|
*aCurrentPrintSettings = mPrt->mPrintSettings;
|
|
|
|
} else if (mPrtPreview) {
|
|
*aCurrentPrintSettings = mPrtPreview->mPrintSettings;
|
|
|
|
} else {
|
|
*aCurrentPrintSettings = nsnull;
|
|
}
|
|
NS_IF_ADDREF(*aCurrentPrintSettings);
|
|
return NS_OK;
|
|
}
|
|
|
|
//-----------------------------------------------------------------
|
|
//-- Section: Pre-Reflow Methods
|
|
//-----------------------------------------------------------------
|
|
|
|
//---------------------------------------------------------------------
|
|
// This method checks to see if there is at least one printer defined
|
|
// and if so, it sets the first printer in the list as the default name
|
|
// in the PrintSettings which is then used for Printer Preview
|
|
nsresult
|
|
nsPrintEngine::CheckForPrinters(nsIPrintSettings* aPrintSettings)
|
|
{
|
|
#if defined(XP_MACOSX) || defined(ANDROID)
|
|
// Mac doesn't support retrieving a printer list.
|
|
return NS_OK;
|
|
#else
|
|
NS_ENSURE_ARG_POINTER(aPrintSettings);
|
|
|
|
// See if aPrintSettings already has a printer
|
|
nsXPIDLString printerName;
|
|
nsresult rv = aPrintSettings->GetPrinterName(getter_Copies(printerName));
|
|
if (NS_SUCCEEDED(rv) && !printerName.IsEmpty()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// aPrintSettings doesn't have a printer set. Try to fetch the default.
|
|
nsCOMPtr<nsIPrintSettingsService> printSettingsService =
|
|
do_GetService(sPrintSettingsServiceContractID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = printSettingsService->GetDefaultPrinterName(getter_Copies(printerName));
|
|
if (NS_SUCCEEDED(rv) && !printerName.IsEmpty()) {
|
|
rv = aPrintSettings->SetPrinterName(printerName.get());
|
|
}
|
|
return rv;
|
|
#endif
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// Set up to use the "pluggable" Print Progress Dialog
|
|
void
|
|
nsPrintEngine::ShowPrintProgress(PRBool aIsForPrinting, PRBool& aDoNotify)
|
|
{
|
|
// default to not notifying, that if something here goes wrong
|
|
// or we aren't going to show the progress dialog we can straight into
|
|
// reflowing the doc for printing.
|
|
aDoNotify = PR_FALSE;
|
|
|
|
// Assume we can't do progress and then see if we can
|
|
PRBool showProgresssDialog = PR_FALSE;
|
|
|
|
// if it is already being shown then don't bother to find out if it should be
|
|
// so skip this and leave mShowProgressDialog set to FALSE
|
|
if (!mProgressDialogIsShown) {
|
|
showProgresssDialog = Preferences::GetBool("print.show_print_progress");
|
|
}
|
|
|
|
// Turning off the showing of Print Progress in Prefs overrides
|
|
// whether the calling PS desire to have it on or off, so only check PS if
|
|
// prefs says it's ok to be on.
|
|
if (showProgresssDialog) {
|
|
mPrt->mPrintSettings->GetShowPrintProgress(&showProgresssDialog);
|
|
}
|
|
|
|
// Now open the service to get the progress dialog
|
|
// If we don't get a service, that's ok, then just don't show progress
|
|
if (showProgresssDialog) {
|
|
nsCOMPtr<nsIPrintingPromptService> printPromptService(do_GetService(kPrintingPromptService));
|
|
if (printPromptService) {
|
|
nsPIDOMWindow *domWin = mDocument->GetWindow();
|
|
if (!domWin) return;
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> docShellItem =
|
|
do_QueryInterface(domWin->GetDocShell());
|
|
if (!docShellItem) return;
|
|
nsCOMPtr<nsIDocShellTreeOwner> owner;
|
|
docShellItem->GetTreeOwner(getter_AddRefs(owner));
|
|
nsCOMPtr<nsIWebBrowserChrome> browserChrome = do_GetInterface(owner);
|
|
if (!browserChrome) return;
|
|
PRBool isModal = PR_TRUE;
|
|
browserChrome->IsWindowModal(&isModal);
|
|
if (isModal) {
|
|
// Showing a print progress dialog when printing a modal window
|
|
// isn't supported. See bug 301560.
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIWebProgressListener> printProgressListener;
|
|
|
|
nsCOMPtr<nsIWebBrowserPrint> wbp(do_QueryInterface(mDocViewerPrint));
|
|
nsresult rv = printPromptService->ShowProgress(domWin, wbp, mPrt->mPrintSettings, this, aIsForPrinting,
|
|
getter_AddRefs(printProgressListener),
|
|
getter_AddRefs(mPrt->mPrintProgressParams),
|
|
&aDoNotify);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (printProgressListener && mPrt->mPrintProgressParams) {
|
|
mPrt->mPrintProgressListeners.AppendObject(printProgressListener);
|
|
SetDocAndURLIntoProgress(mPrt->mPrintObject, mPrt->mPrintProgressParams);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
PRBool
|
|
nsPrintEngine::IsThereARangeSelection(nsIDOMWindow* aDOMWin)
|
|
{
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
if (aDOMWin) {
|
|
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(aDOMWin));
|
|
window->GetDocShell()->GetPresShell(getter_AddRefs(presShell));
|
|
}
|
|
|
|
if (!presShell)
|
|
return PR_FALSE;
|
|
|
|
// check here to see if there is a range selection
|
|
// so we know whether to turn on the "Selection" radio button
|
|
nsCOMPtr<nsISelection> selection;
|
|
selection = presShell->GetCurrentSelection(nsISelectionController::SELECTION_NORMAL);
|
|
if (selection) {
|
|
PRInt32 count;
|
|
selection->GetRangeCount(&count);
|
|
if (count == 1) {
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
if (NS_SUCCEEDED(selection->GetRangeAt(0, getter_AddRefs(range)))) {
|
|
// check to make sure it isn't an insertion selection
|
|
PRBool isCollapsed;
|
|
selection->GetIsCollapsed(&isCollapsed);
|
|
return !isCollapsed;
|
|
}
|
|
}
|
|
if (count > 1) return PR_TRUE;
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
PRBool
|
|
nsPrintEngine::IsParentAFrameSet(nsIDocShell * aParent)
|
|
{
|
|
// See if the incoming doc is the root document
|
|
nsCOMPtr<nsIDocShellTreeItem> parentAsItem(do_QueryInterface(aParent));
|
|
if (!parentAsItem) return PR_FALSE;
|
|
|
|
// When it is the top level document we need to check
|
|
// to see if it contains a frameset. If it does, then
|
|
// we only want to print the doc's children and not the document itself
|
|
// For anything else we always print all the children and the document
|
|
// for example, if the doc contains an IFRAME we eant to print the child
|
|
// document (the IFRAME) and then the rest of the document.
|
|
//
|
|
// XXX we really need to search the frame tree, and not the content
|
|
// but there is no way to distinguish between IFRAMEs and FRAMEs
|
|
// with the GetFrameType call.
|
|
// Bug 53459 has been files so we can eventually distinguish
|
|
// between IFRAME frames and FRAME frames
|
|
PRBool isFrameSet = PR_FALSE;
|
|
// only check to see if there is a frameset if there is
|
|
// NO parent doc for this doc. meaning this parent is the root doc
|
|
nsCOMPtr<nsIDOMDocument> domDoc = do_GetInterface(aParent);
|
|
nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
|
|
if (doc) {
|
|
nsIContent *rootElement = doc->GetRootElement();
|
|
if (rootElement) {
|
|
isFrameSet = HasFramesetChild(rootElement);
|
|
}
|
|
}
|
|
return isFrameSet;
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
// Recursively build a list of sub documents to be printed
|
|
// that mirrors the document tree
|
|
void
|
|
nsPrintEngine::BuildDocTree(nsIDocShellTreeNode * aParentNode,
|
|
nsTArray<nsPrintObject*> * aDocList,
|
|
nsPrintObject * aPO)
|
|
{
|
|
NS_ASSERTION(aParentNode, "Pointer is null!");
|
|
NS_ASSERTION(aDocList, "Pointer is null!");
|
|
NS_ASSERTION(aPO, "Pointer is null!");
|
|
|
|
PRInt32 childWebshellCount;
|
|
aParentNode->GetChildCount(&childWebshellCount);
|
|
if (childWebshellCount > 0) {
|
|
for (PRInt32 i=0;i<childWebshellCount;i++) {
|
|
nsCOMPtr<nsIDocShellTreeItem> child;
|
|
aParentNode->GetChildAt(i, getter_AddRefs(child));
|
|
nsCOMPtr<nsIDocShell> childAsShell(do_QueryInterface(child));
|
|
|
|
nsCOMPtr<nsIContentViewer> viewer;
|
|
childAsShell->GetContentViewer(getter_AddRefs(viewer));
|
|
if (viewer) {
|
|
nsCOMPtr<nsIContentViewerFile> viewerFile(do_QueryInterface(viewer));
|
|
if (viewerFile) {
|
|
nsCOMPtr<nsIDocShell> childDocShell(do_QueryInterface(child));
|
|
nsCOMPtr<nsIDocShellTreeNode> childNode(do_QueryInterface(child));
|
|
nsCOMPtr<nsIDOMDocument> doc = do_GetInterface(childDocShell);
|
|
nsPrintObject * po = new nsPrintObject();
|
|
po->mParent = aPO;
|
|
nsresult rv = po->Init(childDocShell, doc, aPO->mPrintPreview);
|
|
if (NS_FAILED(rv))
|
|
NS_NOTREACHED("Init failed?");
|
|
aPO->mKids.AppendElement(po);
|
|
aDocList->AppendElement(po);
|
|
BuildDocTree(childNode, aDocList, po);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
void
|
|
nsPrintEngine::GetDocumentTitleAndURL(nsIDocument* aDoc,
|
|
PRUnichar** aTitle,
|
|
PRUnichar** aURLStr)
|
|
{
|
|
NS_ASSERTION(aDoc, "Pointer is null!");
|
|
NS_ASSERTION(aTitle, "Pointer is null!");
|
|
NS_ASSERTION(aURLStr, "Pointer is null!");
|
|
|
|
*aTitle = nsnull;
|
|
*aURLStr = nsnull;
|
|
|
|
nsAutoString docTitle;
|
|
nsCOMPtr<nsIDOMNSDocument> doc = do_QueryInterface(aDoc);
|
|
doc->GetTitle(docTitle);
|
|
if (!docTitle.IsEmpty()) {
|
|
*aTitle = ToNewUnicode(docTitle);
|
|
}
|
|
|
|
nsIURI* url = aDoc->GetDocumentURI();
|
|
if (!url) return;
|
|
|
|
nsCOMPtr<nsIURIFixup> urifixup(do_GetService(NS_URIFIXUP_CONTRACTID));
|
|
if (!urifixup) return;
|
|
|
|
nsCOMPtr<nsIURI> exposableURI;
|
|
urifixup->CreateExposableURI(url, getter_AddRefs(exposableURI));
|
|
|
|
if (!exposableURI) return;
|
|
|
|
nsCAutoString urlCStr;
|
|
exposableURI->GetSpec(urlCStr);
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsITextToSubURI> textToSubURI =
|
|
do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv)) return;
|
|
|
|
nsAutoString unescapedURI;
|
|
rv = textToSubURI->UnEscapeURIForUI(NS_LITERAL_CSTRING("UTF-8"),
|
|
urlCStr, unescapedURI);
|
|
if (NS_FAILED(rv)) return;
|
|
|
|
*aURLStr = ToNewUnicode(unescapedURI);
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
// The walks the PO tree and for each document it walks the content
|
|
// tree looking for any content that are sub-shells
|
|
//
|
|
// It then sets the mContent pointer in the "found" PO object back to the
|
|
// the document that contained it.
|
|
void
|
|
nsPrintEngine::MapContentToWebShells(nsPrintObject* aRootPO,
|
|
nsPrintObject* aPO)
|
|
{
|
|
NS_ASSERTION(aRootPO, "Pointer is null!");
|
|
NS_ASSERTION(aPO, "Pointer is null!");
|
|
|
|
// Recursively walk the content from the root item
|
|
// XXX Would be faster to enumerate the subdocuments, although right now
|
|
// nsIDocument doesn't expose quite what would be needed.
|
|
nsCOMPtr<nsIContentViewer> viewer;
|
|
aPO->mDocShell->GetContentViewer(getter_AddRefs(viewer));
|
|
if (!viewer) return;
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
viewer->GetDOMDocument(getter_AddRefs(domDoc));
|
|
nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
|
|
if (!doc) return;
|
|
|
|
Element* rootElement = doc->GetRootElement();
|
|
if (rootElement) {
|
|
MapContentForPO(aPO, rootElement);
|
|
} else {
|
|
NS_WARNING("Null root content on (sub)document.");
|
|
}
|
|
|
|
// Continue recursively walking the chilren of this PO
|
|
for (PRUint32 i=0;i<aPO->mKids.Length();i++) {
|
|
MapContentToWebShells(aRootPO, aPO->mKids[i]);
|
|
}
|
|
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// A Frame's sub-doc may contain content or a FrameSet
|
|
// When it contains a FrameSet the mFrameType for the PrintObject
|
|
// is always set to an eFrame. Which is fine when printing "AsIs"
|
|
// but is incorrect when when printing "Each Frame Separately".
|
|
// When printing "Each Frame Separately" the Frame really acts like
|
|
// a frameset.
|
|
//
|
|
// This method walks the PO tree and checks to see if the PrintObject is
|
|
// an eFrame and has children that are eFrames (meaning it's a Frame containing a FrameSet)
|
|
// If so, then the mFrameType need to be changed to eFrameSet
|
|
//
|
|
// Also note: We only want to call this we are printing "Each Frame Separately"
|
|
// when printing "As Is" leave it as an eFrame
|
|
void
|
|
nsPrintEngine::CheckForChildFrameSets(nsPrintObject* aPO)
|
|
{
|
|
NS_ASSERTION(aPO, "Pointer is null!");
|
|
|
|
// Continue recursively walking the chilren of this PO
|
|
PRBool hasChildFrames = PR_FALSE;
|
|
for (PRUint32 i=0;i<aPO->mKids.Length();i++) {
|
|
nsPrintObject* po = aPO->mKids[i];
|
|
if (po->mFrameType == eFrame) {
|
|
hasChildFrames = PR_TRUE;
|
|
CheckForChildFrameSets(po);
|
|
}
|
|
}
|
|
|
|
if (hasChildFrames && aPO->mFrameType == eFrame) {
|
|
aPO->mFrameType = eFrameSet;
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
// This method is key to the entire print mechanism.
|
|
//
|
|
// This "maps" or figures out which sub-doc represents a
|
|
// given Frame or IFrame in its parent sub-doc.
|
|
//
|
|
// So the Mcontent pointer in the child sub-doc points to the
|
|
// content in the its parent document, that caused it to be printed.
|
|
// This is used later to (after reflow) to find the absolute location
|
|
// of the sub-doc on its parent's page frame so it can be
|
|
// printed in the correct location.
|
|
//
|
|
// This method recursvely "walks" the content for a document finding
|
|
// all the Frames and IFrames, then sets the "mFrameType" data member
|
|
// which tells us what type of PO we have
|
|
void
|
|
nsPrintEngine::MapContentForPO(nsPrintObject* aPO,
|
|
nsIContent* aContent)
|
|
{
|
|
NS_PRECONDITION(aPO && aContent, "Null argument");
|
|
|
|
nsIDocument* doc = aContent->GetDocument();
|
|
|
|
NS_ASSERTION(doc, "Content without a document from a document tree?");
|
|
|
|
nsIDocument* subDoc = doc->GetSubDocumentFor(aContent);
|
|
|
|
if (subDoc) {
|
|
nsCOMPtr<nsISupports> container = subDoc->GetContainer();
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(container));
|
|
|
|
if (docShell) {
|
|
nsPrintObject * po = nsnull;
|
|
PRInt32 cnt = aPO->mKids.Length();
|
|
for (PRInt32 i=0;i<cnt;i++) {
|
|
nsPrintObject* kid = aPO->mKids.ElementAt(i);
|
|
if (kid->mDocument == subDoc) {
|
|
po = kid;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// XXX If a subdocument has no onscreen presentation, there will be no PO
|
|
// This is even if there should be a print presentation
|
|
if (po) {
|
|
|
|
nsCOMPtr<nsIDOMHTMLFrameElement> frame(do_QueryInterface(aContent));
|
|
// "frame" elements not in a frameset context should be treated
|
|
// as iframes
|
|
if (frame && po->mParent->mFrameType == eFrameSet) {
|
|
po->mFrameType = eFrame;
|
|
} else {
|
|
// Assume something iframe-like, i.e. iframe, object, or embed
|
|
po->mFrameType = eIFrame;
|
|
SetPrintAsIs(po, PR_TRUE);
|
|
NS_ASSERTION(po->mParent, "The root must be a parent");
|
|
po->mParent->mPrintAsIs = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// walk children content
|
|
PRUint32 count = aContent->GetChildCount();
|
|
for (PRUint32 i = 0; i < count; ++i) {
|
|
nsIContent *child = aContent->GetChildAt(i);
|
|
MapContentForPO(aPO, child);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
PRBool
|
|
nsPrintEngine::IsThereAnIFrameSelected(nsIDocShell* aDocShell,
|
|
nsIDOMWindow* aDOMWin,
|
|
PRPackedBool& aIsParentFrameSet)
|
|
{
|
|
aIsParentFrameSet = IsParentAFrameSet(aDocShell);
|
|
PRBool iFrameIsSelected = PR_FALSE;
|
|
if (mPrt && mPrt->mPrintObject) {
|
|
nsPrintObject* po = FindPrintObjectByDOMWin(mPrt->mPrintObject, aDOMWin);
|
|
iFrameIsSelected = po && po->mFrameType == eIFrame;
|
|
} else {
|
|
// First, check to see if we are a frameset
|
|
if (!aIsParentFrameSet) {
|
|
// Check to see if there is a currenlt focused frame
|
|
// if so, it means the selected frame is either the main docshell
|
|
// or an IFRAME
|
|
if (aDOMWin) {
|
|
// Get the main docshell's DOMWin to see if it matches
|
|
// the frame that is selected
|
|
nsCOMPtr<nsIDOMWindow> domWin = do_GetInterface(aDocShell);
|
|
if (domWin != aDOMWin) {
|
|
iFrameIsSelected = PR_TRUE; // we have a selected IFRAME
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return iFrameIsSelected;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
// Recursively sets all the PO items to be printed
|
|
// from the given item down into the tree
|
|
void
|
|
nsPrintEngine::SetPrintPO(nsPrintObject* aPO, PRBool aPrint)
|
|
{
|
|
NS_ASSERTION(aPO, "Pointer is null!");
|
|
|
|
// Set whether to print flag
|
|
aPO->mDontPrint = !aPrint;
|
|
|
|
for (PRUint32 i=0;i<aPO->mKids.Length();i++) {
|
|
SetPrintPO(aPO->mKids[i], aPrint);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
// This will first use a Title and/or URL from the PrintSettings
|
|
// if one isn't set then it uses the one from the document
|
|
// then if not title is there we will make sure we send something back
|
|
// depending on the situation.
|
|
void
|
|
nsPrintEngine::GetDisplayTitleAndURL(nsPrintObject* aPO,
|
|
PRUnichar** aTitle,
|
|
PRUnichar** aURLStr,
|
|
eDocTitleDefault aDefType)
|
|
{
|
|
NS_ASSERTION(aPO, "Pointer is null!");
|
|
NS_ASSERTION(aTitle, "Pointer is null!");
|
|
NS_ASSERTION(aURLStr, "Pointer is null!");
|
|
|
|
*aTitle = nsnull;
|
|
*aURLStr = nsnull;
|
|
|
|
if (!mPrt)
|
|
return;
|
|
|
|
// First check to see if the PrintSettings has defined an alternate title
|
|
// and use that if it did
|
|
PRUnichar * docTitleStrPS = nsnull;
|
|
PRUnichar * docURLStrPS = nsnull;
|
|
if (mPrt->mPrintSettings) {
|
|
mPrt->mPrintSettings->GetTitle(&docTitleStrPS);
|
|
mPrt->mPrintSettings->GetDocURL(&docURLStrPS);
|
|
|
|
if (docTitleStrPS && *docTitleStrPS) {
|
|
*aTitle = docTitleStrPS;
|
|
}
|
|
|
|
if (docURLStrPS && *docURLStrPS) {
|
|
*aURLStr = docURLStrPS;
|
|
}
|
|
|
|
// short circut
|
|
if (docTitleStrPS && docURLStrPS) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
PRUnichar* docTitle;
|
|
PRUnichar* docUrl;
|
|
GetDocumentTitleAndURL(aPO->mDocument, &docTitle, &docUrl);
|
|
|
|
if (docUrl) {
|
|
if (!docURLStrPS)
|
|
*aURLStr = docUrl;
|
|
else
|
|
nsMemory::Free(docUrl);
|
|
}
|
|
|
|
if (docTitle) {
|
|
if (!docTitleStrPS)
|
|
*aTitle = docTitle;
|
|
else
|
|
nsMemory::Free(docTitle);
|
|
} else if (!docTitleStrPS) {
|
|
switch (aDefType) {
|
|
case eDocTitleDefBlank: *aTitle = ToNewUnicode(EmptyString());
|
|
break;
|
|
|
|
case eDocTitleDefURLDoc:
|
|
if (*aURLStr) {
|
|
*aTitle = NS_strdup(*aURLStr);
|
|
} else if (mPrt->mBrandName) {
|
|
*aTitle = NS_strdup(mPrt->mBrandName);
|
|
}
|
|
break;
|
|
case eDocTitleDefNone:
|
|
// *aTitle defaults to nsnull
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
nsresult nsPrintEngine::DocumentReadyForPrinting()
|
|
{
|
|
if (mPrt->mPrintFrameType == nsIPrintSettings::kEachFrameSep) {
|
|
CheckForChildFrameSets(mPrt->mPrintObject);
|
|
}
|
|
|
|
//
|
|
// Send the document to the printer...
|
|
//
|
|
nsresult rv = SetupToPrintContent();
|
|
if (NS_FAILED(rv)) {
|
|
// The print job was canceled or there was a problem
|
|
// So remove all other documents from the print list
|
|
DonePrintingPages(nsnull, rv);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
/** ---------------------------------------------------
|
|
* Cleans up when an error occurred
|
|
*/
|
|
nsresult nsPrintEngine::CleanupOnFailure(nsresult aResult, PRBool aIsPrinting)
|
|
{
|
|
PR_PL(("**** Failed %s - rv 0x%X", aIsPrinting?"Printing":"Print Preview", aResult));
|
|
|
|
/* cleanup... */
|
|
if (mPagePrintTimer) {
|
|
mPagePrintTimer->Stop();
|
|
NS_RELEASE(mPagePrintTimer);
|
|
}
|
|
|
|
if (aIsPrinting) {
|
|
SetIsPrinting(PR_FALSE);
|
|
} else {
|
|
SetIsPrintPreview(PR_FALSE);
|
|
SetIsCreatingPrintPreview(PR_FALSE);
|
|
}
|
|
|
|
/* cleanup done, let's fire-up an error dialog to notify the user
|
|
* what went wrong...
|
|
*
|
|
* When rv == NS_ERROR_ABORT, it means we want out of the
|
|
* print job without displaying any error messages
|
|
*/
|
|
if (aResult != NS_ERROR_ABORT) {
|
|
ShowPrintErrorDialog(aResult, aIsPrinting);
|
|
}
|
|
|
|
FirePrintCompletionEvent();
|
|
|
|
return aResult;
|
|
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
void
|
|
nsPrintEngine::ShowPrintErrorDialog(nsresult aPrintError, PRBool aIsPrinting)
|
|
{
|
|
|
|
PR_PL(("nsPrintEngine::ShowPrintErrorDialog(nsresult aPrintError=%lx, PRBool aIsPrinting=%d)\n", (long)aPrintError, (int)aIsPrinting));
|
|
|
|
nsCAutoString stringName;
|
|
|
|
switch(aPrintError)
|
|
{
|
|
#define NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(nserr) case nserr: stringName.AssignLiteral(#nserr); break;
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_CMD_NOT_FOUND)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_CMD_FAILURE)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_NO_PRINTER_AVAILABLE)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_NAME_NOT_FOUND)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_ACCESS_DENIED)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_INVALID_ATTRIBUTE)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PRINTER_NOT_READY)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_OUT_OF_PAPER)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PRINTER_IO_ERROR)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_COULD_NOT_OPEN_FILE)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_FILE_IO_ERROR)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PRINTPREVIEW)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_UNEXPECTED)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_OUT_OF_MEMORY)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_NOT_IMPLEMENTED)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_NOT_AVAILABLE)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_ABORT)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_STARTDOC)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_ENDDOC)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_STARTPAGE)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_ENDPAGE)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PRINT_WHILE_PREVIEW)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PAPER_SIZE_NOT_SUPPORTED)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_ORIENTATION_NOT_SUPPORTED)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_COLORSPACE_NOT_SUPPORTED)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_TOO_MANY_COPIES)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_DRIVER_CONFIGURATION_ERROR)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_DOC_IS_BUSY_PP)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_DOC_WAS_DESTORYED)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_NO_PRINTDIALOG_IN_TOOLKIT)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_NO_PRINTROMPTSERVICE)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_NO_XUL) // Temporary code for Bug 136185 / bug 240490
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PLEX_NOT_SUPPORTED)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_DOC_IS_BUSY)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTING_NOT_IMPLEMENTED)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_COULD_NOT_LOAD_PRINT_MODULE)
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_RESOLUTION_NOT_SUPPORTED)
|
|
|
|
default:
|
|
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_FAILURE)
|
|
#undef NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG
|
|
}
|
|
|
|
PR_PL(("ShowPrintErrorDialog: stringName='%s'\n", stringName.get()));
|
|
|
|
nsXPIDLString msg, title;
|
|
nsresult rv =
|
|
nsContentUtils::GetLocalizedString(nsContentUtils::ePRINTING_PROPERTIES,
|
|
stringName.get(), msg);
|
|
if (NS_FAILED(rv)) {
|
|
PR_PL(("GetLocalizedString failed\n"));
|
|
return;
|
|
}
|
|
|
|
rv = nsContentUtils::GetLocalizedString(nsContentUtils::ePRINTING_PROPERTIES,
|
|
aIsPrinting ? "print_error_dialog_title"
|
|
: "printpreview_error_dialog_title",
|
|
title);
|
|
|
|
nsCOMPtr<nsIWindowWatcher> wwatch = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv)) {
|
|
PR_PL(("ShowPrintErrorDialog(): wwatch==nsnull\n"));
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMWindow> active;
|
|
wwatch->GetActiveWindow(getter_AddRefs(active));
|
|
|
|
nsCOMPtr<nsIPrompt> dialog;
|
|
/* |GetNewPrompter| allows that |active| is |nsnull|
|
|
* (see bug 234982 ("nsPrintEngine::ShowPrintErrorDialog() fails in many cases")) */
|
|
wwatch->GetNewPrompter(active, getter_AddRefs(dialog));
|
|
if (!dialog) {
|
|
PR_PL(("ShowPrintErrorDialog(): dialog==nsnull\n"));
|
|
return;
|
|
}
|
|
|
|
dialog->Alert(title.get(), msg.get());
|
|
PR_PL(("ShowPrintErrorDialog(): alert displayed successfully.\n"));
|
|
}
|
|
|
|
//-----------------------------------------------------------------
|
|
//-- Section: Reflow Methods
|
|
//-----------------------------------------------------------------
|
|
|
|
//-------------------------------------------------------
|
|
nsresult
|
|
nsPrintEngine::SetupToPrintContent()
|
|
{
|
|
// In this step we figure out which documents should be printed
|
|
// i.e. if we are printing the selection then only enable that nsPrintObject
|
|
// for printing
|
|
if (NS_FAILED(EnablePOsForPrinting())) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
DUMP_DOC_LIST("\nAfter Enable------------------------------------------");
|
|
|
|
// This is an Optimization
|
|
// If we are in PP then we already know all the shrinkage information
|
|
// so just transfer it to the PrintData and we will skip the extra shrinkage reflow
|
|
//
|
|
// doSetPixelScale tells Reflow whether to set the shrinkage value into the DC
|
|
// The first time we do not want to do this, the second time through we do
|
|
PRBool doSetPixelScale = PR_FALSE;
|
|
PRBool ppIsShrinkToFit = mPrtPreview && mPrtPreview->mShrinkToFit;
|
|
if (ppIsShrinkToFit) {
|
|
mPrt->mShrinkRatio = mPrtPreview->mShrinkRatio;
|
|
doSetPixelScale = PR_TRUE;
|
|
}
|
|
|
|
// Here we reflow all the PrintObjects
|
|
nsresult rv = ReflowDocList(mPrt->mPrintObject, doSetPixelScale);
|
|
if (NS_FAILED(rv)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Here is where we do the extra reflow for shrinking the content
|
|
// But skip this step if we are in PrintPreview
|
|
if (mPrt->mShrinkToFit && !ppIsShrinkToFit) {
|
|
// Now look for the PO that has the smallest percent for shrink to fit
|
|
if (mPrt->mPrintDocList.Length() > 1 && mPrt->mPrintObject->mFrameType == eFrameSet) {
|
|
nsPrintObject* smallestPO = FindSmallestSTF();
|
|
NS_ASSERTION(smallestPO, "There must always be an XMost PO!");
|
|
if (smallestPO) {
|
|
// Calc the shrinkage based on the entire content area
|
|
mPrt->mShrinkRatio = smallestPO->mShrinkRatio;
|
|
}
|
|
} else {
|
|
// Single document so use the Shrink as calculated for the PO
|
|
mPrt->mShrinkRatio = mPrt->mPrintObject->mShrinkRatio;
|
|
}
|
|
|
|
// Only Shrink if we are smaller
|
|
if (mPrt->mShrinkRatio < 0.998f) {
|
|
// Clamp Shrink to Fit to 60%
|
|
mPrt->mShrinkRatio = NS_MAX(mPrt->mShrinkRatio, 0.60f);
|
|
|
|
for (PRUint32 i=0;i<mPrt->mPrintDocList.Length();i++) {
|
|
nsPrintObject* po = mPrt->mPrintDocList.ElementAt(i);
|
|
NS_ASSERTION(po, "nsPrintObject can't be null!");
|
|
// Wipe out the presentation before we reflow
|
|
po->DestroyPresentation();
|
|
}
|
|
|
|
#if (defined(XP_WIN) || defined(XP_OS2)) && defined(EXTENDED_DEBUG_PRINTING)
|
|
// We need to clear all the output files here
|
|
// because they will be re-created with second reflow of the docs
|
|
if (kPrintingLogMod && kPrintingLogMod->level == DUMP_LAYOUT_LEVEL) {
|
|
RemoveFilesInDir(".\\");
|
|
gDumpFileNameCnt = 0;
|
|
gDumpLOFileNameCnt = 0;
|
|
}
|
|
#endif
|
|
|
|
// Here we reflow all the PrintObjects a second time
|
|
// this time using the shrinkage values
|
|
// The last param here tells reflow to NOT calc the shrinkage values
|
|
if (NS_FAILED(ReflowDocList(mPrt->mPrintObject, PR_TRUE))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
|
|
#ifdef PR_LOGGING
|
|
{
|
|
float calcRatio = 0.0f;
|
|
if (mPrt->mPrintDocList.Length() > 1 && mPrt->mPrintObject->mFrameType == eFrameSet) {
|
|
nsPrintObject* smallestPO = FindSmallestSTF();
|
|
NS_ASSERTION(smallestPO, "There must always be an XMost PO!");
|
|
if (smallestPO) {
|
|
// Calc the shrinkage based on the entire content area
|
|
calcRatio = smallestPO->mShrinkRatio;
|
|
}
|
|
} else {
|
|
// Single document so use the Shrink as calculated for the PO
|
|
calcRatio = mPrt->mPrintObject->mShrinkRatio;
|
|
}
|
|
PR_PL(("**************************************************************************\n"));
|
|
PR_PL(("STF Ratio is: %8.5f Effective Ratio: %8.5f Diff: %8.5f\n", mPrt->mShrinkRatio, calcRatio, mPrt->mShrinkRatio-calcRatio));
|
|
PR_PL(("**************************************************************************\n"));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
DUMP_DOC_LIST(("\nAfter Reflow------------------------------------------"));
|
|
PR_PL(("\n"));
|
|
PR_PL(("-------------------------------------------------------\n"));
|
|
PR_PL(("\n"));
|
|
|
|
CalcNumPrintablePages(mPrt->mNumPrintablePages);
|
|
|
|
PR_PL(("--- Printing %d pages\n", mPrt->mNumPrintablePages));
|
|
DUMP_DOC_TREELAYOUT;
|
|
|
|
// Print listener setup...
|
|
if (mPrt != nsnull) {
|
|
mPrt->OnStartPrinting();
|
|
}
|
|
|
|
PRUnichar* fileName = nsnull;
|
|
// check to see if we are printing to a file
|
|
PRBool isPrintToFile = PR_FALSE;
|
|
mPrt->mPrintSettings->GetPrintToFile(&isPrintToFile);
|
|
if (isPrintToFile) {
|
|
// On some platforms The BeginDocument needs to know the name of the file
|
|
// and it uses the PrintService to get it, so we need to set it into the PrintService here
|
|
mPrt->mPrintSettings->GetToFileName(&fileName);
|
|
}
|
|
|
|
PRUnichar * docTitleStr;
|
|
PRUnichar * docURLStr;
|
|
GetDisplayTitleAndURL(mPrt->mPrintObject, &docTitleStr, &docURLStr, eDocTitleDefURLDoc);
|
|
|
|
PRInt32 startPage = 1;
|
|
PRInt32 endPage = mPrt->mNumPrintablePages;
|
|
|
|
PRInt16 printRangeType = nsIPrintSettings::kRangeAllPages;
|
|
mPrt->mPrintSettings->GetPrintRange(&printRangeType);
|
|
if (printRangeType == nsIPrintSettings::kRangeSpecifiedPageRange) {
|
|
mPrt->mPrintSettings->GetStartPageRange(&startPage);
|
|
mPrt->mPrintSettings->GetEndPageRange(&endPage);
|
|
if (endPage > mPrt->mNumPrintablePages) {
|
|
endPage = mPrt->mNumPrintablePages;
|
|
}
|
|
}
|
|
|
|
rv = NS_OK;
|
|
// BeginDocument may pass back a FAILURE code
|
|
// i.e. On Windows, if you are printing to a file and hit "Cancel"
|
|
// to the "File Name" dialog, this comes back as an error
|
|
// Don't start printing when regression test are executed
|
|
if (!mPrt->mDebugFilePtr && mIsDoingPrinting) {
|
|
rv = mPrt->mPrintDC->BeginDocument(docTitleStr, fileName, startPage, endPage);
|
|
}
|
|
|
|
if (mIsCreatingPrintPreview) {
|
|
// Print Preview -- Pass ownership of docTitleStr and docURLStr
|
|
// to the pageSequenceFrame, to be displayed in the header
|
|
nsIPageSequenceFrame *seqFrame = mPrt->mPrintObject->mPresShell->GetPageSequenceFrame();
|
|
if (seqFrame) {
|
|
seqFrame->StartPrint(mPrt->mPrintObject->mPresContext,
|
|
mPrt->mPrintSettings, docTitleStr, docURLStr);
|
|
docTitleStr = nsnull;
|
|
docURLStr = nsnull;
|
|
}
|
|
}
|
|
if (docTitleStr) nsMemory::Free(docTitleStr);
|
|
if (docURLStr) nsMemory::Free(docURLStr);
|
|
|
|
PR_PL(("****************** Begin Document ************************\n"));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// This will print the docshell document
|
|
// when it completes asynchronously in the DonePrintingPages method
|
|
// it will check to see if there are more docshells to be printed and
|
|
// then PrintDocContent will be called again.
|
|
|
|
if (mIsDoingPrinting) {
|
|
PrintDocContent(mPrt->mPrintObject, rv); // ignore return value
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// Recursively reflow each sub-doc and then calc
|
|
// all the frame locations of the sub-docs
|
|
nsresult
|
|
nsPrintEngine::ReflowDocList(nsPrintObject* aPO, PRBool aSetPixelScale)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aPO);
|
|
|
|
// Check to see if the subdocument's element has been hidden by the parent document
|
|
if (aPO->mParent && aPO->mParent->mPresShell) {
|
|
nsIFrame * frame = aPO->mContent->GetPrimaryFrame();
|
|
if (frame) {
|
|
if (!frame->GetStyleVisibility()->IsVisible()) {
|
|
aPO->mDontPrint = PR_TRUE;
|
|
aPO->mInvisible = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Here is where we set the shrinkage value into the DC
|
|
// and this is what actually makes it shrink
|
|
if (aSetPixelScale && aPO->mFrameType != eIFrame) {
|
|
float ratio;
|
|
if (mPrt->mPrintFrameType == nsIPrintSettings::kFramesAsIs || mPrt->mPrintFrameType == nsIPrintSettings::kNoFrames) {
|
|
ratio = mPrt->mShrinkRatio - 0.005f; // round down
|
|
} else {
|
|
ratio = aPO->mShrinkRatio - 0.005f; // round down
|
|
}
|
|
aPO->mZoomRatio = ratio;
|
|
} else if (!mPrt->mShrinkToFit) {
|
|
double scaling;
|
|
mPrt->mPrintSettings->GetScaling(&scaling);
|
|
aPO->mZoomRatio = float(scaling);
|
|
}
|
|
|
|
nsresult rv;
|
|
// Reflow the PO
|
|
rv = ReflowPrintObject(aPO);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
PRInt32 cnt = aPO->mKids.Length();
|
|
for (PRInt32 i=0;i<cnt;i++) {
|
|
rv = ReflowDocList(aPO->mKids[i], aSetPixelScale);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// Reflow a nsPrintObject
|
|
nsresult
|
|
nsPrintEngine::ReflowPrintObject(nsPrintObject * aPO)
|
|
{
|
|
NS_ASSERTION(aPO, "Pointer is null!");
|
|
if (!aPO) return NS_ERROR_FAILURE;
|
|
|
|
nsSize adjSize;
|
|
PRBool documentIsTopLevel;
|
|
if (!aPO->IsPrintable())
|
|
return NS_OK;
|
|
|
|
PRBool canCreateScrollbars = PR_TRUE;
|
|
nsIView* parentView = nsnull;
|
|
|
|
if (aPO->mParent && aPO->mParent->IsPrintable()) {
|
|
nsIFrame* frame = aPO->mContent->GetPrimaryFrame();
|
|
// Without a frame, this document can't be displayed; therefore, there is no
|
|
// point to reflowing it
|
|
if (!frame) {
|
|
SetPrintPO(aPO, PR_FALSE);
|
|
return NS_OK;
|
|
}
|
|
|
|
//XXX If printing supported printing document hierarchies with non-constant
|
|
// zoom this would be wrong as we use the same mPrt->mPrintDC for all
|
|
// subdocuments.
|
|
adjSize = frame->GetContentRect().Size();
|
|
documentIsTopLevel = PR_FALSE;
|
|
// presshell exists because parent is printable
|
|
|
|
// the top nsPrintObject's widget will always have scrollbars
|
|
if (frame && frame->GetType() == nsGkAtoms::subDocumentFrame) {
|
|
nsIView* view = frame->GetView();
|
|
NS_ENSURE_TRUE(view, NS_ERROR_FAILURE);
|
|
view = view->GetFirstChild();
|
|
NS_ENSURE_TRUE(view, NS_ERROR_FAILURE);
|
|
parentView = view;
|
|
canCreateScrollbars = PR_FALSE;
|
|
}
|
|
} else {
|
|
nscoord pageWidth, pageHeight;
|
|
mPrt->mPrintDC->GetDeviceSurfaceDimensions(pageWidth, pageHeight);
|
|
#if defined(XP_UNIX) && !defined(XP_MACOSX)
|
|
// If we're in landscape mode on Linux, the device surface will have
|
|
// been rotated, so for the purposes of reflowing content, we'll
|
|
// treat device's height as our width and its width as our height,
|
|
PRInt32 orientation;
|
|
mPrt->mPrintSettings->GetOrientation(&orientation);
|
|
if (nsIPrintSettings::kLandscapeOrientation == orientation) {
|
|
adjSize = nsSize(pageHeight, pageWidth);
|
|
} else {
|
|
adjSize = nsSize(pageWidth, pageHeight);
|
|
}
|
|
#else
|
|
adjSize = nsSize(pageWidth, pageHeight);
|
|
#endif // XP_UNIX && !XP_MACOSX
|
|
documentIsTopLevel = PR_TRUE;
|
|
|
|
if (mIsCreatingPrintPreview) {
|
|
nsCOMPtr<nsIDocumentViewer> dv = do_QueryInterface(mDocViewerPrint);
|
|
if (dv) {
|
|
parentView = dv->FindContainerView();
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_ASSERTION(!aPO->mPresContext, "Recreating prescontext");
|
|
|
|
// create the PresContext
|
|
aPO->mPresContext = new nsPresContext(aPO->mDocument,
|
|
mIsCreatingPrintPreview ? nsPresContext::eContext_PrintPreview:
|
|
nsPresContext::eContext_Print);
|
|
NS_ENSURE_TRUE(aPO->mPresContext, NS_ERROR_OUT_OF_MEMORY);
|
|
aPO->mPresContext->SetPrintSettings(mPrt->mPrintSettings);
|
|
|
|
// set the presentation context to the value in the print settings
|
|
PRBool printBGColors;
|
|
mPrt->mPrintSettings->GetPrintBGColors(&printBGColors);
|
|
aPO->mPresContext->SetBackgroundColorDraw(printBGColors);
|
|
mPrt->mPrintSettings->GetPrintBGImages(&printBGColors);
|
|
aPO->mPresContext->SetBackgroundImageDraw(printBGColors);
|
|
|
|
// init it with the DC
|
|
nsresult rv = aPO->mPresContext->Init(mPrt->mPrintDC);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
aPO->mViewManager = do_CreateInstance(kViewManagerCID, &rv);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
|
|
rv = aPO->mViewManager->Init(mPrt->mPrintDC);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
|
|
nsStyleSet* styleSet;
|
|
rv = mDocViewerPrint->CreateStyleSet(aPO->mDocument, &styleSet);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = aPO->mDocument->CreateShell(aPO->mPresContext, aPO->mViewManager,
|
|
styleSet, getter_AddRefs(aPO->mPresShell));
|
|
if (NS_FAILED(rv)) {
|
|
delete styleSet;
|
|
return rv;
|
|
}
|
|
|
|
styleSet->EndUpdate();
|
|
|
|
// The pres shell now owns the style set object.
|
|
|
|
PR_PL(("In DV::ReflowPrintObject PO: %p (%9s) Setting w,h to %d,%d\n", aPO,
|
|
gFrameTypesStr[aPO->mFrameType], adjSize.width, adjSize.height));
|
|
|
|
// Create a child window of the parent that is our "root view/window"
|
|
nsRect tbounds = nsRect(nsPoint(0, 0), adjSize);
|
|
nsIView* rootView = aPO->mViewManager->CreateView(tbounds, parentView);
|
|
NS_ENSURE_TRUE(rootView, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
if (mIsCreatingPrintPreview && documentIsTopLevel) {
|
|
aPO->mPresContext->SetPaginatedScrolling(canCreateScrollbars);
|
|
}
|
|
|
|
// Setup hierarchical relationship in view manager
|
|
aPO->mViewManager->SetRootView(rootView);
|
|
|
|
// This docshell stuff is weird; will go away when we stop having multiple
|
|
// presentations per document
|
|
nsCOMPtr<nsISupports> supps(do_QueryInterface(aPO->mDocShell));
|
|
aPO->mPresContext->SetContainer(supps);
|
|
|
|
aPO->mPresShell->BeginObservingDocument();
|
|
|
|
aPO->mPresContext->SetPageSize(adjSize);
|
|
aPO->mPresContext->SetIsRootPaginatedDocument(documentIsTopLevel);
|
|
aPO->mPresContext->SetPageScale(aPO->mZoomRatio);
|
|
// Calculate scale factor from printer to screen
|
|
float printDPI = float(mPrt->mPrintDC->AppUnitsPerCSSInch()) /
|
|
float(mPrt->mPrintDC->AppUnitsPerDevPixel());
|
|
aPO->mPresContext->SetPrintPreviewScale(mScreenDPI / printDPI);
|
|
|
|
if (mIsCreatingPrintPreview && documentIsTopLevel) {
|
|
mDocViewerPrint->SetPrintPreviewPresentation(aPO->mViewManager,
|
|
aPO->mPresContext,
|
|
aPO->mPresShell);
|
|
}
|
|
|
|
rv = aPO->mPresShell->InitialReflow(adjSize.width, adjSize.height);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ASSERTION(aPO->mPresShell, "Presshell should still be here");
|
|
|
|
// Process the reflow event InitialReflow posted
|
|
aPO->mPresShell->FlushPendingNotifications(Flush_Layout);
|
|
|
|
nsCOMPtr<nsIPresShell> displayShell;
|
|
aPO->mDocShell->GetPresShell(getter_AddRefs(displayShell));
|
|
// Transfer Selection Ranges to the new Print PresShell
|
|
nsCOMPtr<nsISelection> selection, selectionPS;
|
|
// It's okay if there is no display shell, just skip copying the selection
|
|
if (displayShell) {
|
|
selection = displayShell->GetCurrentSelection(nsISelectionController::SELECTION_NORMAL);
|
|
}
|
|
selectionPS = aPO->mPresShell->GetCurrentSelection(nsISelectionController::SELECTION_NORMAL);
|
|
if (selection && selectionPS) {
|
|
PRInt32 cnt;
|
|
selection->GetRangeCount(&cnt);
|
|
PRInt32 inx;
|
|
for (inx=0;inx<cnt;inx++) {
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
if (NS_SUCCEEDED(selection->GetRangeAt(inx, getter_AddRefs(range))))
|
|
selectionPS->AddRange(range);
|
|
}
|
|
}
|
|
|
|
// If we are trying to shrink the contents to fit on the page
|
|
// we must first locate the "pageContent" frame
|
|
// Then we walk the frame tree and look for the "xmost" frame
|
|
// this is the frame where the right-hand side of the frame extends
|
|
// the furthest
|
|
if (mPrt->mShrinkToFit && documentIsTopLevel) {
|
|
nsIPageSequenceFrame* pageSequence = aPO->mPresShell->GetPageSequenceFrame();
|
|
NS_ENSURE_STATE(pageSequence);
|
|
pageSequence->GetSTFPercent(aPO->mShrinkRatio);
|
|
}
|
|
|
|
#ifdef EXTENDED_DEBUG_PRINTING
|
|
if (kPrintingLogMod && kPrintingLogMod->level == DUMP_LAYOUT_LEVEL) {
|
|
char * docStr;
|
|
char * urlStr;
|
|
GetDocTitleAndURL(aPO, docStr, urlStr);
|
|
char filename[256];
|
|
sprintf(filename, "print_dump_%d.txt", gDumpFileNameCnt++);
|
|
// Dump all the frames and view to a a file
|
|
FILE * fd = fopen(filename, "w");
|
|
if (fd) {
|
|
nsIFrame *theRootFrame =
|
|
aPO->mPresShell->FrameManager()->GetRootFrame();
|
|
fprintf(fd, "Title: %s\n", docStr?docStr:"");
|
|
fprintf(fd, "URL: %s\n", urlStr?urlStr:"");
|
|
fprintf(fd, "--------------- Frames ----------------\n");
|
|
nsRefPtr<nsRenderingContext> renderingContext;
|
|
mPrt->mPrintDocDC->CreateRenderingContext(*getter_AddRefs(renderingContext));
|
|
RootFrameList(aPO->mPresContext, fd, 0);
|
|
//DumpFrames(fd, aPO->mPresContext, renderingContext, theRootFrame, 0);
|
|
fprintf(fd, "---------------------------------------\n\n");
|
|
fprintf(fd, "--------------- Views From Root Frame----------------\n");
|
|
nsIView* v = theRootFrame->GetView();
|
|
if (v) {
|
|
v->List(fd);
|
|
} else {
|
|
printf("View is null!\n");
|
|
}
|
|
if (docShell) {
|
|
fprintf(fd, "--------------- All Views ----------------\n");
|
|
DumpViews(docShell, fd);
|
|
fprintf(fd, "---------------------------------------\n\n");
|
|
}
|
|
fclose(fd);
|
|
}
|
|
if (docStr) nsMemory::Free(docStr);
|
|
if (urlStr) nsMemory::Free(urlStr);
|
|
}
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// Figure out how many documents and how many total pages we are printing
|
|
void
|
|
nsPrintEngine::CalcNumPrintablePages(PRInt32& aNumPages)
|
|
{
|
|
aNumPages = 0;
|
|
// Count the number of printable documents
|
|
// and printable pages
|
|
for (PRUint32 i=0; i<mPrt->mPrintDocList.Length(); i++) {
|
|
nsPrintObject* po = mPrt->mPrintDocList.ElementAt(i);
|
|
NS_ASSERTION(po, "nsPrintObject can't be null!");
|
|
if (po->mPresContext && po->mPresContext->IsRootPaginatedDocument()) {
|
|
nsIPageSequenceFrame* pageSequence = po->mPresShell->GetPageSequenceFrame();
|
|
nsIFrame * seqFrame = do_QueryFrame(pageSequence);
|
|
if (seqFrame) {
|
|
nsIFrame* frame = seqFrame->GetFirstChild(nsnull);
|
|
while (frame) {
|
|
aNumPages++;
|
|
frame = frame->GetNextSibling();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//-----------------------------------------------------------------
|
|
//-- Done: Reflow Methods
|
|
//-----------------------------------------------------------------
|
|
|
|
//-----------------------------------------------------------------
|
|
//-- Section: Printing Methods
|
|
//-----------------------------------------------------------------
|
|
|
|
//-------------------------------------------------------
|
|
// Called for each DocShell that needs to be printed
|
|
PRBool
|
|
nsPrintEngine::PrintDocContent(nsPrintObject* aPO, nsresult& aStatus)
|
|
{
|
|
NS_ASSERTION(aPO, "Pointer is null!");
|
|
aStatus = NS_OK;
|
|
|
|
if (!aPO->mHasBeenPrinted && aPO->IsPrintable()) {
|
|
aStatus = DoPrint(aPO);
|
|
return PR_TRUE;
|
|
}
|
|
|
|
// If |aPO->mPrintAsIs| and |aPO->mHasBeenPrinted| are true,
|
|
// the kids frames are already processed in |PrintPage|.
|
|
if (!aPO->mInvisible && !(aPO->mPrintAsIs && aPO->mHasBeenPrinted)) {
|
|
for (PRUint32 i=0;i<aPO->mKids.Length();i++) {
|
|
nsPrintObject* po = aPO->mKids[i];
|
|
PRBool printed = PrintDocContent(po, aStatus);
|
|
if (printed || NS_FAILED(aStatus)) {
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
static already_AddRefed<nsIDOMNode>
|
|
GetEqualNodeInCloneTree(nsIDOMNode* aNode, nsIDocument* aDoc)
|
|
{
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(aNode);
|
|
// Selections in anonymous subtrees aren't supported.
|
|
if (content && content->IsInAnonymousSubtree()) {
|
|
return nsnull;
|
|
}
|
|
|
|
nsCOMPtr<nsINode> node = do_QueryInterface(aNode);
|
|
NS_ENSURE_TRUE(node, nsnull);
|
|
|
|
nsTArray<PRInt32> indexArray;
|
|
nsINode* current = node;
|
|
NS_ENSURE_TRUE(current, nsnull);
|
|
while (current) {
|
|
nsINode* parent = current->GetNodeParent();
|
|
if (!parent) {
|
|
break;
|
|
}
|
|
PRInt32 index = parent->IndexOf(current);
|
|
NS_ENSURE_TRUE(index >= 0, nsnull);
|
|
indexArray.AppendElement(index);
|
|
current = parent;
|
|
}
|
|
NS_ENSURE_TRUE(current->IsNodeOfType(nsINode::eDOCUMENT), nsnull);
|
|
|
|
current = aDoc;
|
|
for (PRInt32 i = indexArray.Length() - 1; i >= 0; --i) {
|
|
current = current->GetChildAt(indexArray[i]);
|
|
NS_ENSURE_TRUE(current, nsnull);
|
|
}
|
|
nsCOMPtr<nsIDOMNode> result = do_QueryInterface(current);
|
|
return result.forget();
|
|
}
|
|
|
|
static nsresult CloneRangeToSelection(nsIDOMRange* aRange,
|
|
nsIDocument* aDoc,
|
|
nsISelection* aSelection)
|
|
{
|
|
PRBool collapsed = PR_FALSE;
|
|
aRange->GetCollapsed(&collapsed);
|
|
if (collapsed) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> startContainer, endContainer;
|
|
PRInt32 startOffset = -1, endOffset = -1;
|
|
aRange->GetStartContainer(getter_AddRefs(startContainer));
|
|
aRange->GetStartOffset(&startOffset);
|
|
aRange->GetEndContainer(getter_AddRefs(endContainer));
|
|
aRange->GetEndOffset(&endOffset);
|
|
NS_ENSURE_STATE(startContainer && endContainer);
|
|
|
|
nsCOMPtr<nsIDOMNode> newStart = GetEqualNodeInCloneTree(startContainer, aDoc);
|
|
nsCOMPtr<nsIDOMNode> newEnd = GetEqualNodeInCloneTree(endContainer, aDoc);
|
|
NS_ENSURE_STATE(newStart && newEnd);
|
|
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
NS_NewRange(getter_AddRefs(range));
|
|
NS_ENSURE_TRUE(range, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
nsresult rv = range->SetStart(newStart, startOffset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = range->SetEnd(newEnd, endOffset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return aSelection->AddRange(range);
|
|
}
|
|
|
|
static nsresult CloneSelection(nsIDocument* aOrigDoc, nsIDocument* aDoc)
|
|
{
|
|
nsIPresShell* origShell = aOrigDoc->GetShell();
|
|
nsIPresShell* shell = aDoc->GetShell();
|
|
NS_ENSURE_STATE(origShell && shell);
|
|
|
|
nsCOMPtr<nsISelection> origSelection =
|
|
origShell->GetCurrentSelection(nsISelectionController::SELECTION_NORMAL);
|
|
nsCOMPtr<nsISelection> selection =
|
|
shell->GetCurrentSelection(nsISelectionController::SELECTION_NORMAL);
|
|
NS_ENSURE_STATE(origSelection && selection);
|
|
|
|
PRInt32 rangeCount = 0;
|
|
origSelection->GetRangeCount(&rangeCount);
|
|
for (PRInt32 i = 0; i < rangeCount; ++i) {
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
origSelection->GetRangeAt(i, getter_AddRefs(range));
|
|
if (range) {
|
|
CloneRangeToSelection(range, aDoc, selection);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
nsresult
|
|
nsPrintEngine::DoPrint(nsPrintObject * aPO)
|
|
{
|
|
PR_PL(("\n"));
|
|
PR_PL(("**************************** %s ****************************\n", gFrameTypesStr[aPO->mFrameType]));
|
|
PR_PL(("****** In DV::DoPrint PO: %p \n", aPO));
|
|
|
|
nsIPresShell* poPresShell = aPO->mPresShell;
|
|
nsPresContext* poPresContext = aPO->mPresContext;
|
|
|
|
NS_ASSERTION(poPresContext, "PrintObject has not been reflowed");
|
|
NS_ASSERTION(poPresContext->Type() != nsPresContext::eContext_PrintPreview,
|
|
"How did this context end up here?");
|
|
|
|
if (mPrt->mPrintProgressParams) {
|
|
SetDocAndURLIntoProgress(aPO, mPrt->mPrintProgressParams);
|
|
}
|
|
|
|
{
|
|
PRInt16 printRangeType = nsIPrintSettings::kRangeAllPages;
|
|
nsresult rv;
|
|
if (mPrt->mPrintSettings != nsnull) {
|
|
mPrt->mPrintSettings->GetPrintRange(&printRangeType);
|
|
}
|
|
|
|
// Ask the page sequence frame to print all the pages
|
|
nsIPageSequenceFrame* pageSequence = poPresShell->GetPageSequenceFrame();
|
|
NS_ASSERTION(nsnull != pageSequence, "no page sequence frame");
|
|
|
|
// We are done preparing for printing, so we can turn this off
|
|
mPrt->mPreparingForPrint = PR_FALSE;
|
|
|
|
// mPrt->mDebugFilePtr this is onlu non-null when compiled for debugging
|
|
if (nsnull != mPrt->mDebugFilePtr) {
|
|
#ifdef NS_DEBUG
|
|
// output the regression test
|
|
nsIFrame* root = poPresShell->FrameManager()->GetRootFrame();
|
|
root->DumpRegressionData(poPresContext, mPrt->mDebugFilePtr, 0);
|
|
fclose(mPrt->mDebugFilePtr);
|
|
SetIsPrinting(PR_FALSE);
|
|
#endif
|
|
} else {
|
|
#ifdef EXTENDED_DEBUG_PRINTING
|
|
nsIFrame* rootFrame = poPresShell->FrameManager()->GetRootFrame();
|
|
if (aPO->IsPrintable()) {
|
|
char * docStr;
|
|
char * urlStr;
|
|
GetDocTitleAndURL(aPO, docStr, urlStr);
|
|
DumpLayoutData(docStr, urlStr, poPresContext, mPrt->mPrintDocDC, rootFrame, docShell, nsnull);
|
|
if (docStr) nsMemory::Free(docStr);
|
|
if (urlStr) nsMemory::Free(urlStr);
|
|
}
|
|
#endif
|
|
|
|
if (!mPrt->mPrintSettings) {
|
|
// not sure what to do here!
|
|
SetIsPrinting(PR_FALSE);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
PRUnichar * docTitleStr = nsnull;
|
|
PRUnichar * docURLStr = nsnull;
|
|
|
|
GetDisplayTitleAndURL(aPO, &docTitleStr, &docURLStr, eDocTitleDefBlank);
|
|
|
|
if (nsIPrintSettings::kRangeSelection == printRangeType) {
|
|
CloneSelection(aPO->mDocument->GetOriginalDocument(), aPO->mDocument);
|
|
|
|
poPresContext->SetIsRenderingOnlySelection(PR_TRUE);
|
|
// temporarily creating rendering context
|
|
// which is needed to find the selection frames
|
|
nsRefPtr<nsRenderingContext> rc;
|
|
mPrt->mPrintDC->CreateRenderingContext(*getter_AddRefs(rc));
|
|
|
|
// find the starting and ending page numbers
|
|
// via the selection
|
|
nsIFrame* startFrame;
|
|
nsIFrame* endFrame;
|
|
PRInt32 startPageNum;
|
|
PRInt32 endPageNum;
|
|
nsRect startRect;
|
|
nsRect endRect;
|
|
|
|
nsCOMPtr<nsISelection> selectionPS;
|
|
selectionPS = poPresShell->GetCurrentSelection(nsISelectionController::SELECTION_NORMAL);
|
|
|
|
rv = GetPageRangeForSelection(poPresShell, poPresContext, *rc, selectionPS, pageSequence,
|
|
&startFrame, startPageNum, startRect,
|
|
&endFrame, endPageNum, endRect);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
mPrt->mPrintSettings->SetStartPageRange(startPageNum);
|
|
mPrt->mPrintSettings->SetEndPageRange(endPageNum);
|
|
nsIntMargin marginTwips(0,0,0,0);
|
|
nsIntMargin unwrtMarginTwips(0,0,0,0);
|
|
mPrt->mPrintSettings->GetMarginInTwips(marginTwips);
|
|
mPrt->mPrintSettings->GetUnwriteableMarginInTwips(unwrtMarginTwips);
|
|
nsMargin totalMargin = poPresContext->CSSTwipsToAppUnits(marginTwips +
|
|
unwrtMarginTwips);
|
|
if (startPageNum == endPageNum) {
|
|
startRect.y -= totalMargin.top;
|
|
endRect.y -= totalMargin.top;
|
|
|
|
// Clip out selection regions above the top of the first page
|
|
if (startRect.y < 0) {
|
|
// Reduce height to be the height of the positive-territory
|
|
// region of original rect
|
|
startRect.height = NS_MAX(0, startRect.YMost());
|
|
startRect.y = 0;
|
|
}
|
|
if (endRect.y < 0) {
|
|
// Reduce height to be the height of the positive-territory
|
|
// region of original rect
|
|
endRect.height = NS_MAX(0, endRect.YMost());
|
|
endRect.y = 0;
|
|
}
|
|
NS_ASSERTION(endRect.y >= startRect.y,
|
|
"Selection end point should be after start point");
|
|
NS_ASSERTION(startRect.height >= 0,
|
|
"rect should have non-negative height.");
|
|
NS_ASSERTION(endRect.height >= 0,
|
|
"rect should have non-negative height.");
|
|
|
|
nscoord selectionHgt = endRect.y + endRect.height - startRect.y;
|
|
// XXX This is temporary fix for printing more than one page of a selection
|
|
pageSequence->SetSelectionHeight(startRect.y * aPO->mZoomRatio,
|
|
selectionHgt * aPO->mZoomRatio);
|
|
|
|
// calc total pages by getting calculating the selection's height
|
|
// and then dividing it by how page content frames will fit.
|
|
nscoord pageWidth, pageHeight;
|
|
mPrt->mPrintDC->GetDeviceSurfaceDimensions(pageWidth, pageHeight);
|
|
pageHeight -= totalMargin.top + totalMargin.bottom;
|
|
PRInt32 totalPages = NSToIntCeil(float(selectionHgt) * aPO->mZoomRatio / float(pageHeight));
|
|
pageSequence->SetTotalNumPages(totalPages);
|
|
}
|
|
}
|
|
}
|
|
|
|
nsIFrame * seqFrame = do_QueryFrame(pageSequence);
|
|
if (!seqFrame) {
|
|
SetIsPrinting(PR_FALSE);
|
|
if (docTitleStr) nsMemory::Free(docTitleStr);
|
|
if (docURLStr) nsMemory::Free(docURLStr);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mPageSeqFrame = pageSequence;
|
|
mPageSeqFrame->StartPrint(poPresContext, mPrt->mPrintSettings, docTitleStr, docURLStr);
|
|
|
|
// Schedule Page to Print
|
|
PR_PL(("Scheduling Print of PO: %p (%s) \n", aPO, gFrameTypesStr[aPO->mFrameType]));
|
|
StartPagePrintTimer(aPO);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
void
|
|
nsPrintEngine::SetDocAndURLIntoProgress(nsPrintObject* aPO,
|
|
nsIPrintProgressParams* aParams)
|
|
{
|
|
NS_ASSERTION(aPO, "Must have vaild nsPrintObject");
|
|
NS_ASSERTION(aParams, "Must have vaild nsIPrintProgressParams");
|
|
|
|
if (!aPO || !aPO->mDocShell || !aParams) {
|
|
return;
|
|
}
|
|
const PRUint32 kTitleLength = 64;
|
|
|
|
PRUnichar * docTitleStr;
|
|
PRUnichar * docURLStr;
|
|
GetDisplayTitleAndURL(aPO, &docTitleStr, &docURLStr, eDocTitleDefURLDoc);
|
|
|
|
// Make sure the Titles & URLS don't get too long for the progress dialog
|
|
ElipseLongString(docTitleStr, kTitleLength, PR_FALSE);
|
|
ElipseLongString(docURLStr, kTitleLength, PR_TRUE);
|
|
|
|
aParams->SetDocTitle(docTitleStr);
|
|
aParams->SetDocURL(docURLStr);
|
|
|
|
if (docTitleStr != nsnull) nsMemory::Free(docTitleStr);
|
|
if (docURLStr != nsnull) nsMemory::Free(docURLStr);
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
void
|
|
nsPrintEngine::ElipseLongString(PRUnichar *& aStr, const PRUint32 aLen, PRBool aDoFront)
|
|
{
|
|
// Make sure the URLS don't get too long for the progress dialog
|
|
if (aStr && nsCRT::strlen(aStr) > aLen) {
|
|
if (aDoFront) {
|
|
PRUnichar * ptr = &aStr[nsCRT::strlen(aStr)-aLen+3];
|
|
nsAutoString newStr;
|
|
newStr.AppendLiteral("...");
|
|
newStr += ptr;
|
|
nsMemory::Free(aStr);
|
|
aStr = ToNewUnicode(newStr);
|
|
} else {
|
|
nsAutoString newStr(aStr);
|
|
newStr.SetLength(aLen-3);
|
|
newStr.AppendLiteral("...");
|
|
nsMemory::Free(aStr);
|
|
aStr = ToNewUnicode(newStr);
|
|
}
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
PRBool
|
|
nsPrintEngine::PrintPage(nsPrintObject* aPO,
|
|
PRBool& aInRange)
|
|
{
|
|
NS_ASSERTION(aPO, "aPO is null!");
|
|
NS_ASSERTION(mPageSeqFrame, "mPageSeqFrame is null!");
|
|
NS_ASSERTION(mPrt, "mPrt is null!");
|
|
|
|
// Although these should NEVER be NULL
|
|
// This is added insurance, to make sure we don't crash in optimized builds
|
|
if (!mPrt || !aPO || !mPageSeqFrame) {
|
|
ShowPrintErrorDialog(NS_ERROR_FAILURE);
|
|
return PR_TRUE; // means we are done printing
|
|
}
|
|
|
|
PR_PL(("-----------------------------------\n"));
|
|
PR_PL(("------ In DV::PrintPage PO: %p (%s)\n", aPO, gFrameTypesStr[aPO->mFrameType]));
|
|
|
|
// Check setting to see if someone request it be cancelled
|
|
PRBool isCancelled = PR_FALSE;
|
|
mPrt->mPrintSettings->GetIsCancelled(&isCancelled);
|
|
if (isCancelled)
|
|
return PR_TRUE;
|
|
|
|
PRInt32 pageNum, numPages, endPage;
|
|
mPageSeqFrame->GetCurrentPageNum(&pageNum);
|
|
mPageSeqFrame->GetNumPages(&numPages);
|
|
|
|
PRBool donePrinting;
|
|
PRBool isDoingPrintRange;
|
|
mPageSeqFrame->IsDoingPrintRange(&isDoingPrintRange);
|
|
if (isDoingPrintRange) {
|
|
PRInt32 fromPage;
|
|
PRInt32 toPage;
|
|
mPageSeqFrame->GetPrintRange(&fromPage, &toPage);
|
|
|
|
if (fromPage > numPages) {
|
|
return PR_TRUE;
|
|
}
|
|
if (toPage > numPages) {
|
|
toPage = numPages;
|
|
}
|
|
|
|
PR_PL(("****** Printing Page %d printing from %d to page %d\n", pageNum, fromPage, toPage));
|
|
|
|
donePrinting = pageNum >= toPage;
|
|
aInRange = pageNum >= fromPage && pageNum <= toPage;
|
|
endPage = (toPage - fromPage)+1;
|
|
} else {
|
|
PR_PL(("****** Printing Page %d of %d page(s)\n", pageNum, numPages));
|
|
|
|
donePrinting = pageNum >= numPages;
|
|
endPage = numPages;
|
|
aInRange = PR_TRUE;
|
|
}
|
|
|
|
// XXX This is wrong, but the actual behavior in the presence of a print
|
|
// range sucks.
|
|
if (mPrt->mPrintFrameType == nsIPrintSettings::kEachFrameSep)
|
|
endPage = mPrt->mNumPrintablePages;
|
|
|
|
mPrt->DoOnProgressChange(++mPrt->mNumPagesPrinted, endPage, PR_FALSE, 0);
|
|
|
|
// Print the Page
|
|
// if a print job was cancelled externally, an EndPage or BeginPage may
|
|
// fail and the failure is passed back here.
|
|
// Returning PR_TRUE means we are done printing.
|
|
//
|
|
// When rv == NS_ERROR_ABORT, it means we want out of the
|
|
// print job without displaying any error messages
|
|
nsresult rv = mPageSeqFrame->PrintNextPage();
|
|
if (NS_FAILED(rv)) {
|
|
if (rv != NS_ERROR_ABORT) {
|
|
ShowPrintErrorDialog(rv);
|
|
mPrt->mIsAborted = PR_TRUE;
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
|
|
mPageSeqFrame->DoPageEnd();
|
|
|
|
return donePrinting;
|
|
}
|
|
|
|
/** ---------------------------------------------------
|
|
* Find by checking frames type
|
|
*/
|
|
nsresult
|
|
nsPrintEngine::FindSelectionBoundsWithList(nsPresContext* aPresContext,
|
|
nsRenderingContext& aRC,
|
|
nsIAtom* aList,
|
|
nsIFrame * aParentFrame,
|
|
nsRect& aRect,
|
|
nsIFrame *& aStartFrame,
|
|
nsRect& aStartRect,
|
|
nsIFrame *& aEndFrame,
|
|
nsRect& aEndRect)
|
|
{
|
|
NS_ASSERTION(aPresContext, "Pointer is null!");
|
|
NS_ASSERTION(aParentFrame, "Pointer is null!");
|
|
|
|
nsIFrame* child = aParentFrame->GetFirstChild(aList);
|
|
aRect += aParentFrame->GetPosition();
|
|
while (child) {
|
|
// only leaf frames have this bit flipped
|
|
// then check the hard way
|
|
PRBool isSelected = (child->GetStateBits() & NS_FRAME_SELECTED_CONTENT)
|
|
== NS_FRAME_SELECTED_CONTENT;
|
|
if (isSelected) {
|
|
isSelected = child->IsVisibleForPainting();
|
|
}
|
|
|
|
if (isSelected) {
|
|
nsRect r = child->GetRect();
|
|
if (aStartFrame == nsnull) {
|
|
aStartFrame = child;
|
|
aStartRect.SetRect(aRect.x + r.x, aRect.y + r.y, r.width, r.height);
|
|
} else {
|
|
aEndFrame = child;
|
|
aEndRect.SetRect(aRect.x + r.x, aRect.y + r.y, r.width, r.height);
|
|
}
|
|
}
|
|
FindSelectionBounds(aPresContext, aRC, child, aRect, aStartFrame, aStartRect, aEndFrame, aEndRect);
|
|
child = child->GetNextSibling();
|
|
}
|
|
aRect -= aParentFrame->GetPosition();
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// Find the Frame that is XMost
|
|
nsresult
|
|
nsPrintEngine::FindSelectionBounds(nsPresContext* aPresContext,
|
|
nsRenderingContext& aRC,
|
|
nsIFrame * aParentFrame,
|
|
nsRect& aRect,
|
|
nsIFrame *& aStartFrame,
|
|
nsRect& aStartRect,
|
|
nsIFrame *& aEndFrame,
|
|
nsRect& aEndRect)
|
|
{
|
|
NS_ASSERTION(aPresContext, "Pointer is null!");
|
|
NS_ASSERTION(aParentFrame, "Pointer is null!");
|
|
|
|
// loop through named child lists
|
|
nsIAtom* childListName = nsnull;
|
|
PRInt32 childListIndex = 0;
|
|
do {
|
|
nsresult rv = FindSelectionBoundsWithList(aPresContext, aRC, childListName, aParentFrame, aRect, aStartFrame, aStartRect, aEndFrame, aEndRect);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
childListName = aParentFrame->GetAdditionalChildListName(childListIndex++);
|
|
} while (childListName);
|
|
return NS_OK;
|
|
}
|
|
|
|
/** ---------------------------------------------------
|
|
* This method finds the starting and ending page numbers
|
|
* of the selection and also returns rect for each where
|
|
* the x,y of the rect is relative to the very top of the
|
|
* frame tree (absolutely positioned)
|
|
*/
|
|
nsresult
|
|
nsPrintEngine::GetPageRangeForSelection(nsIPresShell * aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsRenderingContext& aRC,
|
|
nsISelection* aSelection,
|
|
nsIPageSequenceFrame* aPageSeqFrame,
|
|
nsIFrame** aStartFrame,
|
|
PRInt32& aStartPageNum,
|
|
nsRect& aStartRect,
|
|
nsIFrame** aEndFrame,
|
|
PRInt32& aEndPageNum,
|
|
nsRect& aEndRect)
|
|
{
|
|
NS_ASSERTION(aPresShell, "Pointer is null!");
|
|
NS_ASSERTION(aPresContext, "Pointer is null!");
|
|
NS_ASSERTION(aSelection, "Pointer is null!");
|
|
NS_ASSERTION(aPageSeqFrame, "Pointer is null!");
|
|
NS_ASSERTION(aStartFrame, "Pointer is null!");
|
|
NS_ASSERTION(aEndFrame, "Pointer is null!");
|
|
|
|
nsIFrame * seqFrame = do_QueryFrame(aPageSeqFrame);
|
|
if (!seqFrame) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsIFrame * startFrame = nsnull;
|
|
nsIFrame * endFrame = nsnull;
|
|
|
|
// start out with the sequence frame and search the entire frame tree
|
|
// capturing the starting and ending child frames of the selection
|
|
// and their rects
|
|
nsRect r = seqFrame->GetRect();
|
|
FindSelectionBounds(aPresContext, aRC, seqFrame, r,
|
|
startFrame, aStartRect, endFrame, aEndRect);
|
|
|
|
#ifdef DEBUG_rodsX
|
|
printf("Start Frame: %p\n", startFrame);
|
|
printf("End Frame: %p\n", endFrame);
|
|
#endif
|
|
|
|
// initial the page numbers here
|
|
// in case we don't find and frames
|
|
aStartPageNum = -1;
|
|
aEndPageNum = -1;
|
|
|
|
nsIFrame * startPageFrame;
|
|
nsIFrame * endPageFrame;
|
|
|
|
// check to make sure we found a starting frame
|
|
if (startFrame != nsnull) {
|
|
// Now search up the tree to find what page the
|
|
// start/ending selections frames are on
|
|
//
|
|
// Check to see if start should be same as end if
|
|
// the end frame comes back null
|
|
if (endFrame == nsnull) {
|
|
// XXX the "GetPageFrame" step could be integrated into
|
|
// the FindSelectionBounds step, but walking up to find
|
|
// the parent of a child frame isn't expensive and it makes
|
|
// FindSelectionBounds a little easier to understand
|
|
startPageFrame = nsLayoutUtils::GetPageFrame(startFrame);
|
|
endPageFrame = startPageFrame;
|
|
aEndRect = aStartRect;
|
|
} else {
|
|
startPageFrame = nsLayoutUtils::GetPageFrame(startFrame);
|
|
endPageFrame = nsLayoutUtils::GetPageFrame(endFrame);
|
|
}
|
|
} else {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
#ifdef DEBUG_rodsX
|
|
printf("Start Page: %p\n", startPageFrame);
|
|
printf("End Page: %p\n", endPageFrame);
|
|
|
|
// dump all the pages and their pointers
|
|
{
|
|
PRInt32 pageNum = 1;
|
|
nsIFrame* child = seqFrame->GetFirstChild(nsnull);
|
|
while (child != nsnull) {
|
|
printf("Page: %d - %p\n", pageNum, child);
|
|
pageNum++;
|
|
child = child->GetNextSibling();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// Now that we have the page frames
|
|
// find out what the page numbers are for each frame
|
|
PRInt32 pageNum = 1;
|
|
nsIFrame* page = seqFrame->GetFirstChild(nsnull);
|
|
while (page != nsnull) {
|
|
if (page == startPageFrame) {
|
|
aStartPageNum = pageNum;
|
|
}
|
|
if (page == endPageFrame) {
|
|
aEndPageNum = pageNum;
|
|
}
|
|
pageNum++;
|
|
page = page->GetNextSibling();
|
|
}
|
|
|
|
#ifdef DEBUG_rodsX
|
|
printf("Start Page No: %d\n", aStartPageNum);
|
|
printf("End Page No: %d\n", aEndPageNum);
|
|
#endif
|
|
|
|
*aStartFrame = startPageFrame;
|
|
*aEndFrame = endPageFrame;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//-----------------------------------------------------------------
|
|
//-- Done: Printing Methods
|
|
//-----------------------------------------------------------------
|
|
|
|
|
|
//-----------------------------------------------------------------
|
|
//-- Section: Misc Support Methods
|
|
//-----------------------------------------------------------------
|
|
|
|
//---------------------------------------------------------------------
|
|
void nsPrintEngine::SetIsPrinting(PRBool aIsPrinting)
|
|
{
|
|
mIsDoingPrinting = aIsPrinting;
|
|
// Calling SetIsPrinting while in print preview confuses the document viewer
|
|
// This is safe because we prevent exiting print preview while printing
|
|
if (!mIsDoingPrintPreview &&
|
|
mPrt && mPrt->mPrintObject && mPrt->mPrintObject->mDocShell) {
|
|
nsCOMPtr<nsIContentViewer> viewer;
|
|
mPrt->mPrintObject->mDocShell->GetContentViewer(getter_AddRefs(viewer));
|
|
nsCOMPtr<nsIDocumentViewerPrint> docViewerPrint = do_QueryInterface(viewer);
|
|
if (docViewerPrint) {
|
|
docViewerPrint->SetIsPrinting(aIsPrinting);
|
|
}
|
|
}
|
|
if (mPrt && aIsPrinting) {
|
|
mPrt->mPreparingForPrint = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
void nsPrintEngine::SetIsPrintPreview(PRBool aIsPrintPreview)
|
|
{
|
|
mIsDoingPrintPreview = aIsPrintPreview;
|
|
|
|
if (mDocViewerPrint) {
|
|
mDocViewerPrint->SetIsPrintPreview(aIsPrintPreview);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
void
|
|
nsPrintEngine::CleanupDocTitleArray(PRUnichar**& aArray, PRInt32& aCount)
|
|
{
|
|
for (PRInt32 i = aCount - 1; i >= 0; i--) {
|
|
nsMemory::Free(aArray[i]);
|
|
}
|
|
nsMemory::Free(aArray);
|
|
aArray = NULL;
|
|
aCount = 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
// static
|
|
PRBool nsPrintEngine::HasFramesetChild(nsIContent* aContent)
|
|
{
|
|
if (!aContent) {
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRUint32 numChildren = aContent->GetChildCount();
|
|
|
|
// do a breadth search across all siblings
|
|
for (PRUint32 i = 0; i < numChildren; ++i) {
|
|
nsIContent *child = aContent->GetChildAt(i);
|
|
if (child->Tag() == nsGkAtoms::frameset &&
|
|
child->IsHTML()) {
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|
|
|
|
/** ---------------------------------------------------
|
|
* Get the Focused Frame for a documentviewer
|
|
*/
|
|
already_AddRefed<nsIDOMWindow>
|
|
nsPrintEngine::FindFocusedDOMWindow()
|
|
{
|
|
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
NS_ENSURE_TRUE(fm, nsnull);
|
|
|
|
nsCOMPtr<nsPIDOMWindow> window(mDocument->GetWindow());
|
|
NS_ENSURE_TRUE(window, nsnull);
|
|
|
|
nsCOMPtr<nsPIDOMWindow> rootWindow = window->GetPrivateRoot();
|
|
NS_ENSURE_TRUE(rootWindow, nsnull);
|
|
|
|
nsPIDOMWindow* focusedWindow;
|
|
nsFocusManager::GetFocusedDescendant(rootWindow, PR_TRUE, &focusedWindow);
|
|
NS_ENSURE_TRUE(focusedWindow, nsnull);
|
|
|
|
if (IsWindowsInOurSubTree(focusedWindow)) {
|
|
return focusedWindow;
|
|
}
|
|
|
|
NS_IF_RELEASE(focusedWindow);
|
|
return nsnull;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
PRBool
|
|
nsPrintEngine::IsWindowsInOurSubTree(nsPIDOMWindow * window)
|
|
{
|
|
PRBool found = PR_FALSE;
|
|
|
|
// now check to make sure it is in "our" tree of docshells
|
|
if (window) {
|
|
nsCOMPtr<nsIDocShellTreeItem> docShellAsItem =
|
|
do_QueryInterface(window->GetDocShell());
|
|
|
|
if (docShellAsItem) {
|
|
// get this DocViewer docshell
|
|
nsCOMPtr<nsIDocShell> thisDVDocShell(do_QueryReferent(mContainer));
|
|
while (!found) {
|
|
nsCOMPtr<nsIDocShell> parentDocshell(do_QueryInterface(docShellAsItem));
|
|
if (parentDocshell) {
|
|
if (parentDocshell == thisDVDocShell) {
|
|
found = PR_TRUE;
|
|
break;
|
|
}
|
|
} else {
|
|
break; // at top of tree
|
|
}
|
|
nsCOMPtr<nsIDocShellTreeItem> docShellParent;
|
|
docShellAsItem->GetSameTypeParent(getter_AddRefs(docShellParent));
|
|
docShellAsItem = docShellParent;
|
|
} // while
|
|
}
|
|
} // scriptobj
|
|
|
|
return found;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
PRBool
|
|
nsPrintEngine::DonePrintingPages(nsPrintObject* aPO, nsresult aResult)
|
|
{
|
|
//NS_ASSERTION(aPO, "Pointer is null!");
|
|
PR_PL(("****** In DV::DonePrintingPages PO: %p (%s)\n", aPO, aPO?gFrameTypesStr[aPO->mFrameType]:""));
|
|
|
|
if (aPO != nsnull) {
|
|
aPO->mHasBeenPrinted = PR_TRUE;
|
|
nsresult rv;
|
|
PRBool didPrint = PrintDocContent(mPrt->mPrintObject, rv);
|
|
if (NS_SUCCEEDED(rv) && didPrint) {
|
|
PR_PL(("****** In DV::DonePrintingPages PO: %p (%s) didPrint:%s (Not Done Printing)\n", aPO, gFrameTypesStr[aPO->mFrameType], PRT_YESNO(didPrint)));
|
|
return PR_FALSE;
|
|
}
|
|
}
|
|
|
|
if (NS_SUCCEEDED(aResult)) {
|
|
FirePrintCompletionEvent();
|
|
}
|
|
|
|
TurnScriptingOn(PR_TRUE);
|
|
SetIsPrinting(PR_FALSE);
|
|
|
|
// Release reference to mPagePrintTimer; the timer object destroys itself
|
|
// after this returns true
|
|
NS_IF_RELEASE(mPagePrintTimer);
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// Recursively sets the PO items to be printed "As Is"
|
|
// from the given item down into the tree
|
|
void
|
|
nsPrintEngine::SetPrintAsIs(nsPrintObject* aPO, PRBool aAsIs)
|
|
{
|
|
NS_ASSERTION(aPO, "Pointer is null!");
|
|
|
|
aPO->mPrintAsIs = aAsIs;
|
|
for (PRUint32 i=0;i<aPO->mKids.Length();i++) {
|
|
SetPrintAsIs(aPO->mKids[i], aAsIs);
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// Given a DOMWindow it recursively finds the PO object that matches
|
|
nsPrintObject*
|
|
nsPrintEngine::FindPrintObjectByDOMWin(nsPrintObject* aPO,
|
|
nsIDOMWindow* aDOMWin)
|
|
{
|
|
NS_ASSERTION(aPO, "Pointer is null!");
|
|
|
|
// Often the CurFocused DOMWindow is passed in
|
|
// andit is valid for it to be null, so short circut
|
|
if (!aDOMWin) {
|
|
return nsnull;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
aDOMWin->GetDocument(getter_AddRefs(domDoc));
|
|
nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
|
|
if (aPO->mDocument && aPO->mDocument->GetOriginalDocument() == doc) {
|
|
return aPO;
|
|
}
|
|
|
|
PRInt32 cnt = aPO->mKids.Length();
|
|
for (PRInt32 i = 0; i < cnt; ++i) {
|
|
nsPrintObject* po = FindPrintObjectByDOMWin(aPO->mKids[i], aDOMWin);
|
|
if (po) {
|
|
return po;
|
|
}
|
|
}
|
|
|
|
return nsnull;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
nsresult
|
|
nsPrintEngine::EnablePOsForPrinting()
|
|
{
|
|
// NOTE: All POs have been "turned off" for printing
|
|
// this is where we decided which POs get printed.
|
|
mPrt->mSelectedPO = nsnull;
|
|
|
|
if (mPrt->mPrintSettings == nsnull) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mPrt->mPrintFrameType = nsIPrintSettings::kNoFrames;
|
|
mPrt->mPrintSettings->GetPrintFrameType(&mPrt->mPrintFrameType);
|
|
|
|
PRInt16 printHowEnable = nsIPrintSettings::kFrameEnableNone;
|
|
mPrt->mPrintSettings->GetHowToEnableFrameUI(&printHowEnable);
|
|
|
|
PRInt16 printRangeType = nsIPrintSettings::kRangeAllPages;
|
|
mPrt->mPrintSettings->GetPrintRange(&printRangeType);
|
|
|
|
PR_PL(("\n"));
|
|
PR_PL(("********* nsPrintEngine::EnablePOsForPrinting *********\n"));
|
|
PR_PL(("PrintFrameType: %s \n", gPrintFrameTypeStr[mPrt->mPrintFrameType]));
|
|
PR_PL(("HowToEnableFrameUI: %s \n", gFrameHowToEnableStr[printHowEnable]));
|
|
PR_PL(("PrintRange: %s \n", gPrintRangeStr[printRangeType]));
|
|
PR_PL(("----\n"));
|
|
|
|
// ***** This is the ultimate override *****
|
|
// if we are printing the selection (either an IFrame or selection range)
|
|
// then set the mPrintFrameType as if it were the selected frame
|
|
if (printRangeType == nsIPrintSettings::kRangeSelection) {
|
|
mPrt->mPrintFrameType = nsIPrintSettings::kSelectedFrame;
|
|
printHowEnable = nsIPrintSettings::kFrameEnableNone;
|
|
}
|
|
|
|
// This tells us that the "Frame" UI has turned off,
|
|
// so therefore there are no FrameSets/Frames/IFrames to be printed
|
|
//
|
|
// This means there are not FrameSets,
|
|
// but the document could contain an IFrame
|
|
if (printHowEnable == nsIPrintSettings::kFrameEnableNone) {
|
|
|
|
// Print all the pages or a sub range of pages
|
|
if (printRangeType == nsIPrintSettings::kRangeAllPages ||
|
|
printRangeType == nsIPrintSettings::kRangeSpecifiedPageRange) {
|
|
SetPrintPO(mPrt->mPrintObject, PR_TRUE);
|
|
|
|
// Set the children so they are PrinAsIs
|
|
// In this case, the children are probably IFrames
|
|
if (mPrt->mPrintObject->mKids.Length() > 0) {
|
|
for (PRUint32 i=0;i<mPrt->mPrintObject->mKids.Length();i++) {
|
|
nsPrintObject* po = mPrt->mPrintObject->mKids[i];
|
|
NS_ASSERTION(po, "nsPrintObject can't be null!");
|
|
SetPrintAsIs(po);
|
|
}
|
|
|
|
// ***** Another override *****
|
|
mPrt->mPrintFrameType = nsIPrintSettings::kFramesAsIs;
|
|
}
|
|
PR_PL(("PrintFrameType: %s \n", gPrintFrameTypeStr[mPrt->mPrintFrameType]));
|
|
PR_PL(("HowToEnableFrameUI: %s \n", gFrameHowToEnableStr[printHowEnable]));
|
|
PR_PL(("PrintRange: %s \n", gPrintRangeStr[printRangeType]));
|
|
return NS_OK;
|
|
}
|
|
|
|
// This means we are either printed a selected IFrame or
|
|
// we are printing the current selection
|
|
if (printRangeType == nsIPrintSettings::kRangeSelection) {
|
|
|
|
// If the currentFocusDOMWin can'r be null if something is selected
|
|
if (mPrt->mCurrentFocusWin) {
|
|
// Find the selected IFrame
|
|
nsPrintObject * po = FindPrintObjectByDOMWin(mPrt->mPrintObject, mPrt->mCurrentFocusWin);
|
|
if (po != nsnull) {
|
|
mPrt->mSelectedPO = po;
|
|
// Makes sure all of its children are be printed "AsIs"
|
|
SetPrintAsIs(po);
|
|
|
|
// Now, only enable this POs (the selected PO) and all of its children
|
|
SetPrintPO(po, PR_TRUE);
|
|
|
|
// check to see if we have a range selection,
|
|
// as oppose to a insert selection
|
|
// this means if the user just clicked on the IFrame then
|
|
// there will not be a selection so we want the entire page to print
|
|
//
|
|
// XXX this is sort of a hack right here to make the page
|
|
// not try to reposition itself when printing selection
|
|
nsCOMPtr<nsIDOMWindow> domWin =
|
|
do_QueryInterface(po->mDocument->GetOriginalDocument()->GetWindow());
|
|
if (!IsThereARangeSelection(domWin)) {
|
|
printRangeType = nsIPrintSettings::kRangeAllPages;
|
|
mPrt->mPrintSettings->SetPrintRange(printRangeType);
|
|
}
|
|
PR_PL(("PrintFrameType: %s \n", gPrintFrameTypeStr[mPrt->mPrintFrameType]));
|
|
PR_PL(("HowToEnableFrameUI: %s \n", gFrameHowToEnableStr[printHowEnable]));
|
|
PR_PL(("PrintRange: %s \n", gPrintRangeStr[printRangeType]));
|
|
return NS_OK;
|
|
}
|
|
} else {
|
|
for (PRUint32 i=0;i<mPrt->mPrintDocList.Length();i++) {
|
|
nsPrintObject* po = mPrt->mPrintDocList.ElementAt(i);
|
|
NS_ASSERTION(po, "nsPrintObject can't be null!");
|
|
nsCOMPtr<nsIDOMWindow> domWin = do_GetInterface(po->mDocShell);
|
|
if (IsThereARangeSelection(domWin)) {
|
|
mPrt->mCurrentFocusWin = domWin;
|
|
SetPrintPO(po, PR_TRUE);
|
|
break;
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
// check to see if there is a selection when a FrameSet is present
|
|
if (printRangeType == nsIPrintSettings::kRangeSelection) {
|
|
// If the currentFocusDOMWin can'r be null if something is selected
|
|
if (mPrt->mCurrentFocusWin) {
|
|
// Find the selected IFrame
|
|
nsPrintObject * po = FindPrintObjectByDOMWin(mPrt->mPrintObject, mPrt->mCurrentFocusWin);
|
|
if (po != nsnull) {
|
|
mPrt->mSelectedPO = po;
|
|
// Makes sure all of its children are be printed "AsIs"
|
|
SetPrintAsIs(po);
|
|
|
|
// Now, only enable this POs (the selected PO) and all of its children
|
|
SetPrintPO(po, PR_TRUE);
|
|
|
|
// check to see if we have a range selection,
|
|
// as oppose to a insert selection
|
|
// this means if the user just clicked on the IFrame then
|
|
// there will not be a selection so we want the entire page to print
|
|
//
|
|
// XXX this is sort of a hack right here to make the page
|
|
// not try to reposition itself when printing selection
|
|
nsCOMPtr<nsIDOMWindow> domWin =
|
|
do_QueryInterface(po->mDocument->GetOriginalDocument()->GetWindow());
|
|
if (!IsThereARangeSelection(domWin)) {
|
|
printRangeType = nsIPrintSettings::kRangeAllPages;
|
|
mPrt->mPrintSettings->SetPrintRange(printRangeType);
|
|
}
|
|
PR_PL(("PrintFrameType: %s \n", gPrintFrameTypeStr[mPrt->mPrintFrameType]));
|
|
PR_PL(("HowToEnableFrameUI: %s \n", gFrameHowToEnableStr[printHowEnable]));
|
|
PR_PL(("PrintRange: %s \n", gPrintRangeStr[printRangeType]));
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
// If we are printing "AsIs" then sets all the POs to be printed as is
|
|
if (mPrt->mPrintFrameType == nsIPrintSettings::kFramesAsIs) {
|
|
SetPrintAsIs(mPrt->mPrintObject);
|
|
SetPrintPO(mPrt->mPrintObject, PR_TRUE);
|
|
return NS_OK;
|
|
}
|
|
|
|
// If we are printing the selected Frame then
|
|
// find that PO for that selected DOMWin and set it all of its
|
|
// children to be printed
|
|
if (mPrt->mPrintFrameType == nsIPrintSettings::kSelectedFrame) {
|
|
|
|
if ((mPrt->mIsParentAFrameSet && mPrt->mCurrentFocusWin) || mPrt->mIsIFrameSelected) {
|
|
nsPrintObject * po = FindPrintObjectByDOMWin(mPrt->mPrintObject, mPrt->mCurrentFocusWin);
|
|
if (po != nsnull) {
|
|
mPrt->mSelectedPO = po;
|
|
// NOTE: Calling this sets the "po" and
|
|
// we don't want to do this for documents that have no children,
|
|
// because then the "DoEndPage" gets called and it shouldn't
|
|
if (po->mKids.Length() > 0) {
|
|
// Makes sure that itself, and all of its children are printed "AsIs"
|
|
SetPrintAsIs(po);
|
|
}
|
|
|
|
// Now, only enable this POs (the selected PO) and all of its children
|
|
SetPrintPO(po, PR_TRUE);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
// If we are print each subdoc separately,
|
|
// then don't print any of the FraneSet Docs
|
|
if (mPrt->mPrintFrameType == nsIPrintSettings::kEachFrameSep) {
|
|
SetPrintPO(mPrt->mPrintObject, PR_TRUE);
|
|
PRInt32 cnt = mPrt->mPrintDocList.Length();
|
|
for (PRInt32 i=0;i<cnt;i++) {
|
|
nsPrintObject* po = mPrt->mPrintDocList.ElementAt(i);
|
|
NS_ASSERTION(po, "nsPrintObject can't be null!");
|
|
if (po->mFrameType == eFrameSet) {
|
|
po->mDontPrint = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// Return the nsPrintObject with that is XMost (The widest frameset frame) AND
|
|
// contains the XMost (widest) layout frame
|
|
nsPrintObject*
|
|
nsPrintEngine::FindSmallestSTF()
|
|
{
|
|
float smallestRatio = 1.0f;
|
|
nsPrintObject* smallestPO = nsnull;
|
|
|
|
for (PRUint32 i=0;i<mPrt->mPrintDocList.Length();i++) {
|
|
nsPrintObject* po = mPrt->mPrintDocList.ElementAt(i);
|
|
NS_ASSERTION(po, "nsPrintObject can't be null!");
|
|
if (po->mFrameType != eFrameSet && po->mFrameType != eIFrame) {
|
|
if (po->mShrinkRatio < smallestRatio) {
|
|
smallestRatio = po->mShrinkRatio;
|
|
smallestPO = po;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef EXTENDED_DEBUG_PRINTING
|
|
if (smallestPO) printf("*PO: %p Type: %d %10.3f\n", smallestPO, smallestPO->mFrameType, smallestPO->mShrinkRatio);
|
|
#endif
|
|
return smallestPO;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
void
|
|
nsPrintEngine::TurnScriptingOn(PRBool aDoTurnOn)
|
|
{
|
|
if (mIsDoingPrinting && aDoTurnOn && mDocViewerPrint &&
|
|
mDocViewerPrint->GetIsPrintPreview()) {
|
|
// We don't want to turn scripting on if print preview is shown still after
|
|
// printing.
|
|
return;
|
|
}
|
|
|
|
nsPrintData* prt = mPrt;
|
|
#ifdef NS_PRINT_PREVIEW
|
|
if (!prt) {
|
|
prt = mPrtPreview;
|
|
}
|
|
#endif
|
|
if (!prt) {
|
|
return;
|
|
}
|
|
|
|
NS_ASSERTION(mDocument, "We MUST have a document.");
|
|
// First, get the script global object from the document...
|
|
|
|
for (PRUint32 i=0;i<prt->mPrintDocList.Length();i++) {
|
|
nsPrintObject* po = prt->mPrintDocList.ElementAt(i);
|
|
NS_ASSERTION(po, "nsPrintObject can't be null!");
|
|
|
|
nsIDocument* doc = po->mDocument;
|
|
if (!doc) {
|
|
continue;
|
|
}
|
|
|
|
// get the script global object
|
|
nsIScriptGlobalObject *scriptGlobalObj = doc->GetScriptGlobalObject();
|
|
|
|
if (scriptGlobalObj) {
|
|
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(scriptGlobalObj);
|
|
NS_ASSERTION(window, "Can't get nsPIDOMWindow");
|
|
nsIScriptContext *scx = scriptGlobalObj->GetContext();
|
|
NS_WARN_IF_FALSE(scx, "Can't get nsIScriptContext");
|
|
nsresult propThere = NS_PROPTABLE_PROP_NOT_THERE;
|
|
doc->GetProperty(nsGkAtoms::scriptEnabledBeforePrintOrPreview,
|
|
&propThere);
|
|
if (aDoTurnOn) {
|
|
if (propThere != NS_PROPTABLE_PROP_NOT_THERE) {
|
|
doc->DeleteProperty(nsGkAtoms::scriptEnabledBeforePrintOrPreview);
|
|
if (scx) {
|
|
scx->SetScriptsEnabled(PR_TRUE, PR_FALSE);
|
|
}
|
|
window->ResumeTimeouts(PR_FALSE);
|
|
}
|
|
} else {
|
|
// Have to be careful, because people call us over and over again with
|
|
// aDoTurnOn == PR_FALSE. So don't set the property if it's already
|
|
// set, since in that case we'd set it to the wrong value.
|
|
if (propThere == NS_PROPTABLE_PROP_NOT_THERE) {
|
|
// Stash the current value of IsScriptEnabled on the document, so
|
|
// that layout code running in print preview doesn't get confused.
|
|
doc->SetProperty(nsGkAtoms::scriptEnabledBeforePrintOrPreview,
|
|
NS_INT32_TO_PTR(doc->IsScriptEnabled()));
|
|
if (scx) {
|
|
scx->SetScriptsEnabled(PR_FALSE, PR_FALSE);
|
|
}
|
|
window->SuspendTimeouts(1, PR_FALSE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------
|
|
//-- Done: Misc Support Methods
|
|
//-----------------------------------------------------------------
|
|
|
|
|
|
//-----------------------------------------------------------------
|
|
//-- Section: Finishing up or Cleaning up
|
|
//-----------------------------------------------------------------
|
|
|
|
//-----------------------------------------------------------------
|
|
void
|
|
nsPrintEngine::CloseProgressDialog(nsIWebProgressListener* aWebProgressListener)
|
|
{
|
|
if (aWebProgressListener) {
|
|
aWebProgressListener->OnStateChange(nsnull, nsnull, nsIWebProgressListener::STATE_STOP|nsIWebProgressListener::STATE_IS_DOCUMENT, nsnull);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------
|
|
nsresult
|
|
nsPrintEngine::FinishPrintPreview()
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
#ifdef NS_PRINT_PREVIEW
|
|
|
|
if (!mPrt) {
|
|
/* we're already finished with print preview */
|
|
return rv;
|
|
}
|
|
|
|
rv = DocumentReadyForPrinting();
|
|
|
|
SetIsCreatingPrintPreview(PR_FALSE);
|
|
|
|
/* cleaup on failure + notify user */
|
|
if (NS_FAILED(rv)) {
|
|
/* cleanup done, let's fire-up an error dialog to notify the user
|
|
* what went wrong...
|
|
*/
|
|
mPrt->OnEndPrinting();
|
|
TurnScriptingOn(PR_TRUE);
|
|
|
|
return rv;
|
|
}
|
|
|
|
// At this point we are done preparing everything
|
|
// before it is to be created
|
|
|
|
|
|
if (mIsDoingPrintPreview && mOldPrtPreview) {
|
|
delete mOldPrtPreview;
|
|
mOldPrtPreview = nsnull;
|
|
}
|
|
|
|
InstallPrintPreviewListener();
|
|
|
|
mPrt->OnEndPrinting();
|
|
|
|
// PrintPreview was built using the mPrt (code reuse)
|
|
// then we assign it over
|
|
mPrtPreview = mPrt;
|
|
mPrt = nsnull;
|
|
|
|
#endif // NS_PRINT_PREVIEW
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//-----------------------------------------------------------------
|
|
//-- Done: Finishing up or Cleaning up
|
|
//-----------------------------------------------------------------
|
|
|
|
|
|
/*=============== Timer Related Code ======================*/
|
|
nsresult
|
|
nsPrintEngine::StartPagePrintTimer(nsPrintObject* aPO)
|
|
{
|
|
if (!mPagePrintTimer) {
|
|
nsresult rv = NS_NewPagePrintTimer(&mPagePrintTimer);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Get the delay time in between the printing of each page
|
|
// this gives the user more time to press cancel
|
|
PRInt32 printPageDelay = 50;
|
|
mPrt->mPrintSettings->GetPrintPageDelay(&printPageDelay);
|
|
|
|
mPagePrintTimer->Init(this, mDocViewerPrint, printPageDelay);
|
|
}
|
|
|
|
return mPagePrintTimer->Start(aPO);
|
|
}
|
|
|
|
/*=============== nsIObserver Interface ======================*/
|
|
NS_IMETHODIMP
|
|
nsPrintEngine::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *aData)
|
|
{
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
if (mIsDoingPrinting) {
|
|
rv = DocumentReadyForPrinting();
|
|
|
|
/* cleaup on failure + notify user */
|
|
if (NS_FAILED(rv)) {
|
|
CleanupOnFailure(rv, PR_TRUE);
|
|
}
|
|
} else {
|
|
rv = FinishPrintPreview();
|
|
if (NS_FAILED(rv)) {
|
|
CleanupOnFailure(rv, PR_FALSE);
|
|
}
|
|
if (mPrtPreview) {
|
|
mPrtPreview->OnEndPrinting();
|
|
}
|
|
rv = NS_OK;
|
|
}
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
//---------------------------------------------------------------
|
|
//-- PLEvent Notification
|
|
//---------------------------------------------------------------
|
|
class nsPrintCompletionEvent : public nsRunnable {
|
|
public:
|
|
nsPrintCompletionEvent(nsIDocumentViewerPrint *docViewerPrint)
|
|
: mDocViewerPrint(docViewerPrint) {
|
|
NS_ASSERTION(mDocViewerPrint, "mDocViewerPrint is null.");
|
|
}
|
|
|
|
NS_IMETHOD Run() {
|
|
if (mDocViewerPrint)
|
|
mDocViewerPrint->OnDonePrinting();
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
nsCOMPtr<nsIDocumentViewerPrint> mDocViewerPrint;
|
|
};
|
|
|
|
//-----------------------------------------------------------
|
|
void
|
|
nsPrintEngine::FirePrintCompletionEvent()
|
|
{
|
|
nsCOMPtr<nsIRunnable> event = new nsPrintCompletionEvent(mDocViewerPrint);
|
|
if (NS_FAILED(NS_DispatchToCurrentThread(event)))
|
|
NS_WARNING("failed to dispatch print completion event");
|
|
}
|
|
|
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//---------------------------------------------------------------
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//---------------------------------------------------------------
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//-- Debug helper routines
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//---------------------------------------------------------------
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//---------------------------------------------------------------
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#if (defined(XP_WIN) || defined(XP_OS2)) && defined(EXTENDED_DEBUG_PRINTING)
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#include "windows.h"
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#include "process.h"
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#include "direct.h"
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#define MY_FINDFIRST(a,b) FindFirstFile(a,b)
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#define MY_FINDNEXT(a,b) FindNextFile(a,b)
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#define ISDIR(a) (a.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
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#define MY_FINDCLOSE(a) FindClose(a)
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#define MY_FILENAME(a) a.cFileName
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#define MY_FILESIZE(a) (a.nFileSizeHigh * MAXDWORD) + a.nFileSizeLow
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int RemoveFilesInDir(const char * aDir)
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{
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WIN32_FIND_DATA data_ptr;
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HANDLE find_handle;
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char path[MAX_PATH];
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strcpy(path, aDir);
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// Append slash to the end of the directory names if not there
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if (path[strlen(path)-1] != '\\')
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strcat(path, "\\");
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char findPath[MAX_PATH];
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strcpy(findPath, path);
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strcat(findPath, "*.*");
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find_handle = MY_FINDFIRST(findPath, &data_ptr);
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if (find_handle != INVALID_HANDLE_VALUE) {
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do {
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if (ISDIR(data_ptr)
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&& (stricmp(MY_FILENAME(data_ptr),"."))
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&& (stricmp(MY_FILENAME(data_ptr),".."))) {
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// skip
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}
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else if (!ISDIR(data_ptr)) {
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if (!strncmp(MY_FILENAME(data_ptr), "print_dump", 10)) {
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char fileName[MAX_PATH];
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strcpy(fileName, aDir);
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strcat(fileName, "\\");
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strcat(fileName, MY_FILENAME(data_ptr));
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printf("Removing %s\n", fileName);
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remove(fileName);
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}
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}
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} while(MY_FINDNEXT(find_handle,&data_ptr));
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MY_FINDCLOSE(find_handle);
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}
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return TRUE;
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}
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#endif
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#ifdef EXTENDED_DEBUG_PRINTING
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/** ---------------------------------------------------
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* Dumps Frames for Printing
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*/
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static void RootFrameList(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent)
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{
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if (!aPresContext || !out)
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return;
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nsIPresShell *shell = aPresContext->GetPresShell();
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if (shell) {
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nsIFrame* frame = shell->FrameManager()->GetRootFrame();
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if (frame) {
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frame->List(aPresContext, out, aIndent);
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}
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}
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}
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/** ---------------------------------------------------
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* Dumps Frames for Printing
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*/
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static void DumpFrames(FILE* out,
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nsPresContext* aPresContext,
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nsRenderingContext * aRendContext,
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nsIFrame * aFrame,
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PRInt32 aLevel)
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{
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NS_ASSERTION(out, "Pointer is null!");
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NS_ASSERTION(aPresContext, "Pointer is null!");
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NS_ASSERTION(aRendContext, "Pointer is null!");
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NS_ASSERTION(aFrame, "Pointer is null!");
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nsIFrame* child = aFrame->GetFirstChild(nsnull);
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while (child != nsnull) {
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for (PRInt32 i=0;i<aLevel;i++) {
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fprintf(out, " ");
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}
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nsAutoString tmp;
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child->GetFrameName(tmp);
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fputs(NS_LossyConvertUTF16toASCII(tmp).get(), out);
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PRBool isSelected;
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if (NS_SUCCEEDED(child->IsVisibleForPainting(aPresContext, *aRendContext, PR_TRUE, &isSelected))) {
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fprintf(out, " %p %s", child, isSelected?"VIS":"UVS");
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nsRect rect = child->GetRect();
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fprintf(out, "[%d,%d,%d,%d] ", rect.x, rect.y, rect.width, rect.height);
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fprintf(out, "v: %p ", (void*)child->GetView());
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fprintf(out, "\n");
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DumpFrames(out, aPresContext, aRendContext, child, aLevel+1);
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child = child->GetNextSibling();
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}
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}
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}
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/** ---------------------------------------------------
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* Dumps the Views from the DocShell
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*/
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static void
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DumpViews(nsIDocShell* aDocShell, FILE* out)
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{
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NS_ASSERTION(aDocShell, "Pointer is null!");
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NS_ASSERTION(out, "Pointer is null!");
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if (nsnull != aDocShell) {
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fprintf(out, "docshell=%p \n", aDocShell);
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nsIPresShell* shell = nsPrintEngine::GetPresShellFor(aDocShell);
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if (shell) {
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nsIViewManager* vm = shell->GetViewManager();
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if (vm) {
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nsIView* root = vm->GetRootView();
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if (root) {
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root->List(out);
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}
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}
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}
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else {
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fputs("null pres shell\n", out);
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}
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// dump the views of the sub documents
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PRInt32 i, n;
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nsCOMPtr<nsIDocShellTreeNode> docShellAsNode(do_QueryInterface(aDocShell));
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docShellAsNode->GetChildCount(&n);
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for (i = 0; i < n; i++) {
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nsCOMPtr<nsIDocShellTreeItem> child;
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docShellAsNode->GetChildAt(i, getter_AddRefs(child));
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nsCOMPtr<nsIDocShell> childAsShell(do_QueryInterface(child));
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if (childAsShell) {
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DumpViews(childAsShell, out);
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}
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}
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}
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}
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/** ---------------------------------------------------
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* Dumps the Views and Frames
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*/
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void DumpLayoutData(char* aTitleStr,
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char* aURLStr,
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nsPresContext* aPresContext,
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nsDeviceContext * aDC,
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nsIFrame * aRootFrame,
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nsIDocShekk * aDocShell,
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FILE* aFD = nsnull)
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{
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if (!kPrintingLogMod || kPrintingLogMod->level != DUMP_LAYOUT_LEVEL) return;
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if (aPresContext == nsnull || aDC == nsnull) {
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return;
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}
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#ifdef NS_PRINT_PREVIEW
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if (aPresContext->Type() == nsPresContext::eContext_PrintPreview) {
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return;
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}
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#endif
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NS_ASSERTION(aRootFrame, "Pointer is null!");
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NS_ASSERTION(aDocShell, "Pointer is null!");
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// Dump all the frames and view to a a file
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char filename[256];
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sprintf(filename, "print_dump_layout_%d.txt", gDumpLOFileNameCnt++);
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FILE * fd = aFD?aFD:fopen(filename, "w");
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if (fd) {
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fprintf(fd, "Title: %s\n", aTitleStr?aTitleStr:"");
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fprintf(fd, "URL: %s\n", aURLStr?aURLStr:"");
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fprintf(fd, "--------------- Frames ----------------\n");
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fprintf(fd, "--------------- Frames ----------------\n");
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nsRefPtr<nsRenderingContext> renderingContext;
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aDC->CreateRenderingContext(*getter_AddRefs(renderingContext));
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RootFrameList(aPresContext, fd, 0);
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//DumpFrames(fd, aPresContext, renderingContext, aRootFrame, 0);
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fprintf(fd, "---------------------------------------\n\n");
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fprintf(fd, "--------------- Views From Root Frame----------------\n");
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nsIView* v = aRootFrame->GetView();
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if (v) {
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v->List(fd);
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} else {
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printf("View is null!\n");
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}
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if (aDocShell) {
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fprintf(fd, "--------------- All Views ----------------\n");
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DumpViews(aDocShell, fd);
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fprintf(fd, "---------------------------------------\n\n");
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}
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if (aFD == nsnull) {
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fclose(fd);
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}
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}
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}
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//-------------------------------------------------------------
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static void DumpPrintObjectsList(nsTArray<nsPrintObject*> * aDocList)
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{
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if (!kPrintingLogMod || kPrintingLogMod->level != DUMP_LAYOUT_LEVEL) return;
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NS_ASSERTION(aDocList, "Pointer is null!");
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const char types[][3] = {"DC", "FR", "IF", "FS"};
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PR_PL(("Doc List\n***************************************************\n"));
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PR_PL(("T P A H PO DocShell Seq Page Root Page# Rect\n"));
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PRInt32 cnt = aDocList->Length();
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for (PRInt32 i=0;i<cnt;i++) {
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nsPrintObject* po = aDocList->ElementAt(i);
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NS_ASSERTION(po, "nsPrintObject can't be null!");
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nsIFrame* rootFrame = nsnull;
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if (po->mPresShell) {
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rootFrame = po->mPresShell->FrameManager()->GetRootFrame();
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while (rootFrame != nsnull) {
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nsIPageSequenceFrame * sqf = do_QueryFrame(rootFrame);
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if (sqf) {
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break;
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}
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rootFrame = rootFrame->GetFirstChild(nsnull);
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}
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}
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PR_PL(("%s %d %d %d %p %p %p %p %p %d %d,%d,%d,%d\n", types[po->mFrameType],
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po->IsPrintable(), po->mPrintAsIs, po->mHasBeenPrinted, po, po->mDocShell.get(), po->mSeqFrame,
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po->mPageFrame, rootFrame, po->mPageNum, po->mRect.x, po->mRect.y, po->mRect.width, po->mRect.height));
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}
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}
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//-------------------------------------------------------------
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static void DumpPrintObjectsTree(nsPrintObject * aPO, int aLevel, FILE* aFD)
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{
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if (!kPrintingLogMod || kPrintingLogMod->level != DUMP_LAYOUT_LEVEL) return;
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NS_ASSERTION(aPO, "Pointer is null!");
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FILE * fd = aFD?aFD:stdout;
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const char types[][3] = {"DC", "FR", "IF", "FS"};
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if (aLevel == 0) {
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fprintf(fd, "DocTree\n***************************************************\n");
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fprintf(fd, "T PO DocShell Seq Page Page# Rect\n");
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}
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PRInt32 cnt = aPO->mKids.Length();
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for (PRInt32 i=0;i<cnt;i++) {
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nsPrintObject* po = aPO->mKids.ElementAt(i);
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NS_ASSERTION(po, "nsPrintObject can't be null!");
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for (PRInt32 k=0;k<aLevel;k++) fprintf(fd, " ");
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fprintf(fd, "%s %p %p %p %p %d %d,%d,%d,%d\n", types[po->mFrameType], po, po->mDocShell.get(), po->mSeqFrame,
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po->mPageFrame, po->mPageNum, po->mRect.x, po->mRect.y, po->mRect.width, po->mRect.height);
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}
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}
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//-------------------------------------------------------------
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static void GetDocTitleAndURL(nsPrintObject* aPO, char *& aDocStr, char *& aURLStr)
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{
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aDocStr = nsnull;
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aURLStr = nsnull;
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PRUnichar * docTitleStr;
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PRUnichar * docURLStr;
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nsPrintEngine::GetDisplayTitleAndURL(aPO,
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&docTitleStr, &docURLStr,
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nsPrintEngine::eDocTitleDefURLDoc);
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if (docTitleStr) {
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nsAutoString strDocTitle(docTitleStr);
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aDocStr = ToNewCString(strDocTitle);
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nsMemory::Free(docTitleStr);
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}
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if (docURLStr) {
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nsAutoString strURL(docURLStr);
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aURLStr = ToNewCString(strURL);
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nsMemory::Free(docURLStr);
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}
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}
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//-------------------------------------------------------------
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static void DumpPrintObjectsTreeLayout(nsPrintObject * aPO,
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nsDeviceContext * aDC,
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int aLevel, FILE * aFD)
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{
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if (!kPrintingLogMod || kPrintingLogMod->level != DUMP_LAYOUT_LEVEL) return;
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NS_ASSERTION(aPO, "Pointer is null!");
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NS_ASSERTION(aDC, "Pointer is null!");
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const char types[][3] = {"DC", "FR", "IF", "FS"};
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FILE * fd = nsnull;
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if (aLevel == 0) {
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fd = fopen("tree_layout.txt", "w");
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fprintf(fd, "DocTree\n***************************************************\n");
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fprintf(fd, "***************************************************\n");
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fprintf(fd, "T PO DocShell Seq Page Page# Rect\n");
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} else {
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fd = aFD;
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}
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if (fd) {
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nsIFrame* rootFrame = nsnull;
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if (aPO->mPresShell) {
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rootFrame = aPO->mPresShell->FrameManager()->GetRootFrame();
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}
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for (PRInt32 k=0;k<aLevel;k++) fprintf(fd, " ");
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fprintf(fd, "%s %p %p %p %p %d %d,%d,%d,%d\n", types[aPO->mFrameType], aPO, aPO->mDocShell.get(), aPO->mSeqFrame,
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aPO->mPageFrame, aPO->mPageNum, aPO->mRect.x, aPO->mRect.y, aPO->mRect.width, aPO->mRect.height);
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if (aPO->IsPrintable()) {
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char * docStr;
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char * urlStr;
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GetDocTitleAndURL(aPO, docStr, urlStr);
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DumpLayoutData(docStr, urlStr, aPO->mPresContext, aDC, rootFrame, aPO->mDocShell, fd);
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if (docStr) nsMemory::Free(docStr);
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if (urlStr) nsMemory::Free(urlStr);
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}
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fprintf(fd, "<***************************************************>\n");
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PRInt32 cnt = aPO->mKids.Length();
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for (PRInt32 i=0;i<cnt;i++) {
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nsPrintObject* po = aPO->mKids.ElementAt(i);
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NS_ASSERTION(po, "nsPrintObject can't be null!");
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DumpPrintObjectsTreeLayout(po, aDC, aLevel+1, fd);
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}
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}
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if (aLevel == 0 && fd) {
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fclose(fd);
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}
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}
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//-------------------------------------------------------------
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static void DumpPrintObjectsListStart(const char * aStr, nsTArray<nsPrintObject*> * aDocList)
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{
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if (!kPrintingLogMod || kPrintingLogMod->level != DUMP_LAYOUT_LEVEL) return;
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NS_ASSERTION(aStr, "Pointer is null!");
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NS_ASSERTION(aDocList, "Pointer is null!");
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PR_PL(("%s\n", aStr));
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DumpPrintObjectsList(aDocList);
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}
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#define DUMP_DOC_LIST(_title) DumpPrintObjectsListStart((_title), mPrt->mPrintDocList);
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#define DUMP_DOC_TREE DumpPrintObjectsTree(mPrt->mPrintObject);
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#define DUMP_DOC_TREELAYOUT DumpPrintObjectsTreeLayout(mPrt->mPrintObject, mPrt->mPrintDC);
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#else
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#define DUMP_DOC_LIST(_title)
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#define DUMP_DOC_TREE
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#define DUMP_DOC_TREELAYOUT
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#endif
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//---------------------------------------------------------------
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//---------------------------------------------------------------
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//-- End of debug helper routines
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//---------------------------------------------------------------
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