mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
901e02b2de
--HG-- rename : gfx/thebes/src/gfxSharedImageSurface.cpp => gfx/thebes/gfxSharedImageSurface.cpp rename : gfx/thebes/public/gfxSharedImageSurface.h => gfx/thebes/gfxSharedImageSurface.h
967 lines
29 KiB
C++
967 lines
29 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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* Travis Bogard <travis@netscape.com>
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* HÂkan Waara <hwaara@chello.se>
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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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/*
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* rendering object for replaced elements that contain a document, such
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* as <frame>, <iframe>, and some <object>s
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*/
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#include "nsCOMPtr.h"
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#include "nsLeafFrame.h"
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#include "nsGenericHTMLElement.h"
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#include "nsIDocShell.h"
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#include "nsIDocShellLoadInfo.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 "nsIBaseWindow.h"
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#include "nsIContentViewer.h"
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#include "nsIMarkupDocumentViewer.h"
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#include "nsPresContext.h"
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#include "nsIPresShell.h"
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#include "nsIComponentManager.h"
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#include "nsFrameManager.h"
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#include "nsIStreamListener.h"
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#include "nsIURL.h"
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#include "nsNetUtil.h"
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#include "nsIDocument.h"
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#include "nsIView.h"
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#include "nsIViewManager.h"
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#include "nsWidgetsCID.h"
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#include "nsViewsCID.h"
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#include "nsGkAtoms.h"
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#include "nsStyleCoord.h"
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#include "nsStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsFrameSetFrame.h"
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#include "nsIDOMHTMLFrameElement.h"
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#include "nsIDOMHTMLIFrameElement.h"
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#include "nsIDOMXULElement.h"
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#include "nsFrameLoader.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsXPIDLString.h"
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#include "nsIScrollable.h"
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#include "nsINameSpaceManager.h"
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#include "nsWeakReference.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMDocument.h"
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#include "nsIRenderingContext.h"
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#include "nsIFrameFrame.h"
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#include "nsAutoPtr.h"
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#include "nsIDOMNSHTMLDocument.h"
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#include "nsDisplayList.h"
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#include "nsUnicharUtils.h"
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#include "nsIReflowCallback.h"
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#include "nsIScrollableFrame.h"
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#include "nsIObjectLoadingContent.h"
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#include "nsLayoutUtils.h"
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#ifdef MOZ_XUL
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#include "nsXULPopupManager.h"
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#endif
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// For Accessibility
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#ifdef ACCESSIBILITY
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#include "nsIAccessibilityService.h"
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#endif
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#include "nsIServiceManager.h"
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class AsyncFrameInit;
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static NS_DEFINE_CID(kCChildCID, NS_CHILD_CID);
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/******************************************************************************
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* nsSubDocumentFrame
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*****************************************************************************/
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class nsSubDocumentFrame : public nsLeafFrame,
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public nsIFrameFrame,
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public nsIReflowCallback
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS
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nsSubDocumentFrame(nsStyleContext* aContext);
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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NS_DECL_QUERYFRAME
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virtual nsIAtom* GetType() const;
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virtual PRBool IsFrameOfType(PRUint32 aFlags) const
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{
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// nsLeafFrame is already eReplacedContainsBlock, but that's somewhat bogus
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return nsLeafFrame::IsFrameOfType(aFlags &
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~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
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}
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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virtual void DestroyFrom(nsIFrame* aDestructRoot);
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virtual nscoord GetMinWidth(nsIRenderingContext *aRenderingContext);
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virtual nscoord GetPrefWidth(nsIRenderingContext *aRenderingContext);
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virtual IntrinsicSize GetIntrinsicSize();
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virtual nsSize GetIntrinsicRatio();
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virtual nsSize ComputeAutoSize(nsIRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder,
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nsSize aPadding, PRBool aShrinkWrap);
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virtual nsSize ComputeSize(nsIRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder, nsSize aPadding,
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PRBool aShrinkWrap);
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType);
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// if the content is "visibility:hidden", then just hide the view
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// and all our contents. We don't extend "visibility:hidden" to
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// the child content ourselves, since it belongs to a different
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// document and CSS doesn't inherit in there.
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virtual PRBool SupportsVisibilityHidden() { return PR_FALSE; }
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#ifdef ACCESSIBILITY
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virtual already_AddRefed<nsAccessible> CreateAccessible();
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#endif
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// nsIFrameFrame
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NS_IMETHOD GetDocShell(nsIDocShell **aDocShell);
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NS_IMETHOD BeginSwapDocShells(nsIFrame* aOther);
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virtual void EndSwapDocShells(nsIFrame* aOther);
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virtual nsIFrame* GetFrame() { return this; }
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// nsIReflowCallback
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virtual PRBool ReflowFinished();
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virtual void ReflowCallbackCanceled();
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protected:
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friend class AsyncFrameInit;
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// Helper method to look up the HTML marginwidth & marginheight attributes
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nsIntSize GetMarginAttributes();
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nsFrameLoader* FrameLoader();
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PRBool IsInline() { return mIsInline; }
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nsIView* CreateViewAndWidget(nsContentType aContentType);
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virtual nscoord GetIntrinsicWidth();
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virtual nscoord GetIntrinsicHeight();
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virtual PRIntn GetSkipSides() const;
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// Hide or show our document viewer
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void HideViewer();
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void ShowViewer();
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/* Obtains the frame we should use for intrinsic size information if we are
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* an HTML <object>, <embed> or <applet> (a replaced element - not <iframe>)
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* and our sub-document has an intrinsic size. The frame returned is the
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* frame for the document element of the document we're embedding.
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*
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* Called "Obtain*" and not "Get*" because of comment on GetDocShell that
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* says it should be called ObtainDocShell because of it's side effects.
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*/
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nsIFrame* ObtainIntrinsicSizeFrame();
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nsRefPtr<nsFrameLoader> mFrameLoader;
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nsIView* mInnerView;
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PRPackedBool mIsInline;
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PRPackedBool mPostedReflowCallback;
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PRPackedBool mDidCreateDoc;
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PRPackedBool mCallingShow;
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};
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nsSubDocumentFrame::nsSubDocumentFrame(nsStyleContext* aContext)
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: nsLeafFrame(aContext)
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, mIsInline(PR_FALSE)
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, mPostedReflowCallback(PR_FALSE)
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, mDidCreateDoc(PR_FALSE)
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, mCallingShow(PR_FALSE)
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{
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}
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#ifdef ACCESSIBILITY
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already_AddRefed<nsAccessible>
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nsSubDocumentFrame::CreateAccessible()
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{
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nsCOMPtr<nsIAccessibilityService> accService = do_GetService("@mozilla.org/accessibilityService;1");
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return accService ?
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accService->CreateOuterDocAccessible(mContent, PresContext()->PresShell()) :
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nsnull;
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}
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#endif
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NS_QUERYFRAME_HEAD(nsSubDocumentFrame)
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NS_QUERYFRAME_ENTRY(nsIFrameFrame)
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NS_QUERYFRAME_TAIL_INHERITING(nsLeafFrame)
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class AsyncFrameInit : public nsRunnable
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{
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public:
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AsyncFrameInit(nsIFrame* aFrame) : mFrame(aFrame) {}
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NS_IMETHOD Run()
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{
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if (mFrame.IsAlive()) {
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static_cast<nsSubDocumentFrame*>(mFrame.GetFrame())->ShowViewer();
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}
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return NS_OK;
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}
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private:
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nsWeakFrame mFrame;
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};
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NS_IMETHODIMP
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nsSubDocumentFrame::Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow)
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{
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// determine if we are a <frame> or <iframe>
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if (aContent) {
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nsCOMPtr<nsIDOMHTMLFrameElement> frameElem = do_QueryInterface(aContent);
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mIsInline = frameElem ? PR_FALSE : PR_TRUE;
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}
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nsresult rv = nsLeafFrame::Init(aContent, aParent, aPrevInFlow);
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if (NS_FAILED(rv))
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return rv;
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// We are going to create an inner view. If we need a view for the
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// OuterFrame but we wait for the normal view creation path in
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// nsCSSFrameConstructor, then we will lose because the inner view's
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// parent will already have been set to some outer view (e.g., the
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// canvas) when it really needs to have this frame's view as its
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// parent. So, create this frame's view right away, whether we
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// really need it or not, and the inner view will get it as the
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// parent.
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if (!HasView()) {
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rv = nsHTMLContainerFrame::CreateViewForFrame(this, PR_TRUE);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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nsIView* view = GetView();
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if (aParent->GetStyleDisplay()->mDisplay == NS_STYLE_DISPLAY_DECK
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&& !view->HasWidget()) {
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view->CreateWidget(kCChildCID);
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}
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// Set the primary frame now so that
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// DocumentViewerImpl::FindContainerView called by ShowViewer below
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// can find it if necessary.
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aContent->SetPrimaryFrame(this);
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nsContentUtils::AddScriptRunner(new AsyncFrameInit(this));
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return NS_OK;
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}
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inline PRInt32 ConvertOverflow(PRUint8 aOverflow)
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{
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switch (aOverflow) {
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case NS_STYLE_OVERFLOW_VISIBLE:
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case NS_STYLE_OVERFLOW_AUTO:
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return nsIScrollable::Scrollbar_Auto;
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case NS_STYLE_OVERFLOW_HIDDEN:
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case NS_STYLE_OVERFLOW_CLIP:
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return nsIScrollable::Scrollbar_Never;
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case NS_STYLE_OVERFLOW_SCROLL:
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return nsIScrollable::Scrollbar_Always;
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}
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NS_NOTREACHED("invalid overflow value passed to ConvertOverflow");
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return nsIScrollable::Scrollbar_Auto;
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}
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void
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nsSubDocumentFrame::ShowViewer()
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{
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if (mCallingShow) {
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return;
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}
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if (!PresContext()->IsDynamic()) {
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// We let the printing code take care of loading the document; just
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// create a widget for it to use
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(void) CreateViewAndWidget(eContentTypeContent);
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} else {
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nsRefPtr<nsFrameLoader> frameloader = FrameLoader();
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if (frameloader) {
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nsIntSize margin = GetMarginAttributes();
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const nsStyleDisplay* disp = GetStyleDisplay();
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nsWeakFrame weakThis(this);
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mCallingShow = PR_TRUE;
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PRBool didCreateDoc =
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frameloader->Show(margin.width, margin.height,
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ConvertOverflow(disp->mOverflowX),
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ConvertOverflow(disp->mOverflowY),
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this);
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if (!weakThis.IsAlive()) {
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return;
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}
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mCallingShow = PR_FALSE;
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mDidCreateDoc = didCreateDoc;
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}
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}
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}
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PRIntn
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nsSubDocumentFrame::GetSkipSides() const
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{
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return 0;
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}
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NS_IMETHODIMP
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nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists)
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{
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if (!IsVisibleForPainting(aBuilder))
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return NS_OK;
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if (aBuilder->IsForEventDelivery() &&
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GetStyleVisibility()->mPointerEvents == NS_STYLE_POINTER_EVENTS_NONE)
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return NS_OK;
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nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
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NS_ENSURE_SUCCESS(rv, rv);
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if (!mInnerView)
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return NS_OK;
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nsIView* subdocView = mInnerView->GetFirstChild();
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if (!subdocView)
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return NS_OK;
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nsCOMPtr<nsIPresShell> presShell;
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nsIFrame* f = static_cast<nsIFrame*>(subdocView->GetClientData());
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if (f) {
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presShell = f->PresContext()->PresShell();
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} else {
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// During page transition mInnerView will sometimes have two children, the
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// first being the new page that may not have any frame, and the second
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// being the old page that will probably have a frame.
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nsIView* nextView = subdocView->GetNextSibling();
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if (nextView) {
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f = static_cast<nsIFrame*>(nextView->GetClientData());
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}
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if (f) {
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subdocView = nextView;
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presShell = f->PresContext()->PresShell();
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} else {
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// If we don't have a frame we use this roundabout way to get the pres shell.
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if (!mFrameLoader)
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return NS_OK;
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nsCOMPtr<nsIDocShell> docShell;
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mFrameLoader->GetDocShell(getter_AddRefs(docShell));
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if (!docShell)
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return NS_OK;
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docShell->GetPresShell(getter_AddRefs(presShell));
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if (!presShell)
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return NS_OK;
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}
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}
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nsDisplayList childItems;
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nsRect dirty;
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if (f) {
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dirty = aDirtyRect - f->GetOffsetTo(this);
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aBuilder->EnterPresShell(f, dirty);
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}
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// Get the bounds of subdocView relative to the reference frame.
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nsRect shellBounds = subdocView->GetBounds() +
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mInnerView->GetPosition() +
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GetOffsetTo(aBuilder->ReferenceFrame());
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if (!aBuilder->IsForEventDelivery()) {
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// Add the canvas background color.
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rv = presShell->AddCanvasBackgroundColorItem(
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*aBuilder, childItems, f ? f : this, &shellBounds, NS_RGBA(0,0,0,0),
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PR_TRUE);
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}
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if (f && NS_SUCCEEDED(rv)) {
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rv = f->BuildDisplayListForStackingContext(aBuilder, dirty, &childItems);
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}
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if (NS_SUCCEEDED(rv)) {
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// Clip children to the child root frame's rectangle
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rv = aLists.Content()->AppendNewToTop(
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new (aBuilder) nsDisplayClip(this, this, &childItems, shellBounds));
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}
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// delete childItems in case of OOM
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childItems.DeleteAll();
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if (f) {
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aBuilder->LeavePresShell(f, dirty);
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}
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return rv;
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}
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nscoord
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nsSubDocumentFrame::GetIntrinsicWidth()
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{
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if (!IsInline()) {
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return 0; // HTML <frame> has no useful intrinsic width
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}
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if (mContent->IsXUL()) {
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return 0; // XUL <iframe> and <browser> have no useful intrinsic width
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}
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NS_ASSERTION(ObtainIntrinsicSizeFrame() == nsnull,
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"Intrinsic width should come from the embedded document.");
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// We must be an HTML <iframe>. Default to a width of 300, for IE
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// compat (and per CSS2.1 draft).
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return nsPresContext::CSSPixelsToAppUnits(300);
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}
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nscoord
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nsSubDocumentFrame::GetIntrinsicHeight()
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{
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// <frame> processing does not use this routine, only <iframe>
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NS_ASSERTION(IsInline(), "Shouldn't have been called");
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if (mContent->IsXUL()) {
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return 0;
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}
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NS_ASSERTION(ObtainIntrinsicSizeFrame() == nsnull,
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"Intrinsic height should come from the embedded document.");
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// Use 150px, for compatibility with IE, and per CSS2.1 draft.
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return nsPresContext::CSSPixelsToAppUnits(150);
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}
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#ifdef DEBUG
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NS_IMETHODIMP nsSubDocumentFrame::GetFrameName(nsAString& aResult) const
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{
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return MakeFrameName(NS_LITERAL_STRING("FrameOuter"), aResult);
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}
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#endif
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nsIAtom*
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nsSubDocumentFrame::GetType() const
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{
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return nsGkAtoms::subDocumentFrame;
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}
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/* virtual */ nscoord
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nsSubDocumentFrame::GetMinWidth(nsIRenderingContext *aRenderingContext)
|
|
{
|
|
nscoord result;
|
|
DISPLAY_MIN_WIDTH(this, result);
|
|
|
|
nsIFrame* subDocRoot = ObtainIntrinsicSizeFrame();
|
|
if (subDocRoot) {
|
|
result = subDocRoot->GetMinWidth(aRenderingContext);
|
|
} else {
|
|
result = GetIntrinsicWidth();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/* virtual */ nscoord
|
|
nsSubDocumentFrame::GetPrefWidth(nsIRenderingContext *aRenderingContext)
|
|
{
|
|
nscoord result;
|
|
DISPLAY_PREF_WIDTH(this, result);
|
|
|
|
nsIFrame* subDocRoot = ObtainIntrinsicSizeFrame();
|
|
if (subDocRoot) {
|
|
result = subDocRoot->GetPrefWidth(aRenderingContext);
|
|
} else {
|
|
result = GetIntrinsicWidth();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/* virtual */ nsIFrame::IntrinsicSize
|
|
nsSubDocumentFrame::GetIntrinsicSize()
|
|
{
|
|
nsIFrame* subDocRoot = ObtainIntrinsicSizeFrame();
|
|
if (subDocRoot) {
|
|
return subDocRoot->GetIntrinsicSize();
|
|
}
|
|
return nsLeafFrame::GetIntrinsicSize();
|
|
}
|
|
|
|
/* virtual */ nsSize
|
|
nsSubDocumentFrame::GetIntrinsicRatio()
|
|
{
|
|
nsIFrame* subDocRoot = ObtainIntrinsicSizeFrame();
|
|
if (subDocRoot) {
|
|
return subDocRoot->GetIntrinsicRatio();
|
|
}
|
|
return nsLeafFrame::GetIntrinsicRatio();
|
|
}
|
|
|
|
/* virtual */ nsSize
|
|
nsSubDocumentFrame::ComputeAutoSize(nsIRenderingContext *aRenderingContext,
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
nsSize aMargin, nsSize aBorder,
|
|
nsSize aPadding, PRBool aShrinkWrap)
|
|
{
|
|
if (!IsInline()) {
|
|
return nsFrame::ComputeAutoSize(aRenderingContext, aCBSize,
|
|
aAvailableWidth, aMargin, aBorder,
|
|
aPadding, aShrinkWrap);
|
|
}
|
|
|
|
return nsLeafFrame::ComputeAutoSize(aRenderingContext, aCBSize,
|
|
aAvailableWidth, aMargin, aBorder,
|
|
aPadding, aShrinkWrap);
|
|
}
|
|
|
|
|
|
/* virtual */ nsSize
|
|
nsSubDocumentFrame::ComputeSize(nsIRenderingContext *aRenderingContext,
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
nsSize aMargin, nsSize aBorder, nsSize aPadding,
|
|
PRBool aShrinkWrap)
|
|
{
|
|
nsIFrame* subDocRoot = ObtainIntrinsicSizeFrame();
|
|
if (subDocRoot) {
|
|
return nsLayoutUtils::ComputeSizeWithIntrinsicDimensions(
|
|
aRenderingContext, this,
|
|
subDocRoot->GetIntrinsicSize(),
|
|
subDocRoot->GetIntrinsicRatio(),
|
|
aCBSize, aMargin, aBorder, aPadding);
|
|
}
|
|
return nsLeafFrame::ComputeSize(aRenderingContext, aCBSize, aAvailableWidth,
|
|
aMargin, aBorder, aPadding, aShrinkWrap);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsSubDocumentFrame::Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
DO_GLOBAL_REFLOW_COUNT("nsSubDocumentFrame");
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
|
// printf("OuterFrame::Reflow %X (%d,%d) \n", this, aReflowState.availableWidth, aReflowState.availableHeight);
|
|
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
|
|
("enter nsSubDocumentFrame::Reflow: maxSize=%d,%d",
|
|
aReflowState.availableWidth, aReflowState.availableHeight));
|
|
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
|
|
NS_ASSERTION(mContent->GetPrimaryFrame() == this,
|
|
"Shouldn't happen");
|
|
|
|
// "offset" is the offset of our content area from our frame's
|
|
// top-left corner.
|
|
nsPoint offset(0, 0);
|
|
|
|
if (IsInline()) {
|
|
// XUL <iframe> or <browser>, or HTML <iframe>, <object> or <embed>
|
|
nsresult rv = nsLeafFrame::DoReflow(aPresContext, aDesiredSize, aReflowState,
|
|
aStatus);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
offset = nsPoint(aReflowState.mComputedBorderPadding.left,
|
|
aReflowState.mComputedBorderPadding.top);
|
|
} else {
|
|
// HTML <frame>
|
|
SizeToAvailSize(aReflowState, aDesiredSize);
|
|
}
|
|
|
|
nsSize innerSize(aDesiredSize.width, aDesiredSize.height);
|
|
if (IsInline()) {
|
|
innerSize.width -= aReflowState.mComputedBorderPadding.LeftRight();
|
|
innerSize.height -= aReflowState.mComputedBorderPadding.TopBottom();
|
|
}
|
|
|
|
if (mInnerView) {
|
|
nsIViewManager* vm = mInnerView->GetViewManager();
|
|
vm->MoveViewTo(mInnerView, offset.x, offset.y);
|
|
vm->ResizeView(mInnerView, nsRect(nsPoint(0, 0), innerSize), PR_TRUE);
|
|
}
|
|
|
|
// Determine if we need to repaint our border, background or outline
|
|
CheckInvalidateSizeChange(aDesiredSize);
|
|
|
|
FinishAndStoreOverflow(&aDesiredSize);
|
|
|
|
// Invalidate the frame contents
|
|
// XXX is this really needed?
|
|
nsRect rect(nsPoint(0, 0), GetSize());
|
|
Invalidate(rect);
|
|
|
|
if (!aPresContext->IsPaginated() && !mPostedReflowCallback) {
|
|
PresContext()->PresShell()->PostReflowCallback(this);
|
|
mPostedReflowCallback = PR_TRUE;
|
|
}
|
|
|
|
// printf("OuterFrame::Reflow DONE %X (%d,%d)\n", this,
|
|
// aDesiredSize.width, aDesiredSize.height);
|
|
|
|
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
|
|
("exit nsSubDocumentFrame::Reflow: size=%d,%d status=%x",
|
|
aDesiredSize.width, aDesiredSize.height, aStatus));
|
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
|
return NS_OK;
|
|
}
|
|
|
|
PRBool
|
|
nsSubDocumentFrame::ReflowFinished()
|
|
{
|
|
if (mFrameLoader) {
|
|
nsWeakFrame weakFrame(this);
|
|
|
|
mFrameLoader->UpdatePositionAndSize(this);
|
|
|
|
if (weakFrame.IsAlive()) {
|
|
// Make sure that we can post a reflow callback in the future.
|
|
mPostedReflowCallback = PR_FALSE;
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
void
|
|
nsSubDocumentFrame::ReflowCallbackCanceled()
|
|
{
|
|
mPostedReflowCallback = PR_FALSE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsSubDocumentFrame::AttributeChanged(PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aModType)
|
|
{
|
|
if (aNameSpaceID != kNameSpaceID_None) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// If the noResize attribute changes, dis/allow frame to be resized
|
|
if (aAttribute == nsGkAtoms::noresize) {
|
|
// Note that we're not doing content type checks, but that's ok -- if
|
|
// they'd fail we will just end up with a null framesetFrame.
|
|
if (mContent->GetParent()->Tag() == nsGkAtoms::frameset) {
|
|
nsIFrame* parentFrame = GetParent();
|
|
|
|
if (parentFrame) {
|
|
// There is no interface for nsHTMLFramesetFrame so QI'ing to
|
|
// concrete class, yay!
|
|
nsHTMLFramesetFrame* framesetFrame = do_QueryFrame(parentFrame);
|
|
if (framesetFrame) {
|
|
framesetFrame->RecalculateBorderResize();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (aAttribute == nsGkAtoms::type) {
|
|
if (!mFrameLoader)
|
|
return NS_OK;
|
|
|
|
if (!mContent->IsXUL()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// Note: This logic duplicates a lot of logic in
|
|
// nsFrameLoader::EnsureDocShell. We should fix that.
|
|
|
|
// Notify our enclosing chrome that our type has changed. We only do this
|
|
// if our parent is chrome, since in all other cases we're random content
|
|
// subframes and the treeowner shouldn't worry about us.
|
|
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
mFrameLoader->GetDocShell(getter_AddRefs(docShell));
|
|
nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(do_QueryInterface(docShell));
|
|
if (!docShellAsItem) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> parentItem;
|
|
docShellAsItem->GetParent(getter_AddRefs(parentItem));
|
|
|
|
PRInt32 parentType;
|
|
parentItem->GetItemType(&parentType);
|
|
|
|
if (parentType != nsIDocShellTreeItem::typeChrome) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner;
|
|
parentItem->GetTreeOwner(getter_AddRefs(parentTreeOwner));
|
|
if (parentTreeOwner) {
|
|
nsAutoString value;
|
|
mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::type, value);
|
|
|
|
PRBool is_primary = value.LowerCaseEqualsLiteral("content-primary");
|
|
|
|
#ifdef MOZ_XUL
|
|
// when a content panel is no longer primary, hide any open popups it may have
|
|
if (!is_primary) {
|
|
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
|
|
if (pm)
|
|
pm->HidePopupsInDocShell(docShellAsItem);
|
|
}
|
|
#endif
|
|
|
|
parentTreeOwner->ContentShellRemoved(docShellAsItem);
|
|
|
|
if (value.LowerCaseEqualsLiteral("content") ||
|
|
StringBeginsWith(value, NS_LITERAL_STRING("content-"),
|
|
nsCaseInsensitiveStringComparator())) {
|
|
PRBool is_targetable = is_primary ||
|
|
value.LowerCaseEqualsLiteral("content-targetable");
|
|
|
|
parentTreeOwner->ContentShellAdded(docShellAsItem, is_primary,
|
|
is_targetable, value);
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsIFrame*
|
|
NS_NewSubDocumentFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
|
|
{
|
|
return new (aPresShell) nsSubDocumentFrame(aContext);
|
|
}
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(nsSubDocumentFrame)
|
|
|
|
void
|
|
nsSubDocumentFrame::DestroyFrom(nsIFrame* aDestructRoot)
|
|
{
|
|
if (mPostedReflowCallback) {
|
|
PresContext()->PresShell()->CancelReflowCallback(this);
|
|
mPostedReflowCallback = PR_FALSE;
|
|
}
|
|
|
|
HideViewer();
|
|
|
|
nsLeafFrame::DestroyFrom(aDestructRoot);
|
|
}
|
|
|
|
void
|
|
nsSubDocumentFrame::HideViewer()
|
|
{
|
|
if (mFrameLoader && (mDidCreateDoc || mCallingShow))
|
|
mFrameLoader->Hide();
|
|
}
|
|
|
|
nsIntSize
|
|
nsSubDocumentFrame::GetMarginAttributes()
|
|
{
|
|
nsIntSize result(-1, -1);
|
|
nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent);
|
|
if (content) {
|
|
const nsAttrValue* attr = content->GetParsedAttr(nsGkAtoms::marginwidth);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger)
|
|
result.width = attr->GetIntegerValue();
|
|
attr = content->GetParsedAttr(nsGkAtoms::marginheight);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger)
|
|
result.height = attr->GetIntegerValue();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
nsFrameLoader*
|
|
nsSubDocumentFrame::FrameLoader()
|
|
{
|
|
nsIContent* content = GetContent();
|
|
if (!content)
|
|
return nsnull;
|
|
|
|
if (!mFrameLoader) {
|
|
nsCOMPtr<nsIFrameLoaderOwner> loaderOwner = do_QueryInterface(content);
|
|
if (loaderOwner) {
|
|
nsCOMPtr<nsIFrameLoader> loader;
|
|
loaderOwner->GetFrameLoader(getter_AddRefs(loader));
|
|
mFrameLoader = static_cast<nsFrameLoader*>(loader.get());
|
|
}
|
|
}
|
|
return mFrameLoader;
|
|
}
|
|
|
|
// XXX this should be called ObtainDocShell or something like that,
|
|
// to indicate that it could have side effects
|
|
NS_IMETHODIMP
|
|
nsSubDocumentFrame::GetDocShell(nsIDocShell **aDocShell)
|
|
{
|
|
*aDocShell = nsnull;
|
|
|
|
NS_ENSURE_STATE(FrameLoader());
|
|
return mFrameLoader->GetDocShell(aDocShell);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsSubDocumentFrame::BeginSwapDocShells(nsIFrame* aOther)
|
|
{
|
|
if (!aOther || aOther->GetType() != nsGkAtoms::subDocumentFrame) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsSubDocumentFrame* other = static_cast<nsSubDocumentFrame*>(aOther);
|
|
if (!mFrameLoader || !mDidCreateDoc || mCallingShow ||
|
|
!other->mFrameLoader || !other->mDidCreateDoc) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
HideViewer();
|
|
other->HideViewer();
|
|
|
|
mFrameLoader.swap(other->mFrameLoader);
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsSubDocumentFrame::EndSwapDocShells(nsIFrame* aOther)
|
|
{
|
|
nsSubDocumentFrame* other = static_cast<nsSubDocumentFrame*>(aOther);
|
|
nsWeakFrame weakThis(this);
|
|
nsWeakFrame weakOther(aOther);
|
|
ShowViewer();
|
|
other->ShowViewer();
|
|
|
|
// Now make sure we reflow both frames, in case their contents
|
|
// determine their size.
|
|
// And repaint them, for good measure, in case there's nothing
|
|
// interesting that happens during reflow.
|
|
if (weakThis.IsAlive()) {
|
|
PresContext()->PresShell()->
|
|
FrameNeedsReflow(this, nsIPresShell::eTreeChange, NS_FRAME_IS_DIRTY);
|
|
InvalidateOverflowRect();
|
|
}
|
|
if (weakOther.IsAlive()) {
|
|
other->PresContext()->PresShell()->
|
|
FrameNeedsReflow(other, nsIPresShell::eTreeChange, NS_FRAME_IS_DIRTY);
|
|
other->InvalidateOverflowRect();
|
|
}
|
|
}
|
|
|
|
nsIView*
|
|
nsSubDocumentFrame::CreateViewAndWidget(nsContentType aContentType)
|
|
{
|
|
if (mInnerView) {
|
|
// Nothing to do here
|
|
return mInnerView;
|
|
}
|
|
|
|
// create, init, set the parent of the view
|
|
nsIView* outerView = GetView();
|
|
NS_ASSERTION(outerView, "Must have an outer view already");
|
|
nsRect viewBounds(0, 0, 0, 0); // size will be fixed during reflow
|
|
|
|
nsIViewManager* viewMan = outerView->GetViewManager();
|
|
nsIView* innerView = viewMan->CreateView(viewBounds, outerView);
|
|
if (!innerView) {
|
|
NS_ERROR("Could not create inner view");
|
|
return nsnull;
|
|
}
|
|
mInnerView = innerView;
|
|
viewMan->InsertChild(outerView, innerView, nsnull, PR_TRUE);
|
|
|
|
if (aContentType != eContentTypeContentFrame) {
|
|
// widget needed.
|
|
nsresult rv = innerView->CreateWidget(kCChildCID, nsnull, nsnull,
|
|
PR_TRUE, PR_TRUE, aContentType);
|
|
if (NS_FAILED(rv)) {
|
|
NS_WARNING("Couldn't create widget for frame.");
|
|
mInnerView = nsnull;
|
|
}
|
|
}
|
|
return mInnerView;
|
|
}
|
|
|
|
nsIFrame*
|
|
nsSubDocumentFrame::ObtainIntrinsicSizeFrame()
|
|
{
|
|
nsCOMPtr<nsIObjectLoadingContent> olc = do_QueryInterface(GetContent());
|
|
if (olc) {
|
|
// We are an HTML <object>, <embed> or <applet> (a replaced element).
|
|
|
|
// Try to get an nsIFrame for our sub-document's document element
|
|
nsIFrame* subDocRoot = nsnull;
|
|
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
GetDocShell(getter_AddRefs(docShell));
|
|
if (docShell) {
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
docShell->GetPresShell(getter_AddRefs(presShell));
|
|
if (presShell) {
|
|
nsIScrollableFrame* scrollable = presShell->GetRootScrollFrameAsScrollable();
|
|
if (scrollable) {
|
|
nsIFrame* scrolled = scrollable->GetScrolledFrame();
|
|
if (scrolled) {
|
|
subDocRoot = scrolled->GetFirstChild(nsnull);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef MOZ_SVG
|
|
if (subDocRoot && subDocRoot->GetContent() &&
|
|
subDocRoot->GetContent()->NodeInfo()->Equals(nsGkAtoms::svg, kNameSpaceID_SVG)) {
|
|
return subDocRoot; // SVG documents have an intrinsic size
|
|
}
|
|
#endif
|
|
}
|
|
return nsnull;
|
|
}
|