gecko/layout/generic/nsSimplePageSequence.h

177 lines
6.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsSimplePageSequence_h___
#define nsSimplePageSequence_h___
#include "nsIPageSequenceFrame.h"
#include "nsContainerFrame.h"
#include "nsIPrintSettings.h"
#include "nsIPrintOptions.h"
#include "nsIDateTimeFormat.h"
//-----------------------------------------------
// This class maintains all the data that
// is used by all the page frame
// It lives while the nsSimplePageSequenceFrame lives
class nsSharedPageData {
public:
nsSharedPageData();
~nsSharedPageData();
PRUnichar * mDateTimeStr;
nsFont * mHeadFootFont;
PRUnichar * mPageNumFormat;
PRUnichar * mPageNumAndTotalsFormat;
PRUnichar * mDocTitle;
PRUnichar * mDocURL;
nsSize mReflowSize;
nsMargin mReflowMargin;
// shadow of page in PrintPreview; drawn around bottom and right edges
nsSize mShadowSize;
// Extra Margin between the device area and the edge of the page;
// approximates unprintable area
nsMargin mExtraMargin;
// Margin for headers and footers; it defaults to 4/100 of an inch on UNIX
// and 0 elsewhere; I think it has to do with some inconsistency in page size
// computations
nsMargin mEdgePaperMargin;
nsCOMPtr<nsIPrintSettings> mPrintSettings;
nsCOMPtr<nsIPrintOptions> mPrintOptions;
nscoord mPageContentXMost; // xmost size from Reflow(width)
nscoord mPageContentSize; // constrained size (width)
};
// Simple page sequence frame class. Used when we're in paginated mode
class nsSimplePageSequenceFrame : public nsContainerFrame,
public nsIPageSequenceFrame {
public:
friend nsIFrame* NS_NewSimplePageSequenceFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
// nsIFrame
NS_IMETHOD Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aMaxSize,
nsReflowStatus& aStatus);
NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists);
// nsIPageSequenceFrame
NS_IMETHOD SetPageNo(PRInt32 aPageNo) { return NS_OK;}
NS_IMETHOD SetSelectionHeight(nscoord aYOffset, nscoord aHeight) { mYSelOffset = aYOffset; mSelectionHeight = aHeight; return NS_OK; }
NS_IMETHOD SetTotalNumPages(PRInt32 aTotal) { mTotalPages = aTotal; return NS_OK; }
// Gets the dead space (the gray area) around the Print Preview Page
NS_IMETHOD GetDeadSpaceValue(nscoord* aValue) { *aValue = NS_INCHES_TO_INT_TWIPS(0.25); return NS_OK; }
// For Shrink To Fit
NS_IMETHOD GetSTFPercent(float& aSTFPercent);
// Async Printing
NS_IMETHOD StartPrint(nsPresContext* aPresContext,
nsIPrintSettings* aPrintSettings,
PRUnichar* aDocTitle,
PRUnichar* aDocURL);
NS_IMETHOD PrintNextPage();
NS_IMETHOD GetCurrentPageNum(PRInt32* aPageNum);
NS_IMETHOD GetNumPages(PRInt32* aNumPages);
NS_IMETHOD IsDoingPrintRange(PRBool* aDoing);
NS_IMETHOD GetPrintRange(PRInt32* aFromPage, PRInt32* aToPage);
NS_IMETHOD DoPageEnd();
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::sequenceFrame
*/
virtual nsIAtom* GetType() const;
#ifdef NS_DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const;
#endif
void PaintPageSequence(nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsPoint aPt);
protected:
nsSimplePageSequenceFrame(nsStyleContext* aContext);
virtual ~nsSimplePageSequenceFrame();
void SetPageNumberFormat(const char* aPropName, const char* aDefPropVal, PRBool aPageNumOnly);
// SharedPageData Helper methods
void SetDateTimeStr(PRUnichar * aDateTimeStr);
void SetPageNumberFormat(PRUnichar * aFormatStr, PRBool aForPageNumOnly);
nsMargin mMargin;
// I18N date formatter service which we'll want to cache locally.
nsCOMPtr<nsIDateTimeFormat> mDateFormatter;
nsSize mSize;
nsSharedPageData* mPageData; // data shared by all the nsPageFrames
// Asynch Printing
nsIFrame * mCurrentPageFrame;
PRInt32 mPageNum;
PRInt32 mTotalPages;
PRInt32 mPrintRangeType;
PRInt32 mFromPageNum;
PRInt32 mToPageNum;
// Selection Printing Info
nscoord mSelectionHeight;
nscoord mYSelOffset;
// Asynch Printing
PRPackedBool mPrintThisPage;
PRPackedBool mDoingPageRange;
PRPackedBool mIsPrintingSelection;
};
#endif /* nsSimplePageSequence_h___ */