зеркало из https://github.com/mozilla/gecko-dev.git
200 строки
7.4 KiB
C++
200 строки
7.4 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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*
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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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#ifndef nsSimplePageSequence_h___
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#define nsSimplePageSequence_h___
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#include "nsIPageSequenceFrame.h"
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#include "nsContainerFrame.h"
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#include "nsIPrintSettings.h"
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#include "nsIPrintOptions.h"
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#include "nsIDateTimeFormat.h"
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//-----------------------------------------------
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// This class maintains all the data that
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// is used by all the page frame
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// It lives while the nsSimplePageSequenceFrame lives
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class nsSharedPageData {
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public:
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nsSharedPageData();
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~nsSharedPageData();
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PRUnichar * mDateTimeStr;
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nsFont * mHeadFootFont;
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PRUnichar * mPageNumFormat;
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PRUnichar * mPageNumAndTotalsFormat;
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PRUnichar * mDocTitle;
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PRUnichar * mDocURL;
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nsRect mReflowRect;
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nsMargin mReflowMargin;
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nsSize mShadowSize; // shadow of page in PrintPreview
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nsMargin mDeadSpaceMargin; // Extra dead space around outside of Page in PrintPreview
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nsMargin mExtraMargin; // Extra Margin between the printable area and the edge of the page
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nsMargin mEdgePaperMargin; // In twips, gap between the Margin and edge of page
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nsCOMPtr<nsIPrintSettings> mPrintSettings;
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nsCOMPtr<nsIPrintOptions> mPrintOptions;
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nscoord mPageContentXMost; // xmost size from Reflow(width)
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nscoord mPageContentSize; // constrained size (width)
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};
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// Simple page sequence frame class. Used when we're in paginated mode
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class nsSimplePageSequenceFrame : public nsContainerFrame,
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public nsIPageSequenceFrame {
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public:
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friend nsresult NS_NewSimplePageSequenceFrame(nsIPresShell* aPresShell, nsIFrame** aResult);
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// nsISupports
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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// nsIFrameReflow
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aMaxSize,
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nsReflowStatus& aStatus);
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NS_IMETHOD Paint(nsPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer);
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// nsIPageSequenceFrame
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NS_IMETHOD SetOffsets(nscoord aStartOffset, nscoord aEndOffset);
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NS_IMETHOD SetPageNo(PRInt32 aPageNo) { return NS_OK;}
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NS_IMETHOD SetSelectionHeight(nscoord aYOffset, nscoord aHeight) { mYSelOffset = aYOffset; mSelectionHeight = aHeight; return NS_OK; }
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NS_IMETHOD SetTotalNumPages(PRInt32 aTotal) { mTotalPages = aTotal; return NS_OK; }
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// Gets the dead space (the gray area) around the Print Preview Page
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NS_IMETHOD GetDeadSpaceValue(nscoord* aValue) { *aValue = NS_INCHES_TO_TWIPS(0.25); return NS_OK; };
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// For Shrink To Fit
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NS_IMETHOD GetSTFPercent(float& aSTFPercent);
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// Async Printing
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NS_IMETHOD StartPrint(nsPresContext* aPresContext,
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nsIPrintSettings* aPrintSettings,
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PRUnichar* aDocTitle,
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PRUnichar* aDocURL);
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NS_IMETHOD PrintNextPage(nsPresContext* aPresContext);
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NS_IMETHOD GetCurrentPageNum(PRInt32* aPageNum);
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NS_IMETHOD GetNumPages(PRInt32* aNumPages);
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NS_IMETHOD IsDoingPrintRange(PRBool* aDoing);
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NS_IMETHOD GetPrintRange(PRInt32* aFromPage, PRInt32* aToPage);
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NS_IMETHOD SkipPageBegin() { mSkipPageBegin = PR_TRUE; return NS_OK; }
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NS_IMETHOD SkipPageEnd() { mSkipPageEnd = PR_TRUE; return NS_OK; }
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NS_IMETHOD DoPageEnd(nsPresContext* aPresContext);
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NS_IMETHOD GetPrintThisPage(PRBool* aPrintThisPage) { *aPrintThisPage = mPrintThisPage; return NS_OK; }
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NS_IMETHOD SetOffset(nscoord aX, nscoord aY) { mOffsetX = aX; mOffsetY = aY; return NS_OK; }
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NS_IMETHOD SuppressHeadersAndFooters(PRBool aDoSup);
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NS_IMETHOD SetClipRect(nsPresContext* aPresContext, nsRect* aSize);
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/**
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* Get the "type" of the frame
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*
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* @see nsLayoutAtoms::sequenceFrame
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*/
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virtual nsIAtom* GetType() const;
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#ifdef NS_DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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protected:
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nsSimplePageSequenceFrame();
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virtual ~nsSimplePageSequenceFrame();
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nsresult CreateContinuingPageFrame(nsPresContext* aPresContext,
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nsIFrame* aPageFrame,
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nsIFrame** aContinuingFrame);
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void SetPageNumberFormat(const char* aPropName, const char* aDefPropVal, PRBool aPageNumOnly);
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// SharedPageData Helper methods
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void SetDateTimeStr(PRUnichar * aDateTimeStr);
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void SetPageNumberFormat(PRUnichar * aFormatStr, PRBool aForPageNumOnly);
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void SetPageSizes(const nsRect& aRect, const nsMargin& aMarginRect);
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void GetEdgePaperMarginCoord(char* aPrefName, nscoord& aCoord);
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void GetEdgePaperMargin(nsMargin& aMargin);
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NS_IMETHOD_(nsrefcnt) AddRef(void) {return nsContainerFrame::AddRef();}
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NS_IMETHOD_(nsrefcnt) Release(void) {return nsContainerFrame::Release();}
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nscoord mStartOffset;
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nscoord mEndOffset;
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nsMargin mMargin;
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PRBool mIsPrintingSelection;
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// Asynch Printing
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PRInt32 mPageNum;
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PRInt32 mTotalPages;
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PRInt32 mPrintedPageNum;
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nsIFrame * mCurrentPageFrame;
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PRPackedBool mDoingPageRange;
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PRInt32 mPrintRangeType;
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PRInt32 mFromPageNum;
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PRInt32 mToPageNum;
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PRPackedBool mSkipPageBegin;
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PRPackedBool mSkipPageEnd;
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PRPackedBool mPrintThisPage;
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PRPackedBool mSupressHF;
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nscoord mOffsetX;
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nscoord mOffsetY;
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nsSize mSize;
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nsSharedPageData* mPageData; // data shared by all the nsPageFrames
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// Selection Printing Info
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nscoord mSelectionHeight;
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nscoord mYSelOffset;
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// I18N date formatter service which we'll want to cache locally.
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nsCOMPtr<nsIDateTimeFormat> mDateFormatter;
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private:
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void CacheBackground(nsPresContext* aPresContext);
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};
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#endif /* nsSimplePageSequence_h___ */
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