651a78c453
What this does is: 1) Reflows the first time constrained and remembers mOverflowArea.XMost() of the HTML frame and then later uses that for the calculation of the ratio. 2) Renames some variables 3) This also changes the the maximum STF ratio from 0.5 to 0.3 to match the dropdown in PP Bug 168961 r=dcone sr=kin
200 lines
7.5 KiB
C++
200 lines
7.5 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: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, 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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//-----------------------------------------------
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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(nsIPresContext* 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(nsIPresContext* 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(nsIPresContext* 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(nsIPresContext* 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(nsIPresContext* 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(nsIPresContext* aPresContext, nsRect* aSize);
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NS_IMETHOD SizeTo(nsIPresContext* aPresContext,
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nscoord aWidth,
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nscoord aHeight);
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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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NS_IMETHOD GetFrameType(nsIAtom** aType) 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(nsIPresContext* 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(nsIPref* aPref, char* aPrefName, nscoord& aCoord);
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void GetEdgePaperMargin(nsIPref* aPref, 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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private:
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void CacheBackground(nsIPresContext* aPresContext);
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};
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#endif /* nsSimplePageSequence_h___ */
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