diff -r 000000000000 -r 6474c204b198 layout/generic/nsPageFrame.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/layout/generic/nsPageFrame.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,128 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#ifndef nsPageFrame_h___ +#define nsPageFrame_h___ + +#include "mozilla/Attributes.h" +#include "nsContainerFrame.h" +#include "nsLeafFrame.h" + +class nsSharedPageData; + +// Page frame class used by the simple page sequence frame +class nsPageFrame : public nsContainerFrame { + +public: + NS_DECL_FRAMEARENA_HELPERS + + friend nsIFrame* NS_NewPageFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); + + virtual nsresult Reflow(nsPresContext* aPresContext, + nsHTMLReflowMetrics& aDesiredSize, + const nsHTMLReflowState& aMaxSize, + nsReflowStatus& aStatus) MOZ_OVERRIDE; + + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, + const nsRect& aDirtyRect, + const nsDisplayListSet& aLists) MOZ_OVERRIDE; + + /** + * Get the "type" of the frame + * + * @see nsGkAtoms::pageFrame + */ + virtual nsIAtom* GetType() const MOZ_OVERRIDE; + +#ifdef DEBUG_FRAME_DUMP + virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE; +#endif + + ////////////////// + // For Printing + ////////////////// + + // Tell the page which page number it is out of how many + virtual void SetPageNumInfo(int32_t aPageNumber, int32_t aTotalPages); + + virtual void SetSharedPageData(nsSharedPageData* aPD); + + // We must allow Print Preview UI to have a background, no matter what the + // user's settings + virtual bool HonorPrintBackgroundSettings() MOZ_OVERRIDE { return false; } + + void PaintHeaderFooter(nsRenderingContext& aRenderingContext, + nsPoint aPt); + +protected: + nsPageFrame(nsStyleContext* aContext); + virtual ~nsPageFrame(); + + typedef enum { + eHeader, + eFooter + } nsHeaderFooterEnum; + + nscoord GetXPosition(nsRenderingContext& aRenderingContext, + const nsRect& aRect, + int32_t aJust, + const nsString& aStr); + + void DrawHeaderFooter(nsRenderingContext& aRenderingContext, + nsHeaderFooterEnum aHeaderFooter, + int32_t aJust, + const nsString& sStr, + const nsRect& aRect, + nscoord aHeight, + nscoord aAscent, + nscoord aWidth); + + void DrawHeaderFooter(nsRenderingContext& aRenderingContext, + nsHeaderFooterEnum aHeaderFooter, + const nsString& aStrLeft, + const nsString& aStrRight, + const nsString& aStrCenter, + const nsRect& aRect, + nscoord aAscent, + nscoord aHeight); + + void ProcessSpecialCodes(const nsString& aStr, nsString& aNewStr); + + int32_t mPageNum; + int32_t mTotNumPages; + + nsSharedPageData* mPD; +}; + + +class nsPageBreakFrame : public nsLeafFrame +{ + NS_DECL_FRAMEARENA_HELPERS + + nsPageBreakFrame(nsStyleContext* aContext); + ~nsPageBreakFrame(); + + virtual nsresult Reflow(nsPresContext* aPresContext, + nsHTMLReflowMetrics& aDesiredSize, + const nsHTMLReflowState& aReflowState, + nsReflowStatus& aStatus) MOZ_OVERRIDE; + + virtual nsIAtom* GetType() const MOZ_OVERRIDE; + +#ifdef DEBUG_FRAME_DUMP + virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE; +#endif + +protected: + + virtual nscoord GetIntrinsicWidth() MOZ_OVERRIDE; + virtual nscoord GetIntrinsicHeight() MOZ_OVERRIDE; + + bool mHaveReflowed; + + friend nsIFrame* NS_NewPageBreakFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); +}; + +#endif /* nsPageFrame_h___ */ +