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/* -*- 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 nsFontMetrics;
class nsSharedPageData;
// Page frame class used by the simple page sequence frame
class nsPageFrame final : public nsContainerFrame {
public:
NS_DECL_QUERYFRAME_TARGET(nsPageFrame)
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
friend nsPageFrame* NS_NewPageFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext);
virtual void Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aMaxSize,
nsReflowStatus& aStatus) override;
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override;
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::pageFrame
*/
virtual nsIAtom* GetType() const override;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const 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() override { return false; }
void PaintHeaderFooter(nsRenderingContext& aRenderingContext,
nsPoint aPt, bool aSubpixelAA);
protected:
explicit nsPageFrame(nsStyleContext* aContext);
virtual ~nsPageFrame();
typedef enum {
eHeader,
eFooter
} nsHeaderFooterEnum;
nscoord GetXPosition(nsRenderingContext& aRenderingContext,
nsFontMetrics& aFontMetrics,
const nsRect& aRect,
int32_t aJust,
const nsString& aStr);
void DrawHeaderFooter(nsRenderingContext& aRenderingContext,
nsFontMetrics& aFontMetrics,
nsHeaderFooterEnum aHeaderFooter,
int32_t aJust,
const nsString& sStr,
const nsRect& aRect,
nscoord aHeight,
nscoord aAscent,
nscoord aWidth);
void DrawHeaderFooter(nsRenderingContext& aRenderingContext,
nsFontMetrics& aFontMetrics,
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;
nsMargin mPageContentMargin;
};
class nsPageBreakFrame : public nsLeafFrame
{
NS_DECL_FRAMEARENA_HELPERS
explicit nsPageBreakFrame(nsStyleContext* aContext);
~nsPageBreakFrame();
virtual void Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
virtual nsIAtom* GetType() const override;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override;
#endif
protected:
virtual nscoord GetIntrinsicISize() override;
virtual nscoord GetIntrinsicBSize() override;
bool mHaveReflowed;
friend nsIFrame* NS_NewPageBreakFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
};
#endif /* nsPageFrame_h___ */
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