gecko-dev/layout/generic/nsPageContentFrame.h

67 строки
2.0 KiB
C++

/* -*- 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 nsPageContentFrame_h___
#define nsPageContentFrame_h___
#include "mozilla/Attributes.h"
#include "nsViewportFrame.h"
class nsPageFrame;
class nsSharedPageData;
// Page frame class used by the simple page sequence frame
class nsPageContentFrame : public ViewportFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewPageContentFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
friend class nsPageFrame;
// nsIFrame
NS_IMETHOD Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aMaxSize,
nsReflowStatus& aStatus) MOZ_OVERRIDE;
virtual bool IsFrameOfType(uint32_t aFlags) const
{
return ViewportFrame::IsFrameOfType(aFlags &
~(nsIFrame::eCanContainOverflowContainers));
}
virtual void SetSharedPageData(nsSharedPageData* aPD) { mPD = aPD; }
/**
* Computes page size based on shared page data; SetSharedPageData must be
* given valid data first.
*/
virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
nsSize aCBSize, nscoord aAvailableWidth,
nsSize aMargin, nsSize aBorder, nsSize aPadding,
uint32_t aFlags) MOZ_OVERRIDE;
virtual bool HasTransformGetter() const MOZ_OVERRIDE { return true; }
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::pageContentFrame
*/
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
#ifdef DEBUG
// Debugging
NS_IMETHOD GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
#endif
protected:
nsPageContentFrame(nsStyleContext* aContext) : ViewportFrame(aContext) {}
nsSharedPageData* mPD;
};
#endif /* nsPageContentFrame_h___ */