gecko-dev/layout/generic/nsPageContentFrame.h
Neerja Pancholi 2d0231a9be Bug 1166147 - Part3: Override GetWritingMode() and make it more robustly defer to root element, to avoid truncating printed vertical-WM docs. r=dholbert
MozReview-Commit-ID: IYM3gzf1CpS

--HG--
extra : rebase_source : fa8afc85a6f3139c3c8f296ed3a469a87020a746
2017-01-30 13:22:45 -08:00

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1.9 KiB
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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 nsPageContentFrame_h___
#define nsPageContentFrame_h___
#include "mozilla/Attributes.h"
#include "mozilla/ViewportFrame.h"
class nsPageFrame;
class nsSharedPageData;
// Page frame class used by the simple page sequence frame
class nsPageContentFrame : public mozilla::ViewportFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsPageContentFrame* NS_NewPageContentFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext);
friend class nsPageFrame;
// nsIFrame
virtual void Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aMaxSize,
nsReflowStatus& aStatus) override;
virtual bool IsFrameOfType(uint32_t aFlags) const override
{
return ViewportFrame::IsFrameOfType(aFlags &
~(nsIFrame::eCanContainOverflowContainers));
}
virtual void SetSharedPageData(nsSharedPageData* aPD) { mPD = aPD; }
virtual bool HasTransformGetter() const override { return true; }
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::pageContentFrame
*/
virtual nsIAtom* GetType() const override;
mozilla::WritingMode GetWritingMode() const override
{
return nsFrame::GetWritingModeDeferringToRootElem();
}
#ifdef DEBUG_FRAME_DUMP
// Debugging
virtual nsresult GetFrameName(nsAString& aResult) const override;
#endif
protected:
explicit nsPageContentFrame(nsStyleContext* aContext) : ViewportFrame(aContext) {}
nsSharedPageData* mPD;
};
#endif /* nsPageContentFrame_h___ */