gecko-dev/layout/generic/nsRubyTextContainerFrame.h

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2.6 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
/* rendering object for CSS "display: ruby-text-container" */
#ifndef nsRubyTextContainerFrame_h___
#define nsRubyTextContainerFrame_h___
#include "nsBlockFrame.h"
namespace mozilla {
class PresShell;
} // namespace mozilla
/**
* Factory function.
* @return a newly allocated nsRubyTextContainerFrame (infallible)
*/
nsContainerFrame* NS_NewRubyTextContainerFrame(mozilla::PresShell* aPresShell,
mozilla::ComputedStyle* aStyle);
class nsRubyTextContainerFrame final : public nsContainerFrame {
public:
NS_DECL_FRAMEARENA_HELPERS(nsRubyTextContainerFrame)
NS_DECL_QUERYFRAME
// nsIFrame overrides
virtual bool IsFrameOfType(uint32_t aFlags) const override;
virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override;
#endif
// nsContainerFrame overrides
virtual void SetInitialChildList(ChildListID aListID,
nsFrameList& aChildList) override;
virtual void AppendFrames(ChildListID aListID,
nsFrameList& aFrameList) override;
virtual void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
nsFrameList& aFrameList) override;
virtual void RemoveFrame(ChildListID aListID, nsIFrame* aOldFrame) override;
bool IsSpanContainer() const {
return GetStateBits() & NS_RUBY_TEXT_CONTAINER_IS_SPAN;
}
protected:
friend nsContainerFrame* NS_NewRubyTextContainerFrame(
mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
explicit nsRubyTextContainerFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsContainerFrame(aStyle, aPresContext, kClassID), mISize(0) {}
void UpdateSpanFlag();
friend class nsRubyBaseContainerFrame;
void SetISize(nscoord aISize) { mISize = aISize; }
// The intended inline size of the ruby text container. It is set by
// the corresponding ruby base container when the segment is reflowed,
// and used when the ruby text container is reflowed by its parent.
nscoord mISize;
};
#endif /* nsRubyTextContainerFrame_h___ */