gecko/layout/generic/nsRubyTextContainerFrame.h

69 lines
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code is subject to the terms of the Mozilla Public License
* version 2.0 (the "License"). You can obtain a copy of the License at
* http://mozilla.org/MPL/2.0/. */
/* rendering object for CSS "display: ruby-text-container" */
#ifndef nsRubyTextContainerFrame_h___
#define nsRubyTextContainerFrame_h___
#include "nsBlockFrame.h"
#include "nsRubyBaseFrame.h"
#include "nsRubyTextFrame.h"
#include "nsLineLayout.h"
/**
* Factory function.
* @return a newly allocated nsRubyTextContainerFrame (infallible)
*/
nsContainerFrame* NS_NewRubyTextContainerFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext);
// If this is ever changed to be inline again, the code in
// nsFrame::IsFontSizeInflationContainer should be updated to stop excluding
// this from being considered inline.
class nsRubyTextContainerFrame MOZ_FINAL : public nsBlockFrame
{
public:
NS_DECL_FRAMEARENA_HELPERS
NS_DECL_QUERYFRAME_TARGET(nsRubyTextContainerFrame)
NS_DECL_QUERYFRAME
// nsIFrame overrides
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
virtual void Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus) MOZ_OVERRIDE;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
#endif
void ReflowRubyTextFrame(nsRubyTextFrame* rtFrame, nsIFrame* rbFrame,
nscoord baseStart, nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState);
void BeginRTCLineLayout(nsPresContext* aPresContext,
const nsHTMLReflowState& aReflowState);
nsLineLayout* GetLineLayout() { return mLineLayout.get(); };
protected:
friend nsContainerFrame*
NS_NewRubyTextContainerFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext);
explicit nsRubyTextContainerFrame(nsStyleContext* aContext) : nsBlockFrame(aContext) {}
// This pointer is active only during reflow of the ruby structure. It gets
// created when the corresponding ruby base container is reflowed, and it is
// destroyed when the ruby text container itself is reflowed.
mozilla::UniquePtr<nsLineLayout> mLineLayout;
// The intended dimensions of the ruby text container. These are modified
// whenever a ruby text box is reflowed and used when the ruby text container
// is reflowed.
nscoord mISize;
};
#endif /* nsRubyTextContainerFrame_h___ */