layout/generic/nsRubyTextContainerFrame.h
author Masayuki Nakano <masayuki@d-toybox.com>
Wed, 28 Jan 2015 15:27:32 +0900
changeset 253333 72718ad7b573dbb66267aca63c151f5b36de3120
parent 250637 fbf523548a2558388fe9eee9b0333c5c3d3d1f42
child 256526 2ad44003f7be5f8f8e8b0e0ac9d527b3444d8c1c
permissions -rw-r--r--
Bug 917322 part.14 Remove sendCompositionEvent() and createCompositionStringSynthesizer() of nsIDOMWindowUtils and nsICompositionStringSynthesizer r=smaug, sr=smaug

/* -*- 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"

typedef nsContainerFrame nsRubyTextContainerFrameSuper;

/**
 * Factory function.
 * @return a newly allocated nsRubyTextContainerFrame (infallible)
 */
nsContainerFrame* NS_NewRubyTextContainerFrame(nsIPresShell* aPresShell,
                                               nsStyleContext* aContext);

class nsRubyTextContainerFrame MOZ_FINAL : public nsRubyTextContainerFrameSuper
{
public:
  NS_DECL_FRAMEARENA_HELPERS
  NS_DECL_QUERYFRAME_TARGET(nsRubyTextContainerFrame)
  NS_DECL_QUERYFRAME

  // nsIFrame overrides
  virtual nsIAtom* GetType() const MOZ_OVERRIDE;
  virtual bool IsFrameOfType(uint32_t aFlags) 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

  // nsContainerFrame overrides
  virtual void SetInitialChildList(ChildListID aListID,
                                   nsFrameList& aChildList) MOZ_OVERRIDE;
  virtual void AppendFrames(ChildListID aListID,
                            nsFrameList& aFrameList) MOZ_OVERRIDE;
  virtual void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
                            nsFrameList& aFrameList) MOZ_OVERRIDE;
  virtual void RemoveFrame(ChildListID aListID,
                           nsIFrame* aOldFrame) MOZ_OVERRIDE;

  bool IsSpanContainer() const
  {
    return GetStateBits() & NS_RUBY_TEXT_CONTAINER_IS_SPAN;
  }

protected:
  friend nsContainerFrame*
    NS_NewRubyTextContainerFrame(nsIPresShell* aPresShell,
                                 nsStyleContext* aContext);
  explicit nsRubyTextContainerFrame(nsStyleContext* aContext)
    : nsRubyTextContainerFrameSuper(aContext)
    , mLineSize(mozilla::WritingMode(aContext)) {}

  void UpdateSpanFlag();

  friend class nsRubyBaseContainerFrame;
  void SetLineSize(const mozilla::LogicalSize& aSize) { mLineSize = aSize; }

  // The intended dimensions 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.
  mozilla::LogicalSize mLineSize;
};

#endif /* nsRubyTextContainerFrame_h___ */