layout/generic/nsRubyTextFrame.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code is subject to the terms of the Mozilla Public License
   4  * version 2.0 (the "License"). You can obtain a copy of the License at
   5  * http://mozilla.org/MPL/2.0/. */
   6
   7 /* rendering object for CSS "display: ruby-text" */
   8
   9 #ifndef nsRubyTextFrame_h___
  10 #define nsRubyTextFrame_h___
  11
  12 #include "nsContainerFrame.h"
  13
  14 /**
  15  * Factory function.
  16  * @return a newly allocated nsRubyTextFrame (infallible)
  17  */
  18 nsContainerFrame* NS_NewRubyTextFrame(nsIPresShell* aPresShell,
  19                                       nsStyleContext* aContext);
  20
  21 class nsRubyTextFrame MOZ_FINAL : public nsContainerFrame
  22 {
  23 public:
  24   NS_DECL_FRAMEARENA_HELPERS
  25   NS_DECL_QUERYFRAME_TARGET(nsRubyTextFrame)
  26   NS_DECL_QUERYFRAME
  27
  28   // nsIFrame overrides
  29   virtual nsIAtom* GetType() const MOZ_OVERRIDE;
  30   virtual void Reflow(nsPresContext* aPresContext,
  31                       nsHTMLReflowMetrics& aDesiredSize,
  32                       const nsHTMLReflowState& aReflowState,
  33                       nsReflowStatus& aStatus) MOZ_OVERRIDE;
  34   virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE;
  35   virtual void AddInlineMinISize(nsRenderingContext *aRenderingContext,
  36                                  InlineMinISizeData *aData) MOZ_OVERRIDE;
  37   virtual void AddInlinePrefISize(nsRenderingContext *aRenderingContext,
  38                                   InlinePrefISizeData *aData) MOZ_OVERRIDE;
  39   virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
  40   virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
  41   virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode)
  42     const MOZ_OVERRIDE;
  43
  44 #ifdef DEBUG_FRAME_DUMP
  45   virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
  46 #endif
  47
  48 protected:
  49   friend nsContainerFrame* NS_NewRubyTextFrame(nsIPresShell* aPresShell,
  50                                                nsStyleContext* aContext);
  51   explicit nsRubyTextFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
  52   nscoord mBaseline;
  53 };
  54
  55 #endif /* nsRubyTextFrame_h___ */