layout/generic/nsRubyTextFrame.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at 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 "nsRubyContentFrame.h"
  13
  14 namespace mozilla {
  15 class PresShell;
  16 }  // namespace mozilla
  17
  18 /**
  19  * Factory function.
  20  * @return a newly allocated nsRubyTextFrame (infallible)
  21  */
  22 nsContainerFrame* NS_NewRubyTextFrame(mozilla::PresShell* aPresShell,
  23                                       mozilla::ComputedStyle* aStyle);
  24
  25 class nsRubyTextFrame final : public nsRubyContentFrame {
  26  public:
  27   NS_DECL_FRAMEARENA_HELPERS(nsRubyTextFrame)
  28   NS_DECL_QUERYFRAME
  29
  30   bool CanContinueTextRun() const override;
  31
  32 #ifdef DEBUG_FRAME_DUMP
  33   nsresult GetFrameName(nsAString& aResult) const override;
  34 #endif
  35
  36   void BuildDisplayList(nsDisplayListBuilder* aBuilder,
  37                         const nsDisplayListSet& aLists) override;
  38
  39   void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
  40               const ReflowInput& aReflowInput,
  41               nsReflowStatus& aStatus) override;
  42
  43   bool IsCollapsed() const {
  44     return HasAnyStateBits(NS_RUBY_TEXT_FRAME_COLLAPSED);
  45   }
  46
  47  protected:
  48   friend nsContainerFrame* NS_NewRubyTextFrame(mozilla::PresShell* aPresShell,
  49                                                ComputedStyle* aStyle);
  50   explicit nsRubyTextFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
  51       : nsRubyContentFrame(aStyle, aPresContext, kClassID) {}
  52 };
  53
  54 #endif /* nsRubyTextFrame_h___ */