text: /*
   * Copyright (C) 2004, 2006, 2007, 2009 Apple Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_HTML_CANVAS_H_
  #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_HTML_CANVAS_H_
  
  #include "third_party/blink/renderer/core/layout/layout_replaced.h"
  
  namespace blink {
  
  class HTMLCanvasElement;
  
  class CORE_EXPORT LayoutHTMLCanvas final : public LayoutReplaced {
   public:
    explicit LayoutHTMLCanvas(HTMLCanvasElement*);
  
    bool IsOfType(LayoutObjectType type) const override {
      return type == kLayoutObjectCanvas || LayoutReplaced::IsOfType(type);
    }
    PaintLayerType LayerTypeRequired() const override;
  
    void InvalidatePaint(const PaintInvalidatorContext&) const final;
  
    void CanvasSizeChanged();
  
    void StyleDidChange(StyleDifference, const ComputedStyle* old_style) override;
  
    const char* GetName() const override { return "LayoutHTMLCanvas"; }
  
   private:
    void PaintReplaced(const PaintInfo&,
                       const PhysicalOffset& paint_offset) const override;
    void IntrinsicSizeChanged() override { CanvasSizeChanged(); }
  
    CompositingReasons AdditionalCompositingReasons() const override;
  };
  
  DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutHTMLCanvas, IsCanvas());
  
  }  // namespace blink
  
  #endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_HTML_CANVAS_H_
  