src/content/renderer/compositor_bindings/web_scrollbar_layer_impl.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_SCROLLBAR_LAYER_IMPL_H_
   6 #define CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_SCROLLBAR_LAYER_IMPL_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "content/common/content_export.h"
  10 #include "third_party/WebKit/public/platform/WebScrollbar.h"
  11 #include "third_party/WebKit/public/platform/WebScrollbarLayer.h"
  12
  13 namespace blink {
  14 class WebScrollbarThemeGeometry;
  15 class WebScrollbarThemePainter;
  16 }
  17
  18 namespace content {
  19
  20 class WebLayerImpl;
  21
  22 class WebScrollbarLayerImpl : public blink::WebScrollbarLayer {
  23  public:
  24   CONTENT_EXPORT WebScrollbarLayerImpl(
  25       blink::WebScrollbar* scrollbar,
  26       blink::WebScrollbarThemePainter painter,
  27       blink::WebScrollbarThemeGeometry* geometry);
  28   CONTENT_EXPORT WebScrollbarLayerImpl(
  29       blink::WebScrollbar::Orientation orientation,
  30       int thumb_thickness,
  31       int track_start,
  32       bool is_left_side_vertical_scrollbar);
  33   virtual ~WebScrollbarLayerImpl();
  34
  35   // blink::WebScrollbarLayer implementation.
  36   virtual blink::WebLayer* layer();
  37   virtual void setScrollLayer(blink::WebLayer* layer);
  38   virtual void setClipLayer(blink::WebLayer* layer);
  39
  40  private:
  41   scoped_ptr<WebLayerImpl> layer_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(WebScrollbarLayerImpl);
  44 };
  45
  46 }  // namespace content
  47
  48 #endif  // CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_SCROLLBAR_LAYER_IMPL_H_