cc/layers/solid_color_scrollbar_layer.cc

   1 // Copyright 2013 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 #include "cc/layers/solid_color_scrollbar_layer.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "cc/layers/layer_impl.h"
   9 #include "cc/layers/solid_color_scrollbar_layer_impl.h"
  10
  11 namespace cc {
  12
  13 scoped_ptr<LayerImpl> SolidColorScrollbarLayer::CreateLayerImpl(
  14     LayerTreeImpl* tree_impl) {
  15   return SolidColorScrollbarLayerImpl::Create(
  16       tree_impl, id(), orientation(), thumb_thickness_,
  17       is_left_side_vertical_scrollbar_).PassAs<LayerImpl>();
  18 }
  19
  20 scoped_refptr<SolidColorScrollbarLayer> SolidColorScrollbarLayer::Create(
  21     ScrollbarOrientation orientation,
  22     int thumb_thickness,
  23     bool is_left_side_vertical_scrollbar,
  24     int scroll_layer_id) {
  25   return make_scoped_refptr(new SolidColorScrollbarLayer(
  26       orientation,
  27       thumb_thickness,
  28       is_left_side_vertical_scrollbar,
  29       scroll_layer_id));
  30 }
  31
  32 SolidColorScrollbarLayer::SolidColorScrollbarLayer(
  33     ScrollbarOrientation orientation,
  34     int thumb_thickness,
  35     bool is_left_side_vertical_scrollbar,
  36     int scroll_layer_id)
  37     : scroll_layer_id_(scroll_layer_id),
  38       orientation_(orientation),
  39       thumb_thickness_(thumb_thickness),
  40       is_left_side_vertical_scrollbar_(is_left_side_vertical_scrollbar) {}
  41
  42 SolidColorScrollbarLayer::~SolidColorScrollbarLayer() {}
  43
  44 ScrollbarLayerInterface* SolidColorScrollbarLayer::ToScrollbarLayer() {
  45   return this;
  46 }
  47
  48 bool SolidColorScrollbarLayer::OpacityCanAnimateOnImplThread() const {
  49   return true;
  50 }
  51
  52 int SolidColorScrollbarLayer::ScrollLayerId() const {
  53   return scroll_layer_id_;
  54 }
  55
  56 void SolidColorScrollbarLayer::SetScrollLayerId(int id) {
  57   if (id == scroll_layer_id_)
  58     return;
  59
  60   scroll_layer_id_ = id;
  61   SetNeedsFullTreeSync();
  62 }
  63
  64 ScrollbarOrientation SolidColorScrollbarLayer::orientation() const {
  65   return orientation_;
  66 }
  67
  68 }  // namespace cc