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#ifndef CC_LAYERS_UI_RESOURCE_LAYER_IMPL_H_
6#define CC_LAYERS_UI_RESOURCE_LAYER_IMPL_H_
7
8#include <string>
9
10#include "cc/base/cc_export.h"
11#include "cc/layers/layer_impl.h"
12#include "cc/resources/resource_provider.h"
13#include "cc/resources/ui_resource_client.h"
14#include "ui/gfx/rect.h"
15#include "ui/gfx/size.h"
16
17namespace base {
18class DictionaryValue;
19}
20
21namespace cc {
22
23class CC_EXPORT UIResourceLayerImpl : public LayerImpl {
24 public:
25  static scoped_ptr<UIResourceLayerImpl> Create(LayerTreeImpl* tree_impl,
26                                               int id) {
27    return make_scoped_ptr(new UIResourceLayerImpl(tree_impl, id));
28  }
29  virtual ~UIResourceLayerImpl();
30
31  void SetUIResourceId(UIResourceId uid);
32
33  void SetImageBounds(const gfx::Size& image_bounds);
34
35  // Sets a UV transform to be used at draw time. Defaults to (0, 0) and (1, 1).
36  void SetUV(const gfx::PointF& top_left, const gfx::PointF& bottom_right);
37
38  // Sets an opacity value per vertex. It will be multiplied by the layer
39  // opacity value.
40  void SetVertexOpacity(const float vertex_opacity[4]);
41
42  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
43      OVERRIDE;
44  virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
45
46  virtual bool WillDraw(DrawMode draw_mode,
47                        ResourceProvider* resource_provider) OVERRIDE;
48  virtual void AppendQuads(RenderPass* render_pass,
49                           const OcclusionTracker<LayerImpl>& occlusion_tracker,
50                           AppendQuadsData* append_quads_data) OVERRIDE;
51
52  virtual base::DictionaryValue* LayerTreeAsJson() const OVERRIDE;
53
54 protected:
55  UIResourceLayerImpl(LayerTreeImpl* tree_impl, int id);
56
57  // The size of the resource bitmap in pixels.
58  gfx::Size image_bounds_;
59
60  UIResourceId ui_resource_id_;
61
62  gfx::PointF uv_top_left_;
63  gfx::PointF uv_bottom_right_;
64  float vertex_opacity_[4];
65
66 private:
67  virtual const char* LayerTypeAsString() const OVERRIDE;
68
69  DISALLOW_COPY_AND_ASSIGN(UIResourceLayerImpl);
70};
71
72}  // namespace cc
73
74#endif  // CC_LAYERS_UI_RESOURCE_LAYER_IMPL_H_
75