1// Copyright 2012 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_DELEGATED_RENDERER_LAYER_H_
6#define CC_LAYERS_DELEGATED_RENDERER_LAYER_H_
7
8#include "base/containers/hash_tables.h"
9#include "base/memory/ref_counted.h"
10#include "base/memory/weak_ptr.h"
11#include "base/synchronization/lock.h"
12#include "cc/base/cc_export.h"
13#include "cc/layers/delegated_frame_provider.h"
14#include "cc/layers/layer.h"
15#include "cc/resources/returned_resource.h"
16
17namespace cc {
18
19class CC_EXPORT DelegatedRendererLayer : public Layer {
20 public:
21  static scoped_refptr<DelegatedRendererLayer> Create(
22      const scoped_refptr<DelegatedFrameProvider>& frame_provider);
23
24  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
25      OVERRIDE;
26  virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE;
27  virtual bool Update(ResourceUpdateQueue* queue,
28                      const OcclusionTracker<Layer>* occlusion) OVERRIDE;
29  virtual void PushPropertiesTo(LayerImpl* impl) OVERRIDE;
30
31  // Called by the DelegatedFrameProvider when a new frame is available to be
32  // picked up.
33  void ProviderHasNewFrame();
34  virtual bool HasDelegatedContent() const OVERRIDE;
35
36 protected:
37  DelegatedRendererLayer(
38      const scoped_refptr<DelegatedFrameProvider>& frame_provider);
39  virtual ~DelegatedRendererLayer();
40
41 private:
42  scoped_refptr<DelegatedFrameProvider> frame_provider_;
43
44  bool should_collect_new_frame_;
45
46  DelegatedFrameData* frame_data_;
47  gfx::RectF frame_damage_;
48
49  base::WeakPtrFactory<DelegatedRendererLayer> weak_ptrs_;
50
51  DISALLOW_COPY_AND_ASSIGN(DelegatedRendererLayer);
52};
53
54}  // namespace cc
55
56#endif  // CC_LAYERS_DELEGATED_RENDERER_LAYER_H_
57