1// Copyright 2010 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_VIDEO_LAYER_H_
6#define CC_LAYERS_VIDEO_LAYER_H_
7
8#include "base/callback.h"
9#include "cc/base/cc_export.h"
10#include "cc/layers/layer.h"
11#include "media/base/video_rotation.h"
12
13namespace media { class VideoFrame; }
14
15namespace cc {
16
17class VideoFrameProvider;
18class VideoLayerImpl;
19
20// A Layer that contains a Video element.
21class CC_EXPORT VideoLayer : public Layer {
22 public:
23  static scoped_refptr<VideoLayer> Create(VideoFrameProvider* provider,
24                                          media::VideoRotation video_rotation);
25
26  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
27      OVERRIDE;
28
29  virtual bool Update(ResourceUpdateQueue* queue,
30                      const OcclusionTracker<Layer>* occlusion) OVERRIDE;
31
32 private:
33  VideoLayer(VideoFrameProvider* provider, media::VideoRotation video_rotation);
34  virtual ~VideoLayer();
35
36  // This pointer is only for passing to VideoLayerImpl's constructor. It should
37  // never be dereferenced by this class.
38  VideoFrameProvider* provider_;
39
40  media::VideoRotation video_rotation_;
41
42  DISALLOW_COPY_AND_ASSIGN(VideoLayer);
43};
44
45}  // namespace cc
46
47#endif  // CC_LAYERS_VIDEO_LAYER_H_
48