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#include "cc/layers/video_layer.h"
6
7#include "cc/layers/video_layer_impl.h"
8
9namespace cc {
10
11scoped_refptr<VideoLayer> VideoLayer::Create(
12    VideoFrameProvider* provider,
13    media::VideoRotation video_rotation) {
14  return make_scoped_refptr(new VideoLayer(provider, video_rotation));
15}
16
17VideoLayer::VideoLayer(VideoFrameProvider* provider,
18                       media::VideoRotation video_rotation)
19    : provider_(provider), video_rotation_(video_rotation) {
20  DCHECK(provider_);
21}
22
23VideoLayer::~VideoLayer() {}
24
25scoped_ptr<LayerImpl> VideoLayer::CreateLayerImpl(LayerTreeImpl* tree_impl) {
26  scoped_ptr<VideoLayerImpl> impl =
27      VideoLayerImpl::Create(tree_impl, id(), provider_, video_rotation_);
28  return impl.PassAs<LayerImpl>();
29}
30
31bool VideoLayer::Update(ResourceUpdateQueue* queue,
32                        const OcclusionTracker<Layer>* occlusion) {
33  bool updated = Layer::Update(queue, occlusion);
34
35  // Video layer doesn't update any resources from the main thread side,
36  // but repaint rects need to be sent to the VideoLayerImpl via commit.
37  //
38  // This is the inefficient legacy redraw path for videos.  It's better to
39  // communicate this directly to the VideoLayerImpl.
40  updated |= !update_rect_.IsEmpty();
41
42  return updated;
43}
44
45}  // namespace cc
46