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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/lazy_instance.h" | 5 #include "base/lazy_instance.h" |
6 #include "cc/surfaces/surface_manager.h" | 6 #include "cc/surfaces/surface_manager.h" |
7 #include "content/browser/compositor/surface_utils.h" | 7 #include "content/browser/compositor/surface_utils.h" |
8 #include "content/browser/renderer_host/offscreen_canvas_surface_manager.h" | 8 #include "content/browser/renderer_host/offscreen_canvas_surface_manager.h" |
9 | 9 |
10 namespace content { | 10 namespace content { |
11 | 11 |
12 namespace { | 12 namespace { |
13 base::LazyInstance<OffscreenCanvasSurfaceManager>::Leaky g_manager = | 13 base::LazyInstance<OffscreenCanvasSurfaceManager>::Leaky g_manager = |
14 LAZY_INSTANCE_INITIALIZER; | 14 LAZY_INSTANCE_INITIALIZER; |
15 } | 15 } |
16 | 16 |
17 OffscreenCanvasSurfaceManager::OffscreenCanvasSurfaceManager() { | 17 OffscreenCanvasSurfaceManager::OffscreenCanvasSurfaceManager() { |
18 GetSurfaceManager()->AddObserver(this); | 18 GetSurfaceManager()->AddObserver(this); |
19 } | 19 } |
20 | 20 |
21 OffscreenCanvasSurfaceManager::~OffscreenCanvasSurfaceManager() { | 21 OffscreenCanvasSurfaceManager::~OffscreenCanvasSurfaceManager() { |
22 registered_surface_instances_.clear(); | 22 registered_surface_instances_.clear(); |
23 GetSurfaceManager()->RemoveObserver(this); | 23 GetSurfaceManager()->RemoveObserver(this); |
24 } | 24 } |
25 | 25 |
26 OffscreenCanvasSurfaceManager* OffscreenCanvasSurfaceManager::GetInstance() { | 26 OffscreenCanvasSurfaceManager* OffscreenCanvasSurfaceManager::GetInstance() { |
27 return g_manager.Pointer(); | 27 return g_manager.Pointer(); |
28 } | 28 } |
29 | 29 |
| 30 void OffscreenCanvasSurfaceManager::RegisterFrameSinkToParent( |
| 31 const cc::FrameSinkId& child_frame_sink_id) { |
| 32 auto surface_iter = registered_surface_instances_.find(child_frame_sink_id); |
| 33 if (surface_iter == registered_surface_instances_.end()) |
| 34 return; |
| 35 OffscreenCanvasSurfaceImpl* surfaceImpl = surface_iter->second; |
| 36 if (surfaceImpl->parent_frame_sink_id().is_valid()) { |
| 37 GetSurfaceManager()->RegisterFrameSinkHierarchy( |
| 38 surfaceImpl->parent_frame_sink_id(), child_frame_sink_id); |
| 39 } |
| 40 } |
| 41 |
| 42 void OffscreenCanvasSurfaceManager::UnregisterFrameSinkFromParent( |
| 43 const cc::FrameSinkId& child_frame_sink_id) { |
| 44 auto surface_iter = registered_surface_instances_.find(child_frame_sink_id); |
| 45 if (surface_iter == registered_surface_instances_.end()) |
| 46 return; |
| 47 OffscreenCanvasSurfaceImpl* surfaceImpl = surface_iter->second; |
| 48 if (surfaceImpl->parent_frame_sink_id().is_valid()) { |
| 49 GetSurfaceManager()->UnregisterFrameSinkHierarchy( |
| 50 surfaceImpl->parent_frame_sink_id(), child_frame_sink_id); |
| 51 } |
| 52 } |
| 53 |
30 void OffscreenCanvasSurfaceManager::OnSurfaceCreated( | 54 void OffscreenCanvasSurfaceManager::OnSurfaceCreated( |
31 const cc::SurfaceInfo& surface_info) { | 55 const cc::SurfaceInfo& surface_info) { |
32 auto surface_iter = | 56 auto surface_iter = |
33 registered_surface_instances_.find(surface_info.id().frame_sink_id()); | 57 registered_surface_instances_.find(surface_info.id().frame_sink_id()); |
34 if (surface_iter == registered_surface_instances_.end()) | 58 if (surface_iter == registered_surface_instances_.end()) |
35 return; | 59 return; |
36 OffscreenCanvasSurfaceImpl* surfaceImpl = surface_iter->second; | 60 OffscreenCanvasSurfaceImpl* surfaceImpl = surface_iter->second; |
37 surfaceImpl->OnSurfaceCreated(surface_info); | 61 surfaceImpl->OnSurfaceCreated(surface_info); |
38 } | 62 } |
39 | 63 |
40 void OffscreenCanvasSurfaceManager::RegisterOffscreenCanvasSurfaceInstance( | 64 void OffscreenCanvasSurfaceManager::RegisterOffscreenCanvasSurfaceInstance( |
41 cc::FrameSinkId frame_sink_id, | 65 const cc::FrameSinkId& frame_sink_id, |
42 OffscreenCanvasSurfaceImpl* surface_instance) { | 66 OffscreenCanvasSurfaceImpl* surface_instance) { |
43 DCHECK(surface_instance); | 67 DCHECK(surface_instance); |
44 DCHECK_EQ(registered_surface_instances_.count(frame_sink_id), 0u); | 68 DCHECK_EQ(registered_surface_instances_.count(frame_sink_id), 0u); |
45 registered_surface_instances_[frame_sink_id] = surface_instance; | 69 registered_surface_instances_[frame_sink_id] = surface_instance; |
46 } | 70 } |
47 | 71 |
48 void OffscreenCanvasSurfaceManager::UnregisterOffscreenCanvasSurfaceInstance( | 72 void OffscreenCanvasSurfaceManager::UnregisterOffscreenCanvasSurfaceInstance( |
49 cc::FrameSinkId frame_sink_id) { | 73 const cc::FrameSinkId& frame_sink_id) { |
50 DCHECK_EQ(registered_surface_instances_.count(frame_sink_id), 1u); | 74 DCHECK_EQ(registered_surface_instances_.count(frame_sink_id), 1u); |
51 registered_surface_instances_.erase(frame_sink_id); | 75 registered_surface_instances_.erase(frame_sink_id); |
52 } | 76 } |
53 | 77 |
54 OffscreenCanvasSurfaceImpl* OffscreenCanvasSurfaceManager::GetSurfaceInstance( | 78 OffscreenCanvasSurfaceImpl* OffscreenCanvasSurfaceManager::GetSurfaceInstance( |
55 cc::FrameSinkId frame_sink_id) { | 79 const cc::FrameSinkId& frame_sink_id) { |
56 auto search = registered_surface_instances_.find(frame_sink_id); | 80 auto search = registered_surface_instances_.find(frame_sink_id); |
57 if (search != registered_surface_instances_.end()) { | 81 if (search != registered_surface_instances_.end()) { |
58 return search->second; | 82 return search->second; |
59 } | 83 } |
60 return nullptr; | 84 return nullptr; |
61 } | 85 } |
62 | 86 |
63 } // namespace content | 87 } // namespace content |
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