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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/lazy_instance.h" | |
| 6 #include "cc/surfaces/surface_manager.h" | |
| 7 #include "content/browser/compositor/surface_utils.h" | |
| 8 #include "content/browser/renderer_host/offscreen_canvas_surface_manager.h" | |
| 9 | |
| 10 namespace content { | |
| 11 | |
| 12 namespace { | |
| 13 base::LazyInstance<OffscreenCanvasSurfaceManager>::Leaky g_manager = | |
| 14 LAZY_INSTANCE_INITIALIZER; | |
| 15 } | |
| 16 | |
| 17 OffscreenCanvasSurfaceManager::OffscreenCanvasSurfaceManager() { | |
| 18 GetSurfaceManager()->AddObserver(this); | |
| 19 } | |
| 20 | |
| 21 OffscreenCanvasSurfaceManager::~OffscreenCanvasSurfaceManager() { | |
| 22 registered_surface_instances_.clear(); | |
| 23 GetSurfaceManager()->RemoveObserver(this); | |
| 24 } | |
| 25 | |
| 26 OffscreenCanvasSurfaceManager* OffscreenCanvasSurfaceManager::GetInstance() { | |
| 27 return g_manager.Pointer(); | |
| 28 } | |
| 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 | |
| 54 void OffscreenCanvasSurfaceManager::OnSurfaceCreated( | |
| 55 const cc::SurfaceInfo& surface_info) { | |
| 56 auto surface_iter = | |
| 57 registered_surface_instances_.find(surface_info.id().frame_sink_id()); | |
| 58 if (surface_iter == registered_surface_instances_.end()) | |
| 59 return; | |
| 60 OffscreenCanvasSurfaceImpl* surfaceImpl = surface_iter->second; | |
| 61 surfaceImpl->OnSurfaceCreated(surface_info); | |
| 62 } | |
| 63 | |
| 64 void OffscreenCanvasSurfaceManager::RegisterOffscreenCanvasSurfaceInstance( | |
| 65 const cc::FrameSinkId& frame_sink_id, | |
| 66 OffscreenCanvasSurfaceImpl* surface_instance) { | |
| 67 DCHECK(surface_instance); | |
| 68 DCHECK_EQ(registered_surface_instances_.count(frame_sink_id), 0u); | |
| 69 registered_surface_instances_[frame_sink_id] = surface_instance; | |
| 70 } | |
| 71 | |
| 72 void OffscreenCanvasSurfaceManager::UnregisterOffscreenCanvasSurfaceInstance( | |
| 73 const cc::FrameSinkId& frame_sink_id) { | |
| 74 DCHECK_EQ(registered_surface_instances_.count(frame_sink_id), 1u); | |
| 75 registered_surface_instances_.erase(frame_sink_id); | |
| 76 } | |
| 77 | |
| 78 OffscreenCanvasSurfaceImpl* OffscreenCanvasSurfaceManager::GetSurfaceInstance( | |
| 79 const cc::FrameSinkId& frame_sink_id) { | |
| 80 auto search = registered_surface_instances_.find(frame_sink_id); | |
| 81 if (search != registered_surface_instances_.end()) { | |
| 82 return search->second; | |
| 83 } | |
| 84 return nullptr; | |
| 85 } | |
| 86 | |
| 87 } // namespace content | |
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Chromium Code Reviews
Issue 2688593002:
WIP: Towards merging OffscreenCanvas and Mus code
