Index: content/browser/renderer_host/offscreen_canvas_surface_manager.h |
diff --git a/content/browser/renderer_host/offscreen_canvas_surface_manager.h b/content/browser/renderer_host/offscreen_canvas_surface_manager.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e217b7610efa7abbf207bb6bebabaf61be1586f6 |
--- /dev/null |
+++ b/content/browser/renderer_host/offscreen_canvas_surface_manager.h |
@@ -0,0 +1,51 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_SURFACE_MANAGER_H_ |
+#define CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_SURFACE_MANAGER_H_ |
+ |
+#include "base/containers/hash_tables.h" |
+#include "base/memory/weak_ptr.h" |
+#include "cc/surfaces/surface_id.h" |
+#include "content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.h" |
+#include "content/browser/renderer_host/offscreen_canvas_surface_impl.h" |
+ |
+namespace content { |
+ |
+class CONTENT_EXPORT OffscreenCanvasSurfaceManager { |
+ public: |
+ OffscreenCanvasSurfaceManager(); |
+ ~OffscreenCanvasSurfaceManager(); |
+ |
+ static OffscreenCanvasSurfaceManager* GetInstance(); |
+ |
+ void RegisterOffscreenCanvasSurfaceInstance(cc::FrameSinkId, |
+ OffscreenCanvasSurfaceImpl*); |
+ void UnregisterOffscreenCanvasSurfaceInstance(cc::FrameSinkId); |
+ |
+ void RegisterCompositorFrameSinkInstance(cc::FrameSinkId, |
+ OffscreenCanvasCompositorFrameSink*); |
+ void UnregisterCompositorFrameSinkInstance(cc::FrameSinkId); |
+ |
+ OffscreenCanvasSurfaceImpl* GetSurfaceInstance(cc::FrameSinkId); |
+ OffscreenCanvasCompositorFrameSink* GetCompositorFrameSinkInstance( |
+ cc::FrameSinkId); |
+ |
+ private: |
+ friend class OffscreenCanvasSurfaceManagerTest; |
+ |
+ std::unordered_map<cc::FrameSinkId, |
xlai (Olivia)
2016/11/11 22:56:57
I'm using a FrameSinkId to identify the instance,
|
+ base::WeakPtr<OffscreenCanvasSurfaceImpl>, |
+ cc::FrameSinkIdHash> |
+ registered_surface_instances_; |
+ std::unordered_map<cc::FrameSinkId, |
+ base::WeakPtr<OffscreenCanvasCompositorFrameSink>, |
+ cc::FrameSinkIdHash> |
+ registered_compositor_frame_sink_instances_; |
+ DISALLOW_COPY_AND_ASSIGN(OffscreenCanvasSurfaceManager); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_SURFACE_MANAGER_H_ |