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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 #ifndef CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_PROVIDER_IMPL_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_PROVIDER_IMPL_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_PROVIDER_IMPL_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_PROVIDER_IMPL_H_ |
7 | 7 |
| 8 #include <memory> |
| 9 |
| 10 #include "base/containers/flat_map.h" |
8 #include "cc/surfaces/frame_sink_id.h" | 11 #include "cc/surfaces/frame_sink_id.h" |
| 12 #include "content/common/content_export.h" |
9 #include "mojo/public/cpp/bindings/binding_set.h" | 13 #include "mojo/public/cpp/bindings/binding_set.h" |
10 #include "third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_c
anvas_surface.mojom.h" | 14 #include "third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_c
anvas_surface.mojom.h" |
11 | 15 |
12 namespace content { | 16 namespace content { |
13 | 17 |
| 18 class OffscreenCanvasSurfaceImpl; |
| 19 |
14 // Creates OffscreenCanvasSurfaces and MojoCompositorFrameSinks for a renderer. | 20 // Creates OffscreenCanvasSurfaces and MojoCompositorFrameSinks for a renderer. |
15 class OffscreenCanvasProviderImpl | 21 class CONTENT_EXPORT OffscreenCanvasProviderImpl |
16 : public blink::mojom::OffscreenCanvasProvider { | 22 : public blink::mojom::OffscreenCanvasProvider { |
17 public: | 23 public: |
18 explicit OffscreenCanvasProviderImpl(uint32_t renderer_client_id); | 24 explicit OffscreenCanvasProviderImpl(uint32_t renderer_client_id); |
19 ~OffscreenCanvasProviderImpl() override; | 25 ~OffscreenCanvasProviderImpl() override; |
20 | 26 |
21 void Add(blink::mojom::OffscreenCanvasProviderRequest request); | 27 void Add(blink::mojom::OffscreenCanvasProviderRequest request); |
22 | 28 |
23 // blink::mojom::OffscreenCanvasProvider implementation. | 29 // blink::mojom::OffscreenCanvasProvider implementation. |
24 void CreateOffscreenCanvasSurface( | 30 void CreateOffscreenCanvasSurface( |
25 const cc::FrameSinkId& parent_frame_sink_id, | 31 const cc::FrameSinkId& parent_frame_sink_id, |
26 const cc::FrameSinkId& frame_sink_id, | 32 const cc::FrameSinkId& frame_sink_id, |
27 blink::mojom::OffscreenCanvasSurfaceClientPtr client, | 33 blink::mojom::OffscreenCanvasSurfaceClientPtr client, |
28 blink::mojom::OffscreenCanvasSurfaceRequest request) override; | 34 blink::mojom::OffscreenCanvasSurfaceRequest request) override; |
29 void CreateCompositorFrameSink( | 35 void CreateCompositorFrameSink( |
30 const cc::FrameSinkId& frame_sink_id, | 36 const cc::FrameSinkId& frame_sink_id, |
31 cc::mojom::MojoCompositorFrameSinkClientPtr client, | 37 cc::mojom::MojoCompositorFrameSinkClientPtr client, |
32 cc::mojom::MojoCompositorFrameSinkRequest request) override; | 38 cc::mojom::MojoCompositorFrameSinkRequest request) override; |
33 | 39 |
34 private: | 40 private: |
| 41 friend class OffscreenCanvasProviderImplTest; |
| 42 |
| 43 // Destroys the |canvas_map_| entry for |frame_sink_id|. Provided as a |
| 44 // callback to each OffscreenCanvasSurfaceImpl so they can destroy themselves. |
| 45 void DestroyOffscreenCanvasSurface(cc::FrameSinkId frame_sink_id); |
| 46 |
35 // FrameSinkIds for offscreen canvas must use the renderer client id. | 47 // FrameSinkIds for offscreen canvas must use the renderer client id. |
36 const uint32_t renderer_client_id_; | 48 const uint32_t renderer_client_id_; |
37 | 49 |
38 mojo::BindingSet<blink::mojom::OffscreenCanvasProvider> bindings_; | 50 mojo::BindingSet<blink::mojom::OffscreenCanvasProvider> bindings_; |
39 | 51 |
| 52 base::flat_map<cc::FrameSinkId, std::unique_ptr<OffscreenCanvasSurfaceImpl>> |
| 53 canvas_map_; |
| 54 |
40 DISALLOW_COPY_AND_ASSIGN(OffscreenCanvasProviderImpl); | 55 DISALLOW_COPY_AND_ASSIGN(OffscreenCanvasProviderImpl); |
41 }; | 56 }; |
42 | 57 |
43 } // namespace content | 58 } // namespace content |
44 | 59 |
45 #endif // CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_PROVIDER_IMPL_H_ | 60 #endif // CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_PROVIDER_IMPL_H_ |
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