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1 // Copyright 2015 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 #ifndef SERVICES_UI_WS_SERVER_WINDOW_SURFACE_H_ | |
6 #define SERVICES_UI_WS_SERVER_WINDOW_SURFACE_H_ | |
7 | |
8 #include <set> | |
9 | |
10 #include "base/macros.h" | |
11 #include "cc/ipc/compositor_frame.mojom.h" | |
12 #include "cc/ipc/mojo_compositor_frame_sink.mojom.h" | |
13 #include "cc/surfaces/frame_sink_id.h" | |
14 #include "cc/surfaces/surface_factory.h" | |
15 #include "cc/surfaces/surface_factory_client.h" | |
16 #include "cc/surfaces/surface_id.h" | |
17 #include "cc/surfaces/surface_id_allocator.h" | |
18 #include "cc/surfaces/surface_sequence_generator.h" | |
19 #include "mojo/public/cpp/bindings/binding.h" | |
20 #include "services/ui/public/interfaces/window_tree.mojom.h" | |
21 #include "services/ui/ws/ids.h" | |
22 | |
23 namespace ui { | |
24 | |
25 class DisplayCompositor; | |
26 | |
27 namespace ws { | |
28 | |
29 class ServerWindow; | |
30 class ServerWindowSurfaceManager; | |
31 | |
32 // Server side representation of a WindowSurface. | |
33 class ServerWindowSurface : public cc::mojom::MojoCompositorFrameSink, | |
34 public cc::SurfaceFactoryClient { | |
35 public: | |
36 ServerWindowSurface(ServerWindowSurfaceManager* manager, | |
37 const cc::FrameSinkId& frame_sink_id, | |
38 cc::mojom::MojoCompositorFrameSinkRequest request, | |
39 cc::mojom::MojoCompositorFrameSinkClientPtr client); | |
40 | |
41 ~ServerWindowSurface() override; | |
42 | |
43 const gfx::Size& last_submitted_frame_size() const { | |
44 return last_submitted_frame_size_; | |
45 } | |
46 | |
47 bool may_contain_video() const { return may_contain_video_; } | |
48 | |
49 // cc::mojom::MojoCompositorFrameSink: | |
50 void SetNeedsBeginFrame(bool needs_begin_frame) override; | |
51 void SubmitCompositorFrame(cc::CompositorFrame frame) override; | |
52 | |
53 // There is a 1-1 correspondence between FrameSinks and frame sources. | |
54 // The FrameSinkId uniquely identifies the FrameSink, and since there is | |
55 // one FrameSink per ServerWindowSurface, it allows the window server | |
56 // to uniquely identify the window, and the thus the client that generated the | |
57 // frame. | |
58 const cc::FrameSinkId& frame_sink_id() const { return frame_sink_id_; } | |
59 | |
60 // The LocalFrameId can be thought of as an identifier to a bucket of | |
61 // sequentially submitted CompositorFrames in the same FrameSink all sharing | |
62 // the same size and device scale factor. | |
63 const cc::LocalFrameId& local_frame_id() const { return local_frame_id_; } | |
64 | |
65 bool has_frame() const { return !local_frame_id_.is_null(); } | |
66 | |
67 cc::SurfaceId GetSurfaceId() const; | |
68 | |
69 // Creates a surface dependency token that expires when this | |
70 // ServerWindowSurface goes away. | |
71 cc::SurfaceSequence CreateSurfaceSequence(); | |
72 | |
73 ServerWindow* window(); | |
74 | |
75 private: | |
76 void DidReceiveCompositorFrameAck(); | |
77 | |
78 // SurfaceFactoryClient implementation. | |
79 void ReturnResources(const cc::ReturnedResourceArray& resources) override; | |
80 void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override; | |
81 | |
82 const cc::FrameSinkId frame_sink_id_; | |
83 cc::SurfaceSequenceGenerator surface_sequence_generator_; | |
84 | |
85 ServerWindowSurfaceManager* manager_; // Owns this. | |
86 | |
87 gfx::Size last_submitted_frame_size_; | |
88 | |
89 cc::LocalFrameId local_frame_id_; | |
90 cc::SurfaceIdAllocator surface_id_allocator_; | |
91 cc::SurfaceFactory surface_factory_; | |
92 | |
93 cc::mojom::MojoCompositorFrameSinkClientPtr client_; | |
94 mojo::Binding<MojoCompositorFrameSink> binding_; | |
95 | |
96 bool may_contain_video_ = false; | |
97 | |
98 DISALLOW_COPY_AND_ASSIGN(ServerWindowSurface); | |
99 }; | |
100 | |
101 } // namespace ws | |
102 | |
103 } // namespace ui | |
104 | |
105 #endif // SERVICES_UI_WS_SERVER_WINDOW_SURFACE_H_ | |
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