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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 COMPONENTS_MUS_WS_SERVER_WINDOW_SURFACE_MANAGER_H_ | |
6 #define COMPONENTS_MUS_WS_SERVER_WINDOW_SURFACE_MANAGER_H_ | |
7 | |
8 #include <map> | |
9 | |
10 #include "base/macros.h" | |
11 #include "cc/ipc/compositor_frame.mojom.h" | |
12 #include "cc/surfaces/surface_factory.h" | |
13 #include "cc/surfaces/surface_id.h" | |
14 #include "cc/surfaces/surface_id_allocator.h" | |
15 #include "components/mus/public/interfaces/window_tree.mojom.h" | |
16 #include "mojo/public/cpp/bindings/binding.h" | |
17 | |
18 namespace mus { | |
19 namespace ws { | |
20 | |
21 class ServerWindow; | |
22 class ServerWindowSurface; | |
23 class ServerWindowSurfaceManagerTestApi; | |
24 | |
25 // ServerWindowSurfaceManager tracks the surfaces associated with a | |
26 // ServerWindow. | |
27 class ServerWindowSurfaceManager { | |
28 public: | |
29 explicit ServerWindowSurfaceManager(ServerWindow* window); | |
30 ~ServerWindowSurfaceManager(); | |
31 | |
32 // Returns true if the surfaces from this manager should be drawn. | |
33 bool ShouldDraw(); | |
34 | |
35 // Creates a new surface of the specified type, replacing the existing one of | |
36 // the specified type. | |
37 void CreateSurface(mojom::SurfaceType surface_type, | |
38 mojo::InterfaceRequest<mojom::Surface> request, | |
39 mojom::SurfaceClientPtr client); | |
40 | |
41 ServerWindow* window() { return window_; } | |
42 | |
43 ServerWindowSurface* GetDefaultSurface() const; | |
44 ServerWindowSurface* GetUnderlaySurface() const; | |
45 ServerWindowSurface* GetSurfaceByType(mojom::SurfaceType type) const; | |
46 bool HasSurfaceOfType(mojom::SurfaceType type) const; | |
47 bool HasAnySurface() const; | |
48 | |
49 uint32_t id_namespace() const { return surface_id_allocator_.id_namespace(); } | |
50 cc::SurfaceManager* GetSurfaceManager(); | |
51 | |
52 private: | |
53 friend class ServerWindowSurfaceManagerTestApi; | |
54 friend class ServerWindowSurface; | |
55 | |
56 // Returns true if a surface of |type| has been set and its size is greater | |
57 // than the size of the window. | |
58 bool IsSurfaceReadyAndNonEmpty(mojom::SurfaceType type) const; | |
59 | |
60 cc::SurfaceId GenerateId(); | |
61 | |
62 ServerWindow* window_; | |
63 | |
64 cc::SurfaceIdAllocator surface_id_allocator_; | |
65 | |
66 using TypeToSurfaceMap = | |
67 std::map<mojom::SurfaceType, std::unique_ptr<ServerWindowSurface>>; | |
68 | |
69 TypeToSurfaceMap type_to_surface_map_; | |
70 | |
71 // While true the window is not drawn. This is initially true if the window | |
72 // has the property |kWaitForUnderlay_Property|. This is set to false once | |
73 // the underlay and default surface have been set *and* their size is at | |
74 // least that of the window. Ideally we would wait for sizes to match, but | |
75 // the underlay is not necessarily as big as the window. | |
76 bool waiting_for_initial_frames_; | |
77 | |
78 DISALLOW_COPY_AND_ASSIGN(ServerWindowSurfaceManager); | |
79 }; | |
80 | |
81 } // namespace ws | |
82 } // namespace mus | |
83 | |
84 #endif // COMPONENTS_MUS_WS_SERVER_WINDOW_SURFACE_MANAGER_H_ | |
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