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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_VIEW_MANAGER_SURFACES_SURFACES_STATE_H_ | |
6 #define COMPONENTS_VIEW_MANAGER_SURFACES_SURFACES_STATE_H_ | |
7 | |
8 #include "base/memory/ref_counted.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "cc/surfaces/surface_manager.h" | |
11 #include "components/view_manager/surfaces/surfaces_scheduler.h" | |
12 | |
13 namespace cc { | |
14 class SurfaceManager; | |
15 } // namespace cc | |
16 | |
17 namespace surfaces { | |
18 | |
19 // The SurfacesState object is an object global to the View Manager app that | |
20 // holds the SurfaceManager, SurfacesScheduler and allocates new Surfaces | |
21 // namespaces. This object lives on the main thread of the View Manager. | |
22 // TODO(rjkroege, fsamuel): This object will need to change to support multiple | |
23 // displays. | |
24 class SurfacesState : public base::RefCounted<SurfacesState> { | |
25 public: | |
26 SurfacesState(); | |
27 | |
28 uint32_t next_id_namespace() { return next_id_namespace_++; } | |
29 | |
30 cc::SurfaceManager* manager() { return &manager_; } | |
31 | |
32 SurfacesScheduler* scheduler() { return &scheduler_; } | |
33 | |
34 private: | |
35 friend class base::RefCounted<SurfacesState>; | |
36 ~SurfacesState(); | |
37 | |
38 // A Surface ID is an unsigned 64-bit int where the high 32-bits are generated | |
39 // by the Surfaces service, and the low 32-bits are generated by the process | |
40 // that requested the Surface. | |
41 uint32_t next_id_namespace_; | |
42 cc::SurfaceManager manager_; | |
43 SurfacesScheduler scheduler_; | |
44 | |
45 DISALLOW_COPY_AND_ASSIGN(SurfacesState); | |
46 }; | |
47 | |
48 } // namespace surfaces | |
49 | |
50 #endif // COMPONENTS_VIEW_MANAGER_SURFACES_SURFACES_STATE_H_ | |
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