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| 1 // Copyright 2014 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 CC_SURFACES_SURFACE_MANAGER_H_ | |
| 6 #define CC_SURFACES_SURFACE_MANAGER_H_ | |
| 7 | |
| 8 #include <list> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/containers/hash_tables.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "base/observer_list.h" | |
| 14 #include "base/threading/thread_checker.h" | |
| 15 #include "cc/surfaces/surface_damage_observer.h" | |
| 16 #include "cc/surfaces/surface_id.h" | |
| 17 #include "cc/surfaces/surface_sequence.h" | |
| 18 #include "cc/surfaces/surfaces_export.h" | |
| 19 | |
| 20 namespace cc { | |
| 21 class CompositorFrame; | |
| 22 class Surface; | |
| 23 | |
| 24 class CC_SURFACES_EXPORT SurfaceManager { | |
| 25 public: | |
| 26 SurfaceManager(); | |
| 27 ~SurfaceManager(); | |
| 28 | |
| 29 void RegisterSurface(Surface* surface); | |
| 30 void DeregisterSurface(SurfaceId surface_id); | |
| 31 | |
| 32 // Destroy the Surface once a set of sequence numbers has been satisfied. | |
| 33 void Destroy(scoped_ptr<Surface> surface); | |
| 34 | |
| 35 Surface* GetSurfaceForId(SurfaceId surface_id); | |
| 36 | |
| 37 void AddObserver(SurfaceDamageObserver* obs) { | |
| 38 observer_list_.AddObserver(obs); | |
| 39 } | |
| 40 | |
| 41 void RemoveObserver(SurfaceDamageObserver* obs) { | |
| 42 observer_list_.RemoveObserver(obs); | |
| 43 } | |
| 44 | |
| 45 bool SurfaceModified(SurfaceId surface_id); | |
| 46 | |
| 47 // A frame for a surface satisfies a set of sequence numbers in a particular | |
| 48 // id namespace. | |
| 49 void DidSatisfySequences(uint32_t id_namespace, | |
| 50 std::vector<uint32_t>* sequence); | |
| 51 | |
| 52 private: | |
| 53 void SearchForSatisfaction(); | |
| 54 | |
| 55 typedef base::hash_map<SurfaceId, Surface*> SurfaceMap; | |
| 56 SurfaceMap surface_map_; | |
| 57 base::ObserverList<SurfaceDamageObserver> observer_list_; | |
| 58 base::ThreadChecker thread_checker_; | |
| 59 | |
| 60 // List of surfaces to be destroyed, along with what sequences they're still | |
| 61 // waiting on. | |
| 62 typedef std::list<Surface*> SurfaceDestroyList; | |
| 63 SurfaceDestroyList surfaces_to_destroy_; | |
| 64 | |
| 65 // Set of SurfaceSequences that have been satisfied by a frame but not yet | |
| 66 // waited on. | |
| 67 base::hash_set<SurfaceSequence> satisfied_sequences_; | |
| 68 | |
| 69 DISALLOW_COPY_AND_ASSIGN(SurfaceManager); | |
| 70 }; | |
| 71 | |
| 72 } // namespace cc | |
| 73 | |
| 74 #endif // CC_SURFACES_SURFACE_MANAGER_H_ | |
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