| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_SURFACES_SURFACE_MANAGER_H_ |
| #define CC_SURFACES_SURFACE_MANAGER_H_ |
| |
| #include <list> |
| #include <set> |
| #include <vector> |
| |
| #include "base/containers/hash_tables.h" |
| #include "base/macros.h" |
| #include "base/observer_list.h" |
| #include "base/threading/thread_checker.h" |
| #include "cc/surfaces/surface_damage_observer.h" |
| #include "cc/surfaces/surface_id.h" |
| #include "cc/surfaces/surface_sequence.h" |
| #include "cc/surfaces/surfaces_export.h" |
| |
| namespace cc { |
| class CompositorFrame; |
| class Surface; |
| |
| class CC_SURFACES_EXPORT SurfaceManager { |
| public: |
| SurfaceManager(); |
| ~SurfaceManager(); |
| |
| void RegisterSurface(Surface* surface); |
| void DeregisterSurface(SurfaceId surface_id); |
| |
| // Destroy the Surface once a set of sequence numbers has been satisfied. |
| void DestroyOnSequence(scoped_ptr<Surface> surface, |
| const std::set<SurfaceSequence>& dependency_set); |
| |
| Surface* GetSurfaceForId(SurfaceId surface_id); |
| |
| void AddObserver(SurfaceDamageObserver* obs) { |
| observer_list_.AddObserver(obs); |
| } |
| |
| void RemoveObserver(SurfaceDamageObserver* obs) { |
| observer_list_.RemoveObserver(obs); |
| } |
| |
| void SurfaceModified(SurfaceId surface_id); |
| |
| // A frame for a surface satisfies a set of sequence numbers. |
| void DidSatisfySequences(SurfaceId id, std::vector<uint32_t>* sequence); |
| |
| private: |
| void SearchForSatisfaction(); |
| |
| typedef base::hash_map<SurfaceId, Surface*> SurfaceMap; |
| SurfaceMap surface_map_; |
| ObserverList<SurfaceDamageObserver> observer_list_; |
| base::ThreadChecker thread_checker_; |
| |
| // List of surfaces to be destroyed, along with what sequences they're still |
| // waiting on. |
| typedef std::list<std::pair<Surface*, std::set<SurfaceSequence>>> |
| SurfaceDestroyList; |
| SurfaceDestroyList surfaces_to_destroy_; |
| |
| // Set of SurfaceSequences that have been satisfied by a frame but not yet |
| // waited on. |
| std::set<SurfaceSequence> satisfied_sequences_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SurfaceManager); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_SURFACES_SURFACE_MANAGER_H_ |