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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 "base/containers/hash_tables.h"
      9 #include "base/macros.h"
     10 #include "base/observer_list.h"
     11 #include "base/threading/thread_checker.h"
     12 #include "cc/surfaces/surface_damage_observer.h"
     13 #include "cc/surfaces/surface_id.h"
     14 #include "cc/surfaces/surfaces_export.h"
     15 
     16 namespace cc {
     17 class CompositorFrame;
     18 class Surface;
     19 
     20 class CC_SURFACES_EXPORT SurfaceManager {
     21  public:
     22   SurfaceManager();
     23   ~SurfaceManager();
     24 
     25   void RegisterSurface(Surface* surface);
     26   void DeregisterSurface(SurfaceId surface_id);
     27 
     28   Surface* GetSurfaceForId(SurfaceId surface_id);
     29 
     30   void AddObserver(SurfaceDamageObserver* obs) {
     31     observer_list_.AddObserver(obs);
     32   }
     33 
     34   void RemoveObserver(SurfaceDamageObserver* obs) {
     35     observer_list_.RemoveObserver(obs);
     36   }
     37 
     38   void SurfaceModified(SurfaceId surface_id);
     39 
     40  private:
     41   typedef base::hash_map<SurfaceId, Surface*> SurfaceMap;
     42   SurfaceMap surface_map_;
     43   ObserverList<SurfaceDamageObserver> observer_list_;
     44   base::ThreadChecker thread_checker_;
     45 
     46   DISALLOW_COPY_AND_ASSIGN(SurfaceManager);
     47 };
     48 
     49 }  // namespace cc
     50 
     51 #endif  // CC_SURFACES_SURFACE_MANAGER_H_
     52