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      1 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_FACTORY_ANDROID_H_
      6 #define CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_FACTORY_ANDROID_H_
      7 
      8 #include "base/memory/scoped_ptr.h"
      9 #include "content/common/content_export.h"
     10 #include "ui/gfx/native_widget_types.h"
     11 
     12 namespace gfx {
     13 class GLShareGroup;
     14 }
     15 
     16 namespace gpu {
     17 namespace gles2 {
     18 class GLES2Interface;
     19 }
     20 }
     21 
     22 namespace content {
     23 class GLHelper;
     24 class GLContextLostListener;
     25 
     26 class ImageTransportFactoryAndroidObserver {
     27  public:
     28   virtual ~ImageTransportFactoryAndroidObserver() {}
     29   virtual void OnLostResources() = 0;
     30 };
     31 
     32 class CONTENT_EXPORT ImageTransportFactoryAndroid {
     33  public:
     34   virtual ~ImageTransportFactoryAndroid();
     35 
     36   // Initializes the global transport factory for unit tests.
     37   static void InitializeForUnitTests(
     38       scoped_ptr<ImageTransportFactoryAndroid> test_factory);
     39   // Terminates the global transport factory for unit tests.
     40   static void TerminateForUnitTests();
     41 
     42   static ImageTransportFactoryAndroid* GetInstance();
     43 
     44   virtual GLHelper* GetGLHelper() = 0;
     45   virtual uint32 GetChannelID() = 0;
     46 
     47   static void AddObserver(ImageTransportFactoryAndroidObserver* observer);
     48   static void RemoveObserver(ImageTransportFactoryAndroidObserver* observer);
     49 
     50 protected:
     51   ImageTransportFactoryAndroid();
     52 
     53   scoped_ptr<GLContextLostListener> context_lost_listener_;
     54 };
     55 
     56 }  // namespace content
     57 
     58 #endif  // CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_FACTORY_ANDROID_H_
     59