content/browser/renderer_host/image_transport_factory_android.h

   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_