content/browser/android/system_ui_resource_manager_impl.h

   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 CONTENT_BROWSER_ANDROID_SYSTEM_UI_RESOURCE_MANAGER_IMPL_H_
   6 #define CONTENT_BROWSER_ANDROID_SYSTEM_UI_RESOURCE_MANAGER_IMPL_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/containers/scoped_ptr_hash_map.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "content/common/content_export.h"
  12 #include "ui/base/android/system_ui_resource_manager.h"
  13
  14 class SkBitmap;
  15
  16 namespace cc {
  17 class UIResourceBitmap;
  18 }
  19
  20 namespace content {
  21
  22 class UIResourceProvider;
  23
  24 class CONTENT_EXPORT SystemUIResourceManagerImpl
  25     : public ui::SystemUIResourceManager {
  26  public:
  27   explicit SystemUIResourceManagerImpl(
  28       UIResourceProvider* ui_resource_provider);
  29   virtual ~SystemUIResourceManagerImpl();
  30
  31   virtual void PreloadResource(ResourceType type) override;
  32   virtual cc::UIResourceId GetUIResourceId(ResourceType type) override;
  33
  34  private:
  35   friend class TestSystemUIResourceManagerImpl;
  36   class Entry;
  37
  38   // Start loading the resource bitmap.  virtual for testing.
  39   virtual void BuildResource(ResourceType type);
  40
  41   Entry* GetEntry(ResourceType type);
  42   void OnFinishedLoadBitmap(ResourceType, SkBitmap* bitmap_holder);
  43
  44   scoped_ptr<Entry> resource_map_[RESOURCE_TYPE_LAST + 1];
  45   UIResourceProvider* ui_resource_provider_;
  46
  47   base::WeakPtrFactory<SystemUIResourceManagerImpl> weak_factory_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(SystemUIResourceManagerImpl);
  50 };
  51
  52 }  // namespace content
  53
  54 #endif  // CONTENT_BROWSER_ANDROID_SYSTEM_UI_RESOURCE_MANAGER_IMPL_H_