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/android/jni_android.h"
   9 #include "base/basictypes.h"
  10 #include "base/containers/scoped_ptr_hash_map.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "content/common/content_export.h"
  13 #include "ui/base/android/system_ui_resource_manager.h"
  14
  15 class SkBitmap;
  16
  17 namespace cc {
  18 class UIResourceBitmap;
  19 }
  20
  21 namespace content {
  22
  23 class UIResourceProvider;
  24
  25 class CONTENT_EXPORT SystemUIResourceManagerImpl
  26     : public ui::SystemUIResourceManager {
  27  public:
  28   explicit SystemUIResourceManagerImpl(
  29       UIResourceProvider* ui_resource_provider);
  30   ~SystemUIResourceManagerImpl() override;
  31
  32   void PreloadResource(ui::SystemUIResourceType type) override;
  33   cc::UIResourceId GetUIResourceId(ui::SystemUIResourceType type) override;
  34
  35   static bool RegisterUIResources(JNIEnv* env);
  36
  37  private:
  38   friend class TestSystemUIResourceManagerImpl;
  39   class Entry;
  40
  41   // Start loading the resource bitmap.  virtual for testing.
  42   virtual void BuildResource(ui::SystemUIResourceType type);
  43
  44   Entry* GetEntry(ui::SystemUIResourceType type);
  45   void OnFinishedLoadBitmap(ui::SystemUIResourceType, SkBitmap* bitmap_holder);
  46
  47   scoped_ptr<Entry> resource_map_[ui::SYSTEM_UI_RESOURCE_TYPE_LAST + 1];
  48   UIResourceProvider* ui_resource_provider_;
  49
  50   base::WeakPtrFactory<SystemUIResourceManagerImpl> weak_factory_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(SystemUIResourceManagerImpl);
  53 };
  54
  55 }  // namespace content
  56
  57 #endif  // CONTENT_BROWSER_ANDROID_SYSTEM_UI_RESOURCE_MANAGER_IMPL_H_