ui/android/resources/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 UI_ANDROID_RESOURCES_RESOURCE_MANAGER_IMPL_H_
   6 #define UI_ANDROID_RESOURCES_RESOURCE_MANAGER_IMPL_H_
   7
   8 #include "base/id_map.h"
   9 #include "ui/android/resources/resource_manager.h"
  10 #include "ui/android/ui_android_export.h"
  11 #include "ui/gfx/geometry/rect.h"
  12
  13 namespace ui {
  14
  15 class UI_ANDROID_EXPORT ResourceManagerImpl : public ResourceManager {
  16  public:
  17   static ResourceManagerImpl* FromJavaObject(jobject jobj);
  18
  19   explicit ResourceManagerImpl(ui::UIResourceProvider* ui_resource_provider);
  20   ~ResourceManagerImpl() override;
  21
  22   // ResourceManager implementation.
  23   base::android::ScopedJavaLocalRef<jobject> GetJavaObject() override;
  24   Resource* GetResource(AndroidResourceType res_type, int res_id) override;
  25   void PreloadResource(AndroidResourceType res_type, int res_id) override;
  26
  27   // Called from Java
  28   // ----------------------------------------------------------
  29   void OnResourceReady(JNIEnv* env,
  30                        jobject jobj,
  31                        jint res_type,
  32                        jint res_id,
  33                        jobject bitmap,
  34                        jint padding_left,
  35                        jint padding_top,
  36                        jint padding_right,
  37                        jint padding_bottom,
  38                        jint aperture_left,
  39                        jint aperture_top,
  40                        jint aperture_right,
  41                        jint aperture_bottom);
  42
  43   static bool RegisterResourceManager(JNIEnv* env);
  44
  45  private:
  46   friend class TestResourceManagerImpl;
  47
  48   // Start loading the resource. virtual for testing.
  49   virtual void PreloadResourceFromJava(AndroidResourceType res_type,
  50                                        int res_id);
  51   virtual void RequestResourceFromJava(AndroidResourceType res_type,
  52                                        int res_id);
  53
  54   typedef IDMap<Resource, IDMapOwnPointer> ResourceMap;
  55
  56   ui::UIResourceProvider* const ui_resource_provider_;
  57   ResourceMap resources_[ANDROID_RESOURCE_TYPE_COUNT];
  58
  59   base::android::ScopedJavaGlobalRef<jobject> java_obj_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(ResourceManagerImpl);
  62 };
  63
  64 }  // namespace ui
  65
  66 #endif  // UI_ANDROID_RESOURCES_RESOURCE_MANAGER_IMPL_H_