Upstream ResourceManager

ui/android/resources/resource_manager.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_ANDROID_RESOURCES_RESOURCE_MANAGER_H_
+#define UI_ANDROID_RESOURCES_RESOURCE_MANAGER_H_
+
+#include "base/android/jni_android.h"
+#include "base/id_map.h"
+#include "cc/resources/ui_resource_client.h"
+#include "ui/android/ui_android_export.h"
+#include "ui/gfx/geometry/rect.h"
+
+namespace content {
+class UIResourceProvider;
+}
+
+namespace ui {
+
+class UIResourceAndroid;
+
+// A Java counterpart will be generated for this enum.
+// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.ui.resources
+enum AndroidResourceType {
+  ANDROID_RESOURCE_TYPE_STATIC = 0,
+  ANDROID_RESOURCE_TYPE_DYNAMIC,
+  ANDROID_RESOURCE_TYPE_DYNAMIC_BITMAP,
+  ANDROID_RESOURCE_TYPE_SYSTEM,
+
+  ANDROID_RESOURCE_TYPE_COUNT,
+  ANDROID_RESOURCE_TYPE_FIRST = ANDROID_RESOURCE_TYPE_STATIC,
+  ANDROID_RESOURCE_TYPE_LAST = ANDROID_RESOURCE_TYPE_SYSTEM,
+};
+
+class UI_ANDROID_EXPORT ResourceManager {
+ public:
+  struct Resource {
+   public:
+    Resource();
+    ~Resource();
+    gfx::Rect Border(const gfx::Size& bounds);
+    gfx::Rect Border(const gfx::Size& bounds, const gfx::InsetsF& scale);
+
+    scoped_ptr<UIResourceAndroid> ui_resource;
+    gfx::Size size;
+    gfx::Rect padding;
+    gfx::Rect aperture;
+  };
+
+  static ResourceManager* FromJavaObject(jobject jobj);
+
+  explicit ResourceManager(content::UIResourceProvider* ui_resource_provider);
+  virtual ~ResourceManager();
+
+  base::android::ScopedJavaLocalRef<jobject> GetJavaObject(JNIEnv* env);
+
+  ResourceManager::Resource* GetResource(AndroidResourceType res_type,
+                                         int res_id);
+  void PreloadResource(AndroidResourceType res_type, int res_id);
+
+  // Called from Java ----------------------------------------------------------
+  void OnResourceReady(JNIEnv* env,
+                       jobject jobj,
+                       jint res_type,
+                       jint res_id,
+                       jobject bitmap,
+                       jint padding_left,
+                       jint padding_top,
+                       jint padding_right,
+                       jint padding_bottom,
+                       jint aperture_left,
+                       jint aperture_top,
+                       jint aperture_right,
+                       jint aperture_bottom);
+
+  static bool RegisterResourceManager(JNIEnv* env);
+
+ private:
+  typedef IDMap<Resource, IDMapOwnPointer> ResourceMap;
+
+  content::UIResourceProvider* ui_resource_provider_;
+  ResourceMap resources_[ANDROID_RESOURCE_TYPE_COUNT];
+
+  base::android::ScopedJavaGlobalRef<jobject> java_obj_;
+
+  DISALLOW_COPY_AND_ASSIGN(ResourceManager);
+};
+
+}  // namespace ui
+
+#endif  // UI_ANDROID_RESOURCES_RESOURCE_MANAGER_H_