Upstream ResourceManager

content/public/browser/android/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 CONTENT_BROWSER_ANDROID_RESOURCE_MANAGER_H_
+#define CONTENT_BROWSER_ANDROID_RESOURCE_MANAGER_H_
+
+#include "base/android/jni_android.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/common/content_export.h"
+#include "ui/gfx/geometry/rect.h"
+
+namespace content {
+
+class UIResourceAndroid;
+
+// A Java counterpart will be generated for this enum.
+// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.content_public.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 CONTENT_EXPORT ResourceManager {
+ public:
+  struct Resource {
+   public:
+    Resource();
+    ~Resource();
+    gfx::Rect Border(const gfx::Size& bounds);

[jdduke (slow), 2014/11/19 18:26:48]

Hmm, it's a little odd to declare this here, but define in a different
(non-public) source file. Don't have a strong opinion here though.

[Jaekyun Seok (inactive), 2014/11/21 12:35:33]

These functions are being called from outside of ResourceManagerImpl, and so I
believe that we should keep these here.

+    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;
+  };
+
+  virtual ~ResourceManager() {}
+
+  virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject(
+      JNIEnv* env) = 0;
+
+  virtual ResourceManager::Resource* GetResource(AndroidResourceType res_type,
+                                                 int res_id) = 0;
+  virtual void PreloadResource(AndroidResourceType res_type, int res_id) = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_ANDROID_RESOURCE_MANAGER_H_