Adds locale strings to Chromecast build.

chromecast/common/cast_resource_delegate.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 CHROMECAST_COMMON_CAST_RESOURCE_DELEGATE_H_
+#define CHROMECAST_COMMON_CAST_RESOURCE_DELEGATE_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted_memory.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/base/resource/resource_bundle.h"
+
+namespace base {
+class FilePath;
+}
+
+namespace gfx {
+class Image;
+}
+
+namespace chromecast {
+
+// A singleton resource bundle delegate. Primary purpose is to indicate the
+// correct locale pack file to load.
+class CastResourceDelegate : public ui::ResourceBundle::Delegate {
+ public:
+  // Returns the singleton of delegate. It doesn't create an instance.
+  static CastResourceDelegate* GetInstance();
+
+  CastResourceDelegate();
+  virtual ~CastResourceDelegate();
+
+  // ui:ResourceBundle::Delegate implementation:
+  virtual base::FilePath GetPathForResourcePack(
+      const base::FilePath& pack_path,
+      ui::ScaleFactor scale_factor) OVERRIDE;
+  virtual base::FilePath GetPathForLocalePack(
+      const base::FilePath& pack_path,
+      const std::string& locale) OVERRIDE;
+  virtual gfx::Image GetImageNamed(int resource_id) OVERRIDE;
+  virtual gfx::Image GetNativeImageNamed(
+      int resource_id,
+      ui::ResourceBundle::ImageRTL rtl) OVERRIDE;
+  virtual base::RefCountedStaticMemory* LoadDataResourceBytes(
+      int resource_id,
+      ui::ScaleFactor scale_factor) OVERRIDE;
+  virtual bool GetRawDataResource(int resource_id,
+                                  ui::ScaleFactor scale_factor,
+                                  base::StringPiece* value) OVERRIDE;
+  virtual bool GetLocalizedString(int message_id,
+                                  base::string16* value) OVERRIDE;
+  virtual scoped_ptr<gfx::Font> GetFont(
+      ui::ResourceBundle::FontStyle style) OVERRIDE;
+
+  // Adds/removes/clears extra localized strings.
+  void AddExtraLocalizedString(int resource_id,
+                               const base::string16& localized);
+  void RemoveExtraLocalizedString(int resource_id);
+  void ClearAllExtraLocalizedStrings();
+
+ private:
+  typedef base::hash_map<int, base::string16> ExtraLocaledStringMap;
+
+  // Sigleton instance.
+  static CastResourceDelegate* g_instance_;
+
+  ExtraLocaledStringMap extra_localized_strings_;
+
+  DISALLOW_COPY_AND_ASSIGN(CastResourceDelegate);
+};
+
+}  // namespace chromecast
+
+#endif  // CHROMECAST_COMMON_CAST_RESOURCE_DELEGATE_H_