// Copyright (c) 2010 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. // // This class implements a simplified and much stripped down version of // Chrome's app/resource_bundle machinery. It notably avoids unwanted // dependencies on things like Skia. // #ifndef CHROME_FRAME_SIMPLE_RESOURCE_LOADER_H_ #define CHROME_FRAME_SIMPLE_RESOURCE_LOADER_H_ #include #include #include "base/file_path.h" #include "base/gtest_prod_util.h" #include "base/singleton.h" class SimpleResourceLoader { public: static SimpleResourceLoader* instance() { return Singleton::get(); } // Helper method to return the string resource identified by message_id // from the currently loaded locale dll. static std::wstring Get(int message_id); // Retrieves the HINSTANCE of the loaded module handle. May be NULL if a // resource DLL could not be loaded. HINSTANCE GetResourceModuleHandle(); private: SimpleResourceLoader(); ~SimpleResourceLoader(); // Retrieves the system language and the region using ICU. void GetSystemLocale(std::wstring* language, std::wstring* region); // Uses |locale| to build the resource DLL name and then looks for the named // DLL in known locales paths. If it doesn't find it, it falls back to // looking for an en-US.dll. // // Returns true if a locale DLL can be found, false otherwise. bool GetLocaleFilePath(const std::wstring& language, const std::wstring& region, FilePath* file_path); // Loads the locale dll at the given path. Returns a handle to the DLL or // NULL on failure. HINSTANCE LoadLocaleDll(const FilePath& dll_path); // Returns the string resource identified by message_id from the currently // loaded locale dll. std::wstring GetLocalizedResource(int message_id); friend struct DefaultSingletonTraits; FRIEND_TEST_ALL_PREFIXES(SimpleResourceLoaderTest, GetLocaleFilePath); static HINSTANCE locale_dll_handle_; }; #endif // CHROME_FRAME_SIMPLE_RESOURCE_LOADER_H_