1 // Copyright (c) 2011 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 CHROME_COMMON_EXTENSIONS_EXTENSION_RESOURCE_H_ 6 #define CHROME_COMMON_EXTENSIONS_EXTENSION_RESOURCE_H_ 7 #pragma once 8 9 #include <string> 10 11 #include "base/file_path.h" 12 13 // Represents a resource inside an extension. For example, an image, or a 14 // JavaScript file. This is more complicated than just a simple FilePath 15 // because extension resources can come from multiple physical file locations 16 // depending on locale. 17 class ExtensionResource { 18 public: 19 ExtensionResource(); 20 21 ExtensionResource(const std::string& extension_id, 22 const FilePath& extension_root, 23 const FilePath& relative_path); 24 25 ~ExtensionResource(); 26 27 // Returns actual path to the resource (default or locale specific). In the 28 // browser process, this will DCHECK if not called on the file thread. To 29 // easily load extension images on the UI thread, see ImageLoadingTracker. 30 const FilePath& GetFilePath() const; 31 32 // Gets the physical file path for the extension resource, taking into account 33 // localization. In the browser process, this will DCHECK if not called on the 34 // file thread. To easily load extension images on the UI thread, see 35 // ImageLoadingTracker. 36 static FilePath GetFilePath(const FilePath& extension_root, 37 const FilePath& relative_path); 38 39 // Getters extension_id()40 const std::string& extension_id() const { return extension_id_; } extension_root()41 const FilePath& extension_root() const { return extension_root_; } relative_path()42 const FilePath& relative_path() const { return relative_path_; } 43 empty()44 bool empty() { return extension_root().empty(); } 45 46 // Unit test helpers. 47 FilePath::StringType NormalizeSeperators( 48 const FilePath::StringType& path) const; 49 bool ComparePathWithDefault(const FilePath& path) const; 50 51 private: 52 // The id of the extension that this resource is associated with. 53 std::string extension_id_; 54 55 // Extension root. 56 FilePath extension_root_; 57 58 // Relative path to resource. 59 FilePath relative_path_; 60 61 // Full path to extension resource. Starts empty. 62 mutable FilePath full_resource_path_; 63 }; 64 65 #endif // CHROME_COMMON_EXTENSIONS_EXTENSION_RESOURCE_H_ 66