1 // Copyright 2014 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_BROWSER_DRIVE_DRIVE_APP_REGISTRY_H_ 6 #define CHROME_BROWSER_DRIVE_DRIVE_APP_REGISTRY_H_ 7 8 #include <map> 9 #include <string> 10 #include <vector> 11 12 #include "base/callback_forward.h" 13 #include "base/files/file_path.h" 14 #include "base/memory/scoped_ptr.h" 15 #include "base/memory/weak_ptr.h" 16 #include "base/observer_list.h" 17 #include "google_apis/drive/gdata_errorcode.h" 18 #include "url/gurl.h" 19 20 namespace google_apis { 21 class AppList; 22 } // namespace google_apis 23 24 namespace drive { 25 26 class DriveAppRegistryObserver; 27 class DriveServiceInterface; 28 29 // Data structure that defines Drive app. See 30 // https://chrome.google.com/webstore/category/collection/drive_apps for 31 // Drive apps available on the webstore. 32 struct DriveAppInfo { 33 typedef std::vector<std::pair<int, GURL> > IconList; 34 35 DriveAppInfo(); 36 DriveAppInfo(const std::string& app_id, 37 const std::string& product_id, 38 const IconList& app_icons, 39 const IconList& document_icons, 40 const std::string& app_name, 41 const GURL& create_url, 42 bool is_removable); 43 ~DriveAppInfo(); 44 45 // Drive app id. 46 std::string app_id; 47 // Drive app's product id. This is different from app id that is used inside 48 // Drive. Product id is an id for the app in webstore; hence, it can be used 49 // for identifying the same app install as Chrome extension and as Drive app 50 // at the same time. 51 std::string product_id; 52 // Drive application icon URLs for this app, paired with their size (length of 53 // a side in pixels). 54 IconList app_icons; 55 // Drive document icon URLs for this app, paired with their size (length of 56 // a side in pixels). 57 IconList document_icons; 58 // App name. 59 std::string app_name; 60 // URL for opening a new file in the app. Empty if the app does not support 61 // new file creation. 62 GURL create_url; 63 // Returns if UninstallApp() is allowed for the app. Built-in apps have this 64 // field set false. 65 bool is_removable; 66 }; 67 68 // Callback type for UninstallApp(). 69 typedef base::Callback<void(google_apis::GDataErrorCode)> UninstallCallback; 70 71 // Keeps the track of installed drive applications in-memory. 72 class DriveAppRegistry { 73 public: 74 explicit DriveAppRegistry(DriveServiceInterface* scheduler); 75 ~DriveAppRegistry(); 76 77 // Returns a list of Drive app information for the |file_extension| with 78 // |mime_type|. 79 void GetAppsForFile(const base::FilePath::StringType& file_extension, 80 const std::string& mime_type, 81 std::vector<DriveAppInfo>* apps) const; 82 83 // Returns the list of all Drive apps installed. 84 void GetAppList(std::vector<DriveAppInfo>* apps) const; 85 86 // Uninstalls the app specified by |app_id|. This method sends requests to the 87 // remote server, and returns the result to |callback| asynchronously. When 88 // succeeded, the callback receives HTTP_NO_CONTENT, and error code otherwise. 89 // |callback| must not be null. 90 void UninstallApp(const std::string& app_id, 91 const UninstallCallback& callback); 92 93 // Checks whether UinstallApp is supported. The feature is available only for 94 // clients with whitelisted API keys (like Official Google Chrome build). 95 static bool IsAppUninstallSupported(); 96 97 // Updates this registry by fetching the data from the server. 98 void Update(); 99 100 // Updates this registry from the |app_list|. 101 void UpdateFromAppList(const google_apis::AppList& app_list); 102 103 void AddObserver(DriveAppRegistryObserver* observer); 104 void RemoveObserver(DriveAppRegistryObserver* observer); 105 106 private: 107 // Part of Update(). Runs upon the completion of fetching the Drive apps 108 // data from the server. 109 void UpdateAfterGetAppList(google_apis::GDataErrorCode gdata_error, 110 scoped_ptr<google_apis::AppList> app_list); 111 112 // Part of UninstallApp(). Receives the response from the server. 113 void OnAppUninstalled(const std::string& app_id, 114 const UninstallCallback& callback, 115 google_apis::GDataErrorCode error); 116 117 // Map of application id to each app's info. 118 std::map<std::string, DriveAppInfo> all_apps_; 119 120 // Defines mapping between file content type selectors (extensions, MIME 121 // types) and corresponding app. 122 typedef std::multimap<std::string, std::string> DriveAppFileSelectorMap; 123 DriveAppFileSelectorMap extension_map_; 124 DriveAppFileSelectorMap mimetype_map_; 125 126 DriveServiceInterface* drive_service_; 127 128 bool is_updating_; 129 130 ObserverList<DriveAppRegistryObserver> observers_; 131 132 // Note: This should remain the last member so it'll be destroyed and 133 // invalidate the weak pointers before any other members are destroyed. 134 base::WeakPtrFactory<DriveAppRegistry> weak_ptr_factory_; 135 136 DISALLOW_COPY_AND_ASSIGN(DriveAppRegistry); 137 }; 138 139 namespace util { 140 141 // The preferred icon size, which should usually be used for FindPreferredIcon; 142 const int kPreferredIconSize = 16; 143 144 // Finds an icon in the list of icons. If unable to find an icon of the exact 145 // size requested, returns one with the next larger size. If all icons are 146 // smaller than the preferred size, we'll return the largest one available. 147 // Icons do not have to be sorted by the icon size. If there are no icons in 148 // the list, returns an empty URL. 149 GURL FindPreferredIcon(const DriveAppInfo::IconList& icons, 150 int preferred_size); 151 152 } // namespace util 153 154 } // namespace drive 155 156 #endif // CHROME_BROWSER_DRIVE_DRIVE_APP_REGISTRY_H_ 157
