1 // Copyright (c) 2012 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.
5 #ifndef CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_
6 #define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_
12 #include "base/callback.h"
13 #include "base/files/file_path.h"
14 #include "base/macros.h"
15 #include "base/strings/string16.h"
16 #include "build/build_config.h"
17 #include "chrome/browser/shell_integration.h"
18 #include "chrome/common/web_application_info.h"
26 namespace extensions {
34 // This namespace contains everything related to integrating Chrome apps into
35 // the OS. E.g. creating and updating shorcuts for apps, setting up file
39 // Represents the info required to create a shortcut for an app.
44 // Run an IO task on a worker thread. Ownership of |shortcut_info| transfers
45 // to a closure that deletes it on the UI thread when the task is complete.
46 // Tasks posted here run with BACKGROUND priority and block shutdown.
47 // TODO(tapted): |reply| should be a OnceClosure, but first
48 // extensions::ImageLoaderImageCallback must be converted.
49 static void PostIOTask(base::OnceCallback<void(const ShortcutInfo&)> task,
50 std::unique_ptr<ShortcutInfo> shortcut_info);
51 static void PostIOTaskAndReply(
52 base::OnceCallback<void(const ShortcutInfo&)> task,
53 std::unique_ptr<ShortcutInfo> shortcut_info,
54 const base::Closure& reply);
56 // The task runner for running shortcut tasks. On Windows this will be a task
57 // runner that permits access to COM libraries. Shortcut tasks typically deal
58 // with ensuring Profile changes are reflected on disk, so shutdown is always
59 // blocked so that an inconsistent shortcut state is not left on disk.
60 static scoped_refptr<base::TaskRunner> GetTaskRunner();
63 // If |extension_id| is non-empty, this is short cut is to an extension-app
64 // and the launch url will be detected at start-up. In this case, |url|
65 // is still used to generate the app id (windows app id, not chrome app id).
66 std::string extension_id;
67 bool is_platform_app = false;
68 bool from_bookmark = false;
70 base::string16 description;
71 base::FilePath extension_path;
72 gfx::ImageFamily favicon;
73 base::FilePath profile_path;
74 std::string profile_name;
75 std::string version_for_display;
78 // ShortcutInfo must not be copied; generally it is passed around via
79 // unique_ptr. Since ImageFamily has a non-thread-safe reference count in
80 // its member and is bound to UI thread, destroy ShortcutInfo instance
82 DISALLOW_COPY_AND_ASSIGN(ShortcutInfo);
85 // This specifies a folder in the system applications menu (e.g the Start Menu
88 // These represent the applications menu root, the "Google Chrome" folder and
89 // the "Chrome Apps" folder respectively.
91 // APP_MENU_LOCATION_HIDDEN specifies a shortcut that is used to register the
92 // app with the OS (in order to give its windows shelf icons, and correct icons
93 // and titles), but the app should not show up in menus or search results.
95 // NB: On Linux, these locations may not be used by the window manager (e.g
96 // Unity and Gnome Shell).
97 enum ApplicationsMenuLocation {
98 APP_MENU_LOCATION_NONE,
99 APP_MENU_LOCATION_SUBDIR_CHROMEAPPS,
100 APP_MENU_LOCATION_HIDDEN,
103 // Info about which locations to create app shortcuts in.
104 struct ShortcutLocations {
109 ApplicationsMenuLocation applications_menu_location;
111 // For Windows, this refers to quick launch bar prior to Win7. In Win7,
112 // this means "pin to taskbar". For Mac/Linux, this could be used for
113 // Mac dock or the gnome/kde application launcher. However, those are not
115 bool in_quick_launch_bar;
118 // This encodes the cause of shortcut creation as the correct behavior in each
119 // case is implementation specific.
120 enum ShortcutCreationReason {
121 SHORTCUT_CREATION_BY_USER,
122 SHORTCUT_CREATION_AUTOMATED,
125 // Called by GetShortcutInfoForApp after fetching the ShortcutInfo.
126 typedef base::Callback<void(std::unique_ptr<ShortcutInfo>)>
127 ShortcutInfoCallback;
129 std::unique_ptr<ShortcutInfo> ShortcutInfoForExtensionAndProfile(
130 const extensions::Extension* app,
133 // Populates a ShortcutInfo for the given |extension| in |profile| and passes
134 // it to |callback| after asynchronously loading all icon representations.
135 void GetShortcutInfoForApp(const extensions::Extension* extension,
137 const ShortcutInfoCallback& callback);
139 // Whether to create a shortcut for this type of extension.
140 bool ShouldCreateShortcutFor(web_app::ShortcutCreationReason reason,
142 const extensions::Extension* extension);
144 // Gets the user data directory for given web app. The path for the directory is
145 // based on |extension_id|. If |extension_id| is empty then |url| is used
146 // to construct a unique ID.
147 base::FilePath GetWebAppDataDirectory(const base::FilePath& profile_path,
148 const std::string& extension_id,
151 // Gets the user data directory to use for |extension| located inside
153 base::FilePath GetWebAppDataDirectory(const base::FilePath& profile_path,
154 const extensions::Extension& extension);
156 // Compute a deterministic name based on data in the shortcut_info.
157 std::string GenerateApplicationNameFromInfo(const ShortcutInfo& shortcut_info);
159 // Compute a deterministic name based on the URL. We use this pseudo name
160 // as a key to store window location per application URLs in Browser and
161 // as app id for BrowserWindow, shortcut and jump list.
162 std::string GenerateApplicationNameFromURL(const GURL& url);
164 // Compute a deterministic name based on an extension/apps's id.
165 std::string GenerateApplicationNameFromExtensionId(const std::string& id);
167 // Extracts the extension id from the app name.
168 std::string GetExtensionIdFromApplicationName(const std::string& app_name);
170 // Create shortcuts for web application based on given shortcut data.
171 // |shortcut_info| contains information about the shortcuts to create, and
172 // |locations| contains information about where to create them.
173 void CreateShortcutsWithInfo(ShortcutCreationReason reason,
174 const ShortcutLocations& locations,
175 std::unique_ptr<ShortcutInfo> shortcut_info);
177 // Creates shortcuts for an app. This loads the app's icon from disk, and calls
178 // CreateShortcutsWithInfo(). If you already have a ShortcutInfo with the app's
179 // icon loaded, you should use CreateShortcutsWithInfo() directly.
180 void CreateShortcuts(ShortcutCreationReason reason,
181 const ShortcutLocations& locations,
183 const extensions::Extension* app);
185 // Delete all shortcuts that have been created for the given profile and
187 void DeleteAllShortcuts(Profile* profile, const extensions::Extension* app);
189 // Updates shortcuts for |app|, but does not create new ones if shortcuts are
190 // not present in user-facing locations. Some platforms may still (re)create
191 // hidden shortcuts to interact correctly with the system shelf.
192 // |old_app_title| contains the title of the app prior to this update.
193 // |callback| is invoked once the FILE thread tasks have completed.
194 void UpdateAllShortcuts(const base::string16& old_app_title,
196 const extensions::Extension* app,
197 const base::Closure& callback);
199 // Updates shortcuts for all apps in this profile. This is expected to be called
201 void UpdateShortcutsForAllApps(Profile* profile,
202 const base::Closure& callback);
204 // Returns true if given url is a valid web app url.
205 bool IsValidUrl(const GURL& url);
207 #if defined(OS_LINUX) || defined(OS_BSD)
208 // Windows that correspond to web apps need to have a deterministic (and
209 // different) WMClass than normal chrome windows so the window manager groups
210 // them as a separate application.
211 std::string GetWMClassFromAppName(std::string app_name);
214 namespace internals {
217 // Returns the Windows user-level shortcut paths that are specified in
218 // |creation_locations|.
219 std::vector<base::FilePath> GetShortcutPaths(
220 const ShortcutLocations& creation_locations);
223 // Implemented for each platform, does the platform specific parts of creating
224 // shortcuts. Used internally by CreateShortcuts methods.
225 // |shortcut_data_path| is where to store any resources created for the
226 // shortcut, and is also used as the UserDataDir for platform app shortcuts.
227 // |shortcut_info| contains info about the shortcut to create, and
228 // |creation_locations| contains information about where to create them.
229 bool CreatePlatformShortcuts(const base::FilePath& shortcut_data_path,
230 const ShortcutLocations& creation_locations,
231 ShortcutCreationReason creation_reason,
232 const ShortcutInfo& shortcut_info);
234 // Delete all the shortcuts we have added for this extension. This is the
235 // platform specific implementation of the DeleteAllShortcuts function, and
236 // is executed on the FILE thread.
237 void DeletePlatformShortcuts(const base::FilePath& shortcut_data_path,
238 const ShortcutInfo& shortcut_info);
240 // Updates all the shortcuts we have added for this extension. This is the
241 // platform specific implementation of the UpdateAllShortcuts function, and
242 // is executed on the FILE thread.
243 void UpdatePlatformShortcuts(const base::FilePath& shortcut_data_path,
244 const base::string16& old_app_title,
245 const ShortcutInfo& shortcut_info);
247 // Delete all the shortcuts for an entire profile.
248 // This is executed on the FILE thread.
249 void DeleteAllShortcutsForProfile(const base::FilePath& profile_path);
251 // Sanitizes |name| and returns a version of it that is safe to use as an
252 // on-disk file name .
253 base::FilePath GetSanitizedFileName(const base::string16& name);
255 } // namespace internals
257 } // namespace web_app
259 #endif // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_