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. 4 5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_MANAGER_H_ 6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_MANAGER_H_ 7 8 #include <map> 9 #include <string> 10 11 #include "base/memory/linked_ptr.h" 12 #include "components/browser_context_keyed_service/browser_context_keyed_service.h" 13 #include "content/public/browser/notification_observer.h" 14 #include "content/public/browser/notification_registrar.h" 15 16 class ExtensionAction; 17 class Profile; 18 19 namespace extensions { 20 21 class Extension; 22 23 // Owns the ExtensionActions associated with each extension. These actions live 24 // while an extension is loaded and are destroyed on unload. 25 class ExtensionActionManager : public BrowserContextKeyedService, 26 public content::NotificationObserver { 27 public: 28 explicit ExtensionActionManager(Profile* profile); 29 virtual ~ExtensionActionManager(); 30 31 // Returns this profile's ExtensionActionManager. One instance is 32 // shared between a profile and its incognito version. 33 static ExtensionActionManager* Get(Profile* profile); 34 35 // Retrieves the page action, browser action, or script badge for |extension|. 36 // If the result is not NULL, it remains valid until the extension is 37 // unloaded. 38 ExtensionAction* GetPageAction(const extensions::Extension& extension) const; 39 ExtensionAction* GetBrowserAction( 40 const extensions::Extension& extension) const; 41 ExtensionAction* GetScriptBadge(const extensions::Extension& extension) const; 42 ExtensionAction* GetSystemIndicator( 43 const extensions::Extension& extension) const; 44 45 private: 46 // Implement content::NotificationObserver. 47 virtual void Observe(int type, 48 const content::NotificationSource& source, 49 const content::NotificationDetails& details) OVERRIDE; 50 51 content::NotificationRegistrar registrar_; 52 Profile* profile_; 53 54 // Keyed by Extension ID. These maps are populated lazily when their 55 // ExtensionAction is first requested, and the entries are removed when the 56 // extension is unloaded. Not every extension has a page action or browser 57 // action, but all have a script badge. 58 typedef std::map<std::string, linked_ptr<ExtensionAction> > ExtIdToActionMap; 59 mutable ExtIdToActionMap page_actions_; 60 mutable ExtIdToActionMap browser_actions_; 61 mutable ExtIdToActionMap script_badges_; 62 mutable ExtIdToActionMap system_indicators_; 63 }; 64 65 } // namespace extensions 66 67 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_MANAGER_H_ 68