| // Copyright (c) 2012 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. |
| |
| #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_MANAGER_H_ |
| #define CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_MANAGER_H_ |
| |
| #include <map> |
| #include <memory> |
| #include <string> |
| |
| #include "base/scoped_observer.h" |
| #include "components/keyed_service/core/keyed_service.h" |
| #include "extensions/browser/extension_registry.h" |
| #include "extensions/browser/extension_registry_observer.h" |
| #include "extensions/common/api/extension_action/action_info.h" |
| |
| class ExtensionAction; |
| class Profile; |
| |
| namespace extensions { |
| |
| class Extension; |
| |
| // Owns the ExtensionActions associated with each extension. These actions live |
| // while an extension is loaded and are destroyed on unload. |
| class ExtensionActionManager : public KeyedService, |
| public ExtensionRegistryObserver { |
| public: |
| explicit ExtensionActionManager(Profile* profile); |
| ~ExtensionActionManager() override; |
| |
| // Returns this profile's ExtensionActionManager. One instance is |
| // shared between a profile and its incognito version. |
| static ExtensionActionManager* Get(content::BrowserContext* browser_context); |
| |
| // Returns the action associated with the extension (specified through the |
| // "action", "browser_action", or "page_action" keys), or null if none exists. |
| // Since an extension can only declare one of these, this is safe to use |
| // anywhere callers simply need to get at the action and don't care about |
| // the manifest key. |
| ExtensionAction* GetExtensionAction(const Extension& extension) const; |
| |
| private: |
| // Implement ExtensionRegistryObserver. |
| void OnExtensionUnloaded(content::BrowserContext* browser_context, |
| const Extension* extension, |
| UnloadedExtensionReason reason) override; |
| |
| Profile* profile_; |
| |
| // Listen to extension unloaded notifications. |
| ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver> |
| extension_registry_observer_{this}; |
| |
| // Keyed by Extension ID. These maps are populated lazily when their |
| // ExtensionAction is first requested, and the entries are removed when the |
| // extension is unloaded. Not every extension has an action. |
| using ExtIdToActionMap = |
| std::map<std::string, std::unique_ptr<ExtensionAction>>; |
| mutable ExtIdToActionMap actions_; |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_MANAGER_H_ |