| // 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 "chrome/common/extensions/api/extension_action/action_info.h" |
| #include "components/keyed_service/core/keyed_service.h" |
| #include "extensions/browser/extension_registry_observer.h" |
| |
| class ExtensionAction; |
| class Profile; |
| |
| namespace extensions { |
| |
| class Extension; |
| class ExtensionRegistry; |
| |
| // 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); |
| |
| // Retrieves the page action, browser action, or system indicator for |
| // |extension|. |
| // If the result is not NULL, it remains valid until the extension is |
| // unloaded. |
| ExtensionAction* GetPageAction(const Extension& extension) const; |
| ExtensionAction* GetBrowserAction(const Extension& extension) const; |
| ExtensionAction* GetSystemIndicator(const Extension& extension) const; |
| |
| // Returns either the PageAction or BrowserAction for |extension|, or NULL if |
| // none exists. Since an extension can only declare one of Browser|PageAction, |
| // this is okay to use anywhere you need a generic "ExtensionAction". |
| // Since SystemIndicators are used differently and don't follow this |
| // rule of mutual exclusion, they are not checked or returned. |
| ExtensionAction* GetExtensionAction(const Extension& extension) const; |
| |
| // Gets the best fit ExtensionAction for the given |extension|. This takes |
| // into account |extension|'s browser or page actions, if any, along with its |
| // name and any declared icons. |
| std::unique_ptr<ExtensionAction> GetBestFitAction( |
| const Extension& extension, |
| ActionInfo::Type type) 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_; |
| |
| // 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 a page action or browser |
| // action. |
| using ExtIdToActionMap = |
| std::map<std::string, std::unique_ptr<ExtensionAction>>; |
| mutable ExtIdToActionMap page_actions_; |
| mutable ExtIdToActionMap browser_actions_; |
| mutable ExtIdToActionMap system_indicators_; |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_MANAGER_H_ |