| // Copyright 2014 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_STORAGE_MANAGER_H_ |
| #define CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_STORAGE_MANAGER_H_ |
| |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/scoped_observer.h" |
| #include "chrome/browser/extensions/api/extension_action/extension_action_api.h" |
| #include "extensions/browser/extension_registry_observer.h" |
| |
| class ExtensionAction; |
| |
| namespace content { |
| class BrowserContext; |
| } |
| |
| namespace extensions { |
| class ExtensionRegistry; |
| class StateStore; |
| |
| // This class manages reading and writing browser action values from storage. |
| class ExtensionActionStorageManager : public ExtensionActionAPI::Observer, |
| public ExtensionRegistryObserver { |
| public: |
| explicit ExtensionActionStorageManager(content::BrowserContext* context); |
| ~ExtensionActionStorageManager() override; |
| |
| private: |
| // ExtensionActionAPI::Observer: |
| void OnExtensionActionUpdated( |
| ExtensionAction* extension_action, |
| content::WebContents* web_contents, |
| content::BrowserContext* browser_context) override; |
| void OnExtensionActionAPIShuttingDown() override; |
| |
| // ExtensionRegistryObserver: |
| void OnExtensionLoaded(content::BrowserContext* browser_context, |
| const Extension* extension) override; |
| |
| // Reads/Writes the ExtensionAction's default values to/from storage. |
| void WriteToStorage(ExtensionAction* extension_action); |
| void ReadFromStorage(const std::string& extension_id, |
| std::unique_ptr<base::Value> value); |
| |
| // Returns the Extensions StateStore for the |browser_context_|. |
| // May return NULL. |
| StateStore* GetStateStore(); |
| |
| content::BrowserContext* browser_context_; |
| |
| ScopedObserver<ExtensionActionAPI, ExtensionActionAPI::Observer> |
| extension_action_observer_; |
| |
| ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver> |
| extension_registry_observer_; |
| |
| base::WeakPtrFactory<ExtensionActionStorageManager> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ExtensionActionStorageManager); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_STORAGE_MANAGER_H_ |