| // 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_NAVIGATION_OBSERVER_H_ |
| #define CHROME_BROWSER_EXTENSIONS_NAVIGATION_OBSERVER_H_ |
| |
| #include <set> |
| #include <string> |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "chrome/browser/extensions/extension_install_prompt.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| |
| class Profile; |
| |
| namespace content { |
| class NavigationController; |
| } |
| |
| namespace extensions { |
| |
| // The NavigationObserver listens to navigation notifications. If the user |
| // navigates into an extension that has been disabled due to a permission |
| // increase, it prompts the user to accept the new permissions and re-enables |
| // the extension. |
| class NavigationObserver : public ExtensionInstallPrompt::Delegate, |
| public content::NotificationObserver { |
| public: |
| explicit NavigationObserver(Profile* profile); |
| virtual ~NavigationObserver(); |
| |
| // content::NotificationObserver |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| private: |
| // Registers for the NOTIFICATION_NAV_ENTRY_COMMITTED notification. |
| void RegisterForNotifications(); |
| |
| // Checks if |nav_controller| has entered an extension's web extent. If it |
| // has and the extension is disabled due to a permissions increase, this |
| // prompts the user to accept the new permissions and enables the extension. |
| void PromptToEnableExtensionIfNecessary( |
| content::NavigationController* nav_controller); |
| |
| // ExtensionInstallPrompt::Delegate callbacks used for the permissions prompt. |
| virtual void InstallUIProceed() OVERRIDE; |
| virtual void InstallUIAbort(bool user_initiated) OVERRIDE; |
| |
| content::NotificationRegistrar registrar_; |
| |
| Profile* profile_; |
| |
| // The UI used to confirm enabling extensions. |
| scoped_ptr<ExtensionInstallPrompt> extension_install_prompt_; |
| |
| // The data we keep track of when prompting to enable extensions. |
| std::string in_progress_prompt_extension_id_; |
| content::NavigationController* in_progress_prompt_navigation_controller_; |
| |
| // The extension ids we've already prompted the user about. |
| std::set<std::string> prompted_extensions_; |
| |
| DISALLOW_COPY_AND_ASSIGN(NavigationObserver); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_NAVIGATION_OBSERVER_H_ |