| // 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_ACTIVE_TAB_PERMISSION_GRANTER_H_ |
| #define CHROME_BROWSER_EXTENSIONS_ACTIVE_TAB_PERMISSION_GRANTER_H_ |
| |
| #include <set> |
| #include <string> |
| |
| #include "chrome/common/extensions/extension_set.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "extensions/common/url_pattern_set.h" |
| |
| class Profile; |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| namespace extensions { |
| |
| class Extension; |
| |
| // Responsible for granting and revoking tab-specific permissions to extensions |
| // with the activeTab or tabCapture permission. |
| class ActiveTabPermissionGranter : public content::WebContentsObserver, |
| public content::NotificationObserver { |
| public: |
| ActiveTabPermissionGranter(content::WebContents* web_contents, |
| int tab_id, |
| Profile* profile); |
| virtual ~ActiveTabPermissionGranter(); |
| |
| // If |extension| has the activeTab or tabCapture permission, grants |
| // tab-specific permissions to it until the next page navigation or refresh. |
| void GrantIfRequested(const Extension* extension); |
| |
| private: |
| // content::WebContentsObserver implementation. |
| virtual void DidNavigateMainFrame( |
| const content::LoadCommittedDetails& details, |
| const content::FrameNavigateParams& params) OVERRIDE; |
| virtual void WebContentsDestroyed(content::WebContents* web_contents) |
| OVERRIDE; |
| |
| // content::NotificationObserver implementation. |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| |
| // Clears any tab-specific permissions for all extensions on |tab_id_| and |
| // notifies renderers. |
| void ClearActiveExtensionsAndNotify(); |
| |
| // The tab ID for this tab. |
| int tab_id_; |
| |
| // Extensions with the activeTab permission that have been granted |
| // tab-specific permissions until the next navigation/refresh. |
| ExtensionSet granted_extensions_; |
| |
| // Listen to extension unloaded notifications. |
| content::NotificationRegistrar registrar_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ActiveTabPermissionGranter); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_ACTIVE_TAB_PERMISSION_GRANTER_H_ |