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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Defines the Chrome Extensions WebNavigation API functions for observing and | |
| 6 // intercepting navigation events, as specified in | |
| 7 // chrome/common/extensions/api/extension_api.json. | |
| 8 | |
| 9 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_WEBNAVIGATION_API_H_ | |
| 10 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_WEBNAVIGATION_API_H_ | |
| 11 #pragma once | |
| 12 | |
| 13 #include "base/singleton.h" | |
| 14 #include "chrome/browser/extensions/extension_function.h" | |
| 15 #include "chrome/browser/tab_contents/navigation_controller.h" | |
| 16 #include "chrome/common/notification_registrar.h" | |
| 17 #include "googleurl/src/gurl.h" | |
| 18 | |
| 19 // Observes navigation notifications and routes them as events to the extension | |
| 20 // system. | |
| 21 class ExtensionWebNavigationEventRouter : public NotificationObserver { | |
| 22 public: | |
| 23 // Single instance of the event router. | |
| 24 static ExtensionWebNavigationEventRouter* GetInstance(); | |
| 25 | |
| 26 void Init(); | |
| 27 | |
| 28 private: | |
| 29 friend struct DefaultSingletonTraits<ExtensionWebNavigationEventRouter>; | |
| 30 | |
| 31 ExtensionWebNavigationEventRouter() {} | |
| 32 virtual ~ExtensionWebNavigationEventRouter() {} | |
| 33 | |
| 34 // NotificationObserver implementation. | |
| 35 virtual void Observe(NotificationType type, | |
| 36 const NotificationSource& source, | |
| 37 const NotificationDetails& details); | |
| 38 | |
| 39 // Handler for the NAV_ENTRY_COMMITTED event. The method takes the details of | |
| 40 // such an event and constructs a suitable JSON formatted extension event | |
| 41 // from it. | |
| 42 void NavEntryCommitted(NavigationController* controller, | |
| 43 NavigationController::LoadCommittedDetails* details); | |
| 44 | |
| 45 // This method dispatches events to the extension message service. | |
| 46 void DispatchEvent(Profile* context, | |
| 47 const char* event_name, | |
| 48 const std::string& json_args); | |
| 49 | |
| 50 // Used for tracking registrations to navigation notifications. | |
| 51 NotificationRegistrar registrar_; | |
| 52 | |
| 53 DISALLOW_COPY_AND_ASSIGN(ExtensionWebNavigationEventRouter); | |
| 54 }; | |
| 55 | |
| 56 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_WEBNAVIGATION_API_H_ | |
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Chromium Code Reviews
Issue 3317013:
Revert 58802 - Implement the webNavigation.onCommitted event.... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/