1// Copyright (c) 2011 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#ifndef CHROME_BROWSER_UI_WEBUI_FOREIGN_SESSION_HANDLER_H_ 6#define CHROME_BROWSER_UI_WEBUI_FOREIGN_SESSION_HANDLER_H_ 7#pragma once 8 9#include <vector> 10 11#include "chrome/browser/sessions/session_service.h" 12#include "chrome/browser/sync/glue/session_model_associator.h" 13#include "content/browser/webui/web_ui.h" 14#include "content/common/notification_observer.h" 15#include "content/common/notification_registrar.h" 16 17namespace browser_sync { 18 19class ForeignSessionHandler : public WebUIMessageHandler, 20 public NotificationObserver { 21 public: 22 // WebUIMessageHandler implementation. 23 virtual void RegisterMessages(); 24 25 ForeignSessionHandler(); 26 virtual ~ForeignSessionHandler() {} 27 28 private: 29 // Used to register ForeignSessionHandler for notifications. 30 void Init(); 31 32 // Determines how ForeignSessionHandler will interact with the new tab page. 33 virtual void Observe(NotificationType type, 34 const NotificationSource& source, 35 const NotificationDetails& details); 36 37 // Returns a pointer to the current session model associator or NULL. 38 SessionModelAssociator* GetModelAssociator(); 39 40 // Determines which session is to be opened, and then calls 41 // OpenForeignSession, to begin the process of opening a new browser window. 42 // This is a javascript callback handler. 43 void HandleOpenForeignSession(const ListValue* args); 44 45 // Determines whether foreign sessions should be obtained from the sync model. 46 // This is a javascript callback handler, and it is also called when the sync 47 // model has changed and the new tab page needs to reflect the changes. 48 void HandleGetForeignSessions(const ListValue* args); 49 50 // Helper methods to create JSON compatible objects from Session objects. 51 bool SessionTabToValue(const SessionTab& tab, DictionaryValue* dictionary); 52 bool SessionWindowToValue(const SessionWindow& window, 53 DictionaryValue* dictionary); 54 55 // The Registrar used to register ForeignSessionHandler for notifications. 56 NotificationRegistrar registrar_; 57 58 DISALLOW_COPY_AND_ASSIGN(ForeignSessionHandler); 59}; 60 61} // namespace browser_sync 62 63#endif // CHROME_BROWSER_UI_WEBUI_FOREIGN_SESSION_HANDLER_H_ 64