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// Copyright (c) 2011 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_UI_WEBUI_NTP_FOREIGN_SESSION_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_NTP_FOREIGN_SESSION_HANDLER_H_
#pragma once
#include <vector>
#include "chrome/browser/sessions/session_service.h"
#include "chrome/browser/sync/glue/session_model_associator.h"
#include "content/browser/webui/web_ui.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
namespace browser_sync {
class ForeignSessionHandler : public WebUIMessageHandler,
public content::NotificationObserver {
public:
// WebUIMessageHandler implementation.
virtual void RegisterMessages() OVERRIDE;
ForeignSessionHandler();
virtual ~ForeignSessionHandler() {}
private:
// Used to register ForeignSessionHandler for notifications.
void Init();
// Determines how ForeignSessionHandler will interact with the new tab page.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// Returns a pointer to the current session model associator or NULL.
SessionModelAssociator* GetModelAssociator();
// Determines which session is to be opened, and then calls
// OpenForeignSession, to begin the process of opening a new browser window.
// This is a javascript callback handler.
void HandleOpenForeignSession(const ListValue* args);
// Determines whether foreign sessions should be obtained from the sync model.
// This is a javascript callback handler, and it is also called when the sync
// model has changed and the new tab page needs to reflect the changes.
void HandleGetForeignSessions(const ListValue* args);
// Helper methods to create JSON compatible objects from Session objects.
bool SessionTabToValue(const SessionTab& tab, DictionaryValue* dictionary);
bool SessionWindowToValue(const SessionWindow& window,
DictionaryValue* dictionary);
// The Registrar used to register ForeignSessionHandler for notifications.
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(ForeignSessionHandler);
};
} // namespace browser_sync
#endif // CHROME_BROWSER_UI_WEBUI_NTP_FOREIGN_SESSION_HANDLER_H_
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