/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not,

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#ifndef VIEWSTACK_H

#define VIEWSTACK_H

#include <QObject>

#include "wrtbrowsercontainer.h"

namespace GVA {

class ViewController;

class ChromeView;

class ChromeWidget;

/*! \ingroup JavascriptAPI

 * \brief This class is responsible for switching the main content window from one view to another.

 *

 * Javascript object name: "ViewStack".

 *

 * Example javascript code to switch the current content view from the Web view to the Bookmarks view:

 * \code

 * ViewStack.switchView("BookmarkHistoryView", "WebView");

 * \endcode

 */

class ViewStack : public QObject

{

    Q_OBJECT

public:

    static ViewStack* getSingleton();

    ViewController *getViewController() { return m_viewController;}

    void setViewController(ViewController *value) { m_viewController = value; }

    void setChromeWidget(ChromeWidget *value) { m_chrome = value; }

public slots:

    void switchView(const QString &to, const QString &from);

    void creatingPage(WRT::WrtBrowserContainer*);

private:

    void fromWindowView(const QString &to);

    void fromWebView(const QString &to);

    void fromBookmarkHistoryView(const QString &to);

    void fromBookmarkTreeView(const QString &to);

    void fromSettingsView(const QString &to);

    void toWindowView();

    void toWebView();

    void toBookmarkHistoryView();

    void toBookmarkView();

    void toSettingsView();

private slots:

    void loadHistoryItem(int item);

    void goBackFromWindowView();

    void goBackFromRecentUrlView();

    void goBackFromBookmarkView();

    void showContentView(int progress);

    void goBackFromSettingsView();

signals:

    void activateBookmark();

    void activateWindowView();

    void deActivateWindowView();

    void pageChanged(int);

private:

    ViewController *m_viewController; // Not owned

    ChromeWidget *m_chrome; // Not owned

};

}  // end of namespace

#endif // VIEWSTACK_H