/*

* Copyright (c) 2009 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 __HISTORYVIEW_H__

#define __HISTORYVIEW_H__

#include <QWidget>

#include <QGraphicsWidget>

#include <QAction>

#include <QString>

#include <QWebFrame>

#include "controllableviewimpl.h"

class QWebHistory;

class WebPageController;

namespace WRT {

    class WrtBrowserContainer;

    class FlowInterface;

    class HistoryViewPrivate;

    class BWF_EXPORT HistoryView : public ControllableViewBase

    {

        Q_OBJECT

    public:

        HistoryView(WebPageController * mgr, QWidget* parent);

        HistoryView(WebPageController * mgr, QGraphicsWidget* parent);

        ~HistoryView();

        WebPageController* webPageController();

    public: // public actions available for this view

        QAction * getActionForward();

        QAction * getActionBack();

        QAction * getActionOK();

        QAction * getActionCancel();

        int currentIndex();

    public: // Pure Virtual from ControllableView

        QString title() const;

        bool isActive();

        QList<QAction*> getContext();

        QRect centralRect();

        QGraphicsWidget* widget() const;

    signals:

        void centerIndexChanged(int index);

        void ok(int item);

        void cancel();

        void contextEvent(QObject *context);

        void activated();

        void deactivated();

    public slots:

        void activate();

        void deactivate();

        void setCenterIndex(int i);

        void forward();

        void back();

    private slots:

        void updateActions(int centerIndex);

        void updateHistory(bool status=true);

    private:

        bool eventFilter(QObject *obj, QEvent *event);

        bool handleWidgetContextMenuEvent(class QContextMenuEvent *event);

        QString itemTitle(int index) const;

    protected:

        HistoryViewPrivate * const d;

    };

    class BWF_EXPORT HistoryViewJSObject : public ControllableViewJSObject {

        Q_OBJECT

      public:

        HistoryViewJSObject(HistoryView* view, QWebFrame* webFrame, const QString& objectName);

        ~HistoryViewJSObject();

      int getCurrentHistoryIndex() const { return historyViewConst()->currentIndex(); }

      Q_PROPERTY(int currentHistIndex READ getCurrentHistoryIndex)

    public slots:

        void ok(int item);

        void cancel();

        void onContextEvent(QObject *context);

    signals:

       void done(int);

       void contextEvent(QObject *context);

       void activated();

       void deactivated();

    protected:

        HistoryView * historyView() { return static_cast<HistoryView *>(m_contentView); }

        HistoryView * historyViewConst() const { return static_cast<HistoryView *>(m_contentView); }

    };

}

#endif // __HISTORYVIEW_H__