/*

 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)

 * Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer.

 * 2.  Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution.

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef EventSenderQt_h

#define EventSenderQt_h

#include "DumpRenderTreeQt.h"

#include <QApplication>

#include <QBasicTimer>

#include <QEvent>

#include <QEventLoop>

#include <QMouseEvent>

#include <QObject>

#include <QPoint>

#include <QString>

#include <QStringList>

#include <qwebpage.h>

#include <qwebframe.h>

#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)

#include <QTouchEvent>

#endif

class EventSender : public QObject {

    Q_OBJECT

public:

    EventSender(QWebPage* parent);

    virtual bool eventFilter(QObject* watched, QEvent* event);

    void resetClickCount() { m_clickCount = 0; }

public slots:

    void mouseDown(int button = 0);

    void mouseUp(int button = 0);

    void mouseMoveTo(int x, int y);

#ifndef QT_NO_WHEELEVENT

    void mouseScrollBy(int x, int y);

    void continuousMouseScrollBy(int x, int y);

#endif

    void leapForward(int ms);

    void keyDown(const QString& string, const QStringList& modifiers = QStringList(), unsigned int location = 0);

    void clearKillRing() {}

    void contextClick();

    void scheduleAsynchronousClick();

    void addTouchPoint(int x, int y);

    void updateTouchPoint(int index, int x, int y);

    void setTouchModifier(const QString &modifier, bool enable);

    void touchStart();

    void touchMove();

    void touchEnd();

    void zoomPageIn();

    void zoomPageOut();

    void textZoomIn();

    void textZoomOut();

    void clearTouchPoints();

    void releaseTouchPoint(int index);

protected:

    void timerEvent(QTimerEvent*);

private:

    bool isGraphicsBased() const { return qobject_cast<WebCore::WebViewGraphicsBased*>(m_page->view()); }

    QGraphicsSceneMouseEvent* createGraphicsSceneMouseEvent(QEvent::Type, const QPoint& pos, const QPoint& screenPos, Qt::MouseButton, Qt::MouseButtons, Qt::KeyboardModifiers);

    QGraphicsSceneWheelEvent* createGraphicsSceneWheelEvent(QEvent::Type, const QPoint& pos, const QPoint& screenPos, int delta, Qt::KeyboardModifiers, Qt::Orientation);

    void sendEvent(QObject* receiver, QEvent* event);

    void postEvent(QObject* receiver, QEvent* event);

private:

    void sendTouchEvent(QEvent::Type);

    void sendOrQueueEvent(QEvent*);

    void replaySavedEvents(bool flush);

    QPoint m_mousePos;

    QPoint m_clickPos;

    Qt::MouseButtons m_mouseButtons;

    QWebPage* m_page;

    int m_clickCount;

    int m_currentButton;

    bool m_mouseButtonPressed;

    bool m_drag;

    QEventLoop* m_eventLoop;

    QWebFrame* frameUnderMouse() const;

    QBasicTimer m_clickTimer;

#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)

    QList<QTouchEvent::TouchPoint> m_touchPoints;

    Qt::KeyboardModifiers m_touchModifiers;

    bool m_touchActive;

#endif

};

#endif //  EventSenderQt_h