/*

 * Copyright (C) 2001 Peter Kelly (pmk@post.com)

 * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)

 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)

 * Copyright (C) 2003, 2005, 2006, 2008 Apple Inc. All rights reserved.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Library General Public License for more details.

 *

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

 * along with this library; see the file COPYING.LIB.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#include "config.h"

#include "MouseEvent.h"

#include "EventNames.h"

namespace WebCore {

MouseEvent::MouseEvent()

    : m_button(0)

    , m_buttonDown(false)

{

}

MouseEvent::MouseEvent(const AtomicString& eventType, bool canBubble, bool cancelable, PassRefPtr<AbstractView> view,

                       int detail, int screenX, int screenY, int pageX, int pageY,

                       bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,

                       unsigned short button, PassRefPtr<EventTarget> relatedTarget,

                       PassRefPtr<Clipboard> clipboard, bool isSimulated)

    : MouseRelatedEvent(eventType, canBubble, cancelable, view, detail, screenX, screenY,

                        pageX, pageY, ctrlKey, altKey, shiftKey, metaKey, isSimulated)

    , m_button(button == (unsigned short)-1 ? 0 : button)

    , m_buttonDown(button != (unsigned short)-1)

    , m_relatedTarget(relatedTarget)

    , m_clipboard(clipboard)

{

}

MouseEvent::~MouseEvent()

{

}

void MouseEvent::initMouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView> view,

                                int detail, int screenX, int screenY, int clientX, int clientY,

                                bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,

                                unsigned short button, PassRefPtr<EventTarget> relatedTarget)

{

    if (dispatched())

        return;

    initUIEvent(type, canBubble, cancelable, view, detail);

    m_screenX = screenX;

    m_screenY = screenY;

    m_ctrlKey = ctrlKey;

    m_altKey = altKey;

    m_shiftKey = shiftKey;

    m_metaKey = metaKey;

    m_button = button == (unsigned short)-1 ? 0 : button;

    m_buttonDown = button != (unsigned short)-1;

    m_relatedTarget = relatedTarget;

    initCoordinates(clientX, clientY);

    // FIXME: m_isSimulated is not set to false here.

    // FIXME: m_clipboard is not set to 0 here.

}

bool MouseEvent::isMouseEvent() const

{

    return true;

}

bool MouseEvent::isDragEvent() const

{

    const AtomicString& t = type();

    return t == eventNames().dragenterEvent || t == eventNames().dragoverEvent || t == eventNames().dragleaveEvent || t == eventNames().dropEvent

               || t == eventNames().dragstartEvent|| t == eventNames().dragEvent || t == eventNames().dragendEvent;

}

int MouseEvent::which() const

{

    // For the DOM, the return values for left, middle and right mouse buttons are 0, 1, 2, respectively.

    // For the Netscape "which" property, the return values for left, middle and right mouse buttons are 1, 2, 3, respectively. 

    // So we must add 1.

    return m_button + 1;

}

Node* MouseEvent::toElement() const

{

    // MSIE extension - "the object toward which the user is moving the mouse pointer"

    if (type() == eventNames().mouseoutEvent) 

        return relatedTarget() ? relatedTarget()->toNode() : 0;

    return target() ? target()->toNode() : 0;

}

Node* MouseEvent::fromElement() const

{

    // MSIE extension - "object from which activation or the mouse pointer is exiting during the event" (huh?)

    if (type() != eventNames().mouseoutEvent)

        return relatedTarget() ? relatedTarget()->toNode() : 0;

    return target() ? target()->toNode() : 0;

}

} // namespace WebCore