/*

 * Copyright 2008, The Android Open Source Project

 *

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

 * modification, are permitted provided that the following conditions

 * are met:

 *  * Redistributions of source code must retain the above copyright

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

 *  * 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.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 COMPUTER, INC. OR

 * 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.

 */

#include "config.h"

#if ENABLE(TOUCH_EVENTS)

#include "Touch.h"

#include "FrameView.h"

namespace WebCore {

static int contentsX(Frame* frame)

{

    if (!frame)

        return 0;

    FrameView* frameView = frame->view();

    if (!frameView)

        return 0;

    return frameView->scrollX() / frameView->pageZoomFactor();

}

static int contentsY(Frame* frame)

{

    if (!frame)

        return 0;

    FrameView* frameView = frame->view();

    if (!frameView)

        return 0;

    return frameView->scrollY() / frameView->pageZoomFactor();

}

Touch::Touch(Frame* frame, EventTarget* target, unsigned identifier, 

        int screenX, int screenY, int pageX, int pageY)

    : m_target(target)

    , m_identifier(identifier)

    , m_clientX(pageX - contentsX(frame))

    , m_clientY(pageY - contentsY(frame))

    , m_screenX(screenX)

    , m_screenY(screenY)

    , m_pageX(pageX)

    , m_pageY(pageY)

{

}

} // namespace WebCore

#endif