1/*
2 * Copyright 2008, The Android Open Source Project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27
28#if ENABLE(TOUCH_EVENTS)
29
30#include "Touch.h"
31
32#include "FrameView.h"
33
34namespace WebCore {
35
36static int contentsX(Frame* frame)
37{
38    if (!frame)
39        return 0;
40    FrameView* frameView = frame->view();
41    if (!frameView)
42        return 0;
43    return frameView->scrollX() / frame->pageZoomFactor();
44}
45
46static int contentsY(Frame* frame)
47{
48    if (!frame)
49        return 0;
50    FrameView* frameView = frame->view();
51    if (!frameView)
52        return 0;
53    return frameView->scrollY() / frame->pageZoomFactor();
54}
55
56Touch::Touch(Frame* frame, EventTarget* target, unsigned identifier, int screenX, int screenY, int pageX, int pageY)
57    : m_target(target)
58    , m_identifier(identifier)
59    , m_clientX(pageX - contentsX(frame))
60    , m_clientY(pageY - contentsY(frame))
61    , m_screenX(screenX)
62    , m_screenY(screenY)
63    , m_pageX(pageX)
64    , m_pageY(pageY)
65{
66}
67
68} // namespace WebCore
69
70#endif
71