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
34 namespace WebCore {
35
contentsX(Frame * frame)36 static 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
contentsY(Frame * frame)46 static 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
Touch(Frame * frame,EventTarget * target,unsigned identifier,int screenX,int screenY,int pageX,int pageY)56 Touch::Touch(Frame* frame, EventTarget* target, unsigned identifier,
57 int screenX, int screenY, int pageX, int pageY)
58 : m_target(target)
59 , m_identifier(identifier)
60 , m_clientX(pageX - contentsX(frame))
61 , m_clientY(pageY - contentsY(frame))
62 , m_screenX(screenX)
63 , m_screenY(screenY)
64 , m_pageX(pageX)
65 , m_pageY(pageY)
66 {
67 }
68
69 } // namespace WebCore
70
71 #endif
72
73