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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, 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