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 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 "DOMWindow.h" |
33 | #include "Frame.h" |
34 | #include "FrameView.h" |
35 | |
36 | namespace WebCore { |
37 | |
38 | static int contentsX(Frame* frame) |
39 | { |
40 | if (!frame) |
41 | return 0; |
42 | FrameView* frameView = frame->view(); |
43 | if (!frameView) |
44 | return 0; |
45 | return frameView->scrollX() / frame->pageZoomFactor() / frame->frameScaleFactor(); |
46 | } |
47 | |
48 | static int contentsY(Frame* frame) |
49 | { |
50 | if (!frame) |
51 | return 0; |
52 | FrameView* frameView = frame->view(); |
53 | if (!frameView) |
54 | return 0; |
55 | return frameView->scrollY() / frame->pageZoomFactor() / frame->frameScaleFactor(); |
56 | } |
57 | |
58 | Touch::Touch(Frame* frame, EventTarget* target, unsigned identifier, int screenX, int screenY, int pageX, int pageY, int radiusX, int radiusY, float rotationAngle, float force) |
59 | : m_target(target) |
60 | , m_identifier(identifier) |
61 | , m_clientX(pageX - contentsX(frame)) |
62 | , m_clientY(pageY - contentsY(frame)) |
63 | , m_screenX(screenX) |
64 | , m_screenY(screenY) |
65 | , m_pageX(pageX) |
66 | , m_pageY(pageY) |
67 | , m_radiusX(radiusX) |
68 | , m_radiusY(radiusY) |
69 | , m_rotationAngle(rotationAngle) |
70 | , m_force(force) |
71 | { |
72 | float scaleFactor = frame->pageZoomFactor() * frame->frameScaleFactor(); |
73 | m_absoluteLocation = LayoutPoint(pageX * scaleFactor, pageY * scaleFactor); |
74 | } |
75 | |
76 | Touch::Touch(EventTarget* target, unsigned identifier, int clientX, int clientY, int screenX, int screenY, int pageX, int pageY, int radiusX, int radiusY, float rotationAngle, float force, LayoutPoint absoluteLocation) |
77 | : m_target(target) |
78 | , m_identifier(identifier) |
79 | , m_clientX(clientX) |
80 | , m_clientY(clientY) |
81 | , m_screenX(screenX) |
82 | , m_screenY(screenY) |
83 | , m_pageX(pageX) |
84 | , m_pageY(pageY) |
85 | , m_radiusX(radiusX) |
86 | , m_radiusY(radiusY) |
87 | , m_rotationAngle(rotationAngle) |
88 | , m_force(force) |
89 | , m_absoluteLocation(absoluteLocation) |
90 | { |
91 | } |
92 | |
93 | Ref<Touch> Touch::cloneWithNewTarget(EventTarget* eventTarget) const |
94 | { |
95 | return adoptRef(*new Touch(eventTarget, m_identifier, m_clientX, m_clientY, m_screenX, m_screenY, m_pageX, m_pageY, m_radiusX, m_radiusY, m_rotationAngle, m_force, m_absoluteLocation)); |
96 | } |
97 | |
98 | } // namespace WebCore |
99 | |
100 | #endif |
101 | |