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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 #ifndef SKY_ENGINE_CORE_DOM_TOUCH_H_ | |
27 #define SKY_ENGINE_CORE_DOM_TOUCH_H_ | |
28 | |
29 #include "sky/engine/bindings/core/v8/ScriptWrappable.h" | |
30 #include "sky/engine/core/events/EventTarget.h" | |
31 #include "sky/engine/platform/geometry/FloatPoint.h" | |
32 #include "sky/engine/platform/geometry/FloatSize.h" | |
33 #include "sky/engine/platform/geometry/LayoutPoint.h" | |
34 #include "sky/engine/platform/heap/Handle.h" | |
35 #include "sky/engine/wtf/PassRefPtr.h" | |
36 #include "sky/engine/wtf/RefCounted.h" | |
37 #include "sky/engine/wtf/RefPtr.h" | |
38 | |
39 namespace blink { | |
40 | |
41 class LocalFrame; | |
42 | |
43 class Touch final : public RefCounted<Touch>, public ScriptWrappable { | |
44 DEFINE_WRAPPERTYPEINFO(); | |
45 public: | |
46 static PassRefPtr<Touch> create(LocalFrame* frame, EventTarget* target, | |
47 unsigned identifier, const FloatPoint& screenPos, const FloatPoint& page
Pos, | |
48 const FloatSize& radius, float rotationAngle, float force) | |
49 { | |
50 return adoptRef( | |
51 new Touch(frame, target, identifier, screenPos, pagePos, radius, rot
ationAngle, force)); | |
52 } | |
53 | |
54 // DOM Touch implementation | |
55 EventTarget* target() const { return m_target.get(); } | |
56 unsigned identifier() const { return m_identifier; } | |
57 double clientX() const { return m_clientPos.x(); } | |
58 double clientY() const { return m_clientPos.y(); } | |
59 double screenX() const { return m_screenPos.x(); } | |
60 double screenY() const { return m_screenPos.y(); } | |
61 double pageX() const { return m_pagePos.x(); } | |
62 double pageY() const { return m_pagePos.y(); } | |
63 double radiusX() const { return m_radius.width(); } | |
64 double radiusY() const { return m_radius.height(); } | |
65 float rotationAngle() const { return m_rotationAngle; } | |
66 float force() const { return m_force; } | |
67 | |
68 // Blink-internal methods | |
69 const LayoutPoint& absoluteLocation() const { return m_absoluteLocation; } | |
70 const FloatPoint& screenLocation() const { return m_screenPos; } | |
71 PassRefPtr<Touch> cloneWithNewTarget(EventTarget*) const; | |
72 | |
73 private: | |
74 Touch(LocalFrame* frame, EventTarget* target, unsigned identifier, | |
75 const FloatPoint& screenPos, const FloatPoint& pagePos, | |
76 const FloatSize& radius, float rotationAngle, float force); | |
77 | |
78 Touch(EventTarget*, unsigned identifier, const FloatPoint& clientPos, | |
79 const FloatPoint& screenPos, const FloatPoint& pagePos, | |
80 const FloatSize& radius, float rotationAngle, float force, LayoutPoint a
bsoluteLocation); | |
81 | |
82 RefPtr<EventTarget> m_target; | |
83 unsigned m_identifier; | |
84 // Position relative to the viewport in CSS px. | |
85 FloatPoint m_clientPos; | |
86 // Position relative to the screen in DIPs. | |
87 FloatPoint m_screenPos; | |
88 // Position relative to the page in CSS px. | |
89 FloatPoint m_pagePos; | |
90 // Radius in CSS px. | |
91 FloatSize m_radius; | |
92 float m_rotationAngle; | |
93 float m_force; | |
94 // FIXME(rbyers): Shouldn't we be able to migrate callers to relying on scre
enPos, pagePos | |
95 // or clientPos? absoluteLocation appears to be the same as pagePos but with
out browser | |
96 // scale applied. | |
97 LayoutPoint m_absoluteLocation; | |
98 }; | |
99 | |
100 } // namespace blink | |
101 | |
102 #endif // SKY_ENGINE_CORE_DOM_TOUCH_H_ | |
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