1 /*
2 * Copyright 2010, 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 THE COPYRIGHT OWNER 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 #include "modules/device_orientation/DeviceOrientationEvent.h"
28
29 #include "modules/device_orientation/DeviceOrientationData.h"
30
31 namespace WebCore {
32
~DeviceOrientationEvent()33 DeviceOrientationEvent::~DeviceOrientationEvent()
34 {
35 }
36
DeviceOrientationEvent()37 DeviceOrientationEvent::DeviceOrientationEvent()
38 : m_orientation(DeviceOrientationData::create())
39 {
40 ScriptWrappable::init(this);
41 }
42
DeviceOrientationEvent(const AtomicString & eventType,DeviceOrientationData * orientation)43 DeviceOrientationEvent::DeviceOrientationEvent(const AtomicString& eventType, DeviceOrientationData* orientation)
44 : Event(eventType, false, false) // Can't bubble, not cancelable
45 , m_orientation(orientation)
46 {
47 ScriptWrappable::init(this);
48 }
49
initDeviceOrientationEvent(const AtomicString & type,bool bubbles,bool cancelable,DeviceOrientationData * orientation)50 void DeviceOrientationEvent::initDeviceOrientationEvent(const AtomicString& type, bool bubbles, bool cancelable, DeviceOrientationData* orientation)
51 {
52 if (dispatched())
53 return;
54
55 initEvent(type, bubbles, cancelable);
56 m_orientation = orientation;
57 }
58
alpha(bool & isNull) const59 double DeviceOrientationEvent::alpha(bool& isNull) const
60 {
61 if (m_orientation->canProvideAlpha())
62 return m_orientation->alpha();
63
64 isNull = true;
65 return 0;
66 }
67
beta(bool & isNull) const68 double DeviceOrientationEvent::beta(bool& isNull) const
69 {
70 if (m_orientation->canProvideBeta())
71 return m_orientation->beta();
72
73 isNull = true;
74 return 0;
75 }
76
gamma(bool & isNull) const77 double DeviceOrientationEvent::gamma(bool& isNull) const
78 {
79 if (m_orientation->canProvideGamma())
80 return m_orientation->gamma();
81
82 isNull = true;
83 return 0;
84 }
85
absolute(bool & isNull) const86 bool DeviceOrientationEvent::absolute(bool& isNull) const
87 {
88 if (m_orientation->canProvideAbsolute())
89 return m_orientation->absolute();
90
91 isNull = true;
92 return 0;
93 }
94
interfaceName() const95 const AtomicString& DeviceOrientationEvent::interfaceName() const
96 {
97 return EventNames::DeviceOrientationEvent;
98 }
99
trace(Visitor * visitor)100 void DeviceOrientationEvent::trace(Visitor* visitor)
101 {
102 visitor->trace(m_orientation);
103 Event::trace(visitor);
104 }
105
106 } // namespace WebCore
107