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 blink {
32
~DeviceOrientationEvent()33 DeviceOrientationEvent::~DeviceOrientationEvent()
34 {
35 }
36
DeviceOrientationEvent()37 DeviceOrientationEvent::DeviceOrientationEvent()
38 : m_orientation(DeviceOrientationData::create())
39 {
40 }
41
DeviceOrientationEvent(const AtomicString & eventType,DeviceOrientationData * orientation)42 DeviceOrientationEvent::DeviceOrientationEvent(const AtomicString& eventType, DeviceOrientationData* orientation)
43 : Event(eventType, false, false) // Can't bubble, not cancelable
44 , m_orientation(orientation)
45 {
46 }
47
initDeviceOrientationEvent(const AtomicString & type,bool bubbles,bool cancelable,DeviceOrientationData * orientation)48 void DeviceOrientationEvent::initDeviceOrientationEvent(const AtomicString& type, bool bubbles, bool cancelable, DeviceOrientationData* orientation)
49 {
50 if (dispatched())
51 return;
52
53 initEvent(type, bubbles, cancelable);
54 m_orientation = orientation;
55 }
56
alpha(bool & isNull) const57 double DeviceOrientationEvent::alpha(bool& isNull) const
58 {
59 if (m_orientation->canProvideAlpha())
60 return m_orientation->alpha();
61
62 isNull = true;
63 return 0;
64 }
65
beta(bool & isNull) const66 double DeviceOrientationEvent::beta(bool& isNull) const
67 {
68 if (m_orientation->canProvideBeta())
69 return m_orientation->beta();
70
71 isNull = true;
72 return 0;
73 }
74
gamma(bool & isNull) const75 double DeviceOrientationEvent::gamma(bool& isNull) const
76 {
77 if (m_orientation->canProvideGamma())
78 return m_orientation->gamma();
79
80 isNull = true;
81 return 0;
82 }
83
absolute(bool & isNull) const84 bool DeviceOrientationEvent::absolute(bool& isNull) const
85 {
86 if (m_orientation->canProvideAbsolute())
87 return m_orientation->absolute();
88
89 isNull = true;
90 return 0;
91 }
92
interfaceName() const93 const AtomicString& DeviceOrientationEvent::interfaceName() const
94 {
95 return EventNames::DeviceOrientationEvent;
96 }
97
trace(Visitor * visitor)98 void DeviceOrientationEvent::trace(Visitor* visitor)
99 {
100 visitor->trace(m_orientation);
101 Event::trace(visitor);
102 }
103
104 } // namespace blink
105