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1 /* | 1 /* |
2 * Copyright 2010 Apple Inc. All rights reserved. | 2 * Copyright 2010 Apple Inc. All rights reserved. |
3 * Copyright (C) 2012 Samsung Electronics. All rights reserved. | 3 * Copyright (C) 2012 Samsung Electronics. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above copyright | 10 * * Redistributions in binary form must reproduce the above copyright |
11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
13 * | 13 * |
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY | 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 */ | 25 */ |
26 | 26 |
27 #include "config.h" | 27 #include "config.h" |
28 #include "modules/device_orientation/DeviceMotionController.h" | 28 #include "modules/device_orientation/DeviceMotionController.h" |
29 | 29 |
30 #include "modules/device_orientation/DeviceMotionClient.h" | 30 #include "core/dom/Document.h" |
31 #include "core/page/Page.h" | |
32 #include "core/platform/PlatformDeviceMotion.h" | |
31 #include "modules/device_orientation/DeviceMotionData.h" | 33 #include "modules/device_orientation/DeviceMotionData.h" |
32 #include "modules/device_orientation/DeviceMotionEvent.h" | 34 #include "modules/device_orientation/DeviceMotionEvent.h" |
33 #include "core/page/Page.h" | |
34 | 35 |
35 namespace WebCore { | 36 namespace WebCore { |
36 | 37 |
37 DeviceMotionController::DeviceMotionController(DeviceMotionClient* client) | 38 PassRefPtr<DeviceMotionController> DeviceMotionController::create() |
38 : DeviceController(client) | |
39 { | 39 { |
40 ASSERT(m_client); | 40 return adoptRef(new DeviceMotionController()); |
41 deviceMotionClient()->setController(this); | |
42 } | 41 } |
43 | 42 |
44 PassOwnPtr<DeviceMotionController> DeviceMotionController::create(DeviceMotionCl ient* client) | 43 DeviceMotionController::~DeviceMotionController() |
45 { | 44 { |
46 return adoptPtr(new DeviceMotionController(client)); | 45 // This is a no-op if the controller has not registered with the device moti on pump. |
Peter Beverloo
2013/04/29 17:38:03
There no longer is a pump.
timvolodine
2013/04/30 12:40:18
Done.
| |
46 unregisterForDeviceMotionUpdates(this); | |
47 } | 47 } |
48 | 48 |
49 void DeviceMotionController::didChangeDeviceMotion(DeviceMotionData* deviceMotio nData) | 49 void DeviceMotionController::didChangeDeviceMotion(DeviceMotionData* deviceMotio nData) |
50 { | 50 { |
51 dispatchDeviceEvent(DeviceMotionEvent::create(eventNames().devicemotionEvent , deviceMotionData)); | 51 dispatchDeviceEvent(DeviceMotionEvent::create(eventNames().devicemotionEvent , deviceMotionData)); |
52 } | 52 } |
53 | 53 |
54 DeviceMotionClient* DeviceMotionController::deviceMotionClient() | |
55 { | |
56 return static_cast<DeviceMotionClient*>(m_client); | |
57 } | |
58 | |
59 bool DeviceMotionController::hasLastData() | 54 bool DeviceMotionController::hasLastData() |
60 { | 55 { |
61 return deviceMotionClient()->lastMotion(); | 56 return latestDeviceMotionData(); |
62 } | 57 } |
63 | 58 |
64 PassRefPtr<Event> DeviceMotionController::getLastEvent() | 59 PassRefPtr<Event> DeviceMotionController::getLastEvent() |
65 { | 60 { |
66 return DeviceMotionEvent::create(eventNames().devicemotionEvent, deviceMotio nClient()->lastMotion()); | 61 return DeviceMotionEvent::create(eventNames().devicemotionEvent, latestDevic eMotionData()); |
62 } | |
63 | |
64 void DeviceMotionController::addDeviceEventListener(DOMWindow* window) | |
65 { | |
66 bool wasEmpty = m_listeners.isEmpty(); | |
67 m_listeners.add(window); | |
68 | |
69 if (hasLastData()) { | |
70 m_lastEventListeners.add(window); | |
71 if (!m_timer.isActive()) | |
72 m_timer.startOneShot(0); | |
73 } | |
74 | |
75 if (wasEmpty) | |
76 startUpdating(); | |
77 } | |
78 | |
79 void DeviceMotionController::removeDeviceEventListener(DOMWindow* window) | |
80 { | |
81 m_listeners.remove(window); | |
82 m_lastEventListeners.remove(window); | |
83 if (m_listeners.isEmpty()) | |
84 stopUpdating(); | |
85 } | |
86 | |
87 void DeviceMotionController::removeAllDeviceEventListeners(DOMWindow* window) | |
88 { | |
89 m_listeners.removeAll(window); | |
90 m_lastEventListeners.removeAll(window); | |
91 if (m_listeners.isEmpty()) | |
92 stopUpdating(); | |
93 } | |
94 | |
95 void DeviceMotionController::dispatchDeviceEvent(const PassRefPtr<Event> event) | |
96 { | |
97 Vector<RefPtr<DOMWindow> > listenerVector; | |
98 copyToVector(m_listeners, listenerVector); | |
99 dispatchEventToActiveDocuments(listenerVector, event); | |
100 } | |
101 | |
102 void DeviceMotionController::fireDeviceEvent(Timer<DeviceMotionController>* time r) | |
103 { | |
104 ASSERT_UNUSED(timer, timer == &m_timer); | |
105 ASSERT(hasLastData()); | |
106 | |
107 m_timer.stop(); | |
108 Vector<RefPtr<DOMWindow> > listenerVector; | |
109 copyToVector(m_lastEventListeners, listenerVector); | |
110 m_lastEventListeners.clear(); | |
111 dispatchEventToActiveDocuments(listenerVector, getLastEvent()); | |
112 } | |
113 | |
114 void DeviceMotionController::dispatchEventToActiveDocuments(Vector<RefPtr<DOMWin dow> >& listeners, | |
115 const PassRefPtr<Event> prpEvent) | |
116 { | |
117 RefPtr<Event> event = prpEvent; | |
118 for (size_t i = 0; i < listeners.size(); ++i) { | |
119 if (listeners[i]->document() | |
120 && !listeners[i]->document()->activeDOMObjectsAreSuspended() | |
121 && !listeners[i]->document()->activeDOMObjectsAreStopped()) | |
122 listeners[i]->dispatchEvent(event); | |
123 } | |
67 } | 124 } |
68 | 125 |
69 const char* DeviceMotionController::supplementName() | 126 const char* DeviceMotionController::supplementName() |
70 { | 127 { |
71 return "DeviceMotionController"; | 128 return "DeviceMotionController"; |
72 } | 129 } |
73 | 130 |
74 DeviceMotionController* DeviceMotionController::from(Page* page) | 131 DeviceMotionController* DeviceMotionController::from(Page* page) |
75 { | 132 { |
76 return static_cast<DeviceMotionController*>(Supplement<Page>::from(page, sup plementName())); | 133 return static_cast<DeviceMotionController*>(RefCountedSupplement<Page, Devic eMotionController>::from(page, supplementName())); |
77 } | 134 } |
78 | 135 |
79 bool DeviceMotionController::isActiveAt(Page* page) | 136 bool DeviceMotionController::isActiveAt(Page* page) |
80 { | 137 { |
81 if (DeviceMotionController* self = DeviceMotionController::from(page)) | 138 if (DeviceMotionController* self = DeviceMotionController::from(page)) |
82 return self->isActive(); | 139 return self->isActive(); |
83 return false; | 140 return false; |
84 } | 141 } |
85 | 142 |
86 void provideDeviceMotionTo(Page* page, DeviceMotionClient* client) | 143 void DeviceMotionController::startUpdating() |
87 { | 144 { |
88 DeviceMotionController::provideTo(page, DeviceMotionController::supplementNa me(), DeviceMotionController::create(client)); | 145 registerForDeviceMotionUpdates(this); |
146 } | |
147 | |
148 void DeviceMotionController::stopUpdating() | |
149 { | |
150 unregisterForDeviceMotionUpdates(this); | |
151 } | |
152 | |
153 void provideDeviceMotionTo(Page* page) | |
154 { | |
155 DeviceMotionController::provideTo(page, DeviceMotionController::supplementNa me(), DeviceMotionController::create()); | |
89 } | 156 } |
90 | 157 |
91 } // namespace WebCore | 158 } // namespace WebCore |
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