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1 /* | 1 /* |
2 * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All Rights Reserved. |
3 * Copyright (C) 2009 Torch Mobile, Inc. | 3 * Copyright (C) 2009 Torch Mobile, Inc. |
4 * Copyright 2010, The Android Open Source Project | 4 * Copyright 2010, The Android Open Source Project |
5 * | 5 * |
6 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
7 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
8 * are met: | 8 * are met: |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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72 code = PositionError::PERMISSION_DENIED; | 72 code = PositionError::PERMISSION_DENIED; |
73 break; | 73 break; |
74 case GeolocationError::PositionUnavailable: | 74 case GeolocationError::PositionUnavailable: |
75 code = PositionError::POSITION_UNAVAILABLE; | 75 code = PositionError::POSITION_UNAVAILABLE; |
76 break; | 76 break; |
77 } | 77 } |
78 | 78 |
79 return PositionError::create(code, error->message()); | 79 return PositionError::create(code, error->message()); |
80 } | 80 } |
81 | 81 |
82 Geolocation::GeoNotifier::GeoNotifier(Geolocation* geolocation, PassOwnPtr<Posit
ionCallback> successCallback, PassOwnPtr<PositionErrorCallback> errorCallback, P
ositionOptions* options) | |
83 : m_geolocation(geolocation) | |
84 , m_successCallback(successCallback) | |
85 , m_errorCallback(errorCallback) | |
86 , m_options(options) | |
87 , m_timer(this, &Geolocation::GeoNotifier::timerFired) | |
88 , m_useCachedPosition(false) | |
89 { | |
90 ASSERT(m_geolocation); | |
91 ASSERT(m_successCallback); | |
92 // If no options were supplied from JS, we should have created a default set | |
93 // of options in JSGeolocationCustom.cpp. | |
94 ASSERT(m_options); | |
95 } | |
96 | |
97 void Geolocation::GeoNotifier::trace(Visitor* visitor) | |
98 { | |
99 visitor->trace(m_geolocation); | |
100 visitor->trace(m_options); | |
101 visitor->trace(m_fatalError); | |
102 } | |
103 | |
104 void Geolocation::GeoNotifier::setFatalError(PositionError* error) | |
105 { | |
106 // If a fatal error has already been set, stick with it. This makes sure tha
t | |
107 // when permission is denied, this is the error reported, as required by the | |
108 // spec. | |
109 if (m_fatalError) | |
110 return; | |
111 | |
112 m_fatalError = error; | |
113 // An existing timer may not have a zero timeout. | |
114 m_timer.stop(); | |
115 m_timer.startOneShot(0, FROM_HERE); | |
116 } | |
117 | |
118 void Geolocation::GeoNotifier::setUseCachedPosition() | |
119 { | |
120 m_useCachedPosition = true; | |
121 m_timer.startOneShot(0, FROM_HERE); | |
122 } | |
123 | |
124 void Geolocation::GeoNotifier::runSuccessCallback(Geoposition* position) | |
125 { | |
126 // If we are here and the Geolocation permission is not approved, something
has | |
127 // gone horribly wrong. | |
128 if (!m_geolocation->isAllowed()) | |
129 CRASH(); | |
130 | |
131 m_successCallback->handleEvent(position); | |
132 } | |
133 | |
134 void Geolocation::GeoNotifier::runErrorCallback(PositionError* error) | |
135 { | |
136 if (m_errorCallback) | |
137 m_errorCallback->handleEvent(error); | |
138 } | |
139 | |
140 void Geolocation::GeoNotifier::startTimer() | |
141 { | |
142 m_timer.startOneShot(m_options->timeout() / 1000.0, FROM_HERE); | |
143 } | |
144 | |
145 void Geolocation::GeoNotifier::stopTimer() | |
146 { | |
147 m_timer.stop(); | |
148 } | |
149 | |
150 void Geolocation::GeoNotifier::timerFired(Timer<GeoNotifier>*) | |
151 { | |
152 m_timer.stop(); | |
153 | |
154 // Test for fatal error first. This is required for the case where the Local
Frame is | |
155 // disconnected and requests are cancelled. | |
156 if (m_fatalError) { | |
157 runErrorCallback(m_fatalError.get()); | |
158 // This will cause this notifier to be deleted. | |
159 m_geolocation->fatalErrorOccurred(this); | |
160 return; | |
161 } | |
162 | |
163 if (m_useCachedPosition) { | |
164 // Clear the cached position flag in case this is a watch request, which | |
165 // will continue to run. | |
166 m_useCachedPosition = false; | |
167 m_geolocation->requestUsesCachedPosition(this); | |
168 return; | |
169 } | |
170 | |
171 if (m_errorCallback) | |
172 m_errorCallback->handleEvent(PositionError::create(PositionError::TIMEOU
T, "Timeout expired")); | |
173 m_geolocation->requestTimedOut(this); | |
174 } | |
175 | |
176 void Geolocation::Watchers::trace(Visitor* visitor) | 82 void Geolocation::Watchers::trace(Visitor* visitor) |
177 { | 83 { |
178 visitor->trace(m_idToNotifierMap); | 84 visitor->trace(m_idToNotifierMap); |
179 visitor->trace(m_notifierToIdMap); | 85 visitor->trace(m_notifierToIdMap); |
180 } | 86 } |
181 | 87 |
182 bool Geolocation::Watchers::add(int id, GeoNotifier* notifier) | 88 bool Geolocation::Watchers::add(int id, GeoNotifier* notifier) |
183 { | 89 { |
184 ASSERT(id > 0); | 90 ASSERT(id > 0); |
185 if (!m_idToNotifierMap.add(id, notifier).isNewEntry) | 91 if (!m_idToNotifierMap.add(id, notifier).isNewEntry) |
186 return false; | 92 return false; |
187 m_notifierToIdMap.set(notifier, id); | 93 m_notifierToIdMap.set(notifier, id); |
188 return true; | 94 return true; |
189 } | 95 } |
190 | 96 |
191 Geolocation::GeoNotifier* Geolocation::Watchers::find(int id) | 97 GeoNotifier* Geolocation::Watchers::find(int id) |
192 { | 98 { |
193 ASSERT(id > 0); | 99 ASSERT(id > 0); |
194 IdToNotifierMap::iterator iter = m_idToNotifierMap.find(id); | 100 IdToNotifierMap::iterator iter = m_idToNotifierMap.find(id); |
195 if (iter == m_idToNotifierMap.end()) | 101 if (iter == m_idToNotifierMap.end()) |
196 return 0; | 102 return 0; |
197 return iter->value.get(); | 103 return iter->value.get(); |
198 } | 104 } |
199 | 105 |
200 void Geolocation::Watchers::remove(int id) | 106 void Geolocation::Watchers::remove(int id) |
201 { | 107 { |
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339 else if (!isAllowed()) { | 245 else if (!isAllowed()) { |
340 // if we don't yet have permission, request for permission before callin
g startUpdating() | 246 // if we don't yet have permission, request for permission before callin
g startUpdating() |
341 m_pendingForPermissionNotifiers.add(notifier); | 247 m_pendingForPermissionNotifiers.add(notifier); |
342 requestPermission(); | 248 requestPermission(); |
343 } else if (startUpdating(notifier)) | 249 } else if (startUpdating(notifier)) |
344 notifier->startTimer(); | 250 notifier->startTimer(); |
345 else | 251 else |
346 notifier->setFatalError(PositionError::create(PositionError::POSITION_UN
AVAILABLE, failedToStartServiceErrorMessage)); | 252 notifier->setFatalError(PositionError::create(PositionError::POSITION_UN
AVAILABLE, failedToStartServiceErrorMessage)); |
347 } | 253 } |
348 | 254 |
349 void Geolocation::fatalErrorOccurred(Geolocation::GeoNotifier* notifier) | 255 void Geolocation::fatalErrorOccurred(GeoNotifier* notifier) |
350 { | 256 { |
351 // This request has failed fatally. Remove it from our lists. | 257 // This request has failed fatally. Remove it from our lists. |
352 m_oneShots.remove(notifier); | 258 m_oneShots.remove(notifier); |
353 m_watchers.remove(notifier); | 259 m_watchers.remove(notifier); |
354 | 260 |
355 if (!hasListeners()) | 261 if (!hasListeners()) |
356 stopUpdating(); | 262 stopUpdating(); |
357 } | 263 } |
358 | 264 |
359 void Geolocation::requestUsesCachedPosition(GeoNotifier* notifier) | 265 void Geolocation::requestUsesCachedPosition(GeoNotifier* notifier) |
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693 { | 599 { |
694 return ScriptPromise::rejectWithDOMException(scriptState, DOMException::crea
te(NotSupportedError)); | 600 return ScriptPromise::rejectWithDOMException(scriptState, DOMException::crea
te(NotSupportedError)); |
695 } | 601 } |
696 | 602 |
697 ScriptPromise Geolocation::getRegisteredRegions(ScriptState* scriptState) const | 603 ScriptPromise Geolocation::getRegisteredRegions(ScriptState* scriptState) const |
698 { | 604 { |
699 return ScriptPromise::rejectWithDOMException(scriptState, DOMException::crea
te(NotSupportedError)); | 605 return ScriptPromise::rejectWithDOMException(scriptState, DOMException::crea
te(NotSupportedError)); |
700 } | 606 } |
701 | 607 |
702 } // namespace WebCore | 608 } // namespace WebCore |
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