1/* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "GeolocationController.h" 28 29#if ENABLE(CLIENT_BASED_GEOLOCATION) 30 31#include "GeolocationControllerClient.h" 32 33namespace WebCore { 34 35GeolocationController::GeolocationController(Page* page, GeolocationControllerClient* client) 36 : m_page(page) 37 , m_client(client) 38{ 39} 40 41GeolocationController::~GeolocationController() 42{ 43 if (m_client) 44 m_client->geolocationDestroyed(); 45} 46 47void GeolocationController::addObserver(Geolocation* observer) 48{ 49 ASSERT(!m_observers.contains(observer)); 50 51 bool wasEmpty = m_observers.isEmpty(); 52 m_observers.add(observer); 53 if (wasEmpty && m_client) 54 m_client->startUpdating(); 55} 56 57void GeolocationController::removeObserver(Geolocation* observer) 58{ 59 if (!m_observers.contains(observer)) 60 return; 61 62 m_observers.remove(observer); 63 if (m_observers.isEmpty() && m_client) 64 m_client->stopUpdating(); 65} 66 67void GeolocationController::positionChanged(GeolocationPosition* position) 68{ 69 Vector<RefPtr<Geolocation> > observersVector; 70 copyToVector(m_observers, observersVector); 71 for (size_t i = 0; i < observersVector.size(); ++i) 72 observersVector[i]->setPosition(position); 73} 74 75void GeolocationController::errorOccurred(GeolocationError* error) 76{ 77 Vector<RefPtr<Geolocation> > observersVector; 78 copyToVector(m_observers, observersVector); 79 for (size_t i = 0; i < observersVector.size(); ++i) 80 observersVector[i]->setError(error); 81} 82 83GeolocationPosition* GeolocationController::lastPosition() 84{ 85 if (!m_client) 86 return 0; 87 88 return m_client->lastPosition(); 89} 90 91} // namespace WebCore 92 93#endif // ENABLE(CLIENT_BASED_GEOLOCATION) 94