diff -r 000000000000 -r 4f2f89ce4247 WebCore/page/GeolocationController.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/page/GeolocationController.cpp Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2009 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "GeolocationController.h" +#include "GeolocationPosition.h" + +#if ENABLE(CLIENT_BASED_GEOLOCATION) + +#include "GeolocationControllerClient.h" + +namespace WebCore { + +GeolocationController::GeolocationController(Page* page, GeolocationControllerClient* client) + : m_page(page) + , m_client(client) +{ +} + +GeolocationController::~GeolocationController() +{ + if (m_client) + m_client->geolocationDestroyed(); +} + +void GeolocationController::addObserver(Geolocation* observer) +{ + // This may be called multiple times with the same observer, though removeObserver() + // is called only once with each. + if (m_observers.contains(observer)) + return; + + bool wasEmpty = m_observers.isEmpty(); + m_observers.add(observer); + if (wasEmpty && m_client) + m_client->startUpdating(); +} + +void GeolocationController::removeObserver(Geolocation* observer) +{ + if (!m_observers.contains(observer)) + return; + + m_observers.remove(observer); + if (m_observers.isEmpty() && m_client) + m_client->stopUpdating(); +} + +void GeolocationController::positionChanged(GeolocationPosition* position) +{ + m_lastPosition = position; + Vector > observersVector; + copyToVector(m_observers, observersVector); + for (size_t i = 0; i < observersVector.size(); ++i) + observersVector[i]->positionChanged(); +} + +void GeolocationController::errorOccurred(GeolocationError* error) +{ + Vector > observersVector; + copyToVector(m_observers, observersVector); + for (size_t i = 0; i < observersVector.size(); ++i) + observersVector[i]->setError(error); +} + +GeolocationPosition* GeolocationController::lastPosition() +{ + if (m_lastPosition.get()) + return m_lastPosition.get(); + + if (!m_client) + return 0; + + return m_client->lastPosition(); +} + +} // namespace WebCore + +#endif // ENABLE(CLIENT_BASED_GEOLOCATION)