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/*
* 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 "GeolocationClient.h"
namespace WebCore {
GeolocationController::GeolocationController(Page* page, GeolocationClient* client)
: m_page(page)
, m_client(client)
{
}
GeolocationController::~GeolocationController()
{
ASSERT(m_observers.isEmpty());
if (m_client)
m_client->geolocationDestroyed();
}
void GeolocationController::addObserver(Geolocation* observer, bool enableHighAccuracy)
{
// This may be called multiple times with the same observer, though removeObserver()
// is called only once with each.
bool wasEmpty = m_observers.isEmpty();
m_observers.add(observer);
if (enableHighAccuracy)
m_highAccuracyObservers.add(observer);
if (m_client) {
if (enableHighAccuracy)
m_client->setEnableHighAccuracy(true);
// See https://bugs.webkit.org/show_bug.cgi?id=87030
#if !PLATFORM(ANDROID)
if (wasEmpty)
#endif
m_client->startUpdating();
}
}
void GeolocationController::removeObserver(Geolocation* observer)
{
if (!m_observers.contains(observer))
return;
m_observers.remove(observer);
m_highAccuracyObservers.remove(observer);
if (m_client) {
if (m_observers.isEmpty())
m_client->stopUpdating();
else if (m_highAccuracyObservers.isEmpty())
m_client->setEnableHighAccuracy(false);
}
}
void GeolocationController::requestPermission(Geolocation* geolocation)
{
if (m_client)
m_client->requestPermission(geolocation);
}
void GeolocationController::cancelPermissionRequest(Geolocation* geolocation)
{
if (m_client)
m_client->cancelPermissionRequest(geolocation);
}
void GeolocationController::positionChanged(GeolocationPosition* position)
{
m_lastPosition = position;
Vector<RefPtr<Geolocation> > observersVector;
copyToVector(m_observers, observersVector);
for (size_t i = 0; i < observersVector.size(); ++i)
observersVector[i]->positionChanged();
}
void GeolocationController::errorOccurred(GeolocationError* error)
{
Vector<RefPtr<Geolocation> > 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)
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