133 lines
4.2 KiB
C++
133 lines
4.2 KiB
C++
/*
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* Copyright (C) 2008-2011, 2015 Apple Inc. All Rights Reserved.
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* Copyright (C) 2009 Torch Mobile, Inc.
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* Copyright 2010, The Android Open Source Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "GeoNotifier.h"
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#if ENABLE(GEOLOCATION)
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#include "Geolocation.h"
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namespace WebCore {
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GeoNotifier::GeoNotifier(Geolocation& geolocation, Ref<PositionCallback>&& successCallback, RefPtr<PositionErrorCallback>&& errorCallback, PositionOptions&& options)
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: m_geolocation(geolocation)
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, m_successCallback(WTFMove(successCallback))
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, m_errorCallback(WTFMove(errorCallback))
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, m_options(WTFMove(options))
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, m_timer(*this, &GeoNotifier::timerFired)
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, m_useCachedPosition(false)
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{
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}
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void GeoNotifier::setFatalError(RefPtr<GeolocationPositionError>&& error)
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{
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// If a fatal error has already been set, stick with it. This makes sure that
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// when permission is denied, this is the error reported, as required by the
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// spec.
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if (m_fatalError)
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return;
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m_fatalError = WTFMove(error);
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// An existing timer may not have a zero timeout.
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m_timer.stop();
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m_timer.startOneShot(0_s);
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}
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void GeoNotifier::setUseCachedPosition()
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{
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m_useCachedPosition = true;
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m_timer.startOneShot(0_s);
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}
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bool GeoNotifier::hasZeroTimeout() const
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{
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return !m_options.timeout;
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}
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void GeoNotifier::runSuccessCallback(GeolocationPosition* position)
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{
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// If we are here and the Geolocation permission is not approved, something has
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// gone horribly wrong.
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if (!m_geolocation->isAllowed())
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CRASH();
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m_successCallback->handleEvent(position);
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}
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void GeoNotifier::runErrorCallback(GeolocationPositionError& error)
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{
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if (m_errorCallback)
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m_errorCallback->handleEvent(error);
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}
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void GeoNotifier::startTimerIfNeeded()
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{
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m_timer.startOneShot(1_ms * m_options.timeout);
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}
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void GeoNotifier::stopTimer()
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{
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m_timer.stop();
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}
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void GeoNotifier::timerFired()
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{
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m_timer.stop();
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// Protect this GeoNotifier object, since it
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// could be deleted by a call to clearWatch in a callback.
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Ref<GeoNotifier> protectedThis(*this);
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// Test for fatal error first. This is required for the case where the Frame is
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// disconnected and requests are cancelled.
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if (m_fatalError) {
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runErrorCallback(*m_fatalError);
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// This will cause this notifier to be deleted.
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m_geolocation->fatalErrorOccurred(this);
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return;
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}
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if (m_useCachedPosition) {
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// Clear the cached position flag in case this is a watch request, which
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// will continue to run.
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m_useCachedPosition = false;
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m_geolocation->requestUsesCachedPosition(this);
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return;
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}
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if (m_errorCallback) {
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auto error = GeolocationPositionError::create(GeolocationPositionError::TIMEOUT, "Timeout expired"_s);
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m_errorCallback->handleEvent(error);
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}
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m_geolocation->requestTimedOut(this);
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}
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} // namespace WebCore
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#endif // ENABLE(GEOLOCATION)
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