| /* |
| * Copyright (C) 2008 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. ``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 |
| * 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 "Geolocation.h" |
| |
| #include "Document.h" |
| #include "Frame.h" |
| #include "PositionError.h" |
| |
| namespace WebCore { |
| |
| Geolocation::GeoNotifier::GeoNotifier(PassRefPtr<PositionCallback> successCallback, PassRefPtr<PositionErrorCallback> errorCallback, PositionOptions* options) |
| : m_successCallback(successCallback) |
| , m_errorCallback(errorCallback) |
| , m_timer(this, &Geolocation::GeoNotifier::timerFired) |
| { |
| if (m_errorCallback && options) |
| m_timer.startOneShot(options->timeout() / 1000.0); |
| } |
| |
| void Geolocation::GeoNotifier::timerFired(Timer<GeoNotifier>*) |
| { |
| ASSERT(m_errorCallback); |
| |
| m_timer.stop(); |
| |
| RefPtr<PositionError> error = PositionError::create(PositionError::TIMEOUT, "Timed out"); |
| m_errorCallback->handleEvent(error.get()); |
| } |
| |
| Geolocation::Geolocation(Frame* frame) |
| : m_frame(frame) |
| , m_service(GeolocationService::create(this)) |
| { |
| ASSERT(m_frame->document()); |
| m_frame->document()->setUsingGeolocation(true); |
| } |
| |
| void Geolocation::disconnectFrame() |
| { |
| m_service->stopUpdating(); |
| if (m_frame->document()) |
| m_frame->document()->setUsingGeolocation(false); |
| m_frame = 0; |
| } |
| |
| void Geolocation::getCurrentPosition(PassRefPtr<PositionCallback> successCallback, PassRefPtr<PositionErrorCallback> errorCallback, PositionOptions* options) |
| { |
| RefPtr<GeoNotifier> notifier = GeoNotifier::create(successCallback, errorCallback, options); |
| |
| if (!m_service->startUpdating(options)) { |
| if (notifier->m_errorCallback) { |
| RefPtr<PositionError> error = PositionError::create(PositionError::PERMISSION_DENIED, "Unable to Start"); |
| notifier->m_errorCallback->handleEvent(error.get()); |
| } |
| return; |
| } |
| |
| m_oneShots.add(notifier); |
| } |
| |
| int Geolocation::watchPosition(PassRefPtr<PositionCallback> successCallback, PassRefPtr<PositionErrorCallback> errorCallback, PositionOptions* options) |
| { |
| RefPtr<GeoNotifier> notifier = GeoNotifier::create(successCallback, errorCallback, options); |
| |
| if (!m_service->startUpdating(options)) { |
| if (notifier->m_errorCallback) { |
| RefPtr<PositionError> error = PositionError::create(PositionError::PERMISSION_DENIED, "Unable to Start"); |
| notifier->m_errorCallback->handleEvent(error.get()); |
| } |
| return 0; |
| } |
| |
| static int sIdentifier = 0; |
| |
| m_watchers.set(++sIdentifier, notifier); |
| |
| return sIdentifier; |
| } |
| |
| void Geolocation::clearWatch(int watchId) |
| { |
| m_watchers.remove(watchId); |
| |
| if (!hasListeners()) |
| m_service->stopUpdating(); |
| } |
| |
| void Geolocation::suspend() |
| { |
| if (hasListeners()) |
| m_service->suspend(); |
| } |
| |
| void Geolocation::resume() |
| { |
| if (hasListeners()) |
| m_service->resume(); |
| } |
| |
| void Geolocation::sendErrorToOneShots(PositionError* error) |
| { |
| Vector<RefPtr<GeoNotifier> > copy; |
| copyToVector(m_oneShots, copy); |
| |
| Vector<RefPtr<GeoNotifier> >::const_iterator end = copy.end(); |
| for (Vector<RefPtr<GeoNotifier> >::const_iterator it = copy.begin(); it != end; ++it) { |
| RefPtr<GeoNotifier> notifier = *it; |
| |
| if (notifier->m_errorCallback) |
| notifier->m_errorCallback->handleEvent(error); |
| } |
| } |
| |
| void Geolocation::sendErrorToWatchers(PositionError* error) |
| { |
| Vector<RefPtr<GeoNotifier> > copy; |
| copyValuesToVector(m_watchers, copy); |
| |
| Vector<RefPtr<GeoNotifier> >::const_iterator end = copy.end(); |
| for (Vector<RefPtr<GeoNotifier> >::const_iterator it = copy.begin(); it != end; ++it) { |
| RefPtr<GeoNotifier> notifier = *it; |
| |
| if (notifier->m_errorCallback) |
| notifier->m_errorCallback->handleEvent(error); |
| } |
| } |
| |
| void Geolocation::sendPositionToOneShots(Geoposition* position) |
| { |
| Vector<RefPtr<GeoNotifier> > copy; |
| copyToVector(m_oneShots, copy); |
| |
| Vector<RefPtr<GeoNotifier> >::const_iterator end = copy.end(); |
| for (Vector<RefPtr<GeoNotifier> >::const_iterator it = copy.begin(); it != end; ++it) { |
| RefPtr<GeoNotifier> notifier = *it; |
| ASSERT(notifier->m_successCallback); |
| |
| notifier->m_timer.stop(); |
| bool shouldCallErrorCallback = false; |
| notifier->m_successCallback->handleEvent(position, shouldCallErrorCallback); |
| if (shouldCallErrorCallback) { |
| RefPtr<PositionError> error = PositionError::create(PositionError::UNKNOWN_ERROR, "An exception was thrown"); |
| handleError(error.get()); |
| } |
| } |
| } |
| |
| void Geolocation::sendPositionToWatchers(Geoposition* position) |
| { |
| Vector<RefPtr<GeoNotifier> > copy; |
| copyValuesToVector(m_watchers, copy); |
| |
| Vector<RefPtr<GeoNotifier> >::const_iterator end = copy.end(); |
| for (Vector<RefPtr<GeoNotifier> >::const_iterator it = copy.begin(); it != end; ++it) { |
| RefPtr<GeoNotifier> notifier = *it; |
| ASSERT(notifier->m_successCallback); |
| |
| notifier->m_timer.stop(); |
| bool shouldCallErrorCallback = false; |
| notifier->m_successCallback->handleEvent(position, shouldCallErrorCallback); |
| if (shouldCallErrorCallback) { |
| RefPtr<PositionError> error = PositionError::create(PositionError::UNKNOWN_ERROR, "An exception was thrown"); |
| handleError(error.get()); |
| } |
| } |
| } |
| |
| void Geolocation::handleError(PositionError* error) |
| { |
| ASSERT(error); |
| |
| sendErrorToOneShots(error); |
| sendErrorToWatchers(error); |
| |
| m_oneShots.clear(); |
| } |
| |
| void Geolocation::geolocationServicePositionChanged(GeolocationService* service) |
| { |
| ASSERT(service->lastPosition()); |
| |
| sendPositionToOneShots(service->lastPosition()); |
| sendPositionToWatchers(service->lastPosition()); |
| |
| m_oneShots.clear(); |
| |
| if (!hasListeners()) |
| m_service->stopUpdating(); |
| } |
| |
| void Geolocation::geolocationServiceErrorOccurred(GeolocationService* service) |
| { |
| ASSERT(service->lastError()); |
| |
| handleError(service->lastError()); |
| } |
| |
| } // namespace WebCore |