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Diffstat (limited to 'Source/WebCore/platform/android/GeolocationServiceAndroid.cpp')
| -rw-r--r-- | Source/WebCore/platform/android/GeolocationServiceAndroid.cpp | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/Source/WebCore/platform/android/GeolocationServiceAndroid.cpp b/Source/WebCore/platform/android/GeolocationServiceAndroid.cpp deleted file mode 100644 index 0f07722..0000000 --- a/Source/WebCore/platform/android/GeolocationServiceAndroid.cpp +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Copyright 2009, The Android Open Source Project - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 "GeolocationServiceAndroid.h" - -#include "Geolocation.h" -#include "GeolocationServiceBridge.h" -#include "Geoposition.h" -#include "PositionError.h" -#include "PositionOptions.h" - -#if PLATFORM(ANDROID) -// Required for sim-eng build -#include <math.h> -#endif -#include <wtf/CurrentTime.h> - -using JSC::Bindings::getJNIEnv; -using namespace std; - -namespace WebCore { - -// GeolocationServiceAndroid is the Android implmentation of Geolocation -// service. Each object of this class owns an object of type -// GeolocationServiceBridge, which in turn owns a Java GeolocationService -// object. Therefore, there is a 1:1 mapping between Geolocation, -// GeolocationServiceAndroid, GeolocationServiceBridge and Java -// GeolocationService objects. In the case where multiple Geolocation objects -// exist simultaneously, the corresponsing Java GeolocationService objects all -// register with the platform location service. It is the platform service that -// handles making sure that updates are passed to all Geolocation objects. -GeolocationService* GeolocationServiceAndroid::create(GeolocationServiceClient* client) -{ - return new GeolocationServiceAndroid(client); -} - -GeolocationService::FactoryFunction* GeolocationService::s_factoryFunction = &GeolocationServiceAndroid::create; - -GeolocationServiceAndroid::GeolocationServiceAndroid(GeolocationServiceClient* client) - : GeolocationService(client) - , m_timer(this, &GeolocationServiceAndroid::timerFired) - , m_javaBridge(0) -{ -} - -// ANDROID -// TODO: Upstream to webkit.org. See https://bugs.webkit.org/show_bug.cgi?id=34082 -bool GeolocationServiceAndroid::startUpdating(PositionOptions* options, bool suspend) -{ - // ANDROID - // This is an ugly hack. A correct fix would require a change to WebCore, - // but this isn't worth the effort as we're in the process of switching to a - // client-based implementation. See https://bugs.webkit.org/show_bug.cgi?id=40373 - Frame* frame = reinterpret_cast<Geolocation*>(geolocationServiceClient())->frame(); - if (!frame) - return false; - - // This method is called every time a new watch or one-shot position request - // is started. If we already have a position or an error, call back - // immediately. - if (m_lastPosition || m_lastError) { - ASSERT(m_javaBridge); - m_timer.startOneShot(0); - } - - // Lazilly create the Java object. - bool haveJavaBridge = m_javaBridge; - if (!haveJavaBridge) - m_javaBridge.set(new GeolocationServiceBridge(this, frame)); - ASSERT(m_javaBridge); - - // On Android, high power == GPS. Set whether to use GPS before we start the - // implementation. - ASSERT(options); - if (options->enableHighAccuracy()) - m_javaBridge->setEnableGps(true); - - // We need only start the service when it's first created. - if (!haveJavaBridge) { - // If the browser is paused, don't start the service. It will be started - // when we get the call to resume. - // ANDROID - // TODO: Upstream to webkit.org. See https://bugs.webkit.org/show_bug.cgi?id=34082 - if (!suspend) - return m_javaBridge->start(); - } - - return true; -} - -void GeolocationServiceAndroid::stopUpdating() -{ - // Called when the Geolocation object has no watches or one shots in - // progress. This may be called repeatedly. - m_javaBridge.clear(); - // Reset last position and error to make sure that we always try to get a - // new position from the system service when a request is first made. - m_lastPosition = 0; - m_lastError = 0; - // remove the pending timer - if (m_timer.isActive()) - m_timer.stop(); -} - -void GeolocationServiceAndroid::suspend() -{ - if (m_javaBridge) - m_javaBridge->stop(); -} - -void GeolocationServiceAndroid::resume() -{ - if (m_javaBridge) - m_javaBridge->start(); -} - -// Note that there is no guarantee that subsequent calls to this method offer a -// more accurate or updated position. -void GeolocationServiceAndroid::newPositionAvailable(PassRefPtr<Geoposition> position) -{ - ASSERT(position); - if (!m_lastPosition - || isPositionMovement(m_lastPosition.get(), position.get()) - || isPositionMoreAccurate(m_lastPosition.get(), position.get()) - || isPositionMoreTimely(m_lastPosition.get(), position.get())) { - m_lastPosition = position; - // Remove the last error. - m_lastError = 0; - positionChanged(); - } -} - -void GeolocationServiceAndroid::newErrorAvailable(PassRefPtr<PositionError> error) -{ - ASSERT(error); - // We leave the last position - m_lastError = error; - errorOccurred(); -} - -void GeolocationServiceAndroid::timerFired(Timer<GeolocationServiceAndroid>* timer) -{ - ASSERT(&m_timer == timer); - ASSERT(m_lastPosition || m_lastError); - if (m_lastPosition) - positionChanged(); - else if (m_lastError) - errorOccurred(); -} - -bool GeolocationServiceAndroid::isPositionMovement(Geoposition* position1, Geoposition* position2) -{ - ASSERT(position1 && position2); - // For the small distances in which we are likely concerned, it's reasonable - // to approximate the distance between the two positions as the sum of the - // differences in latitude and longitude. - double delta = fabs(position1->coords()->latitude() - position2->coords()->latitude()) - + fabs(position1->coords()->longitude() - position2->coords()->longitude()); - // Approximate conversion from degrees of arc to metres. - delta *= 60 * 1852; - // The threshold is when the distance between the two positions exceeds the - // worse (larger) of the two accuracies. - int maxAccuracy = max(position1->coords()->accuracy(), position2->coords()->accuracy()); - return delta > maxAccuracy; -} - -bool GeolocationServiceAndroid::isPositionMoreAccurate(Geoposition* position1, Geoposition* position2) -{ - ASSERT(position1 && position2); - return position2->coords()->accuracy() < position1->coords()->accuracy(); -} - -bool GeolocationServiceAndroid::isPositionMoreTimely(Geoposition* position1, Geoposition* position2) -{ - ASSERT(position1 && position2); - DOMTimeStamp currentTime = convertSecondsToDOMTimeStamp(WTF::currentTime()); - DOMTimeStamp maximumAge = convertSecondsToDOMTimeStamp(10 * 60); // 10 minutes - return currentTime - position1->timestamp() > maximumAge; -} - -} // namespace WebCore |