Code drop from //branches/cupcake/...@124589

1 files changed, 222 insertions, 0 deletions

diff --git a/WebCore/page/Geolocation.cpp b/WebCore/page/Geolocation.cpp
new file mode 100644
index 0000000..a0c9694
--- /dev/null
+++ b/WebCore/page/Geolocation.cpp
@@ -0,0 +1,222 @@
+/*
+ * 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_ERROR, "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_ERROR, "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_ERROR, "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