--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/GeolocationController.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,101 @@
+/*
+ * 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 "GeolocationControllerClient.h"
+
+namespace WebCore {
+
+GeolocationController::GeolocationController(Page* page, GeolocationControllerClient* client)
+    : m_page(page)
+    , m_client(client)
+{
+}
+
+GeolocationController::~GeolocationController()
+{
+    if (m_client)
+        m_client->geolocationDestroyed();
+}
+
+void GeolocationController::addObserver(Geolocation* observer)
+{
+    // This may be called multiple times with the same observer, though removeObserver()
+    // is called only once with each.
+    if (m_observers.contains(observer))
+        return;
+
+    bool wasEmpty = m_observers.isEmpty();
+    m_observers.add(observer);
+    if (wasEmpty && m_client)
+        m_client->startUpdating();
+}
+
+void GeolocationController::removeObserver(Geolocation* observer)
+{
+    if (!m_observers.contains(observer))
+        return;
+
+    m_observers.remove(observer);
+    if (m_observers.isEmpty() && m_client)
+        m_client->stopUpdating();
+}
+
+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)