webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 132 insertions, 0 deletions

diff --git a/Source/WebCore/Modules/geolocation/GeoNotifier.cpp b/Source/WebCore/Modules/geolocation/GeoNotifier.cpp
new file mode 100644
index 000000000..09c4ec960
--- /dev/null
+++ b/Source/WebCore/Modules/geolocation/GeoNotifier.cpp
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2008-2011, 2015 Apple Inc. All Rights Reserved.
+ * Copyright (C) 2009 Torch Mobile, Inc.
+ * Copyright 2010, 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:
+ * 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 "GeoNotifier.h"
+
+#if ENABLE(GEOLOCATION)
+
+#include "Geolocation.h"
+
+namespace WebCore {
+
+GeoNotifier::GeoNotifier(Geolocation& geolocation, Ref<PositionCallback>&& successCallback, RefPtr<PositionErrorCallback>&& errorCallback, PositionOptions&& options)
+    : m_geolocation(geolocation)
+    , m_successCallback(WTFMove(successCallback))
+    , m_errorCallback(WTFMove(errorCallback))
+    , m_options(WTFMove(options))
+    , m_timer(*this, &GeoNotifier::timerFired)
+    , m_useCachedPosition(false)
+{
+}
+
+void GeoNotifier::setFatalError(RefPtr<PositionError>&& error)
+{
+    // If a fatal error has already been set, stick with it. This makes sure that
+    // when permission is denied, this is the error reported, as required by the
+    // spec.
+    if (m_fatalError)
+        return;
+
+    m_fatalError = WTFMove(error);
+    // An existing timer may not have a zero timeout.
+    m_timer.stop();
+    m_timer.startOneShot(0);
+}
+
+void GeoNotifier::setUseCachedPosition()
+{
+    m_useCachedPosition = true;
+    m_timer.startOneShot(0);
+}
+
+bool GeoNotifier::hasZeroTimeout() const
+{
+    return !m_options.timeout;
+}
+
+void GeoNotifier::runSuccessCallback(Geoposition* position)
+{
+    // If we are here and the Geolocation permission is not approved, something has
+    // gone horribly wrong.
+    if (!m_geolocation->isAllowed())
+        CRASH();
+
+    m_successCallback->handleEvent(position);
+}
+
+void GeoNotifier::runErrorCallback(PositionError* error)
+{
+    if (m_errorCallback)
+        m_errorCallback->handleEvent(error);
+}
+
+void GeoNotifier::startTimerIfNeeded()
+{
+    m_timer.startOneShot(m_options.timeout / 1000.0);
+}
+
+void GeoNotifier::stopTimer()
+{
+    m_timer.stop();
+}
+
+void GeoNotifier::timerFired()
+{
+    m_timer.stop();
+
+    // Protect this GeoNotifier object, since it
+    // could be deleted by a call to clearWatch in a callback.
+    Ref<GeoNotifier> protectedThis(*this);
+
+    // Test for fatal error first. This is required for the case where the Frame is
+    // disconnected and requests are cancelled.
+    if (m_fatalError) {
+        runErrorCallback(m_fatalError.get());
+        // This will cause this notifier to be deleted.
+        m_geolocation->fatalErrorOccurred(this);
+        return;
+    }
+
+    if (m_useCachedPosition) {
+        // Clear the cached position flag in case this is a watch request, which
+        // will continue to run.
+        m_useCachedPosition = false;
+        m_geolocation->requestUsesCachedPosition(this);
+        return;
+    }
+    
+    if (m_errorCallback) {
+        RefPtr<PositionError> error = PositionError::create(PositionError::TIMEOUT, ASCIILiteral("Timeout expired"));
+        m_errorCallback->handleEvent(error.get());
+    }
+    m_geolocation->requestTimedOut(this);
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(GEOLOCATION)