diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/js/JSDeviceOrientationEventCustom.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSDeviceOrientationEventCustom.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2010 Google 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:
+ *  * 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 "JSDeviceOrientationEvent.h"
+
+#if ENABLE(DEVICE_ORIENTATION)
+
+#include "DeviceOrientation.h"
+#include "DeviceOrientationEvent.h"
+
+using namespace JSC;
+
+namespace WebCore {
+
+JSValue JSDeviceOrientationEvent::alpha(ExecState* exec) const
+{
+    DeviceOrientationEvent* imp = static_cast<DeviceOrientationEvent*>(impl());
+    if (!imp->orientation()->canProvideAlpha())
+        return jsNull();
+    return jsNumber(exec, imp->orientation()->alpha());
+}
+
+JSValue JSDeviceOrientationEvent::beta(ExecState* exec) const
+{
+    DeviceOrientationEvent* imp = static_cast<DeviceOrientationEvent*>(impl());
+    if (!imp->orientation()->canProvideBeta())
+        return jsNull();
+    return jsNumber(exec, imp->orientation()->beta());
+}
+
+JSValue JSDeviceOrientationEvent::gamma(ExecState* exec) const
+{
+    DeviceOrientationEvent* imp = static_cast<DeviceOrientationEvent*>(impl());
+    if (!imp->orientation()->canProvideGamma())
+        return jsNull();
+    return jsNumber(exec, imp->orientation()->gamma());
+}
+
+JSValue JSDeviceOrientationEvent::initDeviceOrientationEvent(ExecState* exec)
+{
+    const String& type = ustringToString(exec->argument(0).toString(exec));
+    bool bubbles = exec->argument(1).toBoolean(exec);
+    bool cancelable = exec->argument(2).toBoolean(exec);
+    // If alpha, beta or gamma are null or undefined, mark them as not provided.
+    // Otherwise, use the standard JavaScript conversion.
+    bool alphaProvided = !exec->argument(3).isUndefinedOrNull();
+    double alpha = exec->argument(3).toNumber(exec);
+    bool betaProvided = !exec->argument(4).isUndefinedOrNull();
+    double beta = exec->argument(4).toNumber(exec);
+    bool gammaProvided = !exec->argument(5).isUndefinedOrNull();
+    double gamma = exec->argument(5).toNumber(exec);
+    RefPtr<DeviceOrientation> orientation = DeviceOrientation::create(alphaProvided, alpha, betaProvided, beta, gammaProvided, gamma);
+    DeviceOrientationEvent* imp = static_cast<DeviceOrientationEvent*>(impl());
+    imp->initDeviceOrientationEvent(type, bubbles, cancelable, orientation.get());
+    return jsUndefined();
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(DEVICE_ORIENTATION)