--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSGeolocationCustom.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,189 @@
+/*
+ * 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 "JSGeolocation.h"
+
+#if ENABLE(GEOLOCATION)
+
+#include "DOMWindow.h"
+#include "ExceptionCode.h"
+#include "Geolocation.h"
+#include "JSCustomPositionCallback.h"
+#include "JSCustomPositionErrorCallback.h"
+#include "JSDOMWindow.h"
+#include "PositionOptions.h"
+#include <runtime/JSFunction.h>
+
+#if !ENABLE(CLIENT_BASED_GEOLOCATION)
+#include "GeolocationService.h"
+#endif
+
+using namespace JSC;
+using namespace std;
+
+namespace WebCore {
+
+static PassRefPtr<PositionCallback> createPositionCallback(ExecState* exec, JSDOMGlobalObject* globalObject, JSValue value)
+{
+    // The spec specifies 'FunctionOnly' for this object.
+    // FIXME: This check disallows callable objects created via JSC API. It's not clear what exactly the specification intends to allow.
+    if (!value.inherits(&JSFunction::info)) {
+        setDOMException(exec, TYPE_MISMATCH_ERR);
+        return 0;
+    }
+
+    JSObject* object = asObject(value);
+    return JSCustomPositionCallback::create(object, globalObject);
+}
+
+static PassRefPtr<PositionErrorCallback> createPositionErrorCallback(ExecState* exec, JSDOMGlobalObject* globalObject, JSValue value)
+{
+    // Argument is optional (hence undefined is allowed), and null is allowed.
+    if (value.isUndefinedOrNull())
+        return 0;
+
+    // The spec specifies 'FunctionOnly' for this object.
+    // FIXME: This check disallows callable objects created via JSC API. It's not clear what exactly the specification intends to allow.
+    if (!value.inherits(&JSFunction::info)) {
+        setDOMException(exec, TYPE_MISMATCH_ERR);
+        return 0;
+    }
+
+    JSObject* object = asObject(value);
+    return JSCustomPositionErrorCallback::create(object, globalObject);
+}
+
+static PassRefPtr<PositionOptions> createPositionOptions(ExecState* exec, JSValue value)
+{
+    // Create default options.
+    RefPtr<PositionOptions> options = PositionOptions::create();
+
+    // Argument is optional (hence undefined is allowed), and null is allowed.
+    if (value.isUndefinedOrNull()) {
+        // Use default options.
+        return options.release();
+    }
+
+    // Given the above test, this will always yield an object.
+    JSObject* object = value.toObject(exec);
+
+    // For all three properties, we apply the following ...
+    // - If the getter or the property's valueOf method throws an exception, we
+    //   quit so as not to risk overwriting the exception.
+    // - If the value is absent or undefined, we don't override the default.
+    JSValue enableHighAccuracyValue = object->get(exec, Identifier(exec, "enableHighAccuracy"));
+    if (exec->hadException())
+        return 0;
+    if (!enableHighAccuracyValue.isUndefined()) {
+        options->setEnableHighAccuracy(enableHighAccuracyValue.toBoolean(exec));
+        if (exec->hadException())
+            return 0;
+    }
+
+    JSValue timeoutValue = object->get(exec, Identifier(exec, "timeout"));
+    if (exec->hadException())
+        return 0;
+    if (!timeoutValue.isUndefined()) {
+        double timeoutNumber = timeoutValue.toNumber(exec);
+        if (exec->hadException())
+            return 0;
+        // If the value is positive infinity, there's nothing to do.
+        if (!(isinf(timeoutNumber) && (timeoutNumber > 0))) {
+            // Wrap to int32 and force non-negative to match behavior of window.setTimeout.
+            options->setTimeout(max(0, timeoutValue.toInt32(exec)));
+            if (exec->hadException())
+                return 0;
+        }
+    }
+
+    JSValue maximumAgeValue = object->get(exec, Identifier(exec, "maximumAge"));
+    if (exec->hadException())
+        return 0;
+    if (!maximumAgeValue.isUndefined()) {
+        double maximumAgeNumber = maximumAgeValue.toNumber(exec);
+        if (exec->hadException())
+            return 0;
+        if (isinf(maximumAgeNumber) && (maximumAgeNumber > 0)) {
+            // If the value is positive infinity, clear maximumAge.
+            options->clearMaximumAge();
+        } else {
+            // Wrap to int32 and force non-negative to match behavior of window.setTimeout.
+            options->setMaximumAge(max(0, maximumAgeValue.toInt32(exec)));
+            if (exec->hadException())
+                return 0;
+        }
+    }
+
+    return options.release();
+}
+
+JSValue JSGeolocation::getCurrentPosition(ExecState* exec)
+{
+    // Arguments: PositionCallback, (optional)PositionErrorCallback, (optional)PositionOptions
+
+    RefPtr<PositionCallback> positionCallback = createPositionCallback(exec, static_cast<JSDOMGlobalObject*>(exec->lexicalGlobalObject()), exec->argument(0));
+    if (exec->hadException())
+        return jsUndefined();
+    ASSERT(positionCallback);
+
+    RefPtr<PositionErrorCallback> positionErrorCallback = createPositionErrorCallback(exec, static_cast<JSDOMGlobalObject*>(exec->lexicalGlobalObject()), exec->argument(1));
+    if (exec->hadException())
+        return jsUndefined();
+
+    RefPtr<PositionOptions> positionOptions = createPositionOptions(exec, exec->argument(2));
+    if (exec->hadException())
+        return jsUndefined();
+    ASSERT(positionOptions);
+
+    m_impl->getCurrentPosition(positionCallback.release(), positionErrorCallback.release(), positionOptions.release());
+    return jsUndefined();
+}
+
+JSValue JSGeolocation::watchPosition(ExecState* exec)
+{
+    // Arguments: PositionCallback, (optional)PositionErrorCallback, (optional)PositionOptions
+
+    RefPtr<PositionCallback> positionCallback = createPositionCallback(exec, static_cast<JSDOMGlobalObject*>(exec->lexicalGlobalObject()), exec->argument(0));
+    if (exec->hadException())
+        return jsUndefined();
+    ASSERT(positionCallback);
+
+    RefPtr<PositionErrorCallback> positionErrorCallback = createPositionErrorCallback(exec, static_cast<JSDOMGlobalObject*>(exec->lexicalGlobalObject()), exec->argument(1));
+    if (exec->hadException())
+        return jsUndefined();
+
+    RefPtr<PositionOptions> positionOptions = createPositionOptions(exec, exec->argument(2));
+    if (exec->hadException())
+        return jsUndefined();
+    ASSERT(positionOptions);
+
+    int watchID = m_impl->watchPosition(positionCallback.release(), positionErrorCallback.release(), positionOptions.release());
+    return jsNumber(exec, watchID);
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(GEOLOCATION)