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/*
* 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 "CallbackFunction.h"
#include "DOMWindow.h"
#include "Geolocation.h"
#include "JSCustomPositionCallback.h"
#include "JSCustomPositionErrorCallback.h"
#include "JSDOMWindow.h"
#include "PositionOptions.h"
#if !ENABLE(CLIENT_BASED_GEOLOCATION)
#include "GeolocationService.h"
#endif
using namespace JSC;
using namespace std;
namespace WebCore {
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 = createFunctionOnlyCallback<JSCustomPositionCallback>(exec, static_cast<JSDOMGlobalObject*>(exec->lexicalGlobalObject()), exec->argument(0));
if (exec->hadException())
return jsUndefined();
ASSERT(positionCallback);
RefPtr<PositionErrorCallback> positionErrorCallback = createFunctionOnlyCallback<JSCustomPositionErrorCallback>(exec, static_cast<JSDOMGlobalObject*>(exec->lexicalGlobalObject()), exec->argument(1), CallbackAllowUndefined | CallbackAllowNull);
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 = createFunctionOnlyCallback<JSCustomPositionCallback>(exec, static_cast<JSDOMGlobalObject*>(exec->lexicalGlobalObject()), exec->argument(0));
if (exec->hadException())
return jsUndefined();
ASSERT(positionCallback);
RefPtr<PositionErrorCallback> positionErrorCallback = createFunctionOnlyCallback<JSCustomPositionErrorCallback>(exec, static_cast<JSDOMGlobalObject*>(exec->lexicalGlobalObject()), exec->argument(1), CallbackAllowUndefined | CallbackAllowNull);
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(watchID);
}
} // namespace WebCore
#endif // ENABLE(GEOLOCATION)
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