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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 "JSDOMWindow.h"
#include "JSDictionary.h"
#include "JSPositionCallback.h"
#include "JSPositionErrorCallback.h"
#include "PositionOptions.h"
using namespace JSC;
using namespace std;
namespace WebCore {
// JSDictionary helper functions
static void setEnableHighAccuracy(PositionOptions* options, const bool& enableHighAccuracy)
{
options->setEnableHighAccuracy(enableHighAccuracy);
}
static void setTimeout(PositionOptions* options, const double& timeout)
{
// If the value is positive infinity, there's nothing to do.
if (!(std::isinf(timeout) && (timeout > 0))) {
// Wrap to int32 and force non-negative to match behavior of window.setTimeout.
options->setTimeout(max(0, static_cast<int>(timeout)));
}
}
static void setMaximumAge(PositionOptions* options, const double& maximumAge)
{
if (std::isinf(maximumAge) && (maximumAge > 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, static_cast<int>(maximumAge)));
}
}
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);
// Create the dictionary wrapper from the initializer object.
JSDictionary dictionary(exec, object);
if (!dictionary.tryGetProperty("enableHighAccuracy", options.get(), setEnableHighAccuracy))
return 0;
if (!dictionary.tryGetProperty("timeout", options.get(), setTimeout))
return 0;
if (!dictionary.tryGetProperty("maximumAge", options.get(), setMaximumAge))
return 0;
return options.release();
}
JSValue JSGeolocation::getCurrentPosition(ExecState* exec)
{
// Arguments: PositionCallback, (optional)PositionErrorCallback, (optional)PositionOptions
RefPtr<PositionCallback> positionCallback = createFunctionOnlyCallback<JSPositionCallback>(exec, globalObject(), exec->argument(0));
if (exec->hadException())
return jsUndefined();
ASSERT(positionCallback);
RefPtr<PositionErrorCallback> positionErrorCallback = createFunctionOnlyCallback<JSPositionErrorCallback>(exec, globalObject(), 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<JSPositionCallback>(exec, globalObject(), exec->argument(0));
if (exec->hadException())
return jsUndefined();
ASSERT(positionCallback);
RefPtr<PositionErrorCallback> positionErrorCallback = createFunctionOnlyCallback<JSPositionErrorCallback>(exec, globalObject(), 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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