/*
 * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 "DateTimeLocalInputType.h"

#if ENABLE(INPUT_TYPE_DATETIMELOCAL)

#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "InputTypeNames.h"

namespace WebCore {

using namespace HTMLNames;

static const int dateTimeLocalDefaultStep = 60;
static const int dateTimeLocalDefaultStepBase = 0;
static const int dateTimeLocalStepScaleFactor = 1000;
static const StepRange::StepDescription dateTimeLocalStepDescription { dateTimeLocalDefaultStep, dateTimeLocalDefaultStepBase, dateTimeLocalStepScaleFactor, StepRange::ScaledStepValueShouldBeInteger };

const AtomicString& DateTimeLocalInputType::formControlType() const
{
    return InputTypeNames::datetimelocal();
}

DateComponents::Type DateTimeLocalInputType::dateType() const
{
    return DateComponents::DateTimeLocal;
}

double DateTimeLocalInputType::valueAsDate() const
{
    // valueAsDate doesn't work for the datetime-local type according to the standard.
    return DateComponents::invalidMilliseconds();
}

ExceptionOr<void> DateTimeLocalInputType::setValueAsDate(double value) const
{
    // valueAsDate doesn't work for the datetime-local type according to the standard.
    return InputType::setValueAsDate(value);
}

StepRange DateTimeLocalInputType::createStepRange(AnyStepHandling anyStepHandling) const
{
    ASSERT(element());
    const Decimal stepBase = parseToNumber(element()->attributeWithoutSynchronization(minAttr), 0);
    const Decimal minimum = parseToNumber(element()->attributeWithoutSynchronization(minAttr), Decimal::fromDouble(DateComponents::minimumDateTime()));
    const Decimal maximum = parseToNumber(element()->attributeWithoutSynchronization(maxAttr), Decimal::fromDouble(DateComponents::maximumDateTime()));
    const Decimal step = StepRange::parseStep(anyStepHandling, dateTimeLocalStepDescription, element()->attributeWithoutSynchronization(stepAttr));
    return StepRange(stepBase, RangeLimitations::Valid, minimum, maximum, step, dateTimeLocalStepDescription);
}

bool DateTimeLocalInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const
{
    ASSERT(out);
    unsigned end;
    return out->parseDateTimeLocal(characters, length, 0, end) && end == length;
}

bool DateTimeLocalInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
{
    ASSERT(date);
    return date->setMillisecondsSinceEpochForDateTimeLocal(value);
}

bool DateTimeLocalInputType::isDateTimeLocalField() const
{
    return true;
}

} // namespace WebCore

#endif