/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * 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
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#include "config.h"
#if ENABLE(INPUT_TYPE_DATE)
#include "DateInputType.h"

#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "InputTypeNames.h"
#include <wtf/NeverDestroyed.h>

namespace WebCore {

using namespace HTMLNames;

static const int dateDefaultStep = 1;
static const int dateDefaultStepBase = 0;
static const int dateStepScaleFactor = 86400000;

DateInputType::DateInputType(HTMLInputElement& element)
    : BaseChooserOnlyDateAndTimeInputType(element)
{
}

const AtomicString& DateInputType::formControlType() const
{
    return InputTypeNames::date();
}

DateComponents::Type DateInputType::dateType() const
{
    return DateComponents::Date;
}

StepRange DateInputType::createStepRange(AnyStepHandling anyStepHandling) const
{
    static NeverDestroyed<const StepRange::StepDescription> stepDescription(dateDefaultStep, dateDefaultStepBase, dateStepScaleFactor, StepRange::ParsedStepValueShouldBeInteger);

    const Decimal stepBase = parseToNumber(element().fastGetAttribute(minAttr), 0);
    const Decimal minimum = parseToNumber(element().fastGetAttribute(minAttr), Decimal::fromDouble(DateComponents::minimumDate()));
    const Decimal maximum = parseToNumber(element().fastGetAttribute(maxAttr), Decimal::fromDouble(DateComponents::maximumDate()));
    const Decimal step = StepRange::parseStep(anyStepHandling, stepDescription, element().fastGetAttribute(stepAttr));
    return StepRange(stepBase, minimum, maximum, step, stepDescription);
}

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

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

bool DateInputType::isDateField() const
{
    return true;
}

} // namespace WebCore
#endif
