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/*
* 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 "MonthInputType.h"
#include "DateComponents.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include <wtf/MathExtras.h>
#include <wtf/PassOwnPtr.h>
namespace WebCore {
using namespace HTMLNames;
static const double monthDefaultStep = 1.0;
static const double monthStepScaleFactor = 1.0;
PassOwnPtr<InputType> MonthInputType::create(HTMLInputElement* element)
{
return adoptPtr(new MonthInputType(element));
}
const AtomicString& MonthInputType::formControlType() const
{
return InputTypeNames::month();
}
double MonthInputType::valueAsDate() const
{
DateComponents date;
if (!parseToDateComponents(element()->value(), &date))
return DateComponents::invalidMilliseconds();
double msec = date.millisecondsSinceEpoch();
ASSERT(isfinite(msec));
return msec;
}
void MonthInputType::setValueAsDate(double value, ExceptionCode&) const
{
DateComponents date;
if (!date.setMillisecondsSinceEpochForMonth(value)) {
element()->setValue(String());
return;
}
element()->setValue(date.toString());
}
double MonthInputType::minimum() const
{
return parseToDouble(element()->fastGetAttribute(minAttr), DateComponents::minimumMonth());
}
double MonthInputType::maximum() const
{
return parseToDouble(element()->fastGetAttribute(maxAttr), DateComponents::maximumMonth());
}
double MonthInputType::defaultStep() const
{
return monthDefaultStep;
}
double MonthInputType::stepScaleFactor() const
{
return monthStepScaleFactor;
}
bool MonthInputType::parsedStepValueShouldBeInteger() const
{
return true;
}
double MonthInputType::parseToDouble(const String& src, double defaultValue) const
{
DateComponents date;
if (!parseToDateComponents(src, &date))
return defaultValue;
double months = date.monthsSinceEpoch();
ASSERT(isfinite(months));
return months;
}
bool MonthInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const
{
ASSERT(out);
unsigned end;
return out->parseMonth(characters, length, 0, end) && end == length;
}
bool MonthInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
{
ASSERT(date);
return date->setMonthsSinceEpoch(value);
}
} // namespace WebCore
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