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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 "core/html/forms/MonthInputType.h"
#include "core/HTMLNames.h"
#include "core/InputTypeNames.h"
#include "core/html/HTMLInputElement.h"
#include "core/html/forms/DateTimeFieldsState.h"
#include "platform/DateComponents.h"
#include "platform/text/PlatformLocale.h"
#include "wtf/CurrentTime.h"
#include "wtf/DateMath.h"
#include "wtf/MathExtras.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
using namespace HTMLNames;
static const int monthDefaultStep = 1;
static const int monthDefaultStepBase = 0;
static const int monthStepScaleFactor = 1;
PassRefPtrWillBeRawPtr<InputType> MonthInputType::create(HTMLInputElement& element)
{
return adoptRefWillBeNoop(new MonthInputType(element));
}
void MonthInputType::countUsage()
{
countUsageIfVisible(UseCounter::InputTypeMonth);
}
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(std::isfinite(msec));
return msec;
}
String MonthInputType::serializeWithMilliseconds(double value) const
{
DateComponents date;
if (!date.setMillisecondsSinceEpochForMonth(value))
return String();
return serializeWithComponents(date);
}
Decimal MonthInputType::defaultValueForStepUp() const
{
double current = currentTimeMS();
double utcOffset = calculateUTCOffset();
double dstOffset = calculateDSTOffset(current, utcOffset);
int offset = static_cast<int>((utcOffset + dstOffset) / msPerMinute);
current += offset * msPerMinute;
DateComponents date;
date.setMillisecondsSinceEpochForMonth(current);
double months = date.monthsSinceEpoch();
ASSERT(std::isfinite(months));
return Decimal::fromDouble(months);
}
StepRange MonthInputType::createStepRange(AnyStepHandling anyStepHandling) const
{
DEFINE_STATIC_LOCAL(const StepRange::StepDescription, stepDescription, (monthDefaultStep, monthDefaultStepBase, monthStepScaleFactor, StepRange::ParsedStepValueShouldBeInteger));
return InputType::createStepRange(anyStepHandling, Decimal::fromDouble(monthDefaultStepBase), Decimal::fromDouble(DateComponents::minimumMonth()), Decimal::fromDouble(DateComponents::maximumMonth()), stepDescription);
}
Decimal MonthInputType::parseToNumber(const String& src, const Decimal& defaultValue) const
{
DateComponents date;
if (!parseToDateComponents(src, &date))
return defaultValue;
double months = date.monthsSinceEpoch();
ASSERT(std::isfinite(months));
return Decimal::fromDouble(months);
}
bool MonthInputType::parseToDateComponentsInternal(const String& string, DateComponents* out) const
{
ASSERT(out);
unsigned end;
return out->parseMonth(string, 0, end) && end == string.length();
}
bool MonthInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
{
ASSERT(date);
return date->setMonthsSinceEpoch(value);
}
bool MonthInputType::isMonthField() const
{
return true;
}
bool MonthInputType::canSetSuggestedValue()
{
return true;
}
#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
String MonthInputType::formatDateTimeFieldsState(const DateTimeFieldsState& dateTimeFieldsState) const
{
if (!dateTimeFieldsState.hasMonth() || !dateTimeFieldsState.hasYear())
return emptyString();
return String::format("%04u-%02u", dateTimeFieldsState.year(), dateTimeFieldsState.month());
}
void MonthInputType::setupLayoutParameters(DateTimeEditElement::LayoutParameters& layoutParameters, const DateComponents& date) const
{
layoutParameters.dateTimeFormat = layoutParameters.locale.monthFormat();
layoutParameters.fallbackDateTimeFormat = "yyyy-MM";
if (!parseToDateComponents(element().fastGetAttribute(minAttr), &layoutParameters.minimum))
layoutParameters.minimum = DateComponents();
if (!parseToDateComponents(element().fastGetAttribute(maxAttr), &layoutParameters.maximum))
layoutParameters.maximum = DateComponents();
layoutParameters.placeholderForMonth = "--";
layoutParameters.placeholderForYear = "----";
}
bool MonthInputType::isValidFormat(bool hasYear, bool hasMonth, bool hasWeek, bool hasDay, bool hasAMPM, bool hasHour, bool hasMinute, bool hasSecond) const
{
return hasYear && hasMonth;
}
#endif
} // namespace WebCore
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