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Diffstat (limited to 'Source/WebCore/html/MonthInputType.cpp')
-rw-r--r-- | Source/WebCore/html/MonthInputType.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/Source/WebCore/html/MonthInputType.cpp b/Source/WebCore/html/MonthInputType.cpp new file mode 100644 index 0000000..38f9d00 --- /dev/null +++ b/Source/WebCore/html/MonthInputType.cpp @@ -0,0 +1,142 @@ +/* + * 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/CurrentTime.h> +#include <wtf/DateMath.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::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(isfinite(months)); + return months; +} + +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 |