| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * Copyright (C) 2016-2018 Apple 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 "BaseDateAndTimeInputType.h" |
| |
| #if ENABLE(DATE_AND_TIME_INPUT_TYPES) |
| |
| #include "HTMLInputElement.h" |
| #include "HTMLNames.h" |
| #include "KeyboardEvent.h" |
| #include "PlatformLocale.h" |
| #include <limits> |
| #include <wtf/DateMath.h> |
| #include <wtf/MathExtras.h> |
| #include <wtf/text/StringView.h> |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| static const int msecPerMinute = 60 * 1000; |
| static const int msecPerSecond = 1000; |
| |
| double BaseDateAndTimeInputType::valueAsDate() const |
| { |
| return valueAsDouble(); |
| } |
| |
| ExceptionOr<void> BaseDateAndTimeInputType::setValueAsDate(double value) const |
| { |
| ASSERT(element()); |
| element()->setValue(serializeWithMilliseconds(value)); |
| return { }; |
| } |
| |
| double BaseDateAndTimeInputType::valueAsDouble() const |
| { |
| ASSERT(element()); |
| const Decimal value = parseToNumber(element()->value(), Decimal::nan()); |
| return value.isFinite() ? value.toDouble() : DateComponents::invalidMilliseconds(); |
| } |
| |
| ExceptionOr<void> BaseDateAndTimeInputType::setValueAsDecimal(const Decimal& newValue, TextFieldEventBehavior eventBehavior) const |
| { |
| ASSERT(element()); |
| element()->setValue(serialize(newValue), eventBehavior); |
| return { }; |
| } |
| |
| bool BaseDateAndTimeInputType::typeMismatchFor(const String& value) const |
| { |
| return !value.isEmpty() && !parseToDateComponents(value, 0); |
| } |
| |
| bool BaseDateAndTimeInputType::typeMismatch() const |
| { |
| ASSERT(element()); |
| return typeMismatchFor(element()->value()); |
| } |
| |
| Decimal BaseDateAndTimeInputType::defaultValueForStepUp() const |
| { |
| double ms = WallTime::now().secondsSinceEpoch().milliseconds(); |
| int offset = calculateLocalTimeOffset(ms).offset / msPerMinute; |
| return Decimal::fromDouble(ms + (offset * msPerMinute)); |
| } |
| |
| bool BaseDateAndTimeInputType::isSteppable() const |
| { |
| return true; |
| } |
| |
| void BaseDateAndTimeInputType::attributeChanged(const QualifiedName& name) |
| { |
| if (name == maxAttr || name == minAttr) { |
| if (auto* element = this->element()) |
| element->invalidateStyleForSubtree(); |
| } |
| InputType::attributeChanged(name); |
| } |
| |
| Decimal BaseDateAndTimeInputType::parseToNumber(const String& source, const Decimal& defaultValue) const |
| { |
| DateComponents date; |
| if (!parseToDateComponents(source, &date)) |
| return defaultValue; |
| double msec = date.millisecondsSinceEpoch(); |
| ASSERT(std::isfinite(msec)); |
| return Decimal::fromDouble(msec); |
| } |
| |
| bool BaseDateAndTimeInputType::parseToDateComponents(const String& source, DateComponents* out) const |
| { |
| if (source.isEmpty()) |
| return false; |
| DateComponents ignoredResult; |
| if (!out) |
| out = &ignoredResult; |
| return parseToDateComponentsInternal(StringView(source).upconvertedCharacters(), source.length(), out); |
| } |
| |
| String BaseDateAndTimeInputType::serialize(const Decimal& value) const |
| { |
| if (!value.isFinite()) |
| return String(); |
| DateComponents date; |
| if (!setMillisecondToDateComponents(value.toDouble(), &date)) |
| return String(); |
| return serializeWithComponents(date); |
| } |
| |
| String BaseDateAndTimeInputType::serializeWithComponents(const DateComponents& date) const |
| { |
| ASSERT(element()); |
| Decimal step; |
| if (!element()->getAllowedValueStep(&step)) |
| return date.toString(); |
| if (step.remainder(msecPerMinute).isZero()) |
| return date.toString(DateComponents::None); |
| if (step.remainder(msecPerSecond).isZero()) |
| return date.toString(DateComponents::Second); |
| return date.toString(DateComponents::Millisecond); |
| } |
| |
| String BaseDateAndTimeInputType::serializeWithMilliseconds(double value) const |
| { |
| return serialize(Decimal::fromDouble(value)); |
| } |
| |
| String BaseDateAndTimeInputType::localizeValue(const String& proposedValue) const |
| { |
| DateComponents date; |
| if (!parseToDateComponents(proposedValue, &date)) |
| return proposedValue; |
| |
| ASSERT(element()); |
| String localized = element()->locale().formatDateTime(date); |
| return localized.isEmpty() ? proposedValue : localized; |
| } |
| |
| String BaseDateAndTimeInputType::visibleValue() const |
| { |
| ASSERT(element()); |
| return localizeValue(element()->value()); |
| } |
| |
| String BaseDateAndTimeInputType::sanitizeValue(const String& proposedValue) const |
| { |
| return typeMismatchFor(proposedValue) ? String() : proposedValue; |
| } |
| |
| bool BaseDateAndTimeInputType::supportsReadOnly() const |
| { |
| return true; |
| } |
| |
| bool BaseDateAndTimeInputType::shouldRespectListAttribute() |
| { |
| return InputType::themeSupportsDataListUI(this); |
| } |
| |
| bool BaseDateAndTimeInputType::valueMissing(const String& value) const |
| { |
| ASSERT(element()); |
| return element()->isRequired() && value.isEmpty(); |
| } |
| |
| #if PLATFORM(IOS_FAMILY) |
| bool BaseDateAndTimeInputType::isKeyboardFocusable(KeyboardEvent*) const |
| { |
| ASSERT(element()); |
| return !element()->isReadOnly() && element()->isTextFormControlFocusable(); |
| } |
| #endif |
| |
| } // namespace WebCore |
| #endif |