1/* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#if ENABLE(INPUT_TYPE_TIME) 33#include "TimeInputType.h" 34 35#include "HTMLInputElement.h" 36#include "HTMLNames.h" 37#include "InputTypeNames.h" 38#include <wtf/CurrentTime.h> 39#include <wtf/DateMath.h> 40#include <wtf/MathExtras.h> 41 42namespace WebCore { 43 44using namespace HTMLNames; 45 46static const int timeDefaultStep = 60; 47static const int timeDefaultStepBase = 0; 48static const int timeStepScaleFactor = 1000; 49 50TimeInputType::TimeInputType(HTMLInputElement& element) 51 : BaseChooserOnlyDateAndTimeInputType(element) 52{ 53} 54 55const AtomicString& TimeInputType::formControlType() const 56{ 57 return InputTypeNames::time(); 58} 59 60DateComponents::Type TimeInputType::dateType() const 61{ 62 return DateComponents::Time; 63} 64 65Decimal TimeInputType::defaultValueForStepUp() const 66{ 67 double current = currentTimeMS(); 68 int offset = calculateLocalTimeOffset(current).offset / msPerMinute; 69 current += offset * msPerMinute; 70 71 DateComponents date; 72 date.setMillisecondsSinceMidnight(current); 73 double milliseconds = date.millisecondsSinceEpoch(); 74 ASSERT(std::isfinite(milliseconds)); 75 return Decimal::fromDouble(milliseconds); 76} 77 78StepRange TimeInputType::createStepRange(AnyStepHandling anyStepHandling) const 79{ 80 DEPRECATED_DEFINE_STATIC_LOCAL(const StepRange::StepDescription, stepDescription, (timeDefaultStep, timeDefaultStepBase, timeStepScaleFactor, StepRange::ScaledStepValueShouldBeInteger)); 81 82 const Decimal stepBase = parseToNumber(element().fastGetAttribute(minAttr), 0); 83 const Decimal minimum = parseToNumber(element().fastGetAttribute(minAttr), Decimal::fromDouble(DateComponents::minimumTime())); 84 const Decimal maximum = parseToNumber(element().fastGetAttribute(maxAttr), Decimal::fromDouble(DateComponents::maximumTime())); 85 const Decimal step = StepRange::parseStep(anyStepHandling, stepDescription, element().fastGetAttribute(stepAttr)); 86 return StepRange(stepBase, minimum, maximum, step, stepDescription); 87} 88 89bool TimeInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const 90{ 91 ASSERT(out); 92 unsigned end; 93 return out->parseTime(characters, length, 0, end) && end == length; 94} 95 96bool TimeInputType::setMillisecondToDateComponents(double value, DateComponents* date) const 97{ 98 ASSERT(date); 99 return date->setMillisecondsSinceMidnight(value); 100} 101 102bool TimeInputType::isTimeField() const 103{ 104 return true; 105} 106 107} // namespace WebCore 108 109#endif 110