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 "DateComponents.h" 36#include "HTMLInputElement.h" 37#include "HTMLNames.h" 38#include "InputTypeNames.h" 39#include <wtf/CurrentTime.h> 40#include <wtf/DateMath.h> 41#include <wtf/MathExtras.h> 42#include <wtf/PassOwnPtr.h> 43 44namespace WebCore { 45 46using namespace HTMLNames; 47 48static const int timeDefaultStep = 60; 49static const int timeDefaultStepBase = 0; 50static const int timeStepScaleFactor = 1000; 51 52TimeInputType::TimeInputType(HTMLInputElement* element) 53 : BaseTimeInputType(element) 54{ 55} 56 57PassOwnPtr<InputType> TimeInputType::create(HTMLInputElement* element) 58{ 59 return adoptPtr(new TimeInputType(element)); 60} 61 62void TimeInputType::attach() 63{ 64 observeFeatureIfVisible(FeatureObserver::InputTypeTime); 65} 66 67const AtomicString& TimeInputType::formControlType() const 68{ 69 return InputTypeNames::time(); 70} 71 72DateComponents::Type TimeInputType::dateType() const 73{ 74 return DateComponents::Time; 75} 76 77Decimal TimeInputType::defaultValueForStepUp() const 78{ 79 double current = currentTimeMS(); 80 double utcOffset = calculateUTCOffset(); 81 double dstOffset = calculateDSTOffset(current, utcOffset); 82 int offset = static_cast<int>((utcOffset + dstOffset) / msPerMinute); 83 current += offset * msPerMinute; 84 85 DateComponents date; 86 date.setMillisecondsSinceMidnight(current); 87 double milliseconds = date.millisecondsSinceEpoch(); 88 ASSERT(std::isfinite(milliseconds)); 89 return Decimal::fromDouble(milliseconds); 90} 91 92StepRange TimeInputType::createStepRange(AnyStepHandling anyStepHandling) const 93{ 94 DEFINE_STATIC_LOCAL(const StepRange::StepDescription, stepDescription, (timeDefaultStep, timeDefaultStepBase, timeStepScaleFactor, StepRange::ScaledStepValueShouldBeInteger)); 95 96 const Decimal stepBase = parseToNumber(element()->fastGetAttribute(minAttr), 0); 97 const Decimal minimum = parseToNumber(element()->fastGetAttribute(minAttr), Decimal::fromDouble(DateComponents::minimumTime())); 98 const Decimal maximum = parseToNumber(element()->fastGetAttribute(maxAttr), Decimal::fromDouble(DateComponents::maximumTime())); 99 const Decimal step = StepRange::parseStep(anyStepHandling, stepDescription, element()->fastGetAttribute(stepAttr)); 100 return StepRange(stepBase, minimum, maximum, step, stepDescription); 101} 102 103bool TimeInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const 104{ 105 ASSERT(out); 106 unsigned end; 107 return out->parseTime(characters, length, 0, end) && end == length; 108} 109 110bool TimeInputType::setMillisecondToDateComponents(double value, DateComponents* date) const 111{ 112 ASSERT(date); 113 return date->setMillisecondsSinceMidnight(value); 114} 115 116bool TimeInputType::isTimeField() const 117{ 118 return true; 119} 120 121} // namespace WebCore 122 123#endif 124