| 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/DateMath.h> |
| 39 | #include <wtf/MathExtras.h> |
| 40 | |
| 41 | namespace WebCore { |
| 42 | |
| 43 | using namespace HTMLNames; |
| 44 | |
| 45 | static const int timeDefaultStep = 60; |
| 46 | static const int timeDefaultStepBase = 0; |
| 47 | static const int timeStepScaleFactor = 1000; |
| 48 | static const StepRange::StepDescription timeStepDescription { timeDefaultStep, timeDefaultStepBase, timeStepScaleFactor, StepRange::ScaledStepValueShouldBeInteger }; |
| 49 | |
| 50 | TimeInputType::TimeInputType(HTMLInputElement& element) |
| 51 | : BaseChooserOnlyDateAndTimeInputType(element) |
| 52 | { |
| 53 | } |
| 54 | |
| 55 | const AtomicString& TimeInputType::formControlType() const |
| 56 | { |
| 57 | return InputTypeNames::time(); |
| 58 | } |
| 59 | |
| 60 | DateComponents::Type TimeInputType::dateType() const |
| 61 | { |
| 62 | return DateComponents::Time; |
| 63 | } |
| 64 | |
| 65 | Decimal TimeInputType::defaultValueForStepUp() const |
| 66 | { |
| 67 | double current = WallTime::now().secondsSinceEpoch().milliseconds(); |
| 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 | |
| 78 | StepRange TimeInputType::createStepRange(AnyStepHandling anyStepHandling) const |
| 79 | { |
| 80 | ASSERT(element()); |
| 81 | const Decimal stepBase = parseToNumber(element()->attributeWithoutSynchronization(minAttr), 0); |
| 82 | const Decimal minimum = parseToNumber(element()->attributeWithoutSynchronization(minAttr), Decimal::fromDouble(DateComponents::minimumTime())); |
| 83 | const Decimal maximum = parseToNumber(element()->attributeWithoutSynchronization(maxAttr), Decimal::fromDouble(DateComponents::maximumTime())); |
| 84 | const Decimal step = StepRange::parseStep(anyStepHandling, timeStepDescription, element()->attributeWithoutSynchronization(stepAttr)); |
| 85 | return StepRange(stepBase, RangeLimitations::Valid, minimum, maximum, step, timeStepDescription); |
| 86 | } |
| 87 | |
| 88 | bool TimeInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const |
| 89 | { |
| 90 | ASSERT(out); |
| 91 | unsigned end; |
| 92 | return out->parseTime(characters, length, 0, end) && end == length; |
| 93 | } |
| 94 | |
| 95 | bool TimeInputType::setMillisecondToDateComponents(double value, DateComponents* date) const |
| 96 | { |
| 97 | ASSERT(date); |
| 98 | return date->setMillisecondsSinceMidnight(value); |
| 99 | } |
| 100 | |
| 101 | bool TimeInputType::isTimeField() const |
| 102 | { |
| 103 | return true; |
| 104 | } |
| 105 | |
| 106 | } // namespace WebCore |
| 107 | |
| 108 | #endif |
| 109 | |