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
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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