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#include "core/html/forms/TimeInputType.h"
33
34#include "HTMLNames.h"
35#include "InputTypeNames.h"
36#include "core/html/HTMLInputElement.h"
37#include "core/html/forms/DateTimeFieldsState.h"
38#include "platform/DateComponents.h"
39#include "platform/text/PlatformLocale.h"
40#include "wtf/CurrentTime.h"
41#include "wtf/DateMath.h"
42#include "wtf/MathExtras.h"
43#include "wtf/PassOwnPtr.h"
44#include "wtf/text/WTFString.h"
45
46namespace WebCore {
47
48using namespace HTMLNames;
49
50static const int timeDefaultStep = 60;
51static const int timeDefaultStepBase = 0;
52static const int timeStepScaleFactor = 1000;
53
54TimeInputType::TimeInputType(HTMLInputElement& element)
55    : BaseTimeInputType(element)
56{
57}
58
59PassRefPtr<InputType> TimeInputType::create(HTMLInputElement& element)
60{
61    return adoptRef(new TimeInputType(element));
62}
63
64void TimeInputType::countUsage()
65{
66    countUsageIfVisible(UseCounter::InputTypeTime);
67}
68
69const AtomicString& TimeInputType::formControlType() const
70{
71    return InputTypeNames::time;
72}
73
74Decimal TimeInputType::defaultValueForStepUp() const
75{
76    double current = currentTimeMS();
77    double utcOffset = calculateUTCOffset();
78    double dstOffset = calculateDSTOffset(current, utcOffset);
79    int offset = static_cast<int>((utcOffset + dstOffset) / msPerMinute);
80    current += offset * msPerMinute;
81
82    DateComponents date;
83    date.setMillisecondsSinceMidnight(current);
84    double milliseconds = date.millisecondsSinceEpoch();
85    ASSERT(std::isfinite(milliseconds));
86    return Decimal::fromDouble(milliseconds);
87}
88
89StepRange TimeInputType::createStepRange(AnyStepHandling anyStepHandling) const
90{
91    DEFINE_STATIC_LOCAL(const StepRange::StepDescription, stepDescription, (timeDefaultStep, timeDefaultStepBase, timeStepScaleFactor, StepRange::ScaledStepValueShouldBeInteger));
92
93    return InputType::createStepRange(anyStepHandling, 0, Decimal::fromDouble(DateComponents::minimumTime()), Decimal::fromDouble(DateComponents::maximumTime()), stepDescription);
94}
95
96bool TimeInputType::parseToDateComponentsInternal(const String& string, DateComponents* out) const
97{
98    ASSERT(out);
99    unsigned end;
100    return out->parseTime(string, 0, end) && end == string.length();
101}
102
103bool TimeInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
104{
105    ASSERT(date);
106    return date->setMillisecondsSinceMidnight(value);
107}
108
109bool TimeInputType::isTimeField() const
110{
111    return true;
112}
113
114#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
115
116String TimeInputType::localizeValue(const String& proposedValue) const
117{
118    DateComponents date;
119    if (!parseToDateComponents(proposedValue, &date))
120        return proposedValue;
121
122    Locale::FormatType formatType = shouldHaveSecondField(date) ? Locale::FormatTypeMedium : Locale::FormatTypeShort;
123
124    String localized = element().locale().formatDateTime(date, formatType);
125    return localized.isEmpty() ? proposedValue : localized;
126}
127
128String TimeInputType::formatDateTimeFieldsState(const DateTimeFieldsState& dateTimeFieldsState) const
129{
130    if (!dateTimeFieldsState.hasHour() || !dateTimeFieldsState.hasMinute() || !dateTimeFieldsState.hasAMPM())
131        return emptyString();
132    if (dateTimeFieldsState.hasMillisecond() && dateTimeFieldsState.millisecond()) {
133        return String::format("%02u:%02u:%02u.%03u",
134            dateTimeFieldsState.hour23(),
135            dateTimeFieldsState.minute(),
136            dateTimeFieldsState.hasSecond() ? dateTimeFieldsState.second() : 0,
137            dateTimeFieldsState.millisecond());
138    }
139    if (dateTimeFieldsState.hasSecond() && dateTimeFieldsState.second()) {
140        return String::format("%02u:%02u:%02u",
141            dateTimeFieldsState.hour23(),
142            dateTimeFieldsState.minute(),
143            dateTimeFieldsState.second());
144    }
145    return String::format("%02u:%02u", dateTimeFieldsState.hour23(), dateTimeFieldsState.minute());
146}
147
148void TimeInputType::setupLayoutParameters(DateTimeEditElement::LayoutParameters& layoutParameters, const DateComponents& date) const
149{
150    if (shouldHaveSecondField(date)) {
151        layoutParameters.dateTimeFormat = layoutParameters.locale.timeFormat();
152        layoutParameters.fallbackDateTimeFormat = "HH:mm:ss";
153    } else {
154        layoutParameters.dateTimeFormat = layoutParameters.locale.shortTimeFormat();
155        layoutParameters.fallbackDateTimeFormat = "HH:mm";
156    }
157    if (!parseToDateComponents(element().fastGetAttribute(minAttr), &layoutParameters.minimum))
158        layoutParameters.minimum = DateComponents();
159    if (!parseToDateComponents(element().fastGetAttribute(maxAttr), &layoutParameters.maximum))
160        layoutParameters.maximum = DateComponents();
161}
162
163bool TimeInputType::isValidFormat(bool hasYear, bool hasMonth, bool hasWeek, bool hasDay, bool hasAMPM, bool hasHour, bool hasMinute, bool hasSecond) const
164{
165    return hasHour && hasMinute && hasAMPM;
166}
167#endif
168
169} // namespace WebCore
170