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 #include "core/html/forms/TimeInputType.h"
33
34 #include "core/HTMLNames.h"
35 #include "core/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
46 namespace WebCore {
47
48 using namespace HTMLNames;
49
50 static const int timeDefaultStep = 60;
51 static const int timeDefaultStepBase = 0;
52 static const int timeStepScaleFactor = 1000;
53
TimeInputType(HTMLInputElement & element)54 TimeInputType::TimeInputType(HTMLInputElement& element)
55 : BaseTimeInputType(element)
56 {
57 }
58
create(HTMLInputElement & element)59 PassRefPtrWillBeRawPtr<InputType> TimeInputType::create(HTMLInputElement& element)
60 {
61 return adoptRefWillBeNoop(new TimeInputType(element));
62 }
63
countUsage()64 void TimeInputType::countUsage()
65 {
66 countUsageIfVisible(UseCounter::InputTypeTime);
67 }
68
formControlType() const69 const AtomicString& TimeInputType::formControlType() const
70 {
71 return InputTypeNames::time;
72 }
73
defaultValueForStepUp() const74 Decimal 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
createStepRange(AnyStepHandling anyStepHandling) const89 StepRange 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, timeDefaultStepBase, Decimal::fromDouble(DateComponents::minimumTime()), Decimal::fromDouble(DateComponents::maximumTime()), stepDescription);
94 }
95
parseToDateComponentsInternal(const String & string,DateComponents * out) const96 bool 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
setMillisecondToDateComponents(double value,DateComponents * date) const103 bool TimeInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
104 {
105 ASSERT(date);
106 return date->setMillisecondsSinceMidnight(value);
107 }
108
isTimeField() const109 bool TimeInputType::isTimeField() const
110 {
111 return true;
112 }
113
114 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
115
localizeValue(const String & proposedValue) const116 String 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
formatDateTimeFieldsState(const DateTimeFieldsState & dateTimeFieldsState) const128 String 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
setupLayoutParameters(DateTimeEditElement::LayoutParameters & layoutParameters,const DateComponents & date) const148 void 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
isValidFormat(bool hasYear,bool hasMonth,bool hasWeek,bool hasDay,bool hasAMPM,bool hasHour,bool hasMinute,bool hasSecond) const163 bool 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