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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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "core/html/forms/WeekInputType.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/PassOwnPtr.h"
41#include "wtf/text/WTFString.h"
42
43namespace blink {
44
45using namespace HTMLNames;
46
47static const int weekDefaultStepBase = -259200000; // The first day of 1970-W01.
48static const int weekDefaultStep = 1;
49static const int weekStepScaleFactor = 604800000;
50
51PassRefPtrWillBeRawPtr<InputType> WeekInputType::create(HTMLInputElement& element)
52{
53    return adoptRefWillBeNoop(new WeekInputType(element));
54}
55
56void WeekInputType::countUsage()
57{
58    countUsageIfVisible(UseCounter::InputTypeWeek);
59}
60
61const AtomicString& WeekInputType::formControlType() const
62{
63    return InputTypeNames::week;
64}
65
66StepRange WeekInputType::createStepRange(AnyStepHandling anyStepHandling) const
67{
68    DEFINE_STATIC_LOCAL(const StepRange::StepDescription, stepDescription, (weekDefaultStep, weekDefaultStepBase, weekStepScaleFactor, StepRange::ParsedStepValueShouldBeInteger));
69
70    return InputType::createStepRange(anyStepHandling, weekDefaultStepBase, Decimal::fromDouble(DateComponents::minimumWeek()), Decimal::fromDouble(DateComponents::maximumWeek()), stepDescription);
71}
72
73bool WeekInputType::parseToDateComponentsInternal(const String& string, DateComponents* out) const
74{
75    ASSERT(out);
76    unsigned end;
77    return out->parseWeek(string, 0, end) && end == string.length();
78}
79
80bool WeekInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
81{
82    ASSERT(date);
83    return date->setMillisecondsSinceEpochForWeek(value);
84}
85
86
87#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
88String WeekInputType::formatDateTimeFieldsState(const DateTimeFieldsState& dateTimeFieldsState) const
89{
90    if (!dateTimeFieldsState.hasYear() || !dateTimeFieldsState.hasWeekOfYear())
91        return emptyString();
92    return String::format("%04u-W%02u", dateTimeFieldsState.year(), dateTimeFieldsState.weekOfYear());
93}
94
95void WeekInputType::setupLayoutParameters(DateTimeEditElement::LayoutParameters& layoutParameters, const DateComponents&) const
96{
97    layoutParameters.dateTimeFormat = locale().weekFormatInLDML();
98    layoutParameters.fallbackDateTimeFormat = "yyyy-'W'ww";
99    if (!parseToDateComponents(element().fastGetAttribute(minAttr), &layoutParameters.minimum))
100        layoutParameters.minimum = DateComponents();
101    if (!parseToDateComponents(element().fastGetAttribute(maxAttr), &layoutParameters.maximum))
102        layoutParameters.maximum = DateComponents();
103    layoutParameters.placeholderForYear = "----";
104}
105
106bool WeekInputType::isValidFormat(bool hasYear, bool hasMonth, bool hasWeek, bool hasDay, bool hasAMPM, bool hasHour, bool hasMinute, bool hasSecond) const
107{
108    return hasYear && hasWeek;
109}
110#endif
111
112} // namespace blink
113