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_WEEK)
33#include "WeekInputType.h"
34
35#include "DateComponents.h"
36#include "HTMLInputElement.h"
37#include "HTMLNames.h"
38#include "InputTypeNames.h"
39#include <wtf/PassOwnPtr.h>
40
41namespace WebCore {
42
43using namespace HTMLNames;
44
45static const int weekDefaultStepBase = -259200000; // The first day of 1970-W01.
46static const int weekDefaultStep = 1;
47static const int weekStepScaleFactor = 604800000;
48
49PassOwnPtr<InputType> WeekInputType::create(HTMLInputElement* element)
50{
51    return adoptPtr(new WeekInputType(element));
52}
53
54void WeekInputType::attach()
55{
56    observeFeatureIfVisible(FeatureObserver::InputTypeWeek);
57}
58
59const AtomicString& WeekInputType::formControlType() const
60{
61    return InputTypeNames::week();
62}
63
64DateComponents::Type WeekInputType::dateType() const
65{
66    return DateComponents::Week;
67}
68
69StepRange WeekInputType::createStepRange(AnyStepHandling anyStepHandling) const
70{
71    DEFINE_STATIC_LOCAL(const StepRange::StepDescription, stepDescription, (weekDefaultStep, weekDefaultStepBase, weekStepScaleFactor, StepRange::ParsedStepValueShouldBeInteger));
72
73    const Decimal stepBase = parseToNumber(element()->fastGetAttribute(minAttr), weekDefaultStepBase);
74    const Decimal minimum = parseToNumber(element()->fastGetAttribute(minAttr), Decimal::fromDouble(DateComponents::minimumWeek()));
75    const Decimal maximum = parseToNumber(element()->fastGetAttribute(maxAttr), Decimal::fromDouble(DateComponents::maximumWeek()));
76    const Decimal step = StepRange::parseStep(anyStepHandling, stepDescription, element()->fastGetAttribute(stepAttr));
77    return StepRange(stepBase, minimum, maximum, step, stepDescription);
78}
79
80bool WeekInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const
81{
82    ASSERT(out);
83    unsigned end;
84    return out->parseWeek(characters, length, 0, end) && end == length;
85}
86
87bool WeekInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
88{
89    ASSERT(date);
90    return date->setMillisecondsSinceEpochForWeek(value);
91}
92
93bool WeekInputType::isWeekField() const
94{
95    return true;
96}
97
98} // namespace WebCore
99
100#endif
101