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      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/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 
     43 namespace WebCore {
     44 
     45 using namespace HTMLNames;
     46 
     47 static const int weekDefaultStepBase = -259200000; // The first day of 1970-W01.
     48 static const int weekDefaultStep = 1;
     49 static const int weekStepScaleFactor = 604800000;
     50 
     51 PassRefPtrWillBeRawPtr<InputType> WeekInputType::create(HTMLInputElement& element)
     52 {
     53     return adoptRefWillBeNoop(new WeekInputType(element));
     54 }
     55 
     56 void WeekInputType::countUsage()
     57 {
     58     countUsageIfVisible(UseCounter::InputTypeWeek);
     59 }
     60 
     61 const AtomicString& WeekInputType::formControlType() const
     62 {
     63     return InputTypeNames::week;
     64 }
     65 
     66 StepRange 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 
     73 bool 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 
     80 bool WeekInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
     81 {
     82     ASSERT(date);
     83     return date->setMillisecondsSinceEpochForWeek(value);
     84 }
     85 
     86 bool WeekInputType::isWeekField() const
     87 {
     88     return true;
     89 }
     90 
     91 
     92 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
     93 String WeekInputType::formatDateTimeFieldsState(const DateTimeFieldsState& dateTimeFieldsState) const
     94 {
     95     if (!dateTimeFieldsState.hasYear() || !dateTimeFieldsState.hasWeekOfYear())
     96         return emptyString();
     97     return String::format("%04u-W%02u", dateTimeFieldsState.year(), dateTimeFieldsState.weekOfYear());
     98 }
     99 
    100 void WeekInputType::setupLayoutParameters(DateTimeEditElement::LayoutParameters& layoutParameters, const DateComponents&) const
    101 {
    102     layoutParameters.dateTimeFormat = locale().weekFormatInLDML();
    103     layoutParameters.fallbackDateTimeFormat = "yyyy-'W'ww";
    104     if (!parseToDateComponents(element().fastGetAttribute(minAttr), &layoutParameters.minimum))
    105         layoutParameters.minimum = DateComponents();
    106     if (!parseToDateComponents(element().fastGetAttribute(maxAttr), &layoutParameters.maximum))
    107         layoutParameters.maximum = DateComponents();
    108     layoutParameters.placeholderForYear = "----";
    109 }
    110 
    111 bool WeekInputType::isValidFormat(bool hasYear, bool hasMonth, bool hasWeek, bool hasDay, bool hasAMPM, bool hasHour, bool hasMinute, bool hasSecond) const
    112 {
    113     return hasYear && hasWeek;
    114 }
    115 #endif
    116 
    117 } // namespace WebCore
    118