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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 "WeekInputType.h"
     33 
     34 #include "DateComponents.h"
     35 #include "HTMLInputElement.h"
     36 #include "HTMLNames.h"
     37 #include <wtf/PassOwnPtr.h>
     38 
     39 namespace WebCore {
     40 
     41 using namespace HTMLNames;
     42 
     43 static const double weekDefaultStepBase = -259200000.0; // The first day of 1970-W01.
     44 static const double weekDefaultStep = 1.0;
     45 static const double weekStepScaleFactor = 604800000.0;
     46 
     47 PassOwnPtr<InputType> WeekInputType::create(HTMLInputElement* element)
     48 {
     49     return adoptPtr(new WeekInputType(element));
     50 }
     51 
     52 const AtomicString& WeekInputType::formControlType() const
     53 {
     54     return InputTypeNames::week();
     55 }
     56 
     57 double WeekInputType::minimum() const
     58 {
     59     return parseToDouble(element()->fastGetAttribute(minAttr), DateComponents::minimumWeek());
     60 }
     61 
     62 double WeekInputType::maximum() const
     63 {
     64     return parseToDouble(element()->fastGetAttribute(maxAttr), DateComponents::maximumWeek());
     65 }
     66 
     67 double WeekInputType::stepBase() const
     68 {
     69     return parseToDouble(element()->fastGetAttribute(minAttr), weekDefaultStepBase);
     70 }
     71 
     72 double WeekInputType::defaultStep() const
     73 {
     74     return weekDefaultStep;
     75 }
     76 
     77 double WeekInputType::stepScaleFactor() const
     78 {
     79     return weekStepScaleFactor;
     80 }
     81 
     82 bool WeekInputType::parsedStepValueShouldBeInteger() const
     83 {
     84     return true;
     85 }
     86 
     87 bool WeekInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const
     88 {
     89     ASSERT(out);
     90     unsigned end;
     91     return out->parseWeek(characters, length, 0, end) && end == length;
     92 }
     93 
     94 bool WeekInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
     95 {
     96     ASSERT(date);
     97     return date->setMillisecondsSinceEpochForWeek(value);
     98 }
     99 
    100 } // namespace WebCore
    101