1/* 2 * Copyright (C) 2010 Google Inc. 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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/MonthInputType.h" 33 34#include "HTMLNames.h" 35#include "core/html/HTMLInputElement.h" 36#include "core/html/InputTypeNames.h" 37#include "core/platform/DateComponents.h" 38#include "wtf/CurrentTime.h" 39#include "wtf/DateMath.h" 40#include "wtf/MathExtras.h" 41#include "wtf/PassOwnPtr.h" 42 43#if ENABLE(INPUT_MULTIPLE_FIELDS_UI) 44#include "core/html/DateTimeFieldsState.h" 45#include "core/platform/text/PlatformLocale.h" 46#include "wtf/text/WTFString.h" 47#endif 48 49namespace WebCore { 50 51using namespace HTMLNames; 52 53static const int monthDefaultStep = 1; 54static const int monthDefaultStepBase = 0; 55static const int monthStepScaleFactor = 1; 56 57PassOwnPtr<InputType> MonthInputType::create(HTMLInputElement* element) 58{ 59 return adoptPtr(new MonthInputType(element)); 60} 61 62void MonthInputType::attach() 63{ 64 observeFeatureIfVisible(UseCounter::InputTypeMonth); 65} 66 67const AtomicString& MonthInputType::formControlType() const 68{ 69 return InputTypeNames::month(); 70} 71 72DateComponents::Type MonthInputType::dateType() const 73{ 74 return DateComponents::Month; 75} 76 77double MonthInputType::valueAsDate() const 78{ 79 DateComponents date; 80 if (!parseToDateComponents(element()->value(), &date)) 81 return DateComponents::invalidMilliseconds(); 82 double msec = date.millisecondsSinceEpoch(); 83 ASSERT(std::isfinite(msec)); 84 return msec; 85} 86 87String MonthInputType::serializeWithMilliseconds(double value) const 88{ 89 DateComponents date; 90 if (!date.setMillisecondsSinceEpochForMonth(value)) 91 return String(); 92 return serializeWithComponents(date); 93} 94 95Decimal MonthInputType::defaultValueForStepUp() const 96{ 97 double current = currentTimeMS(); 98 double utcOffset = calculateUTCOffset(); 99 double dstOffset = calculateDSTOffset(current, utcOffset); 100 int offset = static_cast<int>((utcOffset + dstOffset) / msPerMinute); 101 current += offset * msPerMinute; 102 103 DateComponents date; 104 date.setMillisecondsSinceEpochForMonth(current); 105 double months = date.monthsSinceEpoch(); 106 ASSERT(std::isfinite(months)); 107 return Decimal::fromDouble(months); 108} 109 110StepRange MonthInputType::createStepRange(AnyStepHandling anyStepHandling) const 111{ 112 DEFINE_STATIC_LOCAL(const StepRange::StepDescription, stepDescription, (monthDefaultStep, monthDefaultStepBase, monthStepScaleFactor, StepRange::ParsedStepValueShouldBeInteger)); 113 114 const Decimal stepBase = parseToNumber(element()->fastGetAttribute(minAttr), Decimal::fromDouble(monthDefaultStepBase)); 115 const Decimal minimum = parseToNumber(element()->fastGetAttribute(minAttr), Decimal::fromDouble(DateComponents::minimumMonth())); 116 const Decimal maximum = parseToNumber(element()->fastGetAttribute(maxAttr), Decimal::fromDouble(DateComponents::maximumMonth())); 117 const Decimal step = StepRange::parseStep(anyStepHandling, stepDescription, element()->fastGetAttribute(stepAttr)); 118 return StepRange(stepBase, minimum, maximum, step, stepDescription); 119} 120 121Decimal MonthInputType::parseToNumber(const String& src, const Decimal& defaultValue) const 122{ 123 DateComponents date; 124 if (!parseToDateComponents(src, &date)) 125 return defaultValue; 126 double months = date.monthsSinceEpoch(); 127 ASSERT(std::isfinite(months)); 128 return Decimal::fromDouble(months); 129} 130 131bool MonthInputType::parseToDateComponentsInternal(const String& string, DateComponents* out) const 132{ 133 ASSERT(out); 134 unsigned end; 135 return out->parseMonth(string, 0, end) && end == string.length(); 136} 137 138bool MonthInputType::setMillisecondToDateComponents(double value, DateComponents* date) const 139{ 140 ASSERT(date); 141 return date->setMonthsSinceEpoch(value); 142} 143 144bool MonthInputType::isMonthField() const 145{ 146 return true; 147} 148 149#if ENABLE(INPUT_MULTIPLE_FIELDS_UI) 150String MonthInputType::formatDateTimeFieldsState(const DateTimeFieldsState& dateTimeFieldsState) const 151{ 152 if (!dateTimeFieldsState.hasMonth() || !dateTimeFieldsState.hasYear()) 153 return emptyString(); 154 return String::format("%04u-%02u", dateTimeFieldsState.year(), dateTimeFieldsState.month()); 155} 156 157void MonthInputType::setupLayoutParameters(DateTimeEditElement::LayoutParameters& layoutParameters, const DateComponents& date) const 158{ 159 layoutParameters.dateTimeFormat = layoutParameters.locale.monthFormat(); 160 layoutParameters.fallbackDateTimeFormat = "yyyy-MM"; 161 if (!parseToDateComponents(element()->fastGetAttribute(minAttr), &layoutParameters.minimum)) 162 layoutParameters.minimum = DateComponents(); 163 if (!parseToDateComponents(element()->fastGetAttribute(maxAttr), &layoutParameters.maximum)) 164 layoutParameters.maximum = DateComponents(); 165 layoutParameters.placeholderForMonth = "--"; 166 layoutParameters.placeholderForYear = "----"; 167} 168 169bool MonthInputType::isValidFormat(bool hasYear, bool hasMonth, bool hasWeek, bool hasDay, bool hasAMPM, bool hasHour, bool hasMinute, bool hasSecond) const 170{ 171 return hasYear && hasMonth; 172} 173#endif 174} // namespace WebCore 175