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