DateInputType.cpp   [plain text]

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#include "config.h"
#include "DateInputType.h"

#include "CalendarPickerElement.h"
#include "DateComponents.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "KeyboardEvent.h"
#include "LocalizedDate.h"
#include <wtf/PassOwnPtr.h>

#if ENABLE(INPUT_TYPE_DATE)

namespace WebCore {

using namespace HTMLNames;

static const double dateDefaultStep = 1.0;
static const double dateStepScaleFactor = 86400000.0;

inline DateInputType::DateInputType(HTMLInputElement* element)
    : BaseDateAndTimeInputType(element)
{
}

PassOwnPtr<InputType> DateInputType::create(HTMLInputElement* element)
{
    return adoptPtr(new DateInputType(element));
}

const AtomicString& DateInputType::formControlType() const
{
    return InputTypeNames::date();
}

DateComponents::Type DateInputType::dateType() const
{
    return DateComponents::Date;
}

double DateInputType::minimum() const
{
    return parseToDouble(element()->fastGetAttribute(minAttr), DateComponents::minimumDate());
}

double DateInputType::maximum() const
{
    return parseToDouble(element()->fastGetAttribute(maxAttr), DateComponents::maximumDate());
}

double DateInputType::defaultStep() const
{
    return dateDefaultStep;
}

double DateInputType::stepScaleFactor() const
{
    return dateStepScaleFactor;
}

bool DateInputType::parsedStepValueShouldBeInteger() const
{
    return true;
}

bool DateInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const
{
    ASSERT(out);
    unsigned end;
    return out->parseDate(characters, length, 0, end) && end == length;
}

bool DateInputType::setMillisecondToDateComponents(double value, DateComponents* date) const
{
    ASSERT(date);
    return date->setMillisecondsSinceEpochForDate(value);
}

#if ENABLE(CALENDAR_PICKER)
void DateInputType::createShadowSubtree()
{
    BaseDateAndTimeInputType::createShadowSubtree();
    m_pickerElement = CalendarPickerElement::create(element()->document());
    containerElement()->insertBefore(m_pickerElement.get(), innerBlockElement()->nextSibling(), ASSERT_NO_EXCEPTION);
}

void DateInputType::destroyShadowSubtree()
{
    TextFieldInputType::destroyShadowSubtree();
    m_pickerElement.clear();
}

bool DateInputType::needsContainer() const
{
    return true;
}

bool DateInputType::shouldHaveSpinButton() const
{
    return false;
}

void DateInputType::handleKeydownEvent(KeyboardEvent* event)
{
    if (element()->disabled() || element()->readOnly())
        return;
    if (event->keyIdentifier() == "Down") {
        if (m_pickerElement)
            m_pickerElement->openPopup();
        event->setDefaultHandled();
        return;
    }
    BaseDateAndTimeInputType::handleKeydownEvent(event);
}

void DateInputType::handleBlurEvent()
{
    if (m_pickerElement)
        m_pickerElement->closePopup();

    // Reset the renderer value, which might be unmatched with the element value.
    element()->setFormControlValueMatchesRenderer(false);
    // We need to reset the renderer value explicitly because an unacceptable
    // renderer value should be purged before style calculation.
    element()->updateInnerTextValue();
}

bool DateInputType::supportsPlaceholder() const
{
    return true;
}

bool DateInputType::usesFixedPlaceholder() const
{
    return true;
}

String DateInputType::fixedPlaceholder()
{
    return localizedDateFormatText();
}
#endif // ENABLE(CALENDAR_PICKER)

} // namespace WebCore
#endif