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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "config.h"
#if ENABLE(INPUT_TYPE_TIME_MULTIPLE_FIELDS)
#include "DateTimeNumericFieldElement.h"
#include "KeyboardEvent.h"
#include "LocalizedNumber.h"
#include <wtf/text/StringBuilder.h>
namespace WebCore {
static const DOMTimeStamp typeAheadTimeout = 1000;
static size_t displaySizeOfNumber(int value)
{
ASSERT(value >= 0);
if (!value)
return 1;
int numberOfDigits = 0;
while (value) {
value /= 10;
++numberOfDigits;
}
return numberOfDigits;
}
DateTimeNumericFieldElement::Range::Range(int minimum, int maximum)
: maximum(maximum)
, minimum(minimum)
{
ASSERT(minimum <= maximum);
}
int DateTimeNumericFieldElement::Range::clampValue(int value) const
{
return std::min(std::max(value, minimum), maximum);
}
DateTimeNumericFieldElement::DateTimeNumericFieldElement(Document* document, FieldOwner& fieldOwner, int minimum, int maximum)
: DateTimeFieldElement(document, fieldOwner)
, m_lastDigitCharTime(0)
, m_range(minimum, maximum)
, m_value(0)
, m_hasValue(false)
{
}
void DateTimeNumericFieldElement::didBlur()
{
m_lastDigitCharTime = 0;
DateTimeFieldElement::didBlur();
}
void DateTimeNumericFieldElement::handleKeyboardEvent(KeyboardEvent* keyboardEvent)
{
if (isReadOnly())
return;
if (keyboardEvent->type() != eventNames().keypressEvent)
return;
UChar charCode = static_cast<UChar>(keyboardEvent->charCode());
if (charCode < ' ')
return;
DOMTimeStamp delta = keyboardEvent->timeStamp() - m_lastDigitCharTime;
m_lastDigitCharTime = 0;
String number = convertFromLocalizedNumber(String(&charCode, 1));
const int digit = number[0] - '0';
if (digit < 0 || digit > 9)
return;
keyboardEvent->setDefaultHandled();
setValueAsInteger(m_hasValue && delta < typeAheadTimeout ? m_value * 10 + digit : digit, DispatchEvent);
if (m_value * 10 > m_range.maximum)
focusOnNextField();
else
m_lastDigitCharTime = keyboardEvent->timeStamp();
}
bool DateTimeNumericFieldElement::hasValue() const
{
return m_hasValue;
}
void DateTimeNumericFieldElement::setEmptyValue(const DateComponents& dateForReadOnlyField, EventBehavior eventBehavior)
{
m_lastDigitCharTime = 0;
if (isReadOnly()) {
setValueAsDate(dateForReadOnlyField);
return;
}
m_hasValue = false;
m_value = 0;
updateVisibleValue(eventBehavior);
}
void DateTimeNumericFieldElement::setValueAsInteger(int value, EventBehavior eventBehavior)
{
m_value = clampValue(value);
m_hasValue = true;
updateVisibleValue(eventBehavior);
m_lastDigitCharTime = 0;
}
void DateTimeNumericFieldElement::stepDown()
{
if (m_hasValue)
setValueAsInteger(m_value == m_range.minimum ? m_range.maximum : clampValue(m_value - 1), DispatchEvent);
else
setValueAsInteger(m_range.maximum, DispatchEvent);
}
void DateTimeNumericFieldElement::stepUp()
{
if (m_hasValue)
setValueAsInteger(m_value == m_range.maximum ? m_range.minimum : clampValue(m_value + 1), DispatchEvent);
else
setValueAsInteger(m_range.minimum, DispatchEvent);
}
String DateTimeNumericFieldElement::value() const
{
if (!m_hasValue)
return emptyString();
if (m_range.maximum > 999)
return convertToLocalizedNumber(String::number(m_value));
if (m_range.maximum > 99)
return convertToLocalizedNumber(String::format("%03d", m_value));
return convertToLocalizedNumber(String::format("%02d", m_value));
}
int DateTimeNumericFieldElement::valueAsInteger() const
{
return m_hasValue ? m_value : -1;
}
String DateTimeNumericFieldElement::visibleValue() const
{
if (m_hasValue)
return value();
StringBuilder builder;
for (int numberOfDashs = std::max(displaySizeOfNumber(m_range.maximum), displaySizeOfNumber(m_range.minimum)); numberOfDashs; --numberOfDashs)
builder.append('-');
return builder.toString();
}
} // namespace WebCore
#endif
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