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33 #include "core/html/forms/NumberInputType.h"
36 #include "HTMLNames.h"
37 #include "bindings/v8/ExceptionState.h"
38 #include "core/dom/ExceptionCode.h"
39 #include "core/events/KeyboardEvent.h"
40 #include "core/html/HTMLInputElement.h"
41 #include "core/html/forms/InputTypeNames.h"
42 #include "core/html/parser/HTMLParserIdioms.h"
43 #include "core/rendering/RenderTextControl.h"
44 #include "platform/text/PlatformLocale.h"
45 #include "wtf/MathExtras.h"
46 #include "wtf/PassOwnPtr.h"
50 using WebKit::WebLocalizedString;
51 using namespace HTMLNames;
54 static const int numberDefaultStep = 1;
55 static const int numberDefaultStepBase = 0;
56 static const int numberStepScaleFactor = 1;
58 struct RealNumberRenderSize {
59 unsigned sizeBeforeDecimalPoint;
60 unsigned sizeAfteDecimalPoint;
62 RealNumberRenderSize(unsigned before, unsigned after)
63 : sizeBeforeDecimalPoint(before)
64 , sizeAfteDecimalPoint(after)
68 RealNumberRenderSize max(const RealNumberRenderSize& other) const
70 return RealNumberRenderSize(
71 std::max(sizeBeforeDecimalPoint, other.sizeBeforeDecimalPoint),
72 std::max(sizeAfteDecimalPoint, other.sizeAfteDecimalPoint));
76 static RealNumberRenderSize calculateRenderSize(const Decimal& value)
78 ASSERT(value.isFinite());
79 const unsigned sizeOfDigits = String::number(value.value().coefficient()).length();
80 const unsigned sizeOfSign = value.isNegative() ? 1 : 0;
81 const int exponent = value.exponent();
83 return RealNumberRenderSize(sizeOfSign + sizeOfDigits, 0);
85 const int sizeBeforeDecimalPoint = exponent + sizeOfDigits;
86 if (sizeBeforeDecimalPoint > 0) {
87 // In case of "123.456"
88 return RealNumberRenderSize(sizeOfSign + sizeBeforeDecimalPoint, sizeOfDigits - sizeBeforeDecimalPoint);
91 // In case of "0.00012345"
92 const unsigned sizeOfZero = 1;
93 const unsigned numberOfZeroAfterDecimalPoint = -sizeBeforeDecimalPoint;
94 return RealNumberRenderSize(sizeOfSign + sizeOfZero , numberOfZeroAfterDecimalPoint + sizeOfDigits);
97 PassRefPtr<InputType> NumberInputType::create(HTMLInputElement& element)
99 return adoptRef(new NumberInputType(element));
102 void NumberInputType::countUsage()
104 countUsageIfVisible(UseCounter::InputTypeNumber);
107 const AtomicString& NumberInputType::formControlType() const
109 return InputTypeNames::number();
112 void NumberInputType::setValue(const String& sanitizedValue, bool valueChanged, TextFieldEventBehavior eventBehavior)
114 if (!valueChanged && sanitizedValue.isEmpty() && !element().innerTextValue().isEmpty())
115 updateInnerTextValue();
116 TextFieldInputType::setValue(sanitizedValue, valueChanged, eventBehavior);
119 double NumberInputType::valueAsDouble() const
121 return parseToDoubleForNumberType(element().value());
124 void NumberInputType::setValueAsDouble(double newValue, TextFieldEventBehavior eventBehavior, ExceptionState& es) const
126 // FIXME: We should use numeric_limits<double>::max for number input type.
127 const double floatMax = numeric_limits<float>::max();
128 if (newValue < -floatMax) {
129 es.throwUninformativeAndGenericDOMException(InvalidStateError);
132 if (newValue > floatMax) {
133 es.throwUninformativeAndGenericDOMException(InvalidStateError);
136 element().setValue(serializeForNumberType(newValue), eventBehavior);
139 void NumberInputType::setValueAsDecimal(const Decimal& newValue, TextFieldEventBehavior eventBehavior, ExceptionState& es) const
141 // FIXME: We should use numeric_limits<double>::max for number input type.
142 const Decimal floatMax = Decimal::fromDouble(numeric_limits<float>::max());
143 if (newValue < -floatMax) {
144 es.throwUninformativeAndGenericDOMException(InvalidStateError);
147 if (newValue > floatMax) {
148 es.throwUninformativeAndGenericDOMException(InvalidStateError);
151 element().setValue(serializeForNumberType(newValue), eventBehavior);
154 bool NumberInputType::typeMismatchFor(const String& value) const
156 return !value.isEmpty() && !std::isfinite(parseToDoubleForNumberType(value));
159 bool NumberInputType::typeMismatch() const
161 ASSERT(!typeMismatchFor(element().value()));
165 StepRange NumberInputType::createStepRange(AnyStepHandling anyStepHandling) const
167 DEFINE_STATIC_LOCAL(const StepRange::StepDescription, stepDescription, (numberDefaultStep, numberDefaultStepBase, numberStepScaleFactor));
168 const Decimal stepBase = parseToDecimalForNumberType(element().fastGetAttribute(minAttr), numberDefaultStepBase);
169 // FIXME: We should use numeric_limits<double>::max for number input type.
170 const Decimal floatMax = Decimal::fromDouble(numeric_limits<float>::max());
171 const Decimal minimum = parseToNumber(element().fastGetAttribute(minAttr), -floatMax);
172 const Decimal maximum = parseToNumber(element().fastGetAttribute(maxAttr), floatMax);
173 const Decimal step = StepRange::parseStep(anyStepHandling, stepDescription, element().fastGetAttribute(stepAttr));
174 return StepRange(stepBase, minimum, maximum, step, stepDescription);
177 bool NumberInputType::sizeShouldIncludeDecoration(int defaultSize, int& preferredSize) const
179 preferredSize = defaultSize;
181 const String stepString = element().fastGetAttribute(stepAttr);
182 if (equalIgnoringCase(stepString, "any"))
185 const Decimal minimum = parseToDecimalForNumberType(element().fastGetAttribute(minAttr));
186 if (!minimum.isFinite())
189 const Decimal maximum = parseToDecimalForNumberType(element().fastGetAttribute(maxAttr));
190 if (!maximum.isFinite())
193 const Decimal step = parseToDecimalForNumberType(stepString, 1);
194 ASSERT(step.isFinite());
196 RealNumberRenderSize size = calculateRenderSize(minimum).max(calculateRenderSize(maximum).max(calculateRenderSize(step)));
198 preferredSize = size.sizeBeforeDecimalPoint + size.sizeAfteDecimalPoint + (size.sizeAfteDecimalPoint ? 1 : 0);
203 bool NumberInputType::isSteppable() const
208 void NumberInputType::handleKeydownEvent(KeyboardEvent* event)
210 handleKeydownEventForSpinButton(event);
211 if (!event->defaultHandled())
212 TextFieldInputType::handleKeydownEvent(event);
215 Decimal NumberInputType::parseToNumber(const String& src, const Decimal& defaultValue) const
217 return parseToDecimalForNumberType(src, defaultValue);
220 String NumberInputType::serialize(const Decimal& value) const
222 if (!value.isFinite())
224 return serializeForNumberType(value);
227 static bool isE(UChar ch)
229 return ch == 'e' || ch == 'E';
232 String NumberInputType::localizeValue(const String& proposedValue) const
234 if (proposedValue.isEmpty())
235 return proposedValue;
236 // We don't localize scientific notations.
237 if (proposedValue.find(isE) != kNotFound)
238 return proposedValue;
239 return element().locale().convertToLocalizedNumber(proposedValue);
242 String NumberInputType::visibleValue() const
244 return localizeValue(element().value());
247 String NumberInputType::convertFromVisibleValue(const String& visibleValue) const
249 if (visibleValue.isEmpty())
251 // We don't localize scientific notations.
252 if (visibleValue.find(isE) != kNotFound)
254 return element().locale().convertFromLocalizedNumber(visibleValue);
257 String NumberInputType::sanitizeValue(const String& proposedValue) const
259 if (proposedValue.isEmpty())
260 return proposedValue;
261 return std::isfinite(parseToDoubleForNumberType(proposedValue)) ? proposedValue : emptyString();
264 bool NumberInputType::hasBadInput() const
266 String standardValue = convertFromVisibleValue(element().innerTextValue());
267 return !standardValue.isEmpty() && !std::isfinite(parseToDoubleForNumberType(standardValue));
270 String NumberInputType::badInputText() const
272 return locale().queryString(WebLocalizedString::ValidationBadInputForNumber);
275 String NumberInputType::rangeOverflowText(const Decimal& maximum) const
277 return locale().queryString(WebLocalizedString::ValidationRangeOverflow, localizeValue(serialize(maximum)));
280 String NumberInputType::rangeUnderflowText(const Decimal& minimum) const
282 return locale().queryString(WebLocalizedString::ValidationRangeUnderflow, localizeValue(serialize(minimum)));
285 bool NumberInputType::shouldRespectSpeechAttribute()
290 bool NumberInputType::supportsPlaceholder() const
295 bool NumberInputType::isNumberField() const
300 void NumberInputType::minOrMaxAttributeChanged()
302 InputType::minOrMaxAttributeChanged();
304 if (element().renderer())
305 element().renderer()->setNeedsLayoutAndPrefWidthsRecalc();
308 void NumberInputType::stepAttributeChanged()
310 InputType::stepAttributeChanged();
312 if (element().renderer())
313 element().renderer()->setNeedsLayoutAndPrefWidthsRecalc();
316 } // namespace WebCore