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36 #include "core/html/HTMLTextFormControlElement.h"
37 #include "core/html/forms/ColorChooserClient.h"
38 #include "core/html/forms/InputTypeView.h"
39 #include "core/html/forms/StepRange.h"
40 #include "core/frame/UseCounter.h"
53 // An InputType object represents the type-specific part of an HTMLInputElement.
54 // Do not expose instances of InputType and classes derived from it to classes
55 // other than HTMLInputElement.
56 // FIXME: InputType should not inherit InputTypeView. It's conceptually wrong.
57 class InputType : public InputTypeView {
58 WTF_MAKE_NONCOPYABLE(InputType);
59 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
62 static PassRefPtrWillBeRawPtr<InputType> create(HTMLInputElement&, const AtomicString&);
63 static PassRefPtrWillBeRawPtr<InputType> createText(HTMLInputElement&);
64 static const AtomicString& normalizeTypeName(const AtomicString&);
67 virtual const AtomicString& formControlType() const = 0;
69 // Type query functions
71 // Any time we are using one of these functions it's best to refactor
72 // to add a virtual function to allow the input type object to do the
73 // work instead, or at least make a query function that asks a higher
74 // level question. These functions make the HTMLInputElement class
75 // inflexible because it's harder to add new input types if there is
76 // scattered code with special cases for various types.
78 virtual bool isInteractiveContent() const;
79 virtual bool isTextButton() const;
80 virtual bool isTextField() const;
82 // Form value functions
84 virtual bool shouldSaveAndRestoreFormControlState() const;
85 virtual FormControlState saveFormControlState() const;
86 virtual void restoreFormControlState(const FormControlState&);
87 virtual bool isFormDataAppendable() const;
88 virtual bool appendFormData(FormDataList&, bool multipart) const;
89 virtual String resultForDialogSubmit() const;
91 // DOM property functions
93 virtual bool getTypeSpecificValue(String&); // Checked first, before internal storage or the value attribute.
94 virtual String fallbackValue() const; // Checked last, if both internal storage and value attribute are missing.
95 virtual String defaultValue() const; // Checked after even fallbackValue, only when the valueWithDefault function is called.
96 virtual double valueAsDate() const;
97 virtual void setValueAsDate(double, ExceptionState&) const;
98 virtual double valueAsDouble() const;
99 virtual void setValueAsDouble(double, TextFieldEventBehavior, ExceptionState&) const;
100 virtual void setValueAsDecimal(const Decimal&, TextFieldEventBehavior, ExceptionState&) const;
102 // Validation functions
103 virtual String validationMessage() const;
104 virtual bool supportsValidation() const;
105 virtual bool typeMismatchFor(const String&) const;
106 // Type check for the current input value. We do nothing for some types
107 // though typeMismatchFor() does something for them because of value
109 virtual bool typeMismatch() const;
110 virtual bool supportsRequired() const;
111 virtual bool valueMissing(const String&) const;
112 virtual bool hasBadInput() const;
113 virtual bool patternMismatch(const String&) const;
114 virtual bool tooLong(const String&, HTMLTextFormControlElement::NeedsToCheckDirtyFlag) const;
115 bool rangeUnderflow(const String&) const;
116 bool rangeOverflow(const String&) const;
117 bool isInRange(const String&) const;
118 bool isOutOfRange(const String&) const;
119 virtual Decimal defaultValueForStepUp() const;
120 double minimum() const;
121 double maximum() const;
122 bool stepMismatch(const String&) const;
123 virtual bool getAllowedValueStep(Decimal*) const;
124 virtual StepRange createStepRange(AnyStepHandling) const;
125 virtual void stepUp(int, ExceptionState&);
126 virtual void stepUpFromRenderer(int);
127 virtual String badInputText() const;
128 virtual String rangeOverflowText(const Decimal& maximum) const;
129 virtual String rangeUnderflowText(const Decimal& minimum) const;
130 virtual String typeMismatchText() const;
131 virtual String valueMissingText() const;
132 virtual bool canSetStringValue() const;
133 virtual String localizeValue(const String&) const;
134 virtual String visibleValue() const;
135 // Returing the null string means "use the default value."
136 // This function must be called only by HTMLInputElement::sanitizeValue().
137 virtual String sanitizeValue(const String&) const;
138 virtual void warnIfValueIsInvalid(const String&) const;
139 void warnIfValueIsInvalidAndElementIsVisible(const String&) const;
141 virtual bool isKeyboardFocusable() const;
142 virtual bool shouldShowFocusRingOnMouseFocus() const;
143 virtual void enableSecureTextInput();
144 virtual void disableSecureTextInput();
145 virtual void accessKeyAction(bool sendMouseEvents);
146 virtual bool canBeSuccessfulSubmitButton();
148 // Miscellaneous functions
150 virtual bool rendererIsNeeded();
151 virtual void countUsage();
152 virtual void sanitizeValueInResponseToMinOrMaxAttributeChange();
153 virtual bool shouldRespectAlignAttribute();
154 virtual FileList* files();
155 virtual void setFiles(PassRefPtrWillBeRawPtr<FileList>);
156 // Should return true if the given DragData has more than one dropped files.
157 virtual bool receiveDroppedFiles(const DragData*);
158 virtual String droppedFileSystemId();
159 // Should return true if the corresponding renderer for a type can display a suggested value.
160 virtual bool canSetSuggestedValue();
161 virtual bool shouldSendChangeEventAfterCheckedChanged();
162 virtual bool canSetValue(const String&);
163 virtual bool storesValueSeparateFromAttribute();
164 virtual void setValue(const String&, bool valueChanged, TextFieldEventBehavior);
165 virtual bool shouldRespectListAttribute();
166 virtual bool shouldRespectSpeechAttribute();
167 virtual bool isEnumeratable();
168 virtual bool isCheckable();
169 virtual bool isSteppable() const;
170 virtual bool shouldRespectHeightAndWidthAttributes();
171 virtual int maxLength() const;
172 virtual bool supportsPlaceholder() const;
173 virtual bool supportsReadOnly() const;
174 virtual String defaultToolTip() const;
175 virtual Decimal findClosestTickMarkValue(const Decimal&);
176 virtual void handleDOMActivateEvent(Event*);
177 virtual bool hasLegalLinkAttribute(const QualifiedName&) const;
178 virtual const QualifiedName& subResourceAttributeName() const;
180 // Parses the specified string for the type, and return
181 // the Decimal value for the parsing result if the parsing
182 // succeeds; Returns defaultValue otherwise. This function can
183 // return NaN or Infinity only if defaultValue is NaN or Infinity.
184 virtual Decimal parseToNumber(const String&, const Decimal& defaultValue) const;
186 // Create a string representation of the specified Decimal value for the
187 // input type. If NaN or Infinity is specified, this returns an empty
188 // string. This should not be called for types without valueAsNumber.
189 virtual String serialize(const Decimal&) const;
191 virtual bool shouldAppearIndeterminate() const;
193 virtual bool supportsInputModeAttribute() const;
195 virtual bool supportsSelectionAPI() const;
197 // Gets width and height of the input element if the type of the
198 // element is image. It returns 0 if the element is not image type.
199 virtual unsigned height() const;
200 virtual unsigned width() const;
202 virtual TextDirection computedTextDirection();
204 void dispatchSimulatedClickIfActive(KeyboardEvent*) const;
206 // InputTypeView override
207 virtual bool shouldSubmitImplicitly(Event*) OVERRIDE;
208 virtual bool hasCustomFocusLogic() const OVERRIDE;
210 virtual bool shouldDispatchFormControlChangeEvent(String&, String&);
213 virtual ColorChooserClient* colorChooserClient();
216 InputType(HTMLInputElement& element) : InputTypeView(element) { }
217 Chrome* chrome() const;
218 Locale& locale() const;
219 Decimal parseToNumberOrNaN(const String&) const;
220 void countUsageIfVisible(UseCounter::Feature) const;
222 // Derive the step base, following the HTML algorithm steps.
223 Decimal findStepBase(const Decimal&) const;
225 StepRange createStepRange(AnyStepHandling, const Decimal& stepBaseDefault, const Decimal& minimumDefault, const Decimal& maximumDefault, const StepRange::StepDescription&) const;
228 // Helper for stepUp()/stepDown(). Adds step value * count to the current value.
229 void applyStep(const Decimal&, int count, AnyStepHandling, TextFieldEventBehavior, ExceptionState&);