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/*
* Copyright (C) 2010 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*/
#ifndef InputType_h
#define InputType_h
#include "ExceptionCode.h"
#include <wtf/Forward.h>
#include <wtf/Noncopyable.h>
namespace WebCore {
class DateComponents;
class Event;
class FormDataList;
class HTMLInputElement;
class KeyboardEvent;
class MouseEvent;
class RenderArena;
class RenderObject;
class RenderStyle;
// An InputType object represents the type-specific part of an HTMLInputElement.
// Do not expose instances of InputType and classes derived from it to classes
// other than HTMLInputElement.
class InputType : public Noncopyable {
public:
static PassOwnPtr<InputType> create(HTMLInputElement*, const AtomicString&);
static PassOwnPtr<InputType> createText(HTMLInputElement*);
virtual ~InputType();
// Type query functions
virtual bool isTextField() const;
virtual bool isTextType() const;
virtual const AtomicString& formControlType() const = 0;
// Form value functions
virtual bool saveFormControlState(String&) const;
virtual void restoreFormControlState(const String&) const;
virtual bool isFormDataAppendable() const;
virtual bool appendFormData(FormDataList&, bool multipart) const;
// DOM property functions
virtual double valueAsDate() const;
virtual void setValueAsDate(double, ExceptionCode&) const;
virtual double valueAsNumber() const;
virtual void setValueAsNumber(double, ExceptionCode&) const;
// Validation functions
virtual bool supportsValidation() const;
virtual bool typeMismatchFor(const String&) const;
// Type check for the current input value. We do nothing for some types
// though typeMismatchFor() does something for them because of value
// sanitization.
virtual bool typeMismatch() const;
virtual bool supportsRequired() const;
virtual bool valueMissing(const String&) const;
virtual bool patternMismatch(const String&) const;
virtual bool rangeUnderflow(const String&) const;
virtual bool rangeOverflow(const String&) const;
virtual double minimum() const;
virtual double maximum() const;
virtual bool stepMismatch(const String&, double) const;
virtual double stepBase() const;
virtual double stepBaseWithDecimalPlaces(unsigned*) const;
virtual double defaultStep() const;
virtual double stepScaleFactor() const;
virtual bool parsedStepValueShouldBeInteger() const;
virtual bool scaledStepValeuShouldBeInteger() const;
virtual double acceptableError(double) const;
virtual String typeMismatchText() const;
// Event handlers
// If the return value is true, do no further default event handling in the
// default event handler. If an event handler calls Event::setDefaultHandled(),
// its return value must be true.
virtual bool handleClickEvent(MouseEvent*);
virtual bool handleDOMActivateEvent(Event*);
virtual bool handleKeydownEvent(KeyboardEvent*);
// Miscellaneous functions
virtual RenderObject* createRenderer(RenderArena*, RenderStyle*) const;
// Parses the specified string for the type, and return
// the double value for the parsing result if the parsing
// succeeds; Returns defaultValue otherwise. This function can
// return NaN or Infinity only if defaultValue is NaN or Infinity.
virtual double parseToDouble(const String&, double defaultValue) const;
// Parses the specified string for the type as parseToDouble() does.
// In addition, it stores the number of digits after the decimal point
// into *decimalPlaces.
virtual double parseToDoubleWithDecimalPlaces(const String& src, double defaultValue, unsigned *decimalPlaces) const;
// Parses the specified string for this InputType, and returns true if it
// is successfully parsed. An instance pointed by the DateComponents*
// parameter will have parsed values and be modified even if the parsing
// fails. The DateComponents* parameter may be 0.
virtual bool parseToDateComponents(const String&, DateComponents*) const;
// Create a string representation of the specified double value for the
// input type. If NaN or Infinity is specified, this returns an empty
// string. This should not be called for types without valueAsNumber.
virtual String serialize(double) const;
protected:
InputType(HTMLInputElement* element) : m_element(element) { }
HTMLInputElement* element() const { return m_element; }
// We can't make this a static const data member because VC++ doesn't like it.
static double defaultStepBase() { return 0.0; }
private:
// Raw pointer because the HTMLInputElement object owns this InputType object.
HTMLInputElement* m_element;
};
namespace InputTypeNames {
const AtomicString& button();
const AtomicString& checkbox();
const AtomicString& color();
const AtomicString& date();
const AtomicString& datetime();
const AtomicString& datetimelocal();
const AtomicString& email();
const AtomicString& file();
const AtomicString& hidden();
const AtomicString& image();
const AtomicString& isindex();
const AtomicString& month();
const AtomicString& number();
const AtomicString& password();
const AtomicString& radio();
const AtomicString& range();
const AtomicString& reset();
const AtomicString& search();
const AtomicString& submit();
const AtomicString& telephone();
const AtomicString& text();
const AtomicString& time();
const AtomicString& url();
const AtomicString& week();
} // namespace WebCore::InputTypeNames
} // namespace WebCore
#endif
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