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/*
* Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef InputElement_h
#define InputElement_h
#include "PlatformString.h"
#include <wtf/text/AtomicString.h>
namespace WebCore {
class Attribute;
class Document;
class Element;
class Event;
class InputElementData;
class InputElement {
public:
virtual ~InputElement() { }
virtual bool isAutofilled() const = 0;
virtual bool isChecked() const = 0;
virtual bool isIndeterminate() const = 0;
virtual bool isInputTypeHidden() const = 0;
virtual bool isPasswordField() const = 0;
virtual bool isSearchField() const = 0;
virtual bool isTextField() const = 0;
virtual bool isRadioButton() const = 0;
virtual bool isCheckbox() const = 0;
virtual bool supportsMaxLength() const = 0;
virtual bool hasSpinButton() const { return false; }
#if ENABLE(INPUT_SPEECH)
virtual bool isSpeechEnabled() const = 0;
#endif
virtual bool searchEventsShouldBeDispatched() const = 0;
virtual int size() const = 0;
virtual const String& suggestedValue() const = 0;
virtual String value() const = 0;
virtual void setValue(const String&, bool sendChangeEvent = false) = 0;
virtual void setValueForUser(const String&) = 0;
// The value which is drawn by a renderer.
virtual String visibleValue() const = 0;
virtual String convertFromVisibleValue(const String&) const = 0;
// Returns true if the specified string can be set as the value of InputElement.
virtual bool isAcceptableValue(const String&) const = 0;
virtual String sanitizeValue(const String&) const = 0;
virtual void setValueFromRenderer(const String&) = 0;
virtual void cacheSelection(int start, int end) = 0;
virtual void select() = 0;
#if ENABLE(WCSS)
virtual InputElementData data() const = 0;
#endif
static const int s_maximumLength;
static const int s_defaultSize;
// Replaces CRs and LFs, shrinks the value for s_maximumLength.
// This should be applied to values from the HTML value attribute and the DOM value property.
// This function should be called only by sanitizeValue() implementations.
// Public so it can be called by InputType.
static String sanitizeValueForTextField(const InputElement*, const String&);
protected:
static void dispatchFocusEvent(InputElement*, Element*);
static void dispatchBlurEvent(InputElement*, Element*);
static void updateFocusAppearance(InputElementData&, InputElement*, Element*, bool restorePreviousSelection);
static void updateSelectionRange(InputElement*, Element*, int start, int end);
static void aboutToUnload(InputElement*, Element*);
static void setValueFromRenderer(InputElementData&, InputElement*, Element*, const String&);
// Replaces CRs and LFs, shrinks the value for the specified maximum length.
// This should be applied to values specified by users.
// The input string may be a fragment of the whole value.
static String sanitizeUserInputValue(const InputElement*, const String&, int);
static void handleBeforeTextInsertedEvent(InputElementData&, InputElement*, Element*, Event*);
static void parseSizeAttribute(InputElementData&, Element*, Attribute*);
static void parseMaxLengthAttribute(InputElementData&, InputElement*, Element*, Attribute*);
static void updateValueIfNeeded(InputElementData&, InputElement*);
static void notifyFormStateChanged(Element*);
#if ENABLE(WCSS)
static bool isConformToInputMask(const InputElementData&, const String&);
static bool isConformToInputMask(const InputElementData&, UChar, unsigned);
static String validateInputMask(InputElementData&, String&);
#endif
};
// HTML/WMLInputElement hold this struct as member variable
// and pass it to the static helper functions in InputElement
class InputElementData {
public:
InputElementData();
~InputElementData();
const AtomicString& name() const;
void setName(const AtomicString& value) { m_name = value; }
// The null String represents "use the default value," and the empty String
// represents the empty value.
String value() const { return m_value; }
void setValue(const String& value) { m_value = value; }
const String& suggestedValue() const { return m_suggestedValue; }
void setSuggestedValue(const String& value) { m_suggestedValue = value; }
int size() const { return m_size; }
void setSize(int value) { m_size = value; }
int maxLength() const { return m_maxLength; }
void setMaxLength(int value) { m_maxLength = value; }
int cachedSelectionStart() const { return m_cachedSelectionStart; }
void setCachedSelectionStart(int value) { m_cachedSelectionStart = value; }
int cachedSelectionEnd() const { return m_cachedSelectionEnd; }
void setCachedSelectionEnd(int value) { m_cachedSelectionEnd = value; }
#if ENABLE(WCSS)
String inputFormatMask() const { return m_inputFormatMask; }
void setInputFormatMask(const String& mask) { m_inputFormatMask = mask; }
unsigned maxInputCharsAllowed() const { return m_maxInputCharsAllowed; }
void setMaxInputCharsAllowed(unsigned maxLength) { m_maxInputCharsAllowed = maxLength; }
#endif
private:
AtomicString m_name;
String m_value;
String m_suggestedValue;
int m_size;
int m_maxLength;
int m_cachedSelectionStart;
int m_cachedSelectionEnd;
#if ENABLE(WCSS)
String m_inputFormatMask;
unsigned m_maxInputCharsAllowed;
#endif
};
}
#endif
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