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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.
*/
#ifndef DateTimeFieldElement_h
#define DateTimeFieldElement_h
#if ENABLE(INPUT_TYPE_TIME_MULTIPLE_FIELDS)
#include "HTMLDivElement.h"
namespace WebCore {
class DateComponents;
class DateTimeFieldsState;
// DateTimeFieldElement is base class of date time field element.
class DateTimeFieldElement : public HTMLElement {
WTF_MAKE_NONCOPYABLE(DateTimeFieldElement);
public:
enum EventBehavior {
DispatchNoEvent,
DispatchEvent,
};
// FieldOwner implementer must call removeEventHandler when
// it doesn't handle event, e.g. at destruction.
class FieldOwner {
public:
virtual ~FieldOwner();
virtual void didBlurFromField() = 0;
virtual void didFocusOnField() = 0;
virtual void fieldValueChanged() = 0;
virtual bool focusOnNextField(const DateTimeFieldElement&) = 0;
virtual bool focusOnPreviousField(const DateTimeFieldElement&) = 0;
};
virtual void defaultEventHandler(Event*) OVERRIDE;
virtual bool hasValue() const = 0;
bool isReadOnly() const;
virtual void populateDateTimeFieldsState(DateTimeFieldsState&) = 0;
void removeEventHandler() { m_fieldOwner = 0; }
void setReadOnly();
virtual void setEmptyValue(const DateComponents& dateForReadOnlyField, EventBehavior = DispatchNoEvent) = 0;
virtual void setValueAsDate(const DateComponents&) = 0;
virtual void setValueAsDateTimeFieldsState(const DateTimeFieldsState&, const DateComponents& dateForReadOnlyField) = 0;
virtual void setValueAsInteger(int, EventBehavior = DispatchNoEvent) = 0;
virtual void stepDown() = 0;
virtual void stepUp() = 0;
virtual String value() const = 0;
double valueAsDouble() const;
virtual int valueAsInteger() const = 0;
virtual String visibleValue() const = 0;
protected:
DateTimeFieldElement(Document*, FieldOwner&);
virtual void didBlur();
virtual void didFocus();
void focusOnNextField();
virtual void handleKeyboardEvent(KeyboardEvent*) = 0;
void initialize(const AtomicString& shadowPseudoId, const String& axHelpText);
virtual int maximum() const = 0;
virtual int minimum() const = 0;
virtual double unitInMillisecond() const = 0;
void updateVisibleValue(EventBehavior);
private:
void defaultKeyboardEventHandler(KeyboardEvent*);
virtual bool isFocusable() const OVERRIDE FINAL;
bool isRTL() const;
virtual bool supportsFocus() const OVERRIDE FINAL;
FieldOwner* m_fieldOwner;
};
} // namespace WebCore
#endif
#endif
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