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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 DateTimeEditElement_h
#define DateTimeEditElement_h
#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
#include "core/html/forms/StepRange.h"
#include "core/html/shadow/DateTimeFieldElement.h"
#include "platform/DateComponents.h"
namespace blink {
class DateTimeFieldsState;
class Locale;
class StepRange;
// DateTimeEditElement class contains numberic field and symbolc field for
// representing date and time, such as
// - Year, Month, Day Of Month
// - Hour, Minute, Second, Millisecond, AM/PM
class DateTimeEditElement final : public HTMLDivElement, public DateTimeFieldElement::FieldOwner {
WTF_MAKE_NONCOPYABLE(DateTimeEditElement);
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DateTimeEditElement);
public:
// EditControlOwner implementer must call removeEditControlOwner when
// it doesn't handle event, e.g. at destruction.
class EditControlOwner : public WillBeGarbageCollectedMixin {
public:
virtual ~EditControlOwner();
virtual void didBlurFromControl() = 0;
virtual void didFocusOnControl() = 0;
virtual void editControlValueChanged() = 0;
virtual String formatDateTimeFieldsState(const DateTimeFieldsState&) const = 0;
virtual bool isEditControlOwnerDisabled() const = 0;
virtual bool isEditControlOwnerReadOnly() const = 0;
virtual AtomicString localeIdentifier() const = 0;
virtual void editControlDidChangeValueByKeyboard() = 0;
};
struct LayoutParameters {
String dateTimeFormat;
String fallbackDateTimeFormat;
Locale& locale;
const StepRange stepRange;
DateComponents minimum;
DateComponents maximum;
String placeholderForDay;
String placeholderForMonth;
String placeholderForYear;
LayoutParameters(Locale& locale, const StepRange& stepRange)
: locale(locale)
, stepRange(stepRange)
{
}
};
static PassRefPtrWillBeRawPtr<DateTimeEditElement> create(Document&, EditControlOwner&);
virtual ~DateTimeEditElement();
virtual void trace(Visitor*) override;
void addField(PassRefPtrWillBeRawPtr<DateTimeFieldElement>);
bool anyEditableFieldsHaveValues() const;
void blurByOwner();
virtual void defaultEventHandler(Event*) override;
void disabledStateChanged();
Element* fieldsWrapperElement() const;
void focusIfNoFocus();
// If oldFocusedNode is one of sub-fields, focus on it. Otherwise focus on
// the first sub-field.
void focusByOwner(Element* oldFocusedElement = 0);
bool hasFocusedField();
void readOnlyStateChanged();
void removeEditControlOwner() { m_editControlOwner = nullptr; }
void resetFields();
void setEmptyValue(const LayoutParameters&, const DateComponents& dateForReadOnlyField);
void setValueAsDate(const LayoutParameters&, const DateComponents&);
void setValueAsDateTimeFieldsState(const DateTimeFieldsState&);
void setOnlyYearMonthDay(const DateComponents&);
void stepDown();
void stepUp();
String value() const;
DateTimeFieldsState valueAsDateTimeFieldsState() const;
private:
static const size_t invalidFieldIndex = static_cast<size_t>(-1);
// Datetime can be represent at most five fields, such as
// 1. year
// 2. month
// 3. day-of-month
// 4. hour
// 5. minute
// 6. second
// 7. millisecond
// 8. AM/PM
static const int maximumNumberOfFields = 8;
DateTimeEditElement(Document&, EditControlOwner&);
DateTimeFieldElement* fieldAt(size_t) const;
size_t fieldIndexOf(const DateTimeFieldElement&) const;
DateTimeFieldElement* focusedField() const;
size_t focusedFieldIndex() const;
bool focusOnNextFocusableField(size_t startIndex);
bool isDisabled() const;
bool isReadOnly() const;
void layout(const LayoutParameters&, const DateComponents&);
void updateUIState();
// Element function.
virtual PassRefPtr<RenderStyle> customStyleForRenderer() override;
virtual bool isDateTimeEditElement() const override;
// DateTimeFieldElement::FieldOwner functions.
virtual void didBlurFromField() override;
virtual void didFocusOnField() override;
virtual void fieldValueChanged() override;
virtual bool focusOnNextField(const DateTimeFieldElement&) override;
virtual bool focusOnPreviousField(const DateTimeFieldElement&) override;
virtual bool isFieldOwnerDisabled() const override;
virtual bool isFieldOwnerReadOnly() const override;
virtual AtomicString localeIdentifier() const override;
virtual void fieldDidChangeValueByKeyboard() override;
WillBeHeapVector<RawPtrWillBeMember<DateTimeFieldElement>, maximumNumberOfFields> m_fields;
RawPtrWillBeMember<EditControlOwner> m_editControlOwner;
};
DEFINE_TYPE_CASTS(DateTimeEditElement, Element, element, element->isDateTimeEditElement(), element.isDateTimeEditElement());
} // namespace blink
#endif
#endif
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