| /* |
| * 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_MULTIPLE_FIELDS_UI) |
| #include "core/html/HTMLDivElement.h" |
| #include "core/html/HTMLSpanElement.h" |
| |
| namespace WebCore { |
| |
| class DateComponents; |
| class DateTimeFieldsState; |
| class Font; |
| |
| // DateTimeFieldElement is base class of date time field element. |
| class DateTimeFieldElement : public HTMLSpanElement { |
| 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 bool isFieldOwnerDisabled() const = 0; |
| virtual bool isFieldOwnerReadOnly() const = 0; |
| virtual AtomicString localeIdentifier() const = 0; |
| }; |
| |
| virtual void defaultEventHandler(Event*) OVERRIDE; |
| virtual bool hasValue() const = 0; |
| bool isDisabled() const; |
| virtual float maximumWidth(const Font&); |
| virtual void populateDateTimeFieldsState(DateTimeFieldsState&) = 0; |
| void removeEventHandler() { m_fieldOwner = 0; } |
| void setDisabled(); |
| virtual void setEmptyValue(EventBehavior = DispatchNoEvent) = 0; |
| virtual void setValueAsDate(const DateComponents&) = 0; |
| virtual void setValueAsDateTimeFieldsState(const DateTimeFieldsState&) = 0; |
| virtual void setValueAsInteger(int, EventBehavior = DispatchNoEvent) = 0; |
| virtual void stepDown() = 0; |
| virtual void stepUp() = 0; |
| virtual String value() 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& pseudo, const String& axHelpText, int axMinimum, int axMaximum); |
| Locale& localeForOwner() const; |
| AtomicString localeIdentifier() const; |
| void updateVisibleValue(EventBehavior); |
| virtual int valueAsInteger() const = 0; |
| virtual int valueForARIAValueNow() const; |
| |
| private: |
| void defaultKeyboardEventHandler(KeyboardEvent*); |
| virtual bool isDateTimeFieldElement() const OVERRIDE; |
| bool isFieldOwnerDisabled() const; |
| bool isFieldOwnerReadOnly() const; |
| virtual bool supportsFocus() const OVERRIDE FINAL; |
| |
| FieldOwner* m_fieldOwner; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif |
| #endif |