Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Google Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
| 14 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 16 | * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE |
| 17 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 18 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 19 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 20 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 21 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 22 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 23 | * SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #ifndef DateTimeFieldElement_h |
| 27 | #define DateTimeFieldElement_h |
| 28 | |
| 29 | #if ENABLE(INPUT_MULTIPLE_FIELDS_UI) |
| 30 | #include "core/html/HTMLDivElement.h" |
| 31 | #include "core/html/HTMLSpanElement.h" |
| 32 | |
| 33 | namespace WebCore { |
| 34 | |
| 35 | class DateComponents; |
| 36 | class DateTimeFieldsState; |
| 37 | class Font; |
| 38 | |
| 39 | // DateTimeFieldElement is base class of date time field element. |
| 40 | class DateTimeFieldElement : public HTMLSpanElement { |
| 41 | WTF_MAKE_NONCOPYABLE(DateTimeFieldElement); |
| 42 | |
| 43 | public: |
| 44 | enum EventBehavior { |
| 45 | DispatchNoEvent, |
| 46 | DispatchEvent, |
| 47 | }; |
| 48 | |
| 49 | // FieldOwner implementer must call removeEventHandler when |
| 50 | // it doesn't handle event, e.g. at destruction. |
| 51 | class FieldOwner { |
| 52 | public: |
| 53 | virtual ~FieldOwner(); |
| 54 | virtual void didBlurFromField() = 0; |
| 55 | virtual void didFocusOnField() = 0; |
| 56 | virtual void fieldValueChanged() = 0; |
| 57 | virtual bool focusOnNextField(const DateTimeFieldElement&) = 0; |
| 58 | virtual bool focusOnPreviousField(const DateTimeFieldElement&) = 0; |
| 59 | virtual bool isFieldOwnerDisabled() const = 0; |
| 60 | virtual bool isFieldOwnerReadOnly() const = 0; |
| 61 | virtual AtomicString localeIdentifier() const = 0; |
| 62 | }; |
| 63 | |
| 64 | virtual void defaultEventHandler(Event*) OVERRIDE; |
| 65 | virtual bool hasValue() const = 0; |
| 66 | bool isDisabled() const; |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 67 | virtual float maximumWidth(const Font&); |
| 68 | virtual void populateDateTimeFieldsState(DateTimeFieldsState&) = 0; |
| 69 | void removeEventHandler() { m_fieldOwner = 0; } |
| 70 | void setDisabled(); |
| 71 | virtual void setEmptyValue(EventBehavior = DispatchNoEvent) = 0; |
| 72 | virtual void setValueAsDate(const DateComponents&) = 0; |
| 73 | virtual void setValueAsDateTimeFieldsState(const DateTimeFieldsState&) = 0; |
| 74 | virtual void setValueAsInteger(int, EventBehavior = DispatchNoEvent) = 0; |
| 75 | virtual void stepDown() = 0; |
| 76 | virtual void stepUp() = 0; |
| 77 | virtual String value() const = 0; |
| 78 | virtual String visibleValue() const = 0; |
| 79 | |
| 80 | protected: |
| 81 | DateTimeFieldElement(Document*, FieldOwner&); |
| 82 | virtual void didBlur(); |
| 83 | virtual void didFocus(); |
| 84 | void focusOnNextField(); |
| 85 | virtual void handleKeyboardEvent(KeyboardEvent*) = 0; |
| 86 | void initialize(const AtomicString& pseudo, const String& axHelpText, int axMinimum, int axMaximum); |
| 87 | Locale& localeForOwner() const; |
| 88 | AtomicString localeIdentifier() const; |
| 89 | void updateVisibleValue(EventBehavior); |
| 90 | virtual int valueAsInteger() const = 0; |
| 91 | virtual int valueForARIAValueNow() const; |
| 92 | |
| 93 | private: |
| 94 | void defaultKeyboardEventHandler(KeyboardEvent*); |
| 95 | virtual bool isDateTimeFieldElement() const OVERRIDE; |
| 96 | bool isFieldOwnerDisabled() const; |
| 97 | bool isFieldOwnerReadOnly() const; |
| 98 | virtual bool supportsFocus() const OVERRIDE FINAL; |
| 99 | |
| 100 | FieldOwner* m_fieldOwner; |
| 101 | }; |
| 102 | |
| 103 | } // namespace WebCore |
| 104 | |
| 105 | #endif |
| 106 | #endif |