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 DateTimeSymbolicFieldElement_h 27 #define DateTimeSymbolicFieldElement_h 28 29 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI) 30 #include "core/html/forms/TypeAhead.h" 31 #include "core/html/shadow/DateTimeFieldElement.h" 32 33 namespace WebCore { 34 35 // DateTimeSymbolicFieldElement represents non-numeric field of data time 36 // format, such as: AM/PM, and month. 37 class DateTimeSymbolicFieldElement : public DateTimeFieldElement, public TypeAheadDataSource { 38 WTF_MAKE_NONCOPYABLE(DateTimeSymbolicFieldElement); 39 40 protected: 41 DateTimeSymbolicFieldElement(Document&, FieldOwner&, const Vector<String>&, int minimum, int maximum); 42 size_t symbolsSize() const { return m_symbols.size(); } 43 virtual bool hasValue() const OVERRIDE FINAL; 44 void initialize(const AtomicString& pseudo, const String& axHelpText); 45 virtual void setEmptyValue(EventBehavior = DispatchNoEvent) OVERRIDE FINAL; 46 virtual void setValueAsInteger(int, EventBehavior = DispatchNoEvent) OVERRIDE FINAL; 47 virtual int valueAsInteger() const OVERRIDE FINAL; 48 49 private: 50 static const int invalidIndex = -1; 51 52 String visibleEmptyValue() const; 53 bool indexIsInRange(int index) const { return index >= m_minimumIndex && index <= m_maximumIndex; } 54 55 // DateTimeFieldElement functions. 56 virtual void handleKeyboardEvent(KeyboardEvent*) OVERRIDE FINAL; 57 virtual float maximumWidth(const Font&) OVERRIDE; 58 virtual void stepDown() OVERRIDE FINAL; 59 virtual void stepUp() OVERRIDE FINAL; 60 virtual String value() const OVERRIDE FINAL; 61 virtual int valueForARIAValueNow() const OVERRIDE FINAL; 62 virtual String visibleValue() const OVERRIDE FINAL; 63 64 // TypeAheadDataSource functions. 65 virtual int indexOfSelectedOption() const OVERRIDE; 66 virtual int optionCount() const OVERRIDE; 67 virtual String optionAtIndex(int index) const OVERRIDE; 68 69 const Vector<String> m_symbols; 70 71 // We use AtomicString to share visible empty value among multiple 72 // DateTimeEditElements in the page. 73 const AtomicString m_visibleEmptyValue; 74 int m_selectedIndex; 75 TypeAhead m_typeAhead; 76 const int m_minimumIndex; 77 const int m_maximumIndex; 78 }; 79 80 } // namespace WebCore 81 82 #endif 83 #endif 84