WebCore/AccessibilityListBoxOption.h

   1 /*
   2  * Copyright (C) 2008 Apple 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  *
   8  * 1.  Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  * 2.  Redistributions in binary form must reproduce the above copyright
  11  *     notice, this list of conditions and the following disclaimer in the
  12  *     documentation and/or other materials provided with the distribution.
  13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  14  *     its contributors may be used to endorse or promote products derived
  15  *     from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef AccessibilityListBoxOption_h
  30 #define AccessibilityListBoxOption_h
  31
  32 #include "AccessibilityObject.h"
  33 #include "HTMLElement.h"
  34
  35 namespace WebCore {
  36
  37 class AccessibilityListBox;
  38 class Element;
  39 class HTMLElement;
  40 class HTMLSelectElement;
  41 class String;
  42
  43 class AccessibilityListBoxOption : public AccessibilityObject {
  44
  45 private:
  46     AccessibilityListBoxOption();
  47 public:
  48     static PassRefPtr<AccessibilityListBoxOption> create();
  49     virtual ~AccessibilityListBoxOption();
  50
  51     void setHTMLElement(HTMLElement* element) { m_optionElement = element; }
  52
  53     virtual AccessibilityRole roleValue() const { return ListBoxOptionRole; }
  54     virtual bool accessibilityIsIgnored() const { return false; }
  55     virtual bool isSelected() const;
  56     virtual bool isEnabled() const;
  57     virtual String stringValue() const;
  58     virtual Element* actionElement() const;
  59
  60     virtual void setSelected(bool);
  61     virtual bool canSetSelectedAttribute() const;
  62
  63     virtual IntRect elementRect() const;
  64     virtual IntSize size() const;
  65     virtual AccessibilityObject* parentObject() const;
  66     bool isListBoxOption() const { return true; };
  67
  68 private:
  69     HTMLElement* m_optionElement;
  70
  71     HTMLSelectElement* listBoxOptionParentNode() const;
  72     int listBoxOptionIndex() const;
  73     IntRect listBoxOptionRect() const;
  74     AccessibilityObject* listBoxOptionAccessibilityObject(HTMLElement* element) const;
  75 };
  76
  77 } // namespace WebCore
  78
  79 #endif // AccessibilityListBoxOption_h