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      1 /*
      2  * Copyright (C) 2010 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  * 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. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef AccessibilityMenuList_h
     27 #define AccessibilityMenuList_h
     28 
     29 #include "core/accessibility/AccessibilityRenderObject.h"
     30 
     31 namespace WebCore {
     32 
     33 class AccessibilityMenuList;
     34 class AccessibilityMenuListPopup;
     35 class HTMLOptionElement;
     36 class RenderMenuList;
     37 
     38 class AccessibilityMenuList : public AccessibilityRenderObject {
     39 public:
     40     static PassRefPtr<AccessibilityMenuList> create(RenderMenuList* renderer);
     41 
     42     virtual bool isCollapsed() const OVERRIDE;
     43     virtual bool press() const OVERRIDE;
     44 
     45     void didUpdateActiveOption(int optionIndex);
     46 
     47 private:
     48     explicit AccessibilityMenuList(RenderMenuList*);
     49 
     50     virtual bool isMenuList() const OVERRIDE { return true; }
     51     virtual AccessibilityRole roleValue() const OVERRIDE { return PopUpButtonRole; }
     52     virtual bool canSetFocusAttribute() const OVERRIDE;
     53 
     54     virtual void addChildren() OVERRIDE;
     55     virtual void childrenChanged() OVERRIDE;
     56 };
     57 
     58 inline AccessibilityMenuList* toAccessibilityMenuList(AccessibilityObject* object)
     59 {
     60     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isMenuList());
     61     return static_cast<AccessibilityMenuList*>(object);
     62 }
     63 
     64 } // namespace WebCore
     65 
     66 #endif // AccessibilityMenuList_h
     67