Home | History | Annotate | Download | only in accessibility 
      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 #include "config.h"
     27 #include "AccessibilityMenuList.h"
     28 
     29 #include "AXObjectCache.h"
     30 #include "AccessibilityMenuListPopup.h"
     31 #include "RenderMenuList.h"
     32 
     33 namespace WebCore {
     34 
     35 AccessibilityMenuList::AccessibilityMenuList(RenderMenuList* renderer)
     36     : AccessibilityRenderObject(renderer)
     37 {
     38 }
     39 
     40 bool AccessibilityMenuList::press() const
     41 {
     42     RenderMenuList* menuList = static_cast<RenderMenuList*>(m_renderer);
     43     if (menuList->popupIsVisible())
     44         menuList->hidePopup();
     45     else
     46         menuList->showPopup();
     47     return true;
     48 }
     49 
     50 void AccessibilityMenuList::addChildren()
     51 {
     52     m_haveChildren = true;
     53 
     54     AXObjectCache* cache = m_renderer->document()->axObjectCache();
     55 
     56     AccessibilityObject* list = cache->getOrCreate(MenuListPopupRole);
     57     if (!list)
     58         return;
     59 
     60     if (list->accessibilityPlatformIncludesObject() == IgnoreObject) {
     61         cache->remove(list->axObjectID());
     62         return;
     63     }
     64 
     65     static_cast<AccessibilityMenuListPopup*>(list)->setMenuList(this);
     66     m_children.append(list);
     67 
     68     list->addChildren();
     69 }
     70 
     71 void AccessibilityMenuList::childrenChanged()
     72 {
     73     if (m_children.isEmpty())
     74         return;
     75 
     76     ASSERT(m_children.size() == 1);
     77     m_children[0]->childrenChanged();
     78 }
     79 
     80 bool AccessibilityMenuList::isCollapsed() const
     81 {
     82     return !static_cast<RenderMenuList*>(m_renderer)->popupIsVisible();
     83 }
     84 
     85 } // namespace WebCore
     86