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      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 #include "config.h"
     30 #include "core/accessibility/AccessibilityList.h"
     31 
     32 #include "core/rendering/RenderObject.h"
     33 
     34 using namespace std;
     35 
     36 namespace WebCore {
     37 
     38 using namespace HTMLNames;
     39 
     40 AccessibilityList::AccessibilityList(RenderObject* renderer)
     41     : AccessibilityRenderObject(renderer)
     42 {
     43 }
     44 
     45 AccessibilityList::~AccessibilityList()
     46 {
     47 }
     48 
     49 PassRefPtr<AccessibilityList> AccessibilityList::create(RenderObject* renderer)
     50 {
     51     return adoptRef(new AccessibilityList(renderer));
     52 }
     53 
     54 bool AccessibilityList::computeAccessibilityIsIgnored() const
     55 {
     56     return accessibilityIsIgnoredByDefault();
     57 }
     58 
     59 bool AccessibilityList::isUnorderedList() const
     60 {
     61     if (!m_renderer)
     62         return false;
     63 
     64     Node* node = m_renderer->node();
     65 
     66     // The ARIA spec says the "list" role is supposed to mimic a UL or OL tag.
     67     // Since it can't be both, it's probably OK to say that it's an un-ordered list.
     68     // On the Mac, there's no distinction to the client.
     69     if (ariaRoleAttribute() == ListRole)
     70         return true;
     71 
     72     return node && node->hasTagName(ulTag);
     73 }
     74 
     75 bool AccessibilityList::isOrderedList() const
     76 {
     77     if (!m_renderer)
     78         return false;
     79 
     80     // ARIA says a directory is like a static table of contents, which sounds like an ordered list.
     81     if (ariaRoleAttribute() == DirectoryRole)
     82         return true;
     83 
     84     Node* node = m_renderer->node();
     85     return node && node->hasTagName(olTag);
     86 }
     87 
     88 bool AccessibilityList::isDescriptionList() const
     89 {
     90     if (!m_renderer)
     91         return false;
     92 
     93     Node* node = m_renderer->node();
     94     return node && node->hasTagName(dlTag);
     95 }
     96 
     97 
     98 } // namespace WebCore
     99