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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/AXTableHeaderContainer.h"
     31 
     32 
     33 
     34 namespace WebCore {
     35 
     36 AXTableHeaderContainer::AXTableHeaderContainer()
     37 {
     38 }
     39 
     40 AXTableHeaderContainer::~AXTableHeaderContainer()
     41 {
     42 }
     43 
     44 PassRefPtr<AXTableHeaderContainer> AXTableHeaderContainer::create()
     45 {
     46     return adoptRef(new AXTableHeaderContainer());
     47 }
     48 
     49 LayoutRect AXTableHeaderContainer::elementRect() const
     50 {
     51     // this will be filled in when addChildren is called
     52     return m_headerRect;
     53 }
     54 
     55 bool AXTableHeaderContainer::computeAccessibilityIsIgnored() const
     56 {
     57     if (!m_parent)
     58         return true;
     59 
     60     return m_parent->accessibilityIsIgnored();
     61 }
     62 
     63 void AXTableHeaderContainer::addChildren()
     64 {
     65     ASSERT(!m_haveChildren);
     66 
     67     m_haveChildren = true;
     68     if (!m_parent || !m_parent->isAXTable())
     69         return;
     70 
     71     toAXTable(m_parent)->columnHeaders(m_children);
     72 
     73     unsigned length = m_children.size();
     74     for (unsigned k = 0; k < length; ++k)
     75         m_headerRect.unite(m_children[k]->elementRect());
     76 }
     77 
     78 } // namespace WebCore
     79