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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/AccessibilityTableHeaderContainer.h"
     31 
     32 
     33 using namespace std;
     34 
     35 namespace WebCore {
     36 
     37 AccessibilityTableHeaderContainer::AccessibilityTableHeaderContainer()
     38 {
     39 }
     40 
     41 AccessibilityTableHeaderContainer::~AccessibilityTableHeaderContainer()
     42 {
     43 }
     44 
     45 PassRefPtr<AccessibilityTableHeaderContainer> AccessibilityTableHeaderContainer::create()
     46 {
     47     return adoptRef(new AccessibilityTableHeaderContainer());
     48 }
     49 
     50 LayoutRect AccessibilityTableHeaderContainer::elementRect() const
     51 {
     52     // this will be filled in when addChildren is called
     53     return m_headerRect;
     54 }
     55 
     56 bool AccessibilityTableHeaderContainer::computeAccessibilityIsIgnored() const
     57 {
     58     if (!m_parent)
     59         return true;
     60 
     61     return m_parent->accessibilityIsIgnored();
     62 }
     63 
     64 void AccessibilityTableHeaderContainer::addChildren()
     65 {
     66     ASSERT(!m_haveChildren);
     67 
     68     m_haveChildren = true;
     69     if (!m_parent || !m_parent->isAccessibilityTable())
     70         return;
     71 
     72     static_cast<AccessibilityTable*>(m_parent)->columnHeaders(m_children);
     73 
     74     unsigned length = m_children.size();
     75     for (unsigned k = 0; k < length; ++k)
     76         m_headerRect.unite(m_children[k]->elementRect());
     77 }
     78 
     79 } // namespace WebCore
     80