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 "AccessibilityTableHeaderContainer.h"
31 
32 #include "AXObjectCache.h"
33 #include "AccessibilityTable.h"
34 
35 using namespace std;
36 
37 namespace WebCore {
38 
AccessibilityTableHeaderContainer()39 AccessibilityTableHeaderContainer::AccessibilityTableHeaderContainer()
40     : m_parentTable(0)
41 {
42 }
43 
~AccessibilityTableHeaderContainer()44 AccessibilityTableHeaderContainer::~AccessibilityTableHeaderContainer()
45 {
46 }
47 
create()48 PassRefPtr<AccessibilityTableHeaderContainer> AccessibilityTableHeaderContainer::create()
49 {
50     return adoptRef(new AccessibilityTableHeaderContainer());
51 }
52 
children()53 const AccessibilityObject::AccessibilityChildrenVector& AccessibilityTableHeaderContainer::children()
54 {
55     if (!m_haveChildren)
56         addChildren();
57     return m_children;
58 }
59 
elementRect() const60 IntRect AccessibilityTableHeaderContainer::elementRect() const
61 {
62     // this will be filled in when addChildren is called
63     return m_headerRect;
64 }
65 
size() const66 IntSize AccessibilityTableHeaderContainer::size() const
67 {
68     return elementRect().size();
69 }
70 
accessibilityIsIgnored() const71 bool AccessibilityTableHeaderContainer::accessibilityIsIgnored() const
72 {
73     if (!m_parentTable)
74         return true;
75 
76 #if PLATFORM(GTK)
77     return true;
78 #endif
79 
80     return m_parentTable->accessibilityIsIgnored();
81 }
82 
addChildren()83 void AccessibilityTableHeaderContainer::addChildren()
84 {
85     ASSERT(!m_haveChildren);
86 
87     m_haveChildren = true;
88     if (!m_parentTable || !m_parentTable->isAccessibilityTable())
89         return;
90 
91     static_cast<AccessibilityTable*>(m_parentTable)->columnHeaders(m_children);
92 
93     unsigned length = m_children.size();
94     for (unsigned k = 0; k < length; ++k)
95         m_headerRect.unite(m_children[k]->elementRect());
96 }
97 
98 } // namespace WebCore
99