AccessibilityMenuList.cpp revision 2daae5fd11344eaa88a0d92b0f6d65f8d2255c00 
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
33namespace WebCore {
34
35AccessibilityMenuList::AccessibilityMenuList(RenderMenuList* renderer)
36    : AccessibilityRenderObject(renderer)
37{
38}
39
40bool 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
50void 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
71void AccessibilityMenuList::childrenChanged()
72{
73    if (m_children.isEmpty())
74        return;
75
76    ASSERT(m_children.size() == 1);
77    m_children[0]->childrenChanged();
78}
79
80bool AccessibilityMenuList::isCollapsed() const
81{
82    return !static_cast<RenderMenuList*>(m_renderer)->popupIsVisible();
83}
84
85} // namespace WebCore
86