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32 #include "WebAccessibilityCacheImpl.h"
34 #include "AccessibilityObject.h"
35 #include "AXObjectCache.h"
39 #include "WebAccessibilityObject.h"
40 #include "WebFrameImpl.h"
41 #include "WebViewImpl.h"
43 using namespace WebCore;
47 const int invalidObjectId = -1;
48 const int firstObjectId = 1000;
50 static PassRefPtr<AccessibilityObject> toAccessibilityObject(const WebAccessibilityObject& object)
55 // WebView ----------------------------------------------------------------
57 WebAccessibilityCache* WebAccessibilityCache::create()
59 return new WebAccessibilityCacheImpl();
62 // WeakHandle -------------------------------------------------------------
64 PassRefPtr<WebAccessibilityCacheImpl::WeakHandle> WebAccessibilityCacheImpl::WeakHandle::create(AccessibilityObject* object)
66 RefPtr<WebAccessibilityCacheImpl::WeakHandle> weakHandle = adoptRef(new WebAccessibilityCacheImpl::WeakHandle(object));
67 weakHandle->m_object->setWrapper(weakHandle.get());
69 return weakHandle.release();
72 WebAccessibilityCacheImpl::WeakHandle::WeakHandle(AccessibilityObject* object)
73 : AccessibilityObjectWrapper(object)
77 // WebAccessibilityCacheImpl ----------------------------------------
79 void WebAccessibilityCacheImpl::WeakHandle::detach()
85 WebAccessibilityCacheImpl::WebAccessibilityCacheImpl()
86 : m_nextNewId(firstObjectId)
87 , m_initialized(false)
91 WebAccessibilityCacheImpl::~WebAccessibilityCacheImpl()
95 void WebAccessibilityCacheImpl::initialize(WebView* view)
97 AXObjectCache::enableAccessibility();
98 WebAccessibilityObject root = view->accessibilityObject();
102 RefPtr<AccessibilityObject> rootObject = toAccessibilityObject(root);
104 // Insert root in hashmaps.
105 m_objectMap.set(m_nextNewId, WeakHandle::create(rootObject.get()));
106 m_idMap.set(rootObject.get(), m_nextNewId++);
108 m_initialized = true;
111 WebAccessibilityObject WebAccessibilityCacheImpl::getObjectById(int id)
113 ObjectMap::iterator it = m_objectMap.find(id);
115 if (it == m_objectMap.end() || !it->second)
116 return WebAccessibilityObject();
118 return WebAccessibilityObject(it->second->accessibilityObject());
121 void WebAccessibilityCacheImpl::remove(int id)
123 ObjectMap::iterator it = m_objectMap.find(id);
125 if (it == m_objectMap.end())
129 // Erase element from reverse hashmap.
130 IdMap::iterator it2 = m_idMap.find(it->second->accessibilityObject());
131 if (it2 != m_idMap.end())
135 m_objectMap.remove(it);
138 void WebAccessibilityCacheImpl::clear()
144 int WebAccessibilityCacheImpl::addOrGetId(const WebAccessibilityObject& object)
146 if (!object.isValid())
147 return invalidObjectId;
149 RefPtr<AccessibilityObject> o = toAccessibilityObject(object);
151 IdMap::iterator it = m_idMap.find(o.get());
153 if (it != m_idMap.end())
156 // Insert new accessibility object in hashmaps and return its newly
157 // assigned accessibility object id.
158 m_objectMap.set(m_nextNewId, WeakHandle::create(o.get()));
159 m_idMap.set(o.get(), m_nextNewId);
161 return m_nextNewId++;
164 bool WebAccessibilityCacheImpl::isCached(const WebAccessibilityObject& object)
166 if (!object.isValid())
169 RefPtr<AccessibilityObject> o = toAccessibilityObject(object);
170 IdMap::iterator it = m_idMap.find(o.get());
171 if (it == m_idMap.end())