WebCore/accessibility/AccessibilityImageMapLink.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/accessibility/AccessibilityImageMapLink.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2008 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "AccessibilityImageMapLink.h"
+
+#include "AXObjectCache.h"
+#include "AccessibilityRenderObject.h"
+#include "Document.h"
+#include "HTMLNames.h"
+#include "IntRect.h"
+#include "RenderObject.h"
+
+using namespace std;
+
+namespace WebCore {
+    
+using namespace HTMLNames;
+
+AccessibilityImageMapLink::AccessibilityImageMapLink()
+    : m_areaElement(0), 
+      m_mapElement(0)
+{
+}
+
+AccessibilityImageMapLink::~AccessibilityImageMapLink()
+{
+}    
+
+PassRefPtr<AccessibilityImageMapLink> AccessibilityImageMapLink::create()
+{
+    return adoptRef(new AccessibilityImageMapLink());
+}
+
+AccessibilityObject* AccessibilityImageMapLink::parentObject() const
+{
+    if (m_parent)
+        return m_parent;
+    
+    if (!m_mapElement || !m_mapElement->renderer())
+        return 0;
+    
+    return m_mapElement->document()->axObjectCache()->getOrCreate(m_mapElement->renderer());
+}
+    
+AccessibilityRole AccessibilityImageMapLink::roleValue() const
+{
+    if (!m_areaElement)
+        return WebCoreLinkRole;
+    
+    const AtomicString& ariaRole = getAttribute(roleAttr);
+    if (!ariaRole.isEmpty())
+        return AccessibilityObject::ariaRoleToWebCoreRole(ariaRole);
+
+    return WebCoreLinkRole;
+}
+    
+Element* AccessibilityImageMapLink::actionElement() const
+{
+    return anchorElement();
+}
+    
+Element* AccessibilityImageMapLink::anchorElement() const
+{
+    return m_areaElement;
+}
+
+KURL AccessibilityImageMapLink::url() const
+{
+    if (!m_areaElement)
+        return KURL();
+    
+    return m_areaElement->href();
+}
+    
+String AccessibilityImageMapLink::accessibilityDescription() const
+{
+    const AtomicString& ariaLabel = getAttribute(aria_labelAttr);
+    if (!ariaLabel.isEmpty())
+        return ariaLabel;
+    const AtomicString& alt = getAttribute(altAttr);
+    if (!alt.isEmpty())
+        return alt;
+
+    return String();
+}
+    
+String AccessibilityImageMapLink::title() const
+{
+    const AtomicString& title = getAttribute(titleAttr);
+    if (!title.isEmpty())
+        return title;
+    const AtomicString& summary = getAttribute(summaryAttr);
+    if (!summary.isEmpty())
+        return summary;
+
+    return String();
+}
+    
+IntRect AccessibilityImageMapLink::elementRect() const
+{
+    if (!m_mapElement || !m_areaElement)
+        return IntRect();
+
+    RenderObject* renderer;
+    if (m_parent && m_parent->isAccessibilityRenderObject())
+        renderer = static_cast<AccessibilityRenderObject*>(m_parent)->renderer();
+    else
+        renderer = m_mapElement->renderer();
+    
+    if (!renderer)
+        return IntRect();
+    
+    return m_areaElement->getRect(renderer);
+}
+    
+IntSize AccessibilityImageMapLink::size() const
+{
+    return elementRect().size();
+}
+
+String AccessibilityImageMapLink::stringValueForMSAA() const
+{
+    return url();
+}
+
+String AccessibilityImageMapLink::nameForMSAA() const
+{
+    return accessibilityDescription();
+}
+
+} // namespace WebCore