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import com.sun.star.uno.UnoRuntime;
import com.sun.star.accessibility.XAccessible;
import com.sun.star.accessibility.XAccessibleContext;
import com.sun.star.accessibility.AccessibleRelation;
import com.sun.star.accessibility.XAccessibleRelationSet;
import com.sun.star.accessibility.AccessibleRelationType;
import com.sun.star.lang.XServiceInfo;
import com.sun.star.lang.XTypeProvider;
import com.sun.star.uno.Type;
/** This handler displays lower level UNO information. These are the
supported services, interfaces, and the implementation name.
*/
class AccessibleUNOHandler
extends NodeHandler
{
public NodeHandler createHandler (XAccessibleContext xContext)
{
if (xContext == null)
return null;
else
return new AccessibleUNOHandler (xContext);
}
public AccessibleUNOHandler()
{
}
public AccessibleUNOHandler (XAccessibleContext xContext)
{
maChildList.setSize (3);
}
private XServiceInfo GetServiceInfo (AccessibleTreeNode aNode)
{
XServiceInfo xServiceInfo = null;
if (aNode instanceof AccTreeNode)
xServiceInfo = (XServiceInfo)UnoRuntime.queryInterface(
XServiceInfo.class, ((AccTreeNode)aNode).getContext());
return xServiceInfo;
}
private XTypeProvider GetTypeProvider (AccessibleTreeNode aNode)
{
XTypeProvider xTypeProvider = null;
if (aNode instanceof AccTreeNode)
xTypeProvider = (XTypeProvider)UnoRuntime.queryInterface(
XTypeProvider.class, ((AccTreeNode)aNode).getContext());
return xTypeProvider;
}
public AccessibleTreeNode createChild (AccessibleTreeNode aParent,
int nIndex)
{
AccessibleTreeNode aChild = null;
XServiceInfo xServiceInfo;
switch (nIndex)
{
case 0 : // Implemenation name.
xServiceInfo = GetServiceInfo (aParent);
aChild = new StringNode ("Implementation name: " +
(xServiceInfo!=null ? xServiceInfo.getImplementationName()
: "<XServiceInfo not supported>"),
aParent);
break;
case 1 :
xServiceInfo = GetServiceInfo (aParent);
if (xServiceInfo == null)
aChild = new StringNode (
"Supported services: <XServiceInfo not supported>",
aParent);
else
aChild = CreateServiceTree (aParent, xServiceInfo);
break;
case 2 :
XTypeProvider xTypeProvider = GetTypeProvider (aParent);
if (xTypeProvider == null)
aChild = new StringNode (
"Supported interfaces: <XTypeProvider not supported>",
aParent);
else
aChild = CreateInterfaceTree (aParent, xTypeProvider);
break;
}
return aChild;
}
private AccessibleTreeNode CreateServiceTree (AccessibleTreeNode aParent,
XServiceInfo xServiceInfo)
{
String[] aServiceNames = xServiceInfo.getSupportedServiceNames();
VectorNode aNode = new VectorNode ("Supported Services", aParent);
int nCount = aServiceNames.length;
for (int i=0; i<nCount; i++)
aNode.addChild (new StringNode (aServiceNames[i], aParent));
return aNode;
}
private AccessibleTreeNode CreateInterfaceTree (AccessibleTreeNode aParent,
XTypeProvider xTypeProvider)
{
Type[] aTypes = xTypeProvider.getTypes();
VectorNode aNode = new VectorNode ("Supported Interfaces", aParent);
int nCount = aTypes.length;
for (int i=0; i<nCount; i++)
aNode.addChild (new StringNode (aTypes[i].getTypeName(), aParent));
return aNode;
}
}
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