Integrate branch of IAccessible2

Just the winaccessibility directory initially.

Change-Id: Ia21abb8d7088646ad6c1f83b3a03e7add716b0c0

1 files changed, 152 insertions, 0 deletions

diff --git a/winaccessibility/source/service/AccWindowEventListener.cxx b/winaccessibility/source/service/AccWindowEventListener.cxx
new file mode 100644
index 000000000000..7f9e3ba99494
--- /dev/null
+++ b/winaccessibility/source/service/AccWindowEventListener.cxx
@@ -0,0 +1,152 @@
+/**************************************************************
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ *************************************************************/
+
+#include <com/sun/star/accessibility/XAccessible.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
+
+#include "AccWindowEventListener.hxx"
+#include "AccObjectManagerAgent.hxx"
+#include "unomsaaevent.hxx"
+
+using namespace com::sun::star::uno;
+using namespace com::sun::star::accessibility;
+
+AccWindowEventListener::AccWindowEventListener(com::sun::star::accessibility::XAccessible* pAcc, AccObjectManagerAgent* Agent)
+        :AccEventListener(pAcc, Agent)
+{}
+AccWindowEventListener::~AccWindowEventListener()
+{
+}
+
+/**
+ *  Uno's event notifier when event is captured
+ *  @param AccessibleEventObject: the event object which contains information about event
+ */
+void  AccWindowEventListener::notifyEvent( const ::com::sun::star::accessibility::AccessibleEventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException)
+{
+    switch (aEvent.EventId)
+    {
+    case AccessibleEventId::CHILD:
+        handleChildChangedEvent(aEvent.OldValue, aEvent.NewValue);
+        break;
+    case AccessibleEventId::VISIBLE_DATA_CHANGED:
+        handleVisibleDataChangedEvent();
+        break;
+    case AccessibleEventId::BOUNDRECT_CHANGED:
+        handleBoundrectChangedEvent();
+        break;
+    default:
+        AccEventListener::notifyEvent(aEvent);
+        break;
+    }
+}
+
+/**
+ *  handle the VISIBLE_DATA_CHANGED event
+ */
+void AccWindowEventListener::handleVisibleDataChangedEvent()
+{
+    AccEventListener::handleVisibleDataChangedEvent();
+}
+
+/**
+ *  handle the BOUNDRECT_CHANGED event
+ */
+void AccWindowEventListener::handleBoundrectChangedEvent()
+{
+    AccEventListener::handleBoundrectChangedEvent();
+}
+
+/**
+ *  handle the CHILD event
+ *  @param  oldValue    the child to be deleted
+ *  @param  newValue    the child to be added
+ */
+void AccWindowEventListener::handleChildChangedEvent(Any oldValue, Any newValue)
+{
+    Reference< XAccessible > xChild;
+    if( newValue >>= xChild)
+    {
+        //create a new child
+        if(xChild.is())
+        {
+            XAccessible* pAcc = xChild.get();
+            //add this child
+            pAgent->InsertAccObj( pAcc,pAccessible);
+            //add all oldValue's existing children
+            pAgent->InsertChildrenAccObj(pAcc);
+            pAgent->NotifyAccEvent(UM_EVENT_CHILD_ADDED, pAcc);
+        }
+        else
+        {}
+    }
+    else if (oldValue >>= xChild)
+    {
+        //delete a existing child
+        if(xChild.is())
+        {
+            XAccessible* pAcc = xChild.get();
+            pAgent->NotifyAccEvent(UM_EVENT_CHILD_REMOVED, pAcc);
+            pAgent->DeleteChildrenAccObj( pAcc );
+            //delete this child
+            pAgent->DeleteAccObj( pAcc );
+        }
+        else
+        {}
+    }
+}
+
+/**
+ *  set the new state and fire the MSAA event
+ *  @param state    new state id
+ *  @param enable   true if state is set, false if state is unset
+ */
+void AccWindowEventListener::setComponentState(short state, bool enable )
+{
+    // only the following state can be fired state event.
+    switch (state)
+    {
+    case AccessibleStateType::ICONIFIED:
+        // no msaa state
+        break;
+    case AccessibleStateType::VISIBLE:
+        // UNO !VISIBLE == MSAA INVISIBLE
+        if( enable )
+            pAgent->IncreaseState( pAccessible, AccessibleStateType::VISIBLE );
+        else
+            pAgent->DecreaseState( pAccessible, AccessibleStateType::VISIBLE );
+        break;
+    case AccessibleStateType::SHOWING:
+        // UNO !SHOWING == MSAA OFFSCREEN
+        if( enable )
+        {
+            pAgent->IncreaseState( pAccessible, AccessibleStateType::SHOWING );
+        }
+        else
+            pAgent->DecreaseState( pAccessible, AccessibleStateType::SHOWING );
+        break;
+    default:
+        break;
+    }
+}