1 files changed, 93 insertions, 0 deletions
diff --git a/sfx2/source/sidebar/AsynchronousCall.cxx b/sfx2/source/sidebar/AsynchronousCall.cxx
new file mode 100755
index 000000000000..9704d989a731
--- /dev/null
+++ b/sfx2/source/sidebar/AsynchronousCall.cxx
@@ -0,0 +1,93 @@
+/**************************************************************
+ *
+ * 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 "precompiled_sfx2.hxx"
+
+#include "AsynchronousCall.hxx"
+
+#include <vcl/svapp.hxx>
+
+
+namespace sfx2 { namespace sidebar {
+
+AsynchronousCall::AsynchronousCall (const Action& rAction)
+    : maAction(rAction),
+      mnCallId(0)
+{
+}
+
+
+
+
+AsynchronousCall::~AsynchronousCall (void)
+{
+    CancelRequest();
+}
+
+
+
+
+void AsynchronousCall::RequestCall (const Action& rAction)
+{
+    CancelRequest();
+    maAction = rAction;
+    RequestCall();
+}
+
+
+
+
+void AsynchronousCall::RequestCall (void)
+{
+    if (mnCallId == 0)
+    {
+        Link aLink (LINK(this, AsynchronousCall, HandleUserCall));
+        mnCallId = Application::PostUserEvent(aLink);
+    }
+}
+
+
+
+
+void AsynchronousCall::CancelRequest (void)
+{
+    if (mnCallId != 0)
+    {
+        Application::RemoveUserEvent(mnCallId);
+        mnCallId = -1;
+    }
+}
+
+
+
+
+IMPL_LINK(AsynchronousCall, HandleUserCall, void*, EMPTYARG )
+{
+    mnCallId = 0;
+    if (maAction)
+        maAction();
+
+    return sal_True;
+}
+
+
+} } // end of namespace sfx2::sidebar
+