Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 92 insertions, 0 deletions

diff --git a/svx/source/accessibility/AccessibleTextEventQueue.cxx b/svx/source/accessibility/AccessibleTextEventQueue.cxx
new file mode 100644
index 000000000..a39123c45
--- /dev/null
+++ b/svx/source/accessibility/AccessibleTextEventQueue.cxx
@@ -0,0 +1,92 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+#include <memory>
+#include "AccessibleTextEventQueue.hxx"
+
+#include <editeng/unoedhlp.hxx>
+#include <svx/svdmodel.hxx>
+#include <svx/svdpntv.hxx>
+
+namespace accessibility
+{
+
+
+    // EventQueue implementation
+
+
+    AccessibleTextEventQueue::AccessibleTextEventQueue()
+    {
+    }
+
+    AccessibleTextEventQueue::~AccessibleTextEventQueue()
+    {
+        Clear();
+    }
+
+    void AccessibleTextEventQueue::Append( const SdrHint& rHint )
+    {
+        // only enqueue the events we actually care about in
+        // AccessibleTextHelper_Impl::ProcessQueue(), because
+        // the cost of some events adds up.
+        auto eKind = rHint.GetKind();
+        if (eKind == SdrHintKind::BeginEdit
+            || eKind == SdrHintKind::EndEdit)
+            maEventQueue.push_back( new SdrHint( rHint ) );
+    }
+
+    void AccessibleTextEventQueue::Append( const TextHint& rHint )
+    {
+        maEventQueue.push_back( new TextHint( rHint ) );
+    }
+
+    void AccessibleTextEventQueue::Append( const SvxViewChangedHint& rHint )
+    {
+        maEventQueue.push_back( new SvxViewChangedHint( rHint ) );
+    }
+
+    void AccessibleTextEventQueue::Append( const SvxEditSourceHint& rHint )
+    {
+        maEventQueue.push_back( new SvxEditSourceHint( rHint ) );
+    }
+
+    ::std::unique_ptr< SfxHint > AccessibleTextEventQueue::PopFront()
+    {
+        ::std::unique_ptr< SfxHint > aRes( *(maEventQueue.begin()) );
+        maEventQueue.pop_front();
+        return aRes;
+    }
+
+    bool AccessibleTextEventQueue::IsEmpty() const
+    {
+        return maEventQueue.empty();
+    }
+
+    void AccessibleTextEventQueue::Clear()
+    {
+        // clear queue
+        for( auto p : maEventQueue)
+            delete p;
+        maEventQueue.clear();
+    }
+
+} // end of namespace accessibility
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */