summaryrefslogtreecommitdiffstats
path: root/slideshow/source/inc/pauseeventhandler.hxx
diff options
context:
space:
mode:
Diffstat (limited to 'slideshow/source/inc/pauseeventhandler.hxx')
-rw-r--r--slideshow/source/inc/pauseeventhandler.hxx63
1 files changed, 63 insertions, 0 deletions
diff --git a/slideshow/source/inc/pauseeventhandler.hxx b/slideshow/source/inc/pauseeventhandler.hxx
new file mode 100644
index 000000000..3d61d6ee1
--- /dev/null
+++ b/slideshow/source/inc/pauseeventhandler.hxx
@@ -0,0 +1,63 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_PAUSEEVENTHANDLER_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_INC_PAUSEEVENTHANDLER_HXX
+
+#include <memory>
+
+
+/* Definition of PauseHandler interface */
+
+namespace slideshow::internal
+ {
+
+ /** Interface for handling pause events.
+
+ Classes implementing this interface can be added to an
+ EventMultiplexer object, and are called from there to
+ handle pause events.
+ */
+ class PauseEventHandler
+ {
+ public:
+ /** Handle the event.
+
+ @param bPauseShow
+ When true, the show is paused. When false, the show is
+ started again
+
+ @return true, if this handler has successfully
+ processed the pause event. When this method returns
+ false, possibly other, less prioritized handlers are
+ called, too.
+ */
+ virtual bool handlePause( bool bPauseShow ) = 0;
+
+ protected:
+ ~PauseEventHandler() {}
+ };
+
+ typedef ::std::shared_ptr< PauseEventHandler > PauseEventHandlerSharedPtr;
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_INC_PAUSEEVENTHANDLER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */