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+/* -*- 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_VCL_IDLE_HXX
+#define INCLUDED_VCL_IDLE_HXX
+
+#include <vcl/timer.hxx>
+
+/**
+ * An idle is a timer to be scheduled immediately.
+ *
+ * It's - more or less - just a convenience class.
+ *
+ * Note: Despite the name, the timer is not necessarily invoked when idle.
+ * Use an idle priority such as TaskPriority::DEFAULT_IDLE to actually
+ * invoke the timer only when idle.
+ */
+class VCL_DLLPUBLIC Idle : public Timer
+{
+private:
+ // Delete all timeout specific functions, we don't want in an Idle
+ void SetTimeout( sal_uInt64 nTimeoutMs ) = delete;
+ sal_uInt64 GetTimeout() const = delete;
+
+protected:
+ virtual sal_uInt64 UpdateMinPeriod( sal_uInt64 nTimeNow ) const override;
+
+ Idle( bool bAuto, const char *pDebugName );
+
+public:
+ Idle( const char *pDebugName );
+
+ virtual void Start(bool bStartTimer = true) override;
+};
+
+/**
+ * An auto-idle is long running task processing small chunks of data, which
+ * is re-scheduled multiple times.
+ *
+ * Remember to stop the Idle when finished, as it would otherwise busy loop the CPU!
+ *
+ * It probably makes sense to re-implement ReadyForSchedule and UpdateMinPeriod,
+ * in case there is a quick check and it can otherwise sleep.
+ */
+class VCL_DLLPUBLIC AutoIdle : public Idle
+{
+public:
+ AutoIdle( const char *pDebugName );
+};
+
+
+#endif // INCLUDED_VCL_IDLE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */