2015-02-26 01:33:59 -06:00
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_SCHEDULER_HXX
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#define INCLUDED_VCL_SCHEDULER_HXX
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#include <vcl/dllapi.h>
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struct ImplSVData;
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class Scheduler;
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struct ImplSchedulerData
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{
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ImplSchedulerData* mpNext; // Pointer to the next element in list
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2015-03-06 04:13:53 -06:00
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Scheduler* mpScheduler; // Pointer to VCL Scheduler instance
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bool mbDelete; // Destroy this scheduler?
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bool mbInScheduler; // Scheduler currently processed?
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2015-03-09 03:44:26 -05:00
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sal_uInt64 mnUpdateTime; // Last Update Time
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sal_uInt32 mnUpdateStack; // Update Stack
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2015-02-26 01:33:59 -06:00
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void Invoke();
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static ImplSchedulerData *GetMostImportantTask( bool bTimer );
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};
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enum class SchedulerPriority {
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HIGHEST = 0,
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HIGH = 1,
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RESIZE = 2,
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REPAINT = 3,
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2015-02-26 01:33:59 -06:00
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MEDIUM = 3,
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LOW = 4,
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LOWER = 5,
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LOWEST = 6
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};
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class VCL_DLLPUBLIC Scheduler
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{
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protected:
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ImplSchedulerData* mpSchedulerData; // Pointer to element in scheduler list
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SchedulerPriority mePriority; // Scheduler priority
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bool mbActive; // Currently in the scheduler
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friend struct ImplSchedulerData;
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virtual void SetDeletionFlags();
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virtual bool ReadyForSchedule( bool bTimer ) { return !bTimer; }
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virtual sal_uInt64 UpdateMinPeriod( sal_uInt64 nMinPeriod, sal_uInt64 nTime );
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2015-02-26 01:33:59 -06:00
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public:
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Scheduler();
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Scheduler( const Scheduler& rScheduler );
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virtual ~Scheduler();
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void SetPriority( SchedulerPriority ePriority );
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SchedulerPriority GetPriority() const { return mePriority; }
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2015-02-26 01:33:59 -06:00
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2015-03-06 04:13:53 -06:00
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// Call handler
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virtual void Invoke() = 0;
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virtual void Start();
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void Stop();
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2015-02-26 01:33:59 -06:00
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bool IsActive() const { return mbActive; }
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2015-05-06 03:34:28 -05:00
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void SetInActive() { mbActive = false; }
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2015-02-26 01:33:59 -06:00
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2015-03-05 08:05:15 -06:00
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Scheduler& operator=( const Scheduler& rScheduler );
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2015-02-26 01:33:59 -06:00
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static void ImplDeInitScheduler();
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2015-03-06 04:13:53 -06:00
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// Process one pending Timer with highhest priority
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2015-03-04 08:13:52 -06:00
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static void CallbackTaskScheduling( bool ignore );
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/// Process one pending task ahead of time with highhest priority.
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static void ProcessTaskScheduling( bool bTimer );
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};
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#endif // INCLUDED_VCL_SCHEDULER_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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