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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.
 */
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 bool ReadyForSchedule( bool bIdle, sal_uInt64 nTimeNow ) const override;
    virtual bool IsIdle() const override;
    virtual sal_uInt64 UpdateMinPeriod( sal_uInt64 nMinPeriod, sal_uInt64 nTimeNow ) const override;

    Idle( bool bAuto, const sal_Char *pDebugName = nullptr );

public:
    Idle( const sal_Char *pDebugName = nullptr );

    virtual void  Start() override;

    /**
     * Convenience function for more readable code
     *
     * TODO: actually rename it and it's instances to SetInvokeHandler
     */
    inline void   SetIdleHdl( const Link<Idle *, void>& rLink );
};

inline void Idle::SetIdleHdl( const Link<Idle*, void> &rLink )
{
    SetInvokeHandler( Link<Timer*, void>( rLink.GetInstance(),
        reinterpret_cast< Link<Timer*, void>::Stub* >( rLink.GetFunction()) ) );
}

#endif // INCLUDED_VCL_IDLE_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */