vcl/source/app/idle.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <vcl/idle.hxx>
  21 #include "saltimer.hxx"
  22
  23 Idle::Idle( bool bAuto, const sal_Char *pDebugName )
  24     : Timer( bAuto, pDebugName )
  25 {
  26     SetPriority( TaskPriority::DEFAULT_IDLE );
  27 }
  28
  29 Idle::Idle( const sal_Char *pDebugName )
  30     : Idle( false, pDebugName )
  31 {
  32 }
  33
  34 void Idle::Start()
  35 {
  36     Task::Start();
  37
  38     sal_uInt64 nPeriod = Scheduler::ImmediateTimeoutMs;
  39     if (Scheduler::GetDeterministicMode())
  40     {
  41         switch ( GetPriority() )
  42         {
  43             case TaskPriority::LOW:
  44             case TaskPriority::LOWER:
  45             case TaskPriority::LOWEST:
  46                 nPeriod = Scheduler::InfiniteTimeoutMs;
  47                 break;
  48             default:
  49                 break;
  50         }
  51     }
  52
  53     Task::StartTimer(nPeriod);
  54 }
  55
  56 bool Idle::ReadyForSchedule( bool bIdle, sal_uInt64 /* nTimeNow */ ) const
  57 {
  58     // always ready if not only looking for timers.
  59     return bIdle;
  60 }
  61
  62 bool Idle::IsIdle() const
  63 {
  64     return true;
  65 }
  66
  67 sal_uInt64 Idle::UpdateMinPeriod( sal_uInt64 /* nMinPeriod */, sal_uInt64 /* nTimeNow */ ) const
  68 {
  69     assert(false); // idles currently don't hit this.
  70     return Scheduler::ImmediateTimeoutMs;
  71 }
  72
  73 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */