plugins/dali-sharp/sharp/internal/DisposeQueue.cs

   1 // Copyright (c) 2017 Samsung Electronics Co., Ltd All Rights Reserved
   2 // PROPRIETARY/CONFIDENTIAL
   3 // This software is the confidential and proprietary
   4 // information of SAMSUNG ELECTRONICS ("Confidential Information"). You shall
   5 // not disclose such Confidential Information and shall use it only in
   6 // accordance with the terms of the license agreement you entered into with
   7 // SAMSUNG ELECTRONICS.
   8 //
   9
  10 using System;
  11 using System.Collections.Generic;
  12
  13 namespace Dali
  14 {
  15     public class DisposeQueue
  16     {
  17         private static readonly DisposeQueue _disposableQueue = new DisposeQueue();
  18         private List<IDisposable> _disposables = new List<IDisposable>();
  19         private Object _listLock = new object();
  20         private EventThreadCallback _eventThreadCallback;
  21         private EventThreadCallback.CallbackDelegate _disposeQueueProcessDisposablesDelegate;
  22
  23         private DisposeQueue()
  24         {
  25         }
  26
  27         ~DisposeQueue()
  28         {
  29         }
  30
  31         public static DisposeQueue Instance
  32         {
  33             get { return _disposableQueue; }
  34         }
  35
  36         public void Initialize()
  37         {
  38             _disposeQueueProcessDisposablesDelegate = new EventThreadCallback.CallbackDelegate(ProcessDisposables);
  39             _eventThreadCallback = new EventThreadCallback(_disposeQueueProcessDisposablesDelegate);
  40         }
  41
  42         public void Add(IDisposable disposable)
  43         {
  44             lock (_listLock)
  45             {
  46                 _disposables.Add(disposable);
  47             }
  48
  49             _eventThreadCallback.Trigger();
  50         }
  51
  52         private void ProcessDisposables()
  53         {
  54             lock (_listLock)
  55             {
  56                 foreach (IDisposable disposable in _disposables)
  57                 {
  58                     disposable.Dispose();
  59                 }
  60                 _disposables.Clear();
  61             }
  62         }
  63     }
  64 }