Zzz – Blame information for rev 1
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1 | office | 1 | using System; |
2 | using System.Collections.Generic; |
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3 | using System.Linq; |
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4 | using System.Threading; |
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5 | using System.Threading.Tasks; |
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6 | using Serilog; |
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7 | using Zzz.Properties; |
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8 | using Zzz.Utilities; |
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9 | |||
10 | namespace Zzz.Idle |
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11 | { |
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12 | public class WindowPresence : IDisposable |
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13 | { |
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14 | #region Public Events & Delegates |
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15 | |||
16 | public event EventHandler<EventArgs> WindowDetected; |
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17 | |||
18 | #endregion |
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19 | |||
20 | #region Private Delegates, Events, Enums, Properties, Indexers and Fields |
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21 | |||
22 | private readonly CancellationToken _cancellationToken; |
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23 | |||
24 | private readonly Task _scanTask; |
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25 | |||
26 | private CancellationTokenSource _cancellationTokenSource; |
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27 | private Configuration.Configuration _configuration; |
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28 | |||
29 | #endregion |
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30 | |||
31 | #region Constructors, Destructors and Finalizers |
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32 | |||
33 | public WindowPresence(Configuration.Configuration configuration) : this() |
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34 | { |
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35 | _configuration = configuration; |
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36 | } |
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37 | |||
38 | private WindowPresence() |
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39 | { |
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40 | _cancellationTokenSource = new CancellationTokenSource(); |
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41 | _cancellationToken = _cancellationTokenSource.Token; |
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42 | |||
43 | _scanTask = Scan(_cancellationToken); |
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44 | } |
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45 | |||
46 | public void Dispose() |
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47 | { |
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48 | _cancellationTokenSource?.Cancel(); |
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49 | |||
50 | _scanTask.Wait(CancellationToken.None); |
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51 | |||
52 | _cancellationTokenSource = null; |
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53 | } |
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54 | |||
55 | #endregion |
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56 | |||
57 | #region Private Methods |
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58 | |||
59 | private async Task Scan(CancellationToken cancellationToken) |
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60 | { |
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61 | try |
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62 | { |
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63 | do |
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64 | { |
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65 | try |
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66 | { |
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67 | await Task.Delay(TimeSpan.FromMinutes((int) _configuration.Timeout), cancellationToken); |
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68 | |||
69 | foreach (var title in RefreshWindows()) |
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70 | { |
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71 | if (!_configuration.WindowsWatchList.Contains(title)) |
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72 | { |
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73 | continue; |
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74 | } |
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75 | |||
76 | WindowDetected?.Invoke(this, EventArgs.Empty); |
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77 | } |
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78 | } |
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79 | catch (Exception ex) |
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80 | { |
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81 | Log.Warning(ex, "Window scan failure."); |
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82 | } |
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83 | } while (!cancellationToken.IsCancellationRequested); |
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84 | } |
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85 | catch (Exception ex) |
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86 | { |
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87 | Log.Warning(ex, "Window scan thread terminated."); |
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88 | } |
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89 | } |
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90 | |||
91 | private static IEnumerable<string> RefreshWindows() |
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92 | { |
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93 | return Helpers.FindWindows((window, param) => true).Select(Helpers.GetWindowTitle) |
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94 | .Where(title => !string.IsNullOrEmpty(title)); |
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95 | } |
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96 | |||
97 | #endregion |
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98 | } |
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99 | } |