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annotate Implab.Fx/ControlBoundPromise.cs @ 145:706fccb85524 v2

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RC: cancellation support for promises + tests
author cin
date Sun, 08 Mar 2015 02:52:27 +0300
parents f75cfa58e3d4
children 97fbbf816844
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1 using System.Windows.Forms;
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2 using System;
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3
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5 namespace Implab.Fx {
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6 public class ControlBoundPromise<T> : Promise<T> {
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7 readonly Control m_target;
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8
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9 public ControlBoundPromise(Control target) {
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10 Safe.ArgumentNotNull(target, "target");
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11
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12 m_target = target;
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13 }
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14
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15 protected override void SignalSuccess(Promise<T>.HandlerDescriptor handler) {
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16 if (m_target.InvokeRequired)
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17 m_target.BeginInvoke(new Action<Promise<T>.HandlerDescriptor>(base.SignalSuccess), handler);
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18 else
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19 base.SignalSuccess(handler);
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20 }
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22 protected override void SignalCancelled(Promise<T>.HandlerDescriptor handler, Exception reason) {
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23 if (m_target.InvokeRequired)
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24 m_target.BeginInvoke(new Action<Promise<T>.HandlerDescriptor,Exception>(base.SignalCancelled), handler, reason);
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25 else
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26 base.SignalCancelled(handler, reason);
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27 }
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29 protected override void SignalError(Promise<T>.HandlerDescriptor handler, Exception error) {
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30 if (m_target.InvokeRequired)
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31 m_target.BeginInvoke(new Action<Promise<T>.HandlerDescriptor,Exception>(base.SignalError), handler, error);
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32 else
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33 base.SignalError(handler, error);
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34 }
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36 }
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37 }
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