mirror of
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92 lines
3.3 KiB
C#
92 lines
3.3 KiB
C#
using System;
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using System.ComponentModel;
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using System.Deployment.Application;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.ClickOnce
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{
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/// <summary>
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/// Class ApplicationUpdater
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/// </summary>
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public class ApplicationUpdater
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{
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/// <summary>
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/// The _task completion source
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/// </summary>
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private TaskCompletionSource<AsyncCompletedEventArgs> _taskCompletionSource;
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/// <summary>
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/// The _progress
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/// </summary>
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private IProgress<double> _progress;
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/// <summary>
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/// Updates the application
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/// </summary>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress.</param>
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/// <returns>Task{AsyncCompletedEventArgs}.</returns>
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/// <exception cref="System.InvalidOperationException">Current deployment is not network deployed.</exception>
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public Task<AsyncCompletedEventArgs> UpdateApplication(CancellationToken cancellationToken, IProgress<double> progress)
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{
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if (!ApplicationDeployment.IsNetworkDeployed)
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{
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throw new InvalidOperationException("Current deployment is not network deployed.");
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}
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_progress = progress;
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_taskCompletionSource = new TaskCompletionSource<AsyncCompletedEventArgs>();
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var deployment = ApplicationDeployment.CurrentDeployment;
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cancellationToken.Register(deployment.UpdateAsyncCancel);
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cancellationToken.ThrowIfCancellationRequested();
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deployment.UpdateCompleted += deployment_UpdateCompleted;
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deployment.UpdateProgressChanged += deployment_UpdateProgressChanged;
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deployment.UpdateAsync();
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return _taskCompletionSource.Task;
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}
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/// <summary>
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/// Handles the UpdateCompleted event of the deployment control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="AsyncCompletedEventArgs" /> instance containing the event data.</param>
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void deployment_UpdateCompleted(object sender, AsyncCompletedEventArgs e)
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{
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var deployment = ApplicationDeployment.CurrentDeployment;
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deployment.UpdateCompleted -= deployment_UpdateCompleted;
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deployment.UpdateProgressChanged -= deployment_UpdateProgressChanged;
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if (e.Error != null)
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{
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_taskCompletionSource.SetException(e.Error);
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}
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else if (e.Cancelled)
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{
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_taskCompletionSource.SetCanceled();
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}
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else
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{
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_taskCompletionSource.SetResult(e);
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}
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}
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/// <summary>
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/// Handles the UpdateProgressChanged event of the deployment control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="DeploymentProgressChangedEventArgs" /> instance containing the event data.</param>
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void deployment_UpdateProgressChanged(object sender, DeploymentProgressChangedEventArgs e)
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{
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_progress.Report(e.ProgressPercentage);
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}
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}
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}
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