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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="IsolatedScanService.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// Isolated Scan Service
// This is an implementation of the IScan implementation that runs scans on a seperate process
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrake.ApplicationServices.Isolation
{
using System;
using System.Threading;
using HandBrake.ApplicationServices.EventArgs;
using HandBrake.ApplicationServices.Exceptions;
using HandBrake.ApplicationServices.Parsing;
using HandBrake.ApplicationServices.Services.Interfaces;
/// <summary>
/// Isolated Scan Service.
/// This is an implementation of the IScan implementation that runs scans on a seperate process
/// </summary>
public class IsolatedScanService : BackgroundServiceConnector, IScan
{
#region Constants and Fields
/// <summary>
/// The post action.
/// </summary>
private Action<bool> postScanAction;
#endregion
#region Events
/// <summary>
/// The scan completed.
/// </summary>
public event ScanCompletedStatus ScanCompleted;
/// <summary>
/// The scan stared.
/// </summary>
public event EventHandler ScanStared;
/// <summary>
/// The scan status changed.
/// </summary>
public event ScanProgessStatus ScanStatusChanged;
#endregion
/// <summary>
/// Initializes a new instance of the <see cref="IsolatedScanService"/> class.
/// </summary>
/// <param name="port">
/// The port.
/// </param>
public IsolatedScanService(string port)
{
try
{
if (this.CanConnect())
{
this.Connect(port);
}
}
catch (Exception exception)
{
throw new GeneralApplicationException("Unable to connect to scan worker process.", "Try restarting HandBrake", exception);
}
}
#region Properties
/// <summary>
/// Gets ActivityLog.
/// </summary>
public string ActivityLog
{
get
{
return this.Service.ScanActivityLog;
}
}
/// <summary>
/// Gets a value indicating whether IsScanning.
/// </summary>
public bool IsScanning
{
get
{
return this.Service.IsScanning;
}
}
/// <summary>
/// Gets the Souce Data.
/// </summary>
public Source SouceData
{
get
{
return this.Service.SouceData;
}
}
#endregion
#region Public Methods
/// <summary>
/// The scan completed callback.
/// </summary>
/// <param name="eventArgs">
/// The event args.
/// </param>
public override void ScanCompletedCallback(ScanCompletedEventArgs eventArgs)
{
if (this.postScanAction != null)
{
this.postScanAction(true);
}
if (this.ScanCompleted != null)
{
ThreadPool.QueueUserWorkItem(delegate { this.ScanCompleted(this, eventArgs); });
}
base.ScanCompletedCallback(eventArgs);
}
/// <summary>
/// The scan progress callback.
/// </summary>
/// <param name="eventArgs">
/// The event args.
/// </param>
public override void ScanProgressCallback(ScanProgressEventArgs eventArgs)
{
if (this.ScanStatusChanged != null)
{
ThreadPool.QueueUserWorkItem(delegate { this.ScanStatusChanged(this, eventArgs); });
}
base.ScanProgressCallback(eventArgs);
}
/// <summary>
/// The scan started callback.
/// </summary>
public override void ScanStartedCallback()
{
if (this.ScanStared != null)
{
ThreadPool.QueueUserWorkItem(delegate { this.ScanStared(this, EventArgs.Empty); });
}
base.ScanStartedCallback();
}
#endregion
#region Implemented Interfaces
#region IScan
/// <summary>
/// Take a Scan Log file, and process it as if it were from the CLI.
/// </summary>
/// <param name="path">
/// The path to the log file.
/// </param>
public void DebugScanLog(string path)
{
throw new NotImplementedException("Not available in process isolation mode!");
}
/// <summary>
/// Scan a Source Path.
/// Title 0: scan all
/// </summary>
/// <param name="sourcePath">
/// Path to the file to scan
/// </param>
/// <param name="title">
/// int title number. 0 for scan all
/// </param>
/// <param name="previewCount">
/// The preview Count.
/// </param>
/// <param name="postAction">
/// The post Action.
/// </param>
public void Scan(string sourcePath, int title, int previewCount, Action<bool> postAction)
{
this.postScanAction = postAction;
this.Service.ScanSource(sourcePath, title, previewCount);
}
/// <summary>
/// Kill the scan
/// </summary>
public void Stop()
{
this.Service.StopScan();
}
#endregion
#endregion
}
}
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