1 files changed, 105 insertions, 0 deletions
diff --git a/win/CS/HandBrakeWPF/Commands/CancelScanCommand.cs b/win/CS/HandBrakeWPF/Commands/CancelScanCommand.cs
new file mode 100644
index 000000000..617778b08
--- /dev/null
+++ b/win/CS/HandBrakeWPF/Commands/CancelScanCommand.cs
@@ -0,0 +1,105 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="CancelScanCommand.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>
+//   Command to cancel a scan that is in progress
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrakeWPF.Commands
+{
+    using System;
+    using System.Windows.Input;
+
+    using HandBrake.ApplicationServices.Services.Interfaces;
+
+    /// <summary>
+    /// Command to cancel a scan that is in progress
+    /// </summary>
+    public class CancelScanCommand : ICommand
+    {
+        /// <summary>
+        /// The scan service wrapper.
+        /// </summary>
+        private readonly IScanServiceWrapper scanServiceWrapper;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="CancelScanCommand"/> class.
+        /// </summary>
+        /// <param name="ssw">
+        /// The scan service wrapper.
+        /// </param>
+        public CancelScanCommand(IScanServiceWrapper ssw)
+        {
+            this.scanServiceWrapper = ssw;
+            this.scanServiceWrapper.ScanStared += this.ScanServiceWrapperScanStared;
+            this.scanServiceWrapper.ScanCompleted += this.ScanServiceWrapperScanCompleted;
+        }
+
+        /// <summary>
+        /// The scan service Scan Completed Event Handler.
+        /// Fires CanExecuteChanged
+        /// </summary>
+        /// <param name="sender">
+        /// The sender.
+        /// </param>
+        /// <param name="e">
+        /// The ScanCompletedEventArgs.
+        /// </param>
+        private void ScanServiceWrapperScanCompleted(object sender, HandBrake.ApplicationServices.EventArgs.ScanCompletedEventArgs e)
+        {
+            Caliburn.Micro.Execute.OnUIThread(() => this.CanExecuteChanged(sender, EventArgs.Empty));    
+        }
+
+        /// <summary>
+        /// The scan service scan started event handler.
+        /// Fires CanExecuteChanged
+        /// </summary>
+        /// <param name="sender">
+        /// The sender.
+        /// </param>
+        /// <param name="e">
+        /// The EventArgs.
+        /// </param>
+        private void ScanServiceWrapperScanStared(object sender, EventArgs e)
+        {
+            Caliburn.Micro.Execute.OnUIThread(() => this.CanExecuteChanged(sender, EventArgs.Empty));    
+        }
+
+        #region Implementation of ICommand
+
+        /// <summary>
+        /// Defines the method to be called when the command is invoked.
+        /// </summary>
+        /// <param name="parameter">Data used by the command.  If the command does not require data to be passed, this object can be set to null.</param>
+        public void Execute(object parameter)
+        {
+            this.scanServiceWrapper.Stop();
+        }
+
+        /// <summary>
+        /// Defines the method that determines whether the command can execute in its current state.
+        /// </summary>
+        /// <returns>
+        /// true if this command can be executed; otherwise, false.
+        /// </returns>
+        /// <param name="parameter">Data used by the command.  If the command does not require data to be passed, this object can be set to null.</param>
+        public bool CanExecute(object parameter)
+        {
+            if (this.scanServiceWrapper != null)
+            {
+                return this.scanServiceWrapper.IsScanning;
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// The can execute changed.
+        /// </summary>
+        public event EventHandler CanExecuteChanged;
+
+        #endregion
+    }
+}