1 files changed, 152 insertions, 0 deletions
diff --git a/win/CS/HandBrakeWPF/ViewModels/CountdownAlertViewModel.cs b/win/CS/HandBrakeWPF/ViewModels/CountdownAlertViewModel.cs
new file mode 100644
index 000000000..ca8901c7c
--- /dev/null
+++ b/win/CS/HandBrakeWPF/ViewModels/CountdownAlertViewModel.cs
@@ -0,0 +1,152 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="CountdownAlertViewModel.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>
+//   The Countdown Alert View Model
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrakeWPF.ViewModels
+{
+    using System;
+    using System.Windows.Forms.VisualStyles;
+    using System.Windows.Threading;
+
+    using HandBrakeWPF.ViewModels.Interfaces;
+
+    /// <summary>
+    ///  The Countdown Alert View Model
+    /// </summary>
+    public class CountdownAlertViewModel : ViewModelBase, ICountdownAlertViewModel
+    {
+        #region Private Fields
+
+        /// <summary>
+        /// The countdown time.
+        /// </summary>
+        private const int CountdownTime = 60;
+
+        /// <summary>
+        /// The action.
+        /// </summary>
+        private string action;
+
+        /// <summary>
+        /// The timer.
+        /// </summary>
+        private DispatcherTimer timer;
+
+        #endregion
+
+        #region Constructors and Destructors
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="CountdownAlertViewModel"/> class.
+        /// </summary>
+        public CountdownAlertViewModel()
+        {
+            this.IsCancelled = false;
+
+            Caliburn.Micro.Execute.OnUIThread(
+                () =>
+                {
+                    timer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(1) };
+                    timer.Tick += this.timer_Tick;
+
+                    timer.Start();
+                });
+        }
+
+        #endregion
+
+        #region Public Properties
+
+        /// <summary>
+        /// Gets or sets a value indicating whether is cancelled.
+        /// </summary>
+        public bool IsCancelled { get; set; }
+
+        /// <summary>
+        /// Gets the notice message.
+        /// </summary>
+        public string NoticeMessage
+        {
+            get
+            {
+                return string.Format("The following action '{0}' will occur in {1} seconds.", action, CountdownTime - this.Ticks);
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the ticks.
+        /// </summary>
+        public int Ticks { get; set; }
+
+        #endregion
+
+        #region Public Methods and Operators
+
+        /// <summary>
+        /// The cancel.
+        /// </summary>
+        public void Cancel()
+        {
+            this.IsCancelled = true;
+            timer.Stop();
+            this.Ticks = 0;
+            this.TryClose();
+        }
+
+        /// <summary>
+        /// The proceed.
+        /// </summary>
+        public void Proceed()
+        {
+            this.IsCancelled = false;
+            timer.Stop();
+            this.Ticks = 0;
+            this.TryClose();
+        }
+
+        /// <summary>
+        /// The set action.
+        /// </summary>
+        /// <param name="actionMsg">
+        /// The action.
+        /// </param>
+        public void SetAction(string actionMsg)
+        {
+            this.Ticks = 0;
+            timer.Start();
+            this.action = actionMsg;
+        }
+
+        #endregion
+
+        #region Methods
+
+        /// <summary>
+        /// The timer_ tick.
+        /// </summary>
+        /// <param name="sender">
+        /// The sender.
+        /// </param>
+        /// <param name="e">
+        /// The e.
+        /// </param>
+        private void timer_Tick(object sender, EventArgs e)
+        {
+            this.Ticks = this.Ticks + 1;
+            this.NotifyOfPropertyChange(() => this.NoticeMessage);
+            if (this.Ticks > CountdownTime)
+            {
+                timer.Stop();
+                this.Ticks = 0;
+                this.TryClose();
+            }
+        }
+
+        #endregion
+    }
+}
+\ No newline at end of file