Initial commit.

Wino.Core.Domain/Interfaces/IStatePersistenceService.cs

@@ -0,0 +1,47 @@
+using System;
+using System.ComponentModel;
+
+namespace Wino.Core.Domain.Interfaces
+{
+    public interface IStatePersistanceService : INotifyPropertyChanged
+    {
+        event EventHandler<string> StatePropertyChanged;
+
+        /// <summary>
+        /// True when there is an active renderer for selected mail.
+        /// </summary>
+        bool IsReadingMail { get; set; }
+
+        /// <summary>
+        /// Shell's app bar title string.
+        /// </summary>
+        string CoreWindowTitle { get; set; }
+
+        /// <summary>
+        /// When only reader page is visible in small sized window.
+        /// </summary>
+        bool IsReaderNarrowed { get; set; }
+
+        /// <summary>
+        /// Should display back button on the shell title bar.
+        /// </summary>
+        bool IsBackButtonVisible { get; }
+
+
+        /// <summary>
+        /// Setting: Opened pane length for the navigation view.
+        /// </summary>
+        double OpenPaneLength { get; set; }
+
+        /// <summary>
+        /// Whether the mail rendering page should be shifted from top to adjust the design
+        /// for standalone EML viewer or not.
+        /// </summary>
+        bool ShouldShiftMailRenderingDesign { get; set; }
+
+        /// <summary>
+        /// Setting: Mail list pane length for listing mails.
+        /// </summary>
+        double MailListPaneLength { get; set; }
+    }
+}