项目结构调整

Others/Fluent.Ribbon/Fluent.Ribbon/IRibbonStateStorage.cs

@@ -0,0 +1,48 @@
+namespace Fluent
+{
+    using System;
+
+    /// <summary>
+    /// Interface for handling loading and saving the state of a <see cref="Ribbon"/>.
+    /// </summary>
+    public interface IRibbonStateStorage : IDisposable
+    {
+        /// <summary>
+        /// Gets whether state is currently loading.
+        /// </summary>
+        bool IsLoading { get; }
+
+        /// <summary>
+        /// Gets or sets whether state is loaded.
+        /// </summary>
+        bool IsLoaded { get; }
+
+        /// <summary>
+        /// Save current state to a temporary storage.
+        /// </summary>
+        void SaveTemporary();
+
+        /// <summary>
+        /// Save current state to a persistent storage.
+        /// </summary>
+        void Save();
+
+        /// <summary>
+        /// Load state from a temporary storage.
+        /// </summary>
+        void LoadTemporary();
+
+        /// <summary>
+        /// Loads the state from a persistent storage.
+        /// </summary>
+        /// <remarks>
+        /// Sets <see cref="RibbonStateStorage.IsLoaded" /> after it's finished to prevent a race condition with saving the state to the temporary storage.
+        /// </remarks>
+        void Load();
+
+        /// <summary>
+        /// Resets saved state.
+        /// </summary>
+        void Reset();
+    }
+}