Split common and GUI code into separate projects

RedBookPlayer.GUI/Settings.cs

@@ -0,0 +1,193 @@
+using System;
+using System.IO;
+using System.Text.Json;
+using Avalonia.Input;
+using RedBookPlayer.GUI;
+
+namespace RedBookPlayer.GUI
+{
+    public class Settings
+    {
+        #region Player Settings
+
+        /// <summary>
+        /// Indicates if discs should start playing on load
+        /// </summary>
+        public bool AutoPlay { get; set; } = false;
+
+        /// <summary>
+        /// Indicates if an index change can trigger a track change
+        /// </summary>
+        public bool IndexButtonChangeTrack { get; set; } = false;
+
+        /// <summary>
+        /// Indicates if the index 0 of track 1 is treated like a hidden track
+        /// </summary>
+        public bool AllowSkipHiddenTrack { get; set; } = false;
+
+        /// <summary>
+        /// Indicates if data tracks should be played like old, non-compliant players
+        /// </summary>
+        public bool PlayDataTracks { get; set; } = false;
+
+        /// <summary>
+        /// Generate a TOC if the disc is missing one
+        /// </summary>
+        public bool GenerateMissingTOC { get; set; } = true;
+
+        /// <summary>
+        /// Indicates the default playback volume
+        /// </summary>
+        public int Volume
+        {
+            get => _volume;
+            set
+            {
+                if(value > 100)
+                    _volume = 100;
+                else if(value < 0)
+                    _volume = 0;
+                else
+                    _volume = value;
+            }
+        }
+
+        /// <summary>
+        /// Indicates the currently selected theme
+        /// </summary>
+        public string SelectedTheme { get; set; } = "default";
+
+        #endregion
+
+        #region Key Mappings
+
+        /// <summary>
+        /// Key assigned to open settings
+        /// </summary>
+        public Key OpenSettingsKey { get; set; } = Key.F1;
+
+        /// <summary>
+        /// Key assigned to load a new image
+        /// </summary>
+        public Key LoadImageKey { get; set; } = Key.F2;
+
+        /// <summary>
+        /// Key assigned to toggle play and pause
+        /// </summary>
+        public Key TogglePlaybackKey { get; set; } = Key.Space;
+
+        /// <summary>
+        /// Key assigned to stop playback
+        /// </summary>
+        public Key StopPlaybackKey { get; set; } = Key.Escape;
+
+        /// <summary>
+        /// Key assigned to move to the next track
+        /// </summary>
+        public Key NextTrackKey { get; set; } = Key.Right;
+
+        /// <summary>
+        /// Key assigned to move to the previous track
+        /// </summary>
+        public Key PreviousTrackKey { get; set; } = Key.Left;
+
+        /// <summary>
+        /// Key assigned to move to the next index
+        /// </summary>
+        public Key NextIndexKey { get; set; } = Key.OemCloseBrackets;
+
+        /// <summary>
+        /// Key assigned to move to the previous index
+        /// </summary>
+        public Key PreviousIndexKey { get; set; } = Key.OemOpenBrackets;
+
+        /// <summary>
+        /// Key assigned to fast forward playback
+        /// </summary>
+        public Key FastForwardPlaybackKey { get; set; } = Key.OemPeriod;
+
+        /// <summary>
+        /// Key assigned to rewind playback
+        /// </summary>
+        public Key RewindPlaybackKey { get; set; } = Key.OemComma;
+
+        /// <summary>
+        /// Key assigned to raise volume
+        /// </summary>
+        public Key VolumeUpKey { get; set; } = Key.Add;
+
+        /// <summary>
+        /// Key assigned to lower volume
+        /// </summary>
+        public Key VolumeDownKey { get; set; } = Key.Subtract;
+
+        /// <summary>
+        /// Key assigned to toggle mute
+        /// </summary>
+        public Key ToggleMuteKey { get; set; } = Key.M;
+
+        /// <summary>
+        /// Key assigned to toggle de-emphasis
+        /// </summary>
+        public Key ToggleDeEmphasisKey { get; set; } = Key.E;
+
+        #endregion
+
+        /// <summary>
+        /// Path to the settings file
+        /// </summary>
+        private string _filePath;
+
+        /// <summary>
+        /// Internal value for the volume
+        /// </summary>
+        private int _volume = 100;
+
+        public Settings() {}
+
+        public Settings(string filePath) => _filePath = filePath;
+
+        /// <summary>
+        /// Load settings from a file
+        /// </summary>
+        /// <param name="filePath">Path to the settings JSON file</param>
+        /// <returns>Settings derived from the input file, if possible</returns>
+        public static Settings Load(string filePath)
+        {
+            if(File.Exists(filePath))
+            {
+                try
+                {
+                    Settings settings = JsonSerializer.Deserialize<Settings>(File.ReadAllText(filePath));
+                    settings._filePath = filePath;
+
+                    MainWindow.ApplyTheme(settings.SelectedTheme);
+
+                    return settings;
+                }
+                catch(JsonException)
+                {
+                    Console.WriteLine("Couldn't parse settings, reverting to default");
+
+                    return new Settings(filePath);
+                }
+            }
+
+            return new Settings(filePath);
+        }
+
+        /// <summary>
+        /// Save settings to a file
+        /// </summary>
+        public void Save()
+        {
+            var options = new JsonSerializerOptions
+            {
+                WriteIndented = true
+            };
+
+            string json = JsonSerializer.Serialize(this, options);
+            File.WriteAllText(_filePath, json);
+        }
+    }
+}