Add a class for app preferences

src/Makefile.am

@@ -7,6 +7,7 @@ spek_SOURCES = \
 	spek-message-bar.vala \
 	spek-pipeline.vala \
 	spek-platform.c \
+	spek-preferences.vala \
 	spek-ruler.vala \
 	spek-spectrogram.vala \
 	spek-window.vala

src/spek-preferences.vala

@@ -0,0 +1,66 @@
+/* spek-preferences.vala
+ *
+ * Copyright (C) 2011  Alexander Kojevnikov <alexander@kojevnikov.com>
+ *
+ * Spek is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Spek is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Spek.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Spek {
+	public class Preferences {
+		private KeyFile key_file;
+		private string file_name;
+		public Preferences () {
+			file_name = Path.build_filename (Environment.get_user_config_dir (), "spek");
+			DirUtils.create_with_parents (file_name, 0755);
+			file_name = Path.build_filename (file_name, "config.ini");
+			this.key_file = new KeyFile ();
+			try {
+				key_file.load_from_file (file_name, KeyFileFlags.NONE);
+			} catch (KeyFileError e) {
+			} catch (FileError e) {
+			}
+		}
+
+		~Preferences () {
+			var output = FileStream.open (file_name, "w+");
+			output.puts (key_file.to_data ());
+		}
+
+		public bool check_update {
+			get {
+				try {
+					return key_file.get_boolean ("update", "check");
+				} catch (KeyFileError e) {
+				}
+				return true;
+			}
+			set {
+				key_file.set_boolean ("update", "check", value);
+			}
+		}
+
+		public int last_update {
+			get {
+				try {
+					return key_file.get_integer ("update", "last_update");
+				} catch (KeyFileError e) {
+				}
+				return 0;
+			}
+			set {
+				key_file.set_integer ("update", "last_update", value);
+			}
+		}
+	}
+}

src/spek-window.vala

@@ -268,23 +268,9 @@ namespace Spek {
 		};
 
 		private void * check_version () {
-			var config = Path.build_filename (Environment.get_user_config_dir (), "spek");
-			DirUtils.create_with_parents (config, 0755);
-			config = Path.build_filename (config, "config.ini");
-			var key_file = new KeyFile ();
-			try {
-				key_file.load_from_file (config, KeyFileFlags.NONE);
-			} catch (KeyFileError e) {
-			} catch (FileError e) {
-			}
-
 			// Does the user want to check for updates?
-			bool check = true;
+			var prefs = new Preferences ();
-			try {
+			var check = prefs.check_update;
-				check = key_file.get_boolean ("update", "check");
-			} catch (KeyFileError e) {
-				check = true;
-			}
 			if (!check) {
 				return null;
 			}
@@ -294,12 +280,7 @@ namespace Spek {
 			time_val.get_current_time ();
 			Date today = Date ();
 			today.set_time_val (time_val);
-			int day = 0;
+			int day = prefs.last_update;
-			try {
-				day = key_file.get_integer ("update", "last_update");
-			} catch (KeyFileError e) {
-				day = 0;
-			}
 			int diff = (int) today.get_julian () - day;
 			if (diff < 7) {
 				return null;
@@ -311,15 +292,13 @@ namespace Spek {
 				return null;
 			}
 
-			// Write to the config file.
-			key_file.set_boolean ("update", "check", check);
-			key_file.set_integer ("update", "last_update", (int) today.get_julian ());
-			var output = FileStream.open (config, "w+");
-			output.puts (key_file.to_data ());
-
 			if (version != null && version > Config.PACKAGE_VERSION) {
 				Idle.add (() => { message_bar.show_all (); return false; });
 			}
+
+			// Update the preferences.
+			prefs.check_update = check;
+			prefs.last_update = (int) today.get_julian ();
 			return null;
 		}
 	}