loading xml screensaver files into a list

src/application.vala

@@ -18,7 +18,7 @@ namespace Deskcandy {
       this.add_action(toggle_enabled);
       this.set_up_actions();
 
-      this._candies = { new XScreensaver(), new Mpv() };
+      this._candies = { new XScreensaver(), new Video() };
     }
 
     private async void initialize_async() {

src/candy/base.vala

@@ -3,7 +3,7 @@ namespace Deskcandy.Candy {
     protected BaseCandy() {
     }
 
-    public abstract async void initialize();
+    public abstract async void initialize() throws Error;
 
     public abstract Subprocess launch(uint socket_id) throws Error;
   }

src/candy/video.vala

@@ -1,14 +1,14 @@
 namespace Deskcandy.Candy {
-  class Mpv : BaseCandy {
-    public Mpv() {
+  class Video : BaseCandy {
+    public Video() {
     }
 
-    public override async void initialize() {
+    public override async void initialize() throws Error {
     }
 
     public override Subprocess launch(uint socket_id) throws Error {
       message("Launching mpv video...");
-      return new Subprocess(SubprocessFlags.NONE, "mpv", @"--wid=$socket_id", "--no-audio", "--video-unscaled=downscale-big", "--video-zoom=20", "/home/vv/Videos/Sprite_Fright_-_Open_Movie_by_Blender_Studio.webm");
+      return new Subprocess(SubprocessFlags.NONE, "mpv", @"--wid=$socket_id", "--no-audio", "--video-unscaled=downscale-big", "--video-zoom=20", "/home/vv/Videos/Spring_-_Blender_Open_Movie.webm");
     }
   }
 }

src/candy/xscreensaver.vala

@@ -1,21 +1,40 @@
 namespace Deskcandy.Candy {
   class XScreensaver : BaseCandy {
-    public string config_dir { get; private set; }
-    public string path_dir { get; private set; }
+    public string config_path { get; private set; }
+    public string saver_path { get; private set; }
+
+    public List<XScreensaverConfig> configs;
 
     public XScreensaver() {
+      this.configs = new List<XScreensaverConfig>();
     }
 
-    public override async void initialize() {
+    public override async void initialize() throws Error {
       yield this.hacky_determine_directories();
+
+      var config_dir = File.new_for_path(this.config_path);
+      var enumerator = yield config_dir.enumerate_children_async("standard::*", FileQueryInfoFlags.NOFOLLOW_SYMLINKS);
+      FileInfo info;
+      message(@"Parsing configs in $(this.config_path)");
+      while ((info = enumerator.next_file()) != null) {
+        if (!info.get_name().has_suffix(".xml")) {
+          continue;
+        }
+
+        var name = info.get_name();
+        var config = new XScreensaverConfig(config_dir.resolve_relative_path(info.get_name()));
+        this.configs.append(config);
+      }
+      message(@"Found $(this.configs.length()) screensavers.");
     }
 
     public override Subprocess launch(uint socket_id) throws Error {
         message("Launching XScreensaver...");
-        return new Subprocess(SubprocessFlags.NONE, @"$(this.path_dir)/abstractile", "-window-id", socket_id.to_string());
+        return new Subprocess(SubprocessFlags.NONE, @"$(this.saver_path)/abstractile", "-window-id", socket_id.to_string());
     }
 
     private async void hacky_determine_directories() {
+      // TODO: Make this a first-time thing and save to config
       warning("HACK: launching xscreensaver-settings to figure out the configuration");
       try {
         SourceFunc callback = this.hacky_determine_directories.callback;
@@ -49,11 +68,11 @@ namespace Deskcandy.Candy {
         while ((line = dis.read_line_utf8()) != null) {
           MatchInfo info;
           if (config_dir_regex.match(line, 0, out info)) {
-            this.config_dir = info.fetch(1);
-            message(@"Found xscreensaver config dir: $(this.config_dir)");
+            this.config_path = info.fetch(1);
+            message(@"Found xscreensaver config dir: $(this.config_path)");
           } else if (path_dir_regex.match(line, 0, out info)) {
-            this.path_dir = info.fetch(1);
-            message(@"Found xscreensaver path dir: $(this.path_dir)");
+            this.saver_path = info.fetch(1);
+            message(@"Found xscreensaver path dir: $(this.saver_path)");
           }
         }
       } catch (IOError e) {

src/candy/xscreensaver_config.vala

@@ -0,0 +1,30 @@
+namespace Deskcandy.Candy {
+  public class XScreensaverConfig : GXml.Element {
+    [Description(nick="::name")]
+    public string name { get; set; }
+
+    [Description(nick="::_label")]
+    public string label { get; set; }
+
+    [Description(nick="::gl")]
+    public string gl { get; set; }
+
+    public string arg { get; set;}
+
+    [Description(nick="::_description")]
+    public string description { get; set; }
+
+    public XScreensaverConfig(File file) throws Error {
+      this.initialize("screensaver");
+      this.read_from_file(file);
+
+      var tag = this.get_child("command");
+      this.arg = tag.get_attribute("arg");
+      debug(@"Loaded $this");
+    }
+
+    public string to_string() {
+      return @"Screensaver: $(this.label) [$(this.name) $(this.arg)]";
+    }
+  }
+}

src/meson.build

@@ -5,13 +5,15 @@ deskcandy_sources = [
   'application.vala',
   'candy/base.vala',
   'candy/xscreensaver.vala',
-  'candy/mpv.vala'
+  'candy/xscreensaver_config.vala',
+  'candy/video.vala'
 ]
 
 
 deskcandy_deps = [
   dependency('gio-2.0', version: '>= 2.50'),
   dependency('gtk+-3.0', version: '>= 3.22'),
+  dependency('gxml-0.20', version: '>= 0.20'),
 ]
 
 gnome = import('gnome')