Allow muting applications

elementary · Aug 26, 2023 · 2d01585 · 2d01585
1 parent ef2b2ba
commit 2d01585
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Showing 3 changed files with 72 additions and 6 deletions.
diff --git a/src/App.vala b/src/App.vala
@@ -0,0 +1,21 @@
+/*
+* SPDX-License-Identifier: LGPL-3.0-or-later
+* SPDX-FileCopyrightText: 2023 elementary, Inc. (https://elementary.io)
+*
+* Authored by: Leonhard Kargl <[email protected]>
+*/
+
+public class App : Object {
+   public uint32 index { get; construct; }
+   public string name { get; construct; }
+   public PulseAudio.ChannelMap channel_map { get; set; }
+   public double volume { get; set; }
+   public bool muted { get; set; }
+
+   public App (uint32 index, string name) {
+       Object (
+           index: index,
+           name: name
+       );
+   }
+}
diff --git a/src/AppRow.vala b/src/AppRow.vala
@@ -9,6 +9,7 @@ public class Sound.AppRow : Gtk.ListBoxRow {
     private App? app;
     private Gtk.Label title_label;
     private Gtk.Image image;
+    private Gtk.Button icon_button;
     private Gtk.Scale volume_scale;
 
     construct {
@@ -23,6 +24,11 @@ public class Sound.AppRow : Gtk.ListBoxRow {
         };
         title_label.get_style_context ().add_class (Granite.STYLE_CLASS_H3_LABEL);
 
+        icon_button = new Gtk.Button.from_icon_name ("audio-volume-muted") {
+            can_focus = false
+        };
+        icon_button.get_style_context ().add_class (Gtk.STYLE_CLASS_FLAT);
+
         volume_scale = new Gtk.Scale.with_range (HORIZONTAL, 0, 1, 0.01) {
             hexpand = true,
             draw_value = false
@@ -36,8 +42,9 @@ public class Sound.AppRow : Gtk.ListBoxRow {
             margin_start = 6
         };
         grid.attach (image, 0, 0, 1, 2);
-        grid.attach (title_label, 1, 0);
-        grid.attach (volume_scale, 1, 1);
+        grid.attach (title_label, 1, 0, 2);
+        grid.attach (icon_button, 1, 1);
+        grid.attach (volume_scale, 2, 1);
 
         hexpand = true;
         child = grid;
@@ -49,10 +56,35 @@ public class Sound.AppRow : Gtk.ListBoxRow {
 
             return true;
         });
+
+        icon_button.clicked.connect (() => toggle_mute_application ());
     }
 
-    private void update_scale () {
+    private void toggle_mute_application (bool? custom = null) {
+        if (app == null) {
+            return;
+        }
+
+        PulseAudioManager.get_default ().mute_application (app, null != null ? custom : !app.muted);
+    }
+
+    private void update () {
         volume_scale.set_value (app.volume);
+
+        if (app.muted) {
+            ((Gtk.Image) icon_button.image).icon_name = "audio-volume-muted";
+            volume_scale.sensitive = false;
+        } else {
+            volume_scale.sensitive = true;
+
+            if (volume_scale.get_value () < 0.33) {
+                ((Gtk.Image) icon_button.image).icon_name = "audio-volume-low";
+            } else if (volume_scale.get_value () > 0.66) {
+                ((Gtk.Image) icon_button.image).icon_name = "audio-volume-high";
+            } else {
+                ((Gtk.Image) icon_button.image).icon_name = "audio-volume-medium";
+            }
+        }
     }
 
     public void bind_app (App app) {
@@ -68,12 +100,13 @@ public class Sound.AppRow : Gtk.ListBoxRow {
             image.set_from_icon_name ("application-default-icon", Gtk.IconSize.DND);
         }
 
-        app.notify["volume"].connect (update_scale);
+        app.notify["volume"].connect (update);
+        app.notify["muted"].connect (update);
 
         volume_scale.set_value (app.volume);
     }
 
     public void unbind_app () {
-        app.notify["volume"].disconnect (update_scale);
+        app.notify["volume"].disconnect (update);
     }
 }
diff --git a/src/PulseAudioManager.vala b/src/PulseAudioManager.vala
@@ -624,6 +624,10 @@ public class Sound.PulseAudioManager : GLib.Object {
             app.channel_map = sink_input.channel_map;
         }
 
+        if ((sink_input.mute != 0) != app.muted) {
+            app.muted = sink_input.mute != 0;
+        }
+
         var volume = sink_input.volume.avg ().sw_to_linear ();
         if (app.volume != volume) {
             app.volume = volume;
@@ -916,7 +920,15 @@ public class Sound.PulseAudioManager : GLib.Object {
 
         context.set_sink_input_volume (app.index, cvol, (c, success) => {
             if (success != 1) {
-                warning ("Changing application volume failed");
+                warning ("Failed to change volume of application '%s'.", app.name);
+            }
+        });
+    }
+
+    public void mute_application (App app, bool mute) {
+        context.set_sink_input_mute (app.index, mute, (c, success) => {
+            if (success != 1) {
+                warning ("Failed to mute application '%s'.", app.name);
             }
         });
     }