feat(Timelines): bubble (#1253)

data/gresource.xml

@@ -76,6 +76,7 @@
         <file preprocess="xml-stripblanks">icons/scalable/actions/tuba-police-badge2-symbolic.svg</file>
         <file preprocess="xml-stripblanks">icons/scalable/actions/tuba-clock-alt-symbolic.svg</file>
         <file preprocess="xml-stripblanks">icons/scalable/actions/tuba-quotation-symbolic.svg</file>
+        <file preprocess="xml-stripblanks">icons/scalable/actions/tuba-fish-symbolic.svg</file>
         <!-- <file preprocess="xml-stripblanks">icons/scalable/actions/tuba-language-symbolic.svg</file> -->
 
         <file>gtk/help-overlay.ui</file>

src/API/Instance.vala

@@ -40,6 +40,16 @@ public class Tuba.API.Instance : Entity {
 		}
 	}
 
+	public bool supports_bubble {
+		get {
+			if (pleroma != null && pleroma.metadata != null && pleroma.metadata.features != null) {
+				return "bubble_timeline" in pleroma.metadata.features;
+			}
+
+			return false;
+		}
+	}
+
 	public string[]? compat_supported_mime_types {
 		get {
 			if (pleroma != null && pleroma.metadata != null) {

src/Services/Accounts/InstanceAccount.vala

@@ -60,6 +60,7 @@ public class Tuba.InstanceAccount : API.Account, Streamable {
 	}
 
 	public virtual signal void activated () {
+		bump_sidebar_items ();
 		gather_instance_info ();
 		gather_instance_custom_emojis ();
 		GLib.Idle.add (gather_fav_lists);
@@ -508,10 +509,13 @@ public class Tuba.InstanceAccount : API.Account, Streamable {
 				}
 
 				app.handle_share ();
+				bump_sidebar_items ();
 			})
 			.exec ();
 	}
 
+	protected virtual void bump_sidebar_items () {}
+
 	private void gather_v2_instance_info () {
 		new Request.GET ("/api/v2/instance")
 			.with_account (this)

src/Services/Accounts/Mastodon/Account.vala

@@ -121,6 +121,16 @@ public class Tuba.Mastodon.Account : InstanceAccount {
 		}
 	};
 
+	public static Place PLACE_BUBBLE = new Place () { // vala-lint=naming-convention
+
+		icon = "tuba-fish-symbolic",
+		title = "Bubble", // NOTE: Leave untranslated for now
+		open_func = (win) => {
+			win.open_view (set_as_sidebar_item (new Views.Bubble ()));
+		},
+		visible = false
+	};
+
 	public static Place PLACE_FEDERATED = new Place () { // vala-lint=naming-convention
 
 		icon = "tuba-globe-symbolic",
@@ -150,10 +160,15 @@ public class Tuba.Mastodon.Account : InstanceAccount {
 
 		PLACE_EXPLORE,
 		PLACE_LOCAL,
+		PLACE_BUBBLE,
 		PLACE_FEDERATED,
 		PLACE_LISTS
 	};
 
+	protected override void bump_sidebar_items () {
+		PLACE_BUBBLE.visible = this.instance_info != null && this.instance_info.supports_bubble;
+	}
+
 	public override void register_known_places (GLib.ListStore places) {
 		app.bind_property ("is-mobile", PLACE_NOTIFICATIONS, "visible", GLib.BindingFlags.SYNC_CREATE | GLib.BindingFlags.INVERT_BOOLEAN);
 		app.bind_property ("is-mobile", PLACE_CONVERSATIONS, "visible", GLib.BindingFlags.SYNC_CREATE | GLib.BindingFlags.INVERT_BOOLEAN);

src/Views/Bubble.vala

@@ -0,0 +1,8 @@
+public class Tuba.Views.Bubble : Views.Timeline {
+	construct {
+		url = "/api/v1/timelines/bubble";
+		label = "Bubble"; // NOTE: Leave untranslated for now
+		icon = "tuba-fish-symbolic";
+		is_public = true;
+	}
+}

src/Views/Sidebar.vala

@@ -198,13 +198,14 @@ public class Tuba.Views.Sidebar : Gtk.Widget, AccountHolder {
 	// Item
 	[GtkTemplate (ui = "/dev/geopjr/Tuba/ui/views/sidebar/item.ui")]
 	protected class ItemRow : Gtk.ListBoxRow {
-		public Place place;
+		public Place place {get; set;}
 
 		[GtkChild] unowned Gtk.Image icon;
 		[GtkChild] unowned Gtk.Label label;
 		[GtkChild] unowned Gtk.Label badge;
 
 		public ItemRow (Place place) {
+			this.notify["visible"].connect (on_visibility_changed);
 			this.place = place;
 			place.bind_property ("title", label, "label", BindingFlags.SYNC_CREATE);
 			place.bind_property ("icon", icon, "icon-name", BindingFlags.SYNC_CREATE);
@@ -220,6 +221,12 @@ public class Tuba.Views.Sidebar : Gtk.Widget, AccountHolder {
 			on_attention_change ();
 		}
 
+		// ListBox's bind_model sets visibility of every row to true
+		// when the model changes. Let's do some hacking around it.
+		void on_visibility_changed () {
+			if (this.visible != this.place.visible) this.visible = this.place.visible;
+		}
+
 		void on_attention_change () {
 			if (this.place.needs_attention) {
 				badge.remove_css_class ("no-attention");
@@ -256,7 +263,6 @@ public class Tuba.Views.Sidebar : Gtk.Widget, AccountHolder {
 		}
 	}
 
-
 	void view_announcements_cb () {
 		app.open_announcements ();
 	}

src/Views/meson.build

@@ -3,6 +3,7 @@ sources += files(
     'Announcements.vala',
     'Base.vala',
     'Bookmarks.vala',
+    'Bubble.vala',
     'ContentBase.vala',
     'Conversations.vala',
     'DraftStatuses.vala',