First pass at adding a waiting room.

webserver/static_accessibility_test.go

@@ -145,6 +145,26 @@ func TestMicrophoneHardStopLivesInSelfMenu(t *testing.T) {
 	requireFunctionContains(t, js, "userMenu", "Restart audio connection")
 }
 
+func TestWaitingRoomUsesAccessibleNativeControlsAndLiveRegions(t *testing.T) {
+	html := readStaticFile(t, "skald.html")
+	js := readStaticFile(t, "skald.js")
+
+	requireContains(t, html, `aria-labelledby="waiting-heading"`, "waiting room")
+	requireContains(t, html, `id="waiting-heading" tabindex="-1"`, "waiting heading")
+	requireContains(t, html, `label for="waiting-auto-join"`, "automatic join label")
+	requireContains(t, html, `id="waiting-join" type="button"`, "join button")
+	requireContains(t, html, `id="waiting-leave" type="button"`, "leave button")
+	requireContains(t, html, `aria-labelledby="waiting-list-heading"`, "operator waiting list")
+	requireFunctionContains(t, js, "showWaitingRoom", "waiting-heading').focus")
+	requireFunctionContains(t, js, "updateWaitingStatus", "Math.ceil")
+	requireFunctionContains(t, js, "updateWaitingStatus", "announceChat(status)")
+	requireFunctionContains(t, js, "gotWaiting", "announceUrgent")
+	requireFunctionContains(t, js, "renderWaitingList", "document.createElement('button')")
+	requireFunctionContains(t, js, "renderWaitingList", "button.type = 'button'")
+	requireFunctionContains(t, js, "gotJoined", "Your microphone is not enabled")
+	requireFunctionContains(t, js, "gotJoined", "Your microphone is ${enabled ? 'unmuted' : 'muted'}")
+}
+
 func TestRecordingControlLivesInSelfMenu(t *testing.T) {
 	js := readStaticFile(t, "skald.js")
 

webserver/whip.go

@@ -230,6 +230,7 @@ func whipEndpointHandler(w http.ResponseWriter, r *http.Request) {
 
 	if !canPresent(c.Permissions()) {
 		hall.DelClient(c)
+		rtpconn.WaitingCapacityChanged(g)
 		http.Error(w, "Forbidden", http.StatusForbidden)
 		return
 	}
@@ -239,6 +240,7 @@ func whipEndpointHandler(w http.ResponseWriter, r *http.Request) {
 	answer, err := c.NewConnection(r.Context(), body)
 	if err != nil {
 		hall.DelClient(c)
+		rtpconn.WaitingCapacityChanged(g)
 		log.Printf("WHIP offer: %v", err)
 		httpError(w, err)
 		return