DEV: Add app event "topic:timings-sent" (#12737)

app/assets/javascripts/discourse/app/lib/screen-track.js

@@ -11,11 +11,18 @@ const AJAX_FAILURE_DELAYS = [5000, 10000, 20000, 40000];
 const ALLOWED_AJAX_FAILURES = [405, 429, 500, 501, 502, 503, 504];
 
 export default class {
-  constructor(topicTrackingState, siteSettings, session, currentUser) {
+  constructor(
+    topicTrackingState,
+    siteSettings,
+    session,
+    currentUser,
+    appEvents
+  ) {
     this.topicTrackingState = topicTrackingState;
     this.siteSettings = siteSettings;
     this.session = session;
     this.currentUser = currentUser;
+    this.appEvents = appEvents;
     this.reset();
     this._consolidatedTimings = [];
   }
@@ -139,15 +146,16 @@ export default class {
     this._ajaxFailures = this._ajaxFailures || 0;
 
     const { timings, topicTime, topicId } = this._consolidatedTimings.pop();
+    const data = {
+      timings: timings,
+      topic_time: topicTime,
+      topic_id: topicId,
+    };
 
     this._inProgress = true;
 
     ajax("/topics/timings", {
-      data: {
-        timings: timings,
-        topic_time: topicTime,
-        topic_id: topicId,
-      },
+      data,
       cache: false,
       type: "POST",
       headers: {
@@ -162,6 +170,7 @@ export default class {
           const postNumbers = Object.keys(timings).map((v) => parseInt(v, 10));
           topicController.readPosts(topicId, postNumbers);
         }
+        this.appEvents.trigger("topic:timings-sent", data);
       })
       .catch((e) => {
         if (ALLOWED_AJAX_FAILURES.indexOf(e.jqXHR.status) > -1) {

app/assets/javascripts/discourse/app/pre-initializers/inject-discourse-objects.js

@@ -74,7 +74,8 @@ export default {
       topicTrackingState,
       siteSettings,
       session,
-      currentUser
+      currentUser,
+      app.appEvents
     );
     app.register("service:screen-track", screenTrack, { instantiate: false });