(chore); bettwr improve window focusing and correcting position for boost rotator

src/app/modules/newsfeed/boost-rotator/boost-rotator.component.ts

@@ -35,6 +35,7 @@ export class NewsfeedBoostRotatorComponent {
  rotator;
  running: boolean = false;
  paused: boolean = false;
+ windowFocused: boolean = true;
  interval: number = 6;
  channel: MindsUser;
  currentPosition: number = 0;
@@ -115,7 +116,9 @@ export class NewsfeedBoostRotatorComponent {
  }
 
  if (!this.running) {
- this.recordImpression(this.currentPosition, true);
+ if (this.currentPosition === 0) {
+ this.recordImpression(this.currentPosition, true);
+ }
  this.start();
  this.isVisible();
  }
@@ -167,7 +170,9 @@ export class NewsfeedBoostRotatorComponent {
  this.currentPosition = 0;
  }
  if (!this.running) {
- this.recordImpression(this.currentPosition, true);
+ if (this.currentPosition === 0) {
+ this.recordImpression(this.currentPosition, true);
+ }
  this.start();
  this.isVisible();
  }
@@ -206,8 +211,12 @@ export class NewsfeedBoostRotatorComponent {
  start() {
  if (this.rotator)
  window.clearInterval(this.rotator);
+
  this.running = true;
  this.rotator = setInterval((e) => {
+ if (!this.windowFocused) {
+ return;
+ }
  if (this.paused) {
  return;
  }
@@ -236,17 +245,21 @@ export class NewsfeedBoostRotatorComponent {
  //ensure was seen for at least 1 second
  if ((Date.now() > this.lastTs + 1000 || force) && this.boosts[position].boosted_guid) {
  this.newsfeedService.recordView(this.boosts[position], true, this.channel);
+ console.log('Boost rotator recording impressions for ' + position + ' ' + this.boosts[position].boosted_guid, this.windowFocused);
  }
  this.lastTs = Date.now();
  window.localStorage.setItem('boost-rotator-offset', this.boosts[position].boosted_guid);
  }
 
  active() {
+ this.windowFocused = true;
  this.isVisible();
+ this.next(); // Show a new boost when we open our window again
  }
 
  inActive() {
  this.running = false;
+ this.windowFocused = false;
  window.clearInterval(this.rotator);
  }
 
@@ -268,17 +281,16 @@ export class NewsfeedBoostRotatorComponent {
  this.recordImpression(this.currentPosition, false);
  }
 
- next() {
+ async next() {
  this.activities.toArray()[this.currentPosition].hide();
  if (this.currentPosition + 1 > this.boosts.length - 1) {
  //this.currentPosition = 0;
- this.load()
- .then(() => {
- this.currentPosition++;
- })
- .catch(() => {
- this.currentPosition = 0;
- });
+ try {
+ await this.load();
+ this.currentPosition++;
+ } catch(e) {
+ this.currentPosition = 0;
+ }
  } else {
  this.currentPosition++;
  }