From e05e9f1e942c34fed85ce675d450711697b023a6 Mon Sep 17 00:00:00 2001
From: Gabriel Majoulet <gmajoulet@google.com>
Date: Fri, 3 Aug 2018 16:31:33 -0400
Subject: [PATCH] Don't send progress events to the progress bar for ad pages.
 (#17288)

---
 extensions/amp-story/1.0/amp-story-page.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/extensions/amp-story/1.0/amp-story-page.js b/extensions/amp-story/1.0/amp-story-page.js
index 0ede01e38681..a1d08b6b5f84 100644
--- a/extensions/amp-story/1.0/amp-story-page.js
+++ b/extensions/amp-story/1.0/amp-story-page.js
@@ -603,6 +603,11 @@ export class AmpStoryPage extends AMP.BaseElement {
    * @param {number} progress The progress from 0.0 to 1.0.
    */
   emitProgress_(progress) {
+    // Don't emit progress for ads, since the progress bar is hidden.
+    if (this.isAd()) {
+      return;
+    }
+
     const payload = dict({
       'pageId': this.element.id,
       'progress': progress,