fix: replay button broken for native playback (#8142)

* fix: replay button broken for native playback

* remove debug logging

* move fix to player

* comment

* add unit test

* add native browser stubs

* reset stubs and test currentTime

src/js/player.js

@@ -2388,6 +2388,7 @@ class Player extends Component {
     this.playCallbacks_.push(callback);
 
     const isSrcReady = Boolean(!this.changingSrc_ && (this.src() || this.currentSrc()));
+    const isSafariOrIOS = Boolean(browser.IS_ANY_SAFARI || browser.IS_IOS);
 
     // treat calls to play_ somewhat like the `one` event function
     if (this.waitToPlay_) {
@@ -2405,7 +2406,7 @@ class Player extends Component {
 
       // if we are in Safari, there is a high chance that loadstart will trigger after the gesture timeperiod
       // in that case, we need to prime the video element by calling load so it'll be ready in time
-      if (!isSrcReady && (browser.IS_ANY_SAFARI || browser.IS_IOS)) {
+      if (!isSrcReady && isSafariOrIOS) {
         this.load();
       }
       return;
@@ -2414,6 +2415,12 @@ class Player extends Component {
     // If the player/tech is ready and we have a source, we can attempt playback.
     const val = this.techGet_('play');
 
+    // For native playback, reset the progress bar if we get a play call from a replay.
+    const isNativeReplay = isSafariOrIOS && this.hasClass('vjs-ended');
+
+    if (isNativeReplay) {
+      this.resetProgressBar_();
+    }
     // play was terminated if the returned value is null
     if (val === null) {
       this.runPlayTerminatedQueue_();

test/unit/player-play.test.js

@@ -2,6 +2,7 @@
 import sinon from 'sinon';
 import {silencePromise} from '../../src/js/utils/promise';
 import TestHelpers from './test-helpers';
+import * as browser from '../../src/js/utils/browser.js';
 
 QUnit.module('Player#play', {
 
@@ -104,3 +105,35 @@ QUnit.test('tech ready + has source + changing source = wait for loadstart', fun
   this.player.trigger('loadstart');
   assert.strictEqual(this.techPlayCallCount, 1, 'tech_.play was called');
 });
+
+QUnit.test('play call from native replay calls resetProgressBar_', function(assert) {
+  const origSafari = browser.IS_ANY_SAFARI;
+  const origIOS = browser.IS_IOS;
+
+  browser.stub_IS_ANY_SAFARI(true);
+
+  // Mock the player having a source.
+  this.player.src('xyz.mp4');
+  this.clock.tick(100);
+
+  // Attempt to play, but silence the promise that might be returned.
+  silencePromise(this.player.play());
+  assert.strictEqual(this.techPlayCallCount, 1, 'tech_.play was called');
+
+  // add vjs-ended for replay logic and play again.
+  this.player.addClass('vjs-ended');
+
+  silencePromise(this.player.play());
+  assert.strictEqual(this.techPlayCallCount, 2, 'tech_.play was called');
+  assert.strictEqual(this.techCurrentTimeCallCount, 1, 'tech_.currentTime was called');
+
+  // Reset safari stub and try replay in iOS.
+  browser.stub_IS_ANY_SAFARI(origSafari);
+  browser.stub_IS_IOS(true);
+
+  silencePromise(this.player.play());
+  assert.strictEqual(this.techPlayCallCount, 3, 'tech_.play was called');
+  assert.strictEqual(this.techCurrentTimeCallCount, 2, 'tech_.currentTime was called');
+
+  browser.stub_IS_IOS(origIOS);
+});