1 files changed, 103 insertions, 0 deletions
diff --git a/dom/media/autoplay/test/browser/browser_autoplay_policy_touchScroll.js b/dom/media/autoplay/test/browser/browser_autoplay_policy_touchScroll.js
new file mode 100644
index 0000000000..fa28bf2943
--- /dev/null
+++ b/dom/media/autoplay/test/browser/browser_autoplay_policy_touchScroll.js
@@ -0,0 +1,103 @@
+/**
+ * This test is used to ensure that touch in point can activate document and
+ * allow autoplay, but touch scroll can't activate document.
+ */
+/* eslint-disable mozilla/no-arbitrary-setTimeout */
+"use strict";
+
+const PAGE = GetTestWebBasedURL("file_nonAutoplayAudio.html");
+
+function checkMediaPlayingState(isPlaying) {
+  let audio = content.document.getElementById("testAudio");
+  if (!audio) {
+    ok(false, "can't get the audio element!");
+  }
+
+  is(!audio.paused, isPlaying, "media playing state is correct.");
+}
+
+async function callMediaPlay(shouldStartPlaying) {
+  let audio = content.document.getElementById("testAudio");
+  if (!audio) {
+    ok(false, "can't get the audio element!");
+  }
+
+  info(`call media.play().`);
+  let playPromise = new Promise((resolve, reject) => {
+    audio.play().then(() => {
+      audio.isPlayStarted = true;
+      resolve();
+    });
+    content.setTimeout(() => {
+      if (audio.isPlayStarted) {
+        return;
+      }
+      reject();
+    }, 3000);
+  });
+
+  let isStartPlaying = await playPromise.then(
+    () => true,
+    () => false
+  );
+  is(
+    isStartPlaying,
+    shouldStartPlaying,
+    "media is " + (isStartPlaying ? "" : "not ") + "playing."
+  );
+}
+
+async function synthesizeTouchScroll(target, browser) {
+  const offset = 100;
+  await BrowserTestUtils.synthesizeTouch(
+    target,
+    0,
+    0,
+    { type: "touchstart" },
+    browser
+  );
+  await BrowserTestUtils.synthesizeTouch(
+    target,
+    offset / 2,
+    offset / 2,
+    { type: "touchmove" },
+    browser
+  );
+  await BrowserTestUtils.synthesizeTouch(
+    target,
+    offset,
+    offset,
+    { type: "touchend" },
+    browser
+  );
+}
+
+add_task(async function setup_test_preference() {
+  return SpecialPowers.pushPrefEnv({
+    set: [
+      ["media.autoplay.default", SpecialPowers.Ci.nsIAutoplay.BLOCKED],
+      ["media.autoplay.blocking_policy", 0],
+    ],
+  });
+});
+
+add_task(async function testTouchScroll() {
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+      url: PAGE,
+    },
+    async browser => {
+      info(`- media should not start playing -`);
+      await SpecialPowers.spawn(browser, [false], checkMediaPlayingState);
+
+      info(`- simulate touch scroll which should not activate document -`);
+      await synthesizeTouchScroll("#testAudio", browser);
+      await SpecialPowers.spawn(browser, [false], callMediaPlay);
+
+      info(`- simulate touch at a point which should activate document -`);
+      await BrowserTestUtils.synthesizeTouch("#testAudio", 0, 0, {}, browser);
+      await SpecialPowers.spawn(browser, [true], callMediaPlay);
+    }
+  );
+});