From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../mediasession/test/MediaSessionTestUtils.js     |  30 ++++
 dom/media/mediasession/test/browser.toml           |   9 +
 .../test/browser_active_mediasession_among_tabs.js | 198 +++++++++++++++++++++
 .../mediasession/test/crashtests/crashtests.list   |   1 +
 .../test/crashtests/inactive-mediasession.html     |  16 ++
 .../mediasession/test/file_media_session.html      |  30 ++++
 .../test/file_trigger_actionhanlder_frame.html     |  40 +++++
 .../test/file_trigger_actionhanlder_window.html    | 107 +++++++++++
 dom/media/mediasession/test/mochitest.toml         |  14 ++
 .../mediasession/test/test_setactionhandler.html   |  84 +++++++++
 .../test/test_trigger_actionhanlder.html           |  56 ++++++
 11 files changed, 585 insertions(+)
 create mode 100644 dom/media/mediasession/test/MediaSessionTestUtils.js
 create mode 100644 dom/media/mediasession/test/browser.toml
 create mode 100644 dom/media/mediasession/test/browser_active_mediasession_among_tabs.js
 create mode 100644 dom/media/mediasession/test/crashtests/crashtests.list
 create mode 100644 dom/media/mediasession/test/crashtests/inactive-mediasession.html
 create mode 100644 dom/media/mediasession/test/file_media_session.html
 create mode 100644 dom/media/mediasession/test/file_trigger_actionhanlder_frame.html
 create mode 100644 dom/media/mediasession/test/file_trigger_actionhanlder_window.html
 create mode 100644 dom/media/mediasession/test/mochitest.toml
 create mode 100644 dom/media/mediasession/test/test_setactionhandler.html
 create mode 100644 dom/media/mediasession/test/test_trigger_actionhanlder.html

(limited to 'dom/media/mediasession/test')

diff --git a/dom/media/mediasession/test/MediaSessionTestUtils.js b/dom/media/mediasession/test/MediaSessionTestUtils.js
new file mode 100644
index 0000000000..1ab0e1fe9b
--- /dev/null
+++ b/dom/media/mediasession/test/MediaSessionTestUtils.js
@@ -0,0 +1,30 @@
+const gMediaSessionActions = [
+  "play",
+  "pause",
+  "seekbackward",
+  "seekforward",
+  "previoustrack",
+  "nexttrack",
+  "skipad",
+  "seekto",
+  "stop",
+];
+
+// gCommands and gResults are used in `test_active_mediasession_within_page.html`
+const gCommands = {
+  createMainFrameSession: "create-main-frame-session",
+  createChildFrameSession: "create-child-frame-session",
+  destroyChildFrameSessions: "destroy-child-frame-sessions",
+  destroyActiveChildFrameSession: "destroy-active-child-frame-session",
+  destroyInactiveChildFrameSession: "destroy-inactive-child-frame-session",
+};
+
+const gResults = {
+  mainFrameSession: "main-frame-session",
+  childFrameSession: "child-session-unchanged",
+  childFrameSessionUpdated: "child-session-changed",
+};
+
+function nextWindowMessage() {
+  return new Promise(r => (window.onmessage = event => r(event)));
+}
diff --git a/dom/media/mediasession/test/browser.toml b/dom/media/mediasession/test/browser.toml
new file mode 100644
index 0000000000..1732d096a0
--- /dev/null
+++ b/dom/media/mediasession/test/browser.toml
@@ -0,0 +1,9 @@
+[DEFAULT]
+subsuite = "media-bc"
+tags = "mediacontrol"
+support-files = [
+  "file_media_session.html",
+  "../../test/gizmo.mp4",
+]
+
+["browser_active_mediasession_among_tabs.js"]
diff --git a/dom/media/mediasession/test/browser_active_mediasession_among_tabs.js b/dom/media/mediasession/test/browser_active_mediasession_among_tabs.js
new file mode 100644
index 0000000000..a70d4502b6
--- /dev/null
+++ b/dom/media/mediasession/test/browser_active_mediasession_among_tabs.js
@@ -0,0 +1,198 @@
+/* eslint-disable no-undef */
+"use strict";
+
+const PAGE =
+  "https://example.com/browser/dom/media/mediasession/test/file_media_session.html";
+
+const ACTION = "previoustrack";
+
+add_task(async function setupTestingPref() {
+  await SpecialPowers.pushPrefEnv({
+    set: [["media.mediacontrol.testingevents.enabled", true]],
+  });
+});
+
+/**
+ * When multiple tabs are all having media session, the latest created one would
+ * become an active session. When the active media session is destroyed via
+ * closing the tab, the previous active session would become current active
+ * session again.
+ */
+add_task(async function testActiveSessionWhenClosingTab() {
+  info(`open tab1 and load media session test page`);
+  const tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, PAGE);
+  await startMediaPlaybackAndWaitMedisSessionBecomeActiveSession(tab1);
+
+  info(`pressing '${ACTION}' key`);
+  MediaControlService.generateMediaControlKey(ACTION);
+
+  info(`session in tab1 should become active session`);
+  await checkIfActionReceived(tab1, ACTION);
+
+  info(`open tab2 and load media session test page`);
+  const tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, PAGE);
+  await startMediaPlaybackAndWaitMedisSessionBecomeActiveSession(tab2);
+
+  info(`pressing '${ACTION}' key`);
+  MediaControlService.generateMediaControlKey(ACTION);
+
+  info(`session in tab2 should become active session`);
+  await checkIfActionReceived(tab2, ACTION);
+  await checkIfActionNotReceived(tab1, ACTION);
+
+  info(`remove tab2`);
+  const controllerChanged = waitUntilMainMediaControllerChanged();
+  BrowserTestUtils.removeTab(tab2);
+  await controllerChanged;
+
+  info(`pressing '${ACTION}' key`);
+  MediaControlService.generateMediaControlKey(ACTION);
+
+  info(`session in tab1 should become active session again`);
+  await checkIfActionReceived(tab1, ACTION);
+
+  info(`remove tab1`);
+  BrowserTestUtils.removeTab(tab1);
+});
+
+/**
+ * This test is similar with `testActiveSessionWhenClosingTab`, the difference
+ * is that the way we use to destroy active session is via naviagation, not
+ * closing tab.
+ */
+add_task(async function testActiveSessionWhenNavigatingTab() {
+  info(`open tab1 and load media session test page`);
+  const tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, PAGE);
+  await startMediaPlaybackAndWaitMedisSessionBecomeActiveSession(tab1);
+
+  info(`pressing '${ACTION}' key`);
+  MediaControlService.generateMediaControlKey(ACTION);
+
+  info(`session in tab1 should become active session`);
+  await checkIfActionReceived(tab1, ACTION);
+
+  info(`open tab2 and load media session test page`);
+  const tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, PAGE);
+  await startMediaPlaybackAndWaitMedisSessionBecomeActiveSession(tab2);
+
+  info(`pressing '${ACTION}' key`);
+  MediaControlService.generateMediaControlKey(ACTION);
+
+  info(`session in tab2 should become active session`);
+  await checkIfActionReceived(tab2, ACTION);
+  await checkIfActionNotReceived(tab1, ACTION);
+
+  info(`navigate tab2 to blank page`);
+  const controllerChanged = waitUntilMainMediaControllerChanged();
+  BrowserTestUtils.startLoadingURIString(tab2.linkedBrowser, "about:blank");
+  await controllerChanged;
+
+  info(`pressing '${ACTION}' key`);
+  MediaControlService.generateMediaControlKey(ACTION);
+
+  info(`session in tab1 should become active session`);
+  await checkIfActionReceived(tab1, ACTION);
+
+  info(`remove tabs`);
+  BrowserTestUtils.removeTab(tab1);
+  BrowserTestUtils.removeTab(tab2);
+});
+
+/**
+ * If we create a media session in a tab where no any playing media exists, then
+ * that session would not involve in global active media session selection. The
+ * current active media session would remain unchanged.
+ */
+add_task(async function testCreatingSessionWithoutPlayingMedia() {
+  info(`open tab1 and load media session test page`);
+  const tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, PAGE);
+  await startMediaPlaybackAndWaitMedisSessionBecomeActiveSession(tab1);
+
+  info(`pressing '${ACTION}' key`);
+  MediaControlService.generateMediaControlKey(ACTION);
+
+  info(`session in tab1 should become active session`);
+  await checkIfActionReceived(tab1, ACTION);
+
+  info(`open tab2 and load media session test page`);
+  const tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, PAGE);
+
+  info(`pressing '${ACTION}' key`);
+  MediaControlService.generateMediaControlKey(ACTION);
+
+  info(
+    `session in tab1 is still an active session because there is no media playing in tab2`
+  );
+  await checkIfActionReceived(tab1, ACTION);
+  await checkIfActionNotReceived(tab2, ACTION);
+
+  info(`remove tabs`);
+  BrowserTestUtils.removeTab(tab1);
+  BrowserTestUtils.removeTab(tab2);
+});
+
+/**
+ * The following are helper functions
+ */
+async function startMediaPlaybackAndWaitMedisSessionBecomeActiveSession(tab) {
+  await Promise.all([
+    BrowserUtils.promiseObserved("active-media-session-changed"),
+    SpecialPowers.spawn(tab.linkedBrowser, [], () => {
+      const video = content.document.getElementById("testVideo");
+      if (!video) {
+        ok(false, `can't get the media element!`);
+      }
+      video.play();
+    }),
+  ]);
+}
+
+async function checkIfActionReceived(tab, action) {
+  await SpecialPowers.spawn(tab.linkedBrowser, [action], expectedAction => {
+    return new Promise(resolve => {
+      const result = content.document.getElementById("result");
+      if (!result) {
+        ok(false, `can't get the element for showing result!`);
+      }
+
+      function checkAction() {
+        is(
+          result.innerHTML,
+          expectedAction,
+          `received '${expectedAction}' correctly`
+        );
+        // Reset the result after finishing checking result, then we can dispatch
+        // same action again without worrying about previous result.
+        result.innerHTML = "";
+        resolve();
+      }
+
+      if (result.innerHTML == "") {
+        info(`wait until receiving action`);
+        result.addEventListener("actionChanged", () => checkAction(), {
+          once: true,
+        });
+      } else {
+        checkAction();
+      }
+    });
+  });
+}
+
+async function checkIfActionNotReceived(tab, action) {
+  await SpecialPowers.spawn(tab.linkedBrowser, [action], expectedAction => {
+    return new Promise(resolve => {
+      const result = content.document.getElementById("result");
+      if (!result) {
+        ok(false, `can't get the element for showing result!`);
+      }
+      is(result.innerHTML, "", `should not receive any action`);
+      ok(result.innerHTML != expectedAction, `not receive '${expectedAction}'`);
+      resolve();
+    });
+  });
+}
+
+function waitUntilMainMediaControllerChanged() {
+  return BrowserUtils.promiseObserved("main-media-controller-changed");
+}
diff --git a/dom/media/mediasession/test/crashtests/crashtests.list b/dom/media/mediasession/test/crashtests/crashtests.list
new file mode 100644
index 0000000000..9ca4956ab6
--- /dev/null
+++ b/dom/media/mediasession/test/crashtests/crashtests.list
@@ -0,0 +1 @@
+load inactive-mediasession.html
diff --git a/dom/media/mediasession/test/crashtests/inactive-mediasession.html b/dom/media/mediasession/test/crashtests/inactive-mediasession.html
new file mode 100644
index 0000000000..b24fb887ff
--- /dev/null
+++ b/dom/media/mediasession/test/crashtests/inactive-mediasession.html
@@ -0,0 +1,16 @@
+<html>
+<head></head>
+<script>
+const frame = document.createElementNS('http://www.w3.org/1999/xhtml', 'frame');
+document.documentElement.appendChild(frame);
+
+const windowPointer = frame.contentWindow;
+document.documentElement.replaceWith();
+
+// Setting attributes on inactive media session should not cause crash.
+windowPointer.navigator.mediaSession.setActionHandler('nexttrack', null);
+windowPointer.navigator.mediaSession.playbackState = "playing";
+windowPointer.navigator.mediaSession.setPositionState();
+windowPointer.navigator.mediaSession.metadata = null;
+</script>
+</html>
diff --git a/dom/media/mediasession/test/file_media_session.html b/dom/media/mediasession/test/file_media_session.html
new file mode 100644
index 0000000000..7cff7f4f69
--- /dev/null
+++ b/dom/media/mediasession/test/file_media_session.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<title>Media Session and non-autoplay media</title>
+</head>
+<body>
+<video id="testVideo" src="gizmo.mp4" loop></video>
+<h1 id="result"></h1>
+<script type="text/javascript">
+
+const MediaSessionActions = [
+  "play",
+  "pause",
+  "seekbackward",
+  "seekforward",
+  "previoustrack",
+  "nexttrack",
+  "stop",
+];
+
+for (const action of MediaSessionActions) {
+  navigator.mediaSession.setActionHandler(action, () => {
+    document.getElementById("result").innerHTML = action;
+    document.getElementById("result").dispatchEvent(new CustomEvent("actionChanged"));
+  });
+}
+
+</script>
+</body>
+</html>
diff --git a/dom/media/mediasession/test/file_trigger_actionhanlder_frame.html b/dom/media/mediasession/test/file_trigger_actionhanlder_frame.html
new file mode 100644
index 0000000000..4d55db2189
--- /dev/null
+++ b/dom/media/mediasession/test/file_trigger_actionhanlder_frame.html
@@ -0,0 +1,40 @@
+<!DOCTYPE HTML>
+<html>
+  <head>
+    <title>Test frame for triggering media session's action handler</title>
+    <script src="MediaSessionTestUtils.js"></script>
+  </head>
+<body>
+<video id="testVideo" src="gizmo.mp4" loop></video>
+<script>
+
+const video = document.getElementById("testVideo");
+const w = window.opener || window.parent;
+
+window.onmessage = async event => {
+  if (event.data == "play") {
+    await video.play();
+    // As we can't observe `media-displayed-playback-changed` notification,
+    // that can only be observed in the chrome process. Therefore, we use a
+    // workaround instead which is to wait for a while to ensure that the
+    // controller has already been created in the chrome process.
+    let timeupdatecount = 0;
+    await new Promise(r => video.ontimeupdate = () => {
+      if (++timeupdatecount == 3) {
+        video.ontimeupdate = null;
+        r();
+      }
+    });
+    w.postMessage("played", "*");
+  }
+}
+
+// Setup the action handlers which would post the result back to the main window.
+for (const action of gMediaSessionActions) {
+  navigator.mediaSession.setActionHandler(action, () => {
+    w.postMessage(action, "*");
+  });
+}
+</script>
+</body>
+</html>
diff --git a/dom/media/mediasession/test/file_trigger_actionhanlder_window.html b/dom/media/mediasession/test/file_trigger_actionhanlder_window.html
new file mode 100644
index 0000000000..f3316d6dad
--- /dev/null
+++ b/dom/media/mediasession/test/file_trigger_actionhanlder_window.html
@@ -0,0 +1,107 @@
+<!DOCTYPE HTML>
+<html>
+  <head>
+    <title>Test window for triggering media session's action handler</title>
+    <script src="/tests/SimpleTest/SimpleTest.js"></script>
+    <script src="MediaSessionTestUtils.js"></script>
+  </head>
+<body>
+<video id="testVideo" src="gizmo.mp4" loop></video>
+<iframe id="childFrame"></iframe>
+<script>
+
+var triggeredActionNums = 0;
+
+nextWindowMessage().then(
+  async (event) => {
+    const testInfo = event.data;
+    await createSession(testInfo);
+    // Media session would only become active if there is any media currently
+    // playing. Non-active media session won't receive any actions. Therefore,
+    // we start media playback before testing media session.
+    await startMediaPlayback(testInfo);
+    for (const action of gMediaSessionActions) {
+      await waitUntilActionHandlerTriggered(action, testInfo);
+    }
+    endTestAndReportResult();
+  });
+
+/**
+ * The following are helper functions
+ */
+async function startMediaPlayback({shouldCreateFrom}) {
+  info(`wait until media starts playing`);
+  if (shouldCreateFrom == "main-frame") {
+    const video = document.getElementById("testVideo");
+    await video.play();
+    // As we can't observe `media-displayed-playback-changed` notification,
+    // that can only be observed in the chrome process. Therefore, we use a
+    // workaround instead which is to wait for a while to ensure that the
+    // controller has already been created in the chrome process.
+    let timeupdatecount = 0;
+    await new Promise(r => video.ontimeupdate = () => {
+      if (++timeupdatecount == 3) {
+        video.ontimeupdate = null;
+        r();
+      }
+    });
+  } else {
+    const iframe = document.getElementById("childFrame");
+    iframe.contentWindow.postMessage("play", "*");
+    await new Promise(r => {
+      window.onmessage = event => {
+        is(event.data, "played", `media started playing in child-frame`);
+        r();
+      };
+    });
+  }
+}
+
+async function createSession({shouldCreateFrom, origin}) {
+  info(`create media session in ${shouldCreateFrom}`);
+  if (shouldCreateFrom == "main-frame") {
+    // Simply referencing media session will create media session.
+    navigator.mediaSession;
+    return;
+  };
+  const frame = document.getElementById("childFrame");
+  const originURL = origin == "same-origin"
+    ? "http://mochi.test:8888" : "http://example.org";
+  frame.src = originURL + "/tests/dom/media/mediasession/test/file_trigger_actionhanlder_frame.html";
+  await new Promise(r => frame.onload = r);
+}
+
+async function waitUntilActionHandlerTriggered(action, {shouldCreateFrom}) {
+  info(`wait until '${action}' handler of media session created in ` +
+       `${shouldCreateFrom} is triggered`);
+  if (shouldCreateFrom == "main-frame") {
+    let promise = new Promise(resolve => {
+      navigator.mediaSession.setActionHandler(action, () => {
+        ok(true, `Triggered ${action} handler`);
+        triggeredActionNums++;
+        resolve();
+      });
+    });
+    SpecialPowers.generateMediaControlKeyTestEvent(action);
+    await promise;
+    return;
+  }
+  SpecialPowers.generateMediaControlKeyTestEvent(action);
+  if ((await nextWindowMessage()).data == action) {
+    info(`Triggered ${action} handler in child-frame`);
+    triggeredActionNums++;
+  }
+}
+
+function endTestAndReportResult() {
+  const w = window.opener || window.parent;
+  if (triggeredActionNums == gMediaSessionActions.length) {
+    w.postMessage("success", "*");
+  } else {
+    w.postMessage("fail", "*");
+  }
+}
+
+</script>
+</body>
+</html>
diff --git a/dom/media/mediasession/test/mochitest.toml b/dom/media/mediasession/test/mochitest.toml
new file mode 100644
index 0000000000..130c08ab00
--- /dev/null
+++ b/dom/media/mediasession/test/mochitest.toml
@@ -0,0 +1,14 @@
+[DEFAULT]
+subsuite = "media"
+tags = "mediasession mediacontrol"
+
+support-files = [
+  "../../test/gizmo.mp4",
+  "file_trigger_actionhanlder_frame.html",
+  "file_trigger_actionhanlder_window.html",
+  "MediaSessionTestUtils.js",
+]
+
+["test_setactionhandler.html"]
+
+["test_trigger_actionhanlder.html"]
diff --git a/dom/media/mediasession/test/test_setactionhandler.html b/dom/media/mediasession/test/test_setactionhandler.html
new file mode 100644
index 0000000000..77d4703a3b
--- /dev/null
+++ b/dom/media/mediasession/test/test_setactionhandler.html
@@ -0,0 +1,84 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title></title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<script>
+
+SimpleTest.waitForExplicitFinish();
+
+const ACTIONS = [
+  "play",
+  "pause",
+  "seekbackward",
+  "seekforward",
+  "previoustrack",
+  "nexttrack",
+  "skipad",
+  "seekto",
+  "stop",
+];
+
+(async function testSetActionHandler() {
+  for (const action of ACTIONS) {
+    info(`Test setActionHandler for '${action}'`);
+    generateAction(action);
+    ok(true, "it's ok to do " + action + " without any handler");
+
+    let expectedDetails = generateActionDetails(action);
+
+    let fired = false;
+    await setHandlerAndTakeAction(action, details => {
+      ok(hasSameValue(details, expectedDetails), "get expected details for " + action);
+      fired = !fired;
+      clearActionHandler(action);
+    });
+
+    generateAction(action);
+    ok(fired, "handler of " + action + " is cleared");
+  }
+
+  SimpleTest.finish();
+})();
+
+function generateAction(action) {
+  let details = generateActionDetails(action);
+  SpecialPowers.wrap(navigator.mediaSession).notifyHandler(details);
+}
+
+function generateActionDetails(action) {
+  let details = { action };
+  if (action == "seekbackward" || action == "seekforward") {
+    details.seekOffset = 3.14159;
+  } else if (action == "seekto") {
+    details.seekTime = 1.618;
+  }
+  return details;
+}
+
+function setHandlerAndTakeAction(action, handler) {
+  let promise = new Promise(resolve => {
+    navigator.mediaSession.setActionHandler(action, details => {
+      handler(details);
+      resolve();
+    });
+  });
+  generateAction(action);
+  return promise;
+}
+
+function hasSameValue(a, b) {
+  // The order of the object matters when stringify the object.
+  return JSON.stringify(a) == JSON.stringify(b);
+}
+
+function clearActionHandler(action) {
+  navigator.mediaSession.setActionHandler(action, null);
+}
+
+</script>
+</body>
+</html>
diff --git a/dom/media/mediasession/test/test_trigger_actionhanlder.html b/dom/media/mediasession/test/test_trigger_actionhanlder.html
new file mode 100644
index 0000000000..a0e170c868
--- /dev/null
+++ b/dom/media/mediasession/test/test_trigger_actionhanlder.html
@@ -0,0 +1,56 @@
+<!DOCTYPE HTML>
+<html>
+  <head>
+    <title>Test of triggering media session's action handlers</title>
+    <script src="/tests/SimpleTest/SimpleTest.js"></script>
+    <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+    <script src="MediaSessionTestUtils.js"></script>
+  </head>
+<body>
+<script>
+/**
+ * This test is used to test if pressing media control keys can trigger media
+ * session's corresponding action handler under different situations.
+ */
+const testCases = [
+  {
+    name: "Triggering action handlers for session created in [main-frame]",
+    shouldCreateFrom: "main-frame",
+  },
+  {
+    name: "Triggering action handlers for session created in [same-origin] [child-frame]",
+    shouldCreateFrom: "child-frame",
+    origin: "same-origin",
+  },
+  {
+    name: "Triggering action handlers for session created in [cross-origin] [child-frame]",
+    shouldCreateFrom: "child-frame",
+    origin: "cross-origin",
+  },
+];
+
+SimpleTest.waitForExplicitFinish();
+
+SpecialPowers.pushPrefEnv({"set": [
+  ["media.mediacontrol.testingevents.enabled", true],
+]}, startTest());
+
+async function startTest() {
+  for (const testCase of testCases) {
+    info(`- loading test '${testCase.name}' in a new window -`);
+    const testURL = "file_trigger_actionhanlder_window.html";
+    const testWindow = window.open(testURL, "", "width=500,height=500");
+    await new Promise(r => testWindow.onload = r);
+
+    info("- start running test -");
+    testWindow.postMessage(testCase, window.origin);
+    is((await nextWindowMessage()).data, "success",
+       `- finished test '${testCase.name}' -`);
+    testWindow.close();
+  }
+  SimpleTest.finish();
+}
+
+</script>
+</body>
+</html>
-- 
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