1 files changed, 156 insertions, 0 deletions
diff --git a/browser/base/content/test/tabMediaIndicator/head.js b/browser/base/content/test/tabMediaIndicator/head.js
new file mode 100644
index 0000000000..6920203fc4
--- /dev/null
+++ b/browser/base/content/test/tabMediaIndicator/head.js
@@ -0,0 +1,156 @@
+/**
+ * Global variables for testing.
+ */
+const gEMPTY_PAGE_URL = GetTestWebBasedURL("file_empty.html");
+
+/**
+ * Return a web-based URL for a given file based on the testing directory.
+ * @param {String} fileName
+ *        file that caller wants its web-based url
+ * @param {Boolean} cors [optional]
+ *        if set, then return a url with different origin
+ */
+function GetTestWebBasedURL(fileName, cors = false) {
+  const origin = cors ? "http://example.org" : "http://example.com";
+  return (
+    getRootDirectory(gTestPath).replace("chrome://mochitests/content", origin) +
+    fileName
+  );
+}
+
+/**
+ * Wait until tab sound indicator appears on the given tab.
+ * @param {tabbrowser} tab
+ *        given tab where tab sound indicator should appear
+ */
+async function waitForTabSoundIndicatorAppears(tab) {
+  if (!tab.soundPlaying) {
+    info("Tab sound indicator doesn't appear yet");
+    await BrowserTestUtils.waitForEvent(
+      tab,
+      "TabAttrModified",
+      false,
+      event => {
+        return event.detail.changed.includes("soundplaying");
+      }
+    );
+  }
+  ok(tab.soundPlaying, "Tab sound indicator appears");
+}
+
+/**
+ * Wait until tab sound indicator disappears on the given tab.
+ * @param {tabbrowser} tab
+ *        given tab where tab sound indicator should disappear
+ */
+async function waitForTabSoundIndicatorDisappears(tab) {
+  if (tab.soundPlaying) {
+    info("Tab sound indicator doesn't disappear yet");
+    await BrowserTestUtils.waitForEvent(
+      tab,
+      "TabAttrModified",
+      false,
+      event => {
+        return event.detail.changed.includes("soundplaying");
+      }
+    );
+  }
+  ok(!tab.soundPlaying, "Tab sound indicator disappears");
+}
+
+/**
+ * Return a new foreground tab loading with an empty file.
+ * @param {boolean} needObserver
+ *        If true, sets an observer property on the returned tab. This property
+ *        exposes `hasEverUpdated()` which will return a bool indicating if the
+ *        sound indicator has ever updated.
+ */
+async function createBlankForegroundTab({ needObserver } = {}) {
+  const tab = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    gEMPTY_PAGE_URL
+  );
+  if (needObserver) {
+    tab.observer = createSoundIndicatorObserver(tab);
+  }
+  return tab;
+}
+
+function createSoundIndicatorObserver(tab) {
+  let hasEverUpdated = false;
+  let listener = event => {
+    if (event.detail.changed.includes("soundplaying")) {
+      hasEverUpdated = true;
+    }
+  };
+  tab.addEventListener("TabAttrModified", listener);
+  return {
+    hasEverUpdated: () => {
+      tab.removeEventListener("TabAttrModified", listener);
+      return hasEverUpdated;
+    },
+  };
+}
+
+/**
+ * Sythesize mouse hover on the given icon, which would sythesize `mouseover`
+ * and `mousemove` event on that. Return a promise that will be resolved when
+ * the tooptip element shows.
+ * @param {tab icon} icon
+ *        the icon on which we want to mouse hover
+ * @param {tooltip element} tooltip
+ *        the tab tooltip elementss
+ */
+function hoverIcon(icon, tooltip) {
+  disableNonTestMouse(true);
+
+  if (!tooltip) {
+    tooltip = document.getElementById("tabbrowser-tab-tooltip");
+  }
+
+  let popupShownPromise = BrowserTestUtils.waitForEvent(tooltip, "popupshown");
+  EventUtils.synthesizeMouse(icon, 1, 1, { type: "mouseover" });
+  EventUtils.synthesizeMouse(icon, 2, 2, { type: "mousemove" });
+  EventUtils.synthesizeMouse(icon, 3, 3, { type: "mousemove" });
+  EventUtils.synthesizeMouse(icon, 4, 4, { type: "mousemove" });
+  return popupShownPromise;
+}
+
+/**
+ * Leave mouse from the given icon, which would sythesize `mouseout`
+ * and `mousemove` event on that.
+ * @param {tab icon} icon
+ *        the icon on which we want to mouse hover
+ * @param {tooltip element} tooltip
+ *        the tab tooltip elementss
+ */
+function leaveIcon(icon) {
+  EventUtils.synthesizeMouse(icon, 0, 0, { type: "mouseout" });
+  EventUtils.synthesizeMouseAtCenter(document.documentElement, {
+    type: "mousemove",
+  });
+  EventUtils.synthesizeMouseAtCenter(document.documentElement, {
+    type: "mousemove",
+  });
+  EventUtils.synthesizeMouseAtCenter(document.documentElement, {
+    type: "mousemove",
+  });
+
+  disableNonTestMouse(false);
+}
+
+/**
+ * Sythesize mouse click on the given icon.
+ * @param {tab icon} icon
+ *        the icon on which we want to mouse hover
+ */
+async function clickIcon(icon) {
+  await hoverIcon(icon);
+  EventUtils.synthesizeMouseAtCenter(icon, { button: 0 });
+  leaveIcon(icon);
+}
+
+function disableNonTestMouse(disable) {
+  let utils = window.windowUtils;
+  utils.disableNonTestMouseEvents(disable);
+}