1 files changed, 163 insertions, 0 deletions
diff --git a/browser/base/content/test/pageActions/head.js b/browser/base/content/test/pageActions/head.js
new file mode 100644
index 0000000000..15801c490e
--- /dev/null
+++ b/browser/base/content/test/pageActions/head.js
@@ -0,0 +1,163 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+ChromeUtils.defineESModuleGetters(this, {
+  EnterprisePolicyTesting:
+    "resource://testing-common/EnterprisePolicyTesting.sys.mjs",
+  ExtensionCommon: "resource://gre/modules/ExtensionCommon.sys.mjs",
+  PlacesTestUtils: "resource://testing-common/PlacesTestUtils.sys.mjs",
+  TelemetryTestUtils: "resource://testing-common/TelemetryTestUtils.sys.mjs",
+  sinon: "resource://testing-common/Sinon.sys.mjs",
+});
+
+async function promisePageActionPanelOpen(win = window, eventDict = {}) {
+  await BrowserTestUtils.waitForCondition(() => {
+    // Wait for the main page action button to become visible.  It's hidden for
+    // some URIs, so depending on when this is called, it may not yet be quite
+    // visible.  It's up to the caller to make sure it will be visible.
+    info("Waiting for main page action button to have non-0 size");
+    let bounds = win.windowUtils.getBoundsWithoutFlushing(
+      win.BrowserPageActions.mainButtonNode
+    );
+    return bounds.width > 0 && bounds.height > 0;
+  });
+
+  // Wait for the panel to become open, by clicking the button if necessary.
+  info("Waiting for main page action panel to be open");
+  if (win.BrowserPageActions.panelNode.state == "open") {
+    return;
+  }
+  let shownPromise = promisePageActionPanelShown(win);
+  EventUtils.synthesizeMouseAtCenter(
+    win.BrowserPageActions.mainButtonNode,
+    eventDict,
+    win
+  );
+  await shownPromise;
+  info("Wait for items in the panel to become visible.");
+  await promisePageActionViewChildrenVisible(
+    win.BrowserPageActions.mainViewNode,
+    win
+  );
+}
+
+function promisePageActionPanelShown(win = window) {
+  return promisePanelShown(win.BrowserPageActions.panelNode, win);
+}
+
+function promisePageActionPanelHidden(win = window) {
+  return promisePanelHidden(win.BrowserPageActions.panelNode, win);
+}
+
+function promisePanelShown(panelIDOrNode, win = window) {
+  return promisePanelEvent(panelIDOrNode, "popupshown", win);
+}
+
+function promisePanelHidden(panelIDOrNode, win = window) {
+  return promisePanelEvent(panelIDOrNode, "popuphidden", win);
+}
+
+function promisePanelEvent(panelIDOrNode, eventType, win = window) {
+  return new Promise(resolve => {
+    let panel = panelIDOrNode;
+    if (typeof panel == "string") {
+      panel = win.document.getElementById(panelIDOrNode);
+      if (!panel) {
+        throw new Error(`Panel with ID "${panelIDOrNode}" does not exist.`);
+      }
+    }
+    if (
+      (eventType == "popupshown" && panel.state == "open") ||
+      (eventType == "popuphidden" && panel.state == "closed")
+    ) {
+      executeSoon(() => resolve(panel));
+      return;
+    }
+    panel.addEventListener(
+      eventType,
+      () => {
+        executeSoon(() => resolve(panel));
+      },
+      { once: true }
+    );
+  });
+}
+
+async function promisePageActionViewChildrenVisible(
+  panelViewNode,
+  win = window
+) {
+  info(
+    "promisePageActionViewChildrenVisible waiting for a child node to be visible"
+  );
+  await new Promise(win.requestAnimationFrame);
+  let dwu = win.windowUtils;
+  return TestUtils.waitForCondition(() => {
+    let bodyNode = panelViewNode.firstElementChild;
+    for (let childNode of bodyNode.children) {
+      let bounds = dwu.getBoundsWithoutFlushing(childNode);
+      if (bounds.width > 0 && bounds.height > 0) {
+        return true;
+      }
+    }
+    return false;
+  });
+}
+
+function promiseAddonUninstalled(addonId) {
+  return new Promise(resolve => {
+    let listener = {};
+    listener.onUninstalled = addon => {
+      if (addon.id == addonId) {
+        AddonManager.removeAddonListener(listener);
+        resolve();
+      }
+    };
+    AddonManager.addAddonListener(listener);
+  });
+}
+
+async function promiseAnimationFrame(win = window) {
+  await new Promise(resolve => win.requestAnimationFrame(resolve));
+  await win.promiseDocumentFlushed(() => {});
+}
+
+async function promisePopupNotShown(id, win = window) {
+  let deferred = PromiseUtils.defer();
+  function listener(e) {
+    deferred.reject("Unexpected popupshown");
+  }
+  let panel = win.document.getElementById(id);
+  panel.addEventListener("popupshown", listener);
+  try {
+    await Promise.race([
+      deferred.promise,
+      new Promise(resolve => {
+        /* eslint-disable mozilla/no-arbitrary-setTimeout */
+        win.setTimeout(resolve, 300);
+      }),
+    ]);
+  } finally {
+    panel.removeEventListener("popupshown", listener);
+  }
+}
+
+// TODO (Bug 1700780): Why is this necessary? Without this trick the test
+// fails intermittently on Ubuntu.
+function promiseStableResize(expectedWidth, win = window) {
+  let deferred = PromiseUtils.defer();
+  let id;
+  function listener() {
+    win.clearTimeout(id);
+    info(`Got resize event: ${win.innerWidth} x ${win.innerHeight}`);
+    if (win.innerWidth <= expectedWidth) {
+      id = win.setTimeout(() => {
+        win.removeEventListener("resize", listener);
+        deferred.resolve();
+      }, 100);
+    }
+  }
+  win.addEventListener("resize", listener);
+  win.resizeTo(expectedWidth, win.outerHeight);
+  return deferred.promise;
+}