#8228: run show sidebar in top-level frame

end-to-end-tests/tests/runtime/sidebarController.spec.ts

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2024 PixieBrix, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import { test, expect } from "../../fixtures/extensionBase";
+import { ActivateModPage } from "../../pageObjects/extensionConsole/modsPage";
+// @ts-expect-error -- https://youtrack.jetbrains.com/issue/AQUA-711/Provide-a-run-configuration-for-Playwright-tests-in-specs-with-fixture-imports-only
+import { type Page, test as base } from "@playwright/test";
+import { getSidebarPage, isSidebarOpen } from "../../utils";
+import { MV } from "../../env";
+
+test.describe("sidebar controller", () => {
+  test("can open sidebar immediately from iframe without focus dialog", async ({
+    page,
+    extensionId,
+  }) => {
+    const modId = "@pixies/test/frame-sidebar-actions";
+
+    const modActivationPage = new ActivateModPage(page, extensionId, modId);
+    await modActivationPage.goto();
+    await modActivationPage.clickActivateAndWaitForModsPageRedirect();
+
+    await page.goto("/frames-builder.html");
+
+    const frame = page.frameLocator("iframe");
+    await frame.getByRole("link", { name: "Show Sidebar Immediately" }).click();
+
+    // Don't use getSidebarPage because it automatically clicks the MV3 focus dialog.
+    await expect(() => {
+      expect(isSidebarOpen(page, extensionId)).toBe(false);
+    }).toPass({ timeout: 5000 });
+  });
+
+  test("shows focus dialog in top-level frame", async ({
+    page,
+    extensionId,
+  }) => {
+    test.skip(MV === "2", "This test is only relevant for MV3");
+
+    const modId = "@pixies/test/frame-sidebar-actions";
+
+    const modActivationPage = new ActivateModPage(page, extensionId, modId);
+    await modActivationPage.goto();
+    await modActivationPage.clickActivateAndWaitForModsPageRedirect();
+
+    await page.goto("/frames-builder.html");
+
+    const frame = page.frameLocator("iframe");
+
+    // Mod waits 7.5 seconds before running Show Sidebar brick to ensure the user gesture dialog is shown
+    await frame.getByRole("link", { name: "Show Sidebar after Wait" }).click();
+    // eslint-disable-next-line playwright/no-wait-for-timeout -- match wait in the mod
+    await page.waitForTimeout(8000);
+
+    // Focus dialog should be visible in the top-level frame
+    await expect(page.getByRole("button", { name: "OK" })).toBeVisible();
+
+    // The focus dialog should not be shown in the iframe. Check after checking the top-level frame
+    // because it's a positive check for the dialog being shown.
+    await expect(frame.getByRole("button", { name: "OK" })).not.toBeVisible();
+
+    // Will error if page/frame not available
+    await getSidebarPage(page, extensionId);
+  });
+});

src/contentScript/messenger/strict/registration.ts

@@ -19,7 +19,7 @@
 
 import {
   hideMv2SidebarInTopFrame,
-  showSidebar,
+  showSidebarInTopFrame,
   sidebarWasLoaded,
   updateSidebar,
   removeExtensions as removeSidebars,
@@ -54,7 +54,7 @@ declare global {
     FORM_CANCEL: typeof cancelForm;
     UPDATE_SIDEBAR: typeof updateSidebar;
     SIDEBAR_WAS_LOADED: typeof sidebarWasLoaded;
-    SHOW_SIDEBAR: typeof showSidebar;
+    SHOW_SIDEBAR: typeof showSidebarInTopFrame;
     HIDE_SIDEBAR: typeof hideMv2SidebarInTopFrame;
     REMOVE_SIDEBARS: typeof removeSidebars;
     HANDLE_MENU_ACTION: typeof handleMenuAction;
@@ -84,7 +84,7 @@ export default function registerMessenger(): void {
     FORM_CANCEL: cancelForm,
     UPDATE_SIDEBAR: updateSidebar,
     SIDEBAR_WAS_LOADED: sidebarWasLoaded,
-    SHOW_SIDEBAR: showSidebar,
+    SHOW_SIDEBAR: showSidebarInTopFrame,
     HIDE_SIDEBAR: hideMv2SidebarInTopFrame,
     REMOVE_SIDEBARS: removeSidebars,
     HANDLE_MENU_ACTION: handleMenuAction,

src/contentScript/sidebarController.tsx

@@ -19,19 +19,21 @@ import reportEvent from "@/telemetry/reportEvent";
 import { Events } from "@/telemetry/events";
 import { expectContext } from "@/utils/expectContext";
 import sidebarInThisTab from "@/sidebar/messenger/api";
+import * as contentScriptApi from "@/contentScript/messenger/strict/api";
 import { isEmpty, throttle } from "lodash";
 import { signalFromEvent } from "abort-utils";
 import { SimpleEventTarget } from "@/utils/SimpleEventTarget";
 import * as sidebarMv2 from "@/contentScript/sidebarDomControllerLite";
+import { getSidebarElement } from "@/contentScript/sidebarDomControllerLite";
 import { type Except } from "type-fest";
 import { type RunArgs, RunReason } from "@/types/runtimeTypes";
 import { type UUID } from "@/types/stringTypes";
 import { type RegistryId } from "@/types/registryTypes";
 import { type ModComponentRef } from "@/types/modComponentTypes";
 import type {
   ActivatePanelOptions,
-  ModActivationPanelEntry,
   FormPanelEntry,
+  ModActivationPanelEntry,
   PanelEntry,
   PanelPayload,
   TemporaryPanelEntry,
@@ -41,18 +43,29 @@ import { getFormPanelSidebarEntries } from "@/platform/forms/formController";
 import { memoizeUntilSettled } from "@/utils/promiseUtils";
 import { getTimedSequence } from "@/types/helpers";
 import { isMV3 } from "@/mv3/api";
-import { getErrorMessage } from "@/errors/errorHelpers";
 import { focusCaptureDialog } from "@/contentScript/focusCaptureDialog";
 import { isLoadedInIframe } from "@/utils/iframeUtils";
 import { showMySidePanel } from "@/background/messenger/strict/api";
-import { getSidebarElement } from "@/contentScript/sidebarDomControllerLite";
 import focusController from "@/utils/focusController";
 import selectionController from "@/utils/selectionController";
-import { messenger } from "webext-messenger";
-import { getSidebarTargetForCurrentTab } from "@/utils/sidePanelUtils";
+import { getTopLevelFrame, messenger } from "webext-messenger";
+import {
+  getSidebarTargetForCurrentTab,
+  isUserGestureRequiredError,
+} from "@/utils/sidePanelUtils";
 
 const HIDE_SIDEBAR_EVENT_NAME = "pixiebrix:hideSidebar";
 
+/**
+ * Event listeners triggered when the sidebar shows and is ready to receive messages.
+ */
+export const sidebarShowEvents = new SimpleEventTarget<RunArgs>();
+
+// eslint-disable-next-line local-rules/persistBackgroundData -- Unused there
+const panels: PanelEntry[] = [];
+
+let modActivationPanelEntry: ModActivationPanelEntry | null = null;
+
 /*
  * Only one check at a time
  * Cannot throttle because subsequent checks need to be able to be made immediately
@@ -88,30 +101,37 @@ const pingSidebar = memoizeUntilSettled(
   }, 1000) as () => Promise<void>,
 );
 
-/**
- * Event listeners triggered when the sidebar shows and is ready to receive messages.
- */
-export const sidebarShowEvents = new SimpleEventTarget<RunArgs>();
-
 export function sidebarWasLoaded(): void {
   sidebarShowEvents.emit({ reason: RunReason.MANUAL });
 }
 
-// eslint-disable-next-line local-rules/persistBackgroundData -- Unused there
-const panels: PanelEntry[] = [];
-
-let modActivationPanelEntry: ModActivationPanelEntry | null = null;
-
 /**
- * Attach the sidebar to the page if it's not already attached. Then re-renders all panels.
+ * Content script handler for showing the sidebar in the top-level frame. Regular callers should call
+ * showSidebar instead, which handles calls from iframes.
+ *
+ * - Resolves when the sidebar is initialized (responds to a ping)
+ * - Shows focusCaptureDialog if a user gesture is required
+ *
+ * @see showSidebar
+ * @see pingSidebar
+ * @throws Error if the sidebar ping fails or does not respond in time
  */
-export async function showSidebar(): Promise<void> {
+// Don't memoizeUntilSettled this method. focusCaptureDialog is memoized which prevents this method from showing
+// the focus dialog from multiple times. By allowing multiple concurrent calls to showSidebarInTopFrame,
+// a subsequent call might succeed, which will then automatically close the focusCaptureDialog (via it's abort signal)
+export async function showSidebarInTopFrame() {
   reportEvent(Events.SIDEBAR_SHOW);
+
+  if (isLoadedInIframe()) {
+    console.warn("showSidebarInTopFrame should not be called in an iframe");
+  }
+
+  // Defensively handle accidental calls from iframes
   if (isMV3() || isLoadedInIframe()) {
     try {
       await showMySidePanel();
     } catch (error) {
-      if (!getErrorMessage(error).includes("user gesture")) {
+      if (!isUserGestureRequiredError(error)) {
         throw error;
       }
 
@@ -137,6 +157,18 @@ export async function showSidebar(): Promise<void> {
   }
 }
 
+/**
+ * Attach the sidebar to the page if it's not already attached. Safe to call from any frame. Resolves when the
+ * sidebar is initialized.
+ * @see showSidebarInTopFrame
+ */
+export async function showSidebar(): Promise<void> {
+  // Could consider explicitly calling showSidebarInTopFrame directly if we're already in the top frame.
+  // But the messenger will already handle that case automatically.
+  const topLevelFrame = await getTopLevelFrame();
+  await contentScriptApi.showSidebar(topLevelFrame);
+}
+
 /**
  * Force-show the panel for the given extension id
  * @param extensionId the extension UUID

src/utils/sidePanelUtils.ts

@@ -24,6 +24,13 @@ import { type PageTarget, messenger, getThisFrame } from "webext-messenger";
 import { isContentScript } from "webext-detect-page";
 import { showSidebar } from "@/contentScript/messenger/strict/api";
 
+/**
+ * Returns true if an error showing sidebar is due to a missing user gesture.
+ */
+export function isUserGestureRequiredError(error: unknown): boolean {
+  return getErrorMessage(error).includes("user gesture");
+}
+
 export async function openSidePanel(tabId: number): Promise<void> {
   if (isBrowserSidebar()) {
     console.warn(
@@ -60,10 +67,7 @@ async function openSidePanelMv3(tabId: number): Promise<void> {
     // it's still part of a user gesture.
     // If it's not, it will throw an error *even if the side panel is already open*.
     // The following code silences that error iff the side panel is already open.
-    if (
-      getErrorMessage(error).includes("user gesture") &&
-      (await isSidePanelOpen(tabId))
-    ) {
+    if (isUserGestureRequiredError(error) && (await isSidePanelOpen(tabId))) {
       // The `openSidePanel` call was not required in the first place, the error can be silenced
       // TODO: After switching to MV3, verify whether we drop that `openSidePanel` call
       return;