Bug 1855787 - Persist translation panel intro until first translation is complete r=nordzilla,translations-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D243346
2025-04-09 17:45:53 +00:00
parent 529f05587b
commit ea16ef69b1
58 changed files with 141 additions and 134 deletions
--- a/browser/components/translations/content/fullPageTranslationsPanel.js
+++ b/browser/components/translations/content/fullPageTranslationsPanel.js
@@ -655,19 +655,10 @@ var FullPageTranslationsPanel = new (class {
        "full-page-translations-panel-view-default"
      );

-      if (!this._hasShownPanel) {
-        actor.firstShowUriSpec = gBrowser.currentURI.spec;
-      }
-
-      if (
-        this._hasShownPanel &&
-        gBrowser.currentURI.spec !== actor.firstShowUriSpec
-      ) {
-        document.l10n.setAttributes(header, "translations-panel-header");
-        actor.firstShowUriSpec = null;
+      if (TranslationsParent.hasUserEverTranslated()) {
        intro.hidden = true;
+        document.l10n.setAttributes(header, "translations-panel-header");
      } else {
-        Services.prefs.setBoolPref("browser.translations.panelShown", true);
        intro.hidden = false;
        document.l10n.setAttributes(header, "translations-panel-intro-header");
      }
@@ -1450,11 +1441,9 @@ var FullPageTranslationsPanel = new (class {
  async #showEngineError(actor) {
    const { button } = this.buttonElements;
    await this.#ensureLangListsBuilt();
-    if (!this.#isShowingDefaultView()) {
-      await this.#showDefaultView(actor).catch(e => {
-        this.console?.error(e);
-      });
-    }
+    await this.#showDefaultView(actor).catch(e => {
+      this.console?.error(e);
+    });
    this.elements.error.hidden = false;
    this.#showError({
      message: "translations-panel-error-translating",
@@ -1647,10 +1636,7 @@ var FullPageTranslationsPanel = new (class {

            // Follow the same rules for displaying the first-run intro text for the
            // button's accessible tooltip label.
-            if (
-              this._hasShownPanel &&
-              gBrowser.currentURI.spec !== actor.firstShowUriSpec
-            ) {
+            if (TranslationsParent.hasUserEverTranslated()) {
              document.l10n.setAttributes(
                button,
                "urlbar-translations-button2"
@@ -1688,10 +1674,3 @@ var FullPageTranslationsPanel = new (class {
    }
  };
 })();
-
-XPCOMUtils.defineLazyPreferenceGetter(
-  FullPageTranslationsPanel,
-  "_hasShownPanel",
-  "browser.translations.panelShown",
-  false
-);
--- a/browser/components/translations/tests/browser/browser_translations_e2e_full_page_translate_with_lexical_shortlist.js
+++ b/browser/components/translations/tests/browser/browser_translations_e2e_full_page_translate_with_lexical_shortlist.js
@@ -27,7 +27,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.clickTranslateButton();
--- a/browser/components/translations/tests/browser/browser_translations_e2e_full_page_translate_without_lexical_shortlist.js
+++ b/browser/components/translations/tests/browser/browser_translations_e2e_full_page_translate_without_lexical_shortlist.js
@@ -27,7 +27,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.clickTranslateButton();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_move_tab_to_new_window.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_move_tab_to_new_window.js
@@ -26,7 +26,7 @@ add_task(async function test_browser_translations_full_page_multiple_windows() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_moz_extension.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_moz_extension.js
@@ -36,14 +36,14 @@ add_task(async function test_translations_moz_extension() {
      "The button is available."
    );

-  is(button.getAttribute("data-l10n-id"), "urlbar-translations-button2");
+  is(button.getAttribute("data-l10n-id"), "urlbar-translations-button-intro");

  await FullPageTranslationsTestUtils.assertPageIsUntranslated(runInPage);

  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickTranslateButton({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_multiple_windows.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_multiple_windows.js
@@ -29,7 +29,7 @@ add_task(async function test_browser_translations_full_page_multiple_windows() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.clickTranslateButton({
    downloadHandler: testPage1.resolveDownloads,
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_a11y_focus.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_a11y_focus.js
@@ -21,7 +21,7 @@ add_task(async function test_translations_panel_a11y_focus() {
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
    openWithKeyboard: true,
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  is(
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_always_translate_language_bad_data.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_always_translate_language_bad_data.js
@@ -16,7 +16,7 @@ add_task(async function test_always_translate_with_bad_data() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "en",
    expectedToLanguage: "",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    openFromAppMenu: true,
  });
  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_always_translate_language_basic.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_always_translate_language_basic.js
@@ -24,7 +24,7 @@ add_task(async function test_toggle_always_translate_language_menuitem() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_always_translate_language_manual.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_always_translate_language_manual.js
@@ -25,7 +25,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.clickTranslateButton({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_always_translate_language_restore.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_always_translate_language_restore.js
@@ -25,7 +25,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_app_menu_never_translate_language.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_app_menu_never_translate_language.js
@@ -26,7 +26,7 @@ add_task(async function test_uncheck_never_translate_language_shows_button() {
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
    openFromAppMenu: true,
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_app_menu_never_translate_site.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_app_menu_never_translate_site.js
@@ -24,7 +24,7 @@ add_task(async function test_uncheck_never_translate_site_shows_button() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

@@ -42,7 +42,7 @@ add_task(async function test_uncheck_never_translate_site_shows_button() {
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
    openFromAppMenu: true,
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_auto_translate_error_view.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_auto_translate_error_view.js
@@ -37,7 +37,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_auto_translate_revisit_view.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_auto_translate_revisit_view.js
@@ -32,7 +32,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_basics.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_basics.js
@@ -18,14 +18,14 @@ add_task(async function test_translations_panel_basics() {
      "The button is available."
    );

-  is(button.getAttribute("data-l10n-id"), "urlbar-translations-button2");
+  is(button.getAttribute("data-l10n-id"), "urlbar-translations-button-intro");

  await FullPageTranslationsTestUtils.assertPageIsUntranslated(runInPage);

  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickTranslateButton();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_cancel.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_cancel.js
@@ -20,7 +20,7 @@ add_task(async function test_translations_panel_cancel() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_change_app_locale.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_change_app_locale.js
@@ -23,7 +23,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    const { fromMenuList, toMenuList } = FullPageTranslationsPanel.elements;
@@ -51,7 +51,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    is(
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_close_panel_never_translate_language_with_translations_active.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_close_panel_never_translate_language_with_translations_active.js
@@ -21,7 +21,7 @@ add_task(
      openFromAppMenu: true,
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
@@ -86,7 +86,7 @@ add_task(
      openFromAppMenu: true,
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_close_panel_never_translate_language_with_translations_inactive.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_close_panel_never_translate_language_with_translations_inactive.js
@@ -20,7 +20,7 @@ add_task(async function test_panel_closes_on_toggle_never_translate_language() {
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
    openFromAppMenu: true,
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
@@ -58,7 +58,7 @@ add_task(
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
      openFromAppMenu: true,
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
@@ -77,7 +77,7 @@ add_task(
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
      openFromAppMenu: true,
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
    await FullPageTranslationsTestUtils.assertIsNeverTranslateSite(
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_close_panel_never_translate_site.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_close_panel_never_translate_site.js
@@ -20,7 +20,7 @@ add_task(async function test_panel_closes_on_toggle_never_translate_site() {
    openFromAppMenu: true,
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
@@ -60,7 +60,7 @@ add_task(
      openFromAppMenu: true,
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

@@ -128,7 +128,7 @@ add_task(
      openFromAppMenu: true,
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
@@ -145,7 +145,7 @@ add_task(
      openFromAppMenu: true,
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_engine_destroy.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_engine_destroy.js
@@ -19,7 +19,7 @@ add_task(async function test_translations_engine_destroy() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickTranslateButton({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_engine_destroy_pending.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_engine_destroy_pending.js
@@ -25,7 +25,7 @@ add_task(async function test_translations_engine_destroy_pending() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickTranslateButton({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_firstrun.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_firstrun.js
@@ -4,19 +4,19 @@
 "use strict";

 /**
- * Tests that the first run message is displayed.
+ * Tests that the first run message is displayed prior to performing a
+ * translation, but is no longer displayed after a translation occurs.
 */
 add_task(async function test_translations_panel_firstrun() {
-  const { cleanup } = await loadTestPage({
+  const { cleanup, resolveDownloads, runInPage } = await loadTestPage({
    page: SPANISH_PAGE_URL,
    languagePairs: LANGUAGE_PAIRS,
-    prefs: [["browser.translations.panelShown", false]],
  });

  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewFirstShow,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
@@ -28,10 +28,28 @@ add_task(async function test_translations_panel_firstrun() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
+  });
+
+  await FullPageTranslationsTestUtils.clickTranslateButton({
+    downloadHandler: resolveDownloads,
+  });
+
+  await FullPageTranslationsTestUtils.assertPageIsTranslated({
+    fromLanguage: "es",
+    toLanguage: "en",
+    runInPage,
+  });
+
+  await FullPageTranslationsTestUtils.openPanel({
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewRevisit,
+  });
+
+  await FullPageTranslationsTestUtils.clickRestoreButton();
+
+  await FullPageTranslationsTestUtils.openPanel({
    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
  });

-  await FullPageTranslationsTestUtils.clickCancelButton();
-
  await cleanup();
 });
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_firstrun_revisit.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_firstrun_revisit.js
@@ -6,14 +6,13 @@
 /**
 * Tests that the first-show intro message message is displayed
 * when viewing the panel subsequent times on the same URL,
- * but is no longer displayed after navigating to new URL,
- * or when returning to the first URL after navigating away.
+ * when navigating to new URL, and when returning to the first URL
+ * after navigating away.
 */
 add_task(async function test_translations_panel_firstrun() {
  const { cleanup } = await loadTestPage({
    page: SPANISH_PAGE_URL,
    languagePairs: LANGUAGE_PAIRS,
-    prefs: [["browser.translations.panelShown", false]],
  });

  await FullPageTranslationsTestUtils.assertTranslationsButton(
@@ -24,7 +23,7 @@ add_task(async function test_translations_panel_firstrun() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewFirstShow,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
@@ -32,7 +31,7 @@ add_task(async function test_translations_panel_firstrun() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewFirstShow,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
@@ -44,7 +43,7 @@ add_task(async function test_translations_panel_firstrun() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
@@ -56,7 +55,7 @@ add_task(async function test_translations_panel_firstrun() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_flip_lexical_shortlist.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_flip_lexical_shortlist.js
@@ -22,7 +22,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.clickTranslateButton({
@@ -117,7 +117,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.clickTranslateButton({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_gear.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_gear.js
@@ -15,7 +15,7 @@ add_task(async function test_translations_panel_manage_languages() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_modify_available_language_models.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_modify_available_language_models.js
@@ -28,7 +28,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    ok(
      !fromMenuList.querySelector('[value="ja"]'),
@@ -53,7 +53,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    ok(
      fromMenuList.querySelector('[value="ja"]'),
@@ -75,7 +75,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    ok(
      !fromMenuList.querySelector('[value="ja"]'),
@@ -97,7 +97,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    ok(
      !fromMenuList.querySelector('[value="ja"]'),
@@ -119,7 +119,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    ok(
      fromMenuList.querySelector('[value="ja"]'),
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_never_translate_language.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_never_translate_language.js
@@ -24,7 +24,7 @@ add_task(async function test_toggle_never_translate_language_menuitem() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

@@ -74,7 +74,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.clickTranslateButton({
@@ -133,7 +133,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_never_translate_site_auto.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_never_translate_site_auto.js
@@ -26,7 +26,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });
    await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_never_translate_site_basic.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_never_translate_site_basic.js
@@ -25,7 +25,7 @@ add_task(async function test_toggle_never_translate_site_menuitem() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_never_translate_site_manual.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_never_translate_site_manual.js
@@ -27,7 +27,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.clickTranslateButton({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_retry.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_retry.js
@@ -22,7 +22,7 @@ add_task(async function test_translations_panel_retry() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickTranslateButton({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_script_tags.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_script_tags.js
@@ -27,7 +27,7 @@ add_task(async function test_translations_panel_source_lang_has_script_tag() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.changeSelectedFromLanguage({
@@ -76,7 +76,7 @@ add_task(async function test_translations_panel_target_lang_has_script_tag() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.changeSelectedToLanguage({
@@ -125,7 +125,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.changeSelectedFromLanguage({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_settings_unsupported_lang.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_settings_unsupported_lang.js
@@ -29,7 +29,7 @@ add_task(async function test_unsupported_language_settings_menu_checkboxes() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_switch_languages.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_switch_languages.js
@@ -22,7 +22,7 @@ add_task(async function test_translations_panel_switch_language() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  const { translateButton } = FullPageTranslationsPanel.elements;
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_switch_tabs_before_engine_ready.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_switch_tabs_before_engine_ready.js
@@ -44,7 +44,7 @@ add_task(async function test_button_does_not_update_when_button_is_not_shown() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickTranslateButton();
@@ -132,7 +132,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.changeSelectedToLanguage({
@@ -204,7 +204,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.changeSelectedToLanguage({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_target_language_persists_on_reopen.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_target_language_persists_on_reopen.js
@@ -25,7 +25,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.changeSelectedToLanguage({
@@ -38,7 +38,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "uk",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await cleanup();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_unsupported_lang.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_unsupported_lang.js
@@ -22,8 +22,10 @@ add_task(async function test_unsupported_lang() {
      FullPageTranslationsTestUtils.assertPanelViewUnsupportedLanguage,
  });

-  await FullPageTranslationsTestUtils.clickChangeSourceLanguageButton();
-  FullPageTranslationsTestUtils.assertPanelViewDefault();
+  await FullPageTranslationsTestUtils.clickChangeSourceLanguageButton({
+    intro: true,
+  });
+  FullPageTranslationsTestUtils.assertPanelViewIntro();
  FullPageTranslationsTestUtils.assertSelectedFromLanguage({ langTag: "" });
  FullPageTranslationsTestUtils.assertSelectedToLanguage({ langTag: "en" });

--- a/browser/components/translations/tests/browser/browser_translations_full_page_panel_weblanguage_differs_from_app.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_weblanguage_differs_from_app.js
@@ -23,7 +23,7 @@ add_task(async function test_weblanguage_differs_app_locale() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "en",
    expectedToLanguage: "fr",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_reader_mode.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_reader_mode.js
@@ -75,7 +75,7 @@ add_task(async function test_translations_persist_in_reader_mode() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickTranslateButton({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_auto_translate.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_auto_translate.js
@@ -24,7 +24,7 @@ add_task(async function test_translations_telemetry_auto_translate() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewFirstShow,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
  await FullPageTranslationsTestUtils.clickAlwaysTranslateLanguage({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_basics.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_basics.js
@@ -25,7 +25,7 @@ add_task(async function test_translations_telemetry_basics() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewFirstShow,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
@@ -57,7 +57,7 @@ add_task(async function test_translations_telemetry_basics() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewFirstShow,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_open_panel.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_open_panel.js
@@ -24,7 +24,7 @@ add_task(async function test_translations_telemetry_open_panel() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
@@ -56,7 +56,7 @@ add_task(async function test_translations_telemetry_open_panel() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_panel_auto_offer.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_panel_auto_offer.js
@@ -50,7 +50,7 @@ add_task(async function test_translations_panel_auto_offer() {

  await navigate("Navigate to a page on a different domain.", {
    url: SPANISH_PAGE_URL_DOT_ORG,
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickCancelButton();
--- a/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_panel_auto_offer_settings.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_panel_auto_offer_settings.js
@@ -27,7 +27,7 @@ add_task(async function test_translations_panel_auto_offer_settings() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.openTranslationsSettingsMenu();
  await FullPageTranslationsTestUtils.assertIsAlwaysOfferTranslationsEnabled(
@@ -61,7 +61,7 @@ add_task(async function test_translations_panel_auto_offer_settings() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });
  await FullPageTranslationsTestUtils.assertIsAlwaysOfferTranslationsEnabled(
    true
@@ -97,7 +97,7 @@ add_task(async function test_translations_panel_auto_offer_settings() {
    "Wait for the popup to be shown when navigating to a different host.",
    {
      url: SPANISH_PAGE_URL_DOT_ORG,
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    }
  );

--- a/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_retranslate.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_retranslate.js
@@ -20,7 +20,7 @@ add_task(async function test_translations_telemetry_retranslate() {
  await FullPageTranslationsTestUtils.assertPageIsUntranslated(runInPage);

  await FullPageTranslationsTestUtils.openPanel({
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.changeSelectedFromLanguage({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_switch_languages.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_switch_languages.js
@@ -22,7 +22,7 @@ add_task(async function test_translations_telemetry_switch_from_language() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.changeSelectedFromLanguage({
@@ -117,7 +117,7 @@ add_task(async function test_translations_telemetry_switch_to_language() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.changeSelectedToLanguage({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_translation_failure.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_translation_failure.js
@@ -34,7 +34,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await TestTranslationsTelemetry.assertEvent(Glean.translationsPanel.open, {
--- a/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_translation_request.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_translation_request.js
@@ -29,7 +29,7 @@ add_task(async function test_translations_telemetry_manual_translation() {
  await FullPageTranslationsTestUtils.openPanel({
    expectedFromLanguage: "es",
    expectedToLanguage: "en",
-    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
  });

  await FullPageTranslationsTestUtils.clickTranslateButton({
--- a/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_unsupported_lang.js
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_telemetry_unsupported_lang.js
@@ -35,7 +35,7 @@ add_task(async function test_translations_telemetry_unsupported_lang() {
  });

  await FullPageTranslationsTestUtils.clickChangeSourceLanguageButton({
-    firstShow: true,
+    intro: true,
  });

  await TestTranslationsTelemetry.assertEvent(
@@ -124,7 +124,7 @@ add_task(async function test_translations_telemetry_unsupported_lang() {
  });

  await FullPageTranslationsTestUtils.clickChangeSourceLanguageButton({
-    firstShow: true,
+    intro: true,
  });

  await TestTranslationsTelemetry.assertEvent(
--- a/browser/components/translations/tests/browser/browser_translations_recent_language_memory_full_page_and_select.js
+++ b/browser/components/translations/tests/browser/browser_translations_recent_language_memory_full_page_and_select.js
@@ -26,7 +26,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.changeSelectedToLanguage({
--- a/browser/components/translations/tests/browser/browser_translations_recent_language_memory_full_page_multi_window.js
+++ b/browser/components/translations/tests/browser/browser_translations_recent_language_memory_full_page_multi_window.js
@@ -36,7 +36,7 @@ add_task(
      win: window1,
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.changeSelectedToLanguage({
--- a/browser/components/translations/tests/browser/browser_translations_recent_language_memory_full_page_navigate.js
+++ b/browser/components/translations/tests/browser/browser_translations_recent_language_memory_full_page_navigate.js
@@ -25,7 +25,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.changeSelectedToLanguage({
--- a/browser/components/translations/tests/browser/browser_translations_recent_language_memory_full_page_retranslate.js
+++ b/browser/components/translations/tests/browser/browser_translations_recent_language_memory_full_page_retranslate.js
@@ -24,7 +24,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.changeSelectedToLanguage({
--- a/browser/components/translations/tests/browser/browser_translations_select_context_menu_with_full_page_translations_active.js
+++ b/browser/components/translations/tests/browser/browser_translations_select_context_menu_with_full_page_translations_active.js
@@ -38,7 +38,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.clickTranslateButton({
@@ -121,7 +121,7 @@ add_task(
    await FullPageTranslationsTestUtils.openPanel({
      expectedFromLanguage: "es",
      expectedToLanguage: "en",
-      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+      onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewIntro,
    });

    await FullPageTranslationsTestUtils.clickTranslateButton({
--- a/browser/components/translations/tests/browser/head.js
+++ b/browser/components/translations/tests/browser/head.js
@@ -1531,10 +1531,10 @@ class FullPageTranslationsTestUtils {
  }

  /**
-   * Asserts that panel element visibility matches the panel first-show view.
+   * Asserts that panel element visibility matches the panel intro view.
   */
-  static assertPanelViewFirstShow() {
-    info("Checking that the panel shows the first-show view");
+  static assertPanelViewIntro() {
+    info("Checking that the panel shows the intro view");
    FullPageTranslationsTestUtils.#assertPanelMainViewId(
      "full-page-translations-panel-view-default"
    );
@@ -1549,10 +1549,10 @@ class FullPageTranslationsTestUtils {
  }

  /**
-   * Asserts that panel element visibility matches the panel first-show error view.
+   * Asserts that panel element visibility matches the panel intro error view.
   */
-  static assertPanelViewFirstShowError() {
-    info("Checking that the panel shows the first-show error view");
+  static assertPanelViewIntroError() {
+    info("Checking that the panel shows the intro error view");
    FullPageTranslationsTestUtils.#assertPanelMainViewId(
      "full-page-translations-panel-view-default"
    );
@@ -1742,11 +1742,11 @@ class FullPageTranslationsTestUtils {
   * Simulates clicking the change-source-language button.
   *
   * @param {object} config
-   * @param {boolean} config.firstShow
-   *  - True if the first-show view should be expected
+   * @param {boolean} config.intro
+   *  - True if the intro view should be expected
   *    False if the default view should be expected
   */
-  static async clickChangeSourceLanguageButton({ firstShow = false } = {}) {
+  static async clickChangeSourceLanguageButton({ intro = false } = {}) {
    logAction();
    const { changeSourceLanguageButton } = FullPageTranslationsPanel.elements;
    assertVisibility({ visible: { changeSourceLanguageButton } });
@@ -1758,8 +1758,8 @@ class FullPageTranslationsTestUtils {
          "Click the change-source-language button"
        );
      },
-      firstShow
-        ? FullPageTranslationsTestUtils.assertPanelViewFirstShow
+      intro
+        ? FullPageTranslationsTestUtils.assertPanelViewIntro
        : FullPageTranslationsTestUtils.assertPanelViewDefault
    );
  }
--- a/toolkit/components/translations/actors/TranslationsParent.sys.mjs
+++ b/toolkit/components/translations/actors/TranslationsParent.sys.mjs
@@ -1078,6 +1078,15 @@ export class TranslationsParent extends JSWindowActorParent {
    return TranslationsParent.#mostRecentTargetLanguages;
  }

+  /**
+   * Returns true if the active user has ever triggered a translation request, otherwise false.
+   *
+   * @returns {boolean}
+   */
+  static hasUserEverTranslated() {
+    return !!TranslationsParent.#getMostRecentTargetLanguages().length;
+  }
+
  /**
   * Retrieves the user's preferred languages from the settings based on:
   *