From 40a355a42d4a9444dc753c04c6608dade2f06a23 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:13:27 +0200 Subject: Adding upstream version 125.0.1. Signed-off-by: Daniel Baumann --- .../content/TranslationsPanelShared.sys.mjs | 122 ++ .../content/fullPageTranslationsPanel.inc.xhtml | 146 ++ .../content/fullPageTranslationsPanel.js | 1542 ++++++++++++++++++ .../content/selectTranslationsPanel.inc.xhtml | 102 ++ .../content/selectTranslationsPanel.js | 220 +++ .../content/translationsPanel.inc.xhtml | 145 -- .../translations/content/translationsPanel.js | 1630 -------------------- 7 files changed, 2132 insertions(+), 1775 deletions(-) create mode 100644 browser/components/translations/content/TranslationsPanelShared.sys.mjs create mode 100644 browser/components/translations/content/fullPageTranslationsPanel.inc.xhtml create mode 100644 browser/components/translations/content/fullPageTranslationsPanel.js create mode 100644 browser/components/translations/content/selectTranslationsPanel.inc.xhtml create mode 100644 browser/components/translations/content/selectTranslationsPanel.js delete mode 100644 browser/components/translations/content/translationsPanel.inc.xhtml delete mode 100644 browser/components/translations/content/translationsPanel.js (limited to 'browser/components/translations/content') diff --git a/browser/components/translations/content/TranslationsPanelShared.sys.mjs b/browser/components/translations/content/TranslationsPanelShared.sys.mjs new file mode 100644 index 0000000000..570528df3f --- /dev/null +++ b/browser/components/translations/content/TranslationsPanelShared.sys.mjs @@ -0,0 +1,122 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + TranslationsParent: "resource://gre/actors/TranslationsParent.sys.mjs", +}); + +/** + * A class containing static functionality that is shared by both + * the FullPageTranslationsPanel and SelectTranslationsPanel classes. + */ +export class TranslationsPanelShared { + static #langListsInitState = new Map(); + + /** + * Defines lazy getters for accessing elements in the document based on provided entries. + * + * @param {Document} document - The document object. + * @param {object} lazyElements - An object where lazy getters will be defined. + * @param {object} entries - An object of key/value pairs for which to define lazy getters. + */ + static defineLazyElements(document, lazyElements, entries) { + for (const [name, discriminator] of Object.entries(entries)) { + let element; + Object.defineProperty(lazyElements, name, { + get: () => { + if (!element) { + if (discriminator[0] === ".") { + // Lookup by class + element = document.querySelector(discriminator); + } else { + // Lookup by id + element = document.getElementById(discriminator); + } + } + if (!element) { + throw new Error(`Could not find "${name}" at "#${discriminator}".`); + } + return element; + }, + }); + } + } + + /** + * Retrieves the initialization state of language lists for the specified panel. + * + * @param {FullPageTranslationsPanel | SelectTranslationsPanel} panel + * - The panel for which to look up the state. + */ + static getLangListsInitState(panel) { + return TranslationsPanelShared.#langListsInitState.get(panel.id); + } + + /** + * Builds the of languages for both the "from" and "to". This can be + * called every time the popup is shown, as it will retry when there is an error + * (such as a network error) or be a noop if it's already initialized. + * + * @param {Document} document - The document object. + * @param {FullPageTranslationsPanel | SelectTranslationsPanel} panel + * - The panel for which to ensure language lists are built. + */ + static async ensureLangListsBuilt(document, panel, innerWindowId) { + const { id } = panel; + switch ( + TranslationsPanelShared.#langListsInitState.get(`${id}-${innerWindowId}`) + ) { + case "initialized": + // This has already been initialized. + return; + case "error": + case undefined: + // attempt to initialize + break; + default: + throw new Error( + `Unknown langList phase ${ + TranslationsPanelShared.#langListsInitState + }` + ); + } + /** @type {SupportedLanguages} */ + const { languagePairs, fromLanguages, toLanguages } = + await lazy.TranslationsParent.getSupportedLanguages(); + + // Verify that we are in a proper state. + if (languagePairs.length === 0) { + throw new Error("No translation languages were retrieved."); + } + + const fromPopups = panel.querySelectorAll( + ".translations-panel-language-menupopup-from" + ); + const toPopups = panel.querySelectorAll( + ".translations-panel-language-menupopup-to" + ); + + for (const popup of fromPopups) { + for (const { langTag, displayName } of fromLanguages) { + const fromMenuItem = document.createXULElement("menuitem"); + fromMenuItem.setAttribute("value", langTag); + fromMenuItem.setAttribute("label", displayName); + popup.appendChild(fromMenuItem); + } + } + + for (const popup of toPopups) { + for (const { langTag, displayName } of toLanguages) { + const toMenuItem = document.createXULElement("menuitem"); + toMenuItem.setAttribute("value", langTag); + toMenuItem.setAttribute("label", displayName); + popup.appendChild(toMenuItem); + } + } + + TranslationsPanelShared.#langListsInitState.set(id, "initialized"); + } +} diff --git a/browser/components/translations/content/fullPageTranslationsPanel.inc.xhtml b/browser/components/translations/content/fullPageTranslationsPanel.inc.xhtml new file mode 100644 index 0000000000..bc0c5b319f --- /dev/null +++ b/browser/components/translations/content/fullPageTranslationsPanel.inc.xhtml @@ -0,0 +1,146 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/browser/components/translations/content/fullPageTranslationsPanel.js b/browser/components/translations/content/fullPageTranslationsPanel.js new file mode 100644 index 0000000000..2e35440160 --- /dev/null +++ b/browser/components/translations/content/fullPageTranslationsPanel.js @@ -0,0 +1,1542 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* eslint-env mozilla/browser-window */ + +/* eslint-disable jsdoc/valid-types */ +/** + * @typedef {import("../../../../toolkit/components/translations/translations").LangTags} LangTags + */ +/* eslint-enable jsdoc/valid-types */ + +ChromeUtils.defineESModuleGetters(this, { + PageActions: "resource:///modules/PageActions.sys.mjs", + TranslationsTelemetry: + "chrome://browser/content/translations/TranslationsTelemetry.sys.mjs", + TranslationsPanelShared: + "chrome://browser/content/translations/TranslationsPanelShared.sys.mjs", +}); + +/** + * The set of actions that can occur from interaction with the + * translations panel. + */ +const PageAction = Object.freeze({ + NO_CHANGE: "NO_CHANGE", + RESTORE_PAGE: "RESTORE_PAGE", + TRANSLATE_PAGE: "TRANSLATE_PAGE", + CLOSE_PANEL: "CLOSE_PANEL", +}); + +/** + * A mechanism for determining the next relevant page action + * based on the current translated state of the page and the state + * of the persistent options in the translations panel settings. + */ +class CheckboxPageAction { + /** + * Whether or not translations is active on the page. + * + * @type {boolean} + */ + #translationsActive = false; + + /** + * Whether the always-translate-language menuitem is checked + * in the translations panel settings menu. + * + * @type {boolean} + */ + #alwaysTranslateLanguage = false; + + /** + * Whether the never-translate-language menuitem is checked + * in the translations panel settings menu. + * + * @type {boolean} + */ + #neverTranslateLanguage = false; + + /** + * Whether the never-translate-site menuitem is checked + * in the translations panel settings menu. + * + * @type {boolean} + */ + #neverTranslateSite = false; + + /** + * @param {boolean} translationsActive + * @param {boolean} alwaysTranslateLanguage + * @param {boolean} neverTranslateLanguage + * @param {boolean} neverTranslateSite + */ + constructor( + translationsActive, + alwaysTranslateLanguage, + neverTranslateLanguage, + neverTranslateSite + ) { + this.#translationsActive = translationsActive; + this.#alwaysTranslateLanguage = alwaysTranslateLanguage; + this.#neverTranslateLanguage = neverTranslateLanguage; + this.#neverTranslateSite = neverTranslateSite; + } + + /** + * Accepts four integers that are either 0 or 1 and returns + * a single, unique number for each possible combination of + * values. + * + * @param {number} translationsActive + * @param {number} alwaysTranslateLanguage + * @param {number} neverTranslateLanguage + * @param {number} neverTranslateSite + * + * @returns {number} - An integer representation of the state + */ + static #computeState( + translationsActive, + alwaysTranslateLanguage, + neverTranslateLanguage, + neverTranslateSite + ) { + return ( + (translationsActive << 3) | + (alwaysTranslateLanguage << 2) | + (neverTranslateLanguage << 1) | + neverTranslateSite + ); + } + + /** + * Returns the current state of the data members as a single number. + * + * @returns {number} - An integer representation of the state + */ + #state() { + return CheckboxPageAction.#computeState( + Number(this.#translationsActive), + Number(this.#alwaysTranslateLanguage), + Number(this.#neverTranslateLanguage), + Number(this.#neverTranslateSite) + ); + } + + /** + * Returns the next page action to take when the always-translate-language + * menuitem is toggled in the translations panel settings menu. + * + * @returns {PageAction} + */ + alwaysTranslateLanguage() { + switch (this.#state()) { + case CheckboxPageAction.#computeState(1, 1, 0, 1): + case CheckboxPageAction.#computeState(1, 1, 0, 0): + return PageAction.RESTORE_PAGE; + case CheckboxPageAction.#computeState(0, 0, 1, 0): + case CheckboxPageAction.#computeState(0, 0, 0, 0): + return PageAction.TRANSLATE_PAGE; + } + return PageAction.NO_CHANGE; + } + + /** + * Returns the next page action to take when the never-translate-language + * menuitem is toggled in the translations panel settings menu. + * + * @returns {PageAction} + */ + neverTranslateLanguage() { + switch (this.#state()) { + case CheckboxPageAction.#computeState(1, 1, 0, 1): + case CheckboxPageAction.#computeState(1, 1, 0, 0): + case CheckboxPageAction.#computeState(1, 0, 0, 1): + case CheckboxPageAction.#computeState(1, 0, 0, 0): + return PageAction.RESTORE_PAGE; + case CheckboxPageAction.#computeState(0, 1, 0, 0): + case CheckboxPageAction.#computeState(0, 0, 0, 1): + case CheckboxPageAction.#computeState(0, 1, 0, 1): + case CheckboxPageAction.#computeState(0, 0, 0, 0): + return PageAction.CLOSE_PANEL; + } + return PageAction.NO_CHANGE; + } + + /** + * Returns the next page action to take when the never-translate-site + * menuitem is toggled in the translations panel settings menu. + * + * @returns {PageAction} + */ + neverTranslateSite() { + switch (this.#state()) { + case CheckboxPageAction.#computeState(1, 1, 0, 0): + case CheckboxPageAction.#computeState(1, 0, 1, 0): + case CheckboxPageAction.#computeState(1, 0, 0, 0): + return PageAction.RESTORE_PAGE; + case CheckboxPageAction.#computeState(0, 1, 0, 1): + return PageAction.TRANSLATE_PAGE; + case CheckboxPageAction.#computeState(0, 0, 1, 0): + case CheckboxPageAction.#computeState(0, 1, 0, 0): + case CheckboxPageAction.#computeState(0, 0, 0, 0): + return PageAction.CLOSE_PANEL; + } + return PageAction.NO_CHANGE; + } +} + +/** + * This singleton class controls the Translations popup panel. + * + * This component is a `/browser` component, and the actor is a `/toolkit` actor, so care + * must be taken to keep the presentation (this component) from the state management + * (the Translations actor). This class reacts to state changes coming from the + * Translations actor. + */ +var FullPageTranslationsPanel = new (class { + /** @type {Console?} */ + #console; + + /** + * The cached detected languages for both the document and the user. + * + * @type {null | LangTags} + */ + detectedLanguages = null; + + /** + * Lazily get a console instance. Note that this script is loaded in very early to + * the browser loading process, and may run before the console is avialable. In + * this case the console will return as `undefined`. + * + * @returns {Console | void} + */ + get console() { + if (!this.#console) { + try { + this.#console = console.createInstance({ + maxLogLevelPref: "browser.translations.logLevel", + prefix: "Translations", + }); + } catch { + // The console may not be initialized yet. + } + } + return this.#console; + } + + /** + * Tracks if the popup is open, or scheduled to be open. + * + * @type {boolean} + */ + #isPopupOpen = false; + + /** + * Where the lazy elements are stored. + * + * @type {Record?} + */ + #lazyElements; + + /** + * Lazily creates the dom elements, and lazily selects them. + * + * @returns {Record} + */ + get elements() { + if (!this.#lazyElements) { + // Lazily turn the template into a DOM element. + /** @type {HTMLTemplateElement} */ + const wrapper = document.getElementById("template-translations-panel"); + const panel = wrapper.content.firstElementChild; + wrapper.replaceWith(wrapper.content); + + const settingsButton = document.getElementById( + "translations-panel-settings" + ); + // Clone the settings toolbarbutton across all the views. + for (const header of panel.querySelectorAll(".panel-header")) { + if (header.contains(settingsButton)) { + continue; + } + const settingsButtonClone = settingsButton.cloneNode(true); + settingsButtonClone.removeAttribute("id"); + header.appendChild(settingsButtonClone); + } + + // Lazily select the elements. + this.#lazyElements = { + panel, + settingsButton, + // The rest of the elements are set by the getter below. + }; + + TranslationsPanelShared.defineLazyElements(document, this.#lazyElements, { + alwaysTranslateLanguageMenuItem: ".always-translate-language-menuitem", + appMenuButton: "PanelUI-menu-button", + cancelButton: "full-page-translations-panel-cancel", + changeSourceLanguageButton: + "full-page-translations-panel-change-source-language", + dismissErrorButton: "full-page-translations-panel-dismiss-error", + error: "full-page-translations-panel-error", + errorMessage: "full-page-translations-panel-error-message", + errorMessageHint: "full-page-translations-panel-error-message-hint", + errorHintAction: "full-page-translations-panel-translate-hint-action", + fromMenuList: "full-page-translations-panel-from", + fromLabel: "full-page-translations-panel-from-label", + header: "full-page-translations-panel-header", + intro: "full-page-translations-panel-intro", + introLearnMoreLink: + "full-page-translations-panel-intro-learn-more-link", + langSelection: "full-page-translations-panel-lang-selection", + manageLanguagesMenuItem: ".manage-languages-menuitem", + multiview: "full-page-translations-panel-multiview", + neverTranslateLanguageMenuItem: ".never-translate-language-menuitem", + neverTranslateSiteMenuItem: ".never-translate-site-menuitem", + restoreButton: "full-page-translations-panel-restore-button", + toLabel: "full-page-translations-panel-to-label", + toMenuList: "full-page-translations-panel-to", + translateButton: "full-page-translations-panel-translate", + unsupportedHeader: + "full-page-translations-panel-unsupported-language-header", + unsupportedHint: "full-page-translations-panel-error-unsupported-hint", + unsupportedLearnMoreLink: + "full-page-translations-panel-unsupported-learn-more-link", + }); + } + + return this.#lazyElements; + } + + #lazyButtonElements = null; + + /** + * When accessing `this.elements` the first time, it de-lazifies the custom components + * that are needed for the popup. Avoid that by having a second element lookup + * just for modifying the button. + */ + get buttonElements() { + if (!this.#lazyButtonElements) { + this.#lazyButtonElements = { + button: document.getElementById("translations-button"), + buttonLocale: document.getElementById("translations-button-locale"), + buttonCircleArrows: document.getElementById( + "translations-button-circle-arrows" + ), + }; + } + return this.#lazyButtonElements; + } + + /** + * Cache the last command used for error hints so that it can be later removed. + */ + #lastHintCommand = null; + + /** + * @param {object} options + * @param {string} options.message - l10n id + * @param {string} options.hint - l10n id + * @param {string} options.actionText - l10n id + * @param {Function} options.actionCommand - The action to perform. + */ + #showError({ + message, + hint, + actionText: hintCommandText, + actionCommand: hintCommand, + }) { + const { error, errorMessage, errorMessageHint, errorHintAction, intro } = + this.elements; + error.hidden = false; + intro.hidden = true; + document.l10n.setAttributes(errorMessage, message); + + if (hint) { + errorMessageHint.hidden = false; + document.l10n.setAttributes(errorMessageHint, hint); + } else { + errorMessageHint.hidden = true; + } + + if (hintCommand && hintCommandText) { + errorHintAction.removeEventListener("command", this.#lastHintCommand); + this.#lastHintCommand = hintCommand; + errorHintAction.addEventListener("command", hintCommand); + errorHintAction.hidden = false; + document.l10n.setAttributes(errorHintAction, hintCommandText); + } else { + errorHintAction.hidden = true; + } + } + + /** + * @returns {TranslationsParent} + */ + #getTranslationsActor() { + const actor = + gBrowser.selectedBrowser.browsingContext.currentWindowGlobal.getActor( + "Translations" + ); + + if (!actor) { + throw new Error("Unable to get the TranslationsParent"); + } + return actor; + } + + /** + * Fetches the language tags for the document and the user and caches the results + * Use `#getCachedDetectedLanguages` when the lang tags do not need to be re-fetched. + * This requires a bit of work to do, so prefer the cached version when possible. + * + * @returns {Promise} + */ + async #fetchDetectedLanguages() { + this.detectedLanguages = + await this.#getTranslationsActor().getDetectedLanguages(); + return this.detectedLanguages; + } + + /** + * If the detected language tags have been retrieved previously, return the cached + * version. Otherwise do a fresh lookup of the document's language tag. + * + * @returns {Promise} + */ + async #getCachedDetectedLanguages() { + if (!this.detectedLanguages) { + return this.#fetchDetectedLanguages(); + } + return this.detectedLanguages; + } + + /** + * Builds the of languages for both the "from" and "to". This can be + * called every time the popup is shown, as it will retry when there is an error + * (such as a network error) or be a noop if it's already initialized. + */ + async #ensureLangListsBuilt() { + try { + await TranslationsPanelShared.ensureLangListsBuilt( + document, + this.elements.panel, + gBrowser.selectedBrowser.innerWindowID + ); + } catch (error) { + this.console?.error(error); + } + } + + /** + * Reactively sets the views based on the async state changes of the engine, and + * other component state changes. + * + * @param {TranslationsLanguageState} languageState + */ + #updateViewFromTranslationStatus( + languageState = this.#getTranslationsActor().languageState + ) { + const { translateButton, toMenuList, fromMenuList, header, cancelButton } = + this.elements; + const { requestedTranslationPair, isEngineReady } = languageState; + + if ( + requestedTranslationPair && + !isEngineReady && + toMenuList.value === requestedTranslationPair.toLanguage && + fromMenuList.value === requestedTranslationPair.fromLanguage + ) { + // A translation has been requested, but is not ready yet. + document.l10n.setAttributes( + translateButton, + "translations-panel-translate-button-loading" + ); + translateButton.disabled = true; + cancelButton.hidden = false; + this.updateUIForReTranslation(false /* isReTranslation */); + } else { + document.l10n.setAttributes( + translateButton, + "translations-panel-translate-button" + ); + translateButton.disabled = + // The translation languages are the same, don't allow this translation. + toMenuList.value === fromMenuList.value || + // No "to" language was provided. + !toMenuList.value || + // No "from" language was provided. + !fromMenuList.value || + // This is the requested translation pair. + (requestedTranslationPair && + requestedTranslationPair.fromLanguage === fromMenuList.value && + requestedTranslationPair.toLanguage === toMenuList.value); + } + + if (requestedTranslationPair && isEngineReady) { + const { fromLanguage, toLanguage } = requestedTranslationPair; + const displayNames = new Services.intl.DisplayNames(undefined, { + type: "language", + }); + cancelButton.hidden = true; + this.updateUIForReTranslation(true /* isReTranslation */); + + document.l10n.setAttributes(header, "translations-panel-revisit-header", { + fromLanguage: displayNames.of(fromLanguage), + toLanguage: displayNames.of(toLanguage), + }); + } else { + document.l10n.setAttributes(header, "translations-panel-header"); + } + } + + /** + * @param {boolean} isReTranslation + */ + updateUIForReTranslation(isReTranslation) { + const { restoreButton, fromLabel, fromMenuList, toLabel } = this.elements; + restoreButton.hidden = !isReTranslation; + // When offering to re-translate a page, hide the "from" language so users don't + // get confused. + fromLabel.hidden = isReTranslation; + fromMenuList.hidden = isReTranslation; + if (isReTranslation) { + fromLabel.style.marginBlockStart = ""; + toLabel.style.marginBlockStart = 0; + } else { + fromLabel.style.marginBlockStart = 0; + toLabel.style.marginBlockStart = ""; + } + } + + /** + * Returns true if the panel is currently showing the default view, otherwise false. + * + * @returns {boolean} + */ + #isShowingDefaultView() { + if (!this.#lazyElements) { + // Nothing has been initialized. + return false; + } + const { multiview } = this.elements; + return ( + multiview.getAttribute("mainViewId") === + "full-page-translations-panel-view-default" + ); + } + + /** + * Show the default view of choosing a source and target language. + * + * @param {TranslationsParent} actor + * @param {boolean} force - Force the page to show translation options. + */ + async #showDefaultView(actor, force = false) { + const { + fromMenuList, + multiview, + panel, + error, + toMenuList, + translateButton, + langSelection, + intro, + header, + } = this.elements; + + this.#updateViewFromTranslationStatus(); + + // Unconditionally hide the intro text in case the panel is re-shown. + intro.hidden = true; + + if (TranslationsPanelShared.getLangListsInitState(panel) === "error") { + // There was an error, display it in the view rather than the language + // dropdowns. + const { cancelButton, errorHintAction } = this.elements; + + this.#showError({ + message: "translations-panel-error-load-languages", + hint: "translations-panel-error-load-languages-hint", + actionText: "translations-panel-error-load-languages-hint-button", + actionCommand: () => this.#reloadLangList(actor), + }); + + translateButton.disabled = true; + this.updateUIForReTranslation(false /* isReTranslation */); + cancelButton.hidden = false; + langSelection.hidden = true; + errorHintAction.disabled = false; + return; + } + + // Remove any old selected values synchronously before asking for new ones. + fromMenuList.value = ""; + error.hidden = true; + langSelection.hidden = false; + + /** @type {null | LangTags} */ + const langTags = await this.#fetchDetectedLanguages(); + if (langTags?.isDocLangTagSupported || force) { + // Show the default view with the language selection + const { cancelButton } = this.elements; + + if (langTags?.isDocLangTagSupported) { + fromMenuList.value = langTags?.docLangTag ?? ""; + } else { + fromMenuList.value = ""; + } + toMenuList.value = langTags?.userLangTag ?? ""; + + this.onChangeLanguages(); + + this.updateUIForReTranslation(false /* isReTranslation */); + cancelButton.hidden = false; + multiview.setAttribute( + "mainViewId", + "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; + intro.hidden = true; + } else { + Services.prefs.setBoolPref("browser.translations.panelShown", true); + intro.hidden = false; + document.l10n.setAttributes(header, "translations-panel-intro-header"); + } + } else { + // Show the "unsupported language" view. + const { unsupportedHint } = this.elements; + multiview.setAttribute( + "mainViewId", + "full-page-translations-panel-view-unsupported-language" + ); + let language; + if (langTags?.docLangTag) { + const displayNames = new Intl.DisplayNames(undefined, { + type: "language", + fallback: "none", + }); + language = displayNames.of(langTags.docLangTag); + } + if (language) { + document.l10n.setAttributes( + unsupportedHint, + "translations-panel-error-unsupported-hint-known", + { language } + ); + } else { + document.l10n.setAttributes( + unsupportedHint, + "translations-panel-error-unsupported-hint-unknown" + ); + } + } + + // Focus the "from" language, as it is the only field not set. + panel.addEventListener( + "ViewShown", + () => { + if (!fromMenuList.value) { + fromMenuList.focus(); + } + if (!toMenuList.value) { + toMenuList.focus(); + } + }, + { once: true } + ); + } + + /** + * Updates the checked states of the settings menu checkboxes that + * pertain to languages. + */ + async #updateSettingsMenuLanguageCheckboxStates() { + const langTags = await this.#getCachedDetectedLanguages(); + const { docLangTag, isDocLangTagSupported } = langTags; + + const { panel } = this.elements; + const alwaysTranslateMenuItems = panel.ownerDocument.querySelectorAll( + ".always-translate-language-menuitem" + ); + const neverTranslateMenuItems = panel.ownerDocument.querySelectorAll( + ".never-translate-language-menuitem" + ); + const alwaysOfferTranslationsMenuItems = + panel.ownerDocument.querySelectorAll( + ".always-offer-translations-menuitem" + ); + + const alwaysOfferTranslations = + TranslationsParent.shouldAlwaysOfferTranslations(); + const alwaysTranslateLanguage = + TranslationsParent.shouldAlwaysTranslateLanguage(langTags); + const neverTranslateLanguage = + TranslationsParent.shouldNeverTranslateLanguage(docLangTag); + const shouldDisable = + !docLangTag || + !isDocLangTagSupported || + docLangTag === new Intl.Locale(Services.locale.appLocaleAsBCP47).language; + + for (const menuitem of alwaysOfferTranslationsMenuItems) { + menuitem.setAttribute( + "checked", + alwaysOfferTranslations ? "true" : "false" + ); + } + for (const menuitem of alwaysTranslateMenuItems) { + menuitem.setAttribute( + "checked", + alwaysTranslateLanguage ? "true" : "false" + ); + menuitem.disabled = shouldDisable; + } + for (const menuitem of neverTranslateMenuItems) { + menuitem.setAttribute( + "checked", + neverTranslateLanguage ? "true" : "false" + ); + menuitem.disabled = shouldDisable; + } + } + + /** + * Updates the checked states of the settings menu checkboxes that + * pertain to site permissions. + */ + async #updateSettingsMenuSiteCheckboxStates() { + const { panel } = this.elements; + const neverTranslateSiteMenuItems = panel.ownerDocument.querySelectorAll( + ".never-translate-site-menuitem" + ); + const neverTranslateSite = + await this.#getTranslationsActor().shouldNeverTranslateSite(); + + for (const menuitem of neverTranslateSiteMenuItems) { + menuitem.setAttribute("checked", neverTranslateSite ? "true" : "false"); + } + } + + /** + * Populates the language-related settings menuitems by adding the + * localized display name of the document's detected language tag. + */ + async #populateSettingsMenuItems() { + const { docLangTag } = await this.#getCachedDetectedLanguages(); + + const { panel } = this.elements; + + const alwaysTranslateMenuItems = panel.ownerDocument.querySelectorAll( + ".always-translate-language-menuitem" + ); + const neverTranslateMenuItems = panel.ownerDocument.querySelectorAll( + ".never-translate-language-menuitem" + ); + + /** @type {string | undefined} */ + let docLangDisplayName; + if (docLangTag) { + const displayNames = new Services.intl.DisplayNames(undefined, { + type: "language", + fallback: "none", + }); + // The display name will still be empty if the docLangTag is not known. + docLangDisplayName = displayNames.of(docLangTag); + } + + for (const menuitem of alwaysTranslateMenuItems) { + if (docLangDisplayName) { + document.l10n.setAttributes( + menuitem, + "translations-panel-settings-always-translate-language", + { language: docLangDisplayName } + ); + } else { + document.l10n.setAttributes( + menuitem, + "translations-panel-settings-always-translate-unknown-language" + ); + } + } + + for (const menuitem of neverTranslateMenuItems) { + if (docLangDisplayName) { + document.l10n.setAttributes( + menuitem, + "translations-panel-settings-never-translate-language", + { language: docLangDisplayName } + ); + } else { + document.l10n.setAttributes( + menuitem, + "translations-panel-settings-never-translate-unknown-language" + ); + } + } + + await Promise.all([ + this.#updateSettingsMenuLanguageCheckboxStates(), + this.#updateSettingsMenuSiteCheckboxStates(), + ]); + } + + /** + * Configures the panel for the user to reset the page after it has been translated. + * + * @param {TranslationPair} translationPair + */ + async #showRevisitView({ fromLanguage, toLanguage }) { + const { fromMenuList, toMenuList, intro } = this.elements; + if (!this.#isShowingDefaultView()) { + await this.#showDefaultView(this.#getTranslationsActor()); + } + intro.hidden = true; + fromMenuList.value = fromLanguage; + toMenuList.value = toLanguage; + this.onChangeLanguages(); + } + + /** + * Handle the disable logic for when the menulist is changed for the "Translate to" + * on the "revisit" subview. + */ + onChangeRevisitTo() { + const { revisitTranslate, revisitMenuList } = this.elements; + revisitTranslate.disabled = !revisitMenuList.value; + } + + /** + * Handle logic and telemetry for changing the selected from-language option. + * + * @param {Event} event + */ + onChangeFromLanguage(event) { + const { target } = event; + if (target?.value) { + TranslationsParent.telemetry().panel().onChangeFromLanguage(target.value); + } + this.onChangeLanguages(); + } + + /** + * Handle logic and telemetry for changing the selected to-language option. + * + * @param {Event} event + */ + onChangeToLanguage(event) { + const { target } = event; + if (target?.value) { + TranslationsParent.telemetry().panel().onChangeToLanguage(target.value); + } + this.onChangeLanguages(); + } + + /** + * When changing the language selection, the translate button will need updating. + */ + onChangeLanguages() { + this.#updateViewFromTranslationStatus(); + } + + /** + * Hide the pop up (for event handlers). + */ + close() { + PanelMultiView.hidePopup(this.elements.panel); + } + + /* + * Handler for clicking the learn more link from linked text + * within the translations panel. + */ + onLearnMoreLink() { + TranslationsParent.telemetry().panel().onLearnMoreLink(); + FullPageTranslationsPanel.close(); + } + + /* + * Handler for clicking the learn more link from the gear menu. + */ + onAboutTranslations() { + TranslationsParent.telemetry().panel().onAboutTranslations(); + PanelMultiView.hidePopup(this.elements.panel); + const window = + gBrowser.selectedBrowser.browsingContext.top.embedderElement.ownerGlobal; + window.openTrustedLinkIn( + "https://support.mozilla.org/kb/website-translation", + "tab", + { + forceForeground: true, + triggeringPrincipal: + Services.scriptSecurityManager.getSystemPrincipal(), + } + ); + } + + /** + * When a language is not supported and the menu is manually invoked, an error message + * is shown. This method switches the panel back to the language selection view. + * Note that this bypasses the showSubView method since the main view doesn't support + * a subview. + */ + async onChangeSourceLanguage(event) { + const { panel } = this.elements; + PanelMultiView.hidePopup(panel); + + await this.#showDefaultView( + this.#getTranslationsActor(), + true /* force this view to be shown */ + ); + + await this.#openPanelPopup(this.elements.appMenuButton, { + event, + viewName: "defaultView", + maintainFlow: true, + }); + } + + /** + * @param {TranslationsActor} actor + */ + async #reloadLangList(actor) { + try { + await this.#ensureLangListsBuilt(); + await this.#showDefaultView(actor); + } catch (error) { + this.elements.errorHintAction.disabled = false; + } + } + + /** + * Handle telemetry events when buttons are invoked in the panel. + * + * @param {Event} event + */ + handlePanelButtonEvent(event) { + const { + cancelButton, + changeSourceLanguageButton, + dismissErrorButton, + restoreButton, + translateButton, + } = this.elements; + switch (event.target.id) { + case cancelButton.id: { + TranslationsParent.telemetry().panel().onCancelButton(); + break; + } + case changeSourceLanguageButton.id: { + TranslationsParent.telemetry().panel().onChangeSourceLanguageButton(); + break; + } + case dismissErrorButton.id: { + TranslationsParent.telemetry().panel().onDismissErrorButton(); + break; + } + case restoreButton.id: { + TranslationsParent.telemetry().panel().onRestorePageButton(); + break; + } + case translateButton.id: { + TranslationsParent.telemetry().panel().onTranslateButton(); + break; + } + } + } + + /** + * Handle telemetry events when popups are shown in the panel. + * + * @param {Event} event + */ + handlePanelPopupShownEvent(event) { + const { panel, fromMenuList, toMenuList } = this.elements; + switch (event.target.id) { + case panel.id: { + // This telemetry event is invoked externally because it requires + // extra logic about from where the panel was opened and whether + // or not the flow should be maintained or started anew. + break; + } + case fromMenuList.firstChild.id: { + TranslationsParent.telemetry().panel().onOpenFromLanguageMenu(); + break; + } + case toMenuList.firstChild.id: { + TranslationsParent.telemetry().panel().onOpenToLanguageMenu(); + break; + } + } + } + + /** + * Handle telemetry events when popups are hidden in the panel. + * + * @param {Event} event + */ + handlePanelPopupHiddenEvent(event) { + const { panel, fromMenuList, toMenuList } = this.elements; + switch (event.target.id) { + case panel.id: { + TranslationsParent.telemetry().panel().onClose(); + this.#isPopupOpen = false; + this.elements.error.hidden = true; + break; + } + case fromMenuList.firstChild.id: { + TranslationsParent.telemetry().panel().onCloseFromLanguageMenu(); + break; + } + case toMenuList.firstChild.id: { + TranslationsParent.telemetry().panel().onCloseToLanguageMenu(); + break; + } + } + } + + /** + * Handle telemetry events when the settings menu is shown. + */ + handleSettingsPopupShownEvent() { + TranslationsParent.telemetry().panel().onOpenSettingsMenu(); + } + + /** + * Handle telemetry events when the settings menu is hidden. + */ + handleSettingsPopupHiddenEvent() { + TranslationsParent.telemetry().panel().onCloseSettingsMenu(); + } + + /** + * Opens the Translations panel popup at the given target. + * + * @param {object} target - The target element at which to open the popup. + * @param {object} telemetryData + * @param {string} telemetryData.event + * The trigger event for opening the popup. + * @param {string} telemetryData.viewName + * The name of the view shown by the panel. + * @param {boolean} telemetryData.autoShow + * True if the panel was automatically opened, otherwise false. + * @param {boolean} telemetryData.maintainFlow + * Whether or not to maintain the flow of telemetry. + * @param {boolean} telemetryData.isFirstUserInteraction + * Whether or not this is the first user interaction with the panel. + */ + async #openPanelPopup( + target, + { + event = null, + viewName = null, + autoShow = false, + maintainFlow = false, + isFirstUserInteraction = null, + } + ) { + await window.ensureCustomElements("moz-button-group"); + + const { panel, appMenuButton } = this.elements; + const openedFromAppMenu = target.id === appMenuButton.id; + const { docLangTag } = await this.#getCachedDetectedLanguages(); + + TranslationsParent.telemetry().panel().onOpen({ + viewName, + autoShow, + docLangTag, + maintainFlow, + openedFromAppMenu, + isFirstUserInteraction, + }); + + this.#isPopupOpen = true; + + PanelMultiView.openPopup(panel, target, { + position: "bottomright topright", + triggerEvent: event, + }).catch(error => this.console?.error(error)); + } + + /** + * Keeps track of open requests to guard against race conditions. + * + * @type {Promise | null} + */ + #openPromise = null; + + /** + * Opens the FullPageTranslationsPanel. + * + * @param {Event} event + * @param {boolean} reportAsAutoShow + * True to report to telemetry that the panel was opened automatically, otherwise false. + */ + async open(event, reportAsAutoShow = false) { + if (this.#openPromise) { + // There is already an open event happening, do not open. + return; + } + + this.#openPromise = this.#openImpl(event, reportAsAutoShow); + this.#openPromise.finally(() => { + this.#openPromise = null; + }); + } + + /** + * Implementation function for opening the panel. Prefer FullPageTranslationsPanel.open. + * + * @param {Event} event + */ + async #openImpl(event, reportAsAutoShow) { + event.stopPropagation(); + if ( + (event.type == "click" && event.button != 0) || + (event.type == "keypress" && + event.charCode != KeyEvent.DOM_VK_SPACE && + event.keyCode != KeyEvent.DOM_VK_RETURN) + ) { + // Allow only left click, space, or enter. + return; + } + + const window = + gBrowser.selectedBrowser.browsingContext.top.embedderElement.ownerGlobal; + window.ensureCustomElements("moz-support-link"); + + const { button } = this.buttonElements; + + const { requestedTranslationPair, locationChangeId } = + this.#getTranslationsActor().languageState; + + // Store this value because it gets modified when #showDefaultView is called below. + const isFirstUserInteraction = !this._hasShownPanel; + + await this.#ensureLangListsBuilt(); + + if (requestedTranslationPair) { + await this.#showRevisitView(requestedTranslationPair).catch(error => { + this.console?.error(error); + }); + } else { + await this.#showDefaultView(this.#getTranslationsActor()).catch(error => { + this.console?.error(error); + }); + } + + this.#populateSettingsMenuItems(); + + const targetButton = + button.contains(event.target) || + event.type === "TranslationsParent:OfferTranslation" + ? button + : this.elements.appMenuButton; + + if (!TranslationsParent.isActiveLocation(locationChangeId)) { + this.console?.log(`A translation panel open request was stale.`, { + locationChangeId, + newlocationChangeId: + this.#getTranslationsActor().languageState.locationChangeId, + currentURISpec: gBrowser.currentURI.spec, + }); + return; + } + + this.console?.log(`Showing a translation panel`, gBrowser.currentURI.spec); + + await this.#openPanelPopup(targetButton, { + event, + autoShow: reportAsAutoShow, + viewName: requestedTranslationPair ? "revisitView" : "defaultView", + maintainFlow: false, + isFirstUserInteraction, + }); + } + + /** + * Returns true if translations is currently active, otherwise false. + * + * @returns {boolean} + */ + #isTranslationsActive() { + const { requestedTranslationPair } = + this.#getTranslationsActor().languageState; + return requestedTranslationPair !== null; + } + + /** + * Handle the translation button being clicked when there are two language options. + */ + async onTranslate() { + PanelMultiView.hidePopup(this.elements.panel); + + const actor = this.#getTranslationsActor(); + actor.translate( + this.elements.fromMenuList.value, + this.elements.toMenuList.value, + false // reportAsAutoTranslate + ); + } + + /** + * Handle the cancel button being clicked. + */ + onCancel() { + PanelMultiView.hidePopup(this.elements.panel); + } + + /** + * A handler for opening the settings context menu. + */ + openSettingsPopup(button) { + this.#updateSettingsMenuLanguageCheckboxStates(); + this.#updateSettingsMenuSiteCheckboxStates(); + const popup = button.ownerDocument.getElementById( + "translations-panel-settings-menupopup" + ); + popup.openPopup(button, "after_end"); + } + + /** + * Creates a new CheckboxPageAction based on the current translated + * state of the page and the state of the persistent options in the + * translations panel settings. + * + * @returns {CheckboxPageAction} + */ + getCheckboxPageActionFor() { + const { + alwaysTranslateLanguageMenuItem, + neverTranslateLanguageMenuItem, + neverTranslateSiteMenuItem, + } = this.elements; + + const alwaysTranslateLanguage = + alwaysTranslateLanguageMenuItem.getAttribute("checked") === "true"; + const neverTranslateLanguage = + neverTranslateLanguageMenuItem.getAttribute("checked") === "true"; + const neverTranslateSite = + neverTranslateSiteMenuItem.getAttribute("checked") === "true"; + + return new CheckboxPageAction( + this.#isTranslationsActive(), + alwaysTranslateLanguage, + neverTranslateLanguage, + neverTranslateSite + ); + } + + /** + * Redirect the user to about:preferences + */ + openManageLanguages() { + TranslationsParent.telemetry().panel().onManageLanguages(); + const window = + gBrowser.selectedBrowser.browsingContext.top.embedderElement.ownerGlobal; + window.openTrustedLinkIn("about:preferences#general-translations", "tab"); + } + + /** + * Performs the given page action. + * + * @param {PageAction} pageAction + */ + async #doPageAction(pageAction) { + switch (pageAction) { + case PageAction.NO_CHANGE: { + break; + } + case PageAction.RESTORE_PAGE: { + await this.onRestore(); + break; + } + case PageAction.TRANSLATE_PAGE: { + await this.onTranslate(); + break; + } + case PageAction.CLOSE_PANEL: { + PanelMultiView.hidePopup(this.elements.panel); + break; + } + } + } + + /** + * Updates the always-translate-language menuitem prefs and checked state. + * If auto-translate is currently active for the doc language, deactivates it. + * If auto-translate is currently inactive for the doc language, activates it. + */ + async onAlwaysTranslateLanguage() { + const langTags = await this.#getCachedDetectedLanguages(); + const { docLangTag } = langTags; + if (!docLangTag) { + throw new Error("Expected to have a document language tag."); + } + const pageAction = + this.getCheckboxPageActionFor().alwaysTranslateLanguage(); + const toggledOn = + TranslationsParent.toggleAlwaysTranslateLanguagePref(langTags); + TranslationsParent.telemetry() + .panel() + .onAlwaysTranslateLanguage(docLangTag, toggledOn); + this.#updateSettingsMenuLanguageCheckboxStates(); + await this.#doPageAction(pageAction); + } + + /** + * Toggle offering translations. + */ + async onAlwaysOfferTranslations() { + const toggledOn = TranslationsParent.toggleAutomaticallyPopupPref(); + TranslationsParent.telemetry().panel().onAlwaysOfferTranslations(toggledOn); + } + + /** + * Updates the never-translate-language menuitem prefs and checked state. + * If never-translate is currently active for the doc language, deactivates it. + * If never-translate is currently inactive for the doc language, activates it. + */ + async onNeverTranslateLanguage() { + const { docLangTag } = await this.#getCachedDetectedLanguages(); + if (!docLangTag) { + throw new Error("Expected to have a document language tag."); + } + const pageAction = this.getCheckboxPageActionFor().neverTranslateLanguage(); + const toggledOn = + TranslationsParent.toggleNeverTranslateLanguagePref(docLangTag); + TranslationsParent.telemetry() + .panel() + .onNeverTranslateLanguage(docLangTag, toggledOn); + this.#updateSettingsMenuLanguageCheckboxStates(); + await this.#doPageAction(pageAction); + } + + /** + * Updates the never-translate-site menuitem permissions and checked state. + * If never-translate is currently active for the site, deactivates it. + * If never-translate is currently inactive for the site, activates it. + */ + async onNeverTranslateSite() { + const pageAction = this.getCheckboxPageActionFor().neverTranslateSite(); + const toggledOn = + await this.#getTranslationsActor().toggleNeverTranslateSitePermissions(); + TranslationsParent.telemetry().panel().onNeverTranslateSite(toggledOn); + this.#updateSettingsMenuSiteCheckboxStates(); + await this.#doPageAction(pageAction); + } + + /** + * Handle the restore button being clicked. + */ + async onRestore() { + const { panel } = this.elements; + PanelMultiView.hidePopup(panel); + const { docLangTag } = await this.#getCachedDetectedLanguages(); + if (!docLangTag) { + throw new Error("Expected to have a document language tag."); + } + + this.#getTranslationsActor().restorePage(docLangTag); + } + + /** + * An event handler that allows the FullPageTranslationsPanel object + * to be compatible with the addTabsProgressListener function. + * + * @param {tabbrowser} browser + */ + onLocationChange(browser) { + if (browser.currentURI.spec.startsWith("about:reader")) { + // Hide the translations button when entering reader mode. + this.buttonElements.button.hidden = true; + } + } + + /** + * Update the view to show an error. + * + * @param {TranslationParent} actor + */ + async #showEngineError(actor) { + const { button } = this.buttonElements; + await this.#ensureLangListsBuilt(); + if (!this.#isShowingDefaultView()) { + await this.#showDefaultView(actor).catch(e => { + this.console?.error(e); + }); + } + this.elements.error.hidden = false; + this.#showError({ + message: "translations-panel-error-translating", + }); + const targetButton = button.hidden ? this.elements.appMenuButton : button; + + // Re-open the menu on an error. + await this.#openPanelPopup(targetButton, { + autoShow: true, + viewName: "errorView", + maintainFlow: true, + }); + } + + /** + * Set the state of the translations button in the URL bar. + * + * @param {CustomEvent} event + */ + handleEvent = event => { + switch (event.type) { + case "TranslationsParent:OfferTranslation": { + if (Services.wm.getMostRecentBrowserWindow()?.gBrowser === gBrowser) { + this.open(event, /* reportAsAutoShow */ true); + } + break; + } + case "TranslationsParent:LanguageState": { + const { actor } = event.detail; + const { + detectedLanguages, + requestedTranslationPair, + error, + isEngineReady, + } = actor.languageState; + + const { button, buttonLocale, buttonCircleArrows } = + this.buttonElements; + + const hasSupportedLanguage = + detectedLanguages?.docLangTag && + detectedLanguages?.userLangTag && + detectedLanguages?.isDocLangTagSupported; + + if (detectedLanguages) { + // Ensure the cached detected languages are up to date, for instance whenever + // the user switches tabs. + FullPageTranslationsPanel.detectedLanguages = detectedLanguages; + } + + if (this.#isPopupOpen) { + // Make sure to use the language state that is passed by the event.detail, and + // don't read it from the actor here, as it's possible the actor isn't available + // via the gBrowser.selectedBrowser. + this.#updateViewFromTranslationStatus(actor.languageState); + } + + if ( + // We've already requested to translate this page, so always show the icon. + requestedTranslationPair || + // There was an error translating, so always show the icon. This can happen + // when a user manually invokes the translation and we wouldn't normally show + // the icon. + error || + // Finally check that we can translate this language. + (hasSupportedLanguage && + TranslationsParent.getIsTranslationsEngineSupported()) + ) { + // Keep track if the button was originally hidden, because it will be shown now. + const wasButtonHidden = button.hidden; + + button.hidden = false; + if (requestedTranslationPair) { + // The translation is active, update the urlbar button. + button.setAttribute("translationsactive", true); + if (isEngineReady) { + const displayNames = new Services.intl.DisplayNames(undefined, { + type: "language", + }); + + document.l10n.setAttributes( + button, + "urlbar-translations-button-translated", + { + fromLanguage: displayNames.of( + requestedTranslationPair.fromLanguage + ), + toLanguage: displayNames.of( + requestedTranslationPair.toLanguage + ), + } + ); + // Show the locale of the page in the button. + buttonLocale.hidden = false; + buttonCircleArrows.hidden = true; + buttonLocale.innerText = requestedTranslationPair.toLanguage; + } else { + document.l10n.setAttributes( + button, + "urlbar-translations-button-loading" + ); + // Show the spinning circle arrows to indicate that the engine is + // still loading. + buttonCircleArrows.hidden = false; + buttonLocale.hidden = true; + } + } else { + // The translation is not active, update the urlbar button. + button.removeAttribute("translationsactive"); + buttonLocale.hidden = true; + buttonCircleArrows.hidden = true; + + // 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 + ) { + document.l10n.setAttributes( + button, + "urlbar-translations-button2" + ); + } else { + document.l10n.setAttributes( + button, + "urlbar-translations-button-intro" + ); + } + } + + // The button was hidden, but now it is shown. + if (wasButtonHidden) { + PageActions.sendPlacedInUrlbarTrigger(button); + } + } else if (!button.hidden) { + // There are no translations visible, hide the button. + button.hidden = true; + } + + switch (error) { + case null: + break; + case "engine-load-failure": + this.#showEngineError(actor).catch(viewError => + this.console.error(viewError) + ); + break; + default: + console.error("Unknown translation error", error); + } + break; + } + } + }; +})(); + +XPCOMUtils.defineLazyPreferenceGetter( + FullPageTranslationsPanel, + "_hasShownPanel", + "browser.translations.panelShown", + false +); diff --git a/browser/components/translations/content/selectTranslationsPanel.inc.xhtml b/browser/components/translations/content/selectTranslationsPanel.inc.xhtml new file mode 100644 index 0000000000..72e2bd7095 --- /dev/null +++ b/browser/components/translations/content/selectTranslationsPanel.inc.xhtml @@ -0,0 +1,102 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/browser/components/translations/content/selectTranslationsPanel.js b/browser/components/translations/content/selectTranslationsPanel.js new file mode 100644 index 0000000000..b4fe3e9735 --- /dev/null +++ b/browser/components/translations/content/selectTranslationsPanel.js @@ -0,0 +1,220 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* eslint-env mozilla/browser-window */ + +ChromeUtils.defineESModuleGetters(this, { + LanguageDetector: + "resource://gre/modules/translation/LanguageDetector.sys.mjs", + TranslationsPanelShared: + "chrome://browser/content/translations/TranslationsPanelShared.sys.mjs", +}); + +/** + * This singleton class controls the Translations popup panel. + */ +var SelectTranslationsPanel = new (class { + /** @type {Console?} */ + #console; + + /** + * Lazily get a console instance. Note that this script is loaded in very early to + * the browser loading process, and may run before the console is available. In + * this case the console will return as `undefined`. + * + * @returns {Console | void} + */ + get console() { + if (!this.#console) { + try { + this.#console = console.createInstance({ + maxLogLevelPref: "browser.translations.logLevel", + prefix: "Translations", + }); + } catch { + // The console may not be initialized yet. + } + } + return this.#console; + } + + /** + * Where the lazy elements are stored. + * + * @type {Record?} + */ + #lazyElements; + + /** + * Lazily creates the dom elements, and lazily selects them. + * + * @returns {Record} + */ + get elements() { + if (!this.#lazyElements) { + // Lazily turn the template into a DOM element. + /** @type {HTMLTemplateElement} */ + const wrapper = document.getElementById( + "template-select-translations-panel" + ); + + const panel = wrapper.content.firstElementChild; + const settingsButton = document.getElementById( + "translations-panel-settings" + ); + wrapper.replaceWith(wrapper.content); + + // Lazily select the elements. + this.#lazyElements = { + panel, + settingsButton, + }; + + TranslationsPanelShared.defineLazyElements(document, this.#lazyElements, { + betaIcon: "select-translations-panel-beta-icon", + copyButton: "select-translations-panel-copy-button", + doneButton: "select-translations-panel-done-button", + fromLabel: "select-translations-panel-from-label", + fromMenuList: "select-translations-panel-from", + header: "select-translations-panel-header", + multiview: "select-translations-panel-multiview", + textArea: "select-translations-panel-translation-area", + toLabel: "select-translations-panel-to-label", + toMenuList: "select-translations-panel-to", + translateFullPageButton: + "select-translations-panel-translate-full-page-button", + }); + } + + return this.#lazyElements; + } + + /** + * Detects the language of the provided text and retrieves a language pair for translation + * based on user settings. + * + * @param {string} textToTranslate - The text for which the language detection and target language retrieval are performed. + * @returns {Promise<{fromLang?: string, toLang?: string}>} - An object containing the language pair for the translation. + * The `fromLang` property is omitted if it is a language that is not currently supported by Firefox Translations. + * The `toLang` property is omitted if it is the same as `fromLang`. + */ + async getLangPairPromise(textToTranslate) { + const [fromLang, toLang] = await Promise.all([ + LanguageDetector.detectLanguage(textToTranslate).then( + ({ language }) => language + ), + TranslationsParent.getTopPreferredSupportedToLang(), + ]); + + return { + fromLang, + // If the fromLang and toLang are the same, discard the toLang. + toLang: fromLang === toLang ? undefined : toLang, + }; + } + + /** + * Close the Select Translations Panel. + */ + close() { + PanelMultiView.hidePopup(this.elements.panel); + } + + /** + * Builds the of languages for both the "from" and "to". This can be + * called every time the popup is shown, as it will retry when there is an error + * (such as a network error) or be a noop if it's already initialized. + */ + async #ensureLangListsBuilt() { + try { + await TranslationsPanelShared.ensureLangListsBuilt( + document, + this.elements.panel + ); + } catch (error) { + this.console?.error(error); + } + } + + /** + * Updates the language dropdown based on the provided language tag. + * + * @param {string} langTag - A BCP-47 language tag. + * @param {Element} menuList - The dropdown menu element that will be updated based on language support. + * @returns {Promise} + */ + async #updateLanguageDropdown(langTag, menuList) { + const langTagIsSupported = + menuList.id === this.elements.fromMenuList.id + ? await TranslationsParent.isSupportedAsFromLang(langTag) + : await TranslationsParent.isSupportedAsToLang(langTag); + + if (langTagIsSupported) { + // Remove the data-l10n-id because the menulist label will + // be populated from the supported language's display name. + menuList.value = langTag; + menuList.removeAttribute("data-l10n-id"); + } else { + // Set the data-l10n-id placeholder because no valid + // language will be selected when the panel opens. + menuList.value = undefined; + document.l10n.setAttributes( + menuList, + "translations-panel-choose-language" + ); + await document.l10n.translateElements([menuList]); + } + } + + /** + * Updates the language selection dropdowns based on the given langPairPromise. + * + * @param {Promise<{fromLang?: string, toLang?: string}>} langPairPromise + * @returns {Promise} + */ + async #updateLanguageDropdowns(langPairPromise) { + const { fromLang, toLang } = await langPairPromise; + + this.console?.debug(`fromLang(${fromLang})`); + this.console?.debug(`toLang(${toLang})`); + + const { fromMenuList, toMenuList } = this.elements; + + await Promise.all([ + this.#updateLanguageDropdown(fromLang, fromMenuList), + this.#updateLanguageDropdown(toLang, toMenuList), + ]); + } + + /** + * Opens the panel and populates the currently selected fromLang and toLang based + * on the result of the langPairPromise. + * + * @param {Event} event - The triggering event for opening the panel. + * @param {Promise} langPairPromise - Promise resolving to language pair data for initializing dropdowns. + * @returns {Promise} + */ + async open(event, langPairPromise) { + this.console?.log("Showing a translation panel."); + + await this.#ensureLangListsBuilt(); + await this.#updateLanguageDropdowns(langPairPromise); + + // TODO(Bug 1878721) Rework the logic of where to open the panel. + // + // For the moment, the Select Translations panel opens at the + // AppMenu Button, but it will eventually need to open near + // to the selected content. + const appMenuButton = document.getElementById("PanelUI-menu-button"); + const { panel, textArea } = this.elements; + + panel.addEventListener("popupshown", () => textArea.focus(), { + once: true, + }); + await PanelMultiView.openPopup(panel, appMenuButton, { + position: "bottomright topright", + triggerEvent: event, + }).catch(error => this.console?.error(error)); + } +})(); diff --git a/browser/components/translations/content/translationsPanel.inc.xhtml b/browser/components/translations/content/translationsPanel.inc.xhtml deleted file mode 100644 index 18769eec83..0000000000 --- a/browser/components/translations/content/translationsPanel.inc.xhtml +++ /dev/null @@ -1,145 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/browser/components/translations/content/translationsPanel.js b/browser/components/translations/content/translationsPanel.js deleted file mode 100644 index 71aaacac4f..0000000000 --- a/browser/components/translations/content/translationsPanel.js +++ /dev/null @@ -1,1630 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -/* eslint-env mozilla/browser-window */ - -/* eslint-disable jsdoc/valid-types */ -/** - * @typedef {import("../../../../toolkit/components/translations/translations").LangTags} LangTags - */ -/* eslint-enable jsdoc/valid-types */ - -ChromeUtils.defineESModuleGetters(this, { - PageActions: "resource:///modules/PageActions.sys.mjs", - TranslationsTelemetry: - "chrome://browser/content/translations/TranslationsTelemetry.sys.mjs", -}); - -/** - * The set of actions that can occur from interaction with the - * translations panel. - */ -const PageAction = Object.freeze({ - NO_CHANGE: "NO_CHANGE", - RESTORE_PAGE: "RESTORE_PAGE", - TRANSLATE_PAGE: "TRANSLATE_PAGE", - CLOSE_PANEL: "CLOSE_PANEL", -}); - -/** - * A mechanism for determining the next relevant page action - * based on the current translated state of the page and the state - * of the persistent options in the translations panel settings. - */ -class CheckboxPageAction { - /** - * Whether or not translations is active on the page. - * - * @type {boolean} - */ - #translationsActive = false; - - /** - * Whether the always-translate-language menuitem is checked - * in the translations panel settings menu. - * - * @type {boolean} - */ - #alwaysTranslateLanguage = false; - - /** - * Whether the never-translate-language menuitem is checked - * in the translations panel settings menu. - * - * @type {boolean} - */ - #neverTranslateLanguage = false; - - /** - * Whether the never-translate-site menuitem is checked - * in the translations panel settings menu. - * - * @type {boolean} - */ - #neverTranslateSite = false; - - /** - * @param {boolean} translationsActive - * @param {boolean} alwaysTranslateLanguage - * @param {boolean} neverTranslateLanguage - * @param {boolean} neverTranslateSite - */ - constructor( - translationsActive, - alwaysTranslateLanguage, - neverTranslateLanguage, - neverTranslateSite - ) { - this.#translationsActive = translationsActive; - this.#alwaysTranslateLanguage = alwaysTranslateLanguage; - this.#neverTranslateLanguage = neverTranslateLanguage; - this.#neverTranslateSite = neverTranslateSite; - } - - /** - * Accepts four integers that are either 0 or 1 and returns - * a single, unique number for each possible combination of - * values. - * - * @param {number} translationsActive - * @param {number} alwaysTranslateLanguage - * @param {number} neverTranslateLanguage - * @param {number} neverTranslateSite - * - * @returns {number} - An integer representation of the state - */ - static #computeState( - translationsActive, - alwaysTranslateLanguage, - neverTranslateLanguage, - neverTranslateSite - ) { - return ( - (translationsActive << 3) | - (alwaysTranslateLanguage << 2) | - (neverTranslateLanguage << 1) | - neverTranslateSite - ); - } - - /** - * Returns the current state of the data members as a single number. - * - * @returns {number} - An integer representation of the state - */ - #state() { - return CheckboxPageAction.#computeState( - Number(this.#translationsActive), - Number(this.#alwaysTranslateLanguage), - Number(this.#neverTranslateLanguage), - Number(this.#neverTranslateSite) - ); - } - - /** - * Returns the next page action to take when the always-translate-language - * menuitem is toggled in the translations panel settings menu. - * - * @returns {PageAction} - */ - alwaysTranslateLanguage() { - switch (this.#state()) { - case CheckboxPageAction.#computeState(1, 1, 0, 1): - case CheckboxPageAction.#computeState(1, 1, 0, 0): - return PageAction.RESTORE_PAGE; - case CheckboxPageAction.#computeState(0, 0, 1, 0): - case CheckboxPageAction.#computeState(0, 0, 0, 0): - return PageAction.TRANSLATE_PAGE; - } - return PageAction.NO_CHANGE; - } - - /** - * Returns the next page action to take when the never-translate-language - * menuitem is toggled in the translations panel settings menu. - * - * @returns {PageAction} - */ - neverTranslateLanguage() { - switch (this.#state()) { - case CheckboxPageAction.#computeState(1, 1, 0, 1): - case CheckboxPageAction.#computeState(1, 1, 0, 0): - case CheckboxPageAction.#computeState(1, 0, 0, 1): - case CheckboxPageAction.#computeState(1, 0, 0, 0): - return PageAction.RESTORE_PAGE; - case CheckboxPageAction.#computeState(0, 1, 0, 0): - case CheckboxPageAction.#computeState(0, 0, 0, 1): - case CheckboxPageAction.#computeState(0, 1, 0, 1): - case CheckboxPageAction.#computeState(0, 0, 0, 0): - return PageAction.CLOSE_PANEL; - } - return PageAction.NO_CHANGE; - } - - /** - * Returns the next page action to take when the never-translate-site - * menuitem is toggled in the translations panel settings menu. - * - * @returns {PageAction} - */ - neverTranslateSite() { - switch (this.#state()) { - case CheckboxPageAction.#computeState(1, 1, 0, 0): - case CheckboxPageAction.#computeState(1, 0, 1, 0): - case CheckboxPageAction.#computeState(1, 0, 0, 0): - return PageAction.RESTORE_PAGE; - case CheckboxPageAction.#computeState(0, 1, 0, 1): - return PageAction.TRANSLATE_PAGE; - case CheckboxPageAction.#computeState(0, 0, 1, 0): - case CheckboxPageAction.#computeState(0, 1, 0, 0): - case CheckboxPageAction.#computeState(0, 0, 0, 0): - return PageAction.CLOSE_PANEL; - } - return PageAction.NO_CHANGE; - } -} - -/** - * This singleton class controls the Translations popup panel. - * - * This component is a `/browser` component, and the actor is a `/toolkit` actor, so care - * must be taken to keep the presentation (this component) from the state management - * (the Translations actor). This class reacts to state changes coming from the - * Translations actor. - */ -var TranslationsPanel = new (class { - /** @type {Console?} */ - #console; - - /** - * The cached detected languages for both the document and the user. - * - * @type {null | LangTags} - */ - detectedLanguages = null; - - /** - * Lazily get a console instance. Note that this script is loaded in very early to - * the browser loading process, and may run before the console is avialable. In - * this case the console will return as `undefined`. - * - * @returns {Console | void} - */ - get console() { - if (!this.#console) { - try { - this.#console = console.createInstance({ - maxLogLevelPref: "browser.translations.logLevel", - prefix: "Translations", - }); - } catch { - // The console may not be initialized yet. - } - } - return this.#console; - } - - /** - * Tracks if the popup is open, or scheduled to be open. - * - * @type {boolean} - */ - #isPopupOpen = false; - - /** - * Where the lazy elements are stored. - * - * @type {Record?} - */ - #lazyElements; - - /** - * Lazily creates the dom elements, and lazily selects them. - * - * @returns {Record} - */ - get elements() { - if (!this.#lazyElements) { - // Lazily turn the template into a DOM element. - /** @type {HTMLTemplateElement} */ - const wrapper = document.getElementById("template-translations-panel"); - const panel = wrapper.content.firstElementChild; - wrapper.replaceWith(wrapper.content); - - const settingsButton = document.getElementById( - "translations-panel-settings" - ); - // Clone the settings toolbarbutton across all the views. - for (const header of panel.querySelectorAll(".panel-header")) { - if (header.contains(settingsButton)) { - continue; - } - const settingsButtonClone = settingsButton.cloneNode(true); - settingsButtonClone.removeAttribute("id"); - header.appendChild(settingsButtonClone); - } - - // Lazily select the elements. - this.#lazyElements = { - panel, - settingsButton, - // The rest of the elements are set by the getter below. - }; - - /** - * Define a getter on #lazyElements that gets the element by an id - * or class name. - */ - const getter = (name, discriminator) => { - let element; - Object.defineProperty(this.#lazyElements, name, { - get: () => { - if (!element) { - if (discriminator[0] === ".") { - // Lookup by class - element = document.querySelector(discriminator); - } else { - // Lookup by id - element = document.getElementById(discriminator); - } - } - if (!element) { - throw new Error( - `Could not find "${name}" at "#${discriminator}".` - ); - } - return element; - }, - }); - }; - - // Getters by id - getter("appMenuButton", "PanelUI-menu-button"); - getter("cancelButton", "translations-panel-cancel"); - getter( - "changeSourceLanguageButton", - "translations-panel-change-source-language" - ); - getter("dismissErrorButton", "translations-panel-dismiss-error"); - getter("error", "translations-panel-error"); - getter("errorMessage", "translations-panel-error-message"); - getter("errorMessageHint", "translations-panel-error-message-hint"); - getter("errorHintAction", "translations-panel-translate-hint-action"); - getter("fromMenuList", "translations-panel-from"); - getter("fromLabel", "translations-panel-from-label"); - getter("header", "translations-panel-header"); - getter("intro", "translations-panel-intro"); - getter("introLearnMoreLink", "translations-panel-intro-learn-more-link"); - getter("langSelection", "translations-panel-lang-selection"); - getter("multiview", "translations-panel-multiview"); - getter("restoreButton", "translations-panel-restore-button"); - getter("toLabel", "translations-panel-to-label"); - getter("toMenuList", "translations-panel-to"); - getter("translateButton", "translations-panel-translate"); - getter( - "unsupportedHeader", - "translations-panel-unsupported-language-header" - ); - getter("unsupportedHint", "translations-panel-error-unsupported-hint"); - getter( - "unsupportedLearnMoreLink", - "translations-panel-unsupported-learn-more-link" - ); - - // Getters by class - getter( - "alwaysTranslateLanguageMenuItem", - ".always-translate-language-menuitem" - ); - getter("manageLanguagesMenuItem", ".manage-languages-menuitem"); - getter( - "neverTranslateLanguageMenuItem", - ".never-translate-language-menuitem" - ); - getter("neverTranslateSiteMenuItem", ".never-translate-site-menuitem"); - } - - return this.#lazyElements; - } - - #lazyButtonElements = null; - - /** - * When accessing `this.elements` the first time, it de-lazifies the custom components - * that are needed for the popup. Avoid that by having a second element lookup - * just for modifying the button. - */ - get buttonElements() { - if (!this.#lazyButtonElements) { - this.#lazyButtonElements = { - button: document.getElementById("translations-button"), - buttonLocale: document.getElementById("translations-button-locale"), - buttonCircleArrows: document.getElementById( - "translations-button-circle-arrows" - ), - }; - } - return this.#lazyButtonElements; - } - - /** - * Cache the last command used for error hints so that it can be later removed. - */ - #lastHintCommand = null; - - /** - * @param {object} options - * @param {string} options.message - l10n id - * @param {string} options.hint - l10n id - * @param {string} options.actionText - l10n id - * @param {Function} options.actionCommand - The action to perform. - */ - #showError({ - message, - hint, - actionText: hintCommandText, - actionCommand: hintCommand, - }) { - const { error, errorMessage, errorMessageHint, errorHintAction, intro } = - this.elements; - error.hidden = false; - intro.hidden = true; - document.l10n.setAttributes(errorMessage, message); - - if (hint) { - errorMessageHint.hidden = false; - document.l10n.setAttributes(errorMessageHint, hint); - } else { - errorMessageHint.hidden = true; - } - - if (hintCommand && hintCommandText) { - errorHintAction.removeEventListener("command", this.#lastHintCommand); - this.#lastHintCommand = hintCommand; - errorHintAction.addEventListener("command", hintCommand); - errorHintAction.hidden = false; - document.l10n.setAttributes(errorHintAction, hintCommandText); - } else { - errorHintAction.hidden = true; - } - } - - /** - * @returns {TranslationsParent} - */ - #getTranslationsActor() { - const actor = - gBrowser.selectedBrowser.browsingContext.currentWindowGlobal.getActor( - "Translations" - ); - - if (!actor) { - throw new Error("Unable to get the TranslationsParent"); - } - return actor; - } - - /** - * Fetches the language tags for the document and the user and caches the results - * Use `#getCachedDetectedLanguages` when the lang tags do not need to be re-fetched. - * This requires a bit of work to do, so prefer the cached version when possible. - * - * @returns {Promise} - */ - async #fetchDetectedLanguages() { - this.detectedLanguages = - await this.#getTranslationsActor().getDetectedLanguages(); - return this.detectedLanguages; - } - - /** - * If the detected language tags have been retrieved previously, return the cached - * version. Otherwise do a fresh lookup of the document's language tag. - * - * @returns {Promise} - */ - async #getCachedDetectedLanguages() { - if (!this.detectedLanguages) { - return this.#fetchDetectedLanguages(); - } - return this.detectedLanguages; - } - - /** - * @type {"initialized" | "error" | "uninitialized"} - */ - #langListsPhase = "uninitialized"; - - /** - * Builds the of languages for both the "from" and "to". This can be - * called every time the popup is shown, as it will retry when there is an error - * (such as a network error) or be a noop if it's already initialized. - * - * TODO(Bug 1813796) This needs to be updated when the supported languages change - * via RemoteSettings. - */ - async #ensureLangListsBuilt() { - switch (this.#langListsPhase) { - case "initialized": - // This has already been initialized. - return; - case "error": - // Attempt to re-initialize. - this.#langListsPhase = "uninitialized"; - break; - case "uninitialized": - // Ready to initialize. - break; - default: - this.console?.error("Unknown langList phase", this.#langListsPhase); - } - - try { - /** @type {SupportedLanguages} */ - const { languagePairs, fromLanguages, toLanguages } = - await TranslationsParent.getSupportedLanguages(); - - // Verify that we are in a proper state. - if (languagePairs.length === 0) { - throw new Error("No translation languages were retrieved."); - } - - const { panel } = this.elements; - const fromPopups = panel.querySelectorAll( - ".translations-panel-language-menupopup-from" - ); - const toPopups = panel.querySelectorAll( - ".translations-panel-language-menupopup-to" - ); - - for (const popup of fromPopups) { - for (const { langTag, displayName } of fromLanguages) { - const fromMenuItem = document.createXULElement("menuitem"); - fromMenuItem.setAttribute("value", langTag); - fromMenuItem.setAttribute("label", displayName); - popup.appendChild(fromMenuItem); - } - } - - for (const popup of toPopups) { - for (const { langTag, displayName } of toLanguages) { - const toMenuItem = document.createXULElement("menuitem"); - toMenuItem.setAttribute("value", langTag); - toMenuItem.setAttribute("label", displayName); - popup.appendChild(toMenuItem); - } - } - - this.#langListsPhase = "initialized"; - } catch (error) { - this.console?.error(error); - this.#langListsPhase = "error"; - } - } - - /** - * Reactively sets the views based on the async state changes of the engine, and - * other component state changes. - * - * @param {TranslationsLanguageState} languageState - */ - #updateViewFromTranslationStatus( - languageState = this.#getTranslationsActor().languageState - ) { - const { translateButton, toMenuList, fromMenuList, header, cancelButton } = - this.elements; - const { requestedTranslationPair, isEngineReady } = languageState; - - if ( - requestedTranslationPair && - !isEngineReady && - toMenuList.value === requestedTranslationPair.toLanguage && - fromMenuList.value === requestedTranslationPair.fromLanguage - ) { - // A translation has been requested, but is not ready yet. - document.l10n.setAttributes( - translateButton, - "translations-panel-translate-button-loading" - ); - translateButton.disabled = true; - cancelButton.hidden = false; - this.updateUIForReTranslation(false /* isReTranslation */); - } else { - document.l10n.setAttributes( - translateButton, - "translations-panel-translate-button" - ); - translateButton.disabled = - // The translation languages are the same, don't allow this translation. - toMenuList.value === fromMenuList.value || - // No "to" language was provided. - !toMenuList.value || - // No "from" language was provided. - !fromMenuList.value || - // This is the requested translation pair. - (requestedTranslationPair && - requestedTranslationPair.fromLanguage === fromMenuList.value && - requestedTranslationPair.toLanguage === toMenuList.value); - } - - if (requestedTranslationPair && isEngineReady) { - const { fromLanguage, toLanguage } = requestedTranslationPair; - const displayNames = new Services.intl.DisplayNames(undefined, { - type: "language", - }); - cancelButton.hidden = true; - this.updateUIForReTranslation(true /* isReTranslation */); - - document.l10n.setAttributes(header, "translations-panel-revisit-header", { - fromLanguage: displayNames.of(fromLanguage), - toLanguage: displayNames.of(toLanguage), - }); - } else { - document.l10n.setAttributes(header, "translations-panel-header"); - } - } - - /** - * @param {boolean} isReTranslation - */ - updateUIForReTranslation(isReTranslation) { - const { restoreButton, fromLabel, fromMenuList, toLabel } = this.elements; - restoreButton.hidden = !isReTranslation; - // When offering to re-translate a page, hide the "from" language so users don't - // get confused. - fromLabel.hidden = isReTranslation; - fromMenuList.hidden = isReTranslation; - if (isReTranslation) { - fromLabel.style.marginBlockStart = ""; - toLabel.style.marginBlockStart = 0; - } else { - fromLabel.style.marginBlockStart = 0; - toLabel.style.marginBlockStart = ""; - } - } - - /** - * Returns true if the panel is currently showing the default view, otherwise false. - * - * @returns {boolean} - */ - #isShowingDefaultView() { - if (!this.#lazyElements) { - // Nothing has been initialized. - return false; - } - const { multiview } = this.elements; - return ( - multiview.getAttribute("mainViewId") === "translations-panel-view-default" - ); - } - - /** - * Show the default view of choosing a source and target language. - * - * @param {TranslationsParent} actor - * @param {boolean} force - Force the page to show translation options. - */ - async #showDefaultView(actor, force = false) { - const { - fromMenuList, - multiview, - panel, - error, - toMenuList, - translateButton, - langSelection, - intro, - header, - } = this.elements; - - this.#updateViewFromTranslationStatus(); - - // Unconditionally hide the intro text in case the panel is re-shown. - intro.hidden = true; - - if (this.#langListsPhase === "error") { - // There was an error, display it in the view rather than the language - // dropdowns. - const { cancelButton, errorHintAction } = this.elements; - - this.#showError({ - message: "translations-panel-error-load-languages", - hint: "translations-panel-error-load-languages-hint", - actionText: "translations-panel-error-load-languages-hint-button", - actionCommand: () => this.#reloadLangList(actor), - }); - - translateButton.disabled = true; - this.updateUIForReTranslation(false /* isReTranslation */); - cancelButton.hidden = false; - langSelection.hidden = true; - errorHintAction.disabled = false; - return; - } - - // Remove any old selected values synchronously before asking for new ones. - fromMenuList.value = ""; - error.hidden = true; - langSelection.hidden = false; - - /** @type {null | LangTags} */ - const langTags = await this.#fetchDetectedLanguages(); - if (langTags?.isDocLangTagSupported || force) { - // Show the default view with the language selection - const { cancelButton } = this.elements; - - if (langTags?.isDocLangTagSupported) { - fromMenuList.value = langTags?.docLangTag ?? ""; - } else { - fromMenuList.value = ""; - } - toMenuList.value = langTags?.userLangTag ?? ""; - - this.onChangeLanguages(); - - this.updateUIForReTranslation(false /* isReTranslation */); - cancelButton.hidden = false; - multiview.setAttribute("mainViewId", "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; - intro.hidden = true; - } else { - Services.prefs.setBoolPref("browser.translations.panelShown", true); - intro.hidden = false; - document.l10n.setAttributes(header, "translations-panel-intro-header"); - } - } else { - // Show the "unsupported language" view. - const { unsupportedHint } = this.elements; - multiview.setAttribute( - "mainViewId", - "translations-panel-view-unsupported-language" - ); - let language; - if (langTags?.docLangTag) { - const displayNames = new Intl.DisplayNames(undefined, { - type: "language", - fallback: "none", - }); - language = displayNames.of(langTags.docLangTag); - } - if (language) { - document.l10n.setAttributes( - unsupportedHint, - "translations-panel-error-unsupported-hint-known", - { language } - ); - } else { - document.l10n.setAttributes( - unsupportedHint, - "translations-panel-error-unsupported-hint-unknown" - ); - } - } - - // Focus the "from" language, as it is the only field not set. - panel.addEventListener( - "ViewShown", - () => { - if (!fromMenuList.value) { - fromMenuList.focus(); - } - if (!toMenuList.value) { - toMenuList.focus(); - } - }, - { once: true } - ); - } - - /** - * Updates the checked states of the settings menu checkboxes that - * pertain to languages. - */ - async #updateSettingsMenuLanguageCheckboxStates() { - const langTags = await this.#getCachedDetectedLanguages(); - const { docLangTag, isDocLangTagSupported } = langTags; - - const { panel } = this.elements; - const alwaysTranslateMenuItems = panel.ownerDocument.querySelectorAll( - ".always-translate-language-menuitem" - ); - const neverTranslateMenuItems = panel.ownerDocument.querySelectorAll( - ".never-translate-language-menuitem" - ); - const alwaysOfferTranslationsMenuItems = - panel.ownerDocument.querySelectorAll( - ".always-offer-translations-menuitem" - ); - - const alwaysOfferTranslations = - TranslationsParent.shouldAlwaysOfferTranslations(); - const alwaysTranslateLanguage = - TranslationsParent.shouldAlwaysTranslateLanguage(langTags); - const neverTranslateLanguage = - TranslationsParent.shouldNeverTranslateLanguage(docLangTag); - const shouldDisable = - !docLangTag || - !isDocLangTagSupported || - docLangTag === new Intl.Locale(Services.locale.appLocaleAsBCP47).language; - - for (const menuitem of alwaysOfferTranslationsMenuItems) { - menuitem.setAttribute( - "checked", - alwaysOfferTranslations ? "true" : "false" - ); - } - for (const menuitem of alwaysTranslateMenuItems) { - menuitem.setAttribute( - "checked", - alwaysTranslateLanguage ? "true" : "false" - ); - menuitem.disabled = shouldDisable; - } - for (const menuitem of neverTranslateMenuItems) { - menuitem.setAttribute( - "checked", - neverTranslateLanguage ? "true" : "false" - ); - menuitem.disabled = shouldDisable; - } - } - - /** - * Updates the checked states of the settings menu checkboxes that - * pertain to site permissions. - */ - async #updateSettingsMenuSiteCheckboxStates() { - const { panel } = this.elements; - const neverTranslateSiteMenuItems = panel.ownerDocument.querySelectorAll( - ".never-translate-site-menuitem" - ); - const neverTranslateSite = - await this.#getTranslationsActor().shouldNeverTranslateSite(); - - for (const menuitem of neverTranslateSiteMenuItems) { - menuitem.setAttribute("checked", neverTranslateSite ? "true" : "false"); - } - } - - /** - * Populates the language-related settings menuitems by adding the - * localized display name of the document's detected language tag. - */ - async #populateSettingsMenuItems() { - const { docLangTag } = await this.#getCachedDetectedLanguages(); - - const { panel } = this.elements; - - const alwaysTranslateMenuItems = panel.ownerDocument.querySelectorAll( - ".always-translate-language-menuitem" - ); - const neverTranslateMenuItems = panel.ownerDocument.querySelectorAll( - ".never-translate-language-menuitem" - ); - - /** @type {string | undefined} */ - let docLangDisplayName; - if (docLangTag) { - const displayNames = new Services.intl.DisplayNames(undefined, { - type: "language", - fallback: "none", - }); - // The display name will still be empty if the docLangTag is not known. - docLangDisplayName = displayNames.of(docLangTag); - } - - for (const menuitem of alwaysTranslateMenuItems) { - if (docLangDisplayName) { - document.l10n.setAttributes( - menuitem, - "translations-panel-settings-always-translate-language", - { language: docLangDisplayName } - ); - } else { - document.l10n.setAttributes( - menuitem, - "translations-panel-settings-always-translate-unknown-language" - ); - } - } - - for (const menuitem of neverTranslateMenuItems) { - if (docLangDisplayName) { - document.l10n.setAttributes( - menuitem, - "translations-panel-settings-never-translate-language", - { language: docLangDisplayName } - ); - } else { - document.l10n.setAttributes( - menuitem, - "translations-panel-settings-never-translate-unknown-language" - ); - } - } - - await Promise.all([ - this.#updateSettingsMenuLanguageCheckboxStates(), - this.#updateSettingsMenuSiteCheckboxStates(), - ]); - } - - /** - * Configures the panel for the user to reset the page after it has been translated. - * - * @param {TranslationPair} translationPair - */ - async #showRevisitView({ fromLanguage, toLanguage }) { - const { fromMenuList, toMenuList, intro } = this.elements; - if (!this.#isShowingDefaultView()) { - await this.#showDefaultView(this.#getTranslationsActor()); - } - intro.hidden = true; - fromMenuList.value = fromLanguage; - toMenuList.value = toLanguage; - this.onChangeLanguages(); - } - - /** - * Handle the disable logic for when the menulist is changed for the "Translate to" - * on the "revisit" subview. - */ - onChangeRevisitTo() { - const { revisitTranslate, revisitMenuList } = this.elements; - revisitTranslate.disabled = !revisitMenuList.value; - } - - /** - * Handle logic and telemetry for changing the selected from-language option. - * - * @param {Event} event - */ - onChangeFromLanguage(event) { - const { target } = event; - if (target?.value) { - TranslationsParent.telemetry().panel().onChangeFromLanguage(target.value); - } - this.onChangeLanguages(); - } - - /** - * Handle logic and telemetry for changing the selected to-language option. - * - * @param {Event} event - */ - onChangeToLanguage(event) { - const { target } = event; - if (target?.value) { - TranslationsParent.telemetry().panel().onChangeToLanguage(target.value); - } - this.onChangeLanguages(); - } - - /** - * When changing the language selection, the translate button will need updating. - */ - onChangeLanguages() { - this.#updateViewFromTranslationStatus(); - } - - /** - * Hide the pop up (for event handlers). - */ - close() { - PanelMultiView.hidePopup(this.elements.panel); - } - - /* - * Handler for clicking the learn more link from linked text - * within the translations panel. - */ - onLearnMoreLink() { - TranslationsParent.telemetry().panel().onLearnMoreLink(); - TranslationsPanel.close(); - } - - /* - * Handler for clicking the learn more link from the gear menu. - */ - onAboutTranslations() { - TranslationsParent.telemetry().panel().onAboutTranslations(); - PanelMultiView.hidePopup(this.elements.panel); - const window = - gBrowser.selectedBrowser.browsingContext.top.embedderElement.ownerGlobal; - window.openTrustedLinkIn( - "https://support.mozilla.org/kb/website-translation", - "tab", - { - forceForeground: true, - triggeringPrincipal: - Services.scriptSecurityManager.getSystemPrincipal(), - } - ); - } - - /** - * When a language is not supported and the menu is manually invoked, an error message - * is shown. This method switches the panel back to the language selection view. - * Note that this bypasses the showSubView method since the main view doesn't support - * a subview. - */ - async onChangeSourceLanguage(event) { - const { panel } = this.elements; - PanelMultiView.hidePopup(panel); - - await this.#showDefaultView( - this.#getTranslationsActor(), - true /* force this view to be shown */ - ); - - await this.#openPanelPopup(this.elements.appMenuButton, { - event, - viewName: "defaultView", - maintainFlow: true, - }); - } - - /** - * @param {TranslationsActor} actor - */ - async #reloadLangList(actor) { - try { - await this.#ensureLangListsBuilt(); - await this.#showDefaultView(actor); - } catch (error) { - this.elements.errorHintAction.disabled = false; - } - } - - /** - * Handle telemetry events when buttons are invoked in the panel. - * - * @param {Event} event - */ - handlePanelButtonEvent(event) { - const { - cancelButton, - changeSourceLanguageButton, - dismissErrorButton, - restoreButton, - translateButton, - } = this.elements; - switch (event.target.id) { - case cancelButton.id: { - TranslationsParent.telemetry().panel().onCancelButton(); - break; - } - case changeSourceLanguageButton.id: { - TranslationsParent.telemetry().panel().onChangeSourceLanguageButton(); - break; - } - case dismissErrorButton.id: { - TranslationsParent.telemetry().panel().onDismissErrorButton(); - break; - } - case restoreButton.id: { - TranslationsParent.telemetry().panel().onRestorePageButton(); - break; - } - case translateButton.id: { - TranslationsParent.telemetry().panel().onTranslateButton(); - break; - } - } - } - - /** - * Handle telemetry events when popups are shown in the panel. - * - * @param {Event} event - */ - handlePanelPopupShownEvent(event) { - const { panel, fromMenuList, toMenuList } = this.elements; - switch (event.target.id) { - case panel.id: { - // This telemetry event is invoked externally because it requires - // extra logic about from where the panel was opened and whether - // or not the flow should be maintained or started anew. - break; - } - case fromMenuList.firstChild.id: { - TranslationsParent.telemetry().panel().onOpenFromLanguageMenu(); - break; - } - case toMenuList.firstChild.id: { - TranslationsParent.telemetry().panel().onOpenToLanguageMenu(); - break; - } - } - } - - /** - * Handle telemetry events when popups are hidden in the panel. - * - * @param {Event} event - */ - handlePanelPopupHiddenEvent(event) { - const { panel, fromMenuList, toMenuList } = this.elements; - switch (event.target.id) { - case panel.id: { - TranslationsParent.telemetry().panel().onClose(); - this.#isPopupOpen = false; - this.elements.error.hidden = true; - break; - } - case fromMenuList.firstChild.id: { - TranslationsParent.telemetry().panel().onCloseFromLanguageMenu(); - break; - } - case toMenuList.firstChild.id: { - TranslationsParent.telemetry().panel().onCloseToLanguageMenu(); - break; - } - } - } - - /** - * Handle telemetry events when the settings menu is shown. - */ - handleSettingsPopupShownEvent() { - TranslationsParent.telemetry().panel().onOpenSettingsMenu(); - } - - /** - * Handle telemetry events when the settings menu is hidden. - */ - handleSettingsPopupHiddenEvent() { - TranslationsParent.telemetry().panel().onCloseSettingsMenu(); - } - - /** - * Opens the Translations panel popup at the given target. - * - * @param {object} target - The target element at which to open the popup. - * @param {object} telemetryData - * @param {string} telemetryData.event - * The trigger event for opening the popup. - * @param {string} telemetryData.viewName - * The name of the view shown by the panel. - * @param {boolean} telemetryData.autoShow - * True if the panel was automatically opened, otherwise false. - * @param {boolean} telemetryData.maintainFlow - * Whether or not to maintain the flow of telemetry. - * @param {boolean} telemetryData.isFirstUserInteraction - * Whether or not this is the first user interaction with the panel. - */ - async #openPanelPopup( - target, - { - event = null, - viewName = null, - autoShow = false, - maintainFlow = false, - isFirstUserInteraction = null, - } - ) { - await window.ensureCustomElements("moz-button-group"); - - const { panel, appMenuButton } = this.elements; - const openedFromAppMenu = target.id === appMenuButton.id; - const { docLangTag } = await this.#getCachedDetectedLanguages(); - - TranslationsParent.telemetry().panel().onOpen({ - viewName, - autoShow, - docLangTag, - maintainFlow, - openedFromAppMenu, - isFirstUserInteraction, - }); - - this.#isPopupOpen = true; - - PanelMultiView.openPopup(panel, target, { - position: "bottomright topright", - triggerEvent: event, - }).catch(error => this.console?.error(error)); - } - - /** - * Keeps track of open requests to guard against race conditions. - * - * @type {Promise | null} - */ - #openPromise = null; - - /** - * Opens the TranslationsPanel. - * - * @param {Event} event - * @param {boolean} reportAsAutoShow - * True to report to telemetry that the panel was opened automatically, otherwise false. - */ - async open(event, reportAsAutoShow = false) { - if (this.#openPromise) { - // There is already an open event happening, do not open. - return; - } - - this.#openPromise = this.#openImpl(event, reportAsAutoShow); - this.#openPromise.finally(() => { - this.#openPromise = null; - }); - } - - /** - * Implementation function for opening the panel. Prefer TranslationsPanel.open. - * - * @param {Event} event - */ - async #openImpl(event, reportAsAutoShow) { - event.stopPropagation(); - if ( - (event.type == "click" && event.button != 0) || - (event.type == "keypress" && - event.charCode != KeyEvent.DOM_VK_SPACE && - event.keyCode != KeyEvent.DOM_VK_RETURN) - ) { - // Allow only left click, space, or enter. - return; - } - - const window = - gBrowser.selectedBrowser.browsingContext.top.embedderElement.ownerGlobal; - window.ensureCustomElements("moz-support-link"); - - const { button } = this.buttonElements; - - const { requestedTranslationPair, locationChangeId } = - this.#getTranslationsActor().languageState; - - // Store this value because it gets modified when #showDefaultView is called below. - const isFirstUserInteraction = !this._hasShownPanel; - - await this.#ensureLangListsBuilt(); - - if (requestedTranslationPair) { - await this.#showRevisitView(requestedTranslationPair).catch(error => { - this.console?.error(error); - }); - } else { - await this.#showDefaultView(this.#getTranslationsActor()).catch(error => { - this.console?.error(error); - }); - } - - this.#populateSettingsMenuItems(); - - const targetButton = - button.contains(event.target) || - event.type === "TranslationsParent:OfferTranslation" - ? button - : this.elements.appMenuButton; - - if (!TranslationsParent.isActiveLocation(locationChangeId)) { - this.console?.log(`A translation panel open request was stale.`, { - locationChangeId, - newlocationChangeId: - this.#getTranslationsActor().languageState.locationChangeId, - currentURISpec: gBrowser.currentURI.spec, - }); - return; - } - - this.console?.log(`Showing a translation panel`, gBrowser.currentURI.spec); - - await this.#openPanelPopup(targetButton, { - event, - autoShow: reportAsAutoShow, - viewName: requestedTranslationPair ? "revisitView" : "defaultView", - maintainFlow: false, - isFirstUserInteraction, - }); - } - - /** - * Returns true if translations is currently active, otherwise false. - * - * @returns {boolean} - */ - #isTranslationsActive() { - const { requestedTranslationPair } = - this.#getTranslationsActor().languageState; - return requestedTranslationPair !== null; - } - - /** - * Handle the translation button being clicked when there are two language options. - */ - async onTranslate() { - PanelMultiView.hidePopup(this.elements.panel); - - const actor = this.#getTranslationsActor(); - actor.translate( - this.elements.fromMenuList.value, - this.elements.toMenuList.value, - false // reportAsAutoTranslate - ); - } - - /** - * Handle the cancel button being clicked. - */ - onCancel() { - PanelMultiView.hidePopup(this.elements.panel); - } - - /** - * A handler for opening the settings context menu. - */ - openSettingsPopup(button) { - this.#updateSettingsMenuLanguageCheckboxStates(); - this.#updateSettingsMenuSiteCheckboxStates(); - const popup = button.ownerDocument.getElementById( - "translations-panel-settings-menupopup" - ); - popup.openPopup(button, "after_end"); - } - - /** - * Creates a new CheckboxPageAction based on the current translated - * state of the page and the state of the persistent options in the - * translations panel settings. - * - * @returns {CheckboxPageAction} - */ - getCheckboxPageActionFor() { - const { - alwaysTranslateLanguageMenuItem, - neverTranslateLanguageMenuItem, - neverTranslateSiteMenuItem, - } = this.elements; - - const alwaysTranslateLanguage = - alwaysTranslateLanguageMenuItem.getAttribute("checked") === "true"; - const neverTranslateLanguage = - neverTranslateLanguageMenuItem.getAttribute("checked") === "true"; - const neverTranslateSite = - neverTranslateSiteMenuItem.getAttribute("checked") === "true"; - - return new CheckboxPageAction( - this.#isTranslationsActive(), - alwaysTranslateLanguage, - neverTranslateLanguage, - neverTranslateSite - ); - } - - /** - * Redirect the user to about:preferences - */ - openManageLanguages() { - TranslationsParent.telemetry().panel().onManageLanguages(); - const window = - gBrowser.selectedBrowser.browsingContext.top.embedderElement.ownerGlobal; - window.openTrustedLinkIn("about:preferences#general-translations", "tab"); - } - - /** - * Performs the given page action. - * - * @param {PageAction} pageAction - */ - async #doPageAction(pageAction) { - switch (pageAction) { - case PageAction.NO_CHANGE: { - break; - } - case PageAction.RESTORE_PAGE: { - await this.onRestore(); - break; - } - case PageAction.TRANSLATE_PAGE: { - await this.onTranslate(); - break; - } - case PageAction.CLOSE_PANEL: { - PanelMultiView.hidePopup(this.elements.panel); - break; - } - } - } - - /** - * Updates the always-translate-language menuitem prefs and checked state. - * If auto-translate is currently active for the doc language, deactivates it. - * If auto-translate is currently inactive for the doc language, activates it. - */ - async onAlwaysTranslateLanguage() { - const langTags = await this.#getCachedDetectedLanguages(); - const { docLangTag } = langTags; - if (!docLangTag) { - throw new Error("Expected to have a document language tag."); - } - const pageAction = - this.getCheckboxPageActionFor().alwaysTranslateLanguage(); - const toggledOn = - TranslationsParent.toggleAlwaysTranslateLanguagePref(langTags); - TranslationsParent.telemetry() - .panel() - .onAlwaysTranslateLanguage(docLangTag, toggledOn); - this.#updateSettingsMenuLanguageCheckboxStates(); - await this.#doPageAction(pageAction); - } - - /** - * Toggle offering translations. - */ - async onAlwaysOfferTranslations() { - const toggledOn = TranslationsParent.toggleAutomaticallyPopupPref(); - TranslationsParent.telemetry().panel().onAlwaysOfferTranslations(toggledOn); - } - - /** - * Updates the never-translate-language menuitem prefs and checked state. - * If never-translate is currently active for the doc language, deactivates it. - * If never-translate is currently inactive for the doc language, activates it. - */ - async onNeverTranslateLanguage() { - const { docLangTag } = await this.#getCachedDetectedLanguages(); - if (!docLangTag) { - throw new Error("Expected to have a document language tag."); - } - const pageAction = this.getCheckboxPageActionFor().neverTranslateLanguage(); - const toggledOn = - TranslationsParent.toggleNeverTranslateLanguagePref(docLangTag); - TranslationsParent.telemetry() - .panel() - .onNeverTranslateLanguage(docLangTag, toggledOn); - this.#updateSettingsMenuLanguageCheckboxStates(); - await this.#doPageAction(pageAction); - } - - /** - * Updates the never-translate-site menuitem permissions and checked state. - * If never-translate is currently active for the site, deactivates it. - * If never-translate is currently inactive for the site, activates it. - */ - async onNeverTranslateSite() { - const pageAction = this.getCheckboxPageActionFor().neverTranslateSite(); - const toggledOn = - await this.#getTranslationsActor().toggleNeverTranslateSitePermissions(); - TranslationsParent.telemetry().panel().onNeverTranslateSite(toggledOn); - this.#updateSettingsMenuSiteCheckboxStates(); - await this.#doPageAction(pageAction); - } - - /** - * Handle the restore button being clicked. - */ - async onRestore() { - const { panel } = this.elements; - PanelMultiView.hidePopup(panel); - const { docLangTag } = await this.#getCachedDetectedLanguages(); - if (!docLangTag) { - throw new Error("Expected to have a document language tag."); - } - - this.#getTranslationsActor().restorePage(docLangTag); - } - - /** - * An event handler that allows the TranslationsPanel object - * to be compatible with the addTabsProgressListener function. - * - * @param {tabbrowser} browser - */ - onLocationChange(browser) { - if (browser.currentURI.spec.startsWith("about:reader")) { - // Hide the translations button when entering reader mode. - this.buttonElements.button.hidden = true; - } - } - - /** - * Update the view to show an error. - * - * @param {TranslationParent} actor - */ - async #showEngineError(actor) { - const { button } = this.buttonElements; - await this.#ensureLangListsBuilt(); - if (!this.#isShowingDefaultView()) { - await this.#showDefaultView(actor).catch(e => { - this.console?.error(e); - }); - } - this.elements.error.hidden = false; - this.#showError({ - message: "translations-panel-error-translating", - }); - const targetButton = button.hidden ? this.elements.appMenuButton : button; - - // Re-open the menu on an error. - await this.#openPanelPopup(targetButton, { - autoShow: true, - viewName: "errorView", - maintainFlow: true, - }); - } - - /** - * Set the state of the translations button in the URL bar. - * - * @param {CustomEvent} event - */ - handleEvent = event => { - switch (event.type) { - case "TranslationsParent:OfferTranslation": { - if (Services.wm.getMostRecentBrowserWindow()?.gBrowser === gBrowser) { - this.open(event, /* reportAsAutoShow */ true); - } - break; - } - case "TranslationsParent:LanguageState": { - const { actor } = event.detail; - const { - detectedLanguages, - requestedTranslationPair, - error, - isEngineReady, - } = actor.languageState; - - const { button, buttonLocale, buttonCircleArrows } = - this.buttonElements; - - const hasSupportedLanguage = - detectedLanguages?.docLangTag && - detectedLanguages?.userLangTag && - detectedLanguages?.isDocLangTagSupported; - - if (detectedLanguages) { - // Ensure the cached detected languages are up to date, for instance whenever - // the user switches tabs. - TranslationsPanel.detectedLanguages = detectedLanguages; - } - - if (this.#isPopupOpen) { - // Make sure to use the language state that is passed by the event.detail, and - // don't read it from the actor here, as it's possible the actor isn't available - // via the gBrowser.selectedBrowser. - this.#updateViewFromTranslationStatus(actor.languageState); - } - - if ( - // We've already requested to translate this page, so always show the icon. - requestedTranslationPair || - // There was an error translating, so always show the icon. This can happen - // when a user manually invokes the translation and we wouldn't normally show - // the icon. - error || - // Finally check that we can translate this language. - (hasSupportedLanguage && - TranslationsParent.getIsTranslationsEngineSupported()) - ) { - // Keep track if the button was originally hidden, because it will be shown now. - const wasButtonHidden = button.hidden; - - button.hidden = false; - if (requestedTranslationPair) { - // The translation is active, update the urlbar button. - button.setAttribute("translationsactive", true); - if (isEngineReady) { - const displayNames = new Services.intl.DisplayNames(undefined, { - type: "language", - }); - - document.l10n.setAttributes( - button, - "urlbar-translations-button-translated", - { - fromLanguage: displayNames.of( - requestedTranslationPair.fromLanguage - ), - toLanguage: displayNames.of( - requestedTranslationPair.toLanguage - ), - } - ); - // Show the locale of the page in the button. - buttonLocale.hidden = false; - buttonCircleArrows.hidden = true; - buttonLocale.innerText = requestedTranslationPair.toLanguage; - } else { - document.l10n.setAttributes( - button, - "urlbar-translations-button-loading" - ); - // Show the spinning circle arrows to indicate that the engine is - // still loading. - buttonCircleArrows.hidden = false; - buttonLocale.hidden = true; - } - } else { - // The translation is not active, update the urlbar button. - button.removeAttribute("translationsactive"); - buttonLocale.hidden = true; - buttonCircleArrows.hidden = true; - - // 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 - ) { - document.l10n.setAttributes( - button, - "urlbar-translations-button2" - ); - } else { - document.l10n.setAttributes( - button, - "urlbar-translations-button-intro" - ); - } - } - - // The button was hidden, but now it is shown. - if (wasButtonHidden) { - PageActions.sendPlacedInUrlbarTrigger(button); - } - } else if (!button.hidden) { - // There are no translations visible, hide the button. - button.hidden = true; - } - - switch (error) { - case null: - break; - case "engine-load-failure": - this.#showEngineError(actor).catch(viewError => - this.console.error(viewError) - ); - break; - default: - console.error("Unknown translation error", error); - } - break; - } - } - }; -})(); - -XPCOMUtils.defineLazyPreferenceGetter( - TranslationsPanel, - "_hasShownPanel", - "browser.translations.panelShown", - false -); -- cgit v1.2.3