<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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/**

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* Plugin Name: Google Translate Widget for WordPress.com

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* Plugin URI: https://automattic.com

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* Description: Add a widget for automatic translation

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* Author: Artur Piszek

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* Version: 0.1

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* Author URI: https://automattic.com

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* Text Domain: jetpack

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*/

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// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files.

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use Automattic\Jetpack\Assets;

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Jetpack_Google_Translate_Widget main class.

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*/

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class Jetpack_Google_Translate_Widget extends WP_Widget {

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/**

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* Singleton instance of the widget, not to show more than once.

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*

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* @var array

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*/

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public static $instance = null;

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/**

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* Default widget title.

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*

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* @var string $default_title

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*/

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public $default_title;

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/**

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* Register widget with WordPress.

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*/

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public function __construct() {

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parent::__construct(

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'google_translate_widget',

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/** This filter is documented in modules/widgets/facebook-likebox.php */

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apply_filters( 'jetpack_widget_name', __( 'Google Translate', 'jetpack' ) ),

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array(

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'description' => __( 'Provide your readers with the option to translate your site into their preferred language.', 'jetpack' ),

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'customize_selective_refresh' => true,

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)

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);

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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );

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$this->default_title = esc_html__( 'Translate', 'jetpack' );

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}

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/**

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* Enqueue frontend JS scripts.

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*/

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public function enqueue_scripts() {

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wp_register_script(

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'google-translate-init',

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Assets::get_file_url_for_environment(

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'_inc/build/widgets/google-translate/google-translate.min.js',

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'modules/widgets/google-translate/google-translate.js'

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),

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array(),

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JETPACK__VERSION,

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false

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);

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wp_register_script(

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'google-translate',

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'//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit',

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array( 'google-translate-init' ),

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JETPACK__VERSION,

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false

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);

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// Admin bar is also displayed on top of the site which causes google translate bar to hide beneath.

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// Overwrite position of body.admin-bar

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// This is a hack to show google translate bar a bit lower.

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$lower_translate_bar = '

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.admin-bar {

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position: inherit !important;

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top: auto !important;

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}

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.admin-bar .goog-te-banner-frame {

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top: 32px !important

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}

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@media screen and (max-width: 782px) {

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.admin-bar .goog-te-banner-frame {

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top: 46px !important;

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}

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}

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@media screen and (max-width: 480px) {

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.admin-bar .goog-te-banner-frame {

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position: absolute;

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}

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}

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';

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wp_add_inline_style( 'admin-bar', $lower_translate_bar );

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wp_add_inline_style( 'wpcom-admin-bar', $lower_translate_bar );

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}

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/**

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* Display the Widget.

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*

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* @see WP_Widget::widget()

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*

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* @param array $args Display arguments.

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* @param array $instance The settings for the particular instance of the widget.

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*/

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public function widget( $args, $instance ) {

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// We never should show more than 1 instance of this.

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if ( null === self::$instance ) {

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$instance = wp_parse_args(

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$instance,

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array(

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'title' => $this->default_title,

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)

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);

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/**

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* Filter the layout of the Google Translate Widget.

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*

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* 3 different integers are accepted.

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* 0 for the vertical layout.

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* 1 for the horizontal layout.

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* 2 for the dropdown only.

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*

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* @see https://translate.google.com/manager/website/

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*

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* @module widgets

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*

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* @since 5.5.0

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*

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* @param string $layout layout of the Google Translate Widget.

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*/

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$button_layout = apply_filters( 'jetpack_google_translate_widget_layout', 0 );

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if (

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! is_int( $button_layout )

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|| 0 > $button_layout

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|| 2 < $button_layout

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) {

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$button_layout = 0;

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}

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wp_localize_script(

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'google-translate-init',

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'_wp_google_translate_widget',

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array(

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'lang' => get_locale(),

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'layout' => (int) $button_layout,

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)

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);

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wp_enqueue_script( 'google-translate-init' );

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wp_enqueue_script( 'google-translate' );

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$title = $instance['title'];

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if ( ! isset( $title ) ) {

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$title = $this->default_title;

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}

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/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */

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$title = apply_filters( 'widget_title', $title );

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echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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if ( ! empty( $title ) ) {

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echo $args['before_title'] . $title . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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}

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echo '<div id="google_translate_element"></div>';

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echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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self::$instance = $instance;

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/** This action is documented in modules/widgets/gravatar-profile.php */

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do_action( 'jetpack_stats_extra', 'widget_view', 'google-translate' );

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}

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}

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/**

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* Widget form in the dashboard.

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*

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* @see WP_Widget::form()

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*

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* @param array $instance Previously saved values from database.

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* @return string|void

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*/

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public function form( $instance ) {

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$title = isset( $instance['title'] ) ? $instance['title'] : false;

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if ( false === $title ) {

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$title = $this->default_title;

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}

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?>

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<p>

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<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title:', 'jetpack' ); ?></label>

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<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />

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</p>

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<?php

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}

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/**

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* Sanitize widget form values as they are saved.

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*

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* @see WP_Widget::update()

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*

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* @param array $new_instance Values just sent to be saved.

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* @param array $old_instance Previously saved values from database.

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*

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* @return array $instance Updated safe values to be saved.

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*/

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public function update( $new_instance, $old_instance ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable

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$instance = array();

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$instance['title'] = wp_kses( $new_instance['title'], array() );

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if ( $instance['title'] === $this->default_title ) {

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$instance['title'] = false; // Store as false in case of language change.

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}

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return $instance;

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}

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}

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/**

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* Register the widget for use in Appearance -> Widgets.

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*/

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function jetpack_google_translate_widget_init() {

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register_widget( 'Jetpack_Google_Translate_Widget' );

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}

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add_action( 'widgets_init', 'jetpack_google_translate_widget_init' );

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