305 lines
11 KiB
PHP
305 lines
11 KiB
PHP
<?php
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/**
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* Register the widget for use in Appearance -> Widgets
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*/
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add_action( 'widgets_init', 'jetpack_facebook_likebox_init' );
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function jetpack_facebook_likebox_init() {
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register_widget( 'WPCOM_Widget_Facebook_LikeBox' );
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}
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/**
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* Facebook Page Plugin (formely known as the Like Box)
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* Display a Facebook Page Plugin as a widget (replaces the old like box plugin)
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* https://developers.facebook.com/docs/plugins/page-plugin
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*/
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class WPCOM_Widget_Facebook_LikeBox extends WP_Widget {
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private $default_height = 580;
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private $default_width = 340;
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private $max_width = 500;
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private $min_width = 180;
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private $max_height = 9999;
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private $min_height = 130;
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function __construct() {
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parent::__construct(
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'facebook-likebox',
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/**
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* Filter the name of a widget included in the Extra Sidebar Widgets module.
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*
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* @module widgets
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*
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* @since 2.1.2
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*
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* @param string $widget_name Widget title.
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*/
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apply_filters( 'jetpack_widget_name', __( 'Facebook Page Plugin', 'jetpack' ) ),
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array(
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'classname' => 'widget_facebook_likebox',
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'description' => __( 'Use the Facebook Page Plugin to connect visitors to your Facebook Page', 'jetpack' ),
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'customize_selective_refresh' => true,
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)
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);
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if ( is_active_widget( false, false, $this->id_base ) || is_active_widget( false, false, 'monster' ) || is_customize_preview() ) {
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
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}
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}
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/**
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* Enqueue scripts.
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*/
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public function enqueue_scripts() {
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wp_enqueue_script( 'jetpack-facebook-embed' );
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wp_enqueue_style( 'jetpack_facebook_likebox', plugins_url( 'facebook-likebox/style.css', __FILE__ ) );
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wp_style_add_data( 'jetpack_facebook_likebox', 'jetpack-inline', true );
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}
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function widget( $args, $instance ) {
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extract( $args );
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$like_args = $this->normalize_facebook_args( $instance['like_args'] );
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if ( empty( $like_args['href'] ) || ! $this->is_valid_facebook_url( $like_args['href'] ) ) {
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if ( current_user_can('edit_theme_options') ) {
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echo $before_widget;
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echo '<p>' . sprintf( __( 'It looks like your Facebook URL is incorrectly configured. Please check it in your <a href="%s">widget settings</a>.', 'jetpack' ), admin_url( 'widgets.php' ) ) . '</p>';
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echo $after_widget;
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}
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echo '<!-- Invalid Facebook Page URL -->';
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return;
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}
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/** This filter is documented in core/src/wp-includes/default-widgets.php */
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$title = apply_filters( 'widget_title', $instance['title'] );
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$page_url = set_url_scheme( $like_args['href'], 'https' );
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$like_args['show_faces'] = (bool) $like_args['show_faces'] ? 'true' : 'false';
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$like_args['stream'] = (bool) $like_args['stream'] ? 'true' : 'false';
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$like_args['cover'] = (bool) $like_args['cover'] ? 'false' : 'true';
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echo $before_widget;
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if ( ! empty( $title ) ) :
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echo $before_title;
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$likebox_widget_title = '<a href="' . esc_url( $page_url ) . '">' . esc_html( $title ) . '</a>';
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/**
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* Filter Facebook Likebox's widget title.
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*
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* @module widgets
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*
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* @since 3.3.0
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*
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* @param string $likebox_widget_title Likebox Widget title (including a link to the Page URL).
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* @param string $title Widget title as set in the widget settings.
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* @param string $page_url Facebook Page URL.
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*/
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echo apply_filters( 'jetpack_facebook_likebox_title', $likebox_widget_title, $title, $page_url );
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echo $after_title;
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endif;
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?>
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<div id="fb-root"></div>
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<div class="fb-page" data-href="<?php echo esc_url( $page_url ); ?>" data-width="<?php echo intval( $like_args['width'] ); ?>" data-height="<?php echo intval( $like_args['height'] ); ?>" data-hide-cover="<?php echo esc_attr( $like_args['cover'] ); ?>" data-show-facepile="<?php echo esc_attr( $like_args['show_faces'] ); ?>" data-show-posts="<?php echo esc_attr( $like_args['stream'] ); ?>">
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<div class="fb-xfbml-parse-ignore"><blockquote cite="<?php echo esc_url( $page_url ); ?>"><a href="<?php echo esc_url( $page_url ); ?>"><?php echo esc_html( $title ); ?></a></blockquote></div>
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</div>
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<?php
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wp_enqueue_script( 'jetpack-facebook-embed' );
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echo $after_widget;
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/** This action is already documented in modules/widgets/gravatar-profile.php */
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do_action( 'jetpack_stats_extra', 'widget', 'facebook-likebox' );
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}
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function update( $new_instance, $old_instance ) {
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$instance = array(
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'title' => '',
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'like_args' => $this->get_default_args(),
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);
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$instance['title'] = trim( strip_tags( stripslashes( $new_instance['title'] ) ) );
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// Set up widget values
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$instance['like_args'] = array(
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'href' => trim( strip_tags( stripslashes( $new_instance['href'] ) ) ),
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'width' => (int) $new_instance['width'],
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'height' => (int) $new_instance['height'],
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'show_faces' => isset( $new_instance['show_faces'] ),
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'stream' => isset( $new_instance['stream'] ),
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'cover' => isset( $new_instance['cover'] ),
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);
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$instance['like_args'] = $this->normalize_facebook_args( $instance['like_args'] );
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return $instance;
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}
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function form( $instance ) {
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$instance = wp_parse_args( (array) $instance, array(
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'title' => '',
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'like_args' => $this->get_default_args()
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) );
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$like_args = $this->normalize_facebook_args( $instance['like_args'] );
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?>
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<p>
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<label for="<?php echo $this->get_field_id( 'title' ); ?>">
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<?php _e( 'Title', 'jetpack' ); ?>
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<input type="text" name="<?php echo $this->get_field_name( 'title' ); ?>" id="<?php echo $this->get_field_id( 'title' ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" class="widefat" />
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</label>
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'href' ); ?>">
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<?php _e( 'Facebook Page URL', 'jetpack' ); ?>
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<input type="text" name="<?php echo $this->get_field_name( 'href' ); ?>" id="<?php echo $this->get_field_id( 'href' ); ?>" value="<?php echo esc_url( $like_args['href'] ); ?>" class="widefat" />
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<br />
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<small><?php _e( 'The widget only works with Facebook Pages.', 'jetpack' ); ?></small>
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</label>
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'width' ); ?>">
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<?php _e( 'Width', 'jetpack' ); ?>
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<input type="number" class="smalltext" min="1" max="999" maxlength="3" name="<?php echo $this->get_field_name( 'width' ); ?>" id="<?php echo $this->get_field_id( 'width' ); ?>" value="<?php echo esc_attr( $like_args['width'] ); ?>" style="text-align: center;" />px
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</label>
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'height' ); ?>">
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<?php _e( 'Height', 'jetpack' ); ?>
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<input type="number" class="smalltext" min="1" max="999" maxlength="3" name="<?php echo $this->get_field_name( 'height' ); ?>" id="<?php echo $this->get_field_id( 'height' ); ?>" value="<?php echo esc_attr( $like_args['height'] ); ?>" style="text-align: center;" />px
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</label>
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'show_faces' ); ?>">
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<input type="checkbox" name="<?php echo $this->get_field_name( 'show_faces' ); ?>" id="<?php echo $this->get_field_id( 'show_faces' ); ?>" <?php checked( $like_args['show_faces'] ); ?> />
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<?php _e( 'Show Faces', 'jetpack' ); ?>
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<br />
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<small><?php _e( 'Show profile photos in the plugin.', 'jetpack' ); ?></small>
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</label>
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'stream' ); ?>">
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<input type="checkbox" name="<?php echo $this->get_field_name( 'stream' ); ?>" id="<?php echo $this->get_field_id( 'stream' ); ?>" <?php checked( $like_args['stream'] ); ?> />
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<?php _e( 'Show Stream', 'jetpack' ); ?>
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<br />
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<small><?php _e( 'Show Page Posts.', 'jetpack' ); ?></small>
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</label>
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'cover' ); ?>">
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<input type="checkbox" name="<?php echo $this->get_field_name( 'cover' ); ?>" id="<?php echo $this->get_field_id( 'cover' ); ?>" <?php checked( $like_args['cover'] ); ?> />
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<?php _e( 'Show Cover Photo', 'jetpack' ); ?>
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<br />
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</label>
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</p>
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<?php
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}
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function get_default_args() {
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$defaults = array(
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'href' => '',
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'width' => $this->default_width,
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'height' => $this->default_height,
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'show_faces' => 'true',
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'stream' => '',
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'cover' => 'true',
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);
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/**
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* Filter Facebook Likebox default options.
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*
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* @module widgets
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*
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* @since 1.3.1
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*
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* @param array $defaults Array of default options.
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*/
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return apply_filters( 'jetpack_facebook_likebox_defaults', $defaults );
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}
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function normalize_facebook_args( $args ) {
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$args = wp_parse_args( (array) $args, $this->get_default_args() );
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// Validate the Facebook Page URL
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if ( $this->is_valid_facebook_url( $args['href'] ) ) {
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$temp = explode( '?', $args['href'] );
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$args['href'] = str_replace( array( 'http://facebook.com', 'https://facebook.com' ), array( 'http://www.facebook.com', 'https://www.facebook.com' ), $temp[0] );
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} else {
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$args['href'] = '';
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}
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$args['width'] = $this->normalize_int_value( (int) $args['width'], $this->default_width, $this->max_width, $this->min_width );
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$args['height'] = $this->normalize_int_value( (int) $args['height'], $this->default_height, $this->max_height, $this->min_height );
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$args['show_faces'] = (bool) $args['show_faces'];
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$args['stream'] = (bool) $args['stream'];
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$args['cover'] = (bool) $args['cover'];
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// The height used to be dependent on other widget settings
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// If the user changes those settings but doesn't customize the height,
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// let's intelligently assign a new height.
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if ( in_array( $args['height'], array( 580, 110, 432 ) ) ) {
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if ( $args['show_faces'] && $args['stream'] ) {
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$args['height'] = 580;
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} else if ( ! $args['show_faces'] && ! $args['stream'] ) {
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$args['height'] = 130;
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} else {
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$args['height'] = 432;
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}
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}
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return $args;
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}
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function is_valid_facebook_url( $url ) {
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return ( FALSE !== strpos( $url, 'facebook.com' ) ) ? TRUE : FALSE;
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}
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function normalize_int_value( $value, $default = 0, $max = 0, $min = 0 ) {
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$value = (int) $value;
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if ( $max < $value || $min > $value )
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$value = $default;
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return (int) $value;
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}
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function normalize_text_value( $value, $default = '', $allowed = array() ) {
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$allowed = (array) $allowed;
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if ( empty( $value ) || ( ! empty( $allowed ) && ! in_array( $value, $allowed ) ) )
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$value = $default;
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return $value;
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}
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/**
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* @deprecated
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*/
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function guess_locale_from_lang( $lang ) {
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_deprecated_function( __METHOD__, '4.0.0', 'Jetpack::guess_locale_from_lang()' );
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Jetpack::$instance->get_locale_from_lang( $lang );
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}
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/**
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* @deprecated
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*/
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function get_locale() {
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_deprecated_function( __METHOD__, '4.0.0', 'Jetpack::get_locale()' );
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Jetpack::$instance->get_locale();
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}
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}
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// END
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