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<?php
/**
 * Facebook Like Box widget.
 *
 * Based on Jetpack Facebook Like Box widget.
 *
 * @package OceanWP WordPress theme
 */

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'Ocean_Extra_Facebook_Widget' ) ) {
	class Ocean_Extra_Facebook_Widget extends WP_Widget {

private $default_height       = 300;
		private $default_width        = 300;
		private $max_width            = 9999;
		private $min_width            = 0;
		private $max_height           = 9999;
		private $min_height           = 100;
		private $default_colorscheme  = 'light';
		private $allowed_colorschemes = array( 'light', 'dark' );

/**
		 * Register widget with WordPress.
		 *
		 * @since 1.0.0
		 */
		public function __construct() {
			parent::__construct(
				'ocean_facebook',
				esc_html__( '» Facebook Like Box', 'ocean-extra' ),
				array(
					'classname'                   => 'widget_facebook_likebox',
					'description'                 => esc_html__( 'Display a Facebook Like Box to connect visitors to your Facebook Page.', 'ocean-extra' ),
					'customize_selective_refresh' => true,
				)
			);
		}

/**
		 * Front-end display of widget.
		 *
		 * @see WP_Widget::widget()
		 * @since 1.0.0
		 *
		 * @param array $args     Widget arguments.
		 * @param array $instance Saved values from database.
		 */
		public function widget( $args, $instance ) {
			$name           = isset( $args['name'] ) ? $args['name'] : '';
			$id             = isset( $args['id'] ) ? $args['id'] : '';
			$description    = isset( $args['description'] ) ? $args['description'] : '';
			$class          = isset( $args['class'] ) ? $args['class'] : '';
			$before_widget  = isset( $args['before_widget'] ) ? $args['before_widget'] : '';
			$after_widget   = isset( $args['after_widget'] ) ? $args['after_widget'] : '';
			$before_title   = isset( $args['before_title'] ) ? $args['before_title'] : '';
			$after_title    = isset( $args['after_title'] ) ? $args['after_title'] : '';
			$before_sidebar = isset( $args['before_sidebar'] ) ? $args['before_sidebar'] : '';
			$after_sidebar  = isset( $args['after_sidebar'] ) ? $args['after_sidebar'] : '';
			$widget_id      = isset( $args['widget_id'] ) ? $args['widget_id'] : '';
			$widget_name    = isset( $args['widget_name'] ) ? $args['widget_name'] : '';

$like_args = $this->normalize_facebook_args( $instance['like_args'] );

if ( empty( $like_args['href'] ) || ! $this->is_valid_facebook_url( $like_args['href'] ) ) {
				if ( current_user_can( 'edit_theme_options' ) ) {
					echo $before_widget;
					echo '<p>' . sprintf( esc_html__( 'It looks like your Facebook URL is incorrectly configured. Please check it in your <a href="%s">widget settings</a>.', 'ocean-extra' ), esc_url( admin_url( 'widgets.php' ) ) ) . '</p>';
					echo $after_widget;
				}
				echo '';
				return;
			}

$title    = apply_filters( 'widget_title', $instance['title'] );
			$page_url = set_url_scheme( $like_args['href'], 'https' );

$like_args['show_faces']  = (bool) $like_args['show_faces'] ? 'true' : 'false';
			$like_args['stream']      = (bool) $like_args['stream'] ? 'true' : 'false';
			$like_args['force_wall']  = (bool) $like_args['force_wall'] ? 'true' : 'false';
			$like_args['show_border'] = (bool) $like_args['show_border'] ? 'true' : 'false';
			$like_args['header']      = (bool) $like_args['header'] ? 'true' : 'false';
			$like_bg_colour           = apply_filters( 'ocean_fb_likebox_bg', ( 'dark' == $like_args['colorscheme'] ? '#000' : '#fff' ), $like_args['colorscheme'] );

$locale = $this->get_locale();
			if ( $locale && 'en_US' != $locale ) {
				$like_args['locale'] = $locale;
			}

$like_args = urlencode_deep( $like_args );
			$like_url  = add_query_arg(
				$like_args,
				'https://www.facebook.com/plugins/likebox.php'
			);

// Before widget WP hook
			echo $args['before_widget'];

if ( ! empty( $title ) ) :
				echo $before_title;

$likebox_widget_title = '<a href="' . esc_url( $page_url ) . '">' . esc_html( $title ) . '</a>';

echo apply_filters( 'ocean_facebook_likebox_title', $likebox_widget_title, $title, $page_url );

echo $after_title;
				endif; ?>

// After widget WP hook
									echo $args['after_widget'];

do_action( 'ocean_stats_extra', 'widget', 'facebook-likebox' );
		}

/**
		 * Sanitize widget form values as they are saved.
		 *
		 * @see WP_Widget::update()
		 * @since 1.0.0
		 *
		 * @param array $new_instance Values just sent to be saved.
		 * @param array $old_instance Previously saved values from database.
		 *
		 * @return array Updated safe values to be saved.
		 */
		public function update( $new_instance, $old_instance ) {
			$instance = array(
				'title'     => '',
				'like_args' => $this->get_default_args(),
			);

$instance['title'] = trim( strip_tags( stripslashes( $new_instance['title'] ) ) );

if ( isset( $new_instance['like_args'] ) && ! empty( $new_instance['like_args'] ) ) {
				return $new_instance;
			}

// Set up widget values
			$instance['like_args'] = array(
				'href'        => trim( strip_tags( stripslashes( $new_instance['href'] ) ) ),
				'width'       => (int) $new_instance['width'],
				'height'      => (int) $new_instance['height'],
				'colorscheme' => $new_instance['colorscheme'],
				'show_faces'  => isset( $new_instance['show_faces'] ) ? (bool) $new_instance['show_faces'] : false,
				'stream'      => (bool) $new_instance['stream'],
				'show_border' => (bool) $new_instance['show_border'],
				'header'      => false, // The header just displays "Find us on Facebook"; it's redundant with the title
				'force_wall'  => (bool) $new_instance['force_wall'],
			);

$instance['like_args'] = $this->normalize_facebook_args( $instance['like_args'] );

return $instance;
		}

/**
		 * Back-end widget form.
		 *
		 * @see WP_Widget::form()
		 * @since 1.0.0
		 *
		 * @param array $instance Previously saved values from database.
		 */
		public function form( $instance ) {
			$instance  = wp_parse_args(
				(array) $instance,
				array(
					'title'     => '',
					'like_args' => $this->get_default_args(),
				)
			);
			$like_args = $this->normalize_facebook_args( $instance['like_args'] );
			?>

<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title', 'ocean-extra' ); ?></label>
				<input type="text" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" class="widefat" />
			</p>

<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'href' ) ); ?>"><?php esc_html_e( 'Facebook Page URL', 'ocean-extra' ); ?></label>
				<input type="text" name="<?php echo esc_attr( $this->get_field_name( 'href' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'href' ) ); ?>" value="<?php echo esc_url( $like_args['href'] ); ?>" class="widefat" />
				<br />
				<small><?php esc_html_e( 'The Like Box only works with ', 'ocean-extra' ); ?><a href="http://www.facebook.com/help/?faq=174987089221178" target="_blank"><?php esc_html_e( 'Facebook Pages', 'ocean-extra' ); ?></a></small>
			</p>

<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'width' ) ); ?>"><?php esc_html_e( 'Width', 'ocean-extra' ); ?></label>
				<input type="number" class="smalltext" min="1" max="999" maxlength="3" name="<?php echo esc_attr( $this->get_field_name( 'width' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'width' ) ); ?>" value="<?php echo esc_attr( $like_args['width'] ); ?>" style="text-align: center;" />px
			</p>

<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'height' ) ); ?>"><?php esc_html_e( 'Height', 'ocean-extra' ); ?></label>
				<input type="number" class="smalltext" min="1" max="999" maxlength="3" name="<?php echo esc_attr( $this->get_field_name( 'height' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'height' ) ); ?>" value="<?php echo esc_attr( $like_args['height'] ); ?>" style="text-align: center;" />px
			</p>

<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'colorscheme' ) ); ?>"><?php esc_html_e( 'Color Scheme', 'ocean-extra' ); ?></label>
				<select name="<?php echo esc_attr( $this->get_field_name( 'colorscheme' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'colorscheme' ) ); ?>">
					<option value="light" <?php selected( $like_args['colorscheme'], 'light' ); ?>><?php esc_html_e( 'Light', 'ocean-extra' ); ?></option>
					<option value="dark" <?php selected( $like_args['colorscheme'], 'dark' ); ?>><?php esc_html_e( 'Dark', 'ocean-extra' ); ?></option>
				</select>
			</p>

<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'show_faces' ) ); ?>">
					<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'show_faces' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'show_faces' ) ); ?>" <?php checked( $like_args['show_faces'] ); ?> />
					<?php esc_html_e( 'Show Faces', 'ocean-extra' ); ?>
					<br />
					<small><?php esc_html_e( 'Show profile photos in the plugin.', 'ocean-extra' ); ?></small>
				</label>
			</p>

<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'stream' ) ); ?>">
					<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'stream' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'stream' ) ); ?>" <?php checked( $like_args['stream'] ); ?> />
					<?php esc_html_e( 'Show Stream', 'ocean-extra' ); ?>
					<br />
					<small><?php esc_html_e( 'Show the profile stream for the public profile.', 'ocean-extra' ); ?></small>
				</label>
			</p>

<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'show_border' ) ); ?>">
					<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'show_border' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'show_border' ) ); ?>" <?php checked( $like_args['show_border'] ); ?> />
					<?php esc_html_e( 'Show Border', 'ocean-extra' ); ?>
					<br />
					<small><?php esc_html_e( 'Show a border around the plugin.', 'ocean-extra' ); ?></small>
				</label>
			</p>

<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'force_wall' ) ); ?>">
					<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'force_wall' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'force_wall' ) ); ?>" <?php checked( $like_args['force_wall'] ); ?> />
					<?php esc_html_e( 'Show Wall', 'ocean-extra' ); ?>
					<br />
					<small><?php esc_html_e( 'Show the wall for a Places page rather than friend activity.', 'ocean-extra' ); ?></small>
				</label>
			</p>

<?php
		}

public function get_default_args() {
			$defaults = array(
				'href'        => '',
				'width'       => $this->default_width,
				'height'      => $this->default_height,
				'colorscheme' => $this->default_colorscheme,
				'show_faces'  => true,
				'stream'      => false,
				'show_border' => true,
				'header'      => false,
				'force_wall'  => false,
			);

return apply_filters( 'ocean_facebook_likebox_defaults', $defaults );
		}

public function normalize_facebook_args( $args ) {
			$args = wp_parse_args( (array) $args, $this->get_default_args() );

// Validate the Facebook Page URL
			if ( $this->is_valid_facebook_url( $args['href'] ) ) {
				$temp         = explode( '?', $args['href'] );
				$args['href'] = str_replace( array( 'http://facebook.com', 'https://facebook.com' ), array( 'http://www.facebook.com', 'https://www.facebook.com' ), $temp[0] );
			} else {
				$args['href'] = '';
			}

$args['width']       = $this->normalize_int_value( (int) $args['width'], $this->default_width, $this->max_width, $this->min_width );
			$args['height']      = $this->normalize_int_value( (int) $args['height'], $this->default_height, $this->max_height, $this->min_height );
			$args['colorscheme'] = $this->normalize_text_value( $args['colorscheme'], $this->default_colorscheme, $this->allowed_colorschemes );
			$args['show_faces']  = (bool) $args['show_faces'];
			$args['stream']      = (bool) $args['stream'];
			$args['show_border'] = (bool) $args['show_border'];
			$args['force_wall']  = (bool) $args['force_wall'];

// The height used to be dependent on other widget settings
			// If the user changes those settings but doesn't customize the height,
			// let's intelligently assign a new height.
			if ( in_array( $args['height'], array( 580, 110, 432 ) ) ) {
				if ( $args['show_faces'] && $args['stream'] ) {
					$args['height'] = 580;
				} elseif ( ! $args['show_faces'] && ! $args['stream'] ) {
					$args['height'] = 110;
				} else {
					$args['height'] = 432;
				}
			}

return $args;
		}

public function is_valid_facebook_url( $url ) {
			return ( false !== strpos( $url, 'facebook.com' ) ) ? true : false;
		}

public function normalize_int_value( $value, $default = 0, $max = 0, $min = 0 ) {
			$value = (int) $value;

if ( $max < $value || $min > $value ) {
				$value = $default;
			}

return (int) $value;
		}

public function normalize_text_value( $value, $default = '', $allowed = array() ) {
			$allowed = (array) $allowed;

if ( empty( $value ) || ( ! empty( $allowed ) && ! in_array( $value, $allowed ) ) ) {
				$value = $default;
			}

return $value;
		}

public function guess_locale_from_lang( $lang ) {
			if ( 'en' == $lang || 'en_US' == $lang || ! $lang ) {
				return 'en_US';
			}

if ( ! class_exists( 'GP_Locales' ) ) {
				if ( ! defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) || ! file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) {
					return false;
				}

require JETPACK__GLOTPRESS_LOCALES_PATH;
			}

if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
				// WP.com: get_locale() returns 'it'
				$locale = GP_Locales::by_slug( $lang );
			} else {
				// Jetpack: get_locale() returns 'it_IT';
				$locale = GP_Locales::by_field( 'wp_locale', $lang );
			}

if ( ! $locale || empty( $locale->facebook_locale ) ) {
				return false;
			}

return $locale->facebook_locale;
		}

public function get_locale() {
			return $this->guess_locale_from_lang( get_locale() );
		}
	}
}
register_widget( 'Ocean_Extra_Facebook_Widget' );