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Diffstat (limited to 'plugins/jetpack/modules/widgets/flickr.php')
| -rw-r--r-- | plugins/jetpack/modules/widgets/flickr.php | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/widgets/flickr.php b/plugins/jetpack/modules/widgets/flickr.php new file mode 100644 index 00000000..a7867612 --- /dev/null +++ b/plugins/jetpack/modules/widgets/flickr.php @@ -0,0 +1,218 @@ +<?php +/** + * Disable direct access/execution to/of the widget code. + */ +if ( ! defined( 'ABSPATH' ) ) { + exit; +} + +if ( ! class_exists( 'Jetpack_Flickr_Widget' ) ) { + /** + * Flickr Widget + * + * Display your recent Flickr photos. + */ + class Jetpack_Flickr_Widget extends WP_Widget { + /** + * Constructor. + */ + function __construct() { + parent::__construct( + 'flickr', + /** This filter is documented in modules/widgets/facebook-likebox.php */ + apply_filters( 'jetpack_widget_name', esc_html__( 'Flickr', 'jetpack' ) ), + array( + 'description' => esc_html__( 'Display your recent Flickr photos.', 'jetpack' ), + 'customize_selective_refresh' => true, + ), + array() + ); + + if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) { + add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) ); + } + } + + /** + * Enqueue style. + */ + function enqueue_style() { + wp_enqueue_style( 'flickr-widget-style', plugins_url( 'flickr/style.css', __FILE__ ), array(), '20170405' ); + } + + /** + * Return an associative array of default values. + * + * These values are used in new widgets. + * + * @return array Default values for the widget options. + */ + public function defaults() { + return array( + 'title' => esc_html__( 'Flickr Photos', 'jetpack' ), + 'items' => 4, + 'flickr_image_size' => 'thumbnail', + 'flickr_rss_url' => '', + ); + } + + /** + * Front-end display of the widget. + * + * @param array $args Widget arguments. + * @param array $instance Saved values from database. + */ + public function widget( $args, $instance ) { + $instance = wp_parse_args( $instance, $this->defaults() ); + + $image_size_string = 'small' == $instance['flickr_image_size'] ? '_m.jpg' : '_t.jpg'; + + if ( ! empty( $instance['flickr_rss_url'] ) ) { + + /* + * Parse the URL, and rebuild a URL that's sure to display images. + * Some Flickr Feeds do not display images by default. + */ + $flickr_parameters = parse_url( htmlspecialchars_decode( $instance['flickr_rss_url'] ) ); + + // Is it a Flickr Feed. + if ( + ! empty( $flickr_parameters['host'] ) + && ! empty( $flickr_parameters['query'] ) + && false !== strpos( $flickr_parameters['host'], 'flickr' ) + ) { + parse_str( $flickr_parameters['query'], $vars ); + + // Do we have an ID in the feed? Let's continue. + if ( isset( $vars['id'] ) ) { + + // Flickr Feeds can be used for groups or for individuals. + if ( + ! empty( $flickr_parameters['path'] ) + && false !== strpos( $flickr_parameters['path'], 'groups' ) + ) { + $feed_url = 'https://api.flickr.com/services/feeds/groups_pool.gne'; + } else { + $feed_url = 'https://api.flickr.com/services/feeds/photos_public.gne'; + } + + // Build our new RSS feed. + $rss_url = sprintf( + '%1$s?id=%2$s&format=rss_200_enc', + esc_url( $feed_url ), + esc_attr( $vars['id'] ) + ); + } + } + } // End if(). + + // Still no RSS feed URL? Get a default feed from Flickr to grab interesting photos. + if ( empty( $rss_url ) ) { + $rss_url = 'https://api.flickr.com/services/feeds/photos_interesting.gne?format=rss_200'; + } + + $rss = fetch_feed( $rss_url ); + + $photos = ''; + if ( ! is_wp_error( $rss ) ) { + foreach ( $rss->get_items( 0, $instance['items'] ) as $photo ) { + switch ( $instance['flickr_image_size'] ) { + case 'thumbnail': + $src = $photo->get_enclosure()->get_thumbnail(); + break; + case 'small': + $src = preg_match( '/src="(.*?)"/i', $photo->get_description(), $p ); + $src = $p[1]; + break; + case 'large': + $src = $photo->get_enclosure()->get_link(); + break; + } + + $photos .= '<a href="' . esc_url( $photo->get_permalink(), array( 'http', 'https' ) ) . '">'; + $photos .= '<img src="' . esc_url( $src, array( 'http', 'https' ) ) . '" '; + $photos .= 'alt="' . esc_attr( $photo->get_title() ) . '" '; + $photos .= 'title="' . esc_attr( $photo->get_title() ) . '" '; + $photos .= ' /></a>'; + } + if ( ! empty( $photos ) && class_exists( 'Jetpack_Photon' ) && Jetpack::is_module_active( 'photon' ) ) { + $photos = Jetpack_Photon::filter_the_content( $photos ); + } + + $flickr_home = $rss->get_link(); + } + + echo $args['before_widget']; + if ( empty( $photos ) ) { + if ( current_user_can( 'edit_theme_options' ) ) { + printf( + '<p>%1$s<br />%2$s</p>', + esc_html__( 'There are no photos to display. Make sure your Flickr feed URL is correct, and that your pictures are publicly accessible.', 'jetpack' ), + esc_html__( '(Only admins can see this message)', 'jetpack' ) + ); + } + } else { + echo $args['before_title'] . esc_html( $instance['title'] ) . $args['after_title']; + require( dirname( __FILE__ ) . '/flickr/widget.php' ); + } + echo $args['after_widget']; + /** This action is already documented in modules/widgets/gravatar-profile.php */ + do_action( 'jetpack_stats_extra', 'widget_view', 'flickr' ); + } + + /** + * Back-end widget form. + * + * @param array $instance Previously saved values from database. + */ + public function form( $instance ) { + $instance = wp_parse_args( $instance, $this->defaults() ); + require( dirname( __FILE__ ) . '/flickr/form.php' ); + } + + /** + * Sanitize widget form values as they are saved. + * + * @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(); + $defaults = $this->defaults(); + + if ( isset( $new_instance['title'] ) ) { + $instance['title'] = wp_kses( $new_instance['title'], array() ); + } + + if ( isset( $new_instance['items'] ) ) { + $instance['items'] = intval( $new_instance['items'] ); + } + + if ( + isset( $new_instance['flickr_image_size'] ) && + in_array( $new_instance['flickr_image_size'], array( 'thumbnail', 'small', 'large' ) ) + ) { + $instance['flickr_image_size'] = $new_instance['flickr_image_size']; + } else { + $instance['flickr_image_size'] = 'thumbnail'; + } + + if ( isset( $new_instance['flickr_rss_url'] ) ) { + $instance['flickr_rss_url'] = esc_url( $new_instance['flickr_rss_url'], array( 'http', 'https' ) ); + + if ( strlen( $instance['flickr_rss_url'] ) < 10 ) { + $instance['flickr_rss_url'] = ''; + } + } + + return $instance; + } + } + + // Register Jetpack_Flickr_Widget widget. + function jetpack_register_flickr_widget() { + register_widget( 'Jetpack_Flickr_Widget' ); + } + add_action( 'widgets_init', 'jetpack_register_flickr_widget' ); +} |