array( 'default' => false, 'sanitize_callback' => 'wp_validate_boolean' ) ); } /** * Output our custom embed template part. * * @since 2.6.0 */ protected function content() { bp_get_asset_template_part( 'embeds/activity' ); } /** * Check if we're on our single activity page. * * @since 2.6.0 * * @return bool */ protected function is_page() { return bp_is_single_activity(); } /** * Validates the URL to determine if the activity item is valid. * * @since 2.6.0 * * @param string $url The URL to check. * @return int|bool Activity ID on success; boolean false on failure. */ protected function validate_url_to_item_id( $url ) { if ( bp_core_enable_root_profiles() ) { $domain = bp_get_root_domain(); } else { $domain = bp_get_members_directory_permalink(); } // Check the URL to see if this is a single activity URL. if ( is_array( $url ) || 0 !== strpos( $url, $domain ) ) { return false; } // Check for activity slug. if ( false === strpos( $url, '/' . bp_get_activity_slug() . '/' ) ) { return false; } // Do more checks. $url = trim( untrailingslashit( $url ) ); // Grab the activity ID. $activity_id = (int) substr( $url, strrpos( $url, '/' ) + 1 ); if ( ! empty( $activity_id ) ) { // Check if activity item still exists. $activity = new BP_Activity_Activity( $activity_id ); // Okay, we're good to go! if ( ! empty( $activity->component ) && 0 === (int) $activity->is_spam ) { return $activity_id; } } return false; } /** * Sets the oEmbed response data for our activity item. * * @since 2.6.0 * * @param int $item_id The activity ID. * @return array */ protected function set_oembed_response_data( $item_id ) { $activity = new BP_Activity_Activity( $item_id ); return array( 'content' => $activity->content, 'title' => __( 'Activity', 'buddypress' ), 'author_name' => bp_core_get_user_displayname( $activity->user_id ), 'author_url' => bp_core_get_user_domain( $activity->user_id ), // Custom identifier. 'x_buddypress' => 'activity' ); } /** * Sets a custom

for our oEmbed fallback HTML. * * @since 2.6.0 * * @param int $item_id The activity ID. * @return string */ protected function set_fallback_html( $item_id ) { $activity = new BP_Activity_Activity( $item_id ); $mentionname = bp_activity_do_mentions() ? ' (@' . bp_activity_get_user_mentionname( $activity->user_id ) . ')' : ''; $date = date_i18n( get_option( 'date_format' ), strtotime( $activity->date_recorded ) ); // Make sure we can use some activity functions that depend on the loop. $GLOBALS['activities_template'] = new stdClass; $GLOBALS['activities_template']->activity = $activity; // 'wp-embedded-content' CSS class is necessary due to how the embed JS works. $blockquote = sprintf( '
%1$s%2$s %3$s
', bp_activity_get_embed_excerpt( $activity->content ), '- ' . bp_core_get_user_displayname( $activity->user_id ) . $mentionname, '' . $date . '' ); // Clean up. unset( $GLOBALS['activities_template'] ); /** * Filters the fallback HTML used when embedding a BP activity item. * * @since 2.6.0 * * @param string $blockquote Current fallback HTML * @param BP_Activity_Activity $activity Activity object */ return apply_filters( 'bp_activity_embed_fallback_html', $blockquote, $activity ); } /** * Sets a custom title for our oEmbed item. * * @since 2.6.0 * * @param int $item_id The activity ID * @return string */ protected function set_iframe_title( $item_id ) { return __( 'Embedded Activity Item', 'buddypress' ); } /** * Use our custom <iframe> sandbox attribute in our oEmbed response. * * WordPress sets the <iframe> sandbox attribute to 'allow-scripts' regardless * of whatever the oEmbed response is in {@link wp_filter_oembed_result()}. We * need to add back our custom sandbox value so links will work. * * @since 2.6.0 * * @see BP_Activity_Component::modify_iframe() where our custom sandbox value is set. * * @param string $result The oEmbed HTML result. * @param object $data A data object result from an oEmbed provider. * @param string $url The URL of the content to be embedded. * @return string */ public function use_custom_iframe_sandbox_attribute( $result, $data, $url ) { // Make sure we are on a BuddyPress activity oEmbed request. if ( false === isset( $data->x_buddypress ) || 'activity' !== $data->x_buddypress ) { return $result; } // Get unfiltered sandbox attribute from our own oEmbed response. $sandbox_pos = strpos( $data->html, 'sandbox=' ) + 9; $sandbox = substr( $data->html, $sandbox_pos, strpos( $data->html, '"', $sandbox_pos ) - $sandbox_pos ); // Replace only if our sandbox attribute contains 'allow-top-navigation'. if ( false !== strpos( $sandbox, 'allow-top-navigation' ) ) { $result = str_replace( ' sandbox="allow-scripts"', " sandbox=\"{$sandbox}\"", $result ); // Also remove 'security' attribute; this is only used for IE < 10. $result = str_replace( 'security="restricted"', "", $result ); } return $result; } /** * Modify various IFRAME-related items if embeds are allowed. * * HTML modified: * - Add sandbox="allow-top-navigation" attribute. This allows links to work * within the iframe sandbox attribute. * * JS modified: * - Remove IFRAME height restriction of 1000px. Fixes long embed items being * truncated. * * @since 2.6.0 * * @param string $retval Current embed HTML. * @return string */ public function modify_iframe( $retval ) { // Add 'allow-top-navigation' to allow links to be clicked. $retval = str_replace( 'sandbox="', 'sandbox="allow-top-navigation ', $retval ); // See /wp-includes/js/wp-embed.js. if ( SCRIPT_DEBUG ) { // Removes WP's hardcoded IFRAME height restriction. $retval = str_replace( 'height = 1000;', 'height = height;', $retval ); // This is for the WP build minified version. } else { $retval = str_replace( 'g=1e3', 'g=g', $retval ); } return $retval; } /** * Do stuff when our oEmbed activity header template part is loading. * * Currently, removes wpautop() from the bp_activity_action() function. * * @since 2.6.0 * * @param string $slug Template part slug requested. * @param string $name Template part name requested. */ public function on_activity_header( $slug, $name ) { if ( false === $this->is_page() || 'activity' !== $name ) { return; } remove_filter( 'bp_get_activity_action', 'wpautop' ); } /** * Prints the markup for the activity embed comments button. * * Basically a copy of {@link print_embed_comments_button()}, but modified for * the BP activity component. * * @since 2.6.0 */ public function embed_comments_button() { if ( ! did_action( 'bp_embed_content' ) || ! bp_is_single_activity() ) { return; } // Make sure our custom permalink shows up in the 'WordPress Embed' block. add_filter( 'the_permalink', array( $this, 'filter_embed_url' ) ); // Only show comment bubble if we have some activity comments. $count = bp_activity_get_comment_count(); if ( empty( $count ) ) { return; } ?> <div class="wp-embed-comments"> <a href="<?php bp_activity_thread_permalink(); ?>"> <span class="dashicons dashicons-admin-comments"></span> <?php printf( _n( /* translators: accessibility text */ '%s <span class="screen-reader-text">Comment</span>', /* translators: accessibility text */ '%s <span class="screen-reader-text">Comments</span>', $count, 'buddypress' ), number_format_i18n( $count ) ); ?> </a> </div> <?php } }