options = get_option( 'aiwp_settings', array() ); // if admin area, get instance of admin class if ( is_admin() ) { Appear_In_WP_Admin::get_instance(); } // else, check for shortcode presence and respond accordingly else { add_action( 'template_redirect', array( $this, 'respond_to_shortcode' ) ); } // add the shortcode add_shortcode( 'appear_in', array( $this, 'display_shortcode' ) ); } // end __construct /*---------------------------------------------------------------------------------* * Public Functions *---------------------------------------------------------------------------------*/ /** * Return an instance of this class. * * @since 1.0 * * @return object A single instance of this class. */ public static function get_instance() { // if the single instance hasn't been set, set it now. if ( null == self::$instance ) { self::$instance = new self; } // end if return self::$instance; } // end get_instance /** * Check for shortcode and enqueue scripts if shortcode is present. * * @since 1.0 */ public function respond_to_shortcode() { // get post object global $post; // get post object $post_obj = get_post( $post->ID ); // check if shortcode is present in post content if ( stripos( $post_obj->post_content, '[appear_in' ) !== FALSE ) { // call to enqueue scripts and styles needed for shortcode add_action( 'wp_enqueue_scripts', array( $this, 'add_stylesheets_and_javascript' ) ); } // end if } // end respond_to_shortcode /** * Registers the front-end stylesheets and scripts * * @since 1.0 */ public function add_stylesheets_and_javascript() { // enqueue stylesheet wp_enqueue_style( 'aiwp-style', AIWP_DIR_URL . 'aiwp.css', array(), AIWP_VERSION, 'screen' ); // enqueue jquery on front-end wp_enqueue_script( 'jquery' ); // enqueue appear-in API library wp_enqueue_script( 'appearin-library', 'http://iswebrtcready.appear.in/apiv2.js', array(), AIWP_VERSION ); // enqueue script for handling local interaction wp_enqueue_script( 'aiwp', AIWP_DIR_URL . 'aiwp.js', array(), AIWP_VERSION ); } // end add_stylesheets_and_javascript /** * Returns the shortcode content * * @since 1.0 * * @return string HTML content displayed by shortcode. */ public function display_shortcode( $atts, $content = '' ) { // extract the shortcode parameters extract( shortcode_atts( array( 'room' => '', 'type' => 'public', ), $atts ) ); // push the shortcode defined rooom types to an array $aiwp_room_types = explode( ',', str_replace( ' ', '', $type ) ); // get public room name from shortcode, otherwise from custom options, otherwise from plugins randomly assigned & daily dynamic name if ( '' != $room ) { $custom_room_name = $room; } elseif ( isset( $this->options['room'] ) && '' != $this->options['room'] ) { $custom_room_name = $this->options['room']; } else { $custom_room_name = get_option( 'aiwp_public_room' ); } // build room selection wrapper // add styling for iconset $text_color = $this->is_color_light( $this->options['color'] ) ? 'black' : 'white'; $html = ''; $html .= '
'; foreach ( $aiwp_room_types as $room_type ) { $room_button_text = isset( $atts[ $room_type . '_room_button' ] ) ? $atts[ $room_type . '_room_button' ] : ucfirst( $room_type ) . ' Room'; // display room buttons $html .= '
'; $html .= ''; $html .= '
'; } $html .= '
'; // build compatibility test result $html .= ''; // include appearin iframe populated by API $html .= ''; if ( AIWP_SHOW_INVITE ) { $html .= ''; } $html .= '
'; $html .= '
'; $html .= '
'; $html .= '
'; return $html; } // end display_shortcode /** * Change the brightness of the passed in color * * $diff should be negative to go darker, positive to go lighter and * is subtracted from the decimal (0-255) value of the color * * @param string $hex color to be modified * @param string $diff amount to change the color * @return string hex color */ public function hex_color_mod($hex, $diff) { $rgb = str_split(trim($hex, '# '), 2); foreach ($rgb as &$hex) { $dec = hexdec($hex); if ($diff >= 0) { $dec += $diff; } else { $dec -= abs($diff); } $dec = max(0, min(255, $dec)); $hex = str_pad(dechex($dec), 2, '0', STR_PAD_LEFT); } return '#'.implode($rgb); } /** * Returns whether or not given color is considered "light" * @param string|Boolean $color * @return boolean * @link https://github.com/mexitek/phpColors */ public function is_color_light( $color = FALSE ) { // Get our color $color = ($color) ? $color : $this->_hex; // Calculate straight from rbg $r = hexdec($color[0].$color[1]); $g = hexdec($color[2].$color[3]); $b = hexdec($color[4].$color[5]); return (( $r*299 + $g*587 + $b*114 )/1000 > 130); } } // end class /** * Call to include room form */ function aiwp_include( $args ) { $aiwp_defaults = array( 'room' => '', 'type' => 'public', ); $args = wp_parse_args( $args, $aiwp_defaults ); $shortcode = '[appear_in '; foreach ( $args as $parameter => $value ) { if ( ! empty( $value ) && ! is_null( $value ) ) { $shortcode .= $parameter . '="' . $value . '" '; } } $shortcode .= ']'; Appear_In_WP::add_stylesheets_and_javascript(); echo do_shortcode( $shortcode ); } /** * Create a random room code */ function aiwp_random_room() { // predefine the alphabet used $aiwp_alphabet = 'qwertyuiopasdfghjklzxcvbnm1234567890'; // set the length of the string $aiwp_stringLength = 30; // initialize the room name as an empty string $aiwp_randomString = ''; // select and add 30 random character to the string for ( $i=0; $i<$aiwp_stringLength; $i++) { $aiwp_character = $aiwp_alphabet[ round( ( rand(0,100)/100 )*(strlen($aiwp_alphabet)-1) ) ]; $aiwp_randomString .= $aiwp_character; } // end for // return the result return $aiwp_randomString; } /** * Creates a new room code and saves to db */ function aiwp_expire_room() { $aiwp_room = aiwp_random_room(); update_option( 'aiwp_public_room', $aiwp_room ); } // Hook function to expireroom cron event (found in admin class) add_action( 'expireroom', 'aiwp_expire_room' ); ?>