<?php /** * Holiday Snow * Adds falling snow to a blog starting December 1 and ending January 3. * Not a module that is activated/deactivated * First Introduced: 2.0.3 ?? * Requires Connection: No * Auto Activate: Yes */ class Jetpack_Holiday_Snow_Settings { function __construct() { add_filter( 'admin_init' , array( &$this , 'register_fields' ) ); } public function register_fields() { register_setting( 'general', jetpack_holiday_snow_option_name(), 'esc_attr' ); add_settings_field( jetpack_holiday_snow_option_name(), '<label for="' . esc_attr( jetpack_holiday_snow_option_name() ) . '">' . __( 'Snow' , 'jetpack') . '</label>' , array( &$this, 'blog_field_html' ) , 'general' ); add_action( 'update_option_' . jetpack_holiday_snow_option_name(), array( &$this, 'holiday_snow_option_updated' ) ); } public function blog_field_html() { $id = esc_attr( jetpack_holiday_snow_option_name() ); ?> <label for="<?php echo $id; ?>"> <input type="checkbox" name="<?php echo $id; ?>" id="<?php echo $id; ?>" value="letitsnow"<?php checked( get_option( jetpack_holiday_snow_option_name() ), 'letitsnow' ); ?> /> <span><?php _e( 'Show falling snow on my blog until January 4<sup>th</sup>.' , 'jetpack'); ?></span> </label> <?php } public function holiday_snow_option_updated() { /** * Fires when the holiday snow option is updated. * * @module theme-tools * * @since 2.0.3 */ do_action( 'jetpack_holiday_snow_option_updated' ); } } function jetpack_holiday_snow_script() { /** * Allow holiday snow. * * Note: there's no actual randomness involved in whether it snows * or not, despite the filter mentioning a "chance of snow." * * @module theme-tools * * @since 2.0.3 * * @param bool True to allow snow, false to disable it. */ if ( ! apply_filters( 'jetpack_holiday_chance_of_snow', true ) ) return; /** * Fires when it's snowing. * * @module theme-tools * * @since 2.0.3 */ do_action( 'jetpack_holiday_snowing' ); /** * Filter the holiday snow JavaScript URL. * * @module theme-tools * * @since 2.0.3 * * @param str URL to the holiday snow JavaScript file. */ $snowstorm_url = apply_filters( 'jetpack_holiday_snow_js_url', plugins_url( 'holiday-snow/snowstorm.js', __FILE__ ) ); wp_enqueue_script( 'snowstorm', $snowstorm_url, array(), '1.43.20111201' ); } function jetpack_maybe_holiday_snow() { if ( ! jetpack_is_holiday_snow_season() ) return; if ( is_admin() ) { global $jetpack_holiday_snow; $jetpack_holiday_snow = new Jetpack_Holiday_Snow_Settings(); } elseif ( get_option( jetpack_holiday_snow_option_name() ) ) { add_action( 'init', 'jetpack_holiday_snow_script' ); } } function jetpack_holiday_snow_option_name() { /** * Filter the holiday snow option name. * * @module theme-tools * * @since 2.0.3 * * @param str The holiday snow option name. */ return apply_filters( 'jetpack_holiday_snow_option_name', 'jetpack_holiday_snow_enabled' ); } function jetpack_is_holiday_snow_season() { $today = time(); $first_snow_day = mktime( 0, 0, 0, 12, 1 ); $last_snow_day = mktime( 0, 0, 0, 1, 4 ); $snow = ( $today >= $first_snow_day || $today < $last_snow_day ); /** * Filter whether it's winter or not. * * You can use this filter if, for example, you live in the * Southern Hemisphere. In that case, the dates for winter * above are incorrect for your location. * * @module theme-tools * * @since 2.1.0 * * @param bool $snow True if it's snow season, false if not. */ return apply_filters( 'jetpack_is_holiday_snow_season', $snow ); } jetpack_maybe_holiday_snow();