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