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Omphaloskepsis/plugins/jetpack/modules/holiday-snow.php

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2018-03-21 18:19:20 +00:00
<?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();