/**
* Return singleton instance
*
* @return ICE_Enqueue
*/
public static function instance()
{
if (!self::$instance instanceof self) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Set UI environment
*/
private function setup_ui()
{
// get custom ui stylesheet directive
$ui_stylesheet = $this->scheme->directives()->get(ICE_Scheme::DIRECTIVE_UI_STYLESHEET);
// custom ui stylesheet set?
if ($ui_stylesheet instanceof ICE_Init_Directive) {
ICE_Enqueue::instance()->ui_stylesheet(ICE_Files::theme_file_url($ui_stylesheet->get_theme(), $ui_stylesheet->get_value()));
}
}
/**
* Refresh export files if necessary
*/
public function exports_refresh($force = false)
{
// hard refresh toggle
static $hard_refresh = false;
// export instance depends on which filter is being run
switch (current_filter()) {
// enqueue styles action
case 'ice_enqueue_styles':
// grab the styles exporter
$export = $this->exports()->get('styles');
break;
// enqueue scripts action
// enqueue scripts action
case 'ice_enqueue_scripts':
// grab the scripts exporter
$export = $this->exports()->get('scripts');
break;
// no matching filter... might be a hard refresh
// no matching filter... might be a hard refresh
default:
// force toggled on?
if (true === $force) {
// toggle hard refresh ON
$hard_refresh = true;
// manually call style enqueuer
ICE_Enqueue::instance()->do_enqueue_styles();
// manually call script enqueuer
ICE_Enqueue::instance()->do_enqueue_scripts();
// toggle hard refresh OFF
$hard_refresh = false;
}
// return either way
return;
}
// are we using the cache?
if (true == ICE_CACHE_EXPORTS && false == $hard_refresh) {
// yes, loop all config files
foreach ($this->config_files_loaded as $file) {
// get file last mod time
$mtime = @filemtime($file);
// check if stale
if ($export->stale($mtime)) {
// call export refresher
return $this->export_refresh($export);
}
}
// cache is up to date, did NOT refresh
return false;
}
// update the export
return $this->export_refresh($export);
}
if (!defined('ICE_ERROR_REPORTING')) {
define('ICE_ERROR_REPORTING', INFINITY_ERROR_REPORTING);
}
/**
* Load the ICE lib loader
*/
require_once INFINITY_ICE_PATH . '/loader.php';
// initialize ICE
ICE_Loader::init(INFINITY_ICE_URL);
// setup translation
load_theme_textdomain(INFINITY_TEXT_DOMAIN, WP_LANG_DIR . '/' . INFINITY_SLUG);
// initialize enqueuer and configure actions
if (is_admin()) {
ICE_Enqueue::instance()->styles_on_action('load-appearance_page_' . INFINITY_ADMIN_PAGE)->scripts_on_action('load-appearance_page_' . INFINITY_ADMIN_PAGE);
} else {
ICE_Enqueue::instance()->styles_on_action('wp_enqueue_scripts')->scripts_on_action('wp_enqueue_scripts');
}
// load Infinity API
require_once INFINITY_API_PATH . '/scheme.php';
require_once INFINITY_API_PATH . '/sections.php';
require_once INFINITY_API_PATH . '/options.php';
require_once INFINITY_API_PATH . '/features.php';
require_once INFINITY_API_PATH . '/widgets.php';
require_once INFINITY_API_PATH . '/screens.php';
require_once INFINITY_API_PATH . '/shortcodes.php';
// initialize scheme
infinity_scheme_init();
// initialize components
infinity_sections_init();
infinity_options_init();
infinity_screens_init();