/**
* Renders the css for our frontend.
*
* Sets etags to avoid sending not needed data
*/
public function render_css()
{
header('HTTP/1.1 200 OK');
header('Content-Type: text/css', true, 200);
// Aggressive caching to save future requests from the same client.
$etag = '"' . md5(__FILE__ . $_GET[self::GET_VARIBALE_NAME]) . '"';
header('ETag: ' . $etag);
$max_age = 31536000;
header('Expires: ' . gmdate('D, d M Y H:i:s', Ai1ec_Time_Utility::current_time() + $max_age) . ' GMT');
header('Cache-Control: public, max-age=' . $max_age);
if (empty($_SERVER['HTTP_IF_NONE_MATCH']) || $etag !== stripslashes($_SERVER['HTTP_IF_NONE_MATCH'])) {
// compress data if possible
if (Ai1ec_Http_Utility::client_use_gzip()) {
ob_start('ob_gzhandler');
header('Content-Encoding: gzip');
} else {
ob_start();
}
$content = $this->get_compiled_css();
echo $content;
ob_end_flush();
} else {
// Not modified!
status_header(304);
}
// We're done!
ai1ec_stop(0);
}
/**
* Render the javascript for the appropriate page
*
*/
public function render_js()
{
header('HTTP/1.1 200 OK');
header('Content-Type: application/javascript; charset=utf-8', true, 200);
// Aggressive caching to save future requests from the same client.
$etag = '"' . md5(__FILE__ . $_GET[self::LOAD_JS_PARAMETER]) . '"';
header('ETag: ' . $etag);
$max_age = 31536000;
// One Year
header('Expires: ' . gmdate('D, d M Y H:i:s', Ai1ec_Time_Utility::current_time() + $max_age) . ' GMT');
header('Cache-Control: public, max-age=' . $max_age);
if (empty($_SERVER['HTTP_IF_NONE_MATCH']) || $etag !== stripslashes($_SERVER['HTTP_IF_NONE_MATCH'])) {
// compress data if possible
if (Ai1ec_Http_Utility::client_use_gzip()) {
ob_start('ob_gzhandler');
header('Content-Encoding: gzip');
} else {
ob_start();
}
$js_path = AI1EC_ADMIN_THEME_JS_PATH . DIRECTORY_SEPARATOR;
$common_js = '';
$page_to_load = $_GET[self::LOAD_JS_PARAMETER];
if ($_GET[self::IS_BACKEND_PARAMETER] === self::TRUE_PARAM) {
$common_js = file_get_contents($js_path . 'pages/common_backend.js');
} else {
if ($page_to_load === self::EVENT_PAGE_JS || $page_to_load === self::CALENDAR_PAGE_JS || $page_to_load === self::LOAD_ONLY_FRONTEND_SCRIPTS) {
if ($page_to_load === self::LOAD_ONLY_FRONTEND_SCRIPTS && true === self::$frontend_scripts_loaded) {
return;
}
if (false === self::$frontend_scripts_loaded) {
$common_js = file_get_contents($js_path . 'pages/common_frontend.js');
self::$frontend_scripts_loaded = true;
}
}
}
// create the config object for require js
$require_config = $this->create_require_js_config_object();
// load require
$require = file_get_contents($js_path . 'require.js');
// get jquery
$jquery = $this->get_jquery_version_based_on_browser($_SERVER['HTTP_USER_AGENT']);
// load the script for the page
$page_js = '';
if ($page_to_load !== self::LOAD_ONLY_BACKEND_SCRIPTS && $page_to_load !== self::LOAD_ONLY_FRONTEND_SCRIPTS) {
$page_js = file_get_contents($js_path . 'pages/' . $page_to_load);
}
$translation = $this->get_frontend_translation_data();
$permalink = get_permalink($this->settings->calendar_page_id);
$translation['calendar_url'] = $permalink;
$tranlsation_module = $this->create_require_js_module(self::FRONTEND_CONFIG_MODULE, $translation);
$config = $this->create_require_js_module('ai1ec_config', $this->get_translation_data());
echo $require . $require_config . $tranlsation_module . $config . $jquery . $page_js . $common_js;
ob_end_flush();
} else {
// Not modified!
status_header(304);
}
// We're done!
ai1ec_stop(0);
}
