Current File : /var/www/projetos/stb.ind.br/wp-content/plugins/webp-express/lib/classes/AlterHtmlInit.php
<?php
namespace WebPExpress;
use AlterHtmlHelper;
use \WebPExpress\Option;
class AlterHtmlInit
{
public static $options = null;
public static function startOutputBuffer()
{
if (!is_admin() || (function_exists("wp_doing_ajax") && wp_doing_ajax()) || (defined( 'DOING_AJAX' ) && DOING_AJAX)) {
// note: "self::alterHtml" does for some reason not work on hhvm (#226)
ob_start('\\WebPExpress\\AlterHtmlInit::alterHtml');
}
}
public static function alterHtml($content)
{
// Don't do anything with the RSS feed.
if (is_feed()) {
return $content;
}
if (is_admin()) {
return $content;
}
// Exit if it doesn't look like HTML (see #228)
if (!preg_match("#^\\s*<#", $content)) {
return $content;
}
if (Option::getOption('webp-express-alter-html-replacement') == 'picture') {
if(function_exists('is_amp_endpoint') && is_amp_endpoint()) {
//for AMP pages the <picture> tag is not allowed
return $content;
}
}
if (!isset(self::$options)) {
self::$options = json_decode(Option::getOption('webp-express-alter-html-options', null), true);
//AlterHtmlHelper::$options = self::$options;
}
if (self::$options == null) {
return $content;
}
if (Option::getOption('webp-express-alter-html-replacement') == 'picture') {
require_once __DIR__ . "/../../vendor/autoload.php";
require_once __DIR__ . '/AlterHtmlHelper.php';
require_once __DIR__ . '/AlterHtmlPicture.php';
return \WebPExpress\AlterHtmlPicture::replace($content);
} else {
require_once __DIR__ . "/../../vendor/autoload.php";
require_once __DIR__ . '/AlterHtmlHelper.php';
require_once __DIR__ . '/AlterHtmlImageUrls.php';
return \WebPExpress\AlterHtmlImageUrls::replace($content);
}
}
public static function addPictureFillJs()
{
// Don't do anything with the RSS feed.
// - and no need for PictureJs in the admin
if ( is_feed() || is_admin() ) { return; }
echo '<script>'
. 'document.createElement( "picture" );'
. 'if(!window.HTMLPictureElement && document.addEventListener) {'
. 'window.addEventListener("DOMContentLoaded", function() {'
. 'var s = document.createElement("script");'
. 's.src = "' . plugins_url('/js/picturefill.min.js', WEBPEXPRESS_PLUGIN) . '";'
. 'document.body.appendChild(s);'
. '});'
. '}'
. '</script>';
}
public static function sidebarBeforeAlterHtml()
{
ob_start();
}
public static function sidebarAfterAlterHtml()
{
$content = ob_get_clean();
echo self::alterHtml($content);
unset($content);
}
public static function setHooks() {
if (Option::getOption('webp-express-alter-html-add-picturefill-js')) {
add_action( 'wp_head', '\\WebPExpress\\AlterHtmlInit::addPictureFillJs');
}
if (Option::getOption('webp-express-alter-html-hooks', 'ob') == 'ob') {
/* TODO:
Which hook should we use, and should we make it optional?
- Cache enabler uses 'template_redirect'
- ShortPixes uses 'init'
We go with template_redirect now, because it is the "innermost".
This lowers the risk of problems with plugins used rewriting URLs to point to CDN.
(We need to process the output *before* the other plugin has rewritten the URLs,
if the "Only for webps that exists" feature is enabled)
*/
add_action( 'init', '\\WebPExpress\\AlterHtmlInit::startOutputBuffer', 1 );
add_action( 'template_redirect', '\\WebPExpress\\AlterHtmlInit::startOutputBuffer', 10000 );
} else {
add_filter( 'the_content', '\\WebPExpress\\AlterHtmlInit::alterHtml', 99999 ); // priority big, so it will be executed last
add_filter( 'the_excerpt', '\\WebPExpress\\AlterHtmlInit::alterHtml', 99999 );
add_filter( 'post_thumbnail_html', '\\WebPExpress\\AlterHtmlInit::alterHtml', 99999);
add_filter( 'woocommerce_product_get_image', '\\WebPExpress\\AlterHtmlInit::alterHtml', 99999 );
add_filter( 'get_avatar', '\\WebPExpress\\AlterHtmlInit::alterHtml', 99999 );
add_filter( 'acf_the_content', '\\WebPExpress\\AlterHtmlInit::alterHtml', 99999 );
add_action( 'dynamic_sidebar_before', '\\WebPExpress\\AlterHtmlInit::sidebarBeforeAlterHtml', 0 );
add_action( 'dynamic_sidebar_after', '\\WebPExpress\\AlterHtmlInit::sidebarAfterAlterHtml', 1000 );
/*
TODO:
check out these hooks (used by Jetpack, in class.photon.php)
// Images in post content and galleries
add_filter( 'the_content', array( __CLASS__, 'filter_the_content' ), 999999 );
add_filter( 'get_post_galleries', array( __CLASS__, 'filter_the_galleries' ), 999999 );
add_filter( 'widget_media_image_instance', array( __CLASS__, 'filter_the_image_widget' ), 999999 );
// Core image retrieval
add_filter( 'image_downsize', array( $this, 'filter_image_downsize' ), 10, 3 );
add_filter( 'rest_request_before_callbacks', array( $this, 'should_rest_photon_image_downsize' ), 10, 3 );
add_filter( 'rest_request_after_callbacks', array( $this, 'cleanup_rest_photon_image_downsize' ) );
// Responsive image srcset substitution
add_filter( 'wp_calculate_image_srcset', array( $this, 'filter_srcset_array' ), 10, 5 );
add_filter( 'wp_calculate_image_sizes', array( $this, 'filter_sizes' ), 1, 2 ); // Early so themes can still easily filter.
// Helpers for maniuplated images
add_action( 'wp_enqueue_scripts', array( $this, 'action_wp_enqueue_scripts' ), 9 );
*/
}
}
}
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