<?php
/**
* Handles toolbar-related stuff.
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
class autoptimizeToolbar
{
public function __construct()
{
// If Cache is not available we don't add the toolbar.
if ( ! autoptimizeCache::cacheavail() ) {
return;
}
// Load admin toolbar feature once WordPress, all plugins, and the theme are fully loaded and instantiated.
if ( is_admin() ) {
add_action( 'wp_loaded', array( $this, 'load_toolbar' ) );
} else {
// to avoid AMP complaining about the AMP conditional being checked too early.
add_action( 'wp', array( $this, 'load_toolbar' ) );
}
}
public function load_toolbar()
{
// Check permissions and that toolbar is not hidden via filter.
if ( current_user_can( 'manage_options' ) && apply_filters( 'autoptimize_filter_toolbar_show', true ) && ! autoptimizeMain::is_amp_markup( '' ) ) {
// Create a handler for the AJAX toolbar requests.
add_action( 'wp_ajax_autoptimize_delete_cache', array( $this, 'delete_cache' ) );
// Load custom styles, scripts and menu only when needed.
if ( is_admin_bar_showing() ) {
if ( is_admin() ) {
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
} else {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
}
// Add the Autoptimize Toolbar to the Admin bar.
add_action( 'admin_bar_menu', array( $this, 'add_toolbar' ), 100 );
}
}
}
public function add_toolbar()
{
global $wp_admin_bar;
// Retrieve the Autoptimize Cache Stats information.
$stats = autoptimizeCache::stats();
// Set the Max Size recommended for cache files.
$max_size = apply_filters( 'autoptimize_filter_cachecheck_maxsize', 512 * 1024 * 1024 );
// Retrieve the current Total Files in cache.
$files = $stats[0];
// Retrieve the current Total Size of the cache.
$bytes = $stats[1];
$size = $this->format_filesize( $bytes );
// Calculate the percentage of cache used.
$percentage = ceil( $bytes / $max_size * 100 );
if ( $percentage > 100 ) {
$percentage = 100;
}
/**
* We define the type of color indicator for the current state of cache size:
* - "green" if the size is less than 80% of the total recommended.
* - "orange" if over 80%.
* - "red" if over 100%.
*/
$color = ( 100 == $percentage ) ? 'red' : ( ( $percentage > 80 ) ? 'orange' : 'green' );
// Create or add new items into the Admin Toolbar.
// Main "Autoptimize" node.
$_my_name = apply_filters( 'autoptimize_filter_settings_is_pro', false ) ? esc_html__( 'Autoptimize Pro', 'autoptimize' ) : esc_html__( 'Autoptimize', 'autoptimize' );
$wp_admin_bar->add_node(
array(
'id' => 'autoptimize',
'title' => '<span class="ab-icon"></span><span class="ab-label">' . $_my_name . '</span>',
'href' => admin_url( 'options-general.php?page=autoptimize' ),
'meta' => array( 'class' => 'bullet-' . $color ),
)
);
// "Cache Info" node.
$wp_admin_bar->add_node(
array(
'id' => 'autoptimize-cache-info',
'title' => '<p>' . esc_html__( 'CSS/ JS Cache Info', 'autoptimize' ) . '</p>' .
'<div class="autoptimize-radial-bar" percentage="' . $percentage . '">' .
'<div class="autoptimize-circle">' .
'<div class="mask full"><div class="fill bg-' . $color . '"></div></div>' .
'<div class="mask half"><div class="fill bg-' . $color . '"></div></div>' .
'<div class="shadow"></div>' .
'</div>' .
'<div class="inset"><div class="percentage"><div class="numbers ' . $color . '">' . $percentage . '%</div></div></div>' .
'</div>' .
'<table>' .
'<tr><td>' . esc_html__( 'Size', 'autoptimize' ) . ':</td><td class="size ' . $color . '">' . $size . '</td></tr>' .
'<tr><td>' . esc_html__( 'Files', 'autoptimize' ) . ':</td><td class="files white">' . $files . '</td></tr>' .
'</table>',
'parent' => 'autoptimize',
)
);
// "Delete Cache" node.
$wp_admin_bar->add_node(
array(
'id' => 'autoptimize-delete-cache',
'title' => esc_html__( 'Clear CSS/ JS Cache', 'autoptimize' ),
'parent' => 'autoptimize',
)
);
}
public function delete_cache()
{
check_ajax_referer( 'ao_delcache_nonce', 'nonce' );
$result = false;
if ( current_user_can( 'manage_options' ) ) {
// We call the function for cleaning the Autoptimize cache.
$result = autoptimizeCache::clearall();
}
wp_send_json( $result );
}
public function enqueue_scripts()
{
// Autoptimize Toolbar Styles.
wp_enqueue_style( 'autoptimize-toolbar', plugins_url( '/static/toolbar.min.css', __FILE__ ), array(), AUTOPTIMIZE_PLUGIN_VERSION, 'all' );
// Autoptimize Toolbar Javascript.
wp_enqueue_script( 'autoptimize-toolbar', plugins_url( '/static/toolbar.min.js', __FILE__ ), array( 'jquery' ), AUTOPTIMIZE_PLUGIN_VERSION, true );
// Localizes a registered script with data for a JavaScript variable.
// Needed for the AJAX to work properly on the frontend.
wp_localize_script(
'autoptimize-toolbar',
'autoptimize_ajax_object',
array(
'ajaxurl' => admin_url( 'admin-ajax.php' ),
// translators: links to the Autoptimize settings page.
'error_msg' => sprintf( esc_html__( 'Your Autoptimize cache might not have been purged successfully, please check on the %1$sAutoptimize settings page%2$s.', 'autoptimize' ), '<a href="' . admin_url( 'options-general.php?page=autoptimize' ) . '" style="white-space:nowrap;">', '</a>' ),
'dismiss_msg' => esc_html__( 'Dismiss this notice.' ),
'nonce' => wp_create_nonce( 'ao_delcache_nonce' ),
)
);
}
public function format_filesize( $bytes, $decimals = 2 )
{
$units = array( 'B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB' );
for ( $i = 0; ( $bytes / 1024) > 0.9; $i++, $bytes /= 1024 ) {} // @codingStandardsIgnoreLine
return sprintf( "%1.{$decimals}f %s", round( $bytes, $decimals ), $units[ $i ] );
}
}