autoptimize / classes / autoptimizeToolbar.php

autoptimizeToolbar.php in Autoptimize 3.0.3, at classes/autoptimizeToolbar.php

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1	<?php
2	/**
3	* Handles toolbar-related stuff.
4	*/
5
6	if ( ! defined( 'ABSPATH' ) ) {
7	exit;
8	}
9
10	class autoptimizeToolbar
11	{
12	public function __construct()
13	{
14	// If Cache is not available we don't add the toolbar.
15	if ( ! autoptimizeCache::cacheavail() ) {
16	return;
17	}
18
19	// Load admin toolbar feature once WordPress, all plugins, and the theme are fully loaded and instantiated.
20	if ( is_admin() ) {
21	add_action( 'wp_loaded', array( $this, 'load_toolbar' ) );
22	} else {
23	// to avoid AMP complaining about the AMP conditional being checked too early.
24	add_action( 'wp', array( $this, 'load_toolbar' ) );
25	}
26	}
27
28	public function load_toolbar()
29	{
30	// Check permissions and that toolbar is not hidden via filter.
31	if ( current_user_can( 'manage_options' ) && apply_filters( 'autoptimize_filter_toolbar_show', true ) && ! autoptimizeMain::is_amp_markup('') ) {
32
33	// Create a handler for the AJAX toolbar requests.
34	add_action( 'wp_ajax_autoptimize_delete_cache', array( $this, 'delete_cache' ) );
35
36	// Load custom styles, scripts and menu only when needed.
37	if ( is_admin_bar_showing() ) {
38	if ( is_admin() ) {
39	add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
40	} else {
41	add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
42	}
43
44	// Add the Autoptimize Toolbar to the Admin bar.
45	add_action( 'admin_bar_menu', array( $this, 'add_toolbar' ), 100 );
46	}
47	}
48	}
49
50	public function add_toolbar()
51	{
52	global $wp_admin_bar;
53
54	// Retrieve the Autoptimize Cache Stats information.
55	$stats = autoptimizeCache::stats();
56
57	// Set the Max Size recommended for cache files.
58	$max_size = apply_filters( 'autoptimize_filter_cachecheck_maxsize', 512 * 1024 * 1024 );
59
60	// Retrieve the current Total Files in cache.
61	$files = $stats[0];
62	// Retrieve the current Total Size of the cache.
63	$bytes = $stats[1];
64	$size = $this->format_filesize( $bytes );
65
66	// Calculate the percentage of cache used.
67	$percentage = ceil( $bytes / $max_size * 100 );
68	if ( $percentage > 100 ) {
69	$percentage = 100;
70	}
71
72	/**
73	* We define the type of color indicator for the current state of cache size:
74	* - "green" if the size is less than 80% of the total recommended.
75	* - "orange" if over 80%.
76	* - "red" if over 100%.
77	*/
78	$color = ( 100 == $percentage ) ? 'red' : ( ( $percentage > 80 ) ? 'orange' : 'green' );
79
80	// Create or add new items into the Admin Toolbar.
81	// Main "Autoptimize" node.
82	$_my_name = apply_filters( 'autoptimize_filter_settings_is_pro', false ) ? __( 'Autoptimize Pro', 'autoptimize' ) : __( 'Autoptimize', 'autoptimize' );
83	$wp_admin_bar->add_node( array(
84	'id' => 'autoptimize',
85	'title' => '<span class="ab-icon"></span><span class="ab-label">' . $_my_name . '</span>',
86	'href' => admin_url( 'options-general.php?page=autoptimize' ),
87	'meta' => array( 'class' => 'bullet-' . $color ),
88	));
89
90	// "Cache Info" node.
91	$wp_admin_bar->add_node( array(
92	'id' => 'autoptimize-cache-info',
93	'title' => '<p>' . __( 'CSS/ JS Cache Info', 'autoptimize' ) . '</p>' .
94	'<div class="autoptimize-radial-bar" percentage="' . $percentage . '">' .
95	'<div class="autoptimize-circle">' .
96	'<div class="mask full"><div class="fill bg-' . $color . '"></div></div>' .
97	'<div class="mask half"><div class="fill bg-' . $color . '"></div></div>' .
98	'<div class="shadow"></div>' .
99	'</div>' .
100	'<div class="inset"><div class="percentage"><div class="numbers ' . $color . '">' . $percentage . '%</div></div></div>' .
101	'</div>' .
102	'<table>' .
103	'<tr><td>' . __( 'Size', 'autoptimize' ) . ':</td><td class="size ' . $color . '">' . $size . '</td></tr>' .
104	'<tr><td>' . __( 'Files', 'autoptimize' ) . ':</td><td class="files white">' . $files . '</td></tr>' .
105	'</table>',
106	'parent' => 'autoptimize',
107	));
108
109	// "Delete Cache" node.
110	$wp_admin_bar->add_node( array(
111	'id' => 'autoptimize-delete-cache',
112	'title' => __( 'Clear CSS/ JS Cache', 'autoptimize' ),
113	'parent' => 'autoptimize',
114	));
115	}
116
117	public function delete_cache()
118	{
119	check_ajax_referer( 'ao_delcache_nonce', 'nonce' );
120
121	$result = false;
122	if ( current_user_can( 'manage_options' ) ) {
123	// We call the function for cleaning the Autoptimize cache.
124	$result = autoptimizeCache::clearall();
125	}
126
127	wp_send_json( $result );
128	}
129
130	public function enqueue_scripts()
131	{
132	// Autoptimize Toolbar Styles.
133	wp_enqueue_style( 'autoptimize-toolbar', plugins_url( '/static/toolbar.css', __FILE__ ), array(), AUTOPTIMIZE_PLUGIN_VERSION, 'all' );
134
135	// Autoptimize Toolbar Javascript.
136	wp_enqueue_script( 'autoptimize-toolbar', plugins_url( '/static/toolbar.js', __FILE__ ), array( 'jquery' ), AUTOPTIMIZE_PLUGIN_VERSION, true );
137
138	// Localizes a registered script with data for a JavaScript variable.
139	// Needed for the AJAX to work properly on the frontend.
140	wp_localize_script( 'autoptimize-toolbar', 'autoptimize_ajax_object', array(
141	'ajaxurl' => admin_url( 'admin-ajax.php' ),
142	// translators: links to the Autoptimize settings page.
143	'error_msg' => sprintf( __( 'Your Autoptimize cache might not have been purged successfully, please check on the <a href=%s>Autoptimize settings page</a>.', 'autoptimize' ), admin_url( 'options-general.php?page=autoptimize' ) . ' style="white-space:nowrap;"' ),
144	'dismiss_msg' => __( 'Dismiss this notice.' ),
145	'nonce' => wp_create_nonce( 'ao_delcache_nonce' ),
146	) );
147	}
148
149	public function format_filesize( $bytes, $decimals = 2 )
150	{
151	$units = array( 'B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB' );
152
153	for ( $i = 0; ( $bytes / 1024) > 0.9; $i++, $bytes /= 1024 ) {} // @codingStandardsIgnoreLine
154
155	return sprintf( "%1.{$decimals}f %s", round( $bytes, $decimals ), $units[ $i ] );
156	}
157	}
158