autoptimize / classes / autoptimizeToolbar.php

autoptimizeToolbar.php in Autoptimize 2.4.1, 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	add_action( 'wp_loaded', array( $this, 'load_toolbar' ) );
21	}
22
23	public function load_toolbar()
24	{
25	// Check permissions and that toolbar is not hidden via filter.
26	if ( current_user_can( 'manage_options' ) && apply_filters( 'autoptimize_filter_toolbar_show', true ) ) {
27
28	// Create a handler for the AJAX toolbar requests.
29	add_action( 'wp_ajax_autoptimize_delete_cache', array( $this, 'delete_cache' ) );
30
31	// Load custom styles, scripts and menu only when needed.
32	if ( is_admin_bar_showing() ) {
33	if ( is_admin() ) {
34	add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
35	} else {
36	add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
37	}
38
39	// Add the Autoptimize Toolbar to the Admin bar.
40	add_action( 'admin_bar_menu', array( $this, 'add_toolbar' ), 100 );
41	}
42	}
43	}
44
45	public function add_toolbar()
46	{
47	global $wp_admin_bar;
48
49	// Retrieve the Autoptimize Cache Stats information.
50	$stats = autoptimizeCache::stats();
51
52	// Set the Max Size recommended for cache files.
53	$max_size = apply_filters( 'autoptimize_filter_cachecheck_maxsize', 512 * 1024 * 1024 );
54
55	// Retrieve the current Total Files in cache.
56	$files = $stats[0];
57	// Retrieve the current Total Size of the cache.
58	$bytes = $stats[1];
59	$size = $this->format_filesize( $bytes );
60
61	// Calculate the percentage of cache used.
62	$percentage = ceil( $bytes / $max_size * 100 );
63	if ( $percentage > 100 ) {
64	$percentage = 100;
65	}
66
67	/**
68	* We define the type of color indicator for the current state of cache size:
69	* - "green" if the size is less than 80% of the total recommended.
70	* - "orange" if over 80%.
71	* - "red" if over 100%.
72	*/
73	$color = ( 100 == $percentage ) ? 'red' : ( ( $percentage > 80 ) ? 'orange' : 'green' );
74
75	// Create or add new items into the Admin Toolbar.
76	// Main "Autoptimize" node.
77	$wp_admin_bar->add_node( array(
78	'id' => 'autoptimize',
79	'title' => '<span class="ab-icon"></span><span class="ab-label">' . __( 'Autoptimize', 'autoptimize' ) . '</span>',
80	'href' => admin_url( 'options-general.php?page=autoptimize' ),
81	'meta' => array( 'class' => 'bullet-' . $color ),
82	));
83
84	// "Cache Info" node.
85	$wp_admin_bar->add_node( array(
86	'id' => 'autoptimize-cache-info',
87	'title' => '<p>' . __( 'Cache Info', 'autoptimize' ) . '</p>' .
88	'<div class="autoptimize-radial-bar" percentage="' . $percentage . '">' .
89	'<div class="autoptimize-circle">' .
90	'<div class="mask full"><div class="fill bg-' . $color . '"></div></div>' .
91	'<div class="mask half"><div class="fill bg-' . $color . '"></div></div>' .
92	'<div class="shadow"></div>' .
93	'</div>' .
94	'<div class="inset"><div class="percentage"><div class="numbers ' . $color . '">' . $percentage . '%</div></div></div>' .
95	'</div>' .
96	'<table>' .
97	'<tr><td>' . __( 'Size', 'autoptimize' ) . ':</td><td class="size ' . $color . '">' . $size . '</td></tr>' .
98	'<tr><td>' . __( 'Files', 'autoptimize' ) . ':</td><td class="files white">' . $files . '</td></tr>' .
99	'</table>',
100	'parent' => 'autoptimize',
101	));
102
103	// "Delete Cache" node.
104	$wp_admin_bar->add_node( array(
105	'id' => 'autoptimize-delete-cache',
106	'title' => __( 'Delete Cache', 'autoptimize' ),
107	'parent' => 'autoptimize',
108	));
109	}
110
111	public function delete_cache()
112	{
113	check_ajax_referer( 'ao_delcache_nonce', 'nonce' );
114
115	$result = false;
116	if ( current_user_can( 'manage_options' ) ) {
117	// We call the function for cleaning the Autoptimize cache.
118	$result = autoptimizeCache::clearall();
119	}
120
121	wp_send_json( $result );
122	}
123
124	public function enqueue_scripts()
125	{
126	// Autoptimize Toolbar Styles.
127	wp_enqueue_style( 'autoptimize-toolbar', plugins_url( '/static/toolbar.css', __FILE__ ), array(), AUTOPTIMIZE_PLUGIN_VERSION, 'all' );
128
129	// Autoptimize Toolbar Javascript.
130	wp_enqueue_script( 'autoptimize-toolbar', plugins_url( '/static/toolbar.js', __FILE__ ), array( 'jquery' ), AUTOPTIMIZE_PLUGIN_VERSION, true );
131
132	// Localizes a registered script with data for a JavaScript variable.
133	// Needed for the AJAX to work properly on the frontend.
134	wp_localize_script( 'autoptimize-toolbar', 'autoptimize_ajax_object', array(
135	'ajaxurl' => admin_url( 'admin-ajax.php' ),
136	'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;"' ),
137	'dismiss_msg' => __( 'Dismiss this notice.' ),
138	'nonce' => wp_create_nonce( 'ao_delcache_nonce' ),
139	) );
140	}
141
142	public function format_filesize( $bytes, $decimals = 2 )
143	{
144	$units = array( 'B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB' );
145
146	for ( $i = 0; ( $bytes / 1024) > 0.9; $i++, $bytes /= 1024 ) {} // @codingStandardsIgnoreLine
147
148	return sprintf( "%1.{$decimals}f %s", round( $bytes, $decimals ), $units[ $i ] );
149	}
150	}
151