<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>[37406] trunk/src/wp-admin/includes: Upgrader: Copy `WP_Upgrader_Skin` and its subclasses into one file per class.</title>
</head>
<body>

<style type="text/css"><!--
#msg dl.meta { border: 1px #006 solid; background: #369; padding: 6px; color: #fff; }
#msg dl.meta dt { float: left; width: 6em; font-weight: bold; }
#msg dt:after { content:':';}
#msg dl, #msg dt, #msg ul, #msg li, #header, #footer, #logmsg { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt;  }
#msg dl a { font-weight: bold}
#msg dl a:link    { color:#fc3; }
#msg dl a:active  { color:#ff0; }
#msg dl a:visited { color:#cc6; }
h3 { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt; font-weight: bold; }
#msg pre { overflow: auto; background: #ffc; border: 1px #fa0 solid; padding: 6px; }
#logmsg { background: #ffc; border: 1px #fa0 solid; padding: 1em 1em 0 1em; }
#logmsg p, #logmsg pre, #logmsg blockquote { margin: 0 0 1em 0; }
#logmsg p, #logmsg li, #logmsg dt, #logmsg dd { line-height: 14pt; }
#logmsg h1, #logmsg h2, #logmsg h3, #logmsg h4, #logmsg h5, #logmsg h6 { margin: .5em 0; }
#logmsg h1:first-child, #logmsg h2:first-child, #logmsg h3:first-child, #logmsg h4:first-child, #logmsg h5:first-child, #logmsg h6:first-child { margin-top: 0; }
#logmsg ul, #logmsg ol { padding: 0; list-style-position: inside; margin: 0 0 0 1em; }
#logmsg ul { text-indent: -1em; padding-left: 1em; }#logmsg ol { text-indent: -1.5em; padding-left: 1.5em; }
#logmsg > ul, #logmsg > ol { margin: 0 0 1em 0; }
#logmsg pre { background: #eee; padding: 1em; }
#logmsg blockquote { border: 1px solid #fa0; border-left-width: 10px; padding: 1em 1em 0 1em; background: white;}
#logmsg dl { margin: 0; }
#logmsg dt { font-weight: bold; }
#logmsg dd { margin: 0; padding: 0 0 0.5em 0; }
#logmsg dd:before { content:'\00bb';}
#logmsg table { border-spacing: 0px; border-collapse: collapse; border-top: 4px solid #fa0; border-bottom: 1px solid #fa0; background: #fff; }
#logmsg table th { text-align: left; font-weight: normal; padding: 0.2em 0.5em; border-top: 1px dotted #fa0; }
#logmsg table td { text-align: right; border-top: 1px dotted #fa0; padding: 0.2em 0.5em; }
#logmsg table thead th { text-align: center; border-bottom: 1px solid #fa0; }
#logmsg table th.Corner { text-align: left; }
#logmsg hr { border: none 0; border-top: 2px dashed #fa0; height: 1px; }
#header, #footer { color: #fff; background: #636; border: 1px #300 solid; padding: 6px; }
#patch { width: 100%; }
#patch h4 {font-family: verdana,arial,helvetica,sans-serif;font-size:10pt;padding:8px;background:#369;color:#fff;margin:0;}
#patch .propset h4, #patch .binary h4 {margin:0;}
#patch pre {padding:0;line-height:1.2em;margin:0;}
#patch .diff {width:100%;background:#eee;padding: 0 0 10px 0;overflow:auto;}
#patch .propset .diff, #patch .binary .diff  {padding:10px 0;}
#patch span {display:block;padding:0 10px;}
#patch .modfile, #patch .addfile, #patch .delfile, #patch .propset, #patch .binary, #patch .copfile {border:1px solid #ccc;margin:10px 0;}
#patch ins {background:#dfd;text-decoration:none;display:block;padding:0 10px;}
#patch del {background:#fdd;text-decoration:none;display:block;padding:0 10px;}
#patch .lines, .info {color:#888;background:#fff;}
--></style>
<div id="msg">
<dl class="meta" style="font-size: 105%">
<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/37406">37406</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/37406","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>ocean90</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-05-10 11:10:22 +0000 (Tue, 10 May 2016)</dd>
</dl>

<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Upgrader: Copy `WP_Upgrader_Skin` and its subclasses into one file per class.

Part 1/8.
See <a href="https://core.trac.wordpress.org/ticket/36618">#36618</a>.</pre>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludesclassautomaticupgraderskinphp">trunk/src/wp-admin/includes/class-automatic-upgrader-skin.php</a></li>
<li><a href="#trunksrcwpadminincludesclassbulkpluginupgraderskinphp">trunk/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php</a></li>
<li><a href="#trunksrcwpadminincludesclassbulkthemeupgraderskinphp">trunk/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php</a></li>
<li><a href="#trunksrcwpadminincludesclassbulkupgraderskinphp">trunk/src/wp-admin/includes/class-bulk-upgrader-skin.php</a></li>
<li><a href="#trunksrcwpadminincludesclasslanguagepackupgraderskinphp">trunk/src/wp-admin/includes/class-language-pack-upgrader-skin.php</a></li>
<li><a href="#trunksrcwpadminincludesclassplugininstallerskinphp">trunk/src/wp-admin/includes/class-plugin-installer-skin.php</a></li>
<li><a href="#trunksrcwpadminincludesclasspluginupgraderskinphp">trunk/src/wp-admin/includes/class-plugin-upgrader-skin.php</a></li>
<li><a href="#trunksrcwpadminincludesclassthemeinstallerskinphp">trunk/src/wp-admin/includes/class-theme-installer-skin.php</a></li>
<li><a href="#trunksrcwpadminincludesclassthemeupgraderskinphp">trunk/src/wp-admin/includes/class-theme-upgrader-skin.php</a></li>
<li><a href="#trunksrcwpadminincludesclasswpupgraderskinphp">trunk/src/wp-admin/includes/class-wp-upgrader-skin.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadminincludesclassautomaticupgraderskinphpfromrev37383trunksrcwpadminincludesclasswpupgraderskinsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-admin/includes/class-automatic-upgrader-skin.php (from rev 37383, trunk/src/wp-admin/includes/class-wp-upgrader-skins.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-automatic-upgrader-skin.php                             (rev 0)
+++ trunk/src/wp-admin/includes/class-automatic-upgrader-skin.php       2016-05-10 11:10:22 UTC (rev 37406)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,105 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+/**
+ * Upgrader Skin for Automatic WordPress Upgrades
+ *
+ * This skin is designed to be used when no output is intended, all output
+ * is captured and stored for the caller to process and log/email/discard.
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 3.7.0
+ */
+class Automatic_Upgrader_Skin extends WP_Upgrader_Skin {
+       protected $messages = array();
+
+       /**
+        *
+        * @param bool   $error
+        * @param string $context
+        * @param bool   $allow_relaxed_file_ownership
+        * @return bool
+        */
+       public function request_filesystem_credentials( $error = false, $context = '', $allow_relaxed_file_ownership = false ) {
+               if ( $context ) {
+                       $this->options['context'] = $context;
+               }
+               // TODO: fix up request_filesystem_credentials(), or split it, to allow us to request a no-output version
+               // This will output a credentials form in event of failure, We don't want that, so just hide with a buffer
+               ob_start();
+               $result = parent::request_filesystem_credentials( $error, $context, $allow_relaxed_file_ownership );
+               ob_end_clean();
+               return $result;
+       }
+
+       /**
+        * @access public
+        *
+        * @return array
+        */
+       public function get_upgrade_messages() {
+               return $this->messages;
+       }
+
+       /**
+        * @param string|array|WP_Error $data
+        */
+       public function feedback( $data ) {
+               if ( is_wp_error( $data ) ) {
+                       $string = $data->get_error_message();
+               } elseif ( is_array( $data ) ) {
+                       return;
+               } else {
+                       $string = $data;
+               }
+               if ( ! empty( $this->upgrader->strings[ $string ] ) )
+                       $string = $this->upgrader->strings[ $string ];
+
+               if ( strpos( $string, '%' ) !== false ) {
+                       $args = func_get_args();
+                       $args = array_splice( $args, 1 );
+                       if ( ! empty( $args ) )
+                               $string = vsprintf( $string, $args );
+               }
+
+               $string = trim( $string );
+
+               // Only allow basic HTML in the messages, as it'll be used in emails/logs rather than direct browser output.
+               $string = wp_kses( $string, array(
+                       'a' => array(
+                               'href' => true
+                       ),
+                       'br' => true,
+                       'em' => true,
+                       'strong' => true,
+               ) );
+
+               if ( empty( $string ) )
+                       return;
+
+               $this->messages[] = $string;
+       }
+
+       /**
+        * @access public
+        */
+       public function header() {
+               ob_start();
+       }
+
+       /**
+        * @access public
+        */
+       public function footer() {
+               $output = ob_get_clean();
+               if ( ! empty( $output ) )
+                       $this->feedback( $output );
+       }
+}
</ins></span></pre></div>
<a id="trunksrcwpadminincludesclassbulkpluginupgraderskinphpfromrev37383trunksrcwpadminincludesclasswpupgraderskinsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php (from rev 37383, trunk/src/wp-admin/includes/class-wp-upgrader-skins.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php                           (rev 0)
+++ trunk/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php     2016-05-10 11:10:22 UTC (rev 37406)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,60 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+class Bulk_Plugin_Upgrader_Skin extends Bulk_Upgrader_Skin {
+       public $plugin_info = array(); // Plugin_Upgrader::bulk() will fill this in.
+
+       public function add_strings() {
+               parent::add_strings();
+               $this->upgrader->strings['skin_before_update_header'] = __('Updating Plugin %1$s (%2$d/%3$d)');
+       }
+
+       /**
+        *
+        * @param string $title
+        */
+       public function before($title = '') {
+               parent::before($this->plugin_info['Title']);
+       }
+
+       /**
+        *
+        * @param string $title
+        */
+       public function after($title = '') {
+               parent::after($this->plugin_info['Title']);
+               $this->decrement_update_count( 'plugin' );
+       }
+
+       /**
+        * @access public
+        */
+       public function bulk_footer() {
+               parent::bulk_footer();
+               $update_actions =  array(
+                       'plugins_page' => '<a href="' . self_admin_url( 'plugins.php' ) . '" target="_parent">' . __( 'Return to Plugins page' ) . '</a>',
+                       'updates_page' => '<a href="' . self_admin_url( 'update-core.php' ) . '" target="_parent">' . __( 'Return to WordPress Updates page' ) . '</a>'
+               );
+               if ( ! current_user_can( 'activate_plugins' ) )
+                       unset( $update_actions['plugins_page'] );
+
+               /**
+                * Filter the list of action links available following bulk plugin updates.
+                *
+                * @since 3.0.0
+                *
+                * @param array $update_actions Array of plugin action links.
+                * @param array $plugin_info    Array of information for the last-updated plugin.
+                */
+               $update_actions = apply_filters( 'update_bulk_plugins_complete_actions', $update_actions, $this->plugin_info );
+
+               if ( ! empty($update_actions) )
+                       $this->feedback(implode(' | ', (array)$update_actions));
+       }
+}
</ins></span></pre></div>
<a id="trunksrcwpadminincludesclassbulkthemeupgraderskinphpfromrev37383trunksrcwpadminincludesclasswpupgraderskinsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php (from rev 37383, trunk/src/wp-admin/includes/class-wp-upgrader-skins.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php                            (rev 0)
+++ trunk/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php      2016-05-10 11:10:22 UTC (rev 37406)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,60 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin {
+       public $theme_info = array(); // Theme_Upgrader::bulk() will fill this in.
+
+       public function add_strings() {
+               parent::add_strings();
+               $this->upgrader->strings['skin_before_update_header'] = __('Updating Theme %1$s (%2$d/%3$d)');
+       }
+
+       /**
+        *
+        * @param string $title
+        */
+       public function before($title = '') {
+               parent::before( $this->theme_info->display('Name') );
+       }
+
+       /**
+        *
+        * @param string $title
+        */
+       public function after($title = '') {
+               parent::after( $this->theme_info->display('Name') );
+               $this->decrement_update_count( 'theme' );
+       }
+
+       /**
+        * @access public
+        */
+       public function bulk_footer() {
+               parent::bulk_footer();
+               $update_actions =  array(
+                       'themes_page' => '<a href="' . self_admin_url( 'themes.php' ) . '" target="_parent">' . __( 'Return to Themes page' ) . '</a>',
+                       'updates_page' => '<a href="' . self_admin_url( 'update-core.php' ) . '" target="_parent">' . __( 'Return to WordPress Updates page' ) . '</a>'
+               );
+               if ( ! current_user_can( 'switch_themes' ) && ! current_user_can( 'edit_theme_options' ) )
+                       unset( $update_actions['themes_page'] );
+
+               /**
+                * Filter the list of action links available following bulk theme updates.
+                *
+                * @since 3.0.0
+                *
+                * @param array $update_actions Array of theme action links.
+                * @param array $theme_info     Array of information for the last-updated theme.
+                */
+               $update_actions = apply_filters( 'update_bulk_theme_complete_actions', $update_actions, $this->theme_info );
+
+               if ( ! empty($update_actions) )
+                       $this->feedback(implode(' | ', (array)$update_actions));
+       }
+}
</ins></span></pre></div>
<a id="trunksrcwpadminincludesclassbulkupgraderskinphpfromrev37383trunksrcwpadminincludesclasswpupgraderskinsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-admin/includes/class-bulk-upgrader-skin.php (from rev 37383, trunk/src/wp-admin/includes/class-wp-upgrader-skins.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-bulk-upgrader-skin.php                          (rev 0)
+++ trunk/src/wp-admin/includes/class-bulk-upgrader-skin.php    2016-05-10 11:10:22 UTC (rev 37406)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,174 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+/**
+ * Plugin Upgrader Skin for WordPress Plugin Upgrades.
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 3.0.0
+ */
+class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
+       public $in_loop = false;
+       /**
+        * @var string|false
+        */
+       public $error = false;
+
+       /**
+        *
+        * @param array $args
+        */
+       public function __construct($args = array()) {
+               $defaults = array( 'url' => '', 'nonce' => '' );
+               $args = wp_parse_args($args, $defaults);
+
+               parent::__construct($args);
+       }
+
+       /**
+        * @access public
+        */
+       public function add_strings() {
+               $this->upgrader->strings['skin_upgrade_start'] = __('The update process is starting. This process may take a while on some hosts, so please be patient.');
+               /* translators: 1: Title of an update, 2: Error message */
+               $this->upgrader->strings['skin_update_failed_error'] = __('An error occurred while updating %1$s: %2$s');
+               /* translators: 1: Title of an update */
+               $this->upgrader->strings['skin_update_failed'] = __('The update of %1$s failed.');
+               /* translators: 1: Title of an update */
+               $this->upgrader->strings['skin_update_successful'] = __( '%1$s updated successfully.' ) . ' <a onclick="%2$s" href="#" class="hide-if-no-js"><span>' . __( 'Show Details' ) . '</span><span class="hidden">' . __( 'Hide Details' ) . '</span></a>';
+               $this->upgrader->strings['skin_upgrade_end'] = __('All updates have been completed.');
+       }
+
+       /**
+        * @param string $string
+        */
+       public function feedback($string) {
+               if ( isset( $this->upgrader->strings[$string] ) )
+                       $string = $this->upgrader->strings[$string];
+
+               if ( strpos($string, '%') !== false ) {
+                       $args = func_get_args();
+                       $args = array_splice($args, 1);
+                       if ( $args ) {
+                               $args = array_map( 'strip_tags', $args );
+                               $args = array_map( 'esc_html', $args );
+                               $string = vsprintf($string, $args);
+                       }
+               }
+               if ( empty($string) )
+                       return;
+               if ( $this->in_loop )
+                       echo "$string<br />\n";
+               else
+                       echo "<p>$string</p>\n";
+       }
+
+       /**
+        * @access public
+        */
+       public function header() {
+               // Nothing, This will be displayed within a iframe.
+       }
+
+       /**
+        * @access public
+        */
+       public function footer() {
+               // Nothing, This will be displayed within a iframe.
+       }
+
+       /**
+        *
+        * @param string|WP_Error $error
+        */
+       public function error($error) {
+               if ( is_string($error) && isset( $this->upgrader->strings[$error] ) )
+                       $this->error = $this->upgrader->strings[$error];
+
+               if ( is_wp_error($error) ) {
+                       $messages = array();
+                       foreach ( $error->get_error_messages() as $emessage ) {
+                               if ( $error->get_error_data() && is_string( $error->get_error_data() ) )
+                                       $messages[] = $emessage . ' ' . esc_html( strip_tags( $error->get_error_data() ) );
+                               else
+                                       $messages[] = $emessage;
+                       }
+                       $this->error = implode(', ', $messages);
+               }
+               echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').hide();</script>';
+       }
+
+       /**
+        * @access public
+        */
+       public function bulk_header() {
+               $this->feedback('skin_upgrade_start');
+       }
+
+       /**
+        * @access public
+        */
+       public function bulk_footer() {
+               $this->feedback('skin_upgrade_end');
+       }
+
+       /**
+        *
+        * @param string $title
+        */
+       public function before($title = '') {
+               $this->in_loop = true;
+               printf( '<h2>' . $this->upgrader->strings['skin_before_update_header'] . ' <span class="spinner waiting-' . $this->upgrader->update_current . '"></span></h2>', $title, $this->upgrader->update_current, $this->upgrader->update_count );
+               echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').css("display", "inline-block");</script>';
+               echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr($this->upgrader->update_current) . '"><p>';
+               $this->flush_output();
+       }
+
+       /**
+        *
+        * @param string $title
+        */
+       public function after($title = '') {
+               echo '</p></div>';
+               if ( $this->error || ! $this->result ) {
+                       if ( $this->error ) {
+                               echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed_error'], $title, '<strong>' . $this->error . '</strong>' ) . '</p></div>';
+                       } else {
+                               echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed'], $title) . '</p></div>';
+                       }
+
+                       echo '<script type="text/javascript">jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').show();</script>';
+               }
+               if ( $this->result && ! is_wp_error( $this->result ) ) {
+                       if ( ! $this->error )
+                               echo '<div class="updated"><p>' . sprintf($this->upgrader->strings['skin_update_successful'], $title, 'jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').toggle();jQuery(\'span\', this).toggle(); return false;') . '</p></div>';
+                       echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').hide();</script>';
+               }
+
+               $this->reset();
+               $this->flush_output();
+       }
+
+       /**
+        * @access public
+        */
+       public function reset() {
+               $this->in_loop = false;
+               $this->error = false;
+       }
+
+       /**
+        * @access public
+        */
+       public function flush_output() {
+               wp_ob_end_flush_all();
+               flush();
+       }
+}
</ins></span></pre></div>
<a id="trunksrcwpadminincludesclasslanguagepackupgraderskinphpfromrev37383trunksrcwpadminincludesclasswpupgraderskinsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-admin/includes/class-language-pack-upgrader-skin.php (from rev 37383, trunk/src/wp-admin/includes/class-wp-upgrader-skins.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-language-pack-upgrader-skin.php                         (rev 0)
+++ trunk/src/wp-admin/includes/class-language-pack-upgrader-skin.php   2016-05-10 11:10:22 UTC (rev 37406)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,86 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+/**
+ * Translation Upgrader Skin for WordPress Translation Upgrades.
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 3.7.0
+ */
+class Language_Pack_Upgrader_Skin extends WP_Upgrader_Skin {
+       public $language_update = null;
+       public $done_header = false;
+       public $done_footer = false;
+       public $display_footer_actions = true;
+
+       /**
+        *
+        * @param array $args
+        */
+       public function __construct( $args = array() ) {
+               $defaults = array( 'url' => '', 'nonce' => '', 'title' => __( 'Update Translations' ), 'skip_header_footer' => false );
+               $args = wp_parse_args( $args, $defaults );
+               if ( $args['skip_header_footer'] ) {
+                       $this->done_header = true;
+                       $this->done_footer = true;
+                       $this->display_footer_actions = false;
+               }
+               parent::__construct( $args );
+       }
+
+       /**
+        * @access public
+        */
+       public function before() {
+               $name = $this->upgrader->get_name_for_update( $this->language_update );
+
+               echo '<div class="update-messages lp-show-latest">';
+
+               printf( '<h2>' . __( 'Updating translations for %1$s (%2$s)&#8230;' ) . '</h2>', $name, $this->language_update->language );
+       }
+
+       /**
+        *
+        * @param string|WP_Error $error
+        */
+       public function error( $error ) {
+               echo '<div class="lp-error">';
+               parent::error( $error );
+               echo '</div>';
+       }
+
+       /**
+        * @access public
+        */
+       public function after() {
+               echo '</div>';
+       }
+
+       /**
+        * @access public
+        */
+       public function bulk_footer() {
+               $this->decrement_update_count( 'translation' );
+               $update_actions = array();
+               $update_actions['updates_page'] = '<a href="' . self_admin_url( 'update-core.php' ) . '" target="_parent">' . __( 'Return to WordPress Updates page' ) . '</a>';
+
+               /**
+                * Filter the list of action links available following a translations update.
+                *
+                * @since 3.7.0
+                *
+                * @param array $update_actions Array of translations update links.
+                */
+               $update_actions = apply_filters( 'update_translations_complete_actions', $update_actions );
+
+               if ( $update_actions && $this->display_footer_actions )
+                       $this->feedback( implode( ' | ', $update_actions ) );
+       }
+}
</ins></span></pre></div>
<a id="trunksrcwpadminincludesclassplugininstallerskinphpfromrev37383trunksrcwpadminincludesclasswpupgraderskinsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-admin/includes/class-plugin-installer-skin.php (from rev 37383, trunk/src/wp-admin/includes/class-wp-upgrader-skins.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-plugin-installer-skin.php                               (rev 0)
+++ trunk/src/wp-admin/includes/class-plugin-installer-skin.php 2016-05-10 11:10:22 UTC (rev 37406)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,95 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+/**
+ * Plugin Installer Skin for WordPress Plugin Installer.
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+class Plugin_Installer_Skin extends WP_Upgrader_Skin {
+       public $api;
+       public $type;
+
+       /**
+        *
+        * @param array $args
+        */
+       public function __construct($args = array()) {
+               $defaults = array( 'type' => 'web', 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => '' );
+               $args = wp_parse_args($args, $defaults);
+
+               $this->type = $args['type'];
+               $this->api = isset($args['api']) ? $args['api'] : array();
+
+               parent::__construct($args);
+       }
+
+       /**
+        * @access public
+        */
+       public function before() {
+               if ( !empty($this->api) )
+                       $this->upgrader->strings['process_success'] = sprintf( __('Successfully installed the plugin <strong>%s %s</strong>.'), $this->api->name, $this->api->version);
+       }
+
+       /**
+        * @access public
+        */
+       public function after() {
+               $plugin_file = $this->upgrader->plugin_info();
+
+               $install_actions = array();
+
+               $from = isset($_GET['from']) ? wp_unslash( $_GET['from'] ) : 'plugins';
+
+               if ( 'import' == $from )
+                       $install_actions['activate_plugin'] = '<a href="' . wp_nonce_url( 'plugins.php?action=activate&amp;from=import&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ) . '" target="_parent">' . __( 'Activate Plugin &amp; Run Importer' ) . '</a>';
+               else
+                       $install_actions['activate_plugin'] = '<a href="' . wp_nonce_url( 'plugins.php?action=activate&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ) . '" target="_parent">' . __( 'Activate Plugin' ) . '</a>';
+
+               if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) {
+                       $install_actions['network_activate'] = '<a href="' . wp_nonce_url( 'plugins.php?action=activate&amp;networkwide=1&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ) . '" target="_parent">' . __( 'Network Activate' ) . '</a>';
+                       unset( $install_actions['activate_plugin'] );
+               }
+
+               if ( 'import' == $from ) {
+                       $install_actions['importers_page'] = '<a href="' . admin_url( 'import.php' ) . '" target="_parent">' . __( 'Return to Importers' ) . '</a>';
+               } elseif ( $this->type == 'web' ) {
+                       $install_actions['plugins_page'] = '<a href="' . self_admin_url( 'plugin-install.php' ) . '" target="_parent">' . __( 'Return to Plugin Installer' ) . '</a>';
+               } elseif ( 'upload' == $this->type && 'plugins' == $from ) {
+                       $install_actions['plugins_page'] = '<a href="' . self_admin_url( 'plugin-install.php' ) . '">' . __( 'Return to Plugin Installer' ) . '</a>';
+               } else {
+                       $install_actions['plugins_page'] = '<a href="' . self_admin_url( 'plugins.php' ) . '" target="_parent">' . __( 'Return to Plugins page' ) . '</a>';
+               }
+
+               if ( ! $this->result || is_wp_error($this->result) ) {
+                       unset( $install_actions['activate_plugin'], $install_actions['network_activate'] );
+               } elseif ( ! current_user_can( 'activate_plugins' ) ) {
+                       unset( $install_actions['activate_plugin'] );
+               }
+
+               /**
+                * Filter the list of action links available following a single plugin installation.
+                *
+                * @since 2.7.0
+                *
+                * @param array  $install_actions Array of plugin action links.
+                * @param object $api             Object containing WordPress.org API plugin data. Empty
+                *                                for non-API installs, such as when a plugin is installed
+                *                                via upload.
+                * @param string $plugin_file     Path to the plugin file.
+                */
+               $install_actions = apply_filters( 'install_plugin_complete_actions', $install_actions, $this->api, $plugin_file );
+
+               if ( ! empty($install_actions) )
+                       $this->feedback(implode(' | ', (array)$install_actions));
+       }
+}
</ins></span></pre></div>
<a id="trunksrcwpadminincludesclasspluginupgraderskinphpfromrev37383trunksrcwpadminincludesclasswpupgraderskinsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-admin/includes/class-plugin-upgrader-skin.php (from rev 37383, trunk/src/wp-admin/includes/class-wp-upgrader-skins.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-plugin-upgrader-skin.php                                (rev 0)
+++ trunk/src/wp-admin/includes/class-plugin-upgrader-skin.php  2016-05-10 11:10:22 UTC (rev 37406)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,70 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+/**
+ * Plugin Upgrader Skin for WordPress Plugin Upgrades.
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+class Plugin_Upgrader_Skin extends WP_Upgrader_Skin {
+       public $plugin = '';
+       public $plugin_active = false;
+       public $plugin_network_active = false;
+
+       /**
+        *
+        * @param array $args
+        */
+       public function __construct( $args = array() ) {
+               $defaults = array( 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => __('Update Plugin') );
+               $args = wp_parse_args($args, $defaults);
+
+               $this->plugin = $args['plugin'];
+
+               $this->plugin_active = is_plugin_active( $this->plugin );
+               $this->plugin_network_active = is_plugin_active_for_network( $this->plugin );
+
+               parent::__construct($args);
+       }
+
+       /**
+        * @access public
+        */
+       public function after() {
+               $this->plugin = $this->upgrader->plugin_info();
+               if ( !empty($this->plugin) && !is_wp_error($this->result) && $this->plugin_active ){
+                       // Currently used only when JS is off for a single plugin update?
+                       echo '<iframe title="' . esc_attr__( 'Update progress' ) . '" style="border:0;overflow:hidden" width="100%" height="170" src="' . wp_nonce_url( 'update.php?action=activate-plugin&networkwide=' . $this->plugin_network_active . '&plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin ) . '"></iframe>';
+               }
+
+               $this->decrement_update_count( 'plugin' );
+
+               $update_actions =  array(
+                       'activate_plugin' => '<a href="' . wp_nonce_url( 'plugins.php?action=activate&amp;plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin) . '" target="_parent">' . __( 'Activate Plugin' ) . '</a>',
+                       'plugins_page' => '<a href="' . self_admin_url( 'plugins.php' ) . '" target="_parent">' . __( 'Return to Plugins page' ) . '</a>'
+               );
+               if ( $this->plugin_active || ! $this->result || is_wp_error( $this->result ) || ! current_user_can( 'activate_plugins' ) )
+                       unset( $update_actions['activate_plugin'] );
+
+               /**
+                * Filter the list of action links available following a single plugin update.
+                *
+                * @since 2.7.0
+                *
+                * @param array  $update_actions Array of plugin action links.
+                * @param string $plugin         Path to the plugin file.
+                */
+               $update_actions = apply_filters( 'update_plugin_complete_actions', $update_actions, $this->plugin );
+
+               if ( ! empty($update_actions) )
+                       $this->feedback(implode(' | ', (array)$update_actions));
+       }
+}
</ins></span></pre></div>
<a id="trunksrcwpadminincludesclassthemeinstallerskinphpfromrev37383trunksrcwpadminincludesclasswpupgraderskinsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-admin/includes/class-theme-installer-skin.php (from rev 37383, trunk/src/wp-admin/includes/class-wp-upgrader-skins.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-theme-installer-skin.php                                (rev 0)
+++ trunk/src/wp-admin/includes/class-theme-installer-skin.php  2016-05-10 11:10:22 UTC (rev 37406)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,97 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+/**
+ * Theme Installer Skin for the WordPress Theme Installer.
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+class Theme_Installer_Skin extends WP_Upgrader_Skin {
+       public $api;
+       public $type;
+
+       /**
+        *
+        * @param array $args
+        */
+       public function __construct($args = array()) {
+               $defaults = array( 'type' => 'web', 'url' => '', 'theme' => '', 'nonce' => '', 'title' => '' );
+               $args = wp_parse_args($args, $defaults);
+
+               $this->type = $args['type'];
+               $this->api = isset($args['api']) ? $args['api'] : array();
+
+               parent::__construct($args);
+       }
+
+       /**
+        * @access public
+        */
+       public function before() {
+               if ( !empty($this->api) )
+                       $this->upgrader->strings['process_success'] = sprintf( $this->upgrader->strings['process_success_specific'], $this->api->name, $this->api->version);
+       }
+
+       /**
+        * @access public
+        */
+       public function after() {
+               if ( empty($this->upgrader->result['destination_name']) )
+                       return;
+
+               $theme_info = $this->upgrader->theme_info();
+               if ( empty( $theme_info ) )
+                       return;
+
+               $name       = $theme_info->display('Name');
+               $stylesheet = $this->upgrader->result['destination_name'];
+               $template   = $theme_info->get_template();
+
+               $activate_link = add_query_arg( array(
+                       'action'     => 'activate',
+                       'template'   => urlencode( $template ),
+                       'stylesheet' => urlencode( $stylesheet ),
+               ), admin_url('themes.php') );
+               $activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );
+
+               $install_actions = array();
+
+               if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+                       $install_actions['preview'] = '<a href="' . wp_customize_url( $stylesheet ) . '" class="hide-if-no-customize load-customize"><span aria-hidden="true">' . __( 'Live Preview' ) . '</span><span class="screen-reader-text">' . sprintf( __( 'Live Preview &#8220;%s&#8221;' ), $name ) . '</span></a>';
+               }
+               $install_actions['activate'] = '<a href="' . esc_url( $activate_link ) . '" class="activatelink"><span aria-hidden="true">' . __( 'Activate' ) . '</span><span class="screen-reader-text">' . sprintf( __( 'Activate &#8220;%s&#8221;' ), $name ) . '</span></a>';
+
+               if ( is_network_admin() && current_user_can( 'manage_network_themes' ) )
+                       $install_actions['network_enable'] = '<a href="' . esc_url( wp_nonce_url( 'themes.php?action=enable&amp;theme=' . urlencode( $stylesheet ), 'enable-theme_' . $stylesheet ) ) . '" target="_parent">' . __( 'Network Enable' ) . '</a>';
+
+               if ( $this->type == 'web' )
+                       $install_actions['themes_page'] = '<a href="' . self_admin_url( 'theme-install.php' ) . '" target="_parent">' . __( 'Return to Theme Installer' ) . '</a>';
+               elseif ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) )
+                       $install_actions['themes_page'] = '<a href="' . self_admin_url( 'themes.php' ) . '" target="_parent">' . __( 'Return to Themes page' ) . '</a>';
+
+               if ( ! $this->result || is_wp_error($this->result) || is_network_admin() || ! current_user_can( 'switch_themes' ) )
+                       unset( $install_actions['activate'], $install_actions['preview'] );
+
+               /**
+                * Filter the list of action links available following a single theme installation.
+                *
+                * @since 2.8.0
+                *
+                * @param array    $install_actions Array of theme action links.
+                * @param object   $api             Object containing WordPress.org API theme data.
+                * @param string   $stylesheet      Theme directory name.
+                * @param WP_Theme $theme_info      Theme object.
+                */
+               $install_actions = apply_filters( 'install_theme_complete_actions', $install_actions, $this->api, $stylesheet, $theme_info );
+               if ( ! empty($install_actions) )
+                       $this->feedback(implode(' | ', (array)$install_actions));
+       }
+}
</ins></span></pre></div>
<a id="trunksrcwpadminincludesclassthemeupgraderskinphpfromrev37383trunksrcwpadminincludesclasswpupgraderskinsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-admin/includes/class-theme-upgrader-skin.php (from rev 37383, trunk/src/wp-admin/includes/class-wp-upgrader-skins.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-theme-upgrader-skin.php                         (rev 0)
+++ trunk/src/wp-admin/includes/class-theme-upgrader-skin.php   2016-05-10 11:10:22 UTC (rev 37406)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,82 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+/**
+ * Theme Upgrader Skin for WordPress Theme Upgrades.
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+class Theme_Upgrader_Skin extends WP_Upgrader_Skin {
+       public $theme = '';
+
+       /**
+        *
+        * @param array $args
+        */
+       public function __construct($args = array()) {
+               $defaults = array( 'url' => '', 'theme' => '', 'nonce' => '', 'title' => __('Update Theme') );
+               $args = wp_parse_args($args, $defaults);
+
+               $this->theme = $args['theme'];
+
+               parent::__construct($args);
+       }
+
+       /**
+        * @access public
+        */
+       public function after() {
+               $this->decrement_update_count( 'theme' );
+
+               $update_actions = array();
+               if ( ! empty( $this->upgrader->result['destination_name'] ) && $theme_info = $this->upgrader->theme_info() ) {
+                       $name       = $theme_info->display('Name');
+                       $stylesheet = $this->upgrader->result['destination_name'];
+                       $template   = $theme_info->get_template();
+
+                       $activate_link = add_query_arg( array(
+                               'action'     => 'activate',
+                               'template'   => urlencode( $template ),
+                               'stylesheet' => urlencode( $stylesheet ),
+                       ), admin_url('themes.php') );
+                       $activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );
+
+                       if ( get_stylesheet() == $stylesheet ) {
+                               if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+                                       $update_actions['preview']  = '<a href="' . wp_customize_url( $stylesheet ) . '" class="hide-if-no-customize load-customize"><span aria-hidden="true">' . __( 'Customize' ) . '</span><span class="screen-reader-text">' . sprintf( __( 'Customize &#8220;%s&#8221;' ), $name ) . '</span></a>';
+                               }
+                       } elseif ( current_user_can( 'switch_themes' ) ) {
+                               if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+                                       $update_actions['preview'] = '<a href="' . wp_customize_url( $stylesheet ) . '" class="hide-if-no-customize load-customize"><span aria-hidden="true">' . __( 'Live Preview' ) . '</span><span class="screen-reader-text">' . sprintf( __( 'Live Preview &#8220;%s&#8221;' ), $name ) . '</span></a>';
+                               }
+                               $update_actions['activate'] = '<a href="' . esc_url( $activate_link ) . '" class="activatelink"><span aria-hidden="true">' . __( 'Activate' ) . '</span><span class="screen-reader-text">' . sprintf( __( 'Activate &#8220;%s&#8221;' ), $name ) . '</span></a>';
+                       }
+
+                       if ( ! $this->result || is_wp_error( $this->result ) || is_network_admin() )
+                               unset( $update_actions['preview'], $update_actions['activate'] );
+               }
+
+               $update_actions['themes_page'] = '<a href="' . self_admin_url( 'themes.php' ) . '" target="_parent">' . __( 'Return to Themes page' ) . '</a>';
+
+               /**
+                * Filter the list of action links available following a single theme update.
+                *
+                * @since 2.8.0
+                *
+                * @param array  $update_actions Array of theme action links.
+                * @param string $theme          Theme directory name.
+                */
+               $update_actions = apply_filters( 'update_theme_complete_actions', $update_actions, $this->theme );
+
+               if ( ! empty($update_actions) )
+                       $this->feedback(implode(' | ', (array)$update_actions));
+       }
+}
</ins></span></pre></div>
<a id="trunksrcwpadminincludesclasswpupgraderskinphpfromrev37383trunksrcwpadminincludesclasswpupgraderskinsphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-admin/includes/class-wp-upgrader-skin.php (from rev 37383, trunk/src/wp-admin/includes/class-wp-upgrader-skins.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-wp-upgrader-skin.php                            (rev 0)
+++ trunk/src/wp-admin/includes/class-wp-upgrader-skin.php      2016-05-10 11:10:22 UTC (rev 37406)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,191 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+/**
+ * Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes.
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+class WP_Upgrader_Skin {
+
+       public $upgrader;
+       public $done_header = false;
+       public $done_footer = false;
+       public $result = false;
+       public $options = array();
+
+       /**
+        *
+        * @param array $args
+        */
+       public function __construct($args = array()) {
+               $defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false );
+               $this->options = wp_parse_args($args, $defaults);
+       }
+
+       /**
+        * @param WP_Upgrader $upgrader
+        */
+       public function set_upgrader(&$upgrader) {
+               if ( is_object($upgrader) )
+                       $this->upgrader =& $upgrader;
+               $this->add_strings();
+       }
+
+       /**
+        * @access public
+        */
+       public function add_strings() {
+       }
+
+       /**
+        *
+        * @param string|false|WP_Error $result
+        */
+       public function set_result($result) {
+               $this->result = $result;
+       }
+
+       /**
+        *
+        * @param bool   $error
+        * @param string $context
+        * @param bool   $allow_relaxed_file_ownership
+        * @return type
+        */
+       public function request_filesystem_credentials( $error = false, $context = false, $allow_relaxed_file_ownership = false ) {
+               $url = $this->options['url'];
+               if ( ! $context ) {
+                       $context = $this->options['context'];
+               }
+               if ( !empty($this->options['nonce']) ) {
+                       $url = wp_nonce_url($url, $this->options['nonce']);
+               }
+
+               $extra_fields = array();
+
+               return request_filesystem_credentials( $url, '', $error, $context, $extra_fields, $allow_relaxed_file_ownership );
+       }
+
+       /**
+        * @access public
+        */
+       public function header() {
+               if ( $this->done_header ) {
+                       return;
+               }
+               $this->done_header = true;
+               echo '<div class="wrap">';
+               echo '<h1>' . $this->options['title'] . '</h1>';
+       }
+
+       /**
+        * @access public
+        */
+       public function footer() {
+               if ( $this->done_footer ) {
+                       return;
+               }
+               $this->done_footer = true;
+               echo '</div>';
+       }
+
+       /**
+        *
+        * @param string|WP_Error $errors
+        */
+       public function error($errors) {
+               if ( ! $this->done_header )
+                       $this->header();
+               if ( is_string($errors) ) {
+                       $this->feedback($errors);
+               } elseif ( is_wp_error($errors) && $errors->get_error_code() ) {
+                       foreach ( $errors->get_error_messages() as $message ) {
+                               if ( $errors->get_error_data() && is_string( $errors->get_error_data() ) )
+                                       $this->feedback($message . ' ' . esc_html( strip_tags( $errors->get_error_data() ) ) );
+                               else
+                                       $this->feedback($message);
+                       }
+               }
+       }
+
+       /**
+        *
+        * @param string $string
+        */
+       public function feedback($string) {
+               if ( isset( $this->upgrader->strings[$string] ) )
+                       $string = $this->upgrader->strings[$string];
+
+               if ( strpos($string, '%') !== false ) {
+                       $args = func_get_args();
+                       $args = array_splice($args, 1);
+                       if ( $args ) {
+                               $args = array_map( 'strip_tags', $args );
+                               $args = array_map( 'esc_html', $args );
+                               $string = vsprintf($string, $args);
+                       }
+               }
+               if ( empty($string) )
+                       return;
+               show_message($string);
+       }
+
+       /**
+        * @access public
+        */
+       public function before() {}
+
+       /**
+        * @access public
+        */
+       public function after() {}
+
+       /**
+        * Output JavaScript that calls function to decrement the update counts.
+        *
+        * @since 3.9.0
+        *
+        * @param string $type Type of update count to decrement. Likely values include 'plugin',
+        *                     'theme', 'translation', etc.
+        */
+       protected function decrement_update_count( $type ) {
+               if ( ! $this->result || is_wp_error( $this->result ) || 'up_to_date' === $this->result ) {
+                       return;
+               }
+
+               if ( defined( 'IFRAME_REQUEST' ) ) {
+                       echo '<script type="text/javascript">
+                                       if ( window.postMessage && JSON ) {
+                                               window.parent.postMessage( JSON.stringify( { action: "decrementUpdateCount", upgradeType: "' . $type . '" } ), window.location.protocol + "//" + window.location.hostname );
+                                       }
+                               </script>';
+               } else {
+                       echo '<script type="text/javascript">
+                                       (function( wp ) {
+                                               if ( wp && wp.updates.decrementCount ) {
+                                                       wp.updates.decrementCount( "' . $type . '" );
+                                               }
+                                       })( window.wp );
+                               </script>';
+               }
+       }
+
+       /**
+        * @access public
+        */
+       public function bulk_header() {}
+
+       /**
+        * @access public
+        */
+       public function bulk_footer() {}
+}
</ins></span></pre>
</div>
</div>

</body>
</html>