Wordpress 4.6

[autoinstalls/wordpress.git] / wp-admin / includes / class-wp-upgrader-skin.php

diff --git a/wp-admin/includes/class-wp-upgrader-skin.php b/wp-admin/includes/class-wp-upgrader-skin.php
new file mode 100644 (file)
index 0000000..4c2b537
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+++ b/wp-admin/includes/class-wp-upgrader-skin.php
@@ -0,0 +1,211 @@
+<?php
+/**
+ * Upgrader API: WP_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ */
+class WP_Upgrader_Skin {
+
+       public $upgrader;
+       public $done_header = false;
+       public $done_footer = false;
+
+       /**
+        * Holds the result of an upgrade.
+        *
+        * @since 2.8.0
+        * @access public
+        * @var string|bool|WP_Error
+        */
+       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() {
+       }
+
+       /**
+        * Sets the result of an upgrade.
+        *
+        * @since 2.8.0
+        * @access public
+        *
+        * @param string|bool|WP_Error $result The result of an upgrade.
+        */
+       public function set_result( $result ) {
+               $this->result = $result;
+       }
+
+       /**
+        * Displays a form to the user to request for their FTP/SSH details in order
+        * to connect to the filesystem.
+        *
+        * @since 2.8.0
+        * @since 4.6.0 The `$context` parameter default changed from `false` to an empty string.
+        *
+        * @see request_filesystem_credentials()
+        *
+        * @param bool   $error                        Optional. Whether the current request has failed to connect.
+        *                                             Default false.
+        * @param string $context                      Optional. Full path to the directory that is tested
+        *                                             for being writable. Default empty.
+        * @param bool   $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
+        * @return bool False on failure, true on success.
+        */
+       public function request_filesystem_credentials( $error = false, $context = '', $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() {}
+}