/**
  * Cancel installer.
  *
  * @param WP_Upgrader_Skin $skin Skin to set message on.
  * @param WP_Error|string  $error Error to display.
  */
 protected function cancel_installer($skin, $error)
 {
     $skin->error($error);
     $skin->after();
     $skin->footer();
 }

 public function fs_connect($directories = array(), $allow_relaxed_file_ownership = false)
 {
     $skin = new WP_Upgrader_Skin();
     global $wp_filesystem;
     if (false === ($credentials = $skin->request_filesystem_credentials(false, $directories[0], $allow_relaxed_file_ownership))) {
         return false;
     }
     if (!WP_Filesystem($credentials, $directories[0], $allow_relaxed_file_ownership)) {
         $error = true;
         if (is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code()) {
             $error = $wp_filesystem->errors;
         }
         // Failed to connect, Error and request again
         //$this->skin->request_filesystem_credentials( $error, $directories[0], $allow_relaxed_file_ownership );
         return false;
     }
     if (!is_object($wp_filesystem)) {
         return new WP_Error('fs_unavailable', $this->strings['fs_unavailable']);
     }
     if (is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code()) {
         return new WP_Error('fs_error', $this->strings['fs_error'], $wp_filesystem->errors);
     }
     foreach ((array) $directories as $dir) {
         switch ($dir) {
             case ABSPATH:
                 if (!$wp_filesystem->abspath()) {
                     return new WP_Error('fs_no_root_dir', $this->strings['fs_no_root_dir']);
                 }
                 break;
             case WP_CONTENT_DIR:
                 if (!$wp_filesystem->wp_content_dir()) {
                     return new WP_Error('fs_no_content_dir', $this->strings['fs_no_content_dir']);
                 }
                 break;
             case WP_PLUGIN_DIR:
                 if (!$wp_filesystem->wp_plugins_dir()) {
                     return new WP_Error('fs_no_plugins_dir', $this->strings['fs_no_plugins_dir']);
                 }
                 break;
             case get_theme_root():
                 if (!$wp_filesystem->wp_themes_dir()) {
                     return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']);
                 }
                 break;
             default:
                 if (!$wp_filesystem->find_folder($dir)) {
                     return new WP_Error('fs_no_folder', sprintf($this->strings['fs_no_folder'], esc_html(basename($dir))));
                 }
                 break;
         }
     }
     return true;
 }

 /**
  *
  * @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);
 }

 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);
 }

 /**
  * @param $options
  */
 public function run($options)
 {
     $defaults = array('package' => '', 'destination' => '', 'clear_destination' => false, 'abort_if_destination_exists' => true, 'clear_working' => true, 'is_multi' => false, 'hook_extra' => array());
     $options = wp_parse_args($options, $defaults);
     // Connect to the Filesystem first.
     $res = $this->fs_connect(array(WP_CONTENT_DIR, $options['destination']));
     // Mainly for non-connected filesystem.
     if (!$res) {
         /*if ( ! $options['is_multi'] ) {
               $this->skin->footer();
           }*/
         return false;
     }
     //Download the package (Note, This just returns the filename of the file if the package is a local file)
     if (file_exists($options['package'])) {
         $download = $options['package'];
     } else {
         $download = $this->download_package($options['package']);
     }
     if (is_wp_error($download)) {
         $this->skin->error($download);
         //$this->skin->after();
         return $download;
     }
     $delete_package = $download != $options['package'];
     // Do not delete a "local" file
     //Unzips the file into a temporary directory
     $working_dir = $this->unpack_package($download, $delete_package);
     if (is_wp_error($working_dir)) {
         $this->skin->error($working_dir);
         $this->skin->after();
         return $working_dir;
     }
     $options['source'] = $working_dir;
     $options['package_folder'] = basename($working_dir);
     //With the given options, this installs it to the destination directory.
     $result = $this->install_package(array('source' => $working_dir, 'destination' => $options['destination'], 'clear_destination' => $options['clear_destination'], 'abort_if_destination_exists' => $options['abort_if_destination_exists'], 'clear_working' => $options['clear_working'], 'hook_extra' => $options['hook_extra']));
     $this->skin->set_result($result);
     if (is_wp_error($result)) {
         $this->skin->error($result);
         $this->skin->feedback('process_failed');
     } else {
         //Install Succeeded
         $this->skin->feedback('process_success');
         //update packages xml file
         $result = $this->update_packages_wxr($options);
         if (is_wp_error($result)) {
             $this->skin->error($result);
             $this->skin->feedback('process_failed');
         } else {
             $this->skin->feedback('process_success');
         }
     }
     $this->update_packages_wxr($options);
     $this->skin->feedback('go_manage_page');
     $this->skin->after();
     return $result;
 }

 function __construct($args = array())
 {
     $defaults = array('url' => '', 'plugin' => '', 'nonce' => '', 'title' => __('Downloading Wysija Premium', WYSIJA));
     $args = wp_parse_args($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);
 }

 /**
  *
  * @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);
 }

 /**
  * Determines whether the upgrader needs FTP/SSH details in order to connect
  * to the filesystem.
  *
  * @since 3.7.0
  * @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   $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
  * @return bool True on success, false on failure.
  */
 public function request_filesystem_credentials($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;
 }

 function error($errors)
 {
     $folder_exists = false;
     if (is_wp_error($errors)) {
         $error_codes = $errors->get_error_codes();
         if (in_array('folder_exists', $error_codes)) {
             $folder_exists = true;
         }
     }
     parent::error($errors);
     if ($folder_exists) {
         $this->feedback($this->get_folder_exsists_message());
     }
 }

	/**
	 * Toggle maintenance mode for the site.
	 *
	 * Creates/deletes the maintenance file to enable/disable maintenance mode.
	 *
	 * @since 2.8.0
	 *
	 * @global WP_Filesystem_Base $wp_filesystem Subclass
	 *
	 * @param bool $enable True to enable maintenance mode, false to disable.
	 */
	public function maintenance_mode( $enable = false ) {
		global $wp_filesystem;
		$file = $wp_filesystem->abspath() . '.maintenance';
		if ( $enable ) {
			$this->skin->feedback('maintenance_start');
			// Create maintenance file to signal that we are upgrading
			$maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
			$wp_filesystem->delete($file);
			$wp_filesystem->put_contents($file, $maintenance_string, FS_CHMOD_FILE);
		} elseif ( ! $enable && $wp_filesystem->exists( $file ) ) {
			$this->skin->feedback('maintenance_end');
			$wp_filesystem->delete($file);
		}
	}

 function __construct($args = array())
 {
     $defaults = array('type' => '', 'login' => '', 'url' => '', 'theme' => '', 'nonce' => '', 'title' => __('Update Theme', 'themify'), 'cookies' => null);
     $args = wp_parse_args($args, $defaults);
     if ($args['login'] == 'true') {
         $this->login = 'true';
     } else {
         $this->login = 'false';
     }
     if ($args['type'] == 'framework') {
         $this->type = 'framework';
     } else {
         $this->type = 'theme';
     }
     $this->theme = $args['theme'];
     $this->cookies = $args['cookies'];
     parent::__construct($args);
 }

 /**
  *
  * @TODO document
  *
  */
 function __construct($args = array())
 {
     parent::__construct($args);
 }

 /**
  *
  * @param string|WP_Error $error
  */
 public function error($error)
 {
     echo '<div class="lp-error">';
     parent::error($error);
     echo '</div>';
 }

 /**
  * Outputs links after bulk plugin installation is complete.
  *
  * @since 2.2.0
  */
 public function bulk_footer()
 {
     /** Serve up the string to say installations (and possibly activations) are complete */
     parent::bulk_footer();
     /** Flush plugins cache so we can make sure that the installed plugins list is always up to date */
     wp_cache_flush();
     /** Display message based on if all plugins are now active or not */
     $complete = array();
     foreach (TGM_Plugin_Activation::$instance->plugins as $plugin) {
         if (!is_plugin_active($plugin['file_path'])) {
             echo '<p><a href="' . add_query_arg('page', TGM_Plugin_Activation::$instance->menu, admin_url(TGM_Plugin_Activation::$instance->parent_url_slug)) . '" title="' . esc_attr(TGM_Plugin_Activation::$instance->strings['return']) . '" target="_parent">' . __(TGM_Plugin_Activation::$instance->strings['return'], TGM_Plugin_Activation::$instance->domain) . '</a></p>';
             $complete[] = $plugin;
             break;
         } else {
             $complete[] = '';
         }
     }
     /** Filter out any empty entries */
     $complete = array_filter($complete);
     /** All plugins are active, so we display the complete string and hide the menu to protect users */
     if (empty($complete)) {
         echo '<p>' . sprintf(TGM_Plugin_Activation::$instance->strings['complete'], '<a href="' . admin_url() . '" title="' . __('Return to the Dashboard', TGM_Plugin_Activation::$instance->domain) . '">' . __('Return to the Dashboard', TGM_Plugin_Activation::$instance->domain) . '</a>') . '</p>';
         echo '<style type="text/css">#adminmenu .wp-submenu li.current { display: none !important; }</style>';
     }
 }

 /**
  * Set the error flag to true, then let the base class handle the rest.
  *
  * @param $errors
  */
 public function error($errors)
 {
     $this->error = true;
     parent::error($errors);
 }

 function request_filesystem_credentials($error = false, $context = '')
 {
     if ($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();
     set_current_screen('tools');
     // Only here to avoid PHP Notices from screen_icon() which is used within that HTML
     $result = parent::request_filesystem_credentials($error);
     ob_end_clean();
     return $result;
 }

 public function __construct(OutputInterface $output)
 {
     parent::__construct();
     $this->output = $output;
 }

 function __construct($args = array())
 {
     $defaults = array('type' => 'web', 'url' => '', 'lens_dirname' => '', 'nonce' => '', 'title' => '');
     $args = wp_parse_args($args, $defaults);
     $this->type = $args['type'];
     parent::__construct($args);
 }

 /**
  *
  * @param array $args
  */
 public function __construct($args = array())
 {
     $defaults = array('url' => '', 'nonce' => '');
     $args = wp_parse_args($args, $defaults);
     parent::__construct($args);
 }

 public function __construct($args = array(), $parent = null)
 {
     $this->_parent = $parent;
     parent::__construct($args);
 }