Add localization support (#2)

Author: filinovs

localization/en_US.inc

@@ -0,0 +1,6 @@
+<?php
+
+$labels = array();
+
+$labels['internal'] = "Mail was internal";
+$labels['unencrypted'] = "Message received over an unencrypted connection!";

localization/ru_RU.inc

@@ -0,0 +1,6 @@
+<?php
+
+$labels = array();
+
+$labels['internal'] = "Письмо было внутренним";
+$labels['unencrypted'] = "Сообщение получено по незашифрованному соединению!";

tls_icon.php

@@ -14,6 +14,8 @@ function init()
 		$this->add_hook('storage_init', array($this, 'storage_init'));
 
 		$this->include_stylesheet('tls_icon.css');
+
+		$this->add_texts('localization/');
 	}
 
 	public function storage_init($p)
@@ -23,7 +25,7 @@ public function storage_init($p)
 	}
 
 	public function message_headers($p)
-	{		
+	{
 		if($this->message_headers_done===false)
 		{
 			$this->message_headers_done = true;
@@ -53,11 +55,11 @@ public function message_headers($p)
 
 				$this->icon_img .= '<img class="lock_icon" src="plugins/tls_icon/lock.svg" title="'. htmlentities($data) .'" />';
 			} else if(preg_match_all('/\([a-zA-Z]*, from userid [0-9]*\)/im', $Received, $items, PREG_PATTERN_ORDER)){
-				$this->icon_img .= '<img class="lock_icon" src="plugins/tls_icon/blue_lock.svg" title="Mail was internal" />';
+				$this->icon_img .= '<img class="lock_icon" src="plugins/tls_icon/blue_lock.svg" title="' . $this->gettext('internal') . '" />';
 			} 
 			else {
 				// TODO: Mails received from localhost but without TLS are currently flagged insecure
-				$this->icon_img .= '<img class="lock_icon" src="plugins/tls_icon/unlock.svg" title="Message received over an unencrypted connection!" />';
+				$this->icon_img .= '<img class="lock_icon" src="plugins/tls_icon/unlock.svg" title="' . $this->gettext('unencrypted') . '" />';
 			}
 		}