better handling of tombstones, schema changes from upstream

Zotlabs/Lib/Activity.php

@@ -401,10 +401,35 @@ class Activity {
 		$reply = false;
 
 		if(intval($i['item_deleted'])) {
-			$ret['type'] = 'Tombstone';
-			$ret['formerType'] = self::activity_obj_mapper($i['obj_type']);
-			$ret['id'] = $i['mid'];
+			$ret['type'] = 'Delete';
+			$ret['id'] = str_replace('/item/','/activity/',$i['mid']) . '#delete';
+			$actor = self::encode_person($i['author'],false);
+			if($actor)
+				$ret['actor'] = $actor;
+			else
+				return []; 
+
+			if($i['obj']) {
+				if(! is_array($i['obj'])) {
+					$i['obj'] = json_decode($i['obj'],true);
+				}
+				$obj = self::encode_object($i['obj']);
+				if($obj)
+					$ret['object'] = $obj;
+				else
+					return [];
+			}
+			else {
+				$obj = self::encode_item($i,$activitypub);
+				if($obj)
+					$ret['object'] = $obj;
+				else
+					return [];
+			}
+
+			$ret['to'] = [ ACTIVITY_PUBLIC_INBOX ];
 			return $ret;
+
 		}
 
 		$ret['type'] = self::activity_mapper($i['verb']);
@@ -1201,6 +1226,25 @@ class Activity {
 
 	}
 
+	static function drop($channel,$observer,$act) {
+		$r = q("select * from item where mid = '%s' and uid = %d limit 1",
+			$act->obj['id'],
+			$channel['channel_id']
+		);
+
+		if(! $r) {
+			return;
+		}
+
+		if(in_array($observer,[ $r[0]['author_xchan'], $r[0]['owner_xchan'] ])) {
+			drop_item($r[0]['id'],false);
+		}
+		elseif(in_array($act->actor['id'],[ $r[0]['author_xchan'], $r[0]['owner_xchan'] ])) {
+			drop_item($r[0]['id'],false);
+		}
+
+	}
+
 
 	static function create_action($channel,$observer_hash,$act) {
 

Zotlabs/Module/Inbox.php

@@ -195,6 +195,8 @@ class Inbox extends Controller {
 						break;
 					}
 				case 'Delete':
+					Activity::drop($channel,$observer_hash,$AS);
+					break;
 				case 'Add':
 				case 'Remove':
 				default:

view/theme/redbasic/schema/Focus-Light.css

@@ -1,3 +1,4 @@
+.dropdown-header.text-white-50,
 .navbar-dark .navbar-toggler,
 .navbar-dark .nav-link.active {
 	color: rgba(0,0,0,0.7) !important;

view/theme/redbasic/schema/dark.css

@@ -152,6 +152,7 @@ option {
     background-color: #111;
 }
 
+.dropdown-header.text-black-50,
 .nav-link.active {
 	color:#fff !important;
 }
@@ -373,7 +374,7 @@ pre {
 }
 
 .dropdown-menu >li > a {
-	color: #ccc;
+	color: #ccc !important;
 }
 
 .dropdown-menu > li > a:hover, .dropdown-menu > li > a:focus {