gorhill
diff --git a/‎src/js/scriptlet-filtering.js‎
Lines changed: 8 additions & 3 deletions b/‎src/js/scriptlet-filtering.js‎
Lines changed: 8 additions & 3 deletions
diff --git a/‎src/js/ublock.js‎
Lines changed: 1 addition & 1 deletion b/‎src/js/ublock.js‎
Lines changed: 1 addition & 1 deletion
@@ -45,10 +45,13 @@ const contentScriptRegisterer = new (class {
     constructor() {
         this.hostnameToDetails = new Map();
         if ( browser.contentScripts === undefined ) { return; }
-        onBroadcast(msg => {
+        this.bc = onBroadcast(msg => {
             if ( msg.what !== 'filteringBehaviorChanged' ) { return; }
-            if ( msg.direction > 0 ) { return; }
-            if ( msg.hostname ) { return this.flush(msg.hostname); }
+            const direction = msg.direction || 0;
+            if ( direction > 0 ) { return; }
+            if ( direction >= 0 && msg.hostname ) {
+                return this.flush(msg.hostname);
+            }
             this.reset();
         });
     }
@@ -78,13 +81,15 @@ const contentScriptRegisterer = new (class {
         return false;
     }
     unregister(hostname) {
+        if ( hostname === '' ) { return; }
         if ( this.hostnameToDetails.size === 0 ) { return; }
         const details = this.hostnameToDetails.get(hostname);
         if ( details === undefined ) { return; }
         this.hostnameToDetails.delete(hostname);
         this.unregisterHandle(details.handle);
     }
     flush(hostname) {
+        if ( hostname === '' ) { return; }
         if ( hostname === '*' ) { return this.reset(); }
         for ( const hn of this.hostnameToDetails.keys() ) {
             if ( hn.endsWith(hostname) === false ) { continue; }
 
@@ -148,7 +148,7 @@ const matchBucket = function(url, hostname, bucket, start) {
         }
         bucket.push(directive);
         this.saveWhitelist();
-        filteringBehaviorChanged({ hostname: targetHostname });
+        filteringBehaviorChanged({ hostname: targetHostname, direction: -1 });
         return true;
     }
Original file line number	Diff line number	Diff line change
`@@ -148,7 +148,7 @@ const matchBucket = function(url, hostname, bucket, start) {`
`148`	`148`	`}`
`149`	`149`	`bucket.push(directive);`
`150`	`150`	`this.saveWhitelist();`
`151`		`- filteringBehaviorChanged({ hostname: targetHostname });`
	`151`	`+ filteringBehaviorChanged({ hostname: targetHostname, direction: -1 });`
`152`	`152`	`return true;`
`153`	`153`	`}`
`154`	`154`