Show an '[Refresh] N unread messages' toolbar instead of flooding the browser with new posts.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3717 ed5197a5-7fde-0310-b194-c3ffbd925b24

apps/cory/index/app.js

@@ -296,7 +296,11 @@ ssb.addEventListener('message', async function(id) {
 	var db = await database("ssb");
 	var posts = await getPosts(db, [id]);
 	for (let post of posts) {
-		await app.postMessage({message: post});
+		if (post.author == await ssb.whoami()) {
+			await app.postMessage({message: post});
+		} else {
+			await app.postMessage({unread: 1});
+		}
 	}
 });