Merge pull request #78 from deltachat/notification-flow

add basic notification flow

notification-flow.md

@@ -0,0 +1,22 @@
+# shall a notification be shown?
+
+```
+
+// on incoming message / reaction / webxdc-notify ...
+
+
+if notifications_granted_by_system:
+    if not profile_muted:
+        if not chat_muted:
+            DO_NOTIFY()
+        else:
+            if is_webxdc_notify || is_reaction_to_own_message || is_reply_to_own_message:
+                if is_multiuser_chat
+                    if mentions_enabled:
+                        DO_NOTIFY()
+
+
+// in all other cases: do not notify
+// in case the chat/app being notified is in scope, depending on UI, notification may be skipped
+
+```