Universal Disappearing Messages

ts/models/messages.ts

@@ -129,6 +129,10 @@ type MessageBubbleProps =
       type: 'profileChange';
       data: ProfileChangeNotificationPropsType;
     }
+  | {
+      type: 'universalTimerNotification';
+      data: null;
+    }
   | {
       type: 'chatSessionRefreshed';
       data: null;
@@ -333,6 +337,7 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
       !this.isKeyChange() &&
       !this.isMessageHistoryUnsynced() &&
       !this.isProfileChange() &&
+      !this.isUniversalTimerNotification() &&
       !this.isUnsupportedMessage() &&
       !this.isVerifiedChange()
     );
@@ -406,6 +411,12 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
         data: this.getPropsForProfileChange(),
       };
     }
+    if (this.isUniversalTimerNotification()) {
+      return {
+        type: 'universalTimerNotification',
+        data: null,
+      };
+    }
     if (this.isChatSessionRefreshed()) {
       return {
         type: 'chatSessionRefreshed',
@@ -600,6 +611,10 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
     return this.get('type') === 'profile-change';
   }
 
+  isUniversalTimerNotification(): boolean {
+    return this.get('type') === 'universal-timer-notification';
+  }
+
   // Props for each message type
   getPropsForUnsupportedMessage(): PropsForUnsupportedMessage {
     const requiredVersion = this.get('requiredProtocolVersion');
@@ -1941,6 +1956,7 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
     const isKeyChange = this.isKeyChange();
     const isMessageHistoryUnsynced = this.isMessageHistoryUnsynced();
     const isProfileChange = this.isProfileChange();
+    const isUniversalTimerNotification = this.isUniversalTimerNotification();
 
     // Note: not all of these message types go through message.handleDataMessage
 
@@ -1967,7 +1983,8 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
       // Locally-generated notifications
       isKeyChange ||
       isMessageHistoryUnsynced ||
-      isProfileChange;
+      isProfileChange ||
+      isUniversalTimerNotification;
 
     return !hasSomethingToDisplay;
   }