Receive support for View Once photos

libtextsecure/message_receiver.js

@@ -1110,11 +1110,19 @@ MessageReceiver.prototype.extend({
       return this.handleVerified(envelope, syncMessage.verified);
     } else if (syncMessage.configuration) {
       return this.handleConfiguration(envelope, syncMessage.configuration);
-    } else if (syncMessage.stickerPackOperation) {
+    } else if (
+      syncMessage.stickerPackOperation &&
+      syncMessage.stickerPackOperation.length > 0
+    ) {
       return this.handleStickerPackOperation(
         envelope,
         syncMessage.stickerPackOperation
       );
+    } else if (syncMessage.messageTimerRead) {
+      return this.handleMessageTimerRead(
+        envelope,
+        syncMessage.messageTimerRead
+      );
     }
     throw new Error('Got empty SyncMessage');
   },
@@ -1125,6 +1133,17 @@ MessageReceiver.prototype.extend({
     ev.configuration = configuration;
     return this.dispatchAndWait(ev);
   },
+  handleMessageTimerRead(envelope, sync) {
+    window.log.info('got message timer read sync message');
+
+    const ev = new Event('viewSync');
+    ev.confirm = this.removeFromCache.bind(this, envelope);
+    ev.source = sync.sender;
+    ev.timestamp = sync.timestamp ? sync.timestamp.toNumber() : null;
+    ev.viewedAt = envelope.timestamp;
+
+    return this.dispatchAndWait(ev);
+  },
   handleStickerPackOperation(envelope, operations) {
     const ENUM = textsecure.protobuf.SyncMessage.StickerPackOperation.Type;
     window.log.info('got sticker pack operation sync message');

libtextsecure/sendmessage.js

@@ -750,6 +750,34 @@ MessageSender.prototype = {
 
     return Promise.resolve();
   },
+
+  async syncMessageTimerRead(sender, timestamp, options) {
+    const myNumber = textsecure.storage.user.getNumber();
+    const myDevice = textsecure.storage.user.getDeviceId();
+    if (myDevice === 1 || myDevice === '1') {
+      return null;
+    }
+
+    const syncMessage = this.createSyncMessage();
+
+    const messageTimerRead = new textsecure.protobuf.SyncMessage.MessageTimerRead();
+    messageTimerRead.sender = sender;
+    messageTimerRead.timestamp = timestamp;
+    syncMessage.messageTimerRead = messageTimerRead;
+
+    const contentMessage = new textsecure.protobuf.Content();
+    contentMessage.syncMessage = syncMessage;
+
+    const silent = true;
+    return this.sendIndividualProto(
+      myNumber,
+      contentMessage,
+      Date.now(),
+      silent,
+      options
+    );
+  },
+
   async sendStickerPackSync(operations, options) {
     const myDevice = textsecure.storage.user.getDeviceId();
     if (myDevice === 1 || myDevice === '1') {
@@ -1238,6 +1266,7 @@ textsecure.MessageSender = function MessageSenderWrapper(username, password) {
   this.getSticker = sender.getSticker.bind(sender);
   this.getStickerPackManifest = sender.getStickerPackManifest.bind(sender);
   this.sendStickerPackSync = sender.sendStickerPackSync.bind(sender);
+  this.syncMessageTimerRead = sender.syncMessageTimerRead.bind(sender);
 };
 
 textsecure.MessageSender.prototype = {