Clean up timer animation.

6 years ago · 1b01e8f65f
parent 2fe6193708
commit 1b01e8f65f
1 changed files with 3 additions and 1 deletions
--- a/Signal/src/ViewControllers/ConversationView/Cells/OWSMessageTimerView.m
+++ b/Signal/src/ViewControllers/ConversationView/Cells/OWSMessageTimerView.m
@ -82,7 +82,9 @@ const CGFloat kDisappearingMessageIconSize = 12.f;
        return;
    }

-    CGFloat secondsLeft = MAX(0, (self.expirationTimestamp - [NSDate ows_millisecondTimeStamp]) / 1000.f);
+    uint64_t nowTimestamp = [NSDate ows_millisecondTimeStamp];
+    CGFloat secondsLeft
+        = (self.expirationTimestamp > nowTimestamp ? (self.expirationTimestamp - nowTimestamp) / 1000.f : 0.f);
    CGFloat progress = 0.f;
    if (self.initialDurationSeconds > 0) {
        progress = CGFloatClamp(secondsLeft / self.initialDurationSeconds, 0.f, 1.f);