From 819498d8c9bd8c5c72d2f7b12ec082795b6628d1 Mon Sep 17 00:00:00 2001
From: Schabse Laks <slaks@google.com>
Date: Fri, 15 Mar 2024 08:08:53 -0700
Subject: [PATCH] feat(dialog): Add a chaining class that suppresses scrim
 animations.

PiperOrigin-RevId: 616132734
---
 packages/mdc-dialog/_mixins.scss | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/packages/mdc-dialog/_mixins.scss b/packages/mdc-dialog/_mixins.scss
index 389b0c0cd4c..b5d11f40f3c 100644
--- a/packages/mdc-dialog/_mixins.scss
+++ b/packages/mdc-dialog/_mixins.scss
@@ -395,7 +395,8 @@
 
     .mdc-dialog__container {
       @include feature-targeting.targets($feat-animation) {
-        transition: opacity 75ms linear,
+        transition:
+          opacity 75ms linear,
           animation-functions.enter(transform, 150ms);
       }
     }
@@ -423,6 +424,16 @@
     }
   }
 
+  // Override the above transitions when chaining dialogs.
+  .mdc-dialog--chaining .mdc-dialog__scrim {
+    @include feature-targeting.targets($feat-animation) {
+      transition: none;
+    }
+    @include feature-targeting.targets($feat-structure) {
+      opacity: 1;
+    }
+  }
+
   .mdc-dialog--open {
     .mdc-dialog__scrim {
       @include feature-targeting.targets($feat-structure) {