From a32b875587cd4203afbe49cef29529bd72a8bab2 Mon Sep 17 00:00:00 2001
From: Alan Evans <alan@signal.org>
Date: Wed, 14 Aug 2019 10:00:03 -0400
Subject: [PATCH] Support disabled animations for accessibility.

---
 .../components/webrtc/WebRtcAnswerDeclineButton.java      | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/org/thoughtcrime/securesms/components/webrtc/WebRtcAnswerDeclineButton.java b/src/org/thoughtcrime/securesms/components/webrtc/WebRtcAnswerDeclineButton.java
index ef37d0ef59..f0f0fe5737 100644
--- a/src/org/thoughtcrime/securesms/components/webrtc/WebRtcAnswerDeclineButton.java
+++ b/src/org/thoughtcrime/securesms/components/webrtc/WebRtcAnswerDeclineButton.java
@@ -7,6 +7,7 @@ import android.animation.ObjectAnimator;
 import android.content.Context;
 import android.graphics.Color;
 import android.os.Build;
+import android.provider.Settings;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
@@ -263,6 +264,8 @@ public final class WebRtcAnswerDeclineButton extends LinearLayout implements Acc
     }
 
     private void animateElements(int delay) {
+      if (areAnimationsDisabled()) return;
+
       ObjectAnimator fabUp    = getUpAnimation(answer);
       ObjectAnimator fabDown  = getDownAnimation(answer);
       ObjectAnimator fabShake = getShakeAnimation(answer);
@@ -297,6 +300,11 @@ public final class WebRtcAnswerDeclineButton extends LinearLayout implements Acc
       animatorSet.start();
     }
 
+    private boolean areAnimationsDisabled() {
+      return Settings.Global.getFloat(getContext().getContentResolver(),
+                                      Settings.Global.ANIMATOR_DURATION_SCALE, 1) == 0f;
+    }
+
     private void resetElements() {
       animating = false;
       complete  = false;