From 599e89b1f9d1444ac33436467dc0f38edc40c7c8 Mon Sep 17 00:00:00 2001
From: Alan Evans <alan@signal.org>
Date: Tue, 7 Jul 2020 11:39:32 -0300
Subject: [PATCH] Fix audio waveform RTL rendering.

Fixes #9823
---
 .../securesms/components/WaveFormSeekBarView.java             | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/src/main/java/org/thoughtcrime/securesms/components/WaveFormSeekBarView.java b/app/src/main/java/org/thoughtcrime/securesms/components/WaveFormSeekBarView.java
index a63d9d967e..8f96ce42e2 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/components/WaveFormSeekBarView.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/components/WaveFormSeekBarView.java
@@ -120,6 +120,10 @@ public final class WaveFormSeekBarView extends AppCompatSeekBar {
     canvas.save();
     canvas.translate(getPaddingLeft(), getPaddingTop());
 
+    if (getLayoutDirection() == LAYOUT_DIRECTION_RTL) {
+      canvas.scale(-1, 1, usableWidth / 2f, usableHeight / 2f);
+    }
+
     for (int bar = 0; bar < data.length; bar++) {
       float x        = bar * (barWidth + barGap) + barWidth / 2f;
       float y        = data[bar] * maxHeight;