From f59e979aab63200caa863b392465a5d9956047a5 Mon Sep 17 00:00:00 2001
From: Benoit Marty <benoit@matrix.org>
Date: Wed, 31 Dec 2025 09:43:25 +0100
Subject: [PATCH] Create VoicePlayerConfig.

---
 .../voiceplayer/impl/VoiceMessagePresenter.kt      | 14 +++++---------
 .../voiceplayer/impl/VoicePlayerConfig.kt          | 14 ++++++++++++++
 2 files changed, 19 insertions(+), 9 deletions(-)
 create mode 100644 libraries/voiceplayer/impl/src/main/kotlin/io/element/android/libraries/voiceplayer/impl/VoicePlayerConfig.kt

diff --git a/libraries/voiceplayer/impl/src/main/kotlin/io/element/android/libraries/voiceplayer/impl/VoiceMessagePresenter.kt b/libraries/voiceplayer/impl/src/main/kotlin/io/element/android/libraries/voiceplayer/impl/VoiceMessagePresenter.kt
index 089e7fa533..95c9554731 100644
--- a/libraries/voiceplayer/impl/src/main/kotlin/io/element/android/libraries/voiceplayer/impl/VoiceMessagePresenter.kt
+++ b/libraries/voiceplayer/impl/src/main/kotlin/io/element/android/libraries/voiceplayer/impl/VoiceMessagePresenter.kt
@@ -12,6 +12,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import io.element.android.libraries.architecture.AsyncData
@@ -38,9 +39,7 @@ class VoiceMessagePresenter(
     private val duration: Duration,
 ) : Presenter<VoiceMessageState> {
     private val play = mutableStateOf<AsyncData<Unit>>(AsyncData.Uninitialized)
-    private val playbackSpeed = mutableStateOf(1.0f)
-
-    private val availablePlaybackSpeeds = listOf(0.5f, 1.0f, 1.5f, 2.0f)
+    private val playbackSpeedIndex = mutableIntStateOf(0)
 
     @Composable
     override fun present(): VoiceMessageState {
@@ -116,11 +115,8 @@ class VoiceMessagePresenter(
                     player.seekTo((event.percentage * duration).toLong())
                 }
                 is VoiceMessageEvents.ChangePlaybackSpeed -> {
-                    val currentIndex = availablePlaybackSpeeds.indexOf(playbackSpeed.value)
-                    val nextIndex = (currentIndex + 1) % availablePlaybackSpeeds.size
-                    val newSpeed = availablePlaybackSpeeds[nextIndex]
-                    playbackSpeed.value = newSpeed
-                    player.setPlaybackSpeed(newSpeed)
+                    playbackSpeedIndex.intValue = (playbackSpeedIndex.intValue + 1) % VoicePlayerConfig.availablePlaybackSpeeds.size
+                    player.setPlaybackSpeed(VoicePlayerConfig.availablePlaybackSpeeds[playbackSpeedIndex.intValue])
                 }
             }
         }
@@ -130,7 +126,7 @@ class VoiceMessagePresenter(
             progress = progress,
             time = time,
             showCursor = showCursor,
-            playbackSpeed = playbackSpeed.value,
+            playbackSpeed = VoicePlayerConfig.availablePlaybackSpeeds[playbackSpeedIndex.intValue],
             eventSink = ::handleEvent,
         )
     }
diff --git a/libraries/voiceplayer/impl/src/main/kotlin/io/element/android/libraries/voiceplayer/impl/VoicePlayerConfig.kt b/libraries/voiceplayer/impl/src/main/kotlin/io/element/android/libraries/voiceplayer/impl/VoicePlayerConfig.kt
new file mode 100644
index 0000000000..3ade34d99f
--- /dev/null
+++ b/libraries/voiceplayer/impl/src/main/kotlin/io/element/android/libraries/voiceplayer/impl/VoicePlayerConfig.kt
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2025 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.voiceplayer.impl
+
+object VoicePlayerConfig {
+    // Available playback speeds for voice messages, the first one is the default speed, and
+    // the UI will allow to change to the next speed in the list, in loop.
+    val availablePlaybackSpeeds = listOf(1.0f, 1.5f, 2.0f, 0.5f)
+}