From 9c7a5e3cc816427d3f2e9a8b5066f25667c50a8a Mon Sep 17 00:00:00 2001
From: Alex Hart <alex@signal.org>
Date: Fri, 17 Jun 2022 16:08:02 -0300
Subject: [PATCH] Disable voice note proximity sensor when using bluetooth
 headset. (#2448)

---
 app/build.gradle                              |  2 ++
 .../VoiceNoteProximityWakeLockManager.kt      | 27 ++++++++++++++++++-
 dependencies.gradle                           |  1 +
 gradle/verification-metadata.xml              | 13 +++++++++
 4 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/app/build.gradle b/app/build.gradle
index ff9700096..530476f3e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -434,6 +434,8 @@ dependencies {
     implementation libs.conscrypt.android
     implementation libs.signal.aesgcmprovider
 
+    implementation libs.audioswitch
+
     implementation project(':libsignal-service')
     implementation project(':paging')
     implementation project(':core-util')
diff --git a/app/src/main/java/org/thoughtcrime/securesms/components/voice/VoiceNoteProximityWakeLockManager.kt b/app/src/main/java/org/thoughtcrime/securesms/components/voice/VoiceNoteProximityWakeLockManager.kt
index 499dea8a2..5da0d8821 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/components/voice/VoiceNoteProximityWakeLockManager.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/components/voice/VoiceNoteProximityWakeLockManager.kt
@@ -14,6 +14,8 @@ import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.DefaultLifecycleObserver
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleOwner
+import com.twilio.audioswitch.AudioDevice
+import com.twilio.audioswitch.AudioSwitch
 import org.signal.core.util.logging.Log
 import org.thoughtcrime.securesms.util.ServiceUtil
 import java.util.concurrent.TimeUnit
@@ -40,6 +42,7 @@ class VoiceNoteProximityWakeLockManager(
 
   private val mediaControllerCallback = MediaControllerCallback()
   private val hardwareSensorEventListener = HardwareSensorEventListener()
+  private val audioSwitch: AudioSwitch? = if (Build.VERSION.SDK_INT < 31) AudioSwitch(activity.applicationContext) else null
 
   private var startTime: Long = -1
 
@@ -50,12 +53,25 @@ class VoiceNoteProximityWakeLockManager(
   }
 
   override fun onResume(owner: LifecycleOwner) {
+    if (audioSwitch == null) {
+      startListening()
+    } else {
+      audioSwitch.start { _, selectedAudioDevice -> onFocusedAudioDeviceChanged(selectedAudioDevice) }
+    }
+  }
+
+  override fun onPause(owner: LifecycleOwner) {
+    audioSwitch?.stop()
+    stopListening()
+  }
+
+  private fun startListening() {
     if (proximitySensor != null) {
       mediaController.registerCallback(mediaControllerCallback)
     }
   }
 
-  override fun onPause(owner: LifecycleOwner) {
+  private fun stopListening() {
     if (proximitySensor != null) {
       unregisterCallbacksAndRelease()
     }
@@ -68,10 +84,19 @@ class VoiceNoteProximityWakeLockManager(
 
   fun unregisterFromLifecycle() {
     if (proximitySensor != null) {
+      stopListening()
       activity.lifecycle.removeObserver(this)
     }
   }
 
+  private fun onFocusedAudioDeviceChanged(audioDevice: AudioDevice?) {
+    if (audioDevice is AudioDevice.BluetoothHeadset) {
+      stopListening()
+    } else {
+      startListening()
+    }
+  }
+
   private fun isActivityResumed() = activity.lifecycle.currentState.isAtLeast(Lifecycle.State.RESUMED)
 
   private fun isPlayerActive() = mediaController.playbackState.state == PlaybackStateCompat.STATE_BUFFERING ||
diff --git a/dependencies.gradle b/dependencies.gradle
index 883bd3b20..b3030279b 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -113,6 +113,7 @@ dependencyResolutionManagement {
             alias('lottie').to('com.airbnb.android:lottie:3.6.0')
             alias('stickyheadergrid').to('com.codewaves.stickyheadergrid:stickyheadergrid:0.9.4')
             alias('dnsjava').to('dnsjava:dnsjava:2.1.9')
+            alias('audioswitch').to('com.twilio:audioswitch:1.1.4')
 
             // Mp4Parser
             alias('mp4parser-isoparser').to('org.mp4parser', 'isoparser').versionRef('mp4parser')
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index 2b37bbdba..015f1a486 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -59,6 +59,14 @@ https://docs.gradle.org/current/userguide/dependency_verification.html
             <sha256 value="2efcab81ef91b211bacd206eaacd995a51f633a2e96b57a8fc00144c5f9c56b3" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="androidx.annotation" name="annotation" version="1.3.0">
+         <artifact name="annotation-1.3.0.jar">
+            <sha256 value="97dc45afefe3a1e421da42b8b6e9f90491477c45fc6178203e3a5e8a05ee8553" origin="Generated by Gradle"/>
+         </artifact>
+         <artifact name="annotation-1.3.0.module">
+            <sha256 value="9516c2ae44284ea0bd3d0eade0ee638879b708cbe31e3af92ba96c300604ebc3" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="androidx.annotation" name="annotation-experimental" version="1.0.0">
          <artifact name="annotation-experimental-1.0.0.aar">
             <sha256 value="b219d2b568e7e4ba534e09f8c2fd242343df6ccbdfbbe938846f5d740e6b0b11" origin="Generated by Gradle"/>
@@ -2127,6 +2135,11 @@ https://docs.gradle.org/current/userguide/dependency_verification.html
             <sha256 value="4c56697dd1ad64b8066535c61f961a6d901e7ae5d97ae27084ba40ad620349b6" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="com.twilio" name="audioswitch" version="1.1.4">
+         <artifact name="audioswitch-1.1.4.aar">
+            <sha256 value="881dd2836afa59a2dbb2ee3a847e3675e9c9f013cb5c79d872d90ea28598077c" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="com.uber.rxdogtag2" name="rxdogtag" version="2.0.1">
          <artifact name="rxdogtag-2.0.1.jar">
             <sha256 value="0e09c60f88d446ff209c17a0a36503b49fdec475225d4381ae4fe9ed83fb912d" origin="Generated by Gradle"/>