Voice Broadcast - Add max length for recording

changelog.d/7588.wip

@@ -0,0 +1 @@
+Voice Broadcast - Add maximum length

library/ui-strings/src/main/res/values/strings.xml

@@ -3101,6 +3101,8 @@
     <string name="error_voice_broadcast_permission_denied_message">You don’t have the required permissions to start a voice broadcast in this room. Contact a room administrator to upgrade your permissions.</string>
     <string name="error_voice_broadcast_blocked_by_someone_else_message">Someone else is already recording a voice broadcast. Wait for their voice broadcast to end to start a new one.</string>
     <string name="error_voice_broadcast_already_in_progress_message">You are already recording a voice broadcast. Please end your current voice broadcast to start a new one.</string>
+    <!-- Examples of usage: 6h 15min 30sec left / 15min 30sec left / 30sec left -->
+    <string name="voice_broadcast_recording_time_left">%1$s left</string>
 
     <string name="upgrade_room_for_restricted">Anyone in %s will be able to find and join this room - no need to manually invite everyone. You’ll be able to change this in room settings anytime.</string>
     <string name="upgrade_room_for_restricted_no_param">Anyone in a parent space will be able to find and join this room - no need to manually invite everyone. You’ll be able to change this in room settings anytime.</string>

vector/src/main/java/im/vector/app/features/home/room/detail/composer/AudioMessageHelper.kt

@@ -66,7 +66,7 @@ class AudioMessageHelper @Inject constructor(
 
     fun startRecording(roomId: String) {
         stopPlayback()
-        playbackTracker.makeAllPlaybacksIdle()
+        playbackTracker.pauseAllPlaybacks()
         amplitudeList.clear()
 
         try {

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/helper/AudioMessagePlaybackTracker.kt

@@ -51,15 +51,7 @@ class AudioMessagePlaybackTracker @Inject constructor() {
     }
 
     fun pauseAllPlaybacks() {
-        listeners.keys.forEach { key ->
-            pausePlayback(key)
-        }
-    }
-
-    fun makeAllPlaybacksIdle() {
-        listeners.keys.forEach { key ->
-            setState(key, Listener.State.Idle)
-        }
+        listeners.keys.forEach(::pausePlayback)
     }
 
     /**

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/MessageVoiceBroadcastRecordingItem.kt

@@ -21,10 +21,12 @@ import androidx.core.view.isVisible
 import com.airbnb.epoxy.EpoxyModelClass
 import im.vector.app.R
 import im.vector.app.core.epoxy.onClick
+import im.vector.app.core.utils.TextUtils
 import im.vector.app.features.home.room.detail.RoomDetailAction.VoiceBroadcastAction
 import im.vector.app.features.voicebroadcast.model.VoiceBroadcastState
 import im.vector.app.features.voicebroadcast.recording.VoiceBroadcastRecorder
 import im.vector.app.features.voicebroadcast.views.VoiceBroadcastMetadataView
+import org.threeten.bp.Duration
 
 @EpoxyModelClass
 abstract class MessageVoiceBroadcastRecordingItem : AbsMessageVoiceBroadcastItem<MessageVoiceBroadcastRecordingItem.Holder>() {
@@ -37,11 +39,15 @@ abstract class MessageVoiceBroadcastRecordingItem : AbsMessageVoiceBroadcastItem
     }
 
     private fun bindVoiceBroadcastItem(holder: Holder) {
-        if (recorder != null && recorder?.state != VoiceBroadcastRecorder.State.Idle) {
+        if (recorder != null && recorder?.recordingState != VoiceBroadcastRecorder.State.Idle) {
             recorderListener = object : VoiceBroadcastRecorder.Listener {
                 override fun onStateUpdated(state: VoiceBroadcastRecorder.State) {
                     renderRecordingState(holder, state)
                 }
+
+                override fun onRemainingTimeUpdated(remainingTime: Long?) {
+                    renderRemainingTime(holder, remainingTime)
+                }
             }.also { recorder?.addListener(it) }
         } else {
             renderVoiceBroadcastState(holder)
@@ -58,9 +64,19 @@ abstract class MessageVoiceBroadcastRecordingItem : AbsMessageVoiceBroadcastItem
     }
 
     override fun renderMetadata(holder: Holder) {
-        with(holder) {
-            listenersCountMetadata.isVisible = false
-            remainingTimeMetadata.isVisible = false
+        holder.listenersCountMetadata.isVisible = false
+    }
+
+    private fun renderRemainingTime(holder: Holder, remainingTime: Long?) {
+        if (remainingTime != null) {
+            val formattedDuration = TextUtils.formatDurationWithUnits(
+                    holder.view.context,
+                    Duration.ofSeconds(remainingTime.coerceAtLeast(0L))
+            )
+            holder.remainingTimeMetadata.value = holder.view.resources.getString(R.string.voice_broadcast_recording_time_left, formattedDuration)
+            holder.remainingTimeMetadata.isVisible = true
+        } else {
+            holder.remainingTimeMetadata.isVisible = false
         }
     }
 

vector/src/main/java/im/vector/app/features/voicebroadcast/VoiceBroadcastConstants.kt

@@ -28,4 +28,7 @@ object VoiceBroadcastConstants {
 
     /** Default voice broadcast chunk duration, in seconds. */
     const val DEFAULT_CHUNK_LENGTH_IN_SECONDS = 120
+
+    /** Maximum length of the voice broadcast in seconds. */
+    const val MAX_VOICE_BROADCAST_LENGTH_IN_SECONDS = 14_400 // 4 hours
 }

vector/src/main/java/im/vector/app/features/voicebroadcast/recording/VoiceBroadcastRecorder.kt

@@ -22,16 +22,23 @@ import java.io.File
 
 interface VoiceBroadcastRecorder : VoiceRecorder {
 
+    /** The current chunk number. */
     val currentSequence: Int
-    val state: State
 
-    fun startRecord(roomId: String, chunkLength: Int)
+    /** Current state of the recorder. */
+    val recordingState: State
+
+    /** Current remaining time of recording, in seconds, if any. */
+    val currentRemainingTime: Long?
+
+    fun startRecord(roomId: String, chunkLength: Int, maxLength: Int)
     fun addListener(listener: Listener)
     fun removeListener(listener: Listener)
 
     interface Listener {
         fun onVoiceMessageCreated(file: File, @IntRange(from = 1) sequence: Int) = Unit
         fun onStateUpdated(state: State) = Unit
+        fun onRemainingTimeUpdated(remainingTime: Long?) = Unit
     }
 
     enum class State {

vector/src/main/java/im/vector/app/features/voicebroadcast/recording/VoiceBroadcastRecorderQ.kt

@@ -21,9 +21,11 @@ import android.media.MediaRecorder
 import android.os.Build
 import androidx.annotation.RequiresApi
 import im.vector.app.features.voice.AbstractVoiceRecorderQ
+import im.vector.lib.core.utils.timer.CountUpTimer
 import org.matrix.android.sdk.api.extensions.tryOrNull
 import org.matrix.android.sdk.api.session.content.ContentAttachmentData
 import java.util.concurrent.CopyOnWriteArrayList
+import java.util.concurrent.TimeUnit
 
 @RequiresApi(Build.VERSION_CODES.Q)
 class VoiceBroadcastRecorderQ(
@@ -32,13 +34,21 @@ class VoiceBroadcastRecorderQ(
 
     private var maxFileSize = 0L // zero or negative for no limit
     private var currentRoomId: String? = null
+    private var currentMaxLength: Int = 0
+
     override var currentSequence = 0
-    override var state = VoiceBroadcastRecorder.State.Idle
+    override var recordingState = VoiceBroadcastRecorder.State.Idle
         set(value) {
             field = value
             listeners.forEach { it.onStateUpdated(value) }
         }
+    override var currentRemainingTime: Long? = null
+        set(value) {
+            field = value
+            listeners.forEach { it.onRemainingTimeUpdated(value) }
+        }
 
+    private val recordingTicker = RecordingTicker()
     private val listeners = CopyOnWriteArrayList<VoiceBroadcastRecorder.Listener>()
 
     override val outputFormat = MediaRecorder.OutputFormat.MPEG_4
@@ -58,33 +68,47 @@ class VoiceBroadcastRecorderQ(
         }
     }
 
-    override fun startRecord(roomId: String, chunkLength: Int) {
+    override fun startRecord(roomId: String, chunkLength: Int, maxLength: Int) {
         currentRoomId = roomId
         maxFileSize = (chunkLength * audioEncodingBitRate / 8).toLong()
+        currentMaxLength = maxLength
         currentSequence = 1
         startRecord(roomId)
-        state = VoiceBroadcastRecorder.State.Recording
+        recordingState = VoiceBroadcastRecorder.State.Recording
+        recordingTicker.start()
     }
 
     override fun pauseRecord() {
         tryOrNull { mediaRecorder?.stop() }
         mediaRecorder?.reset()
+        recordingState = VoiceBroadcastRecorder.State.Paused
+        recordingTicker.pause()
         notifyOutputFileCreated()
-        state = VoiceBroadcastRecorder.State.Paused
     }
 
     override fun resumeRecord() {
         currentSequence++
         currentRoomId?.let { startRecord(it) }
-        state = VoiceBroadcastRecorder.State.Recording
+        recordingState = VoiceBroadcastRecorder.State.Recording
+        recordingTicker.resume()
     }
 
     override fun stopRecord() {
         super.stopRecord()
+
+        // Stop recording
+        recordingState = VoiceBroadcastRecorder.State.Idle
+        recordingTicker.stop()
         notifyOutputFileCreated()
+
+        // Remove listeners
         listeners.clear()
+
+        // Reset data
         currentSequence = 0
-        state = VoiceBroadcastRecorder.State.Idle
+        currentMaxLength = 0
+        currentRemainingTime = null
+        currentRoomId = null
     }
 
     override fun release() {
@@ -94,7 +118,8 @@ class VoiceBroadcastRecorderQ(
 
     override fun addListener(listener: VoiceBroadcastRecorder.Listener) {
         listeners.add(listener)
-        listener.onStateUpdated(state)
+        listener.onStateUpdated(recordingState)
+        listener.onRemainingTimeUpdated(currentRemainingTime)
     }
 
     override fun removeListener(listener: VoiceBroadcastRecorder.Listener) {
@@ -117,4 +142,53 @@ class VoiceBroadcastRecorderQ(
             nextOutputFile = null
         }
     }
+
+    private fun onElapsedTimeUpdated(elapsedTimeMillis: Long) {
+        currentRemainingTime = if (currentMaxLength > 0 && recordingState != VoiceBroadcastRecorder.State.Idle) {
+            val currentMaxLengthMillis = TimeUnit.SECONDS.toMillis(currentMaxLength.toLong())
+            val remainingTimeMillis = currentMaxLengthMillis - elapsedTimeMillis
+            TimeUnit.MILLISECONDS.toSeconds(remainingTimeMillis)
+        } else {
+            null
+        }
+    }
+
+    private inner class RecordingTicker(
+            private var recordingTicker: CountUpTimer? = null,
+    ) {
+        fun start() {
+            recordingTicker?.stop()
+            recordingTicker = CountUpTimer().apply {
+                tickListener = CountUpTimer.TickListener { onTick(elapsedTime()) }
+                resume()
+                onTick(elapsedTime())
+            }
+        }
+
+        fun pause() {
+            recordingTicker?.apply {
+                pause()
+                onTick(elapsedTime())
+            }
+        }
+
+        fun resume() {
+            recordingTicker?.apply {
+                resume()
+                onTick(elapsedTime())
+            }
+        }
+
+        fun stop() {
+            recordingTicker?.apply {
+                stop()
+                onTick(elapsedTime())
+                recordingTicker = null
+            }
+        }
+
+        private fun onTick(elapsedTimeMillis: Long) {
+            onElapsedTimeUpdated(elapsedTimeMillis)
+        }
+    }
 }

vector/src/main/java/im/vector/app/features/voicebroadcast/recording/usecase/StartVoiceBroadcastUseCase.kt

@@ -20,6 +20,7 @@ import android.content.Context
 import androidx.core.content.FileProvider
 import im.vector.app.core.resources.BuildMeta
 import im.vector.app.features.attachments.toContentAttachmentData
+import im.vector.app.features.session.coroutineScope
 import im.vector.app.features.voicebroadcast.VoiceBroadcastConstants
 import im.vector.app.features.voicebroadcast.VoiceBroadcastFailure
 import im.vector.app.features.voicebroadcast.model.MessageVoiceBroadcastInfoContent
@@ -28,6 +29,7 @@ import im.vector.app.features.voicebroadcast.model.VoiceBroadcastState
 import im.vector.app.features.voicebroadcast.recording.VoiceBroadcastRecorder
 import im.vector.app.features.voicebroadcast.usecase.GetOngoingVoiceBroadcastsUseCase
 import im.vector.lib.multipicker.utils.toMultiPickerAudioType
+import kotlinx.coroutines.launch
 import org.jetbrains.annotations.VisibleForTesting
 import org.matrix.android.sdk.api.query.QueryStringValue
 import org.matrix.android.sdk.api.session.Session
@@ -51,6 +53,7 @@ class StartVoiceBroadcastUseCase @Inject constructor(
         private val context: Context,
         private val buildMeta: BuildMeta,
         private val getOngoingVoiceBroadcastsUseCase: GetOngoingVoiceBroadcastsUseCase,
+        private val stopVoiceBroadcastUseCase: StopVoiceBroadcastUseCase,
 ) {
 
     suspend fun execute(roomId: String): Result<Unit> = runCatching {
@@ -64,7 +67,8 @@ class StartVoiceBroadcastUseCase @Inject constructor(
 
     private suspend fun startVoiceBroadcast(room: Room) {
         Timber.d("## StartVoiceBroadcastUseCase: Send new voice broadcast info state event")
-        val chunkLength = VoiceBroadcastConstants.DEFAULT_CHUNK_LENGTH_IN_SECONDS // Todo Get the length from the room settings
+        val chunkLength = VoiceBroadcastConstants.DEFAULT_CHUNK_LENGTH_IN_SECONDS // Todo Get the chunk length from the room settings
+        val maxLength = VoiceBroadcastConstants.MAX_VOICE_BROADCAST_LENGTH_IN_SECONDS // Todo Get the max length from the room settings
         val eventId = room.stateService().sendStateEvent(
                 eventType = VoiceBroadcastConstants.STATE_ROOM_VOICE_BROADCAST_INFO,
                 stateKey = session.myUserId,
@@ -75,16 +79,22 @@ class StartVoiceBroadcastUseCase @Inject constructor(
                 ).toContent()
         )
 
-        startRecording(room, eventId, chunkLength)
+        startRecording(room, eventId, chunkLength, maxLength)
     }
 
-    private fun startRecording(room: Room, eventId: String, chunkLength: Int) {
+    private fun startRecording(room: Room, eventId: String, chunkLength: Int, maxLength: Int) {
         voiceBroadcastRecorder?.addListener(object : VoiceBroadcastRecorder.Listener {
             override fun onVoiceMessageCreated(file: File, sequence: Int) {
                 sendVoiceFile(room, file, eventId, sequence)
             }
+
+            override fun onRemainingTimeUpdated(remainingTime: Long?) {
+                if (remainingTime != null && remainingTime <= 0) {
+                    session.coroutineScope.launch { stopVoiceBroadcastUseCase.execute(room.roomId) }
+                }
+            }
         })
-        voiceBroadcastRecorder?.startRecord(room.roomId, chunkLength)
+        voiceBroadcastRecorder?.startRecord(room.roomId, chunkLength, maxLength)
     }
 
     private fun sendVoiceFile(room: Room, voiceMessageFile: File, referenceEventId: String, sequence: Int) {
@@ -127,7 +137,8 @@ class StartVoiceBroadcastUseCase @Inject constructor(
     @VisibleForTesting
     fun assertNoOngoingVoiceBroadcast(room: Room) {
         when {
-            voiceBroadcastRecorder?.state == VoiceBroadcastRecorder.State.Recording || voiceBroadcastRecorder?.state == VoiceBroadcastRecorder.State.Paused -> {
+            voiceBroadcastRecorder?.recordingState == VoiceBroadcastRecorder.State.Recording ||
+                    voiceBroadcastRecorder?.recordingState == VoiceBroadcastRecorder.State.Paused -> {
                 Timber.d("## StartVoiceBroadcastUseCase: Cannot start voice broadcast: another voice broadcast")
                 throw VoiceBroadcastFailure.RecordingError.UserAlreadyBroadcasting
             }

vector/src/test/java/im/vector/app/features/voicebroadcast/usecase/StartVoiceBroadcastUseCaseTest.kt

@@ -60,14 +60,15 @@ class StartVoiceBroadcastUseCaseTest {
                     context = FakeContext().instance,
                     buildMeta = mockk(),
                     getOngoingVoiceBroadcastsUseCase = fakeGetOngoingVoiceBroadcastsUseCase,
+                    stopVoiceBroadcastUseCase = mockk()
             )
     )
 
     @Before
     fun setup() {
         every { fakeRoom.roomId } returns A_ROOM_ID
         justRun { startVoiceBroadcastUseCase.assertHasEnoughPowerLevels(fakeRoom) }
-        every { fakeVoiceBroadcastRecorder.state } returns VoiceBroadcastRecorder.State.Idle
+        every { fakeVoiceBroadcastRecorder.recordingState } returns VoiceBroadcastRecorder.State.Idle
     }
 
     @Test