[Voice messages] Add voice recording UI (#1546)

---------

Co-authored-by: ElementBot <benoitm+elementbot@element.io>

features/location/impl/src/test/kotlin/io/element/android/features/location/impl/send/SendLocationPresenterTest.kt

@@ -33,7 +33,7 @@ import io.element.android.libraries.matrix.api.room.location.AssetType
 import io.element.android.libraries.matrix.test.core.aBuildMeta
 import io.element.android.libraries.matrix.test.room.FakeMatrixRoom
 import io.element.android.libraries.matrix.test.room.SendLocationInvocation
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import io.element.android.services.analytics.test.FakeAnalyticsService
 import io.element.android.tests.testutils.WarmUpRule
 import kotlinx.coroutines.delay

features/messages/api/src/main/kotlin/io/element/android/features/messages/api/MessageComposerContext.kt

@@ -16,7 +16,7 @@
 
 package io.element.android.features.messages.api
 
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 
 /**
  * Hoist-able state of the message composer.

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/MessagesPresenter.kt

@@ -55,6 +55,7 @@ import io.element.android.features.messages.impl.timeline.model.event.TimelineIt
 import io.element.android.features.messages.impl.timeline.model.event.TimelineItemUnknownContent
 import io.element.android.features.messages.impl.timeline.model.event.TimelineItemVideoContent
 import io.element.android.features.messages.impl.utils.messagesummary.MessageSummaryFormatter
+import io.element.android.features.messages.impl.voicemessages.VoiceMessageComposerPresenter
 import io.element.android.features.networkmonitor.api.NetworkMonitor
 import io.element.android.features.networkmonitor.api.NetworkStatus
 import io.element.android.features.preferences.api.store.PreferencesStore
@@ -67,6 +68,8 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.designsystem.utils.snackbar.SnackbarDispatcher
 import io.element.android.libraries.designsystem.utils.snackbar.SnackbarMessage
 import io.element.android.libraries.designsystem.utils.snackbar.collectSnackbarMessageAsState
+import io.element.android.libraries.featureflag.api.FeatureFlagService
+import io.element.android.libraries.featureflag.api.FeatureFlags
 import io.element.android.libraries.matrix.api.core.EventId
 import io.element.android.libraries.matrix.api.room.MatrixRoom
 import io.element.android.libraries.matrix.api.room.MatrixRoomMembersState
@@ -75,7 +78,7 @@ import io.element.android.libraries.matrix.ui.components.AttachmentThumbnailInfo
 import io.element.android.libraries.matrix.ui.components.AttachmentThumbnailType
 import io.element.android.libraries.matrix.ui.room.canRedactAsState
 import io.element.android.libraries.matrix.ui.room.canSendMessageAsState
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -84,6 +87,7 @@ import timber.log.Timber
 class MessagesPresenter @AssistedInject constructor(
     private val room: MatrixRoom,
     private val composerPresenter: MessageComposerPresenter,
+    private val voiceMessageComposerPresenter: VoiceMessageComposerPresenter,
     private val timelinePresenter: TimelinePresenter,
     private val actionListPresenter: ActionListPresenter,
     private val customReactionPresenter: CustomReactionPresenter,
@@ -95,6 +99,7 @@ class MessagesPresenter @AssistedInject constructor(
     private val dispatchers: CoroutineDispatchers,
     private val clipboardHelper: ClipboardHelper,
     private val preferencesStore: PreferencesStore,
+    private val featureFlagsService: FeatureFlagService,
     @Assisted private val navigator: MessagesNavigator,
 ) : Presenter<MessagesState> {
 
@@ -107,6 +112,7 @@ class MessagesPresenter @AssistedInject constructor(
     override fun present(): MessagesState {
         val localCoroutineScope = rememberCoroutineScope()
         val composerState = composerPresenter.present()
+        val voiceMessageComposerState = voiceMessageComposerPresenter.present()
         val timelineState = timelinePresenter.present()
         val actionListState = actionListPresenter.present()
         val customReactionState = customReactionPresenter.present()
@@ -145,6 +151,11 @@ class MessagesPresenter @AssistedInject constructor(
 
         val enableTextFormatting by preferencesStore.isRichTextEditorEnabledFlow().collectAsState(initial = true)
 
+        var enableVoiceMessages by remember { mutableStateOf(false) }
+        LaunchedEffect(featureFlagsService) {
+            enableVoiceMessages = featureFlagsService.isFeatureEnabled(FeatureFlags.VoiceMessages)
+        }
+
         fun handleEvents(event: MessagesEvents) {
             when (event) {
                 is MessagesEvents.HandleAction -> {
@@ -177,6 +188,7 @@ class MessagesPresenter @AssistedInject constructor(
             userHasPermissionToSendMessage = userHasPermissionToSendMessage,
             userHasPermissionToRedact = userHasPermissionToRedact,
             composerState = composerState,
+            voiceMessageComposerState = voiceMessageComposerState,
             timelineState = timelineState,
             actionListState = actionListState,
             customReactionState = customReactionState,
@@ -187,6 +199,7 @@ class MessagesPresenter @AssistedInject constructor(
             showReinvitePrompt = showReinvitePrompt,
             inviteProgress = inviteProgress.value,
             enableTextFormatting = enableTextFormatting,
+            enableVoiceMessages = enableVoiceMessages,
             eventSink = { handleEvents(it) }
         )
     }

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/MessagesState.kt

@@ -23,6 +23,7 @@ import io.element.android.features.messages.impl.timeline.TimelineState
 import io.element.android.features.messages.impl.timeline.components.customreaction.CustomReactionState
 import io.element.android.features.messages.impl.timeline.components.reactionsummary.ReactionSummaryState
 import io.element.android.features.messages.impl.timeline.components.retrysendmenu.RetrySendMenuState
+import io.element.android.features.messages.impl.voicemessages.VoiceMessageComposerState
 import io.element.android.libraries.architecture.Async
 import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.designsystem.utils.snackbar.SnackbarMessage
@@ -36,6 +37,7 @@ data class MessagesState(
     val userHasPermissionToSendMessage: Boolean,
     val userHasPermissionToRedact: Boolean,
     val composerState: MessageComposerState,
+    val voiceMessageComposerState: VoiceMessageComposerState,
     val timelineState: TimelineState,
     val actionListState: ActionListState,
     val customReactionState: CustomReactionState,
@@ -46,5 +48,6 @@ data class MessagesState(
     val inviteProgress: Async<Unit>,
     val showReinvitePrompt: Boolean,
     val enableTextFormatting: Boolean,
+    val enableVoiceMessages: Boolean,
     val eventSink: (MessagesEvents) -> Unit
 )

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/MessagesStateProvider.kt

@@ -25,11 +25,12 @@ import io.element.android.features.messages.impl.timeline.components.customreact
 import io.element.android.features.messages.impl.timeline.components.reactionsummary.ReactionSummaryState
 import io.element.android.features.messages.impl.timeline.components.retrysendmenu.RetrySendMenuState
 import io.element.android.features.messages.impl.timeline.model.event.aTimelineItemTextContent
+import io.element.android.features.messages.impl.voicemessages.aVoiceMessageComposerState
 import io.element.android.libraries.architecture.Async
 import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.matrix.api.core.RoomId
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import io.element.android.wysiwyg.compose.RichTextEditorState
 import kotlinx.collections.immutable.persistentSetOf
 
@@ -60,6 +61,7 @@ fun aMessagesState() = MessagesState(
         isFullScreen = false,
         mode = MessageComposerMode.Normal("Hello"),
     ),
+    voiceMessageComposerState = aVoiceMessageComposerState(),
     timelineState = aTimelineState().copy(
         timelineItems = aTimelineItemList(aTimelineItemTextContent()),
     ),
@@ -82,5 +84,6 @@ fun aMessagesState() = MessagesState(
     inviteProgress = Async.Uninitialized,
     showReinvitePrompt = false,
     enableTextFormatting = true,
+    enableVoiceMessages = true,
     eventSink = {}
 )

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/MessagesView.kt

@@ -317,8 +317,10 @@ private fun MessagesViewContent(
                 if (state.userHasPermissionToSendMessage) {
                     MessageComposerView(
                         state = state.composerState,
+                        voiceMessageState = state.voiceMessageComposerState,
                         subcomposing = subcomposing,
                         enableTextFormatting = state.enableTextFormatting,
+                        enableVoiceMessages = state.enableVoiceMessages,
                         modifier = Modifier
                             .fillMaxWidth(),
                     )

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/messagecomposer/MessageComposerContextImpl.kt

@@ -23,7 +23,7 @@ import com.squareup.anvil.annotations.ContributesBinding
 import io.element.android.features.messages.api.MessageComposerContext
 import io.element.android.libraries.di.RoomScope
 import io.element.android.libraries.di.SingleIn
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import javax.inject.Inject
 
 @SingleIn(RoomScope::class)

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/messagecomposer/MessageComposerEvents.kt

@@ -17,8 +17,8 @@
 package io.element.android.features.messages.impl.messagecomposer
 
 import androidx.compose.runtime.Immutable
-import io.element.android.libraries.textcomposer.Message
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.Message
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 
 @Immutable
 sealed interface MessageComposerEvents {

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/messagecomposer/MessageComposerPresenter.kt

@@ -47,8 +47,8 @@ import io.element.android.libraries.mediapickers.api.PickerProvider
 import io.element.android.libraries.mediaupload.api.MediaSender
 import io.element.android.libraries.permissions.api.PermissionsEvents
 import io.element.android.libraries.permissions.api.PermissionsPresenter
-import io.element.android.libraries.textcomposer.Message
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.Message
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import io.element.android.services.analytics.api.AnalyticsService
 import io.element.android.wysiwyg.compose.RichTextEditorState
 import kotlinx.collections.immutable.persistentListOf

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/messagecomposer/MessageComposerState.kt

@@ -19,7 +19,7 @@ package io.element.android.features.messages.impl.messagecomposer
 import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.Stable
 import io.element.android.features.messages.impl.attachments.Attachment
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import io.element.android.wysiwyg.compose.RichTextEditorState
 import kotlinx.collections.immutable.ImmutableList
 

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/messagecomposer/MessageComposerStateProvider.kt

@@ -17,7 +17,7 @@
 package io.element.android.features.messages.impl.messagecomposer
 
 import androidx.compose.ui.tooling.preview.PreviewParameterProvider
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import io.element.android.wysiwyg.compose.RichTextEditorState
 
 open class MessageComposerStateProvider : PreviewParameterProvider<MessageComposerState> {

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/messagecomposer/MessageComposerView.kt

@@ -24,17 +24,24 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.unit.dp
+import io.element.android.features.messages.impl.voicemessages.VoiceMessageComposerEvents
+import io.element.android.features.messages.impl.voicemessages.VoiceMessageComposerState
+import io.element.android.features.messages.impl.voicemessages.VoiceMessageComposerStateProvider
+import io.element.android.features.messages.impl.voicemessages.aVoiceMessageComposerState
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
 import io.element.android.libraries.designsystem.preview.ElementPreview
-import io.element.android.libraries.textcomposer.Message
+import io.element.android.libraries.textcomposer.model.Message
 import io.element.android.libraries.textcomposer.TextComposer
+import io.element.android.libraries.textcomposer.model.PressEvent
 import kotlinx.coroutines.launch
 
 @Composable
-fun MessageComposerView(
+internal fun MessageComposerView(
     state: MessageComposerState,
+    voiceMessageState: VoiceMessageComposerState,
     subcomposing: Boolean,
     enableTextFormatting: Boolean,
+    enableVoiceMessages: Boolean,
     modifier: Modifier = Modifier,
 ) {
     fun sendMessage(message: Message) {
@@ -64,9 +71,14 @@ fun MessageComposerView(
         }
     }
 
+    fun onVoiceRecordButtonEvent(press: PressEvent) {
+        voiceMessageState.eventSink(VoiceMessageComposerEvents.RecordButtonEvent(press))
+    }
+
     TextComposer(
         modifier = modifier,
         state = state.richTextEditorState,
+        voiceMessageState = voiceMessageState.voiceMessageState,
         subcomposing = subcomposing,
         onRequestFocus = ::onRequestFocus,
         onSendMessage = ::sendMessage,
@@ -76,24 +88,49 @@ fun MessageComposerView(
         onAddAttachment = ::onAddAttachment,
         onDismissTextFormatting = ::onDismissTextFormatting,
         enableTextFormatting = enableTextFormatting,
+        enableVoiceMessages = enableVoiceMessages,
+        onVoiceRecordButtonEvent = ::onVoiceRecordButtonEvent,
         onError = ::onError,
     )
 }
 
 @PreviewsDayNight
 @Composable
-internal fun MessageComposerViewPreview(@PreviewParameter(MessageComposerStateProvider::class) state: MessageComposerState) = ElementPreview {
+internal fun MessageComposerViewPreview(
+    @PreviewParameter(MessageComposerStateProvider::class) state: MessageComposerState,
+) = ElementPreview {
     Column {
         MessageComposerView(
             modifier = Modifier.height(IntrinsicSize.Min),
             state = state,
+            voiceMessageState = aVoiceMessageComposerState(),
             enableTextFormatting = true,
+            enableVoiceMessages = true,
             subcomposing = false,
         )
         MessageComposerView(
             modifier = Modifier.height(200.dp),
             state = state,
+            voiceMessageState = aVoiceMessageComposerState(),
             enableTextFormatting = true,
+            enableVoiceMessages = true,
+            subcomposing = false,
+        )
+    }
+}
+
+@PreviewsDayNight
+@Composable
+internal fun MessageComposerViewVoicePreview(
+    @PreviewParameter(VoiceMessageComposerStateProvider::class) state: VoiceMessageComposerState,
+) = ElementPreview {
+    Column {
+        MessageComposerView(
+            modifier = Modifier.height(IntrinsicSize.Min),
+            state = aMessageComposerState(),
+            voiceMessageState = state,
+            enableTextFormatting = true,
+            enableVoiceMessages = true,
             subcomposing = false,
         )
     }

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/voicemessages/VoiceMessageComposerEvents.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.messages.impl.voicemessages
+
+import io.element.android.libraries.textcomposer.model.PressEvent
+
+sealed class VoiceMessageComposerEvents {
+    data class RecordButtonEvent(
+        val pressEvent: PressEvent
+    ): VoiceMessageComposerEvents()
+}

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/voicemessages/VoiceMessageComposerPresenter.kt

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.messages.impl.voicemessages
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import io.element.android.libraries.architecture.Presenter
+import io.element.android.libraries.di.RoomScope
+import io.element.android.libraries.di.SingleIn
+import io.element.android.libraries.textcomposer.model.PressEvent
+import io.element.android.libraries.textcomposer.model.VoiceMessageState
+import javax.inject.Inject
+
+@SingleIn(RoomScope::class)
+class VoiceMessageComposerPresenter @Inject constructor() : Presenter<VoiceMessageComposerState> {
+    @Composable
+    override fun present(): VoiceMessageComposerState {
+        var voiceMessageState by remember { mutableStateOf<VoiceMessageState>(VoiceMessageState.Idle) }
+
+        fun onRecordButtonPress(event: VoiceMessageComposerEvents.RecordButtonEvent) = when(event.pressEvent) {
+            PressEvent.PressStart ->  {
+                // TODO start the recording
+                voiceMessageState = VoiceMessageState.Recording
+            }
+            PressEvent.LongPressEnd -> {
+                // TODO finish the recording
+                voiceMessageState = VoiceMessageState.Idle
+            }
+            PressEvent.Tapped -> {
+                // TODO discard the recording and show the 'hold to record' tooltip
+                voiceMessageState = VoiceMessageState.Idle
+            }
+        }
+
+
+        fun handleEvents(event: VoiceMessageComposerEvents) {
+            when (event) {
+                is VoiceMessageComposerEvents.RecordButtonEvent -> onRecordButtonPress(event)
+            }
+        }
+
+        return VoiceMessageComposerState(
+            voiceMessageState = voiceMessageState,
+            eventSink = { handleEvents(it) }
+        )
+    }
+}

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/voicemessages/VoiceMessageComposerState.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.messages.impl.voicemessages
+
+import androidx.compose.runtime.Stable
+import io.element.android.libraries.textcomposer.model.VoiceMessageState
+
+@Stable
+data class VoiceMessageComposerState(
+    val voiceMessageState: VoiceMessageState,
+    val eventSink: (VoiceMessageComposerEvents) -> Unit,
+)
+

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/voicemessages/VoiceMessageComposerStateProvider.kt

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.messages.impl.voicemessages
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import io.element.android.libraries.textcomposer.model.VoiceMessageState
+
+internal open class VoiceMessageComposerStateProvider : PreviewParameterProvider<VoiceMessageComposerState> {
+    override val values: Sequence<VoiceMessageComposerState>
+        get() = sequenceOf(
+            aVoiceMessageComposerState(voiceMessageState = VoiceMessageState.Recording),
+        )
+}
+
+internal fun aVoiceMessageComposerState(
+    voiceMessageState: VoiceMessageState = VoiceMessageState.Idle,
+) = VoiceMessageComposerState(
+    voiceMessageState = voiceMessageState,
+    eventSink = {},
+)

features/messages/impl/src/test/kotlin/io/element/android/features/messages/MessagesPresenterTest.kt

@@ -40,6 +40,7 @@ import io.element.android.features.messages.impl.timeline.model.event.TimelineIt
 import io.element.android.features.messages.impl.timeline.model.event.TimelineItemImageContent
 import io.element.android.features.messages.impl.timeline.model.event.TimelineItemTextContent
 import io.element.android.features.messages.impl.timeline.model.event.TimelineItemVideoContent
+import io.element.android.features.messages.impl.voicemessages.VoiceMessageComposerPresenter
 import io.element.android.features.messages.media.FakeLocalMediaFactory
 import io.element.android.features.messages.textcomposer.TestRichTextEditorStateFactory
 import io.element.android.features.messages.timeline.components.customreaction.FakeEmojibaseProvider
@@ -73,7 +74,7 @@ import io.element.android.libraries.mediaupload.test.FakeMediaPreProcessor
 import io.element.android.libraries.permissions.api.PermissionsPresenter
 import io.element.android.libraries.permissions.test.FakePermissionsPresenter
 import io.element.android.libraries.permissions.test.FakePermissionsPresenterFactory
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import io.element.android.services.analytics.test.FakeAnalyticsService
 import io.element.android.tests.testutils.WarmUpRule
 import io.element.android.tests.testutils.consumeItemsUntilPredicate
@@ -619,6 +620,7 @@ class MessagesPresenterTest {
             richTextEditorStateFactory = TestRichTextEditorStateFactory(),
             permissionsPresenterFactory = FakePermissionsPresenterFactory(permissionsPresenter),
         )
+        val voiceMessageComposerPresenter = VoiceMessageComposerPresenter()
         val timelinePresenter = TimelinePresenter(
             timelineItemsFactory = aTimelineItemsFactory(),
             room = matrixRoom,
@@ -634,6 +636,7 @@ class MessagesPresenterTest {
         return MessagesPresenter(
             room = matrixRoom,
             composerPresenter = messageComposerPresenter,
+            voiceMessageComposerPresenter = voiceMessageComposerPresenter,
             timelinePresenter = timelinePresenter,
             actionListPresenter = actionListPresenter,
             customReactionPresenter = customReactionPresenter,
@@ -645,6 +648,7 @@ class MessagesPresenterTest {
             navigator = navigator,
             clipboardHelper = clipboardHelper,
             preferencesStore = preferencesStore,
+            featureFlagsService = FakeFeatureFlagService(),
             dispatchers = coroutineDispatchers,
         )
     }

features/messages/impl/src/test/kotlin/io/element/android/features/messages/textcomposer/MessageComposerPresenterTest.kt

@@ -58,8 +58,8 @@ import io.element.android.libraries.mediaupload.test.FakeMediaPreProcessor
 import io.element.android.libraries.permissions.api.PermissionsPresenter
 import io.element.android.libraries.permissions.test.FakePermissionsPresenter
 import io.element.android.libraries.permissions.test.FakePermissionsPresenterFactory
-import io.element.android.libraries.textcomposer.Message
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.Message
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import io.element.android.services.analytics.test.FakeAnalyticsService
 import io.element.android.tests.testutils.WarmUpRule
 import io.element.android.tests.testutils.waitForPredicate

features/messages/impl/src/test/kotlin/io/element/android/features/messages/voicemessages/VoiceMessageComposerPresenterTest.kt

@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@file:OptIn(ExperimentalCoroutinesApi::class)
+
+package io.element.android.features.messages.voicemessages
+
+import app.cash.molecule.RecompositionMode
+import app.cash.molecule.moleculeFlow
+import app.cash.turbine.test
+import com.google.common.truth.Truth.assertThat
+import io.element.android.features.messages.impl.voicemessages.VoiceMessageComposerEvents
+import io.element.android.features.messages.impl.voicemessages.VoiceMessageComposerPresenter
+import io.element.android.libraries.textcomposer.model.PressEvent
+import io.element.android.libraries.textcomposer.model.VoiceMessageState
+import io.element.android.tests.testutils.WarmUpRule
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.runTest
+import org.junit.Rule
+import org.junit.Test
+
+class VoiceMessageComposerPresenterTest {
+
+    @get:Rule
+    val warmUpRule = WarmUpRule()
+
+    @Test
+    fun `present - initial state`() = runTest {
+        val presenter = createPresenter()
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            assertThat(initialState.voiceMessageState).isEqualTo(VoiceMessageState.Idle)
+        }
+    }
+
+    @Test
+    fun `present - recording state`() = runTest {
+        val presenter = createPresenter()
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            awaitItem().eventSink(VoiceMessageComposerEvents.RecordButtonEvent(PressEvent.PressStart))
+
+            assertThat(awaitItem().voiceMessageState).isEqualTo(VoiceMessageState.Recording)
+        }
+    }
+
+    @Test
+    fun `present - abort recording`() = runTest {
+        val presenter = createPresenter()
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            awaitItem().eventSink(VoiceMessageComposerEvents.RecordButtonEvent(PressEvent.PressStart))
+            awaitItem().eventSink(VoiceMessageComposerEvents.RecordButtonEvent(PressEvent.Tapped))
+
+            assertThat(awaitItem().voiceMessageState).isEqualTo(VoiceMessageState.Idle)
+        }
+    }
+
+    @Test
+    fun `present - finish recording`() = runTest {
+        val presenter = createPresenter()
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            awaitItem().eventSink(VoiceMessageComposerEvents.RecordButtonEvent(PressEvent.PressStart))
+            awaitItem().eventSink(VoiceMessageComposerEvents.RecordButtonEvent(PressEvent.LongPressEnd))
+
+            assertThat(awaitItem().voiceMessageState).isEqualTo(VoiceMessageState.Idle)
+        }
+    }
+    private fun createPresenter() = VoiceMessageComposerPresenter()
+}

features/messages/test/src/main/kotlin/io/element/android/features/messages/test/MessageComposerContextFake.kt

@@ -17,7 +17,7 @@
 package io.element.android.features.messages.test
 
 import io.element.android.features.messages.api.MessageComposerContext
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 
 class MessageComposerContextFake(
     override var composerMode: MessageComposerMode = MessageComposerMode.Normal(null)

libraries/textcomposer/impl/build.gradle.kts

@@ -37,4 +37,8 @@ dependencies {
     api(libs.matrix.richtexteditor.compose)
 
     ksp(libs.showkase.processor)
+
+    testImplementation(libs.test.junit)
+    testImplementation(libs.test.truth)
+    testImplementation(libs.coroutines.test)
 }

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/TextComposer.kt

@@ -37,6 +37,8 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.ripple.rememberRipple
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -45,8 +47,8 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
-import io.element.android.libraries.designsystem.preview.PreviewsDayNight
 import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
 import io.element.android.libraries.designsystem.text.applyScaleUp
 import io.element.android.libraries.designsystem.theme.components.Icon
 import io.element.android.libraries.designsystem.theme.components.Text
@@ -61,9 +63,15 @@ import io.element.android.libraries.testtags.TestTags
 import io.element.android.libraries.testtags.testTag
 import io.element.android.libraries.textcomposer.components.ComposerOptionsButton
 import io.element.android.libraries.textcomposer.components.DismissTextFormattingButton
+import io.element.android.libraries.textcomposer.components.RecordButton
+import io.element.android.libraries.textcomposer.components.RecordingProgress
 import io.element.android.libraries.textcomposer.components.SendButton
 import io.element.android.libraries.textcomposer.components.TextFormatting
 import io.element.android.libraries.textcomposer.components.textInputRoundedCornerShape
+import io.element.android.libraries.textcomposer.model.Message
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.PressEvent
+import io.element.android.libraries.textcomposer.model.VoiceMessageState
 import io.element.android.libraries.theme.ElementTheme
 import io.element.android.libraries.ui.strings.CommonStrings
 import io.element.android.wysiwyg.compose.RichTextEditor
@@ -74,8 +82,10 @@ import kotlinx.collections.immutable.persistentListOf
 @Composable
 fun TextComposer(
     state: RichTextEditorState,
+    voiceMessageState: VoiceMessageState,
     composerMode: MessageComposerMode,
     enableTextFormatting: Boolean,
+    enableVoiceMessages: Boolean,
     modifier: Modifier = Modifier,
     showTextFormatting: Boolean = false,
     subcomposing: Boolean = false,
@@ -84,6 +94,7 @@ fun TextComposer(
     onResetComposerMode: () -> Unit = {},
     onAddAttachment: () -> Unit = {},
     onDismissTextFormatting: () -> Unit = {},
+    onVoiceRecordButtonEvent: (PressEvent) -> Unit = {},
     onError: (Throwable) -> Unit = {},
 ) {
     val onSendClicked = {
@@ -118,16 +129,34 @@ fun TextComposer(
         )
     }
 
+    val canSendMessage by remember { derivedStateOf { state.messageHtml.isNotEmpty() } }
     val sendButton = @Composable {
         SendButton(
-            canSendMessage = state.messageHtml.isNotEmpty(),
+            canSendMessage = canSendMessage,
             onClick = onSendClicked,
             composerMode = composerMode,
         )
     }
+    val recordButton = @Composable {
+        RecordButton(
+            onPressStart = { onVoiceRecordButtonEvent(PressEvent.PressStart) },
+            onLongPressEnd = { onVoiceRecordButtonEvent(PressEvent.LongPressEnd) },
+            onTap = { onVoiceRecordButtonEvent(PressEvent.Tapped) },
+        )
+    }
 
     val textFormattingOptions = @Composable { TextFormatting(state = state) }
 
+    val sendOrRecordButton = if (canSendMessage || !enableVoiceMessages) {
+        sendButton
+    } else {
+        recordButton
+    }
+
+    val recordingProgress = @Composable {
+        RecordingProgress()
+    }
+
     if (showTextFormatting) {
         TextFormattingLayout(
             modifier = layoutModifier,
@@ -136,14 +165,16 @@ fun TextComposer(
                 DismissTextFormattingButton(onClick = onDismissTextFormatting)
             },
             textFormatting = textFormattingOptions,
-            sendButton = sendButton
+            sendButton = sendButton,
         )
     } else {
         StandardLayout(
+            voiceMessageState = voiceMessageState,
             modifier = layoutModifier,
             composerOptionsButton = composerOptionsButton,
             textInput = textInput,
-            sendButton = sendButton
+            endButton = sendOrRecordButton,
+            recordingProgress = recordingProgress,
         )
     }
 
@@ -158,33 +189,45 @@ fun TextComposer(
 
 @Composable
 private fun StandardLayout(
+    voiceMessageState: VoiceMessageState,
     textInput: @Composable () -> Unit,
     composerOptionsButton: @Composable () -> Unit,
-    sendButton: @Composable () -> Unit,
+    recordingProgress: @Composable () -> Unit,
+    endButton: @Composable () -> Unit,
     modifier: Modifier = Modifier,
 ) {
     Row(
         modifier = modifier,
         verticalAlignment = Alignment.Bottom,
     ) {
-        Box(
-            Modifier
-                .padding(bottom = 5.dp, top = 5.dp, start = 3.dp)
-        ) {
-            composerOptionsButton()
-        }
-        Box(
-            modifier = Modifier
-                .padding(bottom = 8.dp, top = 8.dp)
-                .weight(1f)
-        ) {
-            textInput()
+        if (voiceMessageState is VoiceMessageState.Recording) {
+            Box(
+                modifier = Modifier
+                    .padding(start = 16.dp, bottom = 8.dp, top = 8.dp)
+                    .weight(1f)
+            ) {
+                recordingProgress()
+            }
+        } else {
+            Box(
+                Modifier
+                    .padding(bottom = 5.dp, top = 5.dp, start = 3.dp)
+            ) {
+                composerOptionsButton()
+            }
+            Box(
+                modifier = Modifier
+                    .padding(bottom = 8.dp, top = 8.dp)
+                    .weight(1f)
+            ) {
+                textInput()
+            }
         }
         Box(
             Modifier
                 .padding(bottom = 5.dp, top = 5.dp, end = 6.dp, start = 6.dp)
         ) {
-            sendButton()
+            endButton()
         }
     }
 }
@@ -438,18 +481,22 @@ internal fun TextComposerSimplePreview() = ElementPreview {
         {
             TextComposer(
                 RichTextEditorState("", initialFocus = true),
+                voiceMessageState = VoiceMessageState.Idle,
                 onSendMessage = {},
                 composerMode = MessageComposerMode.Normal(""),
                 onResetComposerMode = {},
                 enableTextFormatting = true,
+                enableVoiceMessages = true,
             )
         }, {
         TextComposer(
             RichTextEditorState("A message", initialFocus = true),
+            voiceMessageState = VoiceMessageState.Idle,
             onSendMessage = {},
             composerMode = MessageComposerMode.Normal(""),
             onResetComposerMode = {},
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     }, {
         TextComposer(
@@ -457,18 +504,22 @@ internal fun TextComposerSimplePreview() = ElementPreview {
                 "A message\nWith several lines\nTo preview larger textfields and long lines with overflow",
                 initialFocus = true
             ),
+            voiceMessageState = VoiceMessageState.Idle,
             onSendMessage = {},
             composerMode = MessageComposerMode.Normal(""),
             onResetComposerMode = {},
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     }, {
         TextComposer(
             RichTextEditorState("A message without focus", initialFocus = false),
+            voiceMessageState = VoiceMessageState.Idle,
             onSendMessage = {},
             composerMode = MessageComposerMode.Normal(""),
             onResetComposerMode = {},
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     })
     )
@@ -480,23 +531,29 @@ internal fun TextComposerFormattingPreview() = ElementPreview {
     PreviewColumn(items = persistentListOf({
         TextComposer(
             RichTextEditorState("", initialFocus = false),
+            voiceMessageState = VoiceMessageState.Idle,
             showTextFormatting = true,
             composerMode = MessageComposerMode.Normal(""),
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     }, {
         TextComposer(
             RichTextEditorState("A message", initialFocus = false),
+            voiceMessageState = VoiceMessageState.Idle,
             showTextFormatting = true,
             composerMode = MessageComposerMode.Normal(""),
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     }, {
         TextComposer(
             RichTextEditorState("A message\nWith several lines\nTo preview larger textfields and long lines with overflow", initialFocus = false),
+            voiceMessageState = VoiceMessageState.Idle,
             showTextFormatting = true,
             composerMode = MessageComposerMode.Normal(""),
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     }))
 }
@@ -507,10 +564,12 @@ internal fun TextComposerEditPreview() = ElementPreview {
     PreviewColumn(items = persistentListOf({
         TextComposer(
             RichTextEditorState("A message", initialFocus = true),
+            voiceMessageState = VoiceMessageState.Idle,
             onSendMessage = {},
             composerMode = MessageComposerMode.Edit(EventId("$1234"), "Some text", TransactionId("1234")),
             onResetComposerMode = {},
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     }))
 }
@@ -521,6 +580,7 @@ internal fun TextComposerReplyPreview() = ElementPreview {
     PreviewColumn(items = persistentListOf({
         TextComposer(
             RichTextEditorState(""),
+            voiceMessageState = VoiceMessageState.Idle,
             onSendMessage = {},
             composerMode = MessageComposerMode.Reply(
                 isThreaded = false,
@@ -533,11 +593,13 @@ internal fun TextComposerReplyPreview() = ElementPreview {
             ),
             onResetComposerMode = {},
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     },
         {
             TextComposer(
                 RichTextEditorState(""),
+                voiceMessageState = VoiceMessageState.Idle,
                 onSendMessage = {},
                 composerMode = MessageComposerMode.Reply(
                     isThreaded = true,
@@ -550,10 +612,12 @@ internal fun TextComposerReplyPreview() = ElementPreview {
                 ),
                 onResetComposerMode = {},
                 enableTextFormatting = true,
+                enableVoiceMessages = true,
             )
         }, {
         TextComposer(
             RichTextEditorState("A message"),
+            voiceMessageState = VoiceMessageState.Idle,
             onSendMessage = {},
             composerMode = MessageComposerMode.Reply(
                 isThreaded = true,
@@ -569,10 +633,12 @@ internal fun TextComposerReplyPreview() = ElementPreview {
             ),
             onResetComposerMode = {},
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     }, {
         TextComposer(
             RichTextEditorState("A message"),
+            voiceMessageState = VoiceMessageState.Idle,
             onSendMessage = {},
             composerMode = MessageComposerMode.Reply(
                 isThreaded = false,
@@ -588,10 +654,12 @@ internal fun TextComposerReplyPreview() = ElementPreview {
             ),
             onResetComposerMode = {},
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     }, {
         TextComposer(
             RichTextEditorState("A message"),
+            voiceMessageState = VoiceMessageState.Idle,
             onSendMessage = {},
             composerMode = MessageComposerMode.Reply(
                 isThreaded = false,
@@ -607,10 +675,12 @@ internal fun TextComposerReplyPreview() = ElementPreview {
             ),
             onResetComposerMode = {},
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     }, {
         TextComposer(
             RichTextEditorState("A message", initialFocus = true),
+            voiceMessageState = VoiceMessageState.Idle,
             onSendMessage = {},
             composerMode = MessageComposerMode.Reply(
                 isThreaded = false,
@@ -626,6 +696,7 @@ internal fun TextComposerReplyPreview() = ElementPreview {
             ),
             onResetComposerMode = {},
             enableTextFormatting = true,
+            enableVoiceMessages = true,
         )
     })
     )

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/components/RecordButton.kt

@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.textcomposer.components
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.size
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.pointer.PointerEventType
+import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.text.applyScaleUp
+import io.element.android.libraries.designsystem.theme.components.Icon
+import io.element.android.libraries.designsystem.theme.components.IconButton
+import io.element.android.libraries.designsystem.utils.CommonDrawables
+import io.element.android.libraries.textcomposer.utils.PressState
+import io.element.android.libraries.textcomposer.utils.PressStateEffects
+import io.element.android.libraries.textcomposer.utils.rememberPressState
+import io.element.android.libraries.theme.ElementTheme
+import io.element.android.libraries.ui.strings.CommonStrings
+import kotlinx.coroutines.launch
+
+@Composable
+internal fun RecordButton(
+    modifier: Modifier = Modifier,
+    onPressStart: () -> Unit = {},
+    onLongPressEnd: () -> Unit = {},
+    onTap: () -> Unit = {},
+) {
+    val coroutineScope = rememberCoroutineScope()
+    val pressState = rememberPressState()
+
+    PressStateEffects(
+        pressState = pressState.value,
+        onPressStart = onPressStart,
+        onLongPressEnd = onLongPressEnd,
+        onTap = onTap,
+    )
+
+    RecordButtonView(
+        isPressed = pressState.value is PressState.Pressing,
+        modifier = modifier
+            .pointerInput(Unit) {
+                awaitPointerEventScope {
+                    while (true) {
+                        val event = awaitPointerEvent()
+                        coroutineScope.launch {
+                            when (event.type) {
+                                PointerEventType.Press -> pressState.press()
+                                PointerEventType.Release -> pressState.release()
+                            }
+                        }
+                    }
+                }
+            }
+    )
+}
+
+@Composable
+private fun RecordButtonView(
+    isPressed: Boolean,
+    modifier: Modifier = Modifier,
+) {
+    IconButton(
+        modifier = modifier
+            .size(48.dp),
+        onClick = {},
+    ) {
+        Icon(
+            modifier = Modifier.size(24.dp.applyScaleUp()),
+            resourceId = if (isPressed) {
+                CommonDrawables.ic_compound_mic_on_solid
+            } else {
+                CommonDrawables.ic_compound_mic_on_outline
+            },
+            contentDescription = stringResource(CommonStrings.a11y_voice_message_record),
+            tint = ElementTheme.colors.iconSecondary,
+        )
+    }
+}
+
+@PreviewsDayNight
+@Composable
+internal fun RecordButtonPreview() = ElementPreview {
+    Row {
+        RecordButtonView(isPressed = false)
+        RecordButtonView(isPressed = true)
+    }
+}
+

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/components/RecordingProgress.kt

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.textcomposer.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.heightIn
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.theme.components.Text
+import io.element.android.libraries.theme.ElementTheme
+
+@Composable
+internal fun RecordingProgress(
+    modifier: Modifier = Modifier,
+) {
+    Row(
+        modifier = modifier
+            .fillMaxWidth()
+            .background(
+                color = ElementTheme.colors.bgSubtleSecondary,
+                shape = MaterialTheme.shapes.medium,
+            )
+            .padding(start = 12.dp, end = 20.dp, top = 8.dp, bottom = 8.dp)
+            .heightIn(26.dp)
+
+            ,
+        verticalAlignment = Alignment.CenterVertically,
+    ) {
+        Box(
+            modifier = Modifier
+                .size(8.dp)
+                .background(color = ElementTheme.colors.textCriticalPrimary, shape = CircleShape)
+        )
+        Spacer(Modifier.size(8.dp))
+
+        // TODO Replace with timer UI
+        Text(
+            text = "Recording...", // Not localized because it is a placeholder
+            color = ElementTheme.colors.textSecondary,
+            style = ElementTheme.typography.fontBodySmMedium
+        )
+    }
+}
+
+@PreviewsDayNight
+@Composable
+internal fun RecordingProgressPreview() {
+    RecordingProgress()
+}

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/components/SendButton.kt

@@ -36,7 +36,7 @@ import io.element.android.libraries.designsystem.text.applyScaleUp
 import io.element.android.libraries.designsystem.theme.components.Icon
 import io.element.android.libraries.designsystem.theme.components.IconButton
 import io.element.android.libraries.designsystem.utils.CommonDrawables
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 import io.element.android.libraries.theme.ElementTheme
 import io.element.android.libraries.ui.strings.CommonStrings
 

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/components/TextInputRoundedCornerShape.kt

@@ -22,7 +22,7 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.unit.dp
 import io.element.android.libraries.designsystem.text.applyScaleUp
-import io.element.android.libraries.textcomposer.MessageComposerMode
+import io.element.android.libraries.textcomposer.model.MessageComposerMode
 
 @Composable
 internal fun textInputRoundedCornerShape(

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/model/Message.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.element.android.libraries.textcomposer
+package io.element.android.libraries.textcomposer.model
 
 data class Message(
     val html: String?,

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/model/MessageComposerMode.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.element.android.libraries.textcomposer
+package io.element.android.libraries.textcomposer.model
 
 import android.os.Parcelable
 import io.element.android.libraries.matrix.api.core.EventId

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/model/PressEvent.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.textcomposer.model
+
+sealed class PressEvent {
+    data object PressStart: PressEvent()
+    data object Tapped: PressEvent()
+    data object LongPressEnd: PressEvent()
+}

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/model/VoiceMessageState.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.textcomposer.model
+
+sealed class VoiceMessageState {
+    data object Idle: VoiceMessageState()
+    data object Recording: VoiceMessageState()
+}

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/utils/PressState.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.textcomposer.utils
+
+/**
+ * State of a press gesture.
+ */
+internal sealed class PressState {
+    data class Idle(
+        val lastPress: Pressing?
+    ) : PressState()
+
+    sealed class Pressing : PressState()
+    data object Tapping : Pressing()
+    data object LongPressing : Pressing()
+}
+

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/utils/PressStateEffects.kt

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.textcomposer.utils
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+
+/**
+ * React to [PressState] changes.
+ */
+@Composable
+internal fun PressStateEffects(
+    pressState: PressState,
+    onPressStart: () -> Unit = {},
+    onLongPressStart: () -> Unit = {},
+    onTap: () -> Unit = {},
+    onLongPressEnd: () -> Unit = {},
+) {
+    LaunchedEffect(pressState) {
+        when (pressState) {
+            is PressState.Idle ->
+                when (pressState.lastPress) {
+                    PressState.Tapping -> onTap()
+                    PressState.LongPressing -> onLongPressEnd()
+                    null -> {} // Do nothing
+                }
+            is PressState.LongPressing -> onLongPressStart()
+            PressState.Tapping -> onPressStart()
+        }
+    }
+}
+
+

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/utils/PressStateHolder.kt

@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.textcomposer.utils
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.platform.LocalViewConfiguration
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.yield
+import timber.log.Timber
+
+@Composable
+internal fun rememberPressState(
+    longPressTimeoutMillis: Long = LocalViewConfiguration.current.longPressTimeoutMillis,
+): PressStateHolder {
+    return remember(longPressTimeoutMillis) {
+        PressStateHolder(longPressTimeoutMillis = longPressTimeoutMillis)
+    }
+}
+
+/**
+ * State machine that keeps track of the pressed state.
+ *
+ * When a press is started, the state will transition through:
+ * [PressState.Idle] -> [PressState.Tapping] -> ...
+ *
+ * If a press is held for a longer time, the state will continue through:
+ * ... -> [PressState.LongPressing] -> ...
+ *
+ * When the press is released the states will then transition back to idle.
+ * ... -> [PressState.Idle]
+ *
+ * Whether a press should be considered a tap or a long press can be determined by
+ * looking at the last press when in the idle state.
+ *
+ * @see [PressStateEffects]
+ * @see [rememberPressState]
+ */
+internal class PressStateHolder(
+    private val longPressTimeoutMillis: Long,
+) : State<PressState> {
+    private var state: PressState by mutableStateOf(PressState.Idle(lastPress = null))
+
+    override val value: PressState
+        get() = state
+
+    private var longPressTimer: Job? = null
+
+    suspend fun press() = coroutineScope {
+        when (state) {
+            is PressState.Idle -> {
+                state = PressState.Tapping
+            }
+            is PressState.Pressing ->
+                Timber.e("Pointer pressed but it has not been released")
+        }
+
+        longPressTimer = launch {
+            delay(longPressTimeoutMillis)
+            yield()
+
+            if (isActive && state == PressState.Tapping) {
+                state = PressState.LongPressing
+            }
+        }
+    }
+
+    fun release() {
+        longPressTimer?.cancel()
+        longPressTimer = null
+        when (val lastState = state) {
+            is PressState.Pressing ->
+                state = PressState.Idle(lastPress = lastState)
+            is PressState.Idle ->
+                Timber.e("Pointer pressed but it has not been released")
+        }
+    }
+}
+

libraries/textcomposer/impl/src/test/kotlin/io/element/android/libraries/textcomposer/utils/PressStateHolderTest.kt

@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.textcomposer.utils
+
+import com.google.common.truth.Truth.assertThat
+import io.element.android.libraries.textcomposer.utils.PressState.Idle
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.async
+import kotlinx.coroutines.test.advanceTimeBy
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+import kotlin.time.Duration.Companion.milliseconds
+
+@OptIn(ExperimentalCoroutinesApi::class) class PressStateHolderTest {
+    companion object {
+        const val LONG_PRESS_TIMEOUT_MILLIS = 1L
+    }
+    @Test
+    fun `it starts in idle state`() = runTest {
+        val stateHolder = createStateHolder()
+        assertThat(stateHolder.value).isEqualTo(Idle(lastPress = null))
+    }
+
+    @Test
+    fun `when press, it moves to tapping state`() = runTest {
+        val stateHolder = createStateHolder()
+        val press = async { stateHolder.press() }
+        advanceTimeBy(1.milliseconds)
+        assertThat(stateHolder.value).isEqualTo(PressState.Tapping)
+        press.await()
+    }
+
+    @Test
+    fun `when release after short delay, it moves through tap states`() = runTest {
+        val stateHolder = createStateHolder()
+        val press = async { stateHolder.press() }
+        advanceTimeBy(1.milliseconds)
+        assertThat(stateHolder.value).isEqualTo(PressState.Tapping)
+        stateHolder.release()
+        advanceTimeBy(1.milliseconds) // wait for the long press timeout which should not be triggered
+        assertThat(stateHolder.value).isEqualTo(Idle(lastPress = PressState.Tapping))
+        press.await()
+    }
+
+    @Test
+    fun `when hold, it moves through long press states`() = runTest {
+        val stateHolder = createStateHolder()
+        val press = async { stateHolder.press() }
+        advanceTimeBy(1.milliseconds)
+        assertThat(stateHolder.value).isEqualTo(PressState.Tapping)
+        advanceTimeBy(1.milliseconds)
+        assertThat(stateHolder.value).isEqualTo(PressState.LongPressing)
+        stateHolder.release()
+        assertThat(stateHolder.value).isEqualTo(Idle(lastPress = PressState.LongPressing))
+        press.await()
+    }
+
+    @Test
+    fun `when release and repress, it doesn't enter long press states`() = runTest {
+        val stateHolder = createStateHolder()
+        val press1 = async { stateHolder.press() }
+        advanceTimeBy(1.milliseconds)
+        assertThat(stateHolder.value).isEqualTo(PressState.Tapping)
+        stateHolder.release()
+        val press2 = async { stateHolder.press() }
+        advanceTimeBy(1.milliseconds)
+        assertThat(stateHolder.value).isEqualTo(PressState.Tapping)
+        press1.await()
+        press2.await()
+    }
+
+    @Test
+    fun `when press twice without releasing, it doesn't throw an error`() = runTest {
+        val stateHolder = createStateHolder()
+        stateHolder.press()
+        stateHolder.press()
+    }
+
+    @Test
+    fun `when release without first pressing, it doesn't throw an error`() = runTest {
+        val stateHolder = createStateHolder()
+        stateHolder.release()
+    }
+
+    @Test
+    fun `when release twice without pressing, it doesn't throw an error `() = runTest {
+        val stateHolder = createStateHolder()
+        stateHolder.press()
+        stateHolder.release()
+        stateHolder.release()
+    }
+
+    private fun createStateHolder() =
+        PressStateHolder(
+            LONG_PRESS_TIMEOUT_MILLIS,
+        )
+}

libraries/ui-strings/src/main/res/values/localazy.xml

@@ -1,13 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+  <string name="a11y_delete">"Delete"</string>
   <string name="a11y_hide_password">"Hide password"</string>
   <string name="a11y_notifications_mentions_only">"Mentions only"</string>
   <string name="a11y_notifications_muted">"Muted"</string>
+  <string name="a11y_pause">"Pause"</string>
+  <string name="a11y_play">"Play"</string>
   <string name="a11y_poll">"Poll"</string>
   <string name="a11y_poll_end">"Ended poll"</string>
   <string name="a11y_send_files">"Send files"</string>
   <string name="a11y_show_password">"Show password"</string>
   <string name="a11y_user_menu">"User menu"</string>
+  <string name="a11y_voice_message_record">"Record voice message. Double tap and hold to record. Release to end recording."</string>
   <string name="action_accept">"Accept"</string>
   <string name="action_add_to_timeline">"Add to timeline"</string>
   <string name="action_back">"Back"</string>