add a record voice button to new post screen

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/actions/uploads/RecordVoiceButton.kt

@@ -0,0 +1,49 @@
+/**
+ * Copyright (c) 2025 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.amethyst.ui.actions.uploads
+
+import androidx.compose.foundation.layout.height
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Mic
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.ui.stringRes
+
+@Composable
+fun RecordVoiceButton(onVoiceTaken: (RecordingResult) -> Unit) {
+    RecordAudioBox(
+        modifier = Modifier,
+        onRecordTaken = { recording ->
+            onVoiceTaken(recording)
+        },
+    ) { isRecording ->
+        Icon(
+            imageVector = Icons.Default.Mic,
+            contentDescription = stringRes(id = R.string.record_a_message),
+            modifier = Modifier.height(22.dp),
+            tint = if (isRecording) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.onBackground,
+        )
+    }
+}

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/ShortNotePostScreen.kt

@@ -57,6 +57,7 @@ import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.ServerType
+import com.vitorpamplona.amethyst.ui.actions.uploads.RecordVoiceButton
 import com.vitorpamplona.amethyst.ui.actions.uploads.SelectFromGallery
 import com.vitorpamplona.amethyst.ui.actions.uploads.SelectedMedia
 import com.vitorpamplona.amethyst.ui.actions.uploads.TakePictureButton
@@ -405,12 +406,16 @@ private fun NewPostScreenBody(
             )
         }
 
-        BottomRowActions(postViewModel)
+        BottomRowActions(postViewModel, accountViewModel)
     }
 }
 
 @Composable
-private fun BottomRowActions(postViewModel: ShortNotePostViewModel) {
+private fun BottomRowActions(
+    postViewModel: ShortNotePostViewModel,
+    accountViewModel: AccountViewModel,
+) {
+    val context = LocalContext.current
     val scrollState = rememberScrollState()
     Row(
         modifier =
@@ -440,6 +445,17 @@ private fun BottomRowActions(postViewModel: ShortNotePostViewModel) {
             },
         )
 
+        RecordVoiceButton(
+            onVoiceTaken = { recording ->
+                postViewModel.selectVoiceRecording(recording)
+                postViewModel.uploadVoiceMessage(
+                    accountViewModel.account.settings.defaultFileServer,
+                    accountViewModel.toastManager::toast,
+                    context,
+                )
+            },
+        )
+
         if (postViewModel.canUsePoll) {
             // These should be hashtag recommendations the user selects in the future.
             // val hashtag = stringRes(R.string.poll_hashtag)

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/ShortNotePostViewModel.kt

@@ -42,11 +42,14 @@ import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.model.nip30CustomEmojis.EmojiPackState.EmojiMedia
 import com.vitorpamplona.amethyst.service.location.LocationState
+import com.vitorpamplona.amethyst.service.uploads.CompressorQuality
 import com.vitorpamplona.amethyst.service.uploads.MediaCompressor
 import com.vitorpamplona.amethyst.service.uploads.MultiOrchestrator
 import com.vitorpamplona.amethyst.service.uploads.UploadOrchestrator
+import com.vitorpamplona.amethyst.service.uploads.UploadingState
 import com.vitorpamplona.amethyst.ui.actions.NewMessageTagger
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.ServerName
+import com.vitorpamplona.amethyst.ui.actions.uploads.RecordingResult
 import com.vitorpamplona.amethyst.ui.actions.uploads.SelectedMedia
 import com.vitorpamplona.amethyst.ui.actions.uploads.SelectedMediaProcessing
 import com.vitorpamplona.amethyst.ui.note.creators.draftTags.DraftTagState
@@ -116,6 +119,9 @@ import com.vitorpamplona.quartz.nip94FileMetadata.mimeType
 import com.vitorpamplona.quartz.nip94FileMetadata.originalHash
 import com.vitorpamplona.quartz.nip94FileMetadata.sensitiveContent
 import com.vitorpamplona.quartz.nip94FileMetadata.size
+import com.vitorpamplona.quartz.nipA0VoiceMessages.AudioMeta
+import com.vitorpamplona.quartz.nipA0VoiceMessages.VoiceEvent
+import com.vitorpamplona.quartz.nipA0VoiceMessages.VoiceReplyEvent
 import com.vitorpamplona.quartz.utils.Log
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.coroutines.Dispatchers
@@ -177,6 +183,11 @@ open class ShortNotePostViewModel :
     // Images and Videos
     var multiOrchestrator by mutableStateOf<MultiOrchestrator?>(null)
 
+    // Voice Messages
+    var voiceRecording by mutableStateOf<RecordingResult?>(null)
+    var isUploadingVoice by mutableStateOf(false)
+    var voiceMetadata by mutableStateOf<AudioMeta?>(null)
+
     // Polls
     var canUsePoll by mutableStateOf(false)
     var wantsPoll by mutableStateOf(false)
@@ -504,6 +515,23 @@ open class ShortNotePostViewModel :
     }
 
     private suspend fun createTemplate(): EventTemplate<out Event>? {
+        // Check if this is a voice message
+        voiceMetadata?.let { audioMeta ->
+            return if (originalNote != null) {
+                // Create voice reply event
+                @Suppress("UNCHECKED_CAST")
+                VoiceReplyEvent.build(
+                    voiceMessage = audioMeta,
+                    replyingTo = originalNote!!.toEventHint<Event>() as com.vitorpamplona.quartz.nip01Core.hints.EventHintBundle<VoiceEvent>,
+                )
+            } else {
+                // Create root voice event
+                VoiceEvent.build(
+                    voiceMessage = audioMeta,
+                )
+            }
+        }
+
         val tagger =
             NewMessageTagger(
                 message.text,
@@ -715,6 +743,9 @@ open class ShortNotePostViewModel :
 
         multiOrchestrator = null
         isUploadingImage = false
+        voiceRecording = null
+        isUploadingVoice = false
+        voiceMetadata = null
         pTags = null
 
         wantsPoll = false
@@ -833,9 +864,16 @@ open class ShortNotePostViewModel :
 
     private fun newStateMapPollOptions(): SnapshotStateMap<Int, String> = mutableStateMapOf(Pair(0, ""), Pair(1, ""))
 
-    fun canPost(): Boolean =
+    fun canPost(): Boolean {
-        message.text.isNotBlank() &&
+        // Voice messages can be posted without text
+        if (voiceMetadata != null) {
+            return !isUploadingVoice && !isUploadingImage
+        }
+
+        // Regular text/media posts require text
+        return message.text.isNotBlank() &&
             !isUploadingImage &&
+            !isUploadingVoice &&
             !wantsInvoice &&
             (!wantsZapRaiser || zapRaiserAmount.value != null) &&
             (
@@ -846,7 +884,9 @@ open class ShortNotePostViewModel :
                             isValidValueMaximum.value
                     )
             ) &&
-            multiOrchestrator == null
+            multiOrchestrator == null &&
+            voiceRecording == null
+    }
 
     fun insertAtCursor(newElement: String) {
         message = message.insertUrlAtCursor(newElement)
@@ -856,6 +896,85 @@ open class ShortNotePostViewModel :
         multiOrchestrator = MultiOrchestrator(uris)
     }
 
+    fun selectVoiceRecording(recording: RecordingResult) {
+        voiceRecording = recording
+    }
+
+    fun uploadVoiceMessage(
+        server: ServerName,
+        onError: (title: String, message: String) -> Unit,
+        context: Context,
+    ) {
+        val recording = voiceRecording ?: return
+
+        viewModelScope.launch(Dispatchers.IO) {
+            isUploadingVoice = true
+
+            try {
+                val uri = android.net.Uri.fromFile(recording.file)
+                val orchestrator = UploadOrchestrator()
+
+                val result =
+                    orchestrator.upload(
+                        uri = uri,
+                        mimeType = recording.mimeType,
+                        alt = null,
+                        contentWarningReason = null,
+                        compressionQuality = CompressorQuality.UNCOMPRESSED,
+                        server = server,
+                        account = account,
+                        context = context,
+                        useH265 = false,
+                    )
+
+                when (result) {
+                    is UploadingState.Finished -> {
+                        when (val orchestratorResult = result.result) {
+                            is UploadOrchestrator.OrchestratorResult.ServerResult -> {
+                                voiceMetadata =
+                                    AudioMeta(
+                                        url = orchestratorResult.url,
+                                        mimeType = recording.mimeType,
+                                        hash = orchestratorResult.fileHeader.hash,
+                                        duration = recording.duration,
+                                        waveform = recording.amplitudes,
+                                    )
+                                voiceRecording = null
+                            }
+                            is UploadOrchestrator.OrchestratorResult.NIP95Result -> {
+                                // For NIP95, we need to create the event and get the nevent URL
+                                // This is handled differently - skip for now
+                                onError(
+                                    stringRes(context, R.string.failed_to_upload_media_no_details),
+                                    "NIP95 not yet supported for voice messages",
+                                )
+                            }
+                        }
+                    }
+                    is UploadingState.Error -> {
+                        val errorMessage = stringRes(context, result.errorResource, *result.params)
+                        onError(stringRes(context, R.string.failed_to_upload_media_no_details), errorMessage)
+                        voiceRecording = null
+                    }
+                    else -> {
+                        onError(
+                            stringRes(context, R.string.failed_to_upload_media_no_details),
+                            "Unexpected upload state",
+                        )
+                    }
+                }
+            } catch (e: Exception) {
+                onError(
+                    stringRes(context, R.string.failed_to_upload_media_no_details),
+                    e.message ?: e.javaClass.simpleName,
+                )
+                voiceRecording = null
+            } finally {
+                isUploadingVoice = false
+            }
+        }
+    }
+
     override fun locationFlow(): StateFlow<LocationState.LocationResult> {
         if (location == null) {
             location = locationManager().geohashStateFlow