Send typing notification

changelog.d/2240.feature

@@ -0,0 +1 @@
+Send typing notification

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

@@ -43,6 +43,7 @@ sealed interface MessageComposerEvents {
     data class ToggleTextFormatting(val enabled: Boolean) : MessageComposerEvents
     data object CancelSendAttachment : MessageComposerEvents
     data class Error(val error: Throwable) : MessageComposerEvents
+    data class TypingNotice(val isTyping: Boolean) : MessageComposerEvents
     data class SuggestionReceived(val suggestion: Suggestion?) : MessageComposerEvents
     data class InsertMention(val mention: MentionSuggestion) : MessageComposerEvents
 }

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

@@ -20,6 +20,7 @@ import android.Manifest
 import android.annotation.SuppressLint
 import android.net.Uri
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
@@ -207,6 +208,15 @@ class MessageComposerPresenter @Inject constructor(
                 .collect()
         }
 
+        DisposableEffect(Unit) {
+            // Declare that the user is not typing anymore when the composer is disposed
+            onDispose {
+                appCoroutineScope.launch {
+                    room.typingNotice(false)
+                }
+            }
+        }
+
         fun handleEvents(event: MessageComposerEvents) {
             when (event) {
                 MessageComposerEvents.ToggleFullScreenState -> isFullScreen.value = !isFullScreen.value
@@ -299,6 +309,11 @@ class MessageComposerPresenter @Inject constructor(
                 is MessageComposerEvents.Error -> {
                     analyticsService.trackError(event.error)
                 }
+                is MessageComposerEvents.TypingNotice -> {
+                    localCoroutineScope.launch {
+                        room.typingNotice(event.isTyping)
+                    }
+                }
                 is MessageComposerEvents.SuggestionReceived -> {
                     suggestionSearchTrigger.value = event.suggestion
                 }

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

@@ -78,6 +78,10 @@ internal fun MessageComposerView(
         state.eventSink(MessageComposerEvents.Error(error))
     }
 
+    fun onTyping(typing: Boolean) {
+        state.eventSink(MessageComposerEvents.TypingNotice(typing))
+    }
+
     val coroutineScope = rememberCoroutineScope()
     fun onRequestFocus() {
         coroutineScope.launch {
@@ -121,6 +125,7 @@ internal fun MessageComposerView(
         onDeleteVoiceMessage = onDeleteVoiceMessage,
         onSuggestionReceived = ::onSuggestionReceived,
         onError = ::onError,
+        onTyping = ::onTyping,
         currentUserId = state.currentUserId,
         onRichContentSelected = ::sendUri,
     )

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

@@ -873,6 +873,21 @@ class MessageComposerPresenterTest {
         }
     }
 
+    @Test
+    fun `present - handle typing notice event`() = runTest {
+        val room = FakeMatrixRoom()
+        val presenter = createPresenter(room = room, coroutineScope = this)
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitFirstItem()
+            assertThat(room.typingRecord).isEmpty()
+            initialState.eventSink.invoke(MessageComposerEvents.TypingNotice(true))
+            initialState.eventSink.invoke(MessageComposerEvents.TypingNotice(false))
+            assertThat(room.typingRecord).isEqualTo(listOf(true, false))
+        }
+    }
+
     private suspend fun ReceiveTurbine<MessageComposerState>.backToNormalMode(state: MessageComposerState, skipCount: Int = 0): MessageComposerState {
         state.eventSink.invoke(MessageComposerEvents.CloseSpecialMode)
         skipItems(skipCount)

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/MatrixRoom.kt

@@ -224,6 +224,12 @@ interface MatrixRoom : Closeable {
         progressCallback: ProgressCallback?
     ): Result<MediaUploadHandler>
 
+    /**
+     * Send a typing notification.
+     * @param isTyping True if the user is typing, false otherwise.
+     */
+    suspend fun typingNotice(isTyping: Boolean): Result<Unit>
+
     /**
      * Generates a Widget url to display in a [android.webkit.WebView] given the provided parameters.
      * @param widgetSettings The widget settings to use.

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/RustMatrixRoom.kt

@@ -520,6 +520,10 @@ class RustMatrixRoom(
         )
     }
 
+    override suspend fun typingNotice(isTyping: Boolean) = runCatching {
+        innerRoom.typingNotice(isTyping)
+    }
+
     override suspend fun generateWidgetWebViewUrl(
         widgetSettings: MatrixWidgetSettings,
         clientId: String,

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/room/FakeMatrixRoom.kt

@@ -115,6 +115,9 @@ class FakeMatrixRoom(
     private var canUserJoinCallResult: Result<Boolean> = Result.success(true)
     var sendMessageMentions = emptyList<Mention>()
     val editMessageCalls = mutableListOf<Pair<String, String?>>()
+    private val _typingRecord = mutableListOf<Boolean>()
+    val typingRecord: List<Boolean>
+        get() = _typingRecord
 
     var sendMediaCount = 0
         private set
@@ -426,6 +429,11 @@ class FakeMatrixRoom(
         progressCallback: ProgressCallback?
     ): Result<MediaUploadHandler> = fakeSendMedia(progressCallback)
 
+    override suspend fun typingNotice(isTyping: Boolean): Result<Unit> {
+        _typingRecord += isTyping
+        return Result.success(Unit)
+    }
+
     override suspend fun generateWidgetWebViewUrl(
         widgetSettings: MatrixWidgetSettings,
         clientId: String,

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

@@ -112,6 +112,7 @@ fun TextComposer(
     onSendVoiceMessage: () -> Unit,
     onDeleteVoiceMessage: () -> Unit,
     onError: (Throwable) -> Unit,
+    onTyping: (Boolean) -> Unit,
     onSuggestionReceived: (Suggestion?) -> Unit,
     onRichContentSelected: ((Uri) -> Unit)?,
     modifier: Modifier = Modifier,
@@ -165,6 +166,7 @@ fun TextComposer(
                 resolveMentionDisplay = { text, url -> TextDisplay.Custom(mentionSpanProvider.getMentionSpanFor(text, url)) },
                 resolveRoomMentionDisplay = { TextDisplay.Custom(mentionSpanProvider.getMentionSpanFor("@room", "#")) },
                 onError = onError,
+                onTyping = onTyping,
                 onRichContentSelected = onRichContentSelected,
             )
         }
@@ -400,9 +402,10 @@ private fun TextInput(
     onResetComposerMode: () -> Unit,
     resolveRoomMentionDisplay: () -> TextDisplay,
     resolveMentionDisplay: (text: String, url: String) -> TextDisplay,
+    onError: (Throwable) -> Unit,
+    onTyping: (Boolean) -> Unit,
+    onRichContentSelected: ((Uri) -> Unit)?,
     modifier: Modifier = Modifier,
-    onError: (Throwable) -> Unit = {},
-    onRichContentSelected: ((Uri) -> Unit)? = null,
 ) {
     val bgColor = ElementTheme.colors.bgSubtleSecondary
     val borderColor = ElementTheme.colors.borderDisabled
@@ -451,6 +454,7 @@ private fun TextInput(
                 resolveRoomMentionDisplay = resolveRoomMentionDisplay,
                 onError = onError,
                 onRichContentSelected = onRichContentSelected,
+                onTyping = onTyping,
             )
         }
     }
@@ -920,6 +924,7 @@ private fun ATextComposer(
         onSendVoiceMessage = {},
         onDeleteVoiceMessage = {},
         onError = {},
+        onTyping = {},
         onSuggestionReceived = {},
         onRichContentSelected = null,
     )