Display a banner instead of the composer when user cannot post message to a room (#602)

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

@@ -99,6 +99,8 @@ interface MatrixRoom : Closeable {
 
     suspend fun canSendStateEvent(type: StateEventType): Result<Boolean>
 
+    suspend fun canSendEvent(type: MessageEventType): Result<Boolean>
+
     suspend fun updateAvatar(mimeType: String, data: ByteArray): Result<Unit>
 
     suspend fun removeAvatar(): Result<Unit>

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

@@ -0,0 +1,36 @@
+/*
+ * 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.matrix.api.room
+
+enum class MessageEventType {
+    CALL_ANSWER,
+    CALL_INVITE,
+    CALL_HANGUP,
+    CALL_CANDIDATES,
+    KEY_VERIFICATION_READY,
+    KEY_VERIFICATION_START,
+    KEY_VERIFICATION_CANCEL,
+    KEY_VERIFICATION_ACCEPT,
+    KEY_VERIFICATION_KEY,
+    KEY_VERIFICATION_MAC,
+    KEY_VERIFICATION_DONE,
+    REACTION_SENT,
+    ROOM_ENCRYPTED,
+    ROOM_MESSAGE,
+    ROOM_REDACTION,
+    STICKER
+}

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

@@ -0,0 +1,58 @@
+/*
+ * 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.matrix.impl.room
+
+import io.element.android.libraries.matrix.api.room.MessageEventType
+import org.matrix.rustcomponents.sdk.MessageLikeEventType
+
+fun MessageEventType.map(): MessageLikeEventType = when (this) {
+    MessageEventType.CALL_ANSWER -> MessageLikeEventType.CALL_ANSWER
+    MessageEventType.CALL_INVITE -> MessageLikeEventType.CALL_INVITE
+    MessageEventType.CALL_HANGUP -> MessageLikeEventType.CALL_HANGUP
+    MessageEventType.CALL_CANDIDATES -> MessageLikeEventType.CALL_CANDIDATES
+    MessageEventType.KEY_VERIFICATION_READY -> MessageLikeEventType.KEY_VERIFICATION_READY
+    MessageEventType.KEY_VERIFICATION_START -> MessageLikeEventType.KEY_VERIFICATION_START
+    MessageEventType.KEY_VERIFICATION_CANCEL -> MessageLikeEventType.KEY_VERIFICATION_CANCEL
+    MessageEventType.KEY_VERIFICATION_ACCEPT -> MessageLikeEventType.KEY_VERIFICATION_ACCEPT
+    MessageEventType.KEY_VERIFICATION_KEY -> MessageLikeEventType.KEY_VERIFICATION_KEY
+    MessageEventType.KEY_VERIFICATION_MAC -> MessageLikeEventType.KEY_VERIFICATION_MAC
+    MessageEventType.KEY_VERIFICATION_DONE -> MessageLikeEventType.KEY_VERIFICATION_DONE
+    MessageEventType.REACTION_SENT -> MessageLikeEventType.REACTION_SENT
+    MessageEventType.ROOM_ENCRYPTED -> MessageLikeEventType.ROOM_ENCRYPTED
+    MessageEventType.ROOM_MESSAGE -> MessageLikeEventType.ROOM_MESSAGE
+    MessageEventType.ROOM_REDACTION -> MessageLikeEventType.ROOM_REDACTION
+    MessageEventType.STICKER -> MessageLikeEventType.STICKER
+}
+
+fun MessageLikeEventType.map(): MessageEventType = when (this) {
+    MessageLikeEventType.CALL_ANSWER -> MessageEventType.CALL_ANSWER
+    MessageLikeEventType.CALL_INVITE -> MessageEventType.CALL_INVITE
+    MessageLikeEventType.CALL_HANGUP -> MessageEventType.CALL_HANGUP
+    MessageLikeEventType.CALL_CANDIDATES -> MessageEventType.CALL_CANDIDATES
+    MessageLikeEventType.KEY_VERIFICATION_READY -> MessageEventType.KEY_VERIFICATION_READY
+    MessageLikeEventType.KEY_VERIFICATION_START -> MessageEventType.KEY_VERIFICATION_START
+    MessageLikeEventType.KEY_VERIFICATION_CANCEL -> MessageEventType.KEY_VERIFICATION_CANCEL
+    MessageLikeEventType.KEY_VERIFICATION_ACCEPT -> MessageEventType.KEY_VERIFICATION_ACCEPT
+    MessageLikeEventType.KEY_VERIFICATION_KEY -> MessageEventType.KEY_VERIFICATION_KEY
+    MessageLikeEventType.KEY_VERIFICATION_MAC -> MessageEventType.KEY_VERIFICATION_MAC
+    MessageLikeEventType.KEY_VERIFICATION_DONE -> MessageEventType.KEY_VERIFICATION_DONE
+    MessageLikeEventType.REACTION_SENT -> MessageEventType.REACTION_SENT
+    MessageLikeEventType.ROOM_ENCRYPTED -> MessageEventType.ROOM_ENCRYPTED
+    MessageLikeEventType.ROOM_MESSAGE -> MessageEventType.ROOM_MESSAGE
+    MessageLikeEventType.ROOM_REDACTION -> MessageEventType.ROOM_REDACTION
+    MessageLikeEventType.STICKER -> MessageEventType.STICKER
+}

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

@@ -27,6 +27,7 @@ import io.element.android.libraries.matrix.api.media.ImageInfo
 import io.element.android.libraries.matrix.api.media.VideoInfo
 import io.element.android.libraries.matrix.api.room.MatrixRoom
 import io.element.android.libraries.matrix.api.room.MatrixRoomMembersState
+import io.element.android.libraries.matrix.api.room.MessageEventType
 import io.element.android.libraries.matrix.api.room.StateEventType
 import io.element.android.libraries.matrix.api.room.roomMembers
 import io.element.android.libraries.matrix.api.timeline.MatrixTimeline
@@ -34,7 +35,6 @@ import io.element.android.libraries.matrix.impl.media.map
 import io.element.android.libraries.matrix.impl.timeline.RustMatrixTimeline
 import io.element.android.services.toolbox.api.systemclock.SystemClock
 import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -235,6 +235,12 @@ class RustMatrixRoom(
         }
     }
 
+    override suspend fun canSendEvent(type: MessageEventType): Result<Boolean> = withContext(coroutineDispatchers.io) {
+        runCatching {
+            innerRoom.member(sessionId.value).use { it.canSendMessage(type.map()) }
+        }
+    }
+
     override suspend fun sendImage(file: File, thumbnailFile: File, imageInfo: ImageInfo): Result<Unit> = withContext(coroutineDispatchers.io) {
         runCatching {
             innerRoom.sendImage(file.path, thumbnailFile.path, imageInfo.map())
@@ -272,7 +278,7 @@ class RustMatrixRoom(
             }
         }
 
-    override suspend fun cancelSend(transactionId: String): Result<Unit>  =
+    override suspend fun cancelSend(transactionId: String): Result<Unit> =
         withContext(coroutineDispatchers.io) {
             runCatching {
                 innerRoom.cancelSend(transactionId)

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

@@ -26,6 +26,7 @@ import io.element.android.libraries.matrix.api.media.ImageInfo
 import io.element.android.libraries.matrix.api.media.VideoInfo
 import io.element.android.libraries.matrix.api.room.MatrixRoom
 import io.element.android.libraries.matrix.api.room.MatrixRoomMembersState
+import io.element.android.libraries.matrix.api.room.MessageEventType
 import io.element.android.libraries.matrix.api.room.StateEventType
 import io.element.android.libraries.matrix.api.timeline.MatrixTimeline
 import io.element.android.libraries.matrix.test.A_ROOM_ID
@@ -64,6 +65,7 @@ class FakeMatrixRoom(
     private var inviteUserResult = Result.success(Unit)
     private var canInviteResult = Result.success(true)
     private val canSendStateResults = mutableMapOf<StateEventType, Result<Boolean>>()
+    private val canSendEventResults = mutableMapOf<MessageEventType, Result<Boolean>>()
     private var sendMediaResult = Result.success(Unit)
     private var setNameResult = Result.success(Unit)
     private var setTopicResult = Result.success(Unit)
@@ -198,6 +200,10 @@ class FakeMatrixRoom(
         return canSendStateResults[type] ?: Result.failure(IllegalStateException("No fake answer"))
     }
 
+    override suspend fun canSendEvent(type: MessageEventType): Result<Boolean> {
+        return canSendEventResults[type] ?: Result.failure(IllegalStateException("No fake answer"))
+    }
+
     override suspend fun sendImage(file: File, thumbnailFile: File, imageInfo: ImageInfo): Result<Unit> = fakeSendMedia()
 
     override suspend fun sendVideo(file: File, thumbnailFile: File, videoInfo: VideoInfo): Result<Unit> = fakeSendMedia()
@@ -274,6 +280,10 @@ class FakeMatrixRoom(
         canSendStateResults[type] = result
     }
 
+    fun givenCanSendEventResult(type: MessageEventType, result: Result<Boolean>) {
+        canSendEventResults[type] = result
+    }
+
     fun givenIgnoreResult(result: Result<Unit>) {
         ignoreResult = result
     }