Timeline: start handling multiple contents

features/messages/src/main/java/io/element/android/x/features/messages/MessageTimelineItemStateMapper.kt

@@ -4,6 +4,7 @@ import io.element.android.x.designsystem.components.avatar.AvatarData
 import io.element.android.x.designsystem.components.avatar.AvatarSize
 import io.element.android.x.features.messages.model.MessagesItemGroupPosition
 import io.element.android.x.features.messages.model.MessagesTimelineItemState
+import io.element.android.x.features.messages.model.content.*
 import io.element.android.x.matrix.MatrixClient
 import io.element.android.x.matrix.media.MediaResolver
 import io.element.android.x.matrix.room.MatrixRoom
@@ -61,15 +62,30 @@ class MessageTimelineItemStateMapper(
         )
     }
 
-    private fun MatrixTimelineItem.Event.computeContent(): String? {
-        val messageType =
-            event.content().asMessage()?.msgtype()
-        return when (messageType) {
-            is MessageType.Emote -> messageType.content.body
-            is MessageType.Image -> messageType.content.body
-            is MessageType.Notice -> messageType.content.body
-            is MessageType.Text -> messageType.content.body
-            null -> null
+    private fun MatrixTimelineItem.Event.computeContent(): MessagesTimelineItemContent {
+        val content = event.content()
+        content.asUnableToDecrypt()?.let { encryptedMessage ->
+            return MessagesTimelineItemEncryptedContent(encryptedMessage)
+        }
+        if (content.isRedactedMessage()) {
+            return MessagesTimelineItemRedactedContent
+        }
+        val contentAsMessage = content.asMessage()
+        return when (val messageType = contentAsMessage?.msgtype()) {
+            is MessageType.Emote -> MessagesTimelineItemEmoteContent(
+                body = messageType.content.body,
+                formattedBody = messageType.content.formatted
+            )
+            is MessageType.Image -> MessagesTimelineItemUnknownContent
+            is MessageType.Notice -> MessagesTimelineItemNoticeContent(
+                body = messageType.content.body,
+                formattedBody = messageType.content.formatted
+            )
+            is MessageType.Text -> MessagesTimelineItemTextContent(
+                body = messageType.content.body,
+                formattedBody = messageType.content.formatted
+            )
+            null -> MessagesTimelineItemUnknownContent
         }
     }
 

features/messages/src/main/java/io/element/android/x/features/messages/MessagesScreen.kt

@@ -36,9 +36,17 @@ import com.airbnb.mvrx.compose.mavericksViewModel
 import io.element.android.x.core.data.LogCompositions
 import io.element.android.x.core.data.StableCharSequence
 import io.element.android.x.designsystem.components.avatar.AvatarData
+import io.element.android.x.features.messages.components.MessagesTimelineItemEncryptedView
+import io.element.android.x.features.messages.components.MessagesTimelineItemRedactedView
+import io.element.android.x.features.messages.components.MessagesTimelineItemTextView
+import io.element.android.x.features.messages.components.MessagesTimelineItemUnknownView
 import io.element.android.x.features.messages.model.MessagesItemGroupPosition
 import io.element.android.x.features.messages.model.MessagesTimelineItemState
 import io.element.android.x.features.messages.model.MessagesViewState
+import io.element.android.x.features.messages.model.content.MessagesTimelineItemEncryptedContent
+import io.element.android.x.features.messages.model.content.MessagesTimelineItemRedactedContent
+import io.element.android.x.features.messages.model.content.MessagesTimelineItemTextBasedContent
+import io.element.android.x.features.messages.model.content.MessagesTimelineItemUnknownContent
 import io.element.android.x.features.messages.textcomposer.MessageComposerViewModel
 import io.element.android.x.features.messages.textcomposer.MessageComposerViewState
 import io.element.android.x.textcomposer.TextComposer
@@ -231,7 +239,32 @@ fun MessageEventRow(
                         Modifier.zIndex(1f)
                     )
                 }
-                MessageEventBubble(messageEvent, Modifier.zIndex(-1f))
+                MessageEventBubble(
+                    groupPosition = messageEvent.groupPosition,
+                    isMine = messageEvent.isMine,
+                    modifier = Modifier
+                        .zIndex(-1f)
+                ) {
+                    val contentModifier =  Modifier.padding(horizontal = 12.dp, vertical = 6.dp)
+                    when (messageEvent.content) {
+                        is MessagesTimelineItemEncryptedContent -> MessagesTimelineItemEncryptedView(
+                            content = messageEvent.content,
+                            modifier = contentModifier
+                        )
+                        is MessagesTimelineItemRedactedContent -> MessagesTimelineItemRedactedView(
+                            content = messageEvent.content,
+                            modifier = contentModifier
+                        )
+                        is MessagesTimelineItemTextBasedContent -> MessagesTimelineItemTextView(
+                            content = messageEvent.content,
+                            modifier = contentModifier
+                        )
+                        is MessagesTimelineItemUnknownContent -> MessagesTimelineItemUnknownView(
+                            content = messageEvent.content,
+                            modifier = contentModifier
+                        )
+                    }
+                }
             }
             if (messageEvent.isMine) {
                 Spacer(modifier = Modifier.width(16.dp))
@@ -267,10 +300,12 @@ private fun MessageSenderInformation(
 
 @Composable
 fun MessageEventBubble(
-    messageEvent: MessagesTimelineItemState.MessageEvent,
+    groupPosition: MessagesItemGroupPosition,
+    isMine: Boolean,
     modifier: Modifier = Modifier,
+    content: @Composable () -> Unit,
 ) {
-    fun MessagesTimelineItemState.MessageEvent.bubbleShape(): Shape {
+    fun bubbleShape(): Shape {
         return when (groupPosition) {
             MessagesItemGroupPosition.First -> if (isMine) {
                 RoundedCornerShape(BUBBLE_RADIUS, BUBBLE_RADIUS, 0.dp, BUBBLE_RADIUS)
@@ -297,15 +332,15 @@ fun MessageEventBubble(
         }
     }
 
-    fun Modifier.offsetForItem(messageEvent: MessagesTimelineItemState.MessageEvent): Modifier {
-        return if (messageEvent.isMine) {
+    fun Modifier.offsetForItem(): Modifier {
+        return if (isMine) {
             offset(y = -(12.dp))
         } else {
             offset(x = 20.dp, y = -(12.dp))
         }
     }
 
-    val (backgroundBubbleColor, border) = if (messageEvent.isMine) {
+    val (backgroundBubbleColor, border) = if (isMine) {
         Pair(MaterialTheme.colorScheme.surfaceVariant, null)
     } else {
         Pair(
@@ -313,12 +348,11 @@ fun MessageEventBubble(
             BorderStroke(1.dp, MaterialTheme.colorScheme.surfaceVariant)
         )
     }
-
-    val bubbleShape = messageEvent.bubbleShape()
+    val bubbleShape = bubbleShape()
     Surface(
         modifier = modifier
             .widthIn(min = 80.dp)
-            .offsetForItem(messageEvent)
+            .offsetForItem()
             .clip(bubbleShape)
             .clickable(
                 onClick = { },
@@ -327,13 +361,9 @@ fun MessageEventBubble(
             ),
         color = backgroundBubbleColor,
         shape = bubbleShape,
-        border = border
-    ) {
-        Text(
-            modifier = Modifier.padding(horizontal = 12.dp, vertical = 6.dp),
-            text = messageEvent.content ?: "",
-        )
-    }
+        border = border,
+        content = content
+    )
 }
 
 @Composable

features/messages/src/main/java/io/element/android/x/features/messages/components/MessagesTimelineItemEncryptedView.kt

@@ -0,0 +1,20 @@
+package io.element.android.x.features.messages.components
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Warning
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import io.element.android.x.features.messages.model.content.MessagesTimelineItemEncryptedContent
+
+@Composable
+fun MessagesTimelineItemEncryptedView(
+    content: MessagesTimelineItemEncryptedContent,
+    modifier: Modifier = Modifier
+) {
+    MessagesTimelineItemInformativeView(
+        text = "Decryption error",
+        iconDescription = "Warning",
+        icon = Icons.Default.Warning,
+        modifier = modifier
+    )
+}

features/messages/src/main/java/io/element/android/x/features/messages/components/MessagesTimelineItemInformativeView.kt

@@ -0,0 +1,41 @@
+package io.element.android.x.features.messages.components
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.width
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.font.FontStyle
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+
+@Composable
+fun MessagesTimelineItemInformativeView(
+    text: String,
+    iconDescription: String,
+    icon: ImageVector,
+    modifier: Modifier = Modifier
+) {
+    Row(
+        modifier = modifier,
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Icon(
+            imageVector = icon,
+            tint = MaterialTheme.colorScheme.secondary,
+            contentDescription = iconDescription
+        )
+        Spacer(modifier = Modifier.width(4.dp))
+        Text(
+            fontStyle = FontStyle.Italic,
+            color = MaterialTheme.colorScheme.secondary,
+            fontSize = 12.sp,
+            text = text
+        )
+    }
+}

features/messages/src/main/java/io/element/android/x/features/messages/components/MessagesTimelineItemRedactedView.kt

@@ -0,0 +1,20 @@
+package io.element.android.x.features.messages.components
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Delete
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import io.element.android.x.features.messages.model.content.MessagesTimelineItemRedactedContent
+
+@Composable
+fun MessagesTimelineItemRedactedView(
+    content: MessagesTimelineItemRedactedContent,
+    modifier: Modifier = Modifier
+) {
+    MessagesTimelineItemInformativeView(
+        text = "This message has been deleted",
+        iconDescription = "Delete",
+        icon = Icons.Default.Delete,
+        modifier = modifier
+    )
+}

features/messages/src/main/java/io/element/android/x/features/messages/components/MessagesTimelineItemTextView.kt

@@ -0,0 +1,17 @@
+package io.element.android.x.features.messages.components
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import io.element.android.x.features.messages.model.content.MessagesTimelineItemTextBasedContent
+
+@Composable
+fun MessagesTimelineItemTextView(
+    content: MessagesTimelineItemTextBasedContent,
+    modifier: Modifier = Modifier
+) {
+    Box(modifier) {
+        Text(text = content.body)
+    }
+}

features/messages/src/main/java/io/element/android/x/features/messages/components/MessagesTimelineItemUnknownView.kt

@@ -0,0 +1,20 @@
+package io.element.android.x.features.messages.components
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Info
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import io.element.android.x.features.messages.model.content.MessagesTimelineItemUnknownContent
+
+@Composable
+fun MessagesTimelineItemUnknownView(
+    content: MessagesTimelineItemUnknownContent,
+    modifier: Modifier = Modifier
+) {
+    MessagesTimelineItemInformativeView(
+        text = "Event not handled by EAX",
+        iconDescription = "Info",
+        icon = Icons.Default.Info,
+        modifier = modifier
+    )
+}

features/messages/src/main/java/io/element/android/x/features/messages/model/MessagesTimelineItemState.kt

@@ -1,6 +1,7 @@
 package io.element.android.x.features.messages.model
 
 import io.element.android.x.designsystem.components.avatar.AvatarData
+import io.element.android.x.features.messages.model.content.MessagesTimelineItemContent
 
 sealed interface MessagesTimelineItemState {
     data class Virtual(
@@ -12,10 +13,10 @@ sealed interface MessagesTimelineItemState {
         val senderId: String,
         val senderDisplayName: String?,
         val senderAvatar: AvatarData,
-        val content: String? = null,
+        val content: MessagesTimelineItemContent,
         val sentTime: String = "",
         val isMine: Boolean = false,
-        val groupPosition: MessagesItemGroupPosition = MessagesItemGroupPosition.None
+        val groupPosition: MessagesItemGroupPosition = MessagesItemGroupPosition.None,
     ) : MessagesTimelineItemState {
 
         val showSenderInformation = groupPosition.isNew() && !isMine

features/messages/src/main/java/io/element/android/x/features/messages/model/content/MessagesTimelineItemContent.kt

@@ -0,0 +1,3 @@
+package io.element.android.x.features.messages.model.content
+
+sealed interface MessagesTimelineItemContent

features/messages/src/main/java/io/element/android/x/features/messages/model/content/MessagesTimelineItemEmoteContent.kt

@@ -0,0 +1,8 @@
+package io.element.android.x.features.messages.model.content
+
+import org.matrix.rustcomponents.sdk.FormattedBody
+
+data class MessagesTimelineItemEmoteContent(
+    override val body: String,
+    override val formattedBody: FormattedBody?,
+) : MessagesTimelineItemTextBasedContent

features/messages/src/main/java/io/element/android/x/features/messages/model/content/MessagesTimelineItemEncryptedContent.kt

@@ -0,0 +1,7 @@
+package io.element.android.x.features.messages.model.content
+
+import org.matrix.rustcomponents.sdk.EncryptedMessage
+
+data class MessagesTimelineItemEncryptedContent(
+    val encryptedMessage: EncryptedMessage
+) : MessagesTimelineItemContent

features/messages/src/main/java/io/element/android/x/features/messages/model/content/MessagesTimelineItemNoticeContent.kt

@@ -0,0 +1,8 @@
+package io.element.android.x.features.messages.model.content
+
+import org.matrix.rustcomponents.sdk.FormattedBody
+
+data class MessagesTimelineItemNoticeContent(
+    override val body: String,
+    override val formattedBody: FormattedBody?,
+) : MessagesTimelineItemTextBasedContent

features/messages/src/main/java/io/element/android/x/features/messages/model/content/MessagesTimelineItemRedactedContent.kt

@@ -0,0 +1,3 @@
+package io.element.android.x.features.messages.model.content
+
+object MessagesTimelineItemRedactedContent : MessagesTimelineItemContent

features/messages/src/main/java/io/element/android/x/features/messages/model/content/MessagesTimelineItemTextBasedContent.kt

@@ -0,0 +1,8 @@
+package io.element.android.x.features.messages.model.content
+
+import org.matrix.rustcomponents.sdk.FormattedBody
+
+sealed interface MessagesTimelineItemTextBasedContent : MessagesTimelineItemContent {
+    val body: String
+    val formattedBody: FormattedBody?
+}

features/messages/src/main/java/io/element/android/x/features/messages/model/content/MessagesTimelineItemTextContent.kt

@@ -0,0 +1,8 @@
+package io.element.android.x.features.messages.model.content
+
+import org.matrix.rustcomponents.sdk.FormattedBody
+
+data class MessagesTimelineItemTextContent(
+    override val body: String,
+    override val formattedBody: FormattedBody?,
+) : MessagesTimelineItemTextBasedContent

features/messages/src/main/java/io/element/android/x/features/messages/model/content/MessagesTimelineItemUnknownContent.kt

@@ -0,0 +1,3 @@
+package io.element.android.x.features.messages.model.content
+
+object MessagesTimelineItemUnknownContent : MessagesTimelineItemContent