Updates on rust: makes SS working but slow. Also branch some timeline virtual items.

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

@@ -32,7 +32,7 @@ import io.element.android.features.messages.textcomposer.MessageComposerState
 import io.element.android.features.messages.timeline.TimelineEvents
 import io.element.android.features.messages.timeline.TimelinePresenter
 import io.element.android.features.messages.timeline.model.TimelineItem
-import io.element.android.features.messages.timeline.model.content.TimelineItemTextBasedContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemTextBasedContent
 import io.element.android.libraries.architecture.Presenter
 import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.designsystem.components.avatar.AvatarSize

features/messages/src/main/kotlin/io/element/android/features/messages/actionlist/ActionListPresenter.kt

@@ -23,7 +23,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import io.element.android.features.messages.actionlist.model.TimelineItemAction
 import io.element.android.features.messages.timeline.model.TimelineItem
-import io.element.android.features.messages.timeline.model.content.TimelineItemRedactedContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemRedactedContent
 import io.element.android.libraries.architecture.Presenter
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.CoroutineScope

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/TimelineView.kt

@@ -70,13 +70,14 @@ import io.element.android.features.messages.timeline.model.MessagesItemGroupPosi
 import io.element.android.features.messages.timeline.model.TimelineItem
 import io.element.android.features.messages.timeline.model.TimelineItemGroupPositionProvider
 import io.element.android.features.messages.timeline.model.TimelineItemReactions
-import io.element.android.features.messages.timeline.model.content.MessagesTimelineItemContentProvider
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemEncryptedContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemImageContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemRedactedContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemTextBasedContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemUnknownContent
+import io.element.android.features.messages.timeline.model.event.MessagesTimelineItemContentProvider
+import io.element.android.features.messages.timeline.model.event.TimelineItemEncryptedContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemImageContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemRedactedContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemTextBasedContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemUnknownContent
+import io.element.android.features.messages.timeline.model.virtual.TimelineItemLoadingModel
 import io.element.android.libraries.designsystem.components.avatar.Avatar
 import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.designsystem.utils.PairCombinedPreviewParameter
@@ -158,8 +159,10 @@ fun TimelineItemRow(
     onLongClick: (TimelineItem.Event) -> Unit,
 ) {
     when (timelineItem) {
-        is TimelineItem.Virtual -> return
-        is TimelineItem.Event -> MessageEventRow(
+        is TimelineItem.Virtual -> TimelineItemVirtualRow(
+            virtual = timelineItem
+        )
+        is TimelineItem.Event -> TimelineItemEventRow(
             event = timelineItem,
             isHighlighted = isHighlighted,
             onClick = { onClick(timelineItem) },
@@ -169,7 +172,18 @@ fun TimelineItemRow(
 }
 
 @Composable
-fun MessageEventRow(
+fun TimelineItemVirtualRow(
+    virtual: TimelineItem.Virtual,
+    modifier: Modifier = Modifier
+) {
+    when (virtual.model) {
+        is TimelineItemLoadingModel -> TimelineLoadingMoreIndicator(modifier)
+        else -> return
+    }
+}
+
+@Composable
+fun TimelineItemEventRow(
     event: TimelineItem.Event,
     isHighlighted: Boolean,
     onClick: () -> Unit,
@@ -338,9 +352,9 @@ internal fun BoxScope.TimelineScrollHelper(
 }
 
 @Composable
-internal fun TimelineLoadingMoreIndicator() {
+internal fun TimelineLoadingMoreIndicator(modifier: Modifier) {
     Box(
-        Modifier
+        modifier
             .fillMaxWidth()
             .wrapContentHeight()
             .padding(8.dp),
@@ -354,7 +368,7 @@ internal fun TimelineLoadingMoreIndicator() {
 }
 
 class MessagesItemGroupPositionToMessagesTimelineItemContentProvider :
-    PairCombinedPreviewParameter<MessagesItemGroupPosition, TimelineItemContent>(
+    PairCombinedPreviewParameter<MessagesItemGroupPosition, TimelineItemEventContent>(
         TimelineItemGroupPositionProvider() to MessagesTimelineItemContentProvider()
     )
 
@@ -363,7 +377,7 @@ class MessagesItemGroupPositionToMessagesTimelineItemContentProvider :
 @Composable
 fun TimelineItemsPreview(
     @PreviewParameter(MessagesTimelineItemContentProvider::class)
-    content: TimelineItemContent
+    content: TimelineItemEventContent
 ) {
     val timelineItems = persistentListOf(
         // 3 items (First Middle Last) with isMine = false
@@ -410,7 +424,7 @@ fun TimelineItemsPreview(
 
 private fun createMessageEvent(
     isMine: Boolean,
-    content: TimelineItemContent,
+    content: TimelineItemEventContent,
     groupPosition: MessagesItemGroupPosition
 ): TimelineItem {
     return TimelineItem.Event(

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/components/TimelineItemEncryptedView.kt

@@ -20,7 +20,7 @@ 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.features.messages.timeline.model.content.TimelineItemEncryptedContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEncryptedContent
 
 @Composable
 fun TimelineItemEncryptedView(

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/components/TimelineItemImageView.kt

@@ -33,7 +33,7 @@ import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalContext
 import coil.compose.AsyncImage
 import coil.request.ImageRequest
-import io.element.android.features.messages.timeline.model.content.TimelineItemImageContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemImageContent
 
 @Composable
 fun TimelineItemImageView(

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/components/TimelineItemRedactedView.kt

@@ -20,7 +20,7 @@ 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.features.messages.timeline.model.content.TimelineItemRedactedContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemRedactedContent
 
 @Composable
 fun TimelineItemRedactedView(

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/components/TimelineItemTextView.kt

@@ -29,7 +29,7 @@ import androidx.compose.ui.text.SpanStyle
 import androidx.compose.ui.text.buildAnnotatedString
 import androidx.core.text.util.LinkifyCompat
 import io.element.android.features.messages.timeline.components.html.HtmlDocument
-import io.element.android.features.messages.timeline.model.content.TimelineItemTextBasedContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemTextBasedContent
 import io.element.android.libraries.designsystem.LinkColor
 import io.element.android.libraries.designsystem.components.ClickableLinkText
 

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/components/TimelineItemUnknownView.kt

@@ -20,7 +20,7 @@ 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.features.messages.timeline.model.content.TimelineItemUnknownContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemUnknownContent
 
 @Composable
 fun TimelineItemUnknownView(

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/TimelineItemsFactory.kt

@@ -19,11 +19,12 @@ package io.element.android.features.messages.timeline.factories
 import androidx.recyclerview.widget.DiffUtil
 import io.element.android.features.messages.timeline.diff.CacheInvalidator
 import io.element.android.features.messages.timeline.diff.MatrixTimelineItemsDiffCallback
+import io.element.android.features.messages.timeline.factories.event.TimelineItemEventFactory
+import io.element.android.features.messages.timeline.factories.virtual.TimelineItemVirtualFactory
 import io.element.android.features.messages.timeline.model.TimelineItem
 import io.element.android.features.messages.timeline.util.invalidateLast
 import io.element.android.libraries.core.coroutine.CoroutineDispatchers
 import io.element.android.libraries.matrix.timeline.MatrixTimelineItem
-import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemContentFactory.kt

@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
 import org.matrix.rustcomponents.sdk.TimelineItemContentKind
 import javax.inject.Inject
 
@@ -34,7 +34,7 @@ class TimelineItemContentFactory @Inject constructor(
     private val failedToParseStateFactory: TimelineItemContentFailedToParseStateFactory
 ) {
 
-    fun create(itemContent: RustTimelineItemContent): TimelineItemContent {
+    fun create(itemContent: RustTimelineItemContent): TimelineItemEventContent {
         return when (val kind = itemContent.kind()) {
             is TimelineItemContentKind.Message -> messageFactory.create(itemContent.asMessage())
             is TimelineItemContentKind.RedactedMessage -> redactedMessageFactory.create(kind)

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemContentFailedToParseMessageFactory.kt

@@ -14,16 +14,16 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemUnknownContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemUnknownContent
 import org.matrix.rustcomponents.sdk.TimelineItemContentKind
 import javax.inject.Inject
 
 class TimelineItemContentFailedToParseMessageFactory @Inject constructor() {
 
-    fun create(kind: TimelineItemContentKind.FailedToParseMessageLike): TimelineItemContent {
+    fun create(kind: TimelineItemContentKind.FailedToParseMessageLike): TimelineItemEventContent {
         return TimelineItemUnknownContent
     }
 }

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemContentFailedToParseStateFactory.kt

@@ -14,16 +14,16 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemUnknownContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemUnknownContent
 import org.matrix.rustcomponents.sdk.TimelineItemContentKind
 import javax.inject.Inject
 
 class TimelineItemContentFailedToParseStateFactory @Inject constructor() {
 
-    fun create(kind: TimelineItemContentKind.FailedToParseState): TimelineItemContent {
+    fun create(kind: TimelineItemContentKind.FailedToParseState): TimelineItemEventContent {
         return TimelineItemUnknownContent
     }
 }

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemContentMessageFactory.kt

@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemEmoteContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemImageContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemNoticeContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemTextContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemUnknownContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEmoteContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemImageContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemNoticeContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemTextContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemUnknownContent
 import io.element.android.features.messages.timeline.util.toHtmlDocument
 import io.element.android.libraries.matrix.media.MediaResolver
 import org.matrix.rustcomponents.sdk.Message
@@ -30,7 +30,7 @@ import javax.inject.Inject
 
 class TimelineItemContentMessageFactory @Inject constructor() {
 
-    fun create(contentAsMessage: Message?): TimelineItemContent {
+    fun create(contentAsMessage: Message?): TimelineItemEventContent {
         return when (val messageType = contentAsMessage?.msgtype()) {
             is MessageType.Emote -> TimelineItemEmoteContent(
                 body = messageType.content.body,

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemContentProfileChangeFactory.kt

@@ -14,17 +14,16 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemRedactedContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemUnknownContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemUnknownContent
 import org.matrix.rustcomponents.sdk.TimelineItemContentKind
 import javax.inject.Inject
 
 class TimelineItemContentProfileChangeFactory @Inject constructor() {
 
-    fun create(kind: TimelineItemContentKind.ProfileChange): TimelineItemContent {
+    fun create(kind: TimelineItemContentKind.ProfileChange): TimelineItemEventContent {
         return TimelineItemUnknownContent
     }
 }

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemContentRedactedFactory.kt

@@ -14,16 +14,16 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemRedactedContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemRedactedContent
 import org.matrix.rustcomponents.sdk.TimelineItemContentKind
 import javax.inject.Inject
 
 class TimelineItemContentRedactedFactory @Inject constructor() {
 
-    fun create(kind: TimelineItemContentKind.RedactedMessage): TimelineItemContent {
+    fun create(kind: TimelineItemContentKind.RedactedMessage): TimelineItemEventContent {
         return TimelineItemRedactedContent
     }
 }

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemContentRoomMembershipFactory.kt

@@ -14,16 +14,16 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemUnknownContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemUnknownContent
 import org.matrix.rustcomponents.sdk.TimelineItemContentKind
 import javax.inject.Inject
 
 class TimelineItemContentRoomMembershipFactory @Inject constructor() {
 
-    fun create(kind: TimelineItemContentKind.RoomMembership): TimelineItemContent {
+    fun create(kind: TimelineItemContentKind.RoomMembership): TimelineItemEventContent {
         return TimelineItemUnknownContent
     }
 }

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemContentStateFactory.kt

@@ -14,16 +14,16 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemUnknownContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemUnknownContent
 import org.matrix.rustcomponents.sdk.TimelineItemContentKind
 import javax.inject.Inject
 
 class TimelineItemContentStateFactory @Inject constructor() {
 
-    fun create(kind: TimelineItemContentKind.State): TimelineItemContent {
+    fun create(kind: TimelineItemContentKind.State): TimelineItemEventContent {
         return TimelineItemUnknownContent
     }
 }

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemContentStickerFactory.kt

@@ -14,16 +14,16 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemUnknownContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemUnknownContent
 import org.matrix.rustcomponents.sdk.TimelineItemContentKind
 import javax.inject.Inject
 
 class TimelineItemContentStickerFactory @Inject constructor() {
 
-    fun create(kind: TimelineItemContentKind.Sticker): TimelineItemContent {
+    fun create(kind: TimelineItemContentKind.Sticker): TimelineItemEventContent {
         return TimelineItemUnknownContent
     }
 }

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemContentUTDFactory.kt

@@ -14,16 +14,16 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
-import io.element.android.features.messages.timeline.model.content.TimelineItemEncryptedContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEncryptedContent
 import org.matrix.rustcomponents.sdk.TimelineItemContentKind
 import javax.inject.Inject
 
 class TimelineItemContentUTDFactory @Inject constructor() {
 
-    fun create(kind: TimelineItemContentKind.UnableToDecrypt): TimelineItemContent {
+    fun create(kind: TimelineItemContentKind.UnableToDecrypt): TimelineItemEventContent {
         return TimelineItemEncryptedContent(kind.msg)
     }
 }

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/event/TimelineItemEventFactory.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.event
 
 import io.element.android.features.messages.timeline.model.AggregatedReaction
 import io.element.android.features.messages.timeline.model.MessagesItemGroupPosition

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/virtual/TimelineItemDaySeparatorFactory.kt

@@ -14,21 +14,18 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.factories
+package io.element.android.features.messages.timeline.factories.virtual
 
-import io.element.android.features.messages.timeline.model.TimelineItem
-import io.element.android.libraries.matrix.timeline.MatrixTimelineItem
+import io.element.android.features.messages.timeline.model.virtual.TimelineItemDaySeparatorModel
+import io.element.android.features.messages.timeline.model.virtual.TimelineItemVirtualModel
+import org.matrix.rustcomponents.sdk.VirtualTimelineItem
 import javax.inject.Inject
 
-class TimelineItemVirtualFactory @Inject constructor() {
+class TimelineItemDaySeparatorFactory @Inject constructor() {
 
-    suspend fun create(
-        currentTimelineItem: MatrixTimelineItem.Virtual,
-        index: Int,
-        timelineItems: List<MatrixTimelineItem>,
-    ): TimelineItem.Virtual {
-        return TimelineItem.Virtual(
-            id = "virtual_item_$index"
+    fun create(virtualItem: VirtualTimelineItem.DayDivider): TimelineItemVirtualModel {
+        return TimelineItemDaySeparatorModel(
+            day = "${virtualItem.ts}"
         )
     }
 }

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/factories/virtual/TimelineItemVirtualFactory.kt

@@ -0,0 +1,52 @@
+/*
+ * 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.timeline.factories.virtual
+
+import io.element.android.features.messages.timeline.model.TimelineItem
+import io.element.android.features.messages.timeline.model.virtual.TimelineItemLoadingModel
+import io.element.android.features.messages.timeline.model.virtual.TimelineItemReadMarkerModel
+import io.element.android.features.messages.timeline.model.virtual.TimelineItemUnknownVirtualModel
+import io.element.android.features.messages.timeline.model.virtual.TimelineItemVirtualModel
+import io.element.android.libraries.matrix.timeline.MatrixTimelineItem
+import org.matrix.rustcomponents.sdk.VirtualTimelineItem
+import javax.inject.Inject
+
+class TimelineItemVirtualFactory @Inject constructor(
+    private val daySeparatorFactory: TimelineItemDaySeparatorFactory,
+) {
+
+    suspend fun create(
+        currentTimelineItem: MatrixTimelineItem.Virtual,
+        index: Int,
+        timelineItems: List<MatrixTimelineItem>,
+    ): TimelineItem.Virtual {
+        return TimelineItem.Virtual(
+            id = "virtual_item_$index",
+            model = currentTimelineItem.computeModel(index)
+        )
+    }
+
+    private fun MatrixTimelineItem.Virtual.computeModel(index: Int): TimelineItemVirtualModel {
+        return when (val inner = virtual) {
+            is VirtualTimelineItem.DayDivider -> daySeparatorFactory.create(inner)
+            is VirtualTimelineItem.ReadMarker -> TimelineItemReadMarkerModel
+            is VirtualTimelineItem.LoadingIndicator -> TimelineItemLoadingModel
+            is VirtualTimelineItem.TimelineStart -> TimelineItemReadMarkerModel
+            else -> TimelineItemUnknownVirtualModel
+        }
+    }
+}

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/TimelineItem.kt

@@ -17,14 +17,16 @@
 package io.element.android.features.messages.timeline.model
 
 import androidx.compose.runtime.Immutable
-import io.element.android.features.messages.timeline.model.content.TimelineItemContent
+import io.element.android.features.messages.timeline.model.event.TimelineItemEventContent
+import io.element.android.features.messages.timeline.model.virtual.TimelineItemVirtualModel
 import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.matrix.core.EventId
 
 @Immutable
 sealed interface TimelineItem {
     data class Virtual(
-        val id: String
+        val id: String,
+        val model: TimelineItemVirtualModel
     ) : TimelineItem
 
     data class Event(
@@ -32,7 +34,7 @@ sealed interface TimelineItem {
         val senderId: String,
         val senderDisplayName: String?,
         val senderAvatar: AvatarData,
-        val content: TimelineItemContent,
+        val content: TimelineItemEventContent,
         val sentTime: String = "",
         val isMine: Boolean = false,
         val groupPosition: MessagesItemGroupPosition = MessagesItemGroupPosition.None,

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/event/TimelineItemEmoteContent.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.model.content
+package io.element.android.features.messages.timeline.model.event
 
 import org.jsoup.nodes.Document
 

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/event/TimelineItemEncryptedContent.kt

@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.model.content
+package io.element.android.features.messages.timeline.model.event
 
 import org.matrix.rustcomponents.sdk.EncryptedMessage
 
 data class TimelineItemEncryptedContent(
     val encryptedMessage: EncryptedMessage
-) : TimelineItemContent
+) : TimelineItemEventContent

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/event/TimelineItemEventContent.kt

@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.model.content
+package io.element.android.features.messages.timeline.model.event
 
 import androidx.compose.ui.tooling.preview.PreviewParameterProvider
 import org.matrix.rustcomponents.sdk.EncryptedMessage
 
-sealed interface TimelineItemContent
+sealed interface TimelineItemEventContent
 
-class MessagesTimelineItemContentProvider : PreviewParameterProvider<TimelineItemContent> {
+class MessagesTimelineItemContentProvider : PreviewParameterProvider<TimelineItemEventContent> {
     override val values = sequenceOf(
         TimelineItemEmoteContent(
             body = "Emote",

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/event/TimelineItemImageContent.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.model.content
+package io.element.android.features.messages.timeline.model.event
 
 import io.element.android.libraries.matrix.media.MediaResolver
 
@@ -23,4 +23,4 @@ data class TimelineItemImageContent(
     val imageMeta: MediaResolver.Meta,
     val blurhash: String?,
     val aspectRatio: Float
-) : TimelineItemContent
+) : TimelineItemEventContent

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/event/TimelineItemNoticeContent.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.model.content
+package io.element.android.features.messages.timeline.model.event
 
 import org.jsoup.nodes.Document
 

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/event/TimelineItemRedactedContent.kt

@@ -14,6 +14,6 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.model.content
+package io.element.android.features.messages.timeline.model.event
 
-object TimelineItemRedactedContent : TimelineItemContent
+object TimelineItemRedactedContent : TimelineItemEventContent

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/event/TimelineItemTextBasedContent.kt

@@ -14,11 +14,11 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.model.content
+package io.element.android.features.messages.timeline.model.event
 
 import org.jsoup.nodes.Document
 
-sealed interface TimelineItemTextBasedContent : TimelineItemContent {
+sealed interface TimelineItemTextBasedContent : TimelineItemEventContent {
     val body: String
     val htmlDocument: Document?
 }

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/event/TimelineItemTextContent.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.model.content
+package io.element.android.features.messages.timeline.model.event
 
 import org.jsoup.nodes.Document
 

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/event/TimelineItemUnknownContent.kt

@@ -14,6 +14,6 @@
  * limitations under the License.
  */
 
-package io.element.android.features.messages.timeline.model.content
+package io.element.android.features.messages.timeline.model.event
 
-object TimelineItemUnknownContent : TimelineItemContent
+object TimelineItemUnknownContent : TimelineItemEventContent

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/virtual/TimelineItemDaySeparatorModel.kt

@@ -0,0 +1,21 @@
+/*
+ * 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.timeline.model.virtual
+
+data class TimelineItemDaySeparatorModel(
+    val day: String
+) : TimelineItemVirtualModel

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/virtual/TimelineItemLoadingModel.kt

@@ -0,0 +1,19 @@
+/*
+ * 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.timeline.model.virtual
+
+object TimelineItemLoadingModel : TimelineItemVirtualModel

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/virtual/TimelineItemReadMarkerModel.kt

@@ -0,0 +1,19 @@
+/*
+ * 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.timeline.model.virtual
+
+object TimelineItemReadMarkerModel : TimelineItemVirtualModel

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/virtual/TimelineItemTimelineStartModel.kt

@@ -0,0 +1,19 @@
+/*
+ * 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.timeline.model.virtual
+
+object TimelineItemTimelineStartModel : TimelineItemVirtualModel

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/virtual/TimelineItemUnknownVirtualModel.kt

@@ -0,0 +1,19 @@
+/*
+ * 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.timeline.model.virtual
+
+object TimelineItemUnknownVirtualModel : TimelineItemVirtualModel

features/messages/src/main/kotlin/io/element/android/features/messages/timeline/model/virtual/TimelineItemVirtualModel.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.features.messages.timeline.model.virtual
+
+import androidx.compose.runtime.Immutable
+
+@Immutable
+sealed interface TimelineItemVirtualModel

libraries/matrix/src/main/kotlin/io/element/android/libraries/matrix/RustMatrixClient.kt

@@ -36,6 +36,7 @@ import org.matrix.rustcomponents.sdk.ClientDelegate
 import org.matrix.rustcomponents.sdk.MediaSource
 import org.matrix.rustcomponents.sdk.RequiredState
 import org.matrix.rustcomponents.sdk.SlidingSyncMode
+import org.matrix.rustcomponents.sdk.SlidingSyncRequestListFilters
 import org.matrix.rustcomponents.sdk.SlidingSyncViewBuilder
 import org.matrix.rustcomponents.sdk.StoppableSpawn
 import timber.log.Timber
@@ -66,7 +67,22 @@ internal class RustMatrixClient internal constructor(
         }
     }
 
-    private val slidingSyncView = SlidingSyncViewBuilder()
+    private val slidingSyncFilters by lazy {
+        SlidingSyncRequestListFilters(
+            isDm = null,
+            spaces = emptyList(),
+            isEncrypted = null,
+            isInvite = false,
+            isTombstoned = false,
+            roomTypes = emptyList(),
+            notRoomTypes = listOf("m.space"),
+            roomNameLike = null,
+            tags = emptyList(),
+            notTags = emptyList()
+        )
+    }
+
+    private val visibleRoomsView = SlidingSyncViewBuilder()
         .timelineLimit(limit = 10u)
         .requiredState(
             requiredState = listOf(
@@ -74,17 +90,19 @@ internal class RustMatrixClient internal constructor(
                 RequiredState(key = "m.room.encryption", value = ""),
             )
         )
-        .name(name = "HomeScreenView")
+        .filters(slidingSyncFilters)
+        .name(name = "CurrentlyVisibleRooms")
+        .sendUpdatesForItems(true)
         .syncMode(mode = SlidingSyncMode.SELECTIVE)
-        .addRange(0u, 30u)
+        .addRange(0u, 20u)
         .build()
 
     private val slidingSync = client
         .slidingSync()
-        .homeserver("https://slidingsync.lab.element.dev")
+        .homeserver("https://slidingsync.lab.matrix.org")
         .withCommonExtensions()
-        // .coldCache("ElementX")
-        .addView(slidingSyncView)
+        .coldCache("ElementX")
+        .addView(visibleRoomsView)
         .build()
 
     private val slidingSyncObserverProxy = SlidingSyncObserverProxy(coroutineScope)
@@ -92,7 +110,7 @@ internal class RustMatrixClient internal constructor(
         RustRoomSummaryDataSource(
             slidingSyncObserverProxy.updateSummaryFlow,
             slidingSync,
-            slidingSyncView,
+            visibleRoomsView,
             dispatchers,
             ::onRestartSync
         )

libraries/matrix/src/main/kotlin/io/element/android/libraries/matrix/timeline/MatrixTimelineItem.kt

@@ -18,13 +18,14 @@ package io.element.android.libraries.matrix.timeline
 
 import org.matrix.rustcomponents.sdk.EventTimelineItem
 import org.matrix.rustcomponents.sdk.TimelineItem
+import org.matrix.rustcomponents.sdk.VirtualTimelineItem
 
 sealed interface MatrixTimelineItem {
     data class Event(val event: EventTimelineItem) : MatrixTimelineItem {
         val uniqueId: String = event.uniqueIdentifier()
     }
 
-    object Virtual : MatrixTimelineItem
+    data class Virtual(val virtual: VirtualTimelineItem) : MatrixTimelineItem
     object Other : MatrixTimelineItem
 }
 
@@ -35,7 +36,7 @@ fun TimelineItem.asMatrixTimelineItem(): MatrixTimelineItem {
     }
     val asVirtual = asVirtual()
     if (asVirtual != null) {
-        return MatrixTimelineItem.Virtual
+        return MatrixTimelineItem.Virtual(asVirtual)
     }
     return MatrixTimelineItem.Other
 }

libraries/matrix/src/main/kotlin/io/element/android/libraries/matrix/tracing/TracingConfiguration.kt

@@ -17,48 +17,59 @@
 package io.element.android.libraries.matrix.tracing
 
 data class TracingConfiguration(
-    val common: LogLevel = LogLevel.Warn,
-    val targets: Map<Target, LogLevel> = emptyMap()
+    val overrides: Map<Target, LogLevel> = emptyMap()
 ) {
 
-    val filter = "$common,${
-        targets.map { "${it.key.filter}=${it.value.filter}" }.joinToString(separator = ",")
-    }"
+    private val targets = mapOf(
+        Target.Common to LogLevel.Warn,
+        Target.Hyper to LogLevel.Warn,
+        Target.Sled to LogLevel.Warn,
+        Target.MatrixSdk.Sled to LogLevel.Warn,
+        Target.MatrixSdk.HttpClient to LogLevel.Trace,
+        Target.MatrixSdk.SlidingSync to LogLevel.Trace,
+        Target.MatrixSdk.BaseSlidingSync to LogLevel.Trace
+    )
 
-    sealed class Target(open val filter: String) {
-        object Hyper : Target("hyper")
-        object Sled : Target("sled")
-        sealed class MatrixSdk(override val filter: String) : Target(filter) {
-            object Root : MatrixSdk("matrix_sdk")
-            object Sled : MatrixSdk("matrix_sdk_sled")
-            object FFI : MatrixSdk("matrix_sdk_ffi")
-            object HttpClient : MatrixSdk("matrix_sdk::http_client")
-            object UniffiAPI : MatrixSdk("matrix_sdk_ffi::uniffi_api")
-            object SlidingSync : MatrixSdk("matrix_sdk::sliding_sync")
-            object BaseSlidingSync : MatrixSdk("matrix_sdk_base::sliding_sync")
+    val filter: String
+        get() {
+            val newTargets = HashMap(targets)
+            overrides.forEach { (target, logLevel) ->
+                newTargets[target] = logLevel
+            }
+            return newTargets.map { "${it.key.filter}=${it.value.filter}" }.joinToString(separator = ",")
         }
-    }
+}
 
-    sealed class LogLevel(val filter: String) {
-        object Warn : LogLevel("warn")
-        object Trace : LogLevel("trace")
-        object Info : LogLevel("info")
-        object Debug : LogLevel("debug")
-        object Error : LogLevel("error")
+sealed class Target(open val filter: String) {
+    object Common : Target("common")
+    object Hyper : Target("hyper")
+    object Sled : Target("sled")
+    sealed class MatrixSdk(override val filter: String) : Target(filter) {
+        object Root : MatrixSdk("matrix_sdk")
+        object Sled : MatrixSdk("matrix_sdk_sled")
+        object FFI : MatrixSdk("matrix_sdk_ffi")
+        object HttpClient : MatrixSdk("matrix_sdk::http_client")
+        object UniffiAPI : MatrixSdk("matrix_sdk_ffi::uniffi_api")
+        object SlidingSync : MatrixSdk("matrix_sdk::sliding_sync")
+        object BaseSlidingSync : MatrixSdk("matrix_sdk_base::sliding_sync")
     }
 }
 
+sealed class LogLevel(val filter: String) {
+    object Warn : LogLevel("warn")
+    object Trace : LogLevel("trace")
+    object Info : LogLevel("info")
+    object Debug : LogLevel("debug")
+    object Error : LogLevel("error")
+}
+
 fun setupTracing(tracingConfiguration: TracingConfiguration) {
     org.matrix.rustcomponents.sdk.setupTracing(tracingConfiguration.filter)
 }
 
 object TracingConfigurations {
-    val release = TracingConfiguration(common = TracingConfiguration.LogLevel.Info)
-    val debug = TracingConfiguration()
-    val full = TracingConfiguration(
-        common = TracingConfiguration.LogLevel.Info,
-        targets = mapOf(
-            TracingConfiguration.Target.Sled to TracingConfiguration.LogLevel.Warn
-        )
-    )
+    val release = TracingConfiguration(overrides = mapOf(Target.Common to LogLevel.Info))
+    val debug = TracingConfiguration(overrides = mapOf(Target.Common to LogLevel.Info))
+
+    fun custom(overrides: Map<Target, LogLevel>) = TracingConfiguration(overrides)
 }