Create RoomListStateProvider

features/roomlist/src/main/kotlin/io/element/android/features/roomlist/RoomListView.kt

@@ -32,21 +32,19 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.unit.Velocity
 import io.element.android.features.roomlist.components.RoomListTopBar
 import io.element.android.features.roomlist.components.RoomSummaryRow
 import io.element.android.features.roomlist.model.RoomListEvents
 import io.element.android.features.roomlist.model.RoomListRoomSummary
 import io.element.android.features.roomlist.model.RoomListState
-import io.element.android.features.roomlist.model.aRoomListState
+import io.element.android.features.roomlist.model.RoomListStateProvider
-import io.element.android.features.roomlist.model.stubbedRoomSummaries
-import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.designsystem.preview.ElementPreviewDark
 import io.element.android.libraries.designsystem.preview.ElementPreviewLight
 import io.element.android.libraries.designsystem.theme.components.Scaffold
 import io.element.android.libraries.designsystem.utils.LogCompositions
 import io.element.android.libraries.matrix.core.RoomId
-import io.element.android.libraries.matrix.core.UserId
 import io.element.android.libraries.matrix.ui.model.MatrixUser
 import kotlinx.collections.immutable.ImmutableList
 
@@ -158,19 +156,15 @@ private fun RoomListRoomSummary.contentType() = isPlaceholder
 
 @Preview
 @Composable
-internal fun RoomListViewLightPreview() = ElementPreviewLight { ContentToPreview() }
+internal fun RoomListViewLightPreview(@PreviewParameter(RoomListStateProvider::class) state: RoomListState) =
+    ElementPreviewLight { ContentToPreview(state) }
 
 @Preview
 @Composable
-internal fun RoomListViewDarkPreview() = ElementPreviewDark { ContentToPreview() }
+internal fun RoomListViewDarkPreview(@PreviewParameter(RoomListStateProvider::class) state: RoomListState) =
+    ElementPreviewDark { ContentToPreview(state) }
 
 @Composable
-private fun ContentToPreview() {
+private fun ContentToPreview(state: RoomListState) {
-    RoomListView(
+    RoomListView(state)
-        aRoomListState().copy(
-            matrixUser = MatrixUser(id = UserId("@id"), username = "User#1", avatarData = AvatarData("@id", "U")),
-            roomList = stubbedRoomSummaries(),
-            filter = "filter",
-        )
-    )
 }

features/roomlist/src/main/kotlin/io/element/android/features/roomlist/model/RoomListStateProvider.kt

@@ -16,11 +16,45 @@
 
 package io.element.android.features.roomlist.model
 
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import io.element.android.libraries.designsystem.components.avatar.AvatarData
+import io.element.android.libraries.matrix.core.UserId
+import io.element.android.libraries.matrix.ui.model.MatrixUser
+import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 
-fun aRoomListState() = RoomListState(
+open class RoomListStateProvider : PreviewParameterProvider<RoomListState> {
-    matrixUser = null,
+    override val values: Sequence<RoomListState>
-    roomList = persistentListOf(),
+        get() = sequenceOf(
-    filter = "",
+            aRoomListState(),
+        )
+}
+
+internal fun aRoomListState() = RoomListState(
+    matrixUser = MatrixUser(id = UserId("@id"), username = "User#1", avatarData = AvatarData("@id", "U")),
+    roomList = aRoomListRoomSummaryList(),
+    filter = "filter",
     eventSink = {}
 )
+
+internal fun aRoomListRoomSummaryList(): ImmutableList<RoomListRoomSummary> {
+    return persistentListOf(
+        RoomListRoomSummary(
+            name = "Room",
+            hasUnread = true,
+            timestamp = "14:18",
+            lastMessage = "A very very very very long message which suites on two lines",
+            avatarData = AvatarData("!id", "R"),
+            id = "roomId"
+        ),
+        RoomListRoomSummary(
+            name = "Room#2",
+            hasUnread = false,
+            timestamp = "14:16",
+            lastMessage = "A short message",
+            avatarData = AvatarData("!id", "Z"),
+            id = "roomId2"
+        ),
+        RoomListRoomSummaryPlaceholders.create("roomId2")
+    )
+}

features/roomlist/src/main/kotlin/io/element/android/features/roomlist/model/stubbed.kt

@@ -1,43 +0,0 @@
-/*
- * Copyright (c) 2022 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.roomlist.model
-
-import io.element.android.libraries.designsystem.components.avatar.AvatarData
-import kotlinx.collections.immutable.ImmutableList
-import kotlinx.collections.immutable.persistentListOf
-
-internal fun stubbedRoomSummaries(): ImmutableList<RoomListRoomSummary> {
-    return persistentListOf(
-        RoomListRoomSummary(
-            name = "Room",
-            hasUnread = true,
-            timestamp = "14:18",
-            lastMessage = "A very very very very long message which suites on two lines",
-            avatarData = AvatarData("!id", "R"),
-            id = "roomId"
-        ),
-        RoomListRoomSummary(
-            name = "Room#2",
-            hasUnread = false,
-            timestamp = "14:16",
-            lastMessage = "A short message",
-            avatarData = AvatarData("!id", "Z"),
-            id = "roomId2"
-        ),
-        RoomListRoomSummaryPlaceholders.create("roomId2")
-    )
-}