Add screen to render Spaces (they are not supported yet)

appnav/src/main/kotlin/io/element/android/appnav/room/RoomFlowNode.kt

@@ -128,7 +128,15 @@ class RoomFlowNode @AssistedInject constructor(
                 Timber.d("Room membership: ${roomInfo.map { it.currentUserMembership }}")
                 val info = roomInfo.getOrNull()
                 if (info?.currentUserMembership == CurrentUserMembership.JOINED) {
-                    backstack.newRoot(NavTarget.JoinedRoom(roomId))
+                    if (info.isSpace) {
+                        // It should not happen, but probably due to an issue in the sliding sync,
+                        // we can have a space here in case the space has just been joined.
+                        // So navigate to the JoinRoom target for now, which will
+                        // handle the space not supported screen
+                        backstack.newRoot(NavTarget.JoinRoom(roomId))
+                    } else {
+                        backstack.newRoot(NavTarget.JoinedRoom(roomId))
+                    }
                 } else {
                     backstack.newRoot(NavTarget.JoinRoom(roomId))
                 }

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenter.kt

@@ -37,6 +37,7 @@ import io.element.android.features.roomdirectory.api.RoomDescription
 import io.element.android.libraries.architecture.AsyncAction
 import io.element.android.libraries.architecture.Presenter
 import io.element.android.libraries.architecture.runUpdatingState
+import io.element.android.libraries.core.meta.BuildMeta
 import io.element.android.libraries.matrix.api.MatrixClient
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
@@ -57,6 +58,7 @@ class JoinRoomPresenter @AssistedInject constructor(
     private val matrixClient: MatrixClient,
     private val knockRoom: KnockRoom,
     private val acceptDeclineInvitePresenter: Presenter<AcceptDeclineInviteState>,
+    private val buildMeta: BuildMeta,
 ) : Presenter<JoinRoomState> {
     interface Factory {
         fun create(
@@ -135,6 +137,7 @@ class JoinRoomPresenter @AssistedInject constructor(
             contentState = contentState,
             acceptDeclineInviteState = acceptDeclineInviteState,
             knockAction = knockAction.value,
+            applicationName = buildMeta.applicationName,
             eventSink = ::handleEvents
         )
     }

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomState.kt

@@ -32,6 +32,7 @@ data class JoinRoomState(
     val contentState: ContentState,
     val acceptDeclineInviteState: AcceptDeclineInviteState,
     val knockAction: AsyncAction<Unit>,
+    val applicationName: String,
     val eventSink: (JoinRoomEvents) -> Unit
 ) {
     val joinAuthorisationStatus = when (contentState) {

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomStateProvider.kt

@@ -75,6 +75,15 @@ open class JoinRoomStateProvider : PreviewParameterProvider<JoinRoomState> {
             aJoinRoomState(
                 contentState = aFailureContentState(roomIdOrAlias = A_ROOM_ALIAS.toRoomIdOrAlias())
             ),
+            aJoinRoomState(
+                contentState = aLoadedContentState(
+                    roomId = RoomId("!aSpaceId:domain"),
+                    name = "A space",
+                    alias = null,
+                    topic = "This is the topic of a space",
+                    roomType = RoomType.Space,
+                )
+            ),
         )
 }
 
@@ -122,6 +131,7 @@ fun aJoinRoomState(
     contentState = contentState,
     acceptDeclineInviteState = acceptDeclineInviteState,
     knockAction = knockAction,
+    applicationName = "AppName",
     eventSink = eventSink
 )
 

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomView.kt

@@ -20,8 +20,10 @@ import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
@@ -33,6 +35,7 @@ import androidx.compose.ui.text.font.FontStyle
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.unit.dp
+import io.element.android.compound.theme.ElementTheme
 import io.element.android.libraries.designsystem.atomic.atoms.PlaceholderAtom
 import io.element.android.libraries.designsystem.atomic.atoms.RoomPreviewDescriptionAtom
 import io.element.android.libraries.designsystem.atomic.atoms.RoomPreviewSubtitleAtom
@@ -55,6 +58,7 @@ import io.element.android.libraries.designsystem.theme.components.OutlinedButton
 import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.designsystem.theme.components.TopAppBar
 import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
+import io.element.android.libraries.matrix.api.room.RoomType
 import io.element.android.libraries.matrix.ui.components.InviteSenderView
 import io.element.android.libraries.ui.strings.CommonStrings
 
@@ -76,7 +80,10 @@ fun JoinRoomView(
                 JoinRoomTopBar(onBackClicked = onBackPressed)
             },
             content = {
-                JoinRoomContent(contentState = state.contentState)
+                JoinRoomContent(
+                    contentState = state.contentState,
+                    applicationName = state.applicationName,
+                )
             },
             footer = {
                 JoinRoomFooter(
@@ -95,7 +102,8 @@ fun JoinRoomView(
                     },
                     onRetry = {
                         state.eventSink(JoinRoomEvents.RetryFetchingContent)
-                    }
+                    },
+                    onGoBack = onBackPressed,
                 )
             }
         )
@@ -116,6 +124,7 @@ private fun JoinRoomFooter(
     onJoinRoom: () -> Unit,
     onKnockRoom: () -> Unit,
     onRetry: () -> Unit,
+    onGoBack: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
     if (state.contentState is ContentState.Failure) {
@@ -125,6 +134,13 @@ private fun JoinRoomFooter(
             modifier = modifier.fillMaxWidth(),
             size = ButtonSize.Large,
         )
+    } else if (state.contentState is ContentState.Loaded && state.contentState.roomType == RoomType.Space) {
+        Button(
+            text = stringResource(CommonStrings.action_go_back),
+            onClick = onGoBack,
+            modifier = modifier.fillMaxWidth(),
+            size = ButtonSize.Large,
+        )
     } else {
         val joinAuthorisationStatus = state.joinAuthorisationStatus
         when (joinAuthorisationStatus) {
@@ -171,6 +187,7 @@ private fun JoinRoomFooter(
 @Composable
 private fun JoinRoomContent(
     contentState: ContentState,
+    applicationName: String,
     modifier: Modifier = Modifier,
 ) {
     when (contentState) {
@@ -211,6 +228,21 @@ private fun JoinRoomContent(
                             InviteSenderView(inviteSender = inviteSender)
                         }
                         RoomPreviewDescriptionAtom(contentState.topic ?: "")
+                        if (contentState.roomType == RoomType.Space) {
+                            Spacer(modifier = Modifier.height(24.dp))
+                            Text(
+                                text = stringResource(R.string.screen_join_room_space_not_supported_title),
+                                textAlign = TextAlign.Center,
+                                style = ElementTheme.typography.fontBodyLgMedium,
+                                color = MaterialTheme.colorScheme.primary,
+                            )
+                            Text(
+                                text = stringResource(R.string.screen_join_room_space_not_supported_description, applicationName),
+                                textAlign = TextAlign.Center,
+                                style = ElementTheme.typography.fontBodyMdRegular,
+                                color = MaterialTheme.colorScheme.secondary,
+                            )
+                        }
                     }
                 },
                 memberCount = {

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/di/JoinRoomModule.kt

@@ -23,6 +23,7 @@ import io.element.android.features.invite.api.response.AcceptDeclineInviteState
 import io.element.android.features.joinroom.impl.JoinRoomPresenter
 import io.element.android.features.roomdirectory.api.RoomDescription
 import io.element.android.libraries.architecture.Presenter
+import io.element.android.libraries.core.meta.BuildMeta
 import io.element.android.libraries.di.SessionScope
 import io.element.android.libraries.matrix.api.MatrixClient
 import io.element.android.libraries.matrix.api.core.RoomId
@@ -37,6 +38,7 @@ object JoinRoomModule {
         client: MatrixClient,
         knockRoom: KnockRoom,
         acceptDeclineInvitePresenter: Presenter<AcceptDeclineInviteState>,
+        buildMeta: BuildMeta,
     ): JoinRoomPresenter.Factory {
         return object : JoinRoomPresenter.Factory {
             override fun create(
@@ -51,6 +53,7 @@ object JoinRoomModule {
                     matrixClient = client,
                     knockRoom = knockRoom,
                     acceptDeclineInvitePresenter = acceptDeclineInvitePresenter,
+                    buildMeta = buildMeta,
                 )
             }
         }

features/joinroom/impl/src/main/res/values/localazy.xml

@@ -2,6 +2,8 @@
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
   <string name="screen_join_room_join_action">"Join room"</string>
   <string name="screen_join_room_knock_action">"Knock to join"</string>
+  <string name="screen_join_room_space_not_supported_description">"%1$s does not support spaces yet. You can access spaces on web."</string>
+  <string name="screen_join_room_space_not_supported_title">"Spaces are not supported yet"</string>
   <string name="screen_join_room_subtitle_knock">"Click the button below and a room administrator will be notified. You’ll be able to join the conversation once approved."</string>
   <string name="screen_join_room_subtitle_no_preview">"You must be a member of this room to view the message history."</string>
   <string name="screen_join_room_title_knock">"Want to join this room?"</string>

features/joinroom/impl/src/test/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenterTest.kt

@@ -24,6 +24,7 @@ import io.element.android.features.joinroom.impl.di.KnockRoom
 import io.element.android.features.roomdirectory.api.RoomDescription
 import io.element.android.libraries.architecture.AsyncAction
 import io.element.android.libraries.architecture.Presenter
+import io.element.android.libraries.core.meta.BuildMeta
 import io.element.android.libraries.matrix.api.MatrixClient
 import io.element.android.libraries.matrix.api.core.RoomAlias
 import io.element.android.libraries.matrix.api.core.RoomId
@@ -36,6 +37,7 @@ import io.element.android.libraries.matrix.test.AN_EXCEPTION
 import io.element.android.libraries.matrix.test.A_ROOM_ID
 import io.element.android.libraries.matrix.test.A_ROOM_NAME
 import io.element.android.libraries.matrix.test.FakeMatrixClient
+import io.element.android.libraries.matrix.test.core.aBuildMeta
 import io.element.android.libraries.matrix.test.room.aRoomInfo
 import io.element.android.libraries.matrix.test.room.aRoomMember
 import io.element.android.libraries.matrix.ui.model.toInviteSender
@@ -62,6 +64,7 @@ class JoinRoomPresenterTest {
                 assertThat(state.contentState).isEqualTo(ContentState.Loading(A_ROOM_ID.toRoomIdOrAlias()))
                 assertThat(state.joinAuthorisationStatus).isEqualTo(JoinAuthorisationStatus.Unknown)
                 assertThat(state.acceptDeclineInviteState).isEqualTo(anAcceptDeclineInviteState())
+                assertThat(state.applicationName).isEqualTo("AppName")
                 cancelAndIgnoreRemainingEvents()
             }
         }
@@ -414,6 +417,7 @@ class JoinRoomPresenterTest {
         roomDescription: Optional<RoomDescription> = Optional.empty(),
         matrixClient: MatrixClient = FakeMatrixClient(),
         knockRoom: KnockRoom = FakeKnockRoom(),
+        buildMeta: BuildMeta = aBuildMeta(applicationName = "AppName"),
         acceptDeclineInvitePresenter: Presenter<AcceptDeclineInviteState> = Presenter { anAcceptDeclineInviteState() }
     ): JoinRoomPresenter {
         return JoinRoomPresenter(
@@ -422,6 +426,7 @@ class JoinRoomPresenterTest {
             roomDescription = roomDescription,
             matrixClient = matrixClient,
             knockRoom = knockRoom,
+            buildMeta = buildMeta,
             acceptDeclineInvitePresenter = acceptDeclineInvitePresenter
         )
     }

features/joinroom/impl/src/test/kotlin/io/element/android/features/joinroom/impl/JoinRoomViewTest.kt

@@ -21,6 +21,7 @@ import androidx.compose.ui.test.junit4.AndroidComposeTestRule
 import androidx.compose.ui.test.junit4.createAndroidComposeRule
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import io.element.android.libraries.architecture.AsyncAction
+import io.element.android.libraries.matrix.api.room.RoomType
 import io.element.android.libraries.ui.strings.CommonStrings
 import io.element.android.tests.testutils.EnsureNeverCalled
 import io.element.android.tests.testutils.EventsRecorder
@@ -128,6 +129,21 @@ class JoinRoomViewTest {
         rule.clickOn(CommonStrings.action_retry)
         eventsRecorder.assertSingle(JoinRoomEvents.RetryFetchingContent)
     }
+
+    @Test
+    fun `clicking on Go back when a space is displayed invokes the expected callback`() {
+        val eventsRecorder = EventsRecorder<JoinRoomEvents>(expectEvents = false)
+        ensureCalledOnce {
+            rule.setJoinRoomView(
+                aJoinRoomState(
+                    contentState = aLoadedContentState(roomType = RoomType.Space),
+                    eventSink = eventsRecorder,
+                ),
+                onBackPressed = it
+            )
+            rule.clickOn(CommonStrings.action_go_back)
+        }
+    }
 }
 
 private fun <R : TestRule> AndroidComposeTestRule<R, ComponentActivity>.setJoinRoomView(

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/atomic/atoms/RoomPreviewSubtitleAtom.kt

@@ -27,7 +27,7 @@ fun RoomPreviewSubtitleAtom(subtitle: String, modifier: Modifier = Modifier) {
     Text(
         modifier = modifier,
         text = subtitle,
-        style = ElementTheme.typography.fontBodyLgRegular,
+        style = ElementTheme.typography.fontBodyMdRegular,
         textAlign = TextAlign.Center,
         color = ElementTheme.colors.textSecondary,
     )