TimelineEncryptedHistoryBannerView: render depend on verification and key backup state (#1576)

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

@@ -20,6 +20,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
@@ -30,12 +31,17 @@ import im.vector.app.features.analytics.plan.PollEnd
 import im.vector.app.features.analytics.plan.PollVote
 import io.element.android.features.messages.impl.timeline.factories.TimelineItemsFactory
 import io.element.android.features.messages.impl.timeline.model.TimelineItem
+import io.element.android.features.messages.impl.timeline.session.SessionState
 import io.element.android.libraries.architecture.Presenter
 import io.element.android.libraries.core.coroutine.CoroutineDispatchers
 import io.element.android.libraries.matrix.api.core.EventId
+import io.element.android.libraries.matrix.api.encryption.BackupState
+import io.element.android.libraries.matrix.api.encryption.EncryptionService
 import io.element.android.libraries.matrix.api.room.MatrixRoom
 import io.element.android.libraries.matrix.api.room.MessageEventType
 import io.element.android.libraries.matrix.api.timeline.item.event.TimelineItemEventOrigin
+import io.element.android.libraries.matrix.api.verification.SessionVerificationService
+import io.element.android.libraries.matrix.api.verification.SessionVerifiedStatus
 import io.element.android.libraries.matrix.ui.room.canSendMessageAsState
 import io.element.android.services.analytics.api.AnalyticsService
 import kotlinx.collections.immutable.ImmutableList
@@ -55,6 +61,8 @@ class TimelinePresenter @Inject constructor(
     private val dispatchers: CoroutineDispatchers,
     private val appScope: CoroutineScope,
     private val analyticsService: AnalyticsService,
+    private val verificationService: SessionVerificationService,
+    private val encryptionService: EncryptionService,
 ) : Presenter<TimelineState> {
 
     private val timeline = room.timeline
@@ -77,6 +85,18 @@ class TimelinePresenter @Inject constructor(
         val prevMostRecentItemId = rememberSaveable { mutableStateOf<String?>(null) }
         val hasNewItems = remember { mutableStateOf(false) }
 
+        val sessionVerifiedStatus by verificationService.sessionVerifiedStatus.collectAsState()
+        val keyBackupState by encryptionService.backupStateStateFlow.collectAsState()
+
+        val sessionState by remember {
+            derivedStateOf {
+                SessionState(
+                    isSessionVerified = sessionVerifiedStatus == SessionVerifiedStatus.Verified,
+                    isKeyBackupEnabled = keyBackupState == BackupState.ENABLED
+                )
+            }
+        }
+
         fun handleEvents(event: TimelineEvents) {
             when (event) {
                 TimelineEvents.LoadMore -> localScope.paginateBackwards()
@@ -131,6 +151,7 @@ class TimelinePresenter @Inject constructor(
             paginationState = paginationState,
             timelineItems = timelineItems,
             hasNewItems = hasNewItems.value,
+            sessionState = sessionState,
             eventSink = ::handleEvents
         )
     }

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

@@ -18,6 +18,7 @@ package io.element.android.features.messages.impl.timeline
 
 import androidx.compose.runtime.Immutable
 import io.element.android.features.messages.impl.timeline.model.TimelineItem
+import io.element.android.features.messages.impl.timeline.session.SessionState
 import io.element.android.libraries.matrix.api.core.EventId
 import io.element.android.libraries.matrix.api.timeline.MatrixTimeline
 import kotlinx.collections.immutable.ImmutableList
@@ -29,5 +30,6 @@ data class TimelineState(
     val userHasPermissionToSendMessage: Boolean,
     val paginationState: MatrixTimeline.PaginationState,
     val hasNewItems: Boolean,
+    val sessionState: SessionState,
     val eventSink: (TimelineEvents) -> Unit
 )

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

@@ -24,6 +24,7 @@ import io.element.android.features.messages.impl.timeline.model.event.TimelineIt
 import io.element.android.features.messages.impl.timeline.model.event.aTimelineItemStateEventContent
 import io.element.android.features.messages.impl.timeline.model.event.aTimelineItemTextContent
 import io.element.android.features.messages.impl.timeline.model.virtual.aTimelineItemDaySeparatorModel
+import io.element.android.features.messages.impl.timeline.session.aSessionState
 import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.matrix.api.core.EventId
@@ -46,6 +47,10 @@ fun aTimelineState(timelineItems: ImmutableList<TimelineItem> = persistentListOf
     highlightedEventId = null,
     userHasPermissionToSendMessage = true,
     hasNewItems = false,
+    sessionState = aSessionState(
+        isSessionVerified = true,
+        isKeyBackupEnabled = true,
+    ),
     eventSink = {},
 )
 

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

@@ -67,6 +67,7 @@ import io.element.android.features.messages.impl.timeline.model.event.TimelineIt
 import io.element.android.features.messages.impl.timeline.model.event.TimelineItemEventContentProvider
 import io.element.android.features.messages.impl.timeline.model.event.TimelineItemStateContent
 import io.element.android.features.messages.impl.timeline.model.event.canBeRepliedTo
+import io.element.android.features.messages.impl.timeline.session.SessionState
 import io.element.android.libraries.designsystem.animation.alphaAnimation
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
@@ -133,6 +134,7 @@ fun TimelineView(
                     onReactionLongClick = onReactionLongClicked,
                     onMoreReactionsClick = onMoreReactionsClicked,
                     onTimestampClicked = onTimestampClicked,
+                    sessionState = state.sessionState,
                     eventSink = state.eventSink,
                     onSwipeToReply = onSwipeToReply,
                 )
@@ -162,6 +164,7 @@ private fun TimelineItemRow(
     timelineItem: TimelineItem,
     highlightedItem: String?,
     userHasPermissionToSendMessage: Boolean,
+    sessionState: SessionState,
     onUserDataClick: (UserId) -> Unit,
     onClick: (TimelineItem.Event) -> Unit,
     onLongClick: (TimelineItem.Event) -> Unit,
@@ -178,6 +181,7 @@ private fun TimelineItemRow(
         is TimelineItem.Virtual -> {
             TimelineItemVirtualRow(
                 virtual = timelineItem,
+                sessionState = sessionState,
                 modifier = modifier,
             )
         }
@@ -234,6 +238,7 @@ private fun TimelineItemRow(
                             TimelineItemRow(
                                 timelineItem = subGroupEvent,
                                 highlightedItem = highlightedItem,
+                                sessionState = sessionState,
                                 userHasPermissionToSendMessage = false,
                                 onClick = onClick,
                                 onLongClick = onLongClick,

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

@@ -18,6 +18,7 @@ package io.element.android.features.messages.impl.timeline.components
 
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import io.element.android.features.messages.impl.timeline.session.SessionState
 import io.element.android.features.messages.impl.timeline.components.virtual.TimelineEncryptedHistoryBannerView
 import io.element.android.features.messages.impl.timeline.components.virtual.TimelineItemDaySeparatorView
 import io.element.android.features.messages.impl.timeline.model.TimelineItem
@@ -28,12 +29,13 @@ import io.element.android.features.messages.impl.timeline.model.virtual.Timeline
 @Composable
 fun TimelineItemVirtualRow(
     virtual: TimelineItem.Virtual,
+    sessionState: SessionState,
     modifier: Modifier = Modifier
 ) {
     when (virtual.model) {
         is TimelineItemDaySeparatorModel -> TimelineItemDaySeparatorView(virtual.model, modifier)
         TimelineItemReadMarkerModel -> return
-        is TimelineItemEncryptedHistoryBannerVirtualModel -> TimelineEncryptedHistoryBannerView(modifier)
+        is TimelineItemEncryptedHistoryBannerVirtualModel -> TimelineEncryptedHistoryBannerView(sessionState, modifier)
     }
 }
 

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/virtual/TimelineEncryptedHistoryBannerView.kt

@@ -16,19 +16,24 @@
 
 package io.element.android.features.messages.impl.timeline.components.virtual
 
+import androidx.annotation.StringRes
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.unit.dp
 import io.element.android.features.messages.impl.R
+import io.element.android.features.messages.impl.timeline.session.SessionState
+import io.element.android.features.messages.impl.timeline.session.SessionStateProvider
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
 import io.element.android.libraries.designsystem.theme.components.Icon
@@ -36,7 +41,10 @@ import io.element.android.libraries.designsystem.utils.CommonDrawables
 import io.element.android.libraries.theme.ElementTheme
 
 @Composable
-fun TimelineEncryptedHistoryBannerView(modifier: Modifier = Modifier) {
+fun TimelineEncryptedHistoryBannerView(
+    sessionState: SessionState,
+    modifier: Modifier = Modifier,
+) {
     Row(
         modifier = modifier
             .padding(start = 16.dp, end = 16.dp, top = 24.dp, bottom = 32.dp)
@@ -44,25 +52,35 @@ fun TimelineEncryptedHistoryBannerView(modifier: Modifier = Modifier) {
             .border(1.dp, ElementTheme.colors.borderInfoSubtle, MaterialTheme.shapes.small)
             .background(ElementTheme.colors.bgInfoSubtle)
             .padding(16.dp),
-        horizontalArrangement = Arrangement.spacedBy(16.dp)
+        horizontalArrangement = Arrangement.spacedBy(16.dp),
     ) {
         Icon(
+            modifier = Modifier.size(20.dp),
             resourceId = CommonDrawables.ic_compound_info,
             contentDescription = "Info",
             tint = ElementTheme.colors.iconInfoPrimary
         )
         Text(
-            text = stringResource(R.string.screen_room_encrypted_history_banner),
+            text = stringResource(sessionState.toStringResId()),
             style = ElementTheme.typography.fontBodyMdMedium,
             color = ElementTheme.colors.textInfoPrimary
         )
     }
 }
 
+@StringRes
+private fun SessionState.toStringResId(): Int {
+    return when {
+        isSessionVerified.not() -> R.string.screen_room_encrypted_history_banner_unverified
+        isKeyBackupEnabled.not() -> R.string.screen_room_encrypted_history_banner
+        else -> R.string.screen_room_encrypted_history_banner // TODO strings need to be updated
+    }
+}
+
 @PreviewsDayNight
 @Composable
-internal fun TimelineEncryptedHistoryBannerViewPreview() {
-    ElementPreview {
-        TimelineEncryptedHistoryBannerView()
-    }
+internal fun TimelineEncryptedHistoryBannerViewPreview(
+    @PreviewParameter(SessionStateProvider::class) sessionState: SessionState,
+) = ElementPreview {
+    TimelineEncryptedHistoryBannerView(sessionState = sessionState)
 }

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

@@ -16,6 +16,6 @@
 
 package io.element.android.features.messages.impl.timeline.model.virtual
 
-object TimelineItemEncryptedHistoryBannerVirtualModel : TimelineItemVirtualModel {
+data object TimelineItemEncryptedHistoryBannerVirtualModel : TimelineItemVirtualModel {
     override val type: String = "TimelineItemEncryptedHistoryBannerVirtualModel"
 }

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

@@ -16,6 +16,6 @@
 
 package io.element.android.features.messages.impl.timeline.model.virtual
 
-object TimelineItemReadMarkerModel : TimelineItemVirtualModel {
+data object TimelineItemReadMarkerModel : TimelineItemVirtualModel {
     override val type: String = "TimelineItemReadMarkerModel"
 }

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/session/SessionState.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.impl.timeline.session
+
+data class SessionState(
+    val isSessionVerified: Boolean,
+    val isKeyBackupEnabled: Boolean,
+)

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/session/SessionStateProvider.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.features.messages.impl.timeline.session
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+
+open class SessionStateProvider : PreviewParameterProvider<SessionState> {
+    override val values: Sequence<SessionState>
+        get() = sequenceOf(
+            aSessionState(isSessionVerified = false, isKeyBackupEnabled = false),
+            aSessionState(isSessionVerified = true, isKeyBackupEnabled = false),
+            aSessionState(isSessionVerified = true, isKeyBackupEnabled = true),
+        )
+}
+
+internal fun aSessionState(
+    isSessionVerified: Boolean = false,
+    isKeyBackupEnabled: Boolean = false,
+) = SessionState(
+    isSessionVerified = isSessionVerified,
+    isKeyBackupEnabled = isKeyBackupEnabled,
+)

features/messages/impl/src/test/kotlin/io/element/android/features/messages/MessagesPresenterTest.kt

@@ -43,7 +43,6 @@ import io.element.android.features.messages.impl.timeline.model.event.TimelineIt
 import io.element.android.features.messages.impl.voicemessages.composer.VoiceMessageComposerPlayer
 import io.element.android.features.messages.impl.voicemessages.composer.VoiceMessageComposerPresenter
 import io.element.android.features.messages.media.FakeLocalMediaFactory
-import io.element.android.libraries.mediaplayer.test.FakeMediaPlayer
 import io.element.android.features.messages.textcomposer.TestRichTextEditorStateFactory
 import io.element.android.features.messages.timeline.components.customreaction.FakeEmojibaseProvider
 import io.element.android.features.messages.utils.messagesummary.FakeMessageSummaryFormatter
@@ -71,10 +70,13 @@ import io.element.android.libraries.matrix.test.A_SESSION_ID
 import io.element.android.libraries.matrix.test.A_SESSION_ID_2
 import io.element.android.libraries.matrix.test.FakeMatrixClient
 import io.element.android.libraries.matrix.test.core.aBuildMeta
+import io.element.android.libraries.matrix.test.encryption.FakeEncryptionService
 import io.element.android.libraries.matrix.test.room.FakeMatrixRoom
 import io.element.android.libraries.matrix.test.room.aRoomInfo
 import io.element.android.libraries.matrix.test.room.aRoomMember
+import io.element.android.libraries.matrix.test.verification.FakeSessionVerificationService
 import io.element.android.libraries.mediapickers.test.FakePickerProvider
+import io.element.android.libraries.mediaplayer.test.FakeMediaPlayer
 import io.element.android.libraries.mediaupload.api.MediaSender
 import io.element.android.libraries.mediaupload.test.FakeMediaPreProcessor
 import io.element.android.libraries.permissions.api.PermissionsPresenter
@@ -647,6 +649,8 @@ class MessagesPresenterTest {
             dispatchers = coroutineDispatchers,
             appScope = this,
             analyticsService = analyticsService,
+            encryptionService = FakeEncryptionService(),
+            verificationService = FakeSessionVerificationService(),
         )
         val preferencesStore = InMemoryPreferencesStore(isRichTextEditorEnabled = true)
         val actionListPresenter = ActionListPresenter(preferencesStore = preferencesStore)

features/messages/impl/src/test/kotlin/io/element/android/features/messages/timeline/TimelinePresenterTest.kt

@@ -24,6 +24,7 @@ import im.vector.app.features.analytics.plan.PollEnd
 import im.vector.app.features.analytics.plan.PollVote
 import io.element.android.features.messages.fixtures.aMessageEvent
 import io.element.android.features.messages.fixtures.aTimelineItemsFactory
+import io.element.android.features.messages.impl.timeline.session.SessionState
 import io.element.android.features.messages.impl.timeline.TimelineEvents
 import io.element.android.features.messages.impl.timeline.TimelinePresenter
 import io.element.android.features.messages.impl.timeline.factories.TimelineItemsFactory
@@ -35,10 +36,12 @@ import io.element.android.libraries.matrix.api.timeline.item.event.EventReaction
 import io.element.android.libraries.matrix.api.timeline.item.event.ReactionSender
 import io.element.android.libraries.matrix.api.timeline.item.virtual.VirtualTimelineItem
 import io.element.android.libraries.matrix.test.AN_EVENT_ID
+import io.element.android.libraries.matrix.test.encryption.FakeEncryptionService
 import io.element.android.libraries.matrix.test.room.FakeMatrixRoom
 import io.element.android.libraries.matrix.test.room.aMessageContent
 import io.element.android.libraries.matrix.test.room.anEventTimelineItem
 import io.element.android.libraries.matrix.test.timeline.FakeMatrixTimeline
+import io.element.android.libraries.matrix.test.verification.FakeSessionVerificationService
 import io.element.android.libraries.matrix.ui.components.aMatrixUserList
 import io.element.android.services.analytics.test.FakeAnalyticsService
 import io.element.android.tests.testutils.WarmUpRule
@@ -67,6 +70,7 @@ class TimelinePresenterTest {
             assertThat(initialState.timelineItems).isEmpty()
             val loadedNoTimelineState = awaitItem()
             assertThat(loadedNoTimelineState.timelineItems).isEmpty()
+            assertThat(loadedNoTimelineState.sessionState).isEqualTo(SessionState(isSessionVerified = false, isKeyBackupEnabled = false))
         }
     }
 
@@ -228,8 +232,8 @@ class TimelinePresenterTest {
                     senders = listOf(alice, charlie)
                 ),
                 EventReaction(
-                key = "👍",
-                senders = listOf(alice, bob)
+                    key = "👍",
+                    senders = listOf(alice, bob)
                 ),
                 EventReaction(
                     key = "🐶",
@@ -316,6 +320,8 @@ class TimelinePresenterTest {
             dispatchers = testCoroutineDispatchers(),
             appScope = this,
             analyticsService = FakeAnalyticsService(),
+            encryptionService = FakeEncryptionService(),
+            verificationService = FakeSessionVerificationService(),
         )
     }
 
@@ -329,6 +335,8 @@ class TimelinePresenterTest {
             dispatchers = testCoroutineDispatchers(),
             appScope = this,
             analyticsService = analyticsService,
+            encryptionService = FakeEncryptionService(),
+            verificationService = FakeSessionVerificationService(),
         )
     }
 }

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

@@ -528,7 +528,7 @@ class RustMatrixRoom(
                 override fun acquireCapabilities(capabilities: WidgetCapabilities): WidgetCapabilities {
                     return capabilities
                 }
-           },
+            },
         )
     }