Merge branch 'develop' into feature/bca/rust_flavor

changelog.d/7824.feature

@@ -0,0 +1 @@
+[Poll] Warning message on decryption failure of some events

changelog.d/7864.wip

@@ -0,0 +1 @@
+[Poll] History list: Load more UI mechanism

dependencies.gradle

@@ -18,7 +18,7 @@ def markwon = "4.6.2"
 def moshi = "1.14.0"
 def lifecycle = "2.5.1"
 def flowBinding = "1.2.0"
-def flipper = "0.176.1"
+def flipper = "0.177.0"
 def epoxy = "5.0.0"
 def mavericks = "3.0.1"
 def glide = "4.14.2"
@@ -103,7 +103,7 @@ ext.libs = [
         ],
         element     : [
                 'opusencoder'             : "io.element.android:opusencoder:1.1.0",
-                'wysiwyg'                 : "io.element.android:wysiwyg:0.17.0"
+                'wysiwyg'                 : "io.element.android:wysiwyg:0.18.0"
         ],
         squareup    : [
                 'moshi'                  : "com.squareup.moshi:moshi:$moshi",

library/ui-strings/src/main/res/values/strings.xml

@@ -795,7 +795,7 @@
     <string name="thread_list_modal_my_threads_subtitle">Shows all threads you’ve participated in</string>
     <string name="thread_list_empty_title">Keep discussions organized with threads</string>
     <string name="thread_list_empty_subtitle">Threads help keep your conversations on-topic and easy to track.</string>
-    <string name="thread_list_not_available">You\'re homeserver does not support listing threads yet.</string>
+    <string name="thread_list_not_available">Your homeserver does not support listing threads yet.</string>
     <!-- Parameter %s will be replaced by the value of string reply_in_thread -->
     <string name="thread_list_empty_notice">Tip: Long tap a message and use “%s”.</string>
     <string name="search_thread_from_a_thread">From a Thread</string>
@@ -3207,10 +3207,22 @@
     <string name="closed_poll_option_title">Closed poll</string>
     <string name="closed_poll_option_description">Results are only revealed when you end the poll</string>
     <string name="ended_poll_indicator">Ended the poll.</string>
+    <string name="unable_to_decrypt_some_events_in_poll">Due to decryption errors, some votes may not be counted</string>
     <string name="room_polls_active">Active polls</string>
     <string name="room_polls_active_no_item">There are no active polls in this room</string>
+    <plurals name="room_polls_active_no_item_for_loaded_period">
+        <item quantity="one">"There are no active polls for the past day.\nLoad more polls to view polls for previous days."</item>
+        <item quantity="other">"There are no active polls for the past %1$d days.\nLoad more polls to view polls for previous days."</item>
+    </plurals>
     <string name="room_polls_ended">Past polls</string>
     <string name="room_polls_ended_no_item">There are no past polls in this room</string>
+    <plurals name="room_polls_ended_no_item_for_loaded_period">
+        <item quantity="one">"There are no past polls for the past day.\nLoad more polls to view polls for previous days."</item>
+        <item quantity="other">"There are no past polls for the past %1$d days.\nLoad more polls to view polls for previous days."</item>
+    </plurals>
+    <string name="room_polls_wait_for_display">Displaying polls</string>
+    <string name="room_polls_load_more">Load more polls</string>
+    <string name="room_polls_loading_error">Error fetching polls.</string>
 
     <!-- Location -->
     <string name="location_activity_title_static_sharing">Share location</string>

matrix-sdk-android/src/kotlinCrypto/java/org/matrix/android/sdk/internal/crypto/EventDecryptor.kt

@@ -59,7 +59,7 @@ internal class EventDecryptor @Inject constructor(
         private val sendToDeviceTask: SendToDeviceTask,
         private val deviceListManager: DeviceListManager,
         private val ensureOlmSessionsForDevicesAction: EnsureOlmSessionsForDevicesAction,
-        private val cryptoStore: IMXCryptoStore
+        private val cryptoStore: IMXCryptoStore,
 ) {
 
     /**

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/model/PollResponseAggregatedSummary.kt

@@ -23,5 +23,7 @@ data class PollResponseAggregatedSummary(
         val nbOptions: Int = 0,
         // The list of the eventIDs used to build the summary (might be out of sync if chunked received from message chunk)
         val sourceEvents: List<String>,
-        val localEchos: List<String>
+        val localEchos: List<String>,
+        // list of related event ids which are encrypted due to decryption failure
+        val encryptedRelatedEventIds: List<String>,
 )

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/EventInsertLiveObserver.kt

@@ -17,11 +17,16 @@
 package org.matrix.android.sdk.internal.database
 
 import com.zhuinden.monarchy.Monarchy
+import io.realm.Realm
 import io.realm.RealmConfiguration
 import io.realm.RealmResults
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
+import org.matrix.android.sdk.api.session.events.model.Event
+import org.matrix.android.sdk.api.session.events.model.EventType
+import org.matrix.android.sdk.api.session.events.model.content.EncryptedEventContent
+import org.matrix.android.sdk.api.session.events.model.toModel
 import org.matrix.android.sdk.internal.database.mapper.asDomain
 import org.matrix.android.sdk.internal.database.model.EventEntity
 import org.matrix.android.sdk.internal.database.model.EventInsertEntity
@@ -34,7 +39,7 @@ import javax.inject.Inject
 
 internal class EventInsertLiveObserver @Inject constructor(
         @SessionDatabase realmConfiguration: RealmConfiguration,
-        private val processors: Set<@JvmSuppressWildcards EventInsertLiveProcessor>
+        private val processors: Set<@JvmSuppressWildcards EventInsertLiveProcessor>,
 ) :
         RealmLiveEntityObserver<EventInsertEntity>(realmConfiguration) {
 
@@ -50,11 +55,11 @@ internal class EventInsertLiveObserver @Inject constructor(
                 if (!results.isLoaded || results.isEmpty()) {
                     return@withLock
                 }
-                val idsToDeleteAfterProcess = ArrayList<String>()
+                val eventsToProcess = ArrayList<EventInsertEntity>(results.size)
-                val filteredEvents = ArrayList<EventInsertEntity>(results.size)
+                val eventsToIgnore = ArrayList<EventInsertEntity>(results.size)
+
                 Timber.v("EventInsertEntity updated with ${results.size} results in db")
                 results.forEach {
-                    if (shouldProcess(it)) {
                     // don't use copy from realm over there
                     val copiedEvent = EventInsertEntity(
                             eventId = it.eventId,
@@ -62,36 +67,78 @@ internal class EventInsertLiveObserver @Inject constructor(
                     ).apply {
                         insertType = it.insertType
                     }
-                        filteredEvents.add(copiedEvent)
+
+                    if (shouldProcess(it)) {
+                        eventsToProcess.add(copiedEvent)
+                    } else {
+                        eventsToIgnore.add(copiedEvent)
                     }
-                    idsToDeleteAfterProcess.add(it.eventId)
                 }
+
                 awaitTransaction(realmConfiguration) { realm ->
-                    Timber.v("##Transaction: There are ${filteredEvents.size} events to process ")
+                    Timber.v("##Transaction: There are ${eventsToProcess.size} events to process")
-                    filteredEvents.forEach { eventInsert ->
+
+                    val idsToDeleteAfterProcess = ArrayList<String>()
+                    val idsOfEncryptedEvents = ArrayList<String>()
+                    val getAndTriageEvent: (EventInsertEntity) -> Event? = { eventInsert ->
                         val eventId = eventInsert.eventId
-                        val event = EventEntity.where(realm, eventId).findFirst()
+                        val event = getEvent(realm, eventId)
-                        if (event == null) {
+                        if (event?.getClearType() == EventType.ENCRYPTED) {
-                            Timber.v("Event $eventId not found")
+                            idsOfEncryptedEvents.add(eventId)
+                        } else {
+                            idsToDeleteAfterProcess.add(eventId)
+                        }
+                        event
+                    }
+
+                    eventsToProcess.forEach { eventInsert ->
+                        val eventId = eventInsert.eventId
+                        val event = getAndTriageEvent(eventInsert)
+
+                        if (event != null && canProcessEvent(event)) {
+                            processors.filter {
+                                it.shouldProcess(eventId, event.getClearType(), eventInsert.insertType)
+                            }.forEach {
+                                it.process(realm, event)
+                            }
+                        } else {
+                            Timber.v("Cannot process event with id $eventId")
                             return@forEach
                         }
-                        val domainEvent = event.asDomain()
-                        processors.filter {
-                            it.shouldProcess(eventId, domainEvent.getClearType(), eventInsert.insertType)
-                        }.forEach {
-                            it.process(realm, domainEvent)
-                        }
                     }
+
+                    eventsToIgnore.forEach { getAndTriageEvent(it) }
+
                     realm.where(EventInsertEntity::class.java)
                             .`in`(EventInsertEntityFields.EVENT_ID, idsToDeleteAfterProcess.toTypedArray())
                             .findAll()
                             .deleteAllFromRealm()
+
+                    // make the encrypted events not processable: they will be processed again after decryption
+                    realm.where(EventInsertEntity::class.java)
+                            .`in`(EventInsertEntityFields.EVENT_ID, idsOfEncryptedEvents.toTypedArray())
+                            .findAll()
+                            .forEach { it.canBeProcessed = false }
                 }
                 processors.forEach { it.onPostProcess() }
             }
         }
     }
 
+    private fun getEvent(realm: Realm, eventId: String): Event? {
+        val event = EventEntity.where(realm, eventId).findFirst()
+        if (event == null) {
+            Timber.v("Event $eventId not found")
+        }
+        return event?.asDomain()
+    }
+
+    private fun canProcessEvent(event: Event): Boolean {
+        // event should be either not encrypted or if encrypted it should contain relatesTo content
+        return event.getClearType() != EventType.ENCRYPTED ||
+                event.content.toModel<EncryptedEventContent>()?.relatesTo != null
+    }
+
     private fun shouldProcess(eventInsertEntity: EventInsertEntity): Boolean {
         return processors.any {
             it.shouldProcess(eventInsertEntity.eventId, eventInsertEntity.eventType, eventInsertEntity.insertType)

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/RealmSessionStoreMigration.kt

@@ -64,6 +64,7 @@ import org.matrix.android.sdk.internal.database.migration.MigrateSessionTo044
 import org.matrix.android.sdk.internal.database.migration.MigrateSessionTo045
 import org.matrix.android.sdk.internal.database.migration.MigrateSessionTo046
 import org.matrix.android.sdk.internal.database.migration.MigrateSessionTo047
+import org.matrix.android.sdk.internal.database.migration.MigrateSessionTo048
 import org.matrix.android.sdk.internal.util.Normalizer
 import org.matrix.android.sdk.internal.util.database.MatrixRealmMigration
 import javax.inject.Inject
@@ -72,7 +73,7 @@ internal class RealmSessionStoreMigration @Inject constructor(
         private val normalizer: Normalizer
 ) : MatrixRealmMigration(
         dbName = "Session",
-        schemaVersion = 47L,
+        schemaVersion = 48L,
 ) {
     /**
      * Forces all RealmSessionStoreMigration instances to be equal.
@@ -129,5 +130,6 @@ internal class RealmSessionStoreMigration @Inject constructor(
         if (oldVersion < 45) MigrateSessionTo045(realm).perform()
         if (oldVersion < 46) MigrateSessionTo046(realm).perform()
         if (oldVersion < 47) MigrateSessionTo047(realm).perform()
+        if (oldVersion < 48) MigrateSessionTo048(realm).perform()
     }
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/mapper/PollResponseAggregatedSummaryEntityMapper.kt

@@ -30,7 +30,8 @@ internal object PollResponseAggregatedSummaryEntityMapper {
                 closedTime = entity.closedTime,
                 localEchos = entity.sourceLocalEchoEvents.toList(),
                 sourceEvents = entity.sourceEvents.toList(),
-                nbOptions = entity.nbOptions
+                nbOptions = entity.nbOptions,
+                encryptedRelatedEventIds = entity.encryptedRelatedEventIds.toList(),
         )
     }
 
@@ -40,7 +41,8 @@ internal object PollResponseAggregatedSummaryEntityMapper {
                 nbOptions = model.nbOptions,
                 closedTime = model.closedTime,
                 sourceEvents = RealmList<String>().apply { addAll(model.sourceEvents) },
-                sourceLocalEchoEvents = RealmList<String>().apply { addAll(model.localEchos) }
+                sourceLocalEchoEvents = RealmList<String>().apply { addAll(model.localEchos) },
+                encryptedRelatedEventIds = RealmList<String>().apply { addAll(model.encryptedRelatedEventIds) },
         )
     }
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/migration/MigrateSessionTo048.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2023 The Matrix.org Foundation C.I.C.
+ *
+ * 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 org.matrix.android.sdk.internal.database.migration
+
+import io.realm.DynamicRealm
+import org.matrix.android.sdk.internal.database.model.PollResponseAggregatedSummaryEntityFields
+import org.matrix.android.sdk.internal.util.database.RealmMigrator
+
+/**
+ * Adding a new field in poll summary to keep track of non decrypted related events.
+ */
+internal class MigrateSessionTo048(realm: DynamicRealm) : RealmMigrator(realm, 48) {
+
+    override fun doMigrate(realm: DynamicRealm) {
+        realm.schema.get("PollResponseAggregatedSummaryEntity")
+                ?.addRealmListField(PollResponseAggregatedSummaryEntityFields.ENCRYPTED_RELATED_EVENT_IDS.`$`, String::class.java)
+    }
+}

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/model/EventInsertEntity.kt

@@ -27,7 +27,7 @@ internal open class EventInsertEntity(
         var eventType: String = "",
         /**
          * This flag will be used to filter EventInsertEntity in EventInsertLiveObserver.
-         * Currently it's set to false when the event content is encrypted.
+         * Currently it's set to false after an event with encrypted content has been processed.
          */
         var canBeProcessed: Boolean = true
 ) : RealmObject() {

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/model/PollResponseAggregatedSummaryEntity.kt

@@ -33,7 +33,9 @@ internal open class PollResponseAggregatedSummaryEntity(
 
         // The list of the eventIDs used to build the summary (might be out of sync if chunked received from message chunk)
         var sourceEvents: RealmList<String> = RealmList(),
-        var sourceLocalEchoEvents: RealmList<String> = RealmList()
+        var sourceLocalEchoEvents: RealmList<String> = RealmList(),
+        // list of related event ids which are encrypted due to decryption failure
+        var encryptedRelatedEventIds: RealmList<String> = RealmList(),
 ) : RealmObject() {
 
     companion object

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/model/SessionRealmModule.kt

@@ -72,7 +72,7 @@ import org.matrix.android.sdk.internal.database.model.threads.ThreadSummaryEntit
             SpaceParentSummaryEntity::class,
             UserPresenceEntity::class,
             ThreadSummaryEntity::class,
-            ThreadListPageEntity::class
+            ThreadListPageEntity::class,
         ]
 )
 internal class SessionRealmModule

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/query/EventEntityQueries.kt

@@ -20,7 +20,6 @@ import io.realm.Realm
 import io.realm.RealmList
 import io.realm.RealmQuery
 import io.realm.kotlin.where
-import org.matrix.android.sdk.api.session.events.model.EventType
 import org.matrix.android.sdk.internal.database.model.EventEntity
 import org.matrix.android.sdk.internal.database.model.EventEntityFields
 import org.matrix.android.sdk.internal.database.model.EventInsertEntity
@@ -32,10 +31,9 @@ internal fun EventEntity.copyToRealmOrIgnore(realm: Realm, insertType: EventInse
             .equalTo(EventEntityFields.ROOM_ID, roomId)
             .findFirst()
     return if (eventEntity == null) {
-        val canBeProcessed = type != EventType.ENCRYPTED || decryptionResultJson != null
+        val insertEntity = EventInsertEntity(eventId = eventId, eventType = type, canBeProcessed = true)
-        val insertEntity = EventInsertEntity(eventId = eventId, eventType = type, canBeProcessed = canBeProcessed).apply {
+        insertEntity.insertType = insertType
-            this.insertType = insertType
+
-        }
         realm.insert(insertEntity)
         // copy this event entity and return it
         realm.copyToRealm(this)

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/EventRelationsAggregationProcessor.kt

@@ -61,6 +61,7 @@ import org.matrix.android.sdk.internal.di.UserId
 import org.matrix.android.sdk.internal.session.EventInsertLiveProcessor
 import org.matrix.android.sdk.internal.session.room.aggregation.livelocation.LiveLocationAggregationProcessor
 import org.matrix.android.sdk.internal.session.room.aggregation.poll.PollAggregationProcessor
+import org.matrix.android.sdk.internal.session.room.aggregation.utd.EncryptedReferenceAggregationProcessor
 import org.matrix.android.sdk.internal.session.room.state.StateEventDataSource
 import org.matrix.android.sdk.internal.util.time.Clock
 import timber.log.Timber
@@ -73,6 +74,7 @@ internal class EventRelationsAggregationProcessor @Inject constructor(
         private val sessionManager: SessionManager,
         private val liveLocationAggregationProcessor: LiveLocationAggregationProcessor,
         private val pollAggregationProcessor: PollAggregationProcessor,
+        private val encryptedReferenceAggregationProcessor: EncryptedReferenceAggregationProcessor,
         private val editValidator: EventEditValidator,
         private val clock: Clock,
 ) : EventInsertLiveProcessor {
@@ -140,6 +142,16 @@ internal class EventRelationsAggregationProcessor @Inject constructor(
                     Timber.v("###REACTION in room $roomId , reaction eventID ${event.eventId}")
                     handleReaction(realm, event, roomId, isLocalEcho)
                 }
+                EventType.ENCRYPTED -> {
+                    val encryptedEventContent = event.content.toModel<EncryptedEventContent>()
+                    processEncryptedContent(
+                            encryptedEventContent = encryptedEventContent,
+                            realm = realm,
+                            event = event,
+                            roomId = roomId,
+                            isLocalEcho = isLocalEcho,
+                    )
+                }
                 EventType.MESSAGE -> {
                     if (event.unsignedData?.relations?.annotations != null) {
                         Timber.v("###REACTION Aggregation in room $roomId for event ${event.eventId}")
@@ -170,32 +182,6 @@ internal class EventRelationsAggregationProcessor @Inject constructor(
                         }
                     }
                 }
-                // As for now Live event processors are not receiving UTD events.
-                // They will get an update if the event is decrypted later
-                EventType.ENCRYPTED -> {
-                    // Relation type is in clear, it might be possible to do some things?
-                    // Notice that if the event is decrypted later, process be called again
-                    val encryptedEventContent = event.content.toModel<EncryptedEventContent>()
-                    when (encryptedEventContent?.relatesTo?.type) {
-                        RelationType.REPLACE -> {
-                            Timber.v("###REPLACE in room $roomId for event ${event.eventId}")
-                            // A replace!
-                            handleReplace(realm, event, roomId, isLocalEcho, encryptedEventContent.relatesTo.eventId)
-                        }
-                        RelationType.RESPONSE -> {
-                            // can we / should we do we something for UTD response??
-                            Timber.w("## UTD response in room $roomId related to ${encryptedEventContent.relatesTo.eventId}")
-                        }
-                        RelationType.REFERENCE -> {
-                            // can we / should we do we something for UTD reference??
-                            Timber.w("## UTD reference in room $roomId related to ${encryptedEventContent.relatesTo.eventId}")
-                        }
-                        RelationType.ANNOTATION -> {
-                            // can we / should we do we something for UTD annotation??
-                            Timber.w("## UTD annotation in room $roomId related to ${encryptedEventContent.relatesTo.eventId}")
-                        }
-                    }
-                }
                 EventType.REDACTION -> {
                     val eventToPrune = event.redacts?.let { EventEntity.where(realm, eventId = it).findFirst() }
                             ?: return
@@ -250,6 +236,36 @@ internal class EventRelationsAggregationProcessor @Inject constructor(
         }
     }
 
+    private fun processEncryptedContent(
+            encryptedEventContent: EncryptedEventContent?,
+            realm: Realm,
+            event: Event,
+            roomId: String,
+            isLocalEcho: Boolean,
+    ) {
+        when (encryptedEventContent?.relatesTo?.type) {
+            RelationType.REPLACE -> {
+                Timber.w("## UTD replace in room $roomId for event ${event.eventId}")
+            }
+            RelationType.RESPONSE -> {
+                Timber.w("## UTD response in room $roomId related to ${encryptedEventContent.relatesTo.eventId}")
+            }
+            RelationType.REFERENCE -> {
+                Timber.w("## UTD reference in room $roomId related to ${encryptedEventContent.relatesTo.eventId}")
+                encryptedReferenceAggregationProcessor.handle(
+                        realm = realm,
+                        event = event,
+                        isLocalEcho = isLocalEcho,
+                        relatedEventId = encryptedEventContent.relatesTo.eventId,
+                )
+            }
+            RelationType.ANNOTATION -> {
+                Timber.w("## UTD annotation in room $roomId related to ${encryptedEventContent.relatesTo.eventId}")
+            }
+            else -> Unit
+        }
+    }
+
     // OPT OUT serer aggregation until API mature enough
     private val SHOULD_HANDLE_SERVER_AGREGGATION = false // should be true to work with e2e
 

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/aggregation/poll/DefaultPollAggregationProcessor.kt

@@ -155,6 +155,8 @@ internal class DefaultPollAggregationProcessor @Inject constructor(
         )
         aggregatedPollSummaryEntity.aggregatedContent = ContentMapper.map(newSumModel.toContent())
 
+        event.eventId?.let { removeEncryptedRelatedEventIdIfNeeded(aggregatedPollSummaryEntity, it) }
+
         return true
     }
 
@@ -180,6 +182,8 @@ internal class DefaultPollAggregationProcessor @Inject constructor(
             aggregatedPollSummaryEntity.sourceEvents.add(event.eventId)
         }
 
+        event.eventId?.let { removeEncryptedRelatedEventIdIfNeeded(aggregatedPollSummaryEntity, it) }
+
         if (!isLocalEcho) {
             ensurePollIsFullyAggregated(roomId, pollEventId)
         }
@@ -226,4 +230,10 @@ internal class DefaultPollAggregationProcessor @Inject constructor(
             fetchPollResponseEventsTask.execute(params)
         }
     }
+
+    private fun removeEncryptedRelatedEventIdIfNeeded(aggregatedPollSummaryEntity: PollResponseAggregatedSummaryEntity, eventId: String) {
+        if (aggregatedPollSummaryEntity.encryptedRelatedEventIds.contains(eventId)) {
+            aggregatedPollSummaryEntity.encryptedRelatedEventIds.remove(eventId)
+        }
+    }
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/aggregation/poll/PollAggregationProcessor.kt

@@ -21,7 +21,7 @@ import org.matrix.android.sdk.api.session.Session
 import org.matrix.android.sdk.api.session.events.model.Event
 import org.matrix.android.sdk.api.session.room.powerlevels.PowerLevelsHelper
 
-interface PollAggregationProcessor {
+internal interface PollAggregationProcessor {
     /**
      * Poll start events don't need to be processed by the aggregator.
      * This function will only handle if the poll is edited and will update the poll summary entity.

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/aggregation/utd/EncryptedReferenceAggregationProcessor.kt

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2022 The Matrix.org Foundation C.I.C.
+ *
+ * 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 org.matrix.android.sdk.internal.session.room.aggregation.utd
+
+import io.realm.Realm
+import org.matrix.android.sdk.api.session.events.model.Event
+import org.matrix.android.sdk.internal.database.model.PollResponseAggregatedSummaryEntity
+import org.matrix.android.sdk.internal.database.model.PollResponseAggregatedSummaryEntityFields
+import javax.inject.Inject
+
+internal class EncryptedReferenceAggregationProcessor @Inject constructor() {
+
+    fun handle(
+            realm: Realm,
+            event: Event,
+            isLocalEcho: Boolean,
+            relatedEventId: String?
+    ): Boolean {
+        return if (isLocalEcho || relatedEventId.isNullOrEmpty()) {
+            false
+        } else {
+            handlePollReference(realm = realm, event = event, relatedEventId = relatedEventId)
+            true
+        }
+    }
+
+    private fun handlePollReference(
+            realm: Realm,
+            event: Event,
+            relatedEventId: String
+    ) {
+        event.eventId?.let { eventId ->
+            val existingRelatedPoll = getPollSummaryWithEventId(realm, relatedEventId)
+            if (eventId !in existingRelatedPoll?.encryptedRelatedEventIds.orEmpty()) {
+                existingRelatedPoll?.encryptedRelatedEventIds?.add(eventId)
+            }
+        }
+    }
+
+    private fun getPollSummaryWithEventId(realm: Realm, eventId: String): PollResponseAggregatedSummaryEntity? {
+        return realm.where(PollResponseAggregatedSummaryEntity::class.java)
+                .containsValue(PollResponseAggregatedSummaryEntityFields.SOURCE_EVENTS.`$`, eventId)
+                .findFirst()
+    }
+}

matrix-sdk-android/src/test/java/org/matrix/android/sdk/internal/session/room/EventRelationsAggregationProcessorTest.kt

@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2022 The Matrix.org Foundation C.I.C.
+ *
+ * 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 org.matrix.android.sdk.internal.session.room
+
+import io.mockk.every
+import io.mockk.mockk
+import org.junit.Test
+import org.matrix.android.sdk.api.session.events.model.Event
+import org.matrix.android.sdk.api.session.events.model.EventType
+import org.matrix.android.sdk.api.session.events.model.RelationType
+import org.matrix.android.sdk.api.session.events.model.content.EncryptedEventContent
+import org.matrix.android.sdk.api.session.events.model.toContent
+import org.matrix.android.sdk.api.session.room.model.relation.RelationDefaultContent
+import org.matrix.android.sdk.internal.database.model.EventAnnotationsSummaryEntity
+import org.matrix.android.sdk.internal.database.model.EventAnnotationsSummaryEntityFields
+import org.matrix.android.sdk.test.fakes.FakeClock
+import org.matrix.android.sdk.test.fakes.FakeRealm
+import org.matrix.android.sdk.test.fakes.FakeStateEventDataSource
+import org.matrix.android.sdk.test.fakes.givenEqualTo
+import org.matrix.android.sdk.test.fakes.givenFindFirst
+import org.matrix.android.sdk.test.fakes.internal.FakeEventEditValidator
+import org.matrix.android.sdk.test.fakes.internal.FakeLiveLocationAggregationProcessor
+import org.matrix.android.sdk.test.fakes.internal.FakePollAggregationProcessor
+import org.matrix.android.sdk.test.fakes.internal.FakeSessionManager
+import org.matrix.android.sdk.test.fakes.internal.session.room.aggregation.utd.FakeEncryptedReferenceAggregationProcessor
+
+private const val A_ROOM_ID = "room-id"
+private const val AN_EVENT_ID = "event-id"
+
+internal class EventRelationsAggregationProcessorTest {
+
+    private val fakeStateEventDataSource = FakeStateEventDataSource()
+    private val fakeSessionManager = FakeSessionManager()
+    private val fakeLiveLocationAggregationProcessor = FakeLiveLocationAggregationProcessor()
+    private val fakePollAggregationProcessor = FakePollAggregationProcessor()
+    private val fakeEncryptedReferenceAggregationProcessor = FakeEncryptedReferenceAggregationProcessor()
+    private val fakeEventEditValidator = FakeEventEditValidator()
+    private val fakeClock = FakeClock()
+    private val fakeRealm = FakeRealm()
+
+    private val encryptedEventRelationsAggregationProcessor = EventRelationsAggregationProcessor(
+            userId = "userId",
+            stateEventDataSource = fakeStateEventDataSource.instance,
+            sessionId = "sessionId",
+            sessionManager = fakeSessionManager.instance,
+            liveLocationAggregationProcessor = fakeLiveLocationAggregationProcessor.instance,
+            pollAggregationProcessor = fakePollAggregationProcessor.instance,
+            encryptedReferenceAggregationProcessor = fakeEncryptedReferenceAggregationProcessor.instance,
+            editValidator = fakeEventEditValidator.instance,
+            clock = fakeClock,
+    )
+
+    @Test
+    fun `given an encrypted reference event when process then reference is processed`() {
+        // Given
+        val anEvent = givenAnEvent(
+                eventId = AN_EVENT_ID,
+                roomId = A_ROOM_ID,
+                eventType = EventType.ENCRYPTED,
+        )
+        val relatedEventId = "related-event-id"
+        val encryptedEventContent = givenEncryptedEventContent(
+                relationType = RelationType.REFERENCE,
+                relatedEventId = relatedEventId,
+        )
+        every { anEvent.content } returns encryptedEventContent.toContent()
+        val resultOfReferenceProcess = false
+        fakeEncryptedReferenceAggregationProcessor.givenHandleReturns(resultOfReferenceProcess)
+        givenEventAnnotationsSummary(roomId = A_ROOM_ID, eventId = AN_EVENT_ID, annotationsSummary = null)
+
+        // When
+        encryptedEventRelationsAggregationProcessor.process(
+                realm = fakeRealm.instance,
+                event = anEvent,
+        )
+
+        // Then
+        fakeEncryptedReferenceAggregationProcessor.verifyHandle(
+                realm = fakeRealm.instance,
+                event = anEvent,
+                isLocalEcho = false,
+                relatedEventId = relatedEventId,
+        )
+    }
+
+    private fun givenAnEvent(
+            eventId: String,
+            roomId: String?,
+            eventType: String,
+    ): Event {
+        return mockk<Event>().also {
+            every { it.eventId } returns eventId
+            every { it.roomId } returns roomId
+            every { it.getClearType() } returns eventType
+        }
+    }
+
+    private fun givenEncryptedEventContent(relationType: String, relatedEventId: String): EncryptedEventContent {
+        val relationContent = RelationDefaultContent(
+                eventId = relatedEventId,
+                type = relationType,
+        )
+        return EncryptedEventContent(
+                relatesTo = relationContent,
+        )
+    }
+
+    private fun givenEventAnnotationsSummary(
+            roomId: String,
+            eventId: String,
+            annotationsSummary: EventAnnotationsSummaryEntity?
+    ) {
+        fakeRealm.givenWhere<EventAnnotationsSummaryEntity>()
+                .givenEqualTo(EventAnnotationsSummaryEntityFields.ROOM_ID, roomId)
+                .givenEqualTo(EventAnnotationsSummaryEntityFields.EVENT_ID, eventId)
+                .givenFindFirst(annotationsSummary)
+    }
+}

matrix-sdk-android/src/test/java/org/matrix/android/sdk/internal/session/room/aggregation/poll/DefaultPollAggregationProcessorTest.kt

@@ -25,6 +25,8 @@ import kotlinx.coroutines.test.advanceUntilIdle
 import kotlinx.coroutines.test.runTest
 import org.amshove.kluent.shouldBeFalse
 import org.amshove.kluent.shouldBeTrue
+import org.amshove.kluent.shouldContain
+import org.amshove.kluent.shouldNotContain
 import org.junit.Before
 import org.junit.Test
 import org.matrix.android.sdk.api.session.Session
@@ -105,6 +107,24 @@ class DefaultPollAggregationProcessorTest {
         pollAggregationProcessor.handlePollResponseEvent(session, realm.instance, A_POLL_RESPONSE_EVENT).shouldBeTrue()
     }
 
+    @Test
+    fun `given a poll response event with a reference, when processing, then event id is removed from encrypted events list`() {
+        // Given
+        val anotherEventId = "other-event-id"
+        val pollResponseAggregatedSummaryEntity = PollResponseAggregatedSummaryEntity(
+                encryptedRelatedEventIds = RealmList(AN_EVENT_ID, anotherEventId)
+        )
+        every { realm.instance.createObject(PollResponseAggregatedSummaryEntity::class.java) } returns pollResponseAggregatedSummaryEntity
+
+        // When
+        val result = pollAggregationProcessor.handlePollResponseEvent(session, realm.instance, A_POLL_RESPONSE_EVENT)
+
+        // Then
+        result.shouldBeTrue()
+        pollResponseAggregatedSummaryEntity.encryptedRelatedEventIds.shouldNotContain(AN_EVENT_ID)
+        pollResponseAggregatedSummaryEntity.encryptedRelatedEventIds.shouldContain(anotherEventId)
+    }
+
     @Test
     fun `given a poll response event after poll is closed, when processing, then is ignored and returns false`() {
         every { realm.instance.createObject(PollResponseAggregatedSummaryEntity::class.java) } returns PollResponseAggregatedSummaryEntity().apply {
@@ -132,12 +152,33 @@ class DefaultPollAggregationProcessorTest {
         // Given
         every { realm.instance.createObject(PollResponseAggregatedSummaryEntity::class.java) } returns PollResponseAggregatedSummaryEntity()
         every { fakeTaskExecutor.instance.executorScope } returns this
-
-        // When
         val powerLevelsHelper = mockRedactionPowerLevels(A_USER_ID_1, true)
 
+        // When
+        val result = pollAggregationProcessor.handlePollEndEvent(session, powerLevelsHelper, realm.instance, A_POLL_END_EVENT)
+
         // Then
-        pollAggregationProcessor.handlePollEndEvent(session, powerLevelsHelper, realm.instance, A_POLL_END_EVENT).shouldBeTrue()
+        result.shouldBeTrue()
+    }
+
+    @Test
+    fun `given a poll end event, when processing, then event id is removed from encrypted events list`() = runTest {
+        // Given
+        val anotherEventId = "other-event-id"
+        val pollResponseAggregatedSummaryEntity = PollResponseAggregatedSummaryEntity(
+                encryptedRelatedEventIds = RealmList(AN_EVENT_ID, anotherEventId)
+        )
+        every { realm.instance.createObject(PollResponseAggregatedSummaryEntity::class.java) } returns pollResponseAggregatedSummaryEntity
+        every { fakeTaskExecutor.instance.executorScope } returns this
+        val powerLevelsHelper = mockRedactionPowerLevels(A_USER_ID_1, true)
+
+        // When
+        val result = pollAggregationProcessor.handlePollEndEvent(session, powerLevelsHelper, realm.instance, A_POLL_END_EVENT)
+
+        // Then
+        result.shouldBeTrue()
+        pollResponseAggregatedSummaryEntity.encryptedRelatedEventIds.shouldNotContain(AN_EVENT_ID)
+        pollResponseAggregatedSummaryEntity.encryptedRelatedEventIds.shouldContain(anotherEventId)
     }
 
     @Test
@@ -145,12 +186,13 @@ class DefaultPollAggregationProcessorTest {
         // Given
         every { realm.instance.createObject(PollResponseAggregatedSummaryEntity::class.java) } returns PollResponseAggregatedSummaryEntity()
         every { fakeTaskExecutor.instance.executorScope } returns this
-
-        // When
         val powerLevelsHelper = mockRedactionPowerLevels(A_USER_ID_1, false)
 
+        // When
+        val result = pollAggregationProcessor.handlePollEndEvent(session, powerLevelsHelper, realm.instance, A_POLL_END_EVENT)
+
         // Then
-        pollAggregationProcessor.handlePollEndEvent(session, powerLevelsHelper, realm.instance, A_POLL_END_EVENT).shouldBeTrue()
+        result.shouldBeTrue()
     }
 
     @Test

matrix-sdk-android/src/test/java/org/matrix/android/sdk/internal/session/room/aggregation/utd/EncryptedReferenceAggregationProcessorTest.kt

@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2022 The Matrix.org Foundation C.I.C.
+ *
+ * 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 org.matrix.android.sdk.internal.session.room.aggregation.utd
+
+import io.mockk.every
+import io.mockk.mockk
+import io.realm.RealmList
+import org.amshove.kluent.shouldBeFalse
+import org.amshove.kluent.shouldBeTrue
+import org.amshove.kluent.shouldContain
+import org.junit.Test
+import org.matrix.android.sdk.api.session.events.model.Event
+import org.matrix.android.sdk.internal.database.model.PollResponseAggregatedSummaryEntity
+import org.matrix.android.sdk.internal.database.model.PollResponseAggregatedSummaryEntityFields
+import org.matrix.android.sdk.test.fakes.FakeRealm
+import org.matrix.android.sdk.test.fakes.givenContainsValue
+import org.matrix.android.sdk.test.fakes.givenFindFirst
+
+internal class EncryptedReferenceAggregationProcessorTest {
+
+    private val fakeRealm = FakeRealm()
+
+    private val encryptedReferenceAggregationProcessor = EncryptedReferenceAggregationProcessor()
+
+    @Test
+    fun `given local echo when process then result is false`() {
+        // Given
+        val anEvent = mockk<Event>()
+        val isLocalEcho = true
+        val relatedEventId = "event-id"
+
+        // When
+        val result = encryptedReferenceAggregationProcessor.handle(
+                realm = fakeRealm.instance,
+                event = anEvent,
+                isLocalEcho = isLocalEcho,
+                relatedEventId = relatedEventId,
+        )
+
+        // Then
+        result.shouldBeFalse()
+    }
+
+    @Test
+    fun `given invalid event id when process then result is false`() {
+        // Given
+        val anEvent = mockk<Event>()
+        val isLocalEcho = false
+
+        // When
+        val result1 = encryptedReferenceAggregationProcessor.handle(
+                realm = fakeRealm.instance,
+                event = anEvent,
+                isLocalEcho = isLocalEcho,
+                relatedEventId = null,
+        )
+        val result2 = encryptedReferenceAggregationProcessor.handle(
+                realm = fakeRealm.instance,
+                event = anEvent,
+                isLocalEcho = isLocalEcho,
+                relatedEventId = "",
+        )
+
+        // Then
+        result1.shouldBeFalse()
+        result2.shouldBeFalse()
+    }
+
+    @Test
+    fun `given related event id of an existing poll when process then result is true and event id is stored in poll summary`() {
+        // Given
+        val anEventId = "event-id"
+        val anEvent = givenAnEvent(anEventId)
+        val isLocalEcho = false
+        val relatedEventId = "related-event-id"
+        val pollResponseAggregatedSummaryEntity = PollResponseAggregatedSummaryEntity(
+                encryptedRelatedEventIds = RealmList(),
+        )
+        fakeRealm.givenWhere<PollResponseAggregatedSummaryEntity>()
+                .givenContainsValue(PollResponseAggregatedSummaryEntityFields.SOURCE_EVENTS.`$`, relatedEventId)
+                .givenFindFirst(pollResponseAggregatedSummaryEntity)
+
+        // When
+        val result = encryptedReferenceAggregationProcessor.handle(
+                realm = fakeRealm.instance,
+                event = anEvent,
+                isLocalEcho = isLocalEcho,
+                relatedEventId = relatedEventId,
+        )
+
+        // Then
+        result.shouldBeTrue()
+        pollResponseAggregatedSummaryEntity.encryptedRelatedEventIds.shouldContain(anEventId)
+    }
+
+    @Test
+    fun `given related event id but no existing related poll when process then result is true and event id is not stored`() {
+        // Given
+        val anEventId = "event-id"
+        val anEvent = givenAnEvent(anEventId)
+        val isLocalEcho = false
+        val relatedEventId = "related-event-id"
+        fakeRealm.givenWhere<PollResponseAggregatedSummaryEntity>()
+                .givenContainsValue(PollResponseAggregatedSummaryEntityFields.SOURCE_EVENTS.`$`, relatedEventId)
+                .givenFindFirst(null)
+
+        // When
+        val result = encryptedReferenceAggregationProcessor.handle(
+                realm = fakeRealm.instance,
+                event = anEvent,
+                isLocalEcho = isLocalEcho,
+                relatedEventId = relatedEventId,
+        )
+
+        // Then
+        result.shouldBeTrue()
+    }
+
+    private fun givenAnEvent(eventId: String): Event {
+        return mockk<Event>().also {
+            every { it.eventId } returns eventId
+        }
+    }
+}

matrix-sdk-android/src/test/java/org/matrix/android/sdk/test/fakes/FakeRealm.kt

@@ -117,6 +117,14 @@ inline fun <reified T : RealmModel> RealmQuery<T>.givenIn(
     return this
 }
 
+inline fun <reified T : RealmModel> RealmQuery<T>.givenContainsValue(
+        fieldName: String,
+        value: String,
+): RealmQuery<T> {
+    every { containsValue(fieldName, value) } returns this
+    return this
+}
+
 /**
  * Should be called on a mocked RealmObject and not on a real RealmObject so that the underlying final method is mocked.
  */

matrix-sdk-android/src/test/java/org/matrix/android/sdk/test/fakes/internal/FakeEventEditValidator.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2023 The Matrix.org Foundation C.I.C.
+ *
+ * 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 org.matrix.android.sdk.test.fakes.internal
+
+import io.mockk.mockk
+import org.matrix.android.sdk.internal.session.room.EventEditValidator
+
+internal class FakeEventEditValidator {
+
+    val instance: EventEditValidator = mockk()
+}

matrix-sdk-android/src/test/java/org/matrix/android/sdk/test/fakes/internal/FakeLiveLocationAggregationProcessor.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2023 The Matrix.org Foundation C.I.C.
+ *
+ * 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 org.matrix.android.sdk.test.fakes.internal
+
+import io.mockk.mockk
+import org.matrix.android.sdk.internal.session.room.aggregation.livelocation.LiveLocationAggregationProcessor
+
+internal class FakeLiveLocationAggregationProcessor {
+
+    val instance: LiveLocationAggregationProcessor = mockk()
+}

matrix-sdk-android/src/test/java/org/matrix/android/sdk/test/fakes/internal/FakePollAggregationProcessor.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2023 The Matrix.org Foundation C.I.C.
+ *
+ * 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 org.matrix.android.sdk.test.fakes.internal
+
+import io.mockk.mockk
+import org.matrix.android.sdk.internal.session.room.aggregation.poll.PollAggregationProcessor
+
+internal class FakePollAggregationProcessor {
+
+    val instance: PollAggregationProcessor = mockk()
+}

matrix-sdk-android/src/test/java/org/matrix/android/sdk/test/fakes/internal/session/room/aggregation/utd/FakeEncryptedReferenceAggregationProcessor.kt

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2022 The Matrix.org Foundation C.I.C.
+ *
+ * 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 org.matrix.android.sdk.test.fakes.internal.session.room.aggregation.utd
+
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import io.realm.Realm
+import org.matrix.android.sdk.api.session.events.model.Event
+import org.matrix.android.sdk.internal.session.room.aggregation.utd.EncryptedReferenceAggregationProcessor
+
+internal class FakeEncryptedReferenceAggregationProcessor {
+
+    val instance: EncryptedReferenceAggregationProcessor = mockk()
+
+    fun givenHandleReturns(result: Boolean) {
+        every { instance.handle(any(), any(), any(), any()) } returns result
+    }
+
+    fun verifyHandle(
+            realm: Realm,
+            event: Event,
+            isLocalEcho: Boolean,
+            relatedEventId: String?,
+    ) {
+        verify { instance.handle(realm, event, isLocalEcho, relatedEventId) }
+    }
+}

vector/src/main/java/im/vector/app/core/error/ErrorFormatter.kt

@@ -20,6 +20,7 @@ import android.content.ActivityNotFoundException
 import im.vector.app.R
 import im.vector.app.core.resources.StringProvider
 import im.vector.app.features.call.dialpad.DialPadLookup
+import im.vector.app.features.roomprofile.polls.RoomPollsLoadingError
 import im.vector.app.features.voice.VoiceFailure
 import im.vector.app.features.voicebroadcast.VoiceBroadcastFailure
 import im.vector.app.features.voicebroadcast.VoiceBroadcastFailure.RecordingError
@@ -138,6 +139,7 @@ class DefaultErrorFormatter @Inject constructor(
                 stringProvider.getString(R.string.login_signin_matrix_id_error_invalid_matrix_id)
             is VoiceFailure -> voiceMessageError(throwable)
             is VoiceBroadcastFailure -> voiceBroadcastMessageError(throwable)
+            is RoomPollsLoadingError -> stringProvider.getString(R.string.room_polls_loading_error)
             is ActivityNotFoundException ->
                 stringProvider.getString(R.string.error_no_external_application_found)
             else -> throwable.localizedMessage

vector/src/main/java/im/vector/app/features/home/room/detail/composer/MessageComposerViewModel.kt

@@ -138,7 +138,7 @@ class MessageComposerViewModel @AssistedInject constructor(
     }
 
     private fun handleOnTextChanged(action: MessageComposerAction.OnTextChanged) {
-            val needsSendButtonVisibilityUpdate = currentComposerText.isEmpty() != action.text.isEmpty()
+            val needsSendButtonVisibilityUpdate = currentComposerText.isBlank() != action.text.isBlank()
         currentComposerText = SpannableString(action.text)
         if (needsSendButtonVisibilityUpdate) {
             updateIsSendButtonVisibility(true)

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/PollItemViewStateFactory.kt

@@ -83,9 +83,14 @@ class PollItemViewStateFactory @Inject constructor(
             totalVotes: Int,
             winnerVoteCount: Int?,
     ): PollViewState {
+        val totalVotesText = if (pollResponseSummary?.hasEncryptedRelatedEvents.orFalse()) {
+            stringProvider.getString(R.string.unable_to_decrypt_some_events_in_poll)
+        } else {
+            stringProvider.getQuantityString(R.plurals.poll_total_vote_count_after_ended, totalVotes, totalVotes)
+        }
         return PollViewState(
                 question = question,
-                votesStatus = stringProvider.getQuantityString(R.plurals.poll_total_vote_count_after_ended, totalVotes, totalVotes),
+                votesStatus = totalVotesText,
                 canVote = false,
                 optionViewStates = pollCreationInfo?.answers?.map { answer ->
                     val voteSummary = pollResponseSummary?.getVoteSummaryOfAnOption(answer.id ?: "")
@@ -126,9 +131,14 @@ class PollItemViewStateFactory @Inject constructor(
             pollResponseSummary: PollResponseData?,
             totalVotes: Int
     ): PollViewState {
+        val totalVotesText = if (pollResponseSummary?.hasEncryptedRelatedEvents.orFalse()) {
+            stringProvider.getString(R.string.unable_to_decrypt_some_events_in_poll)
+        } else {
+            stringProvider.getQuantityString(R.plurals.poll_total_vote_count_before_ended_and_voted, totalVotes, totalVotes)
+        }
         return PollViewState(
                 question = question,
-                votesStatus = stringProvider.getQuantityString(R.plurals.poll_total_vote_count_before_ended_and_voted, totalVotes, totalVotes),
+                votesStatus = totalVotesText,
                 canVote = true,
                 optionViewStates = pollCreationInfo?.answers?.map { answer ->
                     val isMyVote = pollResponseSummary?.myVote == answer.id
@@ -144,7 +154,11 @@ class PollItemViewStateFactory @Inject constructor(
         )
     }
 
-    private fun createReadyPollViewState(question: String, pollCreationInfo: PollCreationInfo?, totalVotes: Int): PollViewState {
+    private fun createReadyPollViewState(
+            question: String,
+            pollCreationInfo: PollCreationInfo?,
+            totalVotes: Int
+    ): PollViewState {
         val totalVotesText = if (totalVotes == 0) {
             stringProvider.getString(R.string.poll_no_votes_cast)
         } else {

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/helper/PollResponseDataFactory.kt

@@ -44,7 +44,8 @@ class PollResponseDataFactory @Inject constructor(
                         )
                     },
                     winnerVoteCount = it.aggregatedContent?.winnerVoteCount ?: 0,
-                    totalVotes = it.aggregatedContent?.totalVotes ?: 0
+                    totalVotes = it.aggregatedContent?.totalVotes ?: 0,
+                    hasEncryptedRelatedEvents = it.encryptedRelatedEventIds.isNotEmpty(),
             )
         }
     }

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/MessageInformationData.kt

@@ -90,7 +90,8 @@ data class PollResponseData(
         val votes: Map<String, PollVoteSummaryData>?,
         val totalVotes: Int = 0,
         val winnerVoteCount: Int = 0,
-        val isClosed: Boolean = false
+        val isClosed: Boolean = false,
+        val hasEncryptedRelatedEvents: Boolean = false,
 ) : Parcelable {
 
     fun getVoteSummaryOfAnOption(optionId: String) = votes?.get(optionId)

vector/src/main/java/im/vector/app/features/roomprofile/RoomProfileActivity.kt

@@ -76,6 +76,8 @@ class RoomProfileActivity :
         return ActivitySimpleBinding.inflate(layoutInflater)
     }
 
+    override fun getCoordinatorLayout() = views.coordinatorLayout
+
     override fun initUiAndData() {
         sharedActionViewModel = viewModelProvider.get(RoomProfileSharedActionViewModel::class.java)
         roomProfileArgs = intent?.extras?.getParcelableCompat(Mavericks.KEY_ARG) ?: return

vector/src/main/java/im/vector/app/features/roomprofile/polls/RoomPollsAction.kt

@@ -18,4 +18,6 @@ package im.vector.app.features.roomprofile.polls
 
 import im.vector.app.core.platform.VectorViewModelAction
 
-sealed interface RoomPollsAction : VectorViewModelAction
+sealed interface RoomPollsAction : VectorViewModelAction {
+    object LoadMorePolls : RoomPollsAction
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/RoomPollsLoadingError.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 im.vector.app.features.roomprofile.polls
+
+class RoomPollsLoadingError : Throwable()

vector/src/main/java/im/vector/app/features/roomprofile/polls/RoomPollsViewEvent.kt

@@ -18,4 +18,6 @@ package im.vector.app.features.roomprofile.polls
 
 import im.vector.app.core.platform.VectorViewEvents
 
-sealed class RoomPollsViewEvent : VectorViewEvents
+sealed class RoomPollsViewEvent : VectorViewEvents {
+    object LoadingError : RoomPollsViewEvent()
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/RoomPollsViewModel.kt

@@ -23,12 +23,20 @@ import dagger.assisted.AssistedInject
 import im.vector.app.core.di.MavericksAssistedViewModelFactory
 import im.vector.app.core.di.hiltMavericksViewModelFactory
 import im.vector.app.core.platform.VectorViewModel
+import im.vector.app.features.roomprofile.polls.list.domain.GetLoadedPollsStatusUseCase
+import im.vector.app.features.roomprofile.polls.list.domain.GetPollsUseCase
+import im.vector.app.features.roomprofile.polls.list.domain.LoadMorePollsUseCase
+import im.vector.app.features.roomprofile.polls.list.domain.SyncPollsUseCase
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.launch
 
 class RoomPollsViewModel @AssistedInject constructor(
         @Assisted initialState: RoomPollsViewState,
         private val getPollsUseCase: GetPollsUseCase,
+        private val getLoadedPollsStatusUseCase: GetLoadedPollsStatusUseCase,
+        private val loadMorePollsUseCase: LoadMorePollsUseCase,
+        private val syncPollsUseCase: SyncPollsUseCase,
 ) : VectorViewModel<RoomPollsViewState, RoomPollsAction, RoomPollsViewEvent>(initialState) {
 
     @AssistedFactory
@@ -39,16 +47,63 @@ class RoomPollsViewModel @AssistedInject constructor(
     companion object : MavericksViewModelFactory<RoomPollsViewModel, RoomPollsViewState> by hiltMavericksViewModelFactory()
 
     init {
-        observePolls()
+        val roomId = initialState.roomId
+        updateLoadedPollStatus(roomId)
+        syncPolls(roomId)
+        observePolls(roomId)
     }
 
-    private fun observePolls() {
+    private fun updateLoadedPollStatus(roomId: String) {
-        getPollsUseCase.execute()
+        val loadedPollsStatus = getLoadedPollsStatusUseCase.execute(roomId)
+        setState {
+            copy(
+                    canLoadMore = loadedPollsStatus.canLoadMore,
+                    nbLoadedDays = loadedPollsStatus.nbLoadedDays
+            )
+        }
+    }
+
+    private fun syncPolls(roomId: String) {
+        viewModelScope.launch {
+            setState { copy(isSyncing = true) }
+            val result = runCatching {
+                syncPollsUseCase.execute(roomId)
+            }
+            if (result.isFailure) {
+                _viewEvents.post(RoomPollsViewEvent.LoadingError)
+            }
+            setState { copy(isSyncing = false) }
+        }
+    }
+
+    private fun observePolls(roomId: String) {
+        getPollsUseCase.execute(roomId)
                 .onEach { setState { copy(polls = it) } }
                 .launchIn(viewModelScope)
     }
 
     override fun handle(action: RoomPollsAction) {
-        // do nothing for now
+        when (action) {
+            RoomPollsAction.LoadMorePolls -> handleLoadMore()
+        }
+    }
+
+    private fun handleLoadMore() = withState { viewState ->
+        viewModelScope.launch {
+            setState { copy(isLoadingMore = true) }
+            val result = runCatching {
+                val status = loadMorePollsUseCase.execute(viewState.roomId)
+                setState {
+                    copy(
+                            canLoadMore = status.canLoadMore,
+                            nbLoadedDays = status.nbLoadedDays,
+                    )
+                }
+            }
+            if (result.isFailure) {
+                _viewEvents.post(RoomPollsViewEvent.LoadingError)
+            }
+            setState { copy(isLoadingMore = false) }
+        }
     }
 }

vector/src/main/java/im/vector/app/features/roomprofile/polls/RoomPollsViewState.kt

@@ -18,11 +18,19 @@ package im.vector.app.features.roomprofile.polls
 
 import com.airbnb.mvrx.MavericksState
 import im.vector.app.features.roomprofile.RoomProfileArgs
+import im.vector.app.features.roomprofile.polls.list.ui.PollSummary
 
 data class RoomPollsViewState(
         val roomId: String,
         val polls: List<PollSummary> = emptyList(),
+        val isLoadingMore: Boolean = false,
+        val canLoadMore: Boolean = true,
+        val nbLoadedDays: Int = 0,
+        val isSyncing: Boolean = false,
 ) : MavericksState {
 
     constructor(roomProfileArgs: RoomProfileArgs) : this(roomId = roomProfileArgs.roomId)
+
+    fun hasNoPolls() = polls.isEmpty()
+    fun hasNoPollsAndCanLoadMore() = !isSyncing && hasNoPolls() && canLoadMore
 }

vector/src/main/java/im/vector/app/features/roomprofile/polls/active/RoomActivePollsFragment.kt

@@ -19,13 +19,17 @@ package im.vector.app.features.roomprofile.polls.active
 import dagger.hilt.android.AndroidEntryPoint
 import im.vector.app.R
 import im.vector.app.features.roomprofile.polls.RoomPollsType
-import im.vector.app.features.roomprofile.polls.list.RoomPollsListFragment
+import im.vector.app.features.roomprofile.polls.list.ui.RoomPollsListFragment
 
 @AndroidEntryPoint
 class RoomActivePollsFragment : RoomPollsListFragment() {
 
-    override fun getEmptyListTitle(): String {
+    override fun getEmptyListTitle(canLoadMore: Boolean, nbLoadedDays: Int): String {
-        return getString(R.string.room_polls_active_no_item)
+        return if (canLoadMore) {
+            stringProvider.getQuantityString(R.plurals.room_polls_active_no_item_for_loaded_period, nbLoadedDays, nbLoadedDays)
+        } else {
+            getString(R.string.room_polls_active_no_item)
+        }
     }
 
     override fun getRoomPollsType(): RoomPollsType {

vector/src/main/java/im/vector/app/features/roomprofile/polls/ended/RoomEndedPollsFragment.kt

@@ -19,13 +19,17 @@ package im.vector.app.features.roomprofile.polls.ended
 import dagger.hilt.android.AndroidEntryPoint
 import im.vector.app.R
 import im.vector.app.features.roomprofile.polls.RoomPollsType
-import im.vector.app.features.roomprofile.polls.list.RoomPollsListFragment
+import im.vector.app.features.roomprofile.polls.list.ui.RoomPollsListFragment
 
 @AndroidEntryPoint
 class RoomEndedPollsFragment : RoomPollsListFragment() {
 
-    override fun getEmptyListTitle(): String {
+    override fun getEmptyListTitle(canLoadMore: Boolean, nbLoadedDays: Int): String {
-        return getString(R.string.room_polls_ended_no_item)
+        return if (canLoadMore) {
+            stringProvider.getQuantityString(R.plurals.room_polls_ended_no_item_for_loaded_period, nbLoadedDays, nbLoadedDays)
+        } else {
+            getString(R.string.room_polls_ended_no_item)
+        }
     }
 
     override fun getRoomPollsType(): RoomPollsType {

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/RoomPollsListFragment.kt

@@ -1,90 +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 im.vector.app.features.roomprofile.polls.list
-
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import androidx.core.view.isVisible
-import com.airbnb.mvrx.parentFragmentViewModel
-import com.airbnb.mvrx.withState
-import im.vector.app.core.extensions.cleanup
-import im.vector.app.core.extensions.configureWith
-import im.vector.app.core.platform.VectorBaseFragment
-import im.vector.app.databinding.FragmentRoomPollsListBinding
-import im.vector.app.features.roomprofile.polls.PollSummary
-import im.vector.app.features.roomprofile.polls.RoomPollsType
-import im.vector.app.features.roomprofile.polls.RoomPollsViewModel
-import timber.log.Timber
-import javax.inject.Inject
-
-abstract class RoomPollsListFragment :
-        VectorBaseFragment<FragmentRoomPollsListBinding>(),
-        RoomPollsController.Listener {
-
-    @Inject
-    lateinit var roomPollsController: RoomPollsController
-
-    private val viewModel: RoomPollsViewModel by parentFragmentViewModel(RoomPollsViewModel::class)
-
-    override fun getBinding(inflater: LayoutInflater, container: ViewGroup?): FragmentRoomPollsListBinding {
-        return FragmentRoomPollsListBinding.inflate(inflater, container, false)
-    }
-
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
-        setupList()
-    }
-
-    abstract fun getEmptyListTitle(): String
-
-    abstract fun getRoomPollsType(): RoomPollsType
-
-    private fun setupList() {
-        roomPollsController.listener = this
-        views.roomPollsList.configureWith(roomPollsController)
-        views.roomPollsEmptyTitle.text = getEmptyListTitle()
-    }
-
-    override fun onDestroyView() {
-        cleanUpList()
-        super.onDestroyView()
-    }
-
-    private fun cleanUpList() {
-        views.roomPollsList.cleanup()
-        roomPollsController.listener = null
-    }
-
-    override fun invalidate() = withState(viewModel) { viewState ->
-        when (getRoomPollsType()) {
-            RoomPollsType.ACTIVE -> renderList(viewState.polls.filterIsInstance(PollSummary.ActivePoll::class.java))
-            RoomPollsType.ENDED -> renderList(viewState.polls.filterIsInstance(PollSummary.EndedPoll::class.java))
-        }
-    }
-
-    private fun renderList(polls: List<PollSummary>) {
-        roomPollsController.setData(polls)
-        views.roomPollsEmptyTitle.isVisible = polls.isEmpty()
-    }
-
-    override fun onPollClicked(pollId: String) {
-        // TODO navigate to details
-        Timber.d("poll with id $pollId clicked")
-    }
-}

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/data/LoadedPollsStatus.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 im.vector.app.features.roomprofile.polls.list.data
+
+data class LoadedPollsStatus(
+        val canLoadMore: Boolean,
+        val nbLoadedDays: Int,
+)

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/data/RoomPollDataSource.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 New Vector Ltd
+ * 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.
@@ -14,23 +14,60 @@
  * limitations under the License.
  */
 
-package im.vector.app.features.roomprofile.polls
+package im.vector.app.features.roomprofile.polls.list.data
 
 import im.vector.app.features.home.room.detail.timeline.item.PollOptionViewState
+import im.vector.app.features.roomprofile.polls.list.ui.PollSummary
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.MutableSharedFlow
-import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.asSharedFlow
+import timber.log.Timber
 import javax.inject.Inject
+import javax.inject.Singleton
 
-class GetPollsUseCase @Inject constructor() {
+@Singleton
+class RoomPollDataSource @Inject constructor() {
 
-    fun execute(): Flow<List<PollSummary>> {
+    private val pollsFlow = MutableSharedFlow<List<PollSummary>>(replay = 1)
-        // TODO unmock and add unit tests
+    private val polls = mutableListOf<PollSummary>()
-        return flowOf(getActivePolls() + getEndedPolls())
+    private var fakeLoadCounter = 0
-                .map { it.sortedByDescending { poll -> poll.creationTimestamp } }
+
+    // TODO
+    //  unmock using SDK service + add unit tests
+    //  after unmock, expose domain layer model (entity) and do the mapping to PollSummary in the UI layer
+    fun getPolls(roomId: String): Flow<List<PollSummary>> {
+        Timber.d("roomId=$roomId")
+        return pollsFlow.asSharedFlow()
     }
 
-    private fun getActivePolls(): List<PollSummary.ActivePoll> {
+    fun getLoadedPollsStatus(roomId: String): LoadedPollsStatus {
+        Timber.d("roomId=$roomId")
+        return LoadedPollsStatus(
+                canLoadMore = canLoadMore(),
+                nbLoadedDays = fakeLoadCounter * 30,
+        )
+    }
+
+    private fun canLoadMore(): Boolean {
+        return fakeLoadCounter < 2
+    }
+
+    suspend fun loadMorePolls(roomId: String): LoadedPollsStatus {
+        // TODO
+        //  unmock using SDK service + add unit tests
+        delay(3000)
+        fakeLoadCounter++
+        when (fakeLoadCounter) {
+            1 -> polls.addAll(getActivePollsPart1() + getEndedPollsPart1())
+            2 -> polls.addAll(getActivePollsPart2() + getEndedPollsPart2())
+            else -> Unit
+        }
+        pollsFlow.emit(polls)
+        return getLoadedPollsStatus(roomId)
+    }
+
+    private fun getActivePollsPart1(): List<PollSummary.ActivePoll> {
         return listOf(
                 PollSummary.ActivePoll(
                         id = "id1",
@@ -44,6 +81,11 @@ class GetPollsUseCase @Inject constructor() {
                         creationTimestamp = 1656194400000,
                         title = "Which sport should the pupils do this year?"
                 ),
+        )
+    }
+
+    private fun getActivePollsPart2(): List<PollSummary.ActivePoll> {
+        return listOf(
                 PollSummary.ActivePoll(
                         id = "id3",
                         // 2022/06/24 UTC+1
@@ -59,7 +101,7 @@ class GetPollsUseCase @Inject constructor() {
         )
     }
 
-    private fun getEndedPolls(): List<PollSummary.EndedPoll> {
+    private fun getEndedPollsPart1(): List<PollSummary.EndedPoll> {
         return listOf(
                 PollSummary.EndedPoll(
                         id = "id1-ended",
@@ -77,6 +119,11 @@ class GetPollsUseCase @Inject constructor() {
                                 )
                         ),
                 ),
+        )
+    }
+
+    private fun getEndedPollsPart2(): List<PollSummary.EndedPoll> {
+        return listOf(
                 PollSummary.EndedPoll(
                         id = "id2-ended",
                         // 2022/06/26 UTC+1
@@ -111,4 +158,17 @@ class GetPollsUseCase @Inject constructor() {
                 ),
         )
     }
+
+    suspend fun syncPolls(roomId: String) {
+        Timber.d("roomId=$roomId")
+        // TODO
+        //  unmock using SDK service + add unit tests
+        if (fakeLoadCounter == 0) {
+            // fake first load
+            loadMorePolls(roomId)
+        } else {
+            // fake sync
+            delay(3000)
+        }
+    }
 }

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/data/RoomPollRepository.kt

@@ -0,0 +1,43 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.data
+
+import im.vector.app.features.roomprofile.polls.list.ui.PollSummary
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+
+class RoomPollRepository @Inject constructor(
+        private val roomPollDataSource: RoomPollDataSource,
+) {
+
+    // TODO after unmock, expose domain layer model (entity) and do the mapping to PollSummary in the UI layer
+    fun getPolls(roomId: String): Flow<List<PollSummary>> {
+        return roomPollDataSource.getPolls(roomId)
+    }
+
+    fun getLoadedPollsStatus(roomId: String): LoadedPollsStatus {
+        return roomPollDataSource.getLoadedPollsStatus(roomId)
+    }
+
+    suspend fun loadMorePolls(roomId: String): LoadedPollsStatus {
+        return roomPollDataSource.loadMorePolls(roomId)
+    }
+
+    suspend fun syncPolls(roomId: String) {
+        return roomPollDataSource.syncPolls(roomId)
+    }
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/domain/GetLoadedPollsStatusUseCase.kt

@@ -0,0 +1,30 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.domain
+
+import im.vector.app.features.roomprofile.polls.list.data.LoadedPollsStatus
+import im.vector.app.features.roomprofile.polls.list.data.RoomPollRepository
+import javax.inject.Inject
+
+class GetLoadedPollsStatusUseCase @Inject constructor(
+        private val roomPollRepository: RoomPollRepository,
+) {
+
+    fun execute(roomId: String): LoadedPollsStatus {
+        return roomPollRepository.getLoadedPollsStatus(roomId)
+    }
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/domain/GetPollsUseCase.kt

@@ -0,0 +1,33 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.domain
+
+import im.vector.app.features.roomprofile.polls.list.data.RoomPollRepository
+import im.vector.app.features.roomprofile.polls.list.ui.PollSummary
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import javax.inject.Inject
+
+class GetPollsUseCase @Inject constructor(
+        private val roomPollRepository: RoomPollRepository,
+) {
+
+    fun execute(roomId: String): Flow<List<PollSummary>> {
+        return roomPollRepository.getPolls(roomId)
+                .map { it.sortedByDescending { poll -> poll.creationTimestamp } }
+    }
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/domain/LoadMorePollsUseCase.kt

@@ -0,0 +1,30 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.domain
+
+import im.vector.app.features.roomprofile.polls.list.data.LoadedPollsStatus
+import im.vector.app.features.roomprofile.polls.list.data.RoomPollRepository
+import javax.inject.Inject
+
+class LoadMorePollsUseCase @Inject constructor(
+        private val roomPollRepository: RoomPollRepository,
+) {
+
+    suspend fun execute(roomId: String): LoadedPollsStatus {
+        return roomPollRepository.loadMorePolls(roomId)
+    }
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/domain/SyncPollsUseCase.kt

@@ -0,0 +1,32 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.domain
+
+import im.vector.app.features.roomprofile.polls.list.data.RoomPollRepository
+import javax.inject.Inject
+
+/**
+ * Sync the polls of a given room from last manual loading (see LoadMorePollsUseCase) until now.
+ */
+class SyncPollsUseCase @Inject constructor(
+        private val roomPollRepository: RoomPollRepository,
+) {
+
+    suspend fun execute(roomId: String) {
+        roomPollRepository.syncPolls(roomId)
+    }
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/ui/PollSummary.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 New Vector Ltd
+ * 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.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package im.vector.app.features.roomprofile.polls
+package im.vector.app.features.roomprofile.polls.list.ui
 
 import im.vector.app.features.home.room.detail.timeline.item.PollOptionViewState
 

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/ui/RoomPollItem.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 New Vector Ltd
+ * 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.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package im.vector.app.features.roomprofile.polls.list
+package im.vector.app.features.roomprofile.polls.list.ui
 
 import android.widget.LinearLayout
 import android.widget.TextView

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/ui/RoomPollLoadMoreItem.kt

@@ -0,0 +1,50 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.ui
+
+import android.widget.Button
+import android.widget.ProgressBar
+import androidx.core.view.isVisible
+import com.airbnb.epoxy.EpoxyAttribute
+import com.airbnb.epoxy.EpoxyModelClass
+import im.vector.app.R
+import im.vector.app.core.epoxy.ClickListener
+import im.vector.app.core.epoxy.VectorEpoxyHolder
+import im.vector.app.core.epoxy.VectorEpoxyModel
+import im.vector.app.core.epoxy.onClick
+
+@EpoxyModelClass
+abstract class RoomPollLoadMoreItem : VectorEpoxyModel<RoomPollLoadMoreItem.Holder>(R.layout.item_poll_load_more) {
+
+    @EpoxyAttribute
+    var loadingMore: Boolean = false
+
+    @EpoxyAttribute(EpoxyAttribute.Option.DoNotHash)
+    var clickListener: ClickListener? = null
+
+    override fun bind(holder: Holder) {
+        super.bind(holder)
+        holder.loadMoreButton.isEnabled = loadingMore.not()
+        holder.loadMoreButton.onClick(clickListener)
+        holder.loadMoreProgressBar.isVisible = loadingMore
+    }
+
+    class Holder : VectorEpoxyHolder() {
+        val loadMoreButton by bind<Button>(R.id.roomPollsLoadMore)
+        val loadMoreProgressBar by bind<ProgressBar>(R.id.roomPollsLoadMoreProgress)
+    }
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/ui/RoomPollsController.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 New Vector Ltd
+ * 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.
@@ -14,38 +14,45 @@
  * limitations under the License.
  */
 
-package im.vector.app.features.roomprofile.polls.list
+package im.vector.app.features.roomprofile.polls.list.ui
 
 import com.airbnb.epoxy.TypedEpoxyController
 import im.vector.app.R
 import im.vector.app.core.date.DateFormatKind
 import im.vector.app.core.date.VectorDateFormatter
 import im.vector.app.core.resources.StringProvider
-import im.vector.app.features.roomprofile.polls.PollSummary
+import im.vector.app.features.roomprofile.polls.RoomPollsViewState
+import java.util.UUID
 import javax.inject.Inject
 
 class RoomPollsController @Inject constructor(
         val dateFormatter: VectorDateFormatter,
         val stringProvider: StringProvider,
-) : TypedEpoxyController<List<PollSummary>>() {
+) : TypedEpoxyController<RoomPollsViewState>() {
 
     interface Listener {
         fun onPollClicked(pollId: String)
+        fun onLoadMoreClicked()
     }
 
     var listener: Listener? = null
 
-    override fun buildModels(data: List<PollSummary>?) {
+    override fun buildModels(viewState: RoomPollsViewState?) {
-        if (data.isNullOrEmpty()) {
+        val polls = viewState?.polls
+        if (polls.isNullOrEmpty() || viewState.isSyncing) {
             return
         }
 
-        for (poll in data) {
+        for (poll in polls) {
             when (poll) {
                 is PollSummary.ActivePoll -> buildActivePollItem(poll)
                 is PollSummary.EndedPoll -> buildEndedPollItem(poll)
             }
         }
+
+        if (viewState.canLoadMore) {
+            buildLoadMoreItem(viewState.isLoadingMore)
+        }
     }
 
     private fun buildActivePollItem(poll: PollSummary.ActivePoll) {
@@ -73,4 +80,15 @@ class RoomPollsController @Inject constructor(
             }
         }
     }
+
+    private fun buildLoadMoreItem(isLoadingMore: Boolean) {
+        val host = this
+        roomPollLoadMoreItem {
+            id(UUID.randomUUID().toString())
+            loadingMore(isLoadingMore)
+            clickListener {
+                host.listener?.onLoadMoreClicked()
+            }
+        }
+    }
 }

vector/src/main/java/im/vector/app/features/roomprofile/polls/list/ui/RoomPollsListFragment.kt

@@ -0,0 +1,136 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.ui
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import com.airbnb.mvrx.parentFragmentViewModel
+import com.airbnb.mvrx.withState
+import im.vector.app.core.epoxy.onClick
+import im.vector.app.core.extensions.cleanup
+import im.vector.app.core.extensions.configureWith
+import im.vector.app.core.platform.VectorBaseFragment
+import im.vector.app.core.resources.StringProvider
+import im.vector.app.databinding.FragmentRoomPollsListBinding
+import im.vector.app.features.roomprofile.polls.RoomPollsAction
+import im.vector.app.features.roomprofile.polls.RoomPollsLoadingError
+import im.vector.app.features.roomprofile.polls.RoomPollsType
+import im.vector.app.features.roomprofile.polls.RoomPollsViewEvent
+import im.vector.app.features.roomprofile.polls.RoomPollsViewModel
+import im.vector.app.features.roomprofile.polls.RoomPollsViewState
+import timber.log.Timber
+import javax.inject.Inject
+
+abstract class RoomPollsListFragment :
+        VectorBaseFragment<FragmentRoomPollsListBinding>(),
+        RoomPollsController.Listener {
+
+    @Inject
+    lateinit var roomPollsController: RoomPollsController
+
+    @Inject
+    lateinit var stringProvider: StringProvider
+
+    private val viewModel: RoomPollsViewModel by parentFragmentViewModel(RoomPollsViewModel::class)
+
+    override fun getBinding(inflater: LayoutInflater, container: ViewGroup?): FragmentRoomPollsListBinding {
+        return FragmentRoomPollsListBinding.inflate(inflater, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        observeViewEvents()
+        setupList()
+        setupLoadMoreButton()
+    }
+
+    private fun observeViewEvents() {
+        viewModel.observeViewEvents { viewEvent ->
+            when (viewEvent) {
+                RoomPollsViewEvent.LoadingError -> showErrorInSnackbar(RoomPollsLoadingError())
+            }
+        }
+    }
+
+    abstract fun getEmptyListTitle(canLoadMore: Boolean, nbLoadedDays: Int): String
+
+    abstract fun getRoomPollsType(): RoomPollsType
+
+    private fun setupList() = withState(viewModel) { viewState ->
+        roomPollsController.listener = this
+        views.roomPollsList.configureWith(roomPollsController)
+        views.roomPollsEmptyTitle.text = getEmptyListTitle(
+                canLoadMore = viewState.canLoadMore,
+                nbLoadedDays = viewState.nbLoadedDays,
+        )
+    }
+
+    private fun setupLoadMoreButton() {
+        views.roomPollsLoadMoreWhenEmpty.onClick {
+            onLoadMoreClicked()
+        }
+    }
+
+    override fun onDestroyView() {
+        cleanUpList()
+        super.onDestroyView()
+    }
+
+    private fun cleanUpList() {
+        views.roomPollsList.cleanup()
+        roomPollsController.listener = null
+    }
+
+    override fun invalidate() = withState(viewModel) { viewState ->
+        val filteredPolls = when (getRoomPollsType()) {
+            RoomPollsType.ACTIVE -> viewState.polls.filterIsInstance(PollSummary.ActivePoll::class.java)
+            RoomPollsType.ENDED -> viewState.polls.filterIsInstance(PollSummary.EndedPoll::class.java)
+        }
+        val updatedViewState = viewState.copy(polls = filteredPolls)
+        renderList(updatedViewState)
+        renderSyncingView(updatedViewState)
+    }
+
+    private fun renderSyncingView(viewState: RoomPollsViewState) {
+        views.roomPollsSyncingTitle.isVisible = viewState.isSyncing
+        views.roomPollsSyncingProgress.isVisible = viewState.isSyncing
+    }
+
+    private fun renderList(viewState: RoomPollsViewState) {
+        roomPollsController.setData(viewState)
+        views.roomPollsEmptyTitle.text = getEmptyListTitle(
+                canLoadMore = viewState.canLoadMore,
+                nbLoadedDays = viewState.nbLoadedDays,
+        )
+        views.roomPollsEmptyTitle.isVisible = !viewState.isSyncing && viewState.hasNoPolls()
+        views.roomPollsLoadMoreWhenEmpty.isVisible = viewState.hasNoPollsAndCanLoadMore()
+        views.roomPollsLoadMoreWhenEmpty.isEnabled = !viewState.isLoadingMore
+        views.roomPollsLoadMoreWhenEmptyProgress.isVisible = viewState.hasNoPollsAndCanLoadMore() && viewState.isLoadingMore
+    }
+
+    override fun onPollClicked(pollId: String) {
+        // TODO navigate to details
+        Timber.d("poll with id $pollId clicked")
+    }
+
+    override fun onLoadMoreClicked() {
+        viewModel.handle(RoomPollsAction.LoadMorePolls)
+    }
+}

vector/src/main/res/layout/fragment_room_polls_list.xml

@@ -17,6 +17,34 @@
         tools:itemCount="5"
         tools:listitem="@layout/item_poll" />
 
+    <ProgressBar
+        android:id="@+id/roomPollsSyncingProgress"
+        style="?android:attr/progressBarStyle"
+        android:layout_width="16dp"
+        android:layout_height="16dp"
+        android:indeterminateTint="?vctr_content_secondary"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="@id/roomPollsSyncingTitle"
+        app:layout_constraintEnd_toStartOf="@id/roomPollsSyncingTitle"
+        app:layout_constraintHorizontal_chainStyle="packed"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@id/roomPollsSyncingTitle" />
+
+    <TextView
+        android:id="@+id/roomPollsSyncingTitle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="9dp"
+        android:layout_marginEnd="@dimen/layout_horizontal_margin"
+        android:gravity="center"
+        android:text="@string/room_polls_wait_for_display"
+        android:textAppearance="@style/TextAppearance.Vector.Body"
+        android:textColor="?vctr_content_secondary"
+        android:visibility="gone"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/roomPollsSyncingProgress"
+        app:layout_constraintTop_toTopOf="@id/roomPollsTitleGuideline" />
+
     <TextView
         android:id="@+id/roomPollsEmptyTitle"
         android:layout_width="0dp"
@@ -26,14 +54,39 @@
         android:gravity="center"
         android:textAppearance="@style/TextAppearance.Vector.Body"
         android:textColor="?vctr_content_secondary"
+        android:textSize="17sp"
         android:visibility="gone"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="@id/roomPollsEmptyGuideline"
+        app:layout_constraintTop_toTopOf="@id/roomPollsTitleGuideline"
         tools:text="@string/room_polls_active_no_item" />
 
+    <Button
+        android:id="@+id/roomPollsLoadMoreWhenEmpty"
+        style="@style/Widget.Vector.Button.Text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="@dimen/layout_horizontal_margin"
+        android:layout_marginTop="8dp"
+        android:text="@string/room_polls_load_more"
+        android:visibility="gone"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/roomPollsEmptyTitle" />
+
+    <ProgressBar
+        android:id="@+id/roomPollsLoadMoreWhenEmptyProgress"
+        style="?android:attr/progressBarStyle"
+        android:layout_width="16dp"
+        android:layout_height="16dp"
+        android:layout_marginStart="9dp"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="@id/roomPollsLoadMoreWhenEmpty"
+        app:layout_constraintStart_toEndOf="@id/roomPollsLoadMoreWhenEmpty"
+        app:layout_constraintTop_toTopOf="@id/roomPollsLoadMoreWhenEmpty" />
+
     <androidx.constraintlayout.widget.Guideline
-        android:id="@+id/roomPollsEmptyGuideline"
+        android:id="@+id/roomPollsTitleGuideline"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:orientation="horizontal"

vector/src/main/res/layout/item_breadcrumbs.xml

@@ -85,6 +85,7 @@
         app:layout_constraintCircle="@id/breadcrumbsImageView"
         app:layout_constraintCircleAngle="225"
         app:layout_constraintCircleRadius="28dp"
+        app:tint="?vctr_content_primary"
         tools:ignore="MissingConstraints"
         tools:visibility="visible" />
 

vector/src/main/res/layout/item_poll_load_more.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <Button
+        android:id="@+id/roomPollsLoadMore"
+        style="@style/Widget.Vector.Button.Text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="38dp"
+        android:layout_marginBottom="46dp"
+        android:padding="0dp"
+        android:text="@string/room_polls_load_more"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <ProgressBar
+        android:id="@+id/roomPollsLoadMoreProgress"
+        style="?android:attr/progressBarStyle"
+        android:layout_width="16dp"
+        android:layout_height="16dp"
+        android:layout_marginStart="9dp"
+        app:layout_constraintBottom_toBottomOf="@id/roomPollsLoadMore"
+        app:layout_constraintStart_toEndOf="@id/roomPollsLoadMore"
+        app:layout_constraintTop_toTopOf="@id/roomPollsLoadMore" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

vector/src/test/java/im/vector/app/features/home/room/detail/timeline/factory/PollItemViewStateFactoryTest.kt

@@ -131,6 +131,24 @@ class PollItemViewStateFactoryTest {
         )
     }
 
+    @Test
+    fun `given a sent poll state with some decryption error when poll is closed then warning message is displayed`() {
+        // Given
+        val stringProvider = FakeStringProvider()
+        val pollItemViewStateFactory = PollItemViewStateFactory(stringProvider.instance)
+        val closedPollSummary = A_POLL_RESPONSE_DATA.copy(isClosed = true, hasEncryptedRelatedEvents = true)
+        val closedPollInformationData = A_MESSAGE_INFORMATION_DATA.copy(pollResponseAggregatedSummary = closedPollSummary)
+
+        // When
+        val pollViewState = pollItemViewStateFactory.create(
+                pollContent = A_POLL_CONTENT,
+                informationData = closedPollInformationData,
+        )
+
+        // Then
+        pollViewState.votesStatus shouldBeEqualTo stringProvider.instance.getString(R.string.unable_to_decrypt_some_events_in_poll)
+    }
+
     @Test
     fun `given a sent poll when undisclosed poll type is selected then poll is votable and option states are PollUndisclosed`() {
         val stringProvider = FakeStringProvider()
@@ -193,6 +211,34 @@ class PollItemViewStateFactoryTest {
         )
     }
 
+    @Test
+    fun `given a sent poll with decryption failure when my vote exists then a warning message is displayed`() {
+        // Given
+        val stringProvider = FakeStringProvider()
+        val pollItemViewStateFactory = PollItemViewStateFactory(stringProvider.instance)
+        val votedPollData = A_POLL_RESPONSE_DATA.copy(
+                totalVotes = 1,
+                myVote = A_POLL_OPTION_IDS[0],
+                votes = mapOf(A_POLL_OPTION_IDS[0] to PollVoteSummaryData(total = 1, percentage = 1.0)),
+                hasEncryptedRelatedEvents = true,
+        )
+        val disclosedPollContent = A_POLL_CONTENT.copy(
+                unstablePollCreationInfo = A_POLL_CONTENT.getBestPollCreationInfo()?.copy(
+                        kind = PollType.DISCLOSED_UNSTABLE
+                ),
+        )
+        val votedInformationData = A_MESSAGE_INFORMATION_DATA.copy(pollResponseAggregatedSummary = votedPollData)
+
+        // When
+        val pollViewState = pollItemViewStateFactory.create(
+                pollContent = disclosedPollContent,
+                informationData = votedInformationData,
+        )
+
+        // Then
+        pollViewState.votesStatus shouldBeEqualTo stringProvider.instance.getString(R.string.unable_to_decrypt_some_events_in_poll)
+    }
+
     @Test
     fun `given a sent poll when poll type is disclosed then poll is votable and option view states are PollReady`() {
         val stringProvider = FakeStringProvider()

vector/src/test/java/im/vector/app/features/roomprofile/polls/RoomPollsViewModelTest.kt

@@ -17,8 +17,17 @@
 package im.vector.app.features.roomprofile.polls
 
 import com.airbnb.mvrx.test.MavericksTestRule
+import im.vector.app.features.roomprofile.polls.list.data.LoadedPollsStatus
+import im.vector.app.features.roomprofile.polls.list.domain.GetLoadedPollsStatusUseCase
+import im.vector.app.features.roomprofile.polls.list.domain.GetPollsUseCase
+import im.vector.app.features.roomprofile.polls.list.domain.LoadMorePollsUseCase
+import im.vector.app.features.roomprofile.polls.list.domain.SyncPollsUseCase
+import im.vector.app.features.roomprofile.polls.list.ui.PollSummary
 import im.vector.app.test.test
 import im.vector.app.test.testDispatcher
+import io.mockk.coEvery
+import io.mockk.coJustRun
+import io.mockk.coVerify
 import io.mockk.every
 import io.mockk.mockk
 import io.mockk.verify
@@ -26,7 +35,7 @@ import kotlinx.coroutines.flow.flowOf
 import org.junit.Rule
 import org.junit.Test
 
-private const val ROOM_ID = "room-id"
+private const val A_ROOM_ID = "room-id"
 
 class RoomPollsViewModelTest {
 
@@ -34,21 +43,33 @@ class RoomPollsViewModelTest {
     val mavericksTestRule = MavericksTestRule(testDispatcher = testDispatcher)
 
     private val fakeGetPollsUseCase = mockk<GetPollsUseCase>()
-    private val initialState = RoomPollsViewState(ROOM_ID)
+    private val fakeGetLoadedPollsStatusUseCase = mockk<GetLoadedPollsStatusUseCase>()
+    private val fakeLoadMorePollsUseCase = mockk<LoadMorePollsUseCase>()
+    private val fakeSyncPollsUseCase = mockk<SyncPollsUseCase>()
+    private val initialState = RoomPollsViewState(A_ROOM_ID)
 
     private fun createViewModel(): RoomPollsViewModel {
         return RoomPollsViewModel(
                 initialState = initialState,
                 getPollsUseCase = fakeGetPollsUseCase,
+                getLoadedPollsStatusUseCase = fakeGetLoadedPollsStatusUseCase,
+                loadMorePollsUseCase = fakeLoadMorePollsUseCase,
+                syncPollsUseCase = fakeSyncPollsUseCase,
         )
     }
 
     @Test
-    fun `given viewModel when created then polls list is observed and viewState is updated`() {
+    fun `given viewModel when created then polls list is observed, sync is launched and viewState is updated`() {
         // Given
+        val loadedPollsStatus = givenGetLoadedPollsStatusSuccess()
+        givenSyncPollsWithSuccess()
         val polls = listOf(givenAPollSummary())
-        every { fakeGetPollsUseCase.execute() } returns flowOf(polls)
+        every { fakeGetPollsUseCase.execute(A_ROOM_ID) } returns flowOf(polls)
-        val expectedViewState = initialState.copy(polls = polls)
+        val expectedViewState = initialState.copy(
+                polls = polls,
+                canLoadMore = loadedPollsStatus.canLoadMore,
+                nbLoadedDays = loadedPollsStatus.nbLoadedDays,
+        )
 
         // When
         val viewModel = createViewModel()
@@ -59,11 +80,88 @@ class RoomPollsViewModelTest {
                 .assertLatestState(expectedViewState)
                 .finish()
         verify {
-            fakeGetPollsUseCase.execute()
+            fakeGetPollsUseCase.execute(A_ROOM_ID)
         }
+        coVerify { fakeSyncPollsUseCase.execute(A_ROOM_ID) }
+    }
+
+    @Test
+    fun `given viewModel and error during sync process when created then error is raised in view event`() {
+        // Given
+        givenGetLoadedPollsStatusSuccess()
+        givenSyncPollsWithError(Exception())
+        val polls = listOf(givenAPollSummary())
+        every { fakeGetPollsUseCase.execute(A_ROOM_ID) } returns flowOf(polls)
+
+        // When
+        val viewModel = createViewModel()
+        val viewModelTest = viewModel.test()
+
+        // Then
+        viewModelTest
+                .assertEvents(RoomPollsViewEvent.LoadingError)
+                .finish()
+        coVerify { fakeSyncPollsUseCase.execute(A_ROOM_ID) }
+    }
+
+    @Test
+    fun `given viewModel when handle load more action then viewState is updated`() {
+        // Given
+        val loadedPollsStatus = givenGetLoadedPollsStatusSuccess()
+        givenSyncPollsWithSuccess()
+        val polls = listOf(givenAPollSummary())
+        every { fakeGetPollsUseCase.execute(A_ROOM_ID) } returns flowOf(polls)
+        val newLoadedPollsStatus = givenLoadMoreWithSuccess()
+        val viewModel = createViewModel()
+        val stateAfterInit = initialState.copy(
+                polls = polls,
+                canLoadMore = loadedPollsStatus.canLoadMore,
+                nbLoadedDays = loadedPollsStatus.nbLoadedDays,
+        )
+
+        // When
+        val viewModelTest = viewModel.test()
+        viewModel.handle(RoomPollsAction.LoadMorePolls)
+
+        // Then
+        viewModelTest
+                .assertStatesChanges(
+                        stateAfterInit,
+                        { copy(isLoadingMore = true) },
+                        { copy(canLoadMore = newLoadedPollsStatus.canLoadMore, nbLoadedDays = newLoadedPollsStatus.nbLoadedDays) },
+                        { copy(isLoadingMore = false) },
+                )
+                .finish()
+        coVerify { fakeLoadMorePollsUseCase.execute(A_ROOM_ID) }
     }
 
     private fun givenAPollSummary(): PollSummary {
         return mockk()
     }
+
+    private fun givenSyncPollsWithSuccess() {
+        coJustRun { fakeSyncPollsUseCase.execute(A_ROOM_ID) }
+    }
+
+    private fun givenSyncPollsWithError(error: Exception) {
+        coEvery { fakeSyncPollsUseCase.execute(A_ROOM_ID) } throws error
+    }
+
+    private fun givenLoadMoreWithSuccess(): LoadedPollsStatus {
+        val loadedPollsStatus = givenALoadedPollsStatus(canLoadMore = false, nbLoadedDays = 20)
+        coEvery { fakeLoadMorePollsUseCase.execute(A_ROOM_ID) } returns loadedPollsStatus
+        return loadedPollsStatus
+    }
+
+    private fun givenGetLoadedPollsStatusSuccess(): LoadedPollsStatus {
+        val loadedPollsStatus = givenALoadedPollsStatus()
+        every { fakeGetLoadedPollsStatusUseCase.execute(A_ROOM_ID) } returns loadedPollsStatus
+        return loadedPollsStatus
+    }
+
+    private fun givenALoadedPollsStatus(canLoadMore: Boolean = true, nbLoadedDays: Int = 10) =
+            LoadedPollsStatus(
+                    canLoadMore = canLoadMore,
+                    nbLoadedDays = nbLoadedDays,
+            )
 }

vector/src/test/java/im/vector/app/features/roomprofile/polls/list/data/RoomPollRepositoryTest.kt

@@ -0,0 +1,95 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.data
+
+import im.vector.app.features.roomprofile.polls.list.ui.PollSummary
+import io.mockk.coJustRun
+import io.mockk.coVerify
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import kotlinx.coroutines.flow.firstOrNull
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.test.runTest
+import org.amshove.kluent.shouldBeEqualTo
+import org.junit.Test
+
+private const val A_ROOM_ID = "room-id"
+
+class RoomPollRepositoryTest {
+
+    private val fakeRoomPollDataSource = mockk<RoomPollDataSource>()
+
+    private val roomPollRepository = RoomPollRepository(
+            roomPollDataSource = fakeRoomPollDataSource,
+    )
+
+    @Test
+    fun `given data source when getting polls then correct method of data source is called`() = runTest {
+        // Given
+        val expectedPolls = listOf<PollSummary>()
+        every { fakeRoomPollDataSource.getPolls(A_ROOM_ID) } returns flowOf(expectedPolls)
+
+        // When
+        val result = roomPollRepository.getPolls(A_ROOM_ID).firstOrNull()
+
+        // Then
+        result shouldBeEqualTo expectedPolls
+        verify { fakeRoomPollDataSource.getPolls(A_ROOM_ID) }
+    }
+
+    @Test
+    fun `given data source when getting loaded polls status then correct method of data source is called`() {
+        // Given
+        val expectedStatus = LoadedPollsStatus(
+                canLoadMore = true,
+                nbLoadedDays = 10,
+        )
+        every { fakeRoomPollDataSource.getLoadedPollsStatus(A_ROOM_ID) } returns expectedStatus
+
+        // When
+        val result = roomPollRepository.getLoadedPollsStatus(A_ROOM_ID)
+
+        // Then
+        result shouldBeEqualTo expectedStatus
+        verify { fakeRoomPollDataSource.getLoadedPollsStatus(A_ROOM_ID) }
+    }
+
+    @Test
+    fun `given data source when loading more polls then correct method of data source is called`() = runTest {
+        // Given
+        coJustRun { fakeRoomPollDataSource.loadMorePolls(A_ROOM_ID) }
+
+        // When
+        roomPollRepository.loadMorePolls(A_ROOM_ID)
+
+        // Then
+        coVerify { fakeRoomPollDataSource.loadMorePolls(A_ROOM_ID) }
+    }
+
+    @Test
+    fun `given data source when syncing polls then correct method of data source is called`() = runTest {
+        // Given
+        coJustRun { fakeRoomPollDataSource.syncPolls(A_ROOM_ID) }
+
+        // When
+        roomPollRepository.syncPolls(A_ROOM_ID)
+
+        // Then
+        coVerify { fakeRoomPollDataSource.syncPolls(A_ROOM_ID) }
+    }
+}

vector/src/test/java/im/vector/app/features/roomprofile/polls/list/domain/GetLoadedPollsStatusUseCaseTest.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 im.vector.app.features.roomprofile.polls.list.domain
+
+import im.vector.app.features.roomprofile.polls.list.data.LoadedPollsStatus
+import im.vector.app.features.roomprofile.polls.list.data.RoomPollRepository
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import org.amshove.kluent.shouldBeEqualTo
+import org.junit.Test
+
+class GetLoadedPollsStatusUseCaseTest {
+
+    private val fakeRoomPollRepository = mockk<RoomPollRepository>()
+
+    private val getLoadedPollsStatusUseCase = GetLoadedPollsStatusUseCase(
+            roomPollRepository = fakeRoomPollRepository,
+    )
+
+    @Test
+    fun `given repo when execute then correct method of repo is called`() {
+        // Given
+        val aRoomId = "roomId"
+        val expectedStatus = LoadedPollsStatus(
+                canLoadMore = true,
+                nbLoadedDays = 10,
+        )
+        every { fakeRoomPollRepository.getLoadedPollsStatus(aRoomId) } returns expectedStatus
+
+        // When
+        val status = getLoadedPollsStatusUseCase.execute(aRoomId)
+
+        // Then
+        status shouldBeEqualTo expectedStatus
+        verify { fakeRoomPollRepository.getLoadedPollsStatus(aRoomId) }
+    }
+}

vector/src/test/java/im/vector/app/features/roomprofile/polls/list/domain/GetPollsUseCaseTest.kt

@@ -0,0 +1,63 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.domain
+
+import im.vector.app.features.roomprofile.polls.list.data.RoomPollRepository
+import im.vector.app.features.roomprofile.polls.list.ui.PollSummary
+import im.vector.app.test.fixtures.RoomPollFixture
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.test.runTest
+import org.amshove.kluent.shouldBeEqualTo
+import org.junit.Test
+
+class GetPollsUseCaseTest {
+    private val fakeRoomPollRepository = mockk<RoomPollRepository>()
+
+    private val getPollsUseCase = GetPollsUseCase(
+            roomPollRepository = fakeRoomPollRepository,
+    )
+
+    @Test
+    fun `given repo when execute then correct method of repo is called and polls are sorted most recent first`() = runTest {
+        // Given
+        val aRoomId = "roomId"
+        val poll1 = RoomPollFixture.anActivePollSummary(timestamp = 1)
+        val poll2 = RoomPollFixture.anActivePollSummary(timestamp = 2)
+        val poll3 = RoomPollFixture.anActivePollSummary(timestamp = 3)
+        val polls = listOf<PollSummary>(
+                poll1,
+                poll2,
+                poll3,
+        )
+        every { fakeRoomPollRepository.getPolls(aRoomId) } returns flowOf(polls)
+        val expectedPolls = listOf<PollSummary>(
+                poll3,
+                poll2,
+                poll1,
+        )
+        // When
+        val result = getPollsUseCase.execute(aRoomId).first()
+
+        // Then
+        result shouldBeEqualTo expectedPolls
+        verify { fakeRoomPollRepository.getPolls(aRoomId) }
+    }
+}

vector/src/test/java/im/vector/app/features/roomprofile/polls/list/domain/LoadMorePollsUseCaseTest.kt

@@ -0,0 +1,46 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.domain
+
+import im.vector.app.features.roomprofile.polls.list.data.RoomPollRepository
+import io.mockk.coJustRun
+import io.mockk.coVerify
+import io.mockk.mockk
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+
+class LoadMorePollsUseCaseTest {
+
+    private val fakeRoomPollRepository = mockk<RoomPollRepository>()
+
+    private val loadMorePollsUseCase = LoadMorePollsUseCase(
+            roomPollRepository = fakeRoomPollRepository,
+    )
+
+    @Test
+    fun `given repo when execute then correct method of repo is called`() = runTest {
+        // Given
+        val aRoomId = "roomId"
+        coJustRun { fakeRoomPollRepository.loadMorePolls(aRoomId) }
+
+        // When
+        loadMorePollsUseCase.execute(aRoomId)
+
+        // Then
+        coVerify { fakeRoomPollRepository.loadMorePolls(aRoomId) }
+    }
+}

vector/src/test/java/im/vector/app/features/roomprofile/polls/list/domain/SyncPollsUseCaseTest.kt

@@ -0,0 +1,46 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.domain
+
+import im.vector.app.features.roomprofile.polls.list.data.RoomPollRepository
+import io.mockk.coJustRun
+import io.mockk.coVerify
+import io.mockk.mockk
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+
+class SyncPollsUseCaseTest {
+
+    private val fakeRoomPollRepository = mockk<RoomPollRepository>()
+
+    private val syncPollsUseCase = SyncPollsUseCase(
+            roomPollRepository = fakeRoomPollRepository,
+    )
+
+    @Test
+    fun `given repo when execute then correct method of repo is called`() = runTest {
+        // Given
+        val aRoomId = "roomId"
+        coJustRun { fakeRoomPollRepository.syncPolls(aRoomId) }
+
+        // When
+        syncPollsUseCase.execute(aRoomId)
+
+        // Then
+        coVerify { fakeRoomPollRepository.syncPolls(aRoomId) }
+    }
+}

vector/src/test/java/im/vector/app/test/fixtures/RoomPollFixture.kt

@@ -0,0 +1,47 @@
+/*
+ * 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 im.vector.app.test.fixtures
+
+import im.vector.app.features.home.room.detail.timeline.item.PollOptionViewState
+import im.vector.app.features.roomprofile.polls.list.ui.PollSummary
+
+object RoomPollFixture {
+
+    fun anActivePollSummary(
+            id: String = "",
+            timestamp: Long,
+            title: String = "",
+    ) = PollSummary.ActivePoll(
+            id = id,
+            creationTimestamp = timestamp,
+            title = title,
+    )
+
+    fun anEndedPollSummary(
+            id: String = "",
+            timestamp: Long,
+            title: String = "",
+            totalVotes: Int,
+            winnerOptions: List<PollOptionViewState.PollEnded>
+    ) = PollSummary.EndedPoll(
+            id = id,
+            creationTimestamp = timestamp,
+            title = title,
+            totalVotes = totalVotes,
+            winnerOptions = winnerOptions,
+    )
+}