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Merge pull request #4405 from vector-im/feature/fga/timeline_chunks_rework 

Feature/fga/timeline chunks rework
This commit is contained in:
Benoit Marty 2022-01-03 20:20:42 +01:00 committed by GitHub
parent 2c7df1c376 91215854f4
commit d670d3e872
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GPG Key ID: 4AEE18F83AFDEB23
35 changed files with 1507 additions and 1397 deletions
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1
changelog.d/4405.feature Normal file
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@ -0,0 +1 @@
Change internal timeline management.

1
changelog.d/4405.removal Normal file
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@ -0,0 +1 @@
Introduce method onStateUpdated on Timeline.Callback

69
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/common/CommonTestHelper.kt
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@ -145,36 +145,9 @@ class CommonTestHelper(context: Context) {
* @param nbOfMessages the number of time the message will be sent
*/
fun sendTextMessage(room: Room, message: String, nbOfMessages: Int, timeout: Long = TestConstants.timeOutMillis): List<TimelineEvent> {
val sentEvents = ArrayList<TimelineEvent>(nbOfMessages)
val timeline = room.createTimeline(null, TimelineSettings(10))
timeline.start()
waitWithLatch(timeout + 1_000L * nbOfMessages) { latch ->
val timelineListener = object : Timeline.Listener {
override fun onTimelineFailure(throwable: Throwable) {
}
override fun onNewTimelineEvents(eventIds: List<String>) {
// noop
}
override fun onTimelineUpdated(snapshot: List<TimelineEvent>) {
val newMessages = snapshot
.filter { it.root.sendState == SendState.SYNCED }
.filter { it.root.getClearType() == EventType.MESSAGE }
.filter { it.root.getClearContent().toModel<MessageContent>()?.body?.startsWith(message) == true }
Timber.v("New synced message size: ${newMessages.size}")
if (newMessages.size == nbOfMessages) {
sentEvents.addAll(newMessages)
// Remove listener now, if not at the next update sendEvents could change
timeline.removeListener(this)
latch.countDown()
}
}
}
timeline.addListener(timelineListener)
sendTextMessagesBatched(room, message, nbOfMessages)
}
val sentEvents = sendTextMessagesBatched(timeline, room, message, nbOfMessages, timeout)
timeline.dispose()
// Check that all events has been created
assertEquals("Message number do not match $sentEvents", nbOfMessages.toLong(), sentEvents.size.toLong())
@ -182,9 +155,10 @@ class CommonTestHelper(context: Context) {
}
/**
* Will send nb of messages provided by count parameter but waits a bit every 10 messages to avoid gap in sync
* Will send nb of messages provided by count parameter but waits every 10 messages to avoid gap in sync
*/
private fun sendTextMessagesBatched(room: Room, message: String, count: Int) {
private fun sendTextMessagesBatched(timeline: Timeline, room: Room, message: String, count: Int, timeout: Long): List<TimelineEvent> {
val sentEvents = ArrayList<TimelineEvent>(count)
(1 until count + 1)
.map { "$message #$it" }
.chunked(10)
@ -192,8 +166,34 @@ class CommonTestHelper(context: Context) {
batchedMessages.forEach { formattedMessage ->
room.sendTextMessage(formattedMessage)
}
Thread.sleep(1_000L)
waitWithLatch(timeout) { latch ->
val timelineListener = object : Timeline.Listener {
override fun onTimelineUpdated(snapshot: List<TimelineEvent>) {
val allSentMessages = snapshot
.filter { it.root.sendState == SendState.SYNCED }
.filter { it.root.getClearType() == EventType.MESSAGE }
.filter { it.root.getClearContent().toModel<MessageContent>()?.body?.startsWith(message) == true }
val hasSyncedAllBatchedMessages = allSentMessages
.map {
it.root.getClearContent().toModel<MessageContent>()?.body
}
.containsAll(batchedMessages)
if (allSentMessages.size == count) {
sentEvents.addAll(allSentMessages)
}
if (hasSyncedAllBatchedMessages) {
timeline.removeListener(this)
latch.countDown()
}
}
}
timeline.addListener(timelineListener)
}
}
return sentEvents
}
// PRIVATE METHODS *****************************************************************************
@ -332,13 +332,6 @@ class CommonTestHelper(context: Context) {
fun createEventListener(latch: CountDownLatch, predicate: (List<TimelineEvent>) -> Boolean): Timeline.Listener {
return object : Timeline.Listener {
override fun onTimelineFailure(throwable: Throwable) {
// noop
}
override fun onNewTimelineEvents(eventIds: List<String>) {
// noop
}
override fun onTimelineUpdated(snapshot: List<TimelineEvent>) {
if (predicate(snapshot)) {

183
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/session/room/timeline/TimelineBackToPreviousLastForwardTest.kt
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@ -1,183 +0,0 @@
/*
* Copyright 2020 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.session.room.timeline
import org.amshove.kluent.shouldBeFalse
import org.amshove.kluent.shouldBeTrue
import org.junit.Assert.assertTrue
import org.junit.FixMethodOrder
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
import org.junit.runners.MethodSorters
import org.matrix.android.sdk.InstrumentedTest
import org.matrix.android.sdk.api.extensions.orFalse
import org.matrix.android.sdk.api.session.events.model.EventType
import org.matrix.android.sdk.api.session.events.model.toModel
import org.matrix.android.sdk.api.session.room.model.message.MessageContent
import org.matrix.android.sdk.api.session.room.timeline.Timeline
import org.matrix.android.sdk.api.session.room.timeline.TimelineSettings
import org.matrix.android.sdk.common.CommonTestHelper
import org.matrix.android.sdk.common.CryptoTestHelper
import org.matrix.android.sdk.common.checkSendOrder
import timber.log.Timber
import java.util.concurrent.CountDownLatch
@RunWith(JUnit4::class)
@FixMethodOrder(MethodSorters.JVM)
class TimelineBackToPreviousLastForwardTest : InstrumentedTest {
private val commonTestHelper = CommonTestHelper(context())
private val cryptoTestHelper = CryptoTestHelper(commonTestHelper)
/**
* This test ensure that if we have a chunk in the timeline which is due to a sync, and we click to permalink of an
* even contained in a previous lastForward chunk, we will be able to go back to the live
*/
@Test
fun backToPreviousLastForwardTest() {
val cryptoTestData = cryptoTestHelper.doE2ETestWithAliceAndBobInARoom(false)
val aliceSession = cryptoTestData.firstSession
val bobSession = cryptoTestData.secondSession!!
val aliceRoomId = cryptoTestData.roomId
aliceSession.cryptoService().setWarnOnUnknownDevices(false)
bobSession.cryptoService().setWarnOnUnknownDevices(false)
val roomFromAlicePOV = aliceSession.getRoom(aliceRoomId)!!
val roomFromBobPOV = bobSession.getRoom(aliceRoomId)!!
val bobTimeline = roomFromBobPOV.createTimeline(null, TimelineSettings(30))
bobTimeline.start()
var roomCreationEventId: String? = null
run {
val lock = CountDownLatch(1)
val eventsListener = commonTestHelper.createEventListener(lock) { snapshot ->
Timber.e("Bob timeline updated: with ${snapshot.size} events:")
snapshot.forEach {
Timber.w(" event ${it.root}")
}
roomCreationEventId = snapshot.lastOrNull()?.root?.eventId
// Ok, we have the 8 first messages of the initial sync (room creation and bob join event)
snapshot.size == 8
}
bobTimeline.addListener(eventsListener)
commonTestHelper.await(lock)
bobTimeline.removeAllListeners()
bobTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeFalse()
bobTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeFalse()
}
// Bob stop to sync
bobSession.stopSync()
val messageRoot = "First messages from Alice"
// Alice sends 30 messages
commonTestHelper.sendTextMessage(
roomFromAlicePOV,
messageRoot,
30)
// Bob start to sync
bobSession.startSync(true)
run {
val lock = CountDownLatch(1)
val eventsListener = commonTestHelper.createEventListener(lock) { snapshot ->
Timber.e("Bob timeline updated: with ${snapshot.size} events:")
snapshot.forEach {
Timber.w(" event ${it.root}")
}
// Ok, we have the 10 last messages from Alice.
snapshot.size == 10 &&
snapshot.all { it.root.content.toModel<MessageContent>()?.body?.startsWith(messageRoot).orFalse() }
}
bobTimeline.addListener(eventsListener)
commonTestHelper.await(lock)
bobTimeline.removeAllListeners()
bobTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeTrue()
bobTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeFalse()
}
// Bob navigate to the first event (room creation event), so inside the previous last forward chunk
run {
val lock = CountDownLatch(1)
val eventsListener = commonTestHelper.createEventListener(lock) { snapshot ->
Timber.e("Bob timeline updated: with ${snapshot.size} events:")
snapshot.forEach {
Timber.w(" event ${it.root}")
}
// The event is in db, so it is fetch and auto pagination occurs, half of the number of events we have for this chunk (?)
snapshot.size == 4
}
bobTimeline.addListener(eventsListener)
// Restart the timeline to the first sent event, which is already in the database, so pagination should start automatically
assertTrue(roomFromBobPOV.getTimeLineEvent(roomCreationEventId!!) != null)
bobTimeline.restartWithEventId(roomCreationEventId)
commonTestHelper.await(lock)
bobTimeline.removeAllListeners()
bobTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeTrue()
bobTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeFalse()
}
// Bob scroll to the future
run {
val lock = CountDownLatch(1)
val eventsListener = commonTestHelper.createEventListener(lock) { snapshot ->
Timber.e("Bob timeline updated: with ${snapshot.size} events:")
snapshot.forEach {
Timber.w(" event ${it.root}")
}
// Bob can see the first event of the room (so Back pagination has worked)
snapshot.lastOrNull()?.root?.getClearType() == EventType.STATE_ROOM_CREATE &&
// 8 for room creation item, and 30 for the forward pagination
snapshot.size == 38 &&
snapshot.checkSendOrder(messageRoot, 30, 0)
}
bobTimeline.addListener(eventsListener)
bobTimeline.paginate(Timeline.Direction.FORWARDS, 50)
commonTestHelper.await(lock)
bobTimeline.removeAllListeners()
bobTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeFalse()
bobTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeFalse()
}
bobTimeline.dispose()
cryptoTestData.cleanUp(commonTestHelper)
}
}

55
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/session/room/timeline/TimelineForwardPaginationTest.kt
View File

@ -16,6 +16,8 @@
package org.matrix.android.sdk.session.room.timeline
import kotlinx.coroutines.runBlocking
import org.amshove.kluent.internal.assertEquals
import org.amshove.kluent.shouldBeFalse
import org.amshove.kluent.shouldBeTrue
import org.junit.FixMethodOrder
@ -123,54 +125,29 @@ class TimelineForwardPaginationTest : InstrumentedTest {
// Alice paginates BACKWARD and FORWARD of 50 events each
// Then she can only navigate FORWARD
run {
val lock = CountDownLatch(1)
val aliceEventsListener = commonTestHelper.createEventListener(lock) { snapshot ->
Timber.e("Alice timeline updated: with ${snapshot.size} events:")
snapshot.forEach {
Timber.w(" event ${it.root.content}")
}
// Alice can see the first event of the room (so Back pagination has worked)
snapshot.lastOrNull()?.root?.getClearType() == EventType.STATE_ROOM_CREATE &&
// 6 for room creation item (backward pagination), 1 for the context, and 50 for the forward pagination
snapshot.size == 57 // 6 + 1 + 50
val snapshot = runBlocking {
aliceTimeline.awaitPaginate(Timeline.Direction.BACKWARDS, 50)
aliceTimeline.awaitPaginate(Timeline.Direction.FORWARDS, 50)
}
aliceTimeline.addListener(aliceEventsListener)
// Restart the timeline to the first sent event
// We ask to load event backward and forward
aliceTimeline.paginate(Timeline.Direction.BACKWARDS, 50)
aliceTimeline.paginate(Timeline.Direction.FORWARDS, 50)
commonTestHelper.await(lock)
aliceTimeline.removeAllListeners()
aliceTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeTrue()
aliceTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeFalse()
assertEquals(EventType.STATE_ROOM_CREATE, snapshot.lastOrNull()?.root?.getClearType())
// 6 for room creation item (backward pagination), 1 for the context, and 50 for the forward pagination
// 6 + 1 + 50
assertEquals(57, snapshot.size)
}
// Alice paginates once again FORWARD for 50 events
// All the timeline is retrieved, she cannot paginate anymore in both direction
run {
val lock = CountDownLatch(1)
val aliceEventsListener = commonTestHelper.createEventListener(lock) { snapshot ->
Timber.e("Alice timeline updated: with ${snapshot.size} events:")
snapshot.forEach {
Timber.w(" event ${it.root.content}")
}
// 6 for room creation item (backward pagination),and numberOfMessagesToSend (all the message of the room)
snapshot.size == 6 + numberOfMessagesToSend &&
snapshot.checkSendOrder(message, numberOfMessagesToSend, 0)
}
aliceTimeline.addListener(aliceEventsListener)
// Ask for a forward pagination
aliceTimeline.paginate(Timeline.Direction.FORWARDS, 50)
commonTestHelper.await(lock)
aliceTimeline.removeAllListeners()
val snapshot = runBlocking {
aliceTimeline.awaitPaginate(Timeline.Direction.FORWARDS, 50)
}
// 6 for room creation item (backward pagination),and numberOfMessagesToSend (all the message of the room)
snapshot.size == 6 + numberOfMessagesToSend &&
snapshot.checkSendOrder(message, numberOfMessagesToSend, 0)
// The timeline is fully loaded
aliceTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeFalse()

4
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/session/room/timeline/TimelinePreviousLastForwardTest.kt
View File

@ -168,10 +168,8 @@ class TimelinePreviousLastForwardTest : InstrumentedTest {
bobTimeline.addListener(eventsListener)
// Restart the timeline to the first sent event, and paginate in both direction
// Restart the timeline to the first sent event
bobTimeline.restartWithEventId(firstMessageFromAliceId)
bobTimeline.paginate(Timeline.Direction.BACKWARDS, 50)
bobTimeline.paginate(Timeline.Direction.FORWARDS, 50)
commonTestHelper.await(lock)
bobTimeline.removeAllListeners()

104
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/session/room/timeline/TimelineSimpleBackPaginationTest.kt Normal file
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@ -0,0 +1,104 @@
/*
* Copyright 2020 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.session.room.timeline
import kotlinx.coroutines.runBlocking
import org.amshove.kluent.internal.assertEquals
import org.junit.FixMethodOrder
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
import org.junit.runners.MethodSorters
import org.matrix.android.sdk.InstrumentedTest
import org.matrix.android.sdk.api.extensions.orFalse
import org.matrix.android.sdk.api.session.events.model.isTextMessage
import org.matrix.android.sdk.api.session.events.model.toModel
import org.matrix.android.sdk.api.session.room.model.message.MessageTextContent
import org.matrix.android.sdk.api.session.room.timeline.Timeline
import org.matrix.android.sdk.api.session.room.timeline.TimelineSettings
import org.matrix.android.sdk.common.CommonTestHelper
import org.matrix.android.sdk.common.CryptoTestHelper
import org.matrix.android.sdk.common.TestConstants
@RunWith(JUnit4::class)
@FixMethodOrder(MethodSorters.JVM)
class TimelineSimpleBackPaginationTest : InstrumentedTest {
private val commonTestHelper = CommonTestHelper(context())
private val cryptoTestHelper = CryptoTestHelper(commonTestHelper)
@Test
fun timeline_backPaginate_shouldReachEndOfTimeline() {
val numberOfMessagesToSent = 200
val cryptoTestData = cryptoTestHelper.doE2ETestWithAliceAndBobInARoom(false)
val aliceSession = cryptoTestData.firstSession
val bobSession = cryptoTestData.secondSession!!
val roomId = cryptoTestData.roomId
aliceSession.cryptoService().setWarnOnUnknownDevices(false)
bobSession.cryptoService().setWarnOnUnknownDevices(false)
val roomFromAlicePOV = aliceSession.getRoom(roomId)!!
val roomFromBobPOV = bobSession.getRoom(roomId)!!
// Alice sends X messages
val message = "Message from Alice"
commonTestHelper.sendTextMessage(
roomFromAlicePOV,
message,
numberOfMessagesToSent)
val bobTimeline = roomFromBobPOV.createTimeline(null, TimelineSettings(30))
bobTimeline.start()
commonTestHelper.waitWithLatch(timeout = TestConstants.timeOutMillis * 10) {
val listener = object : Timeline.Listener {
override fun onStateUpdated(direction: Timeline.Direction, state: Timeline.PaginationState) {
if (direction == Timeline.Direction.FORWARDS) {
return
}
if (state.hasMoreToLoad && !state.loading) {
bobTimeline.paginate(Timeline.Direction.BACKWARDS, 30)
} else if (!state.hasMoreToLoad) {
bobTimeline.removeListener(this)
it.countDown()
}
}
}
bobTimeline.addListener(listener)
bobTimeline.paginate(Timeline.Direction.BACKWARDS, 30)
}
assertEquals(false, bobTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS))
assertEquals(false, bobTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS))
val onlySentEvents = runBlocking {
bobTimeline.getSnapshot()
}
.filter {
it.root.isTextMessage()
}.filter {
(it.root.content.toModel<MessageTextContent>())?.body?.startsWith(message).orFalse()
}
assertEquals(numberOfMessagesToSent, onlySentEvents.size)
bobTimeline.dispose()
cryptoTestData.cleanUp(commonTestHelper)
}
}

84
matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/session/room/timeline/TimelineTest.kt
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@ -1,84 +0,0 @@
/*
* Copyright 2020 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.session.room.timeline
import com.zhuinden.monarchy.Monarchy
import org.matrix.android.sdk.InstrumentedTest
internal class TimelineTest : InstrumentedTest {
companion object {
private const val ROOM_ID = "roomId"
}
private lateinit var monarchy: Monarchy
// @Before
// fun setup() {
// Timber.plant(Timber.DebugTree())
// Realm.init(context())
// val testConfiguration = RealmConfiguration.Builder().name("test-realm")
// .modules(SessionRealmModule()).build()
//
// Realm.deleteRealm(testConfiguration)
// monarchy = Monarchy.Builder().setRealmConfiguration(testConfiguration).build()
// RoomDataHelper.fakeInitialSync(monarchy, ROOM_ID)
// }
//
// private fun createTimeline(initialEventId: String? = null): Timeline {
// val taskExecutor = TaskExecutor(testCoroutineDispatchers)
// val tokenChunkEventPersistor = TokenChunkEventPersistor(monarchy)
// val paginationTask = FakePaginationTask @Inject constructor(tokenChunkEventPersistor)
// val getContextOfEventTask = FakeGetContextOfEventTask @Inject constructor(tokenChunkEventPersistor)
// val roomMemberExtractor = SenderRoomMemberExtractor(ROOM_ID)
// val timelineEventFactory = TimelineEventFactory(roomMemberExtractor, EventRelationExtractor())
// return DefaultTimeline(
// ROOM_ID,
// initialEventId,
// monarchy.realmConfiguration,
// taskExecutor,
// getContextOfEventTask,
// timelineEventFactory,
// paginationTask,
// null)
// }
//
// @Test
// fun backPaginate_shouldLoadMoreEvents_whenPaginateIsCalled() {
// val timeline = createTimeline()
// timeline.start()
// val paginationCount = 30
// var initialLoad = 0
// val latch = CountDownLatch(2)
// var timelineEvents: List<TimelineEvent> = emptyList()
// timeline.listener = object : Timeline.Listener {
// override fun onTimelineUpdated(snapshot: List<TimelineEvent>) {
// if (snapshot.isNotEmpty()) {
// if (initialLoad == 0) {
// initialLoad = snapshot.size
// }
// timelineEvents = snapshot
// latch.countDown()
// timeline.paginate(Timeline.Direction.BACKWARDS, paginationCount)
// }
// }
// }
// latch.await()
// timelineEvents.size shouldBeEqualTo initialLoad + paginationCount
// timeline.dispose()
// }
}

38
matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/timeline/Timeline.kt
View File

@ -71,14 +71,10 @@ interface Timeline {
fun paginate(direction: Direction, count: Int)
/**
* Returns the number of sending events
* This is the same than the regular paginate method but waits for the results instead
* of relying on the timeline listener.
*/
fun pendingEventCount(): Int
/**
* Returns the number of failed sending events.
*/
fun failedToDeliverEventCount(): Int
suspend fun awaitPaginate(direction: Direction, count: Int): List<TimelineEvent>
/**
* Returns the index of a built event or null.
@ -86,14 +82,14 @@ interface Timeline {
fun getIndexOfEvent(eventId: String?): Int?
/**
* Returns the built [TimelineEvent] at index or null
* Returns the current pagination state for the direction.
*/
fun getTimelineEventAtIndex(index: Int): TimelineEvent?
fun getPaginationState(direction: Direction): PaginationState
/**
* Returns the built [TimelineEvent] with eventId or null
* Returns a snapshot of the timeline in his current state.
*/
fun getTimelineEventWithId(eventId: String?): TimelineEvent?
fun getSnapshot(): List<TimelineEvent>
interface Listener {
/**
@ -101,19 +97,33 @@ interface Timeline {
* The latest event is the first in the list
* @param snapshot the most up to date snapshot
*/
fun onTimelineUpdated(snapshot: List<TimelineEvent>)
fun onTimelineUpdated(snapshot: List<TimelineEvent>) = Unit
/**
* Called whenever an error we can't recover from occurred
*/
fun onTimelineFailure(throwable: Throwable)
fun onTimelineFailure(throwable: Throwable) = Unit
/**
* Called when new events come through the sync
*/
fun onNewTimelineEvents(eventIds: List<String>)
fun onNewTimelineEvents(eventIds: List<String>) = Unit
/**
* Called when the pagination state has changed in one direction
*/
fun onStateUpdated(direction: Direction, state: PaginationState) = Unit
}
/**
* Pagination state
*/
data class PaginationState(
val hasMoreToLoad: Boolean = true,
val loading: Boolean = false,
val inError: Boolean = false
)
/**
* This is used to paginate in one or another direction.
*/

4
matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/timeline/TimelineEvent.kt
View File

@ -47,6 +47,10 @@ data class TimelineEvent(
*/
val localId: Long,
val eventId: String,
/**
* This display index is the position in the current chunk.
* It's not unique on the timeline as it's reset on each chunk.
*/
val displayIndex: Int,
val senderInfo: SenderInfo,
val annotations: EventAnnotationsSummary? = null,

89
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/DatabaseCleaner.kt
View File

@ -1,89 +0,0 @@
/*
* Copyright 2020 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
import io.realm.Realm
import io.realm.RealmConfiguration
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import org.matrix.android.sdk.api.session.Session
import org.matrix.android.sdk.api.session.SessionLifecycleObserver
import org.matrix.android.sdk.internal.database.helper.nextDisplayIndex
import org.matrix.android.sdk.internal.database.model.ChunkEntity
import org.matrix.android.sdk.internal.database.model.ChunkEntityFields
import org.matrix.android.sdk.internal.database.model.EventEntity
import org.matrix.android.sdk.internal.database.model.RoomEntity
import org.matrix.android.sdk.internal.database.model.TimelineEventEntity
import org.matrix.android.sdk.internal.database.model.TimelineEventEntityFields
import org.matrix.android.sdk.internal.database.model.deleteOnCascade
import org.matrix.android.sdk.internal.di.SessionDatabase
import org.matrix.android.sdk.internal.session.room.timeline.PaginationDirection
import org.matrix.android.sdk.internal.task.TaskExecutor
import timber.log.Timber
import javax.inject.Inject
private const val MAX_NUMBER_OF_EVENTS_IN_DB = 35_000L
private const val MIN_NUMBER_OF_EVENTS_BY_CHUNK = 300
/**
* This class makes sure to stay under a maximum number of events as it makes Realm to be unusable when listening to events
* when the database is getting too big. This will try incrementally to remove the biggest chunks until we get below the threshold.
* We make sure to still have a minimum number of events so it's not becoming unusable.
* So this won't work for users with a big number of very active rooms.
*/
internal class DatabaseCleaner @Inject constructor(@SessionDatabase private val realmConfiguration: RealmConfiguration,
private val taskExecutor: TaskExecutor) : SessionLifecycleObserver {
override fun onSessionStarted(session: Session) {
taskExecutor.executorScope.launch(Dispatchers.Default) {
awaitTransaction(realmConfiguration) { realm ->
val allRooms = realm.where(RoomEntity::class.java).findAll()
Timber.v("There are ${allRooms.size} rooms in this session")
cleanUp(realm, MAX_NUMBER_OF_EVENTS_IN_DB / 2L)
}
}
}
private fun cleanUp(realm: Realm, threshold: Long) {
val numberOfEvents = realm.where(EventEntity::class.java).findAll().size
val numberOfTimelineEvents = realm.where(TimelineEventEntity::class.java).findAll().size
Timber.v("Number of events in db: $numberOfEvents | Number of timeline events in db: $numberOfTimelineEvents")
if (threshold <= MIN_NUMBER_OF_EVENTS_BY_CHUNK || numberOfTimelineEvents < MAX_NUMBER_OF_EVENTS_IN_DB) {
Timber.v("Db is low enough")
} else {
val thresholdChunks = realm.where(ChunkEntity::class.java)
.greaterThan(ChunkEntityFields.NUMBER_OF_TIMELINE_EVENTS, threshold)
.findAll()
Timber.v("There are ${thresholdChunks.size} chunks to clean with more than $threshold events")
for (chunk in thresholdChunks) {
val maxDisplayIndex = chunk.nextDisplayIndex(PaginationDirection.FORWARDS)
val thresholdDisplayIndex = maxDisplayIndex - threshold
val eventsToRemove = chunk.timelineEvents.where().lessThan(TimelineEventEntityFields.DISPLAY_INDEX, thresholdDisplayIndex).findAll()
Timber.v("There are ${eventsToRemove.size} events to clean in chunk: ${chunk.identifier()} from room ${chunk.room?.first()?.roomId}")
chunk.numberOfTimelineEvents = chunk.numberOfTimelineEvents - eventsToRemove.size
eventsToRemove.forEach {
val canDeleteRoot = it.root?.stateKey == null
it.deleteOnCascade(canDeleteRoot)
}
// We reset the prevToken so we will need to fetch again.
chunk.prevToken = null
}
cleanUp(realm, (threshold / 1.5).toLong())
}
}
}

26
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/RealmSessionStoreMigration.kt
View File

@ -25,6 +25,7 @@ import org.matrix.android.sdk.api.session.room.model.RoomJoinRulesContent
import org.matrix.android.sdk.api.session.room.model.VersioningState
import org.matrix.android.sdk.api.session.room.model.create.RoomCreateContent
import org.matrix.android.sdk.api.session.room.model.tag.RoomTag
import org.matrix.android.sdk.internal.database.model.ChunkEntityFields
import org.matrix.android.sdk.internal.database.model.CurrentStateEventEntityFields
import org.matrix.android.sdk.internal.database.model.EditAggregatedSummaryEntityFields
import org.matrix.android.sdk.internal.database.model.EditionOfEventFields
@ -54,7 +55,7 @@ internal class RealmSessionStoreMigration @Inject constructor(
) : RealmMigration {
companion object {
const val SESSION_STORE_SCHEMA_VERSION = 19L
const val SESSION_STORE_SCHEMA_VERSION = 20L
}
/**
@ -86,6 +87,7 @@ internal class RealmSessionStoreMigration @Inject constructor(
if (oldVersion <= 16) migrateTo17(realm)
if (oldVersion <= 17) migrateTo18(realm)
if (oldVersion <= 18) migrateTo19(realm)
if (oldVersion <= 19) migrateTo20(realm)
}
private fun migrateTo1(realm: DynamicRealm) {
@ -390,4 +392,26 @@ internal class RealmSessionStoreMigration @Inject constructor(
}
}
}
private fun migrateTo20(realm: DynamicRealm) {
Timber.d("Step 19 -> 20")
realm.schema.get("ChunkEntity")?.apply {
if (hasField("numberOfTimelineEvents")) {
removeField("numberOfTimelineEvents")
}
var cleanOldChunks = false
if (!hasField(ChunkEntityFields.NEXT_CHUNK.`$`)) {
cleanOldChunks = true
addRealmObjectField(ChunkEntityFields.NEXT_CHUNK.`$`, this)
}
if (!hasField(ChunkEntityFields.PREV_CHUNK.`$`)) {
cleanOldChunks = true
addRealmObjectField(ChunkEntityFields.PREV_CHUNK.`$`, this)
}
if (cleanOldChunks) {
val chunkEntities = realm.where("ChunkEntity").equalTo(ChunkEntityFields.IS_LAST_FORWARD, false).findAll()
chunkEntities.deleteAllFromRealm()
}
}
}
}

28
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/helper/ChunkEntityHelper.kt
View File

@ -110,7 +110,7 @@ internal fun ChunkEntity.addTimelineEvent(roomId: String,
true
}
}
numberOfTimelineEvents++
// numberOfTimelineEvents++
timelineEvents.add(timelineEventEntity)
}
@ -191,3 +191,29 @@ internal fun ChunkEntity.nextDisplayIndex(direction: PaginationDirection): Int {
}
}
}
internal fun ChunkEntity.doesNextChunksVerifyCondition(linkCondition: (ChunkEntity) -> Boolean): Boolean {
var nextChunkToCheck = this.nextChunk
while (nextChunkToCheck != null) {
if (linkCondition(nextChunkToCheck)) {
return true
}
nextChunkToCheck = nextChunkToCheck.nextChunk
}
return false
}
internal fun ChunkEntity.isMoreRecentThan(chunkToCheck: ChunkEntity): Boolean {
if (this.isLastForward) return true
if (chunkToCheck.isLastForward) return false
// Check if the chunk to check is linked to this one
if (chunkToCheck.doesNextChunksVerifyCondition { it == this }) {
return true
}
// Otherwise check if this chunk is linked to last forward
if (this.doesNextChunksVerifyCondition { it.isLastForward }) {
return true
}
// We don't know, so we assume it's false
return false
}

10
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/helper/TimelineEventEntityHelper.kt
View File

@ -28,3 +28,13 @@ internal fun TimelineEventEntity.Companion.nextId(realm: Realm): Long {
currentIdNum.toLong() + 1
}
}
internal fun TimelineEventEntity.isMoreRecentThan(eventToCheck: TimelineEventEntity): Boolean {
val currentChunk = this.chunk?.first() ?: return false
val chunkToCheck = eventToCheck.chunk?.firstOrNull() ?: return false
return if (currentChunk == chunkToCheck) {
this.displayIndex >= eventToCheck.displayIndex
} else {
currentChunk.isMoreRecentThan(chunkToCheck)
}
}

3
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/model/ChunkEntity.kt
View File

@ -27,9 +27,10 @@ import org.matrix.android.sdk.internal.extensions.clearWith
internal open class ChunkEntity(@Index var prevToken: String? = null,
// Because of gaps we can have several chunks with nextToken == null
@Index var nextToken: String? = null,
var prevChunk: ChunkEntity? = null,
var nextChunk: ChunkEntity? = null,
var stateEvents: RealmList<EventEntity> = RealmList(),
var timelineEvents: RealmList<TimelineEventEntity> = RealmList(),
var numberOfTimelineEvents: Long = 0,
// Only one chunk will have isLastForward == true
@Index var isLastForward: Boolean = false,
@Index var isLastBackward: Boolean = false

12
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/model/EventEntity.kt
View File

@ -40,8 +40,6 @@ internal open class EventEntity(@Index var eventId: String = "",
var unsignedData: String? = null,
var redacts: String? = null,
var decryptionResultJson: String? = null,
var decryptionErrorCode: String? = null,
var decryptionErrorReason: String? = null,
var ageLocalTs: Long? = null
) : RealmObject() {
@ -55,6 +53,16 @@ internal open class EventEntity(@Index var eventId: String = "",
sendStateStr = value.name
}
var decryptionErrorCode: String? = null
set(value) {
if (value != field) field = value
}
var decryptionErrorReason: String? = null
set(value) {
if (value != field) field = value
}
companion object
fun setDecryptionResult(result: MXEventDecryptionResult, clearEvent: JsonDict? = null) {

2
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/model/TimelineEventEntity.kt
View File

@ -46,7 +46,5 @@ internal fun TimelineEventEntity.deleteOnCascade(canDeleteRoot: Boolean) {
if (canDeleteRoot) {
root?.deleteFromRealm()
}
annotations?.deleteOnCascade()
readReceipts?.deleteOnCascade()
deleteFromRealm()
}

23
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/query/ReadQueries.kt
View File

@ -18,6 +18,7 @@ package org.matrix.android.sdk.internal.database.query
import io.realm.Realm
import io.realm.RealmConfiguration
import org.matrix.android.sdk.api.session.events.model.LocalEcho
import org.matrix.android.sdk.internal.database.helper.isMoreRecentThan
import org.matrix.android.sdk.internal.database.model.ChunkEntity
import org.matrix.android.sdk.internal.database.model.ReadMarkerEntity
import org.matrix.android.sdk.internal.database.model.ReadReceiptEntity
@ -33,28 +34,26 @@ internal fun isEventRead(realmConfiguration: RealmConfiguration,
if (LocalEcho.isLocalEchoId(eventId)) {
return true
}
// If we don't know if the event has been read, we assume it's not
var isEventRead = false
Realm.getInstance(realmConfiguration).use { realm ->
val liveChunk = ChunkEntity.findLastForwardChunkOfRoom(realm, roomId) ?: return@use
val eventToCheck = liveChunk.timelineEvents.find(eventId)
val latestEvent = TimelineEventEntity.latestEvent(realm, roomId, true)
// If latest event is from you we are sure the event is read
if (latestEvent?.root?.sender == userId) {
return true
}
val eventToCheck = TimelineEventEntity.where(realm, roomId, eventId).findFirst()
isEventRead = when {
eventToCheck == null -> hasReadMissingEvent(
realm = realm,
latestChunkEntity = liveChunk,
roomId = roomId,
userId = userId,
eventId = eventId
)
eventToCheck == null -> false
eventToCheck.root?.sender == userId -> true
else -> {
val readReceipt = ReadReceiptEntity.where(realm, roomId, userId).findFirst() ?: return@use
val readReceiptIndex = liveChunk.timelineEvents.find(readReceipt.eventId)?.displayIndex ?: Int.MIN_VALUE
eventToCheck.displayIndex <= readReceiptIndex
val readReceiptEvent = TimelineEventEntity.where(realm, roomId, readReceipt.eventId).findFirst() ?: return@use
readReceiptEvent.isMoreRecentThan(eventToCheck)
}
}
}
return isEventRead
}

5
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/SessionModule.kt
View File

@ -47,7 +47,6 @@ import org.matrix.android.sdk.internal.crypto.secrets.DefaultSharedSecretStorage
import org.matrix.android.sdk.internal.crypto.tasks.DefaultRedactEventTask
import org.matrix.android.sdk.internal.crypto.tasks.RedactEventTask
import org.matrix.android.sdk.internal.crypto.verification.VerificationMessageProcessor
import org.matrix.android.sdk.internal.database.DatabaseCleaner
import org.matrix.android.sdk.internal.database.EventInsertLiveObserver
import org.matrix.android.sdk.internal.database.RealmSessionProvider
import org.matrix.android.sdk.internal.database.SessionRealmConfigurationFactory
@ -339,10 +338,6 @@ internal abstract class SessionModule {
@IntoSet
abstract fun bindIdentityService(service: DefaultIdentityService): SessionLifecycleObserver
@Binds
@IntoSet
abstract fun bindDatabaseCleaner(cleaner: DatabaseCleaner): SessionLifecycleObserver
@Binds
@IntoSet
abstract fun bindRealmSessionProvider(provider: RealmSessionProvider): SessionLifecycleObserver

2
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/read/DefaultReadService.kt
View File

@ -34,12 +34,10 @@ import org.matrix.android.sdk.internal.database.query.isEventRead
import org.matrix.android.sdk.internal.database.query.where
import org.matrix.android.sdk.internal.di.SessionDatabase
import org.matrix.android.sdk.internal.di.UserId
import org.matrix.android.sdk.internal.task.TaskExecutor
internal class DefaultReadService @AssistedInject constructor(
@Assisted private val roomId: String,
@SessionDatabase private val monarchy: Monarchy,
private val taskExecutor: TaskExecutor,
private val setReadMarkersTask: SetReadMarkersTask,
private val readReceiptsSummaryMapper: ReadReceiptsSummaryMapper,
@UserId private val userId: String

950
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/DefaultTimeline.kt
View File

File diff suppressed because it is too large Load Diff

15
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/DefaultTimelineService.kt
View File

@ -23,6 +23,7 @@ import dagger.assisted.AssistedFactory
import dagger.assisted.AssistedInject
import io.realm.Sort
import io.realm.kotlin.where
import org.matrix.android.sdk.api.MatrixCoroutineDispatchers
import org.matrix.android.sdk.api.session.events.model.isImageMessage
import org.matrix.android.sdk.api.session.events.model.isVideoMessage
import org.matrix.android.sdk.api.session.room.timeline.Timeline
@ -54,7 +55,8 @@ internal class DefaultTimelineService @AssistedInject constructor(
private val timelineEventMapper: TimelineEventMapper,
private val loadRoomMembersTask: LoadRoomMembersTask,
private val threadsAwarenessHandler: ThreadsAwarenessHandler,
private val readReceiptHandler: ReadReceiptHandler
private val readReceiptHandler: ReadReceiptHandler,
private val coroutineDispatchers: MatrixCoroutineDispatchers
) : TimelineService {
@AssistedFactory
@ -66,19 +68,18 @@ internal class DefaultTimelineService @AssistedInject constructor(
return DefaultTimeline(
roomId = roomId,
initialEventId = eventId,
settings = settings,
realmConfiguration = monarchy.realmConfiguration,
taskExecutor = taskExecutor,
contextOfEventTask = contextOfEventTask,
coroutineDispatchers = coroutineDispatchers,
paginationTask = paginationTask,
timelineEventMapper = timelineEventMapper,
settings = settings,
timelineInput = timelineInput,
eventDecryptor = eventDecryptor,
fetchTokenAndPaginateTask = fetchTokenAndPaginateTask,
realmSessionProvider = realmSessionProvider,
loadRoomMembersTask = loadRoomMembersTask,
threadsAwarenessHandler = threadsAwarenessHandler,
readReceiptHandler = readReceiptHandler
readReceiptHandler = readReceiptHandler,
getEventTask = contextOfEventTask,
threadsAwarenessHandler = threadsAwarenessHandler
)
}

11
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/TimelineState.kt → matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/LoadMoreResult.kt
View File

@ -16,9 +16,8 @@
package org.matrix.android.sdk.internal.session.room.timeline
internal data class TimelineState(
val hasReachedEnd: Boolean = false,
val hasMoreInCache: Boolean = true,
val isPaginating: Boolean = false,
val requestedPaginationCount: Int = 0
)
internal enum class LoadMoreResult {
REACHED_END,
SUCCESS,
FAILURE
}

232
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/LoadTimelineStrategy.kt Normal file
View File

@ -0,0 +1,232 @@
/*
* Copyright (c) 2021 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.timeline
import io.realm.OrderedCollectionChangeSet
import io.realm.OrderedRealmCollectionChangeListener
import io.realm.Realm
import io.realm.RealmResults
import kotlinx.coroutines.CompletableDeferred
import org.matrix.android.sdk.api.extensions.orFalse
import org.matrix.android.sdk.api.session.room.send.SendState
import org.matrix.android.sdk.api.session.room.timeline.Timeline
import org.matrix.android.sdk.api.session.room.timeline.TimelineEvent
import org.matrix.android.sdk.api.session.room.timeline.TimelineSettings
import org.matrix.android.sdk.internal.database.mapper.TimelineEventMapper
import org.matrix.android.sdk.internal.database.model.ChunkEntity
import org.matrix.android.sdk.internal.database.model.ChunkEntityFields
import org.matrix.android.sdk.internal.database.query.findAllIncludingEvents
import org.matrix.android.sdk.internal.database.query.where
import org.matrix.android.sdk.internal.session.sync.handler.room.ThreadsAwarenessHandler
import java.util.concurrent.atomic.AtomicReference
/**
* This class is responsible for keeping an instance of chunkEntity and timelineChunk according to the strategy.
* There is 2 different mode: Live and Permalink.
* In Live, we will query for the live chunk (isLastForward = true).
* In Permalink, we will query for the chunk including the eventId we are looking for.
* Once we got a ChunkEntity we wrap it with TimelineChunk class so we dispatch any methods for loading data.
*/
internal class LoadTimelineStrategy(
private val roomId: String,
private val timelineId: String,
private val mode: Mode,
private val dependencies: Dependencies) {
sealed interface Mode {
object Live : Mode
data class Permalink(val originEventId: String) : Mode
fun originEventId(): String? {
return if (this is Permalink) {
originEventId
} else {
null
}
}
}
data class Dependencies(
val timelineSettings: TimelineSettings,
val realm: AtomicReference<Realm>,
val eventDecryptor: TimelineEventDecryptor,
val paginationTask: PaginationTask,
val fetchTokenAndPaginateTask: FetchTokenAndPaginateTask,
val getContextOfEventTask: GetContextOfEventTask,
val timelineInput: TimelineInput,
val timelineEventMapper: TimelineEventMapper,
val threadsAwarenessHandler: ThreadsAwarenessHandler,
val onEventsUpdated: (Boolean) -> Unit,
val onLimitedTimeline: () -> Unit,
val onNewTimelineEvents: (List<String>) -> Unit
)
private var getContextLatch: CompletableDeferred<Unit>? = null
private var chunkEntity: RealmResults<ChunkEntity>? = null
private var timelineChunk: TimelineChunk? = null
private val chunkEntityListener = OrderedRealmCollectionChangeListener { _: RealmResults<ChunkEntity>, changeSet: OrderedCollectionChangeSet ->
// Can be call either when you open a permalink on an unknown event
// or when there is a gap in the timeline.
val shouldRebuildChunk = changeSet.insertions.isNotEmpty()
if (shouldRebuildChunk) {
timelineChunk?.close(closeNext = true, closePrev = true)
timelineChunk = chunkEntity?.createTimelineChunk()
// If we are waiting for a result of get context, post completion
getContextLatch?.complete(Unit)
// If we have a gap, just tell the timeline about it.
if (timelineChunk?.hasReachedLastForward().orFalse()) {
dependencies.onLimitedTimeline()
}
}
}
private val uiEchoManagerListener = object : UIEchoManager.Listener {
override fun rebuildEvent(eventId: String, builder: (TimelineEvent) -> TimelineEvent?): Boolean {
return timelineChunk?.rebuildEvent(eventId, builder, searchInNext = true, searchInPrev = true).orFalse()
}
}
private val timelineInputListener = object : TimelineInput.Listener {
override fun onLocalEchoCreated(roomId: String, timelineEvent: TimelineEvent) {
if (roomId != this@LoadTimelineStrategy.roomId) {
return
}
if (uiEchoManager.onLocalEchoCreated(timelineEvent)) {
dependencies.onNewTimelineEvents(listOf(timelineEvent.eventId))
dependencies.onEventsUpdated(false)
}
}
override fun onLocalEchoUpdated(roomId: String, eventId: String, sendState: SendState) {
if (roomId != this@LoadTimelineStrategy.roomId) {
return
}
if (uiEchoManager.onSendStateUpdated(eventId, sendState)) {
dependencies.onEventsUpdated(false)
}
}
override fun onNewTimelineEvents(roomId: String, eventIds: List<String>) {
if (roomId == this@LoadTimelineStrategy.roomId && hasReachedLastForward()) {
dependencies.onNewTimelineEvents(eventIds)
}
}
}
private val uiEchoManager = UIEchoManager(uiEchoManagerListener)
private val sendingEventsDataSource: SendingEventsDataSource = RealmSendingEventsDataSource(
roomId = roomId,
realm = dependencies.realm,
uiEchoManager = uiEchoManager,
timelineEventMapper = dependencies.timelineEventMapper,
onEventsUpdated = dependencies.onEventsUpdated
)
fun onStart() {
dependencies.eventDecryptor.start()
dependencies.timelineInput.listeners.add(timelineInputListener)
val realm = dependencies.realm.get()
sendingEventsDataSource.start()
chunkEntity = getChunkEntity(realm).also {
it.addChangeListener(chunkEntityListener)
timelineChunk = it.createTimelineChunk()
}
}
fun onStop() {
dependencies.eventDecryptor.destroy()
dependencies.timelineInput.listeners.remove(timelineInputListener)
chunkEntity?.removeChangeListener(chunkEntityListener)
sendingEventsDataSource.stop()
timelineChunk?.close(closeNext = true, closePrev = true)
getContextLatch?.cancel()
chunkEntity = null
timelineChunk = null
}
suspend fun loadMore(count: Int, direction: Timeline.Direction, fetchOnServerIfNeeded: Boolean = true): LoadMoreResult {
if (mode is Mode.Permalink && timelineChunk == null) {
val params = GetContextOfEventTask.Params(roomId, mode.originEventId)
try {
getContextLatch = CompletableDeferred()
dependencies.getContextOfEventTask.execute(params)
// waits for the query to be fulfilled
getContextLatch?.await()
getContextLatch = null
} catch (failure: Throwable) {
return LoadMoreResult.FAILURE
}
}
return timelineChunk?.loadMore(count, direction, fetchOnServerIfNeeded) ?: LoadMoreResult.FAILURE
}
fun getBuiltEventIndex(eventId: String): Int? {
return timelineChunk?.getBuiltEventIndex(eventId, searchInNext = true, searchInPrev = true)
}
fun getBuiltEvent(eventId: String): TimelineEvent? {
return timelineChunk?.getBuiltEvent(eventId, searchInNext = true, searchInPrev = true)
}
fun buildSnapshot(): List<TimelineEvent> {
return buildSendingEvents() + timelineChunk?.builtItems(includesNext = true, includesPrev = true).orEmpty()
}
private fun buildSendingEvents(): List<TimelineEvent> {
return if (hasReachedLastForward()) {
sendingEventsDataSource.buildSendingEvents()
} else {
emptyList()
}
}
private fun getChunkEntity(realm: Realm): RealmResults<ChunkEntity> {
return if (mode is Mode.Permalink) {
ChunkEntity.findAllIncludingEvents(realm, listOf(mode.originEventId))
} else {
ChunkEntity.where(realm, roomId)
.equalTo(ChunkEntityFields.IS_LAST_FORWARD, true)
.findAll()
}
}
private fun hasReachedLastForward(): Boolean {
return timelineChunk?.hasReachedLastForward().orFalse()
}
private fun RealmResults<ChunkEntity>.createTimelineChunk(): TimelineChunk? {
return firstOrNull()?.let {
return TimelineChunk(
chunkEntity = it,
timelineSettings = dependencies.timelineSettings,
roomId = roomId,
timelineId = timelineId,
eventDecryptor = dependencies.eventDecryptor,
paginationTask = dependencies.paginationTask,
fetchTokenAndPaginateTask = dependencies.fetchTokenAndPaginateTask,
timelineEventMapper = dependencies.timelineEventMapper,
uiEchoManager = uiEchoManager,
threadsAwarenessHandler = dependencies.threadsAwarenessHandler,
initialEventId = mode.originEventId(),
onBuiltEvents = dependencies.onEventsUpdated
)
}
}
}

86
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/SendingEventsDataSource.kt Normal file
View File

@ -0,0 +1,86 @@
/*
* Copyright (c) 2021 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.timeline
import io.realm.Realm
import io.realm.RealmChangeListener
import io.realm.RealmList
import org.matrix.android.sdk.api.session.room.timeline.TimelineEvent
import org.matrix.android.sdk.internal.database.mapper.TimelineEventMapper
import org.matrix.android.sdk.internal.database.model.RoomEntity
import org.matrix.android.sdk.internal.database.model.TimelineEventEntity
import org.matrix.android.sdk.internal.database.query.where
import java.util.concurrent.atomic.AtomicReference
internal interface SendingEventsDataSource {
fun start()
fun stop()
fun buildSendingEvents(): List<TimelineEvent>
}
internal class RealmSendingEventsDataSource(
private val roomId: String,
private val realm: AtomicReference<Realm>,
private val uiEchoManager: UIEchoManager,
private val timelineEventMapper: TimelineEventMapper,
private val onEventsUpdated: (Boolean) -> Unit
) : SendingEventsDataSource {
private var roomEntity: RoomEntity? = null
private var sendingTimelineEvents: RealmList<TimelineEventEntity>? = null
private var frozenSendingTimelineEvents: RealmList<TimelineEventEntity>? = null
private val sendingTimelineEventsListener = RealmChangeListener<RealmList<TimelineEventEntity>> { events ->
uiEchoManager.onSentEventsInDatabase(events.map { it.eventId })
frozenSendingTimelineEvents = sendingTimelineEvents?.freeze()
onEventsUpdated(false)
}
override fun start() {
val safeRealm = realm.get()
roomEntity = RoomEntity.where(safeRealm, roomId = roomId).findFirst()
sendingTimelineEvents = roomEntity?.sendingTimelineEvents
sendingTimelineEvents?.addChangeListener(sendingTimelineEventsListener)
}
override fun stop() {
sendingTimelineEvents?.removeChangeListener(sendingTimelineEventsListener)
sendingTimelineEvents = null
roomEntity = null
}
override fun buildSendingEvents(): List<TimelineEvent> {
val builtSendingEvents = mutableListOf<TimelineEvent>()
uiEchoManager.getInMemorySendingEvents()
.addWithUiEcho(builtSendingEvents)
frozenSendingTimelineEvents
?.filter { timelineEvent ->
builtSendingEvents.none { it.eventId == timelineEvent.eventId }
}
?.map {
timelineEventMapper.map(it)
}?.addWithUiEcho(builtSendingEvents)
return builtSendingEvents
}
private fun List<TimelineEvent>.addWithUiEcho(target: MutableList<TimelineEvent>) {
target.addAll(
map { uiEchoManager.updateSentStateWithUiEcho(it) }
)
}
}

479
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/TimelineChunk.kt Normal file
View File

@ -0,0 +1,479 @@
/*
* Copyright (c) 2021 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.timeline
import io.realm.OrderedCollectionChangeSet
import io.realm.OrderedRealmCollectionChangeListener
import io.realm.RealmObjectChangeListener
import io.realm.RealmQuery
import io.realm.RealmResults
import io.realm.Sort
import kotlinx.coroutines.CompletableDeferred
import org.matrix.android.sdk.api.extensions.orFalse
import org.matrix.android.sdk.api.extensions.tryOrNull
import org.matrix.android.sdk.api.session.events.model.EventType
import org.matrix.android.sdk.api.session.room.timeline.Timeline
import org.matrix.android.sdk.api.session.room.timeline.TimelineEvent
import org.matrix.android.sdk.api.session.room.timeline.TimelineSettings
import org.matrix.android.sdk.internal.database.mapper.EventMapper
import org.matrix.android.sdk.internal.database.mapper.TimelineEventMapper
import org.matrix.android.sdk.internal.database.model.ChunkEntity
import org.matrix.android.sdk.internal.database.model.ChunkEntityFields
import org.matrix.android.sdk.internal.database.model.TimelineEventEntity
import org.matrix.android.sdk.internal.database.model.TimelineEventEntityFields
import org.matrix.android.sdk.internal.session.sync.handler.room.ThreadsAwarenessHandler
import timber.log.Timber
import java.util.Collections
import java.util.concurrent.atomic.AtomicBoolean
/**
* This is a wrapper around a ChunkEntity in the database.
* It does mainly listen to the db timeline events.
* It also triggers pagination to the server when needed, or dispatch to the prev or next chunk if any.
*/
internal class TimelineChunk(private val chunkEntity: ChunkEntity,
private val timelineSettings: TimelineSettings,
private val roomId: String,
private val timelineId: String,
private val eventDecryptor: TimelineEventDecryptor,
private val paginationTask: PaginationTask,
private val fetchTokenAndPaginateTask: FetchTokenAndPaginateTask,
private val timelineEventMapper: TimelineEventMapper,
private val uiEchoManager: UIEchoManager? = null,
private val threadsAwarenessHandler: ThreadsAwarenessHandler,
private val initialEventId: String?,
private val onBuiltEvents: (Boolean) -> Unit) {
private val isLastForward = AtomicBoolean(chunkEntity.isLastForward)
private val isLastBackward = AtomicBoolean(chunkEntity.isLastBackward)
private var prevChunkLatch: CompletableDeferred<Unit>? = null
private var nextChunkLatch: CompletableDeferred<Unit>? = null
private val chunkObjectListener = RealmObjectChangeListener<ChunkEntity> { _, changeSet ->
if (changeSet == null) return@RealmObjectChangeListener
if (changeSet.isDeleted.orFalse()) {
return@RealmObjectChangeListener
}
Timber.v("on chunk (${chunkEntity.identifier()}) changed: ${changeSet.changedFields?.joinToString(",")}")
if (changeSet.isFieldChanged(ChunkEntityFields.IS_LAST_FORWARD)) {
isLastForward.set(chunkEntity.isLastForward)
}
if (changeSet.isFieldChanged(ChunkEntityFields.IS_LAST_BACKWARD)) {
isLastBackward.set(chunkEntity.isLastBackward)
}
if (changeSet.isFieldChanged(ChunkEntityFields.NEXT_CHUNK.`$`)) {
nextChunk = createTimelineChunk(chunkEntity.nextChunk)
nextChunkLatch?.complete(Unit)
}
if (changeSet.isFieldChanged(ChunkEntityFields.PREV_CHUNK.`$`)) {
prevChunk = createTimelineChunk(chunkEntity.prevChunk)
prevChunkLatch?.complete(Unit)
}
}
private val timelineEventsChangeListener =
OrderedRealmCollectionChangeListener { results: RealmResults<TimelineEventEntity>, changeSet: OrderedCollectionChangeSet ->
Timber.v("on timeline events chunk update")
val frozenResults = results.freeze()
handleDatabaseChangeSet(frozenResults, changeSet)
}
private var timelineEventEntities: RealmResults<TimelineEventEntity> = chunkEntity.sortedTimelineEvents()
private val builtEvents: MutableList<TimelineEvent> = Collections.synchronizedList(ArrayList())
private val builtEventsIndexes: MutableMap<String, Int> = Collections.synchronizedMap(HashMap<String, Int>())
private var nextChunk: TimelineChunk? = null
private var prevChunk: TimelineChunk? = null
init {
timelineEventEntities.addChangeListener(timelineEventsChangeListener)
chunkEntity.addChangeListener(chunkObjectListener)
}
fun hasReachedLastForward(): Boolean {
return if (isLastForward.get()) {
true
} else {
nextChunk?.hasReachedLastForward().orFalse()
}
}
fun builtItems(includesNext: Boolean, includesPrev: Boolean): List<TimelineEvent> {
val deepBuiltItems = ArrayList<TimelineEvent>(builtEvents.size)
if (includesNext) {
val nextEvents = nextChunk?.builtItems(includesNext = true, includesPrev = false).orEmpty()
deepBuiltItems.addAll(nextEvents)
}
deepBuiltItems.addAll(builtEvents)
if (includesPrev) {
val prevEvents = prevChunk?.builtItems(includesNext = false, includesPrev = true).orEmpty()
deepBuiltItems.addAll(prevEvents)
}
return deepBuiltItems
}
/**
* This will take care of loading and building events of this chunk for the given direction and count.
* If @param fetchFromServerIfNeeded is true, it will try to fetch more events on server to get the right amount of data.
* This method will also post a snapshot as soon the data is built from db to avoid waiting for server response.
*/
suspend fun loadMore(count: Int, direction: Timeline.Direction, fetchOnServerIfNeeded: Boolean = true): LoadMoreResult {
if (direction == Timeline.Direction.FORWARDS && nextChunk != null) {
return nextChunk?.loadMore(count, direction, fetchOnServerIfNeeded) ?: LoadMoreResult.FAILURE
} else if (direction == Timeline.Direction.BACKWARDS && prevChunk != null) {
return prevChunk?.loadMore(count, direction, fetchOnServerIfNeeded) ?: LoadMoreResult.FAILURE
}
val loadFromStorageCount = loadFromStorage(count, direction)
Timber.v("Has loaded $loadFromStorageCount items from storage in $direction")
val offsetCount = count - loadFromStorageCount
return if (direction == Timeline.Direction.FORWARDS && isLastForward.get()) {
LoadMoreResult.REACHED_END
} else if (direction == Timeline.Direction.BACKWARDS && isLastBackward.get()) {
LoadMoreResult.REACHED_END
} else if (offsetCount == 0) {
LoadMoreResult.SUCCESS
} else {
delegateLoadMore(fetchOnServerIfNeeded, offsetCount, direction)
}
}
private suspend fun delegateLoadMore(fetchFromServerIfNeeded: Boolean, offsetCount: Int, direction: Timeline.Direction): LoadMoreResult {
return if (direction == Timeline.Direction.FORWARDS) {
val nextChunkEntity = chunkEntity.nextChunk
when {
nextChunkEntity != null -> {
if (nextChunk == null) {
nextChunk = createTimelineChunk(nextChunkEntity)
}
nextChunk?.loadMore(offsetCount, direction, fetchFromServerIfNeeded) ?: LoadMoreResult.FAILURE
}
fetchFromServerIfNeeded -> {
fetchFromServer(offsetCount, chunkEntity.nextToken, direction)
}
else -> {
LoadMoreResult.SUCCESS
}
}
} else {
val prevChunkEntity = chunkEntity.prevChunk
when {
prevChunkEntity != null -> {
if (prevChunk == null) {
prevChunk = createTimelineChunk(prevChunkEntity)
}
prevChunk?.loadMore(offsetCount, direction, fetchFromServerIfNeeded) ?: LoadMoreResult.FAILURE
}
fetchFromServerIfNeeded -> {
fetchFromServer(offsetCount, chunkEntity.prevToken, direction)
}
else -> {
LoadMoreResult.SUCCESS
}
}
}
}
fun getBuiltEventIndex(eventId: String, searchInNext: Boolean, searchInPrev: Boolean): Int? {
val builtEventIndex = builtEventsIndexes[eventId]
if (builtEventIndex != null) {
return getOffsetIndex() + builtEventIndex
}
if (searchInNext) {
val nextBuiltEventIndex = nextChunk?.getBuiltEventIndex(eventId, searchInNext = true, searchInPrev = false)
if (nextBuiltEventIndex != null) {
return nextBuiltEventIndex
}
}
if (searchInPrev) {
val prevBuiltEventIndex = prevChunk?.getBuiltEventIndex(eventId, searchInNext = false, searchInPrev = true)
if (prevBuiltEventIndex != null) {
return prevBuiltEventIndex
}
}
return null
}
fun getBuiltEvent(eventId: String, searchInNext: Boolean, searchInPrev: Boolean): TimelineEvent? {
val builtEventIndex = builtEventsIndexes[eventId]
if (builtEventIndex != null) {
return builtEvents.getOrNull(builtEventIndex)
}
if (searchInNext) {
val nextBuiltEvent = nextChunk?.getBuiltEvent(eventId, searchInNext = true, searchInPrev = false)
if (nextBuiltEvent != null) {
return nextBuiltEvent
}
}
if (searchInPrev) {
val prevBuiltEvent = prevChunk?.getBuiltEvent(eventId, searchInNext = false, searchInPrev = true)
if (prevBuiltEvent != null) {
return prevBuiltEvent
}
}
return null
}
fun rebuildEvent(eventId: String, builder: (TimelineEvent) -> TimelineEvent?, searchInNext: Boolean, searchInPrev: Boolean): Boolean {
return tryOrNull {
val builtIndex = getBuiltEventIndex(eventId, searchInNext = false, searchInPrev = false)
if (builtIndex == null) {
val foundInPrev = searchInPrev && prevChunk?.rebuildEvent(eventId, builder, searchInNext = false, searchInPrev = true).orFalse()
if (foundInPrev) {
return true
}
if (searchInNext) {
return prevChunk?.rebuildEvent(eventId, builder, searchInPrev = false, searchInNext = true).orFalse()
}
return false
}
// Update the relation of existing event
builtEvents.getOrNull(builtIndex)?.let { te ->
val rebuiltEvent = builder(te)
builtEvents[builtIndex] = rebuiltEvent!!
true
}
}
?: false
}
fun close(closeNext: Boolean, closePrev: Boolean) {
if (closeNext) {
nextChunk?.close(closeNext = true, closePrev = false)
}
if (closePrev) {
prevChunk?.close(closeNext = false, closePrev = true)
}
nextChunk = null
nextChunkLatch?.cancel()
prevChunk = null
prevChunkLatch?.cancel()
chunkEntity.removeChangeListener(chunkObjectListener)
timelineEventEntities.removeChangeListener(timelineEventsChangeListener)
}
/**
* This method tries to read events from the current chunk.
*/
private suspend fun loadFromStorage(count: Int, direction: Timeline.Direction): Int {
val displayIndex = getNextDisplayIndex(direction) ?: return 0
val baseQuery = timelineEventEntities.where()
val timelineEvents = baseQuery.offsets(direction, count, displayIndex).findAll().orEmpty()
if (timelineEvents.isEmpty()) return 0
fetchRootThreadEventsIfNeeded(timelineEvents)
if (direction == Timeline.Direction.FORWARDS) {
builtEventsIndexes.entries.forEach { it.setValue(it.value + timelineEvents.size) }
}
timelineEvents
.mapIndexed { index, timelineEventEntity ->
val timelineEvent = timelineEventEntity.buildAndDecryptIfNeeded()
if (timelineEvent.root.type == EventType.STATE_ROOM_CREATE) {
isLastBackward.set(true)
}
if (direction == Timeline.Direction.FORWARDS) {
builtEventsIndexes[timelineEvent.eventId] = index
builtEvents.add(index, timelineEvent)
} else {
builtEventsIndexes[timelineEvent.eventId] = builtEvents.size
builtEvents.add(timelineEvent)
}
}
return timelineEvents.size
}
/**
* This function is responsible to fetch and store the root event of a thread event
* in order to be able to display the event to the user appropriately
*/
private suspend fun fetchRootThreadEventsIfNeeded(offsetResults: List<TimelineEventEntity>) {
val eventEntityList = offsetResults
.mapNotNull {
it.root
}.map {
EventMapper.map(it)
}
threadsAwarenessHandler.fetchRootThreadEventsIfNeeded(eventEntityList)
}
private fun TimelineEventEntity.buildAndDecryptIfNeeded(): TimelineEvent {
val timelineEvent = buildTimelineEvent(this)
val transactionId = timelineEvent.root.unsignedData?.transactionId
uiEchoManager?.onSyncedEvent(transactionId)
if (timelineEvent.isEncrypted() &&
timelineEvent.root.mxDecryptionResult == null) {
timelineEvent.root.eventId?.also { eventDecryptor.requestDecryption(TimelineEventDecryptor.DecryptionRequest(timelineEvent.root, timelineId)) }
}
return timelineEvent
}
private fun buildTimelineEvent(eventEntity: TimelineEventEntity) = timelineEventMapper.map(
timelineEventEntity = eventEntity,
buildReadReceipts = timelineSettings.buildReadReceipts
).let {
// eventually enhance with ui echo?
(uiEchoManager?.decorateEventWithReactionUiEcho(it) ?: it)
}
/**
* Will try to fetch a new chunk on the home server.
* It will take care to update the database by inserting new events and linking new chunk
* with this one.
*/
private suspend fun fetchFromServer(count: Int, token: String?, direction: Timeline.Direction): LoadMoreResult {
val latch = if (direction == Timeline.Direction.FORWARDS) {
nextChunkLatch = CompletableDeferred()
nextChunkLatch
} else {
prevChunkLatch = CompletableDeferred()
prevChunkLatch
}
val loadMoreResult = try {
if (token == null) {
if (direction == Timeline.Direction.BACKWARDS || !chunkEntity.hasBeenALastForwardChunk()) return LoadMoreResult.REACHED_END
val lastKnownEventId = chunkEntity.sortedTimelineEvents().firstOrNull()?.eventId ?: return LoadMoreResult.FAILURE
val taskParams = FetchTokenAndPaginateTask.Params(roomId, lastKnownEventId, direction.toPaginationDirection(), count)
fetchTokenAndPaginateTask.execute(taskParams).toLoadMoreResult()
} else {
Timber.v("Fetch $count more events on server")
val taskParams = PaginationTask.Params(roomId, token, direction.toPaginationDirection(), count)
paginationTask.execute(taskParams).toLoadMoreResult()
}
} catch (failure: Throwable) {
Timber.e("Failed to fetch from server: $failure", failure)
LoadMoreResult.FAILURE
}
return if (loadMoreResult == LoadMoreResult.SUCCESS) {
latch?.await()
loadMore(count, direction, fetchOnServerIfNeeded = false)
} else {
loadMoreResult
}
}
private fun TokenChunkEventPersistor.Result.toLoadMoreResult(): LoadMoreResult {
return when (this) {
TokenChunkEventPersistor.Result.REACHED_END -> LoadMoreResult.REACHED_END
TokenChunkEventPersistor.Result.SHOULD_FETCH_MORE,
TokenChunkEventPersistor.Result.SUCCESS -> LoadMoreResult.SUCCESS
}
}
private fun getOffsetIndex(): Int {
var offset = 0
var currentNextChunk = nextChunk
while (currentNextChunk != null) {
offset += currentNextChunk.builtEvents.size
currentNextChunk = currentNextChunk.nextChunk
}
return offset
}
/**
* This method is responsible for managing insertions and updates of events on this chunk.
*
*/
private fun handleDatabaseChangeSet(frozenResults: RealmResults<TimelineEventEntity>, changeSet: OrderedCollectionChangeSet) {
val insertions = changeSet.insertionRanges
for (range in insertions) {
val newItems = frozenResults
.subList(range.startIndex, range.startIndex + range.length)
.map { it.buildAndDecryptIfNeeded() }
builtEventsIndexes.entries.filter { it.value >= range.startIndex }.forEach { it.setValue(it.value + range.length) }
newItems.mapIndexed { index, timelineEvent ->
if (timelineEvent.root.type == EventType.STATE_ROOM_CREATE) {
isLastBackward.set(true)
}
val correctedIndex = range.startIndex + index
builtEvents.add(correctedIndex, timelineEvent)
builtEventsIndexes[timelineEvent.eventId] = correctedIndex
}
}
val modifications = changeSet.changeRanges
for (range in modifications) {
for (modificationIndex in (range.startIndex until range.startIndex + range.length)) {
val updatedEntity = frozenResults[modificationIndex] ?: continue
try {
builtEvents[modificationIndex] = updatedEntity.buildAndDecryptIfNeeded()
} catch (failure: Throwable) {
Timber.v("Fail to update items at index: $modificationIndex")
}
}
}
if (insertions.isNotEmpty() || modifications.isNotEmpty()) {
onBuiltEvents(true)
}
}
private fun getNextDisplayIndex(direction: Timeline.Direction): Int? {
val frozenTimelineEvents = timelineEventEntities.freeze()
if (frozenTimelineEvents.isEmpty()) {
return null
}
return if (builtEvents.isEmpty()) {
if (initialEventId != null) {
frozenTimelineEvents.where().equalTo(TimelineEventEntityFields.EVENT_ID, initialEventId).findFirst()?.displayIndex
} else if (direction == Timeline.Direction.BACKWARDS) {
frozenTimelineEvents.first()?.displayIndex
} else {
frozenTimelineEvents.last()?.displayIndex
}
} else if (direction == Timeline.Direction.FORWARDS) {
builtEvents.first().displayIndex + 1
} else {
builtEvents.last().displayIndex - 1
}
}
private fun createTimelineChunk(chunkEntity: ChunkEntity?): TimelineChunk? {
if (chunkEntity == null) return null
return TimelineChunk(
chunkEntity = chunkEntity,
timelineSettings = timelineSettings,
roomId = roomId,
timelineId = timelineId,
eventDecryptor = eventDecryptor,
paginationTask = paginationTask,
fetchTokenAndPaginateTask = fetchTokenAndPaginateTask,
timelineEventMapper = timelineEventMapper,
uiEchoManager = uiEchoManager,
threadsAwarenessHandler = threadsAwarenessHandler,
initialEventId = null,
onBuiltEvents = this.onBuiltEvents
)
}
}
private fun RealmQuery<TimelineEventEntity>.offsets(
direction: Timeline.Direction,
count: Int,
startDisplayIndex: Int
): RealmQuery<TimelineEventEntity> {
sort(TimelineEventEntityFields.DISPLAY_INDEX, Sort.DESCENDING)
if (direction == Timeline.Direction.BACKWARDS) {
lessThanOrEqualTo(TimelineEventEntityFields.DISPLAY_INDEX, startDisplayIndex)
} else {
greaterThanOrEqualTo(TimelineEventEntityFields.DISPLAY_INDEX, startDisplayIndex)
}
return limit(count.toLong())
}
private fun Timeline.Direction.toPaginationDirection(): PaginationDirection {
return if (this == Timeline.Direction.BACKWARDS) PaginationDirection.BACKWARDS else PaginationDirection.FORWARDS
}
private fun ChunkEntity.sortedTimelineEvents(): RealmResults<TimelineEventEntity> {
return timelineEvents.sort(TimelineEventEntityFields.DISPLAY_INDEX, Sort.DESCENDING)
}

5
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/TimelineInput.kt
View File

@ -23,6 +23,9 @@ import javax.inject.Inject
@SessionScope
internal class TimelineInput @Inject constructor() {
val listeners = mutableSetOf<Listener>()
fun onLocalEchoCreated(roomId: String, timelineEvent: TimelineEvent) {
listeners.toSet().forEach { it.onLocalEchoCreated(roomId, timelineEvent) }
}
@ -35,8 +38,6 @@ internal class TimelineInput @Inject constructor() {
listeners.toSet().forEach { it.onNewTimelineEvents(roomId, eventIds) }
}
val listeners = mutableSetOf<Listener>()
internal interface Listener {
fun onLocalEchoCreated(roomId: String, timelineEvent: TimelineEvent) = Unit
fun onLocalEchoUpdated(roomId: String, eventId: String, sendState: SendState) = Unit

186
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/TokenChunkEventPersistor.kt
View File

@ -25,94 +25,25 @@ import org.matrix.android.sdk.api.session.room.send.SendState
import org.matrix.android.sdk.internal.database.helper.addIfNecessary
import org.matrix.android.sdk.internal.database.helper.addStateEvent
import org.matrix.android.sdk.internal.database.helper.addTimelineEvent
import org.matrix.android.sdk.internal.database.helper.merge
import org.matrix.android.sdk.internal.database.mapper.toEntity
import org.matrix.android.sdk.internal.database.model.ChunkEntity
import org.matrix.android.sdk.internal.database.model.EventInsertType
import org.matrix.android.sdk.internal.database.model.RoomEntity
import org.matrix.android.sdk.internal.database.model.RoomSummaryEntity
import org.matrix.android.sdk.internal.database.model.deleteOnCascade
import org.matrix.android.sdk.internal.database.model.TimelineEventEntity
import org.matrix.android.sdk.internal.database.query.copyToRealmOrIgnore
import org.matrix.android.sdk.internal.database.query.create
import org.matrix.android.sdk.internal.database.query.find
import org.matrix.android.sdk.internal.database.query.findAllIncludingEvents
import org.matrix.android.sdk.internal.database.query.findLastForwardChunkOfRoom
import org.matrix.android.sdk.internal.database.query.getOrCreate
import org.matrix.android.sdk.internal.database.query.where
import org.matrix.android.sdk.internal.di.SessionDatabase
import org.matrix.android.sdk.internal.session.room.summary.RoomSummaryEventsHelper
import org.matrix.android.sdk.internal.util.awaitTransaction
import timber.log.Timber
import javax.inject.Inject
/**
* Insert Chunk in DB, and eventually merge with existing chunk event
* Insert Chunk in DB, and eventually link next and previous chunk in db.
*/
internal class TokenChunkEventPersistor @Inject constructor(@SessionDatabase private val monarchy: Monarchy) {
/**
* <pre>
* ========================================================================================================
* | Backward case |
* ========================================================================================================
*
* *--------------------------* *--------------------------*
* | startToken1 | | startToken1 |
* *--------------------------* *--------------------------*
* | | | |
* | | | |
* | receivedChunk backward | | |
* | Events | | |
* | | | |
* | | | |
* | | | |
* *--------------------------* *--------------------------* | |
* | startToken0 | | endToken1 | => | Merged chunk |
* *--------------------------* *--------------------------* | Events |
* | | | |
* | | | |
* | Current Chunk | | |
* | Events | | |
* | | | |
* | | | |
* | | | |
* *--------------------------* *--------------------------*
* | endToken0 | | endToken0 |
* *--------------------------* *--------------------------*
*
*
* ========================================================================================================
* | Forward case |
* ========================================================================================================
*
* *--------------------------* *--------------------------*
* | startToken0 | | startToken0 |
* *--------------------------* *--------------------------*
* | | | |
* | | | |
* | Current Chunk | | |
* | Events | | |
* | | | |
* | | | |
* | | | |
* *--------------------------* *--------------------------* | |
* | endToken0 | | startToken1 | => | Merged chunk |
* *--------------------------* *--------------------------* | Events |
* | | | |
* | | | |
* | receivedChunk forward | | |
* | Events | | |
* | | | |
* | | | |
* | | | |
* *--------------------------* *--------------------------*
* | endToken1 | | endToken1 |
* *--------------------------* *--------------------------*
*
* ========================================================================================================
* </pre>
*/
enum class Result {
SHOULD_FETCH_MORE,
REACHED_END,
@ -136,21 +67,21 @@ internal class TokenChunkEventPersistor @Inject constructor(@SessionDatabase pri
prevToken = receivedChunk.end
}
val existingChunk = ChunkEntity.find(realm, roomId, prevToken = prevToken, nextToken = nextToken)
if (existingChunk != null) {
Timber.v("This chunk is already in the db, returns")
return@awaitTransaction
}
val prevChunk = ChunkEntity.find(realm, roomId, nextToken = prevToken)
val nextChunk = ChunkEntity.find(realm, roomId, prevToken = nextToken)
// The current chunk is the one we will keep all along the merge processChanges.
// We try to look for a chunk next to the token,
// otherwise we create a whole new one which is unlinked (not live)
val currentChunk = if (direction == PaginationDirection.FORWARDS) {
prevChunk?.apply { this.nextToken = nextToken }
} else {
nextChunk?.apply { this.prevToken = prevToken }
val currentChunk = ChunkEntity.create(realm, prevToken = prevToken, nextToken = nextToken).apply {
this.nextChunk = nextChunk
this.prevChunk = prevChunk
}
?: ChunkEntity.create(realm, prevToken, nextToken)
if (receivedChunk.events.isNullOrEmpty() && !receivedChunk.hasMore()) {
handleReachEnd(realm, roomId, direction, currentChunk)
nextChunk?.prevChunk = currentChunk
prevChunk?.nextChunk = currentChunk
if (receivedChunk.events.isEmpty() && !receivedChunk.hasMore()) {
handleReachEnd(roomId, direction, currentChunk)
} else {
handlePagination(realm, roomId, direction, receivedChunk, currentChunk)
}
@ -166,17 +97,10 @@ internal class TokenChunkEventPersistor @Inject constructor(@SessionDatabase pri
}
}
private fun handleReachEnd(realm: Realm, roomId: String, direction: PaginationDirection, currentChunk: ChunkEntity) {
private fun handleReachEnd(roomId: String, direction: PaginationDirection, currentChunk: ChunkEntity) {
Timber.v("Reach end of $roomId")
if (direction == PaginationDirection.FORWARDS) {
val currentLastForwardChunk = ChunkEntity.findLastForwardChunkOfRoom(realm, roomId)
if (currentChunk != currentLastForwardChunk) {
currentChunk.isLastForward = true
currentLastForwardChunk?.deleteOnCascade(deleteStateEvents = false, canDeleteRoot = false)
RoomSummaryEntity.where(realm, roomId).findFirst()?.apply {
latestPreviewableEvent = RoomSummaryEventsHelper.getLatestPreviewableEvent(realm, roomId)
}
}
Timber.v("We should keep the lastForward chunk unique, the one from sync")
} else {
currentChunk.isLastBackward = true
}
@ -204,44 +128,50 @@ internal class TokenChunkEventPersistor @Inject constructor(@SessionDatabase pri
roomMemberContentsByUser[stateEvent.stateKey] = stateEvent.content.toModel<RoomMemberContent>()
}
}
val eventIds = ArrayList<String>(eventList.size)
eventList.forEach { event ->
if (event.eventId == null || event.senderId == null) {
return@forEach
}
val ageLocalTs = event.unsignedData?.age?.let { now - it }
eventIds.add(event.eventId)
val eventEntity = event.toEntity(roomId, SendState.SYNCED, ageLocalTs).copyToRealmOrIgnore(realm, EventInsertType.PAGINATION)
if (event.type == EventType.STATE_ROOM_MEMBER && event.stateKey != null) {
val contentToUse = if (direction == PaginationDirection.BACKWARDS) {
event.prevContent
} else {
event.content
run processTimelineEvents@{
eventList.forEach { event ->
if (event.eventId == null || event.senderId == null) {
return@forEach
}
roomMemberContentsByUser[event.stateKey] = contentToUse.toModel<RoomMemberContent>()
// We check for the timeline event with this id
val eventId = event.eventId
val existingTimelineEvent = TimelineEventEntity.where(realm, roomId, eventId).findFirst()
// If it exists, we want to stop here, just link the prevChunk
val existingChunk = existingTimelineEvent?.chunk?.firstOrNull()
if (existingChunk != null) {
when (direction) {
PaginationDirection.BACKWARDS -> {
if (currentChunk.nextChunk == existingChunk) {
Timber.w("Avoid double link, shouldn't happen in an ideal world")
} else {
currentChunk.prevChunk = existingChunk
existingChunk.nextChunk = currentChunk
}
}
PaginationDirection.FORWARDS -> {
if (currentChunk.prevChunk == existingChunk) {
Timber.w("Avoid double link, shouldn't happen in an ideal world")
} else {
currentChunk.nextChunk = existingChunk
existingChunk.prevChunk = currentChunk
}
}
}
// Stop processing here
return@processTimelineEvents
}
val ageLocalTs = event.unsignedData?.age?.let { now - it }
val eventEntity = event.toEntity(roomId, SendState.SYNCED, ageLocalTs).copyToRealmOrIgnore(realm, EventInsertType.PAGINATION)
if (event.type == EventType.STATE_ROOM_MEMBER && event.stateKey != null) {
val contentToUse = if (direction == PaginationDirection.BACKWARDS) {
event.prevContent
} else {
event.content
}
roomMemberContentsByUser[event.stateKey] = contentToUse.toModel<RoomMemberContent>()
}
currentChunk.addTimelineEvent(roomId, eventEntity, direction, roomMemberContentsByUser)
}
currentChunk.addTimelineEvent(roomId, eventEntity, direction, roomMemberContentsByUser)
}
// Find all the chunks which contain at least one event from the list of eventIds
val chunks = ChunkEntity.findAllIncludingEvents(realm, eventIds)
Timber.d("Found ${chunks.size} chunks containing at least one of the eventIds")
val chunksToDelete = ArrayList<ChunkEntity>()
chunks.forEach {
if (it != currentChunk) {
Timber.d("Merge $it")
currentChunk.merge(roomId, it, direction)
chunksToDelete.add(it)
}
}
chunksToDelete.forEach {
it.deleteOnCascade(deleteStateEvents = false, canDeleteRoot = false)
}
val roomSummaryEntity = RoomSummaryEntity.getOrCreate(realm, roomId)
val shouldUpdateSummary = roomSummaryEntity.latestPreviewableEvent == null ||
(chunksToDelete.isNotEmpty() && currentChunk.isLastForward && direction == PaginationDirection.FORWARDS)
if (shouldUpdateSummary) {
roomSummaryEntity.latestPreviewableEvent = RoomSummaryEventsHelper.getLatestPreviewableEvent(realm, roomId)
}
if (currentChunk.isValid) {
RoomEntity.where(realm, roomId).findFirst()?.addIfNecessary(currentChunk)

16
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/UIEchoManager.kt
View File

@ -24,14 +24,10 @@ import org.matrix.android.sdk.api.session.room.model.ReactionAggregatedSummary
import org.matrix.android.sdk.api.session.room.model.relation.ReactionContent
import org.matrix.android.sdk.api.session.room.send.SendState
import org.matrix.android.sdk.api.session.room.timeline.TimelineEvent
import org.matrix.android.sdk.api.session.room.timeline.TimelineSettings
import timber.log.Timber
import java.util.Collections
internal class UIEchoManager(
private val settings: TimelineSettings,
private val listener: Listener
) {
internal class UIEchoManager(private val listener: Listener) {
interface Listener {
fun rebuildEvent(eventId: String, builder: (TimelineEvent) -> TimelineEvent?): Boolean
@ -70,13 +66,12 @@ internal class UIEchoManager(
return existingState != sendState
}
fun onLocalEchoCreated(timelineEvent: TimelineEvent) {
// Manage some ui echos (do it before filter because actual event could be filtered out)
fun onLocalEchoCreated(timelineEvent: TimelineEvent): Boolean {
when (timelineEvent.root.getClearType()) {
EventType.REDACTION -> {
}
EventType.REACTION -> {
val content = timelineEvent.root.content?.toModel<ReactionContent>()
val content: ReactionContent? = timelineEvent.root.content?.toModel<ReactionContent>()
if (RelationType.ANNOTATION == content?.relatesTo?.type) {
val reaction = content.relatesTo.key
val relatedEventID = content.relatesTo.eventId
@ -96,11 +91,12 @@ internal class UIEchoManager(
}
Timber.v("On local echo created: ${timelineEvent.eventId}")
inMemorySendingEvents.add(0, timelineEvent)
return true
}
fun decorateEventWithReactionUiEcho(timelineEvent: TimelineEvent): TimelineEvent? {
fun decorateEventWithReactionUiEcho(timelineEvent: TimelineEvent): TimelineEvent {
val relatedEventID = timelineEvent.eventId
val contents = inMemoryReactions[relatedEventID] ?: return null
val contents = inMemoryReactions[relatedEventID] ?: return timelineEvent
var existingAnnotationSummary = timelineEvent.annotations ?: EventAnnotationsSummary(
relatedEventID

12
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/sync/handler/room/RoomSyncHandler.kt
View File

@ -345,15 +345,17 @@ internal class RoomSyncHandler @Inject constructor(private val readReceiptHandle
syncLocalTimestampMillis: Long,
aggregator: SyncResponsePostTreatmentAggregator): ChunkEntity {
val lastChunk = ChunkEntity.findLastForwardChunkOfRoom(realm, roomEntity.roomId)
if (isLimited && lastChunk != null) {
lastChunk.deleteOnCascade(deleteStateEvents = true, canDeleteRoot = true)
}
val chunkEntity = if (!isLimited && lastChunk != null) {
lastChunk
} else {
realm.createObject<ChunkEntity>().apply { this.prevToken = prevToken }
realm.createObject<ChunkEntity>().apply {
this.prevToken = prevToken
this.isLastForward = true
}
}
// Only one chunk has isLastForward set to true
lastChunk?.isLastForward = false
chunkEntity.isLastForward = true
val eventIds = ArrayList<String>(eventList.size)
val roomMemberContentsByUser = HashMap<String, RoomMemberContent?>()

10
vector/src/main/java/im/vector/app/core/epoxy/VectorEpoxyModel.kt
View File

@ -17,9 +17,6 @@
package im.vector.app.core.epoxy
import androidx.annotation.CallSuper
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.LifecycleOwner
import androidx.lifecycle.LifecycleRegistry
import com.airbnb.epoxy.EpoxyModelWithHolder
import com.airbnb.epoxy.VisibilityState
import kotlinx.coroutines.CoroutineScope
@ -30,24 +27,19 @@ import kotlinx.coroutines.cancelChildren
/**
* EpoxyModelWithHolder which can listen to visibility state change
*/
abstract class VectorEpoxyModel<H : VectorEpoxyHolder> : EpoxyModelWithHolder<H>(), LifecycleOwner {
abstract class VectorEpoxyModel<H : VectorEpoxyHolder> : EpoxyModelWithHolder<H>() {
protected val coroutineScope = CoroutineScope(SupervisorJob() + Dispatchers.Main)
private val lifecycleRegistry: LifecycleRegistry = LifecycleRegistry(this)
override fun getLifecycle() = lifecycleRegistry
private var onModelVisibilityStateChangedListener: OnVisibilityStateChangedListener? = null
@CallSuper
override fun bind(holder: H) {
super.bind(holder)
lifecycleRegistry.currentState = Lifecycle.State.STARTED
}
@CallSuper
override fun unbind(holder: H) {
lifecycleRegistry.currentState = Lifecycle.State.DESTROYED
coroutineScope.coroutineContext.cancelChildren()
super.unbind(holder)
}

37
vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailFragment.kt
View File

@ -184,11 +184,13 @@ import im.vector.app.features.widgets.WidgetActivity
import im.vector.app.features.widgets.WidgetArgs
import im.vector.app.features.widgets.WidgetKind
import im.vector.app.features.widgets.permissions.RoomWidgetPermissionBottomSheet
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.flow.debounce
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.onEach
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import kotlinx.parcelize.Parcelize
import nl.dionsegijn.konfetti.models.Shape
import nl.dionsegijn.konfetti.models.Size
@ -1307,27 +1309,28 @@ class RoomDetailFragment @Inject constructor(
private fun updateJumpToReadMarkerViewVisibility() {
viewLifecycleOwner.lifecycleScope.launchWhenResumed {
withState(roomDetailViewModel) {
val showJumpToUnreadBanner = when (it.unreadState) {
UnreadState.Unknown,
UnreadState.HasNoUnread -> false
is UnreadState.ReadMarkerNotLoaded -> true
is UnreadState.HasUnread -> {
if (it.canShowJumpToReadMarker) {
val lastVisibleItem = layoutManager.findLastCompletelyVisibleItemPosition()
val positionOfReadMarker = timelineEventController.getPositionOfReadMarker()
if (positionOfReadMarker == null) {
false
} else {
positionOfReadMarker > lastVisibleItem
}
} else {
false
val state = roomDetailViewModel.awaitState()
val showJumpToUnreadBanner = when (state.unreadState) {
UnreadState.Unknown,
UnreadState.HasNoUnread -> false
is UnreadState.ReadMarkerNotLoaded -> true
is UnreadState.HasUnread -> {
if (state.canShowJumpToReadMarker) {
val lastVisibleItem = layoutManager.findLastCompletelyVisibleItemPosition()
val positionOfReadMarker = withContext(Dispatchers.Default) {
timelineEventController.getPositionOfReadMarker()
}
if (positionOfReadMarker == null) {
false
} else {
positionOfReadMarker > lastVisibleItem
}
} else {
false
}
}
views.jumpToReadMarkerView.isVisible = showJumpToUnreadBanner
}
views.jumpToReadMarkerView.isVisible = showJumpToUnreadBanner
}
}

46
vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailViewModel.kt
View File

@ -160,6 +160,7 @@ class RoomDetailViewModel @AssistedInject constructor(
observeMyRoomMember()
observeActiveRoomWidgets()
observePowerLevel()
setupPreviewUrlObservers()
room.getRoomSummaryLive()
viewModelScope.launch(Dispatchers.IO) {
tryOrNull { room.markAsRead(ReadService.MarkAsReadParams.READ_RECEIPT) }
@ -263,6 +264,30 @@ class RoomDetailViewModel @AssistedInject constructor(
}
}
private fun setupPreviewUrlObservers() {
if (!vectorPreferences.showUrlPreviews()) {
return
}
combine(
timelineEvents,
room.flow().liveRoomSummary()
.unwrap()
.map { it.isEncrypted }
.distinctUntilChanged()
) { snapshot, isRoomEncrypted ->
if (isRoomEncrypted) {
return@combine
}
withContext(Dispatchers.Default) {
Timber.v("On new timeline events for urlpreview on ${Thread.currentThread()}")
snapshot.forEach {
previewUrlRetriever.getPreviewUrl(it)
}
}
}
.launchIn(viewModelScope)
}
fun getOtherUserIds() = room.roomSummary()?.otherMemberIds
override fun handle(action: RoomDetailAction) {
@ -720,7 +745,6 @@ class RoomDetailViewModel @AssistedInject constructor(
}
private fun handleNavigateToEvent(action: RoomDetailAction.NavigateToEvent) {
stopTrackingUnreadMessages()
val targetEventId: String = action.eventId
val indexOfEvent = timeline.getIndexOfEvent(targetEventId)
if (indexOfEvent == null) {
@ -796,12 +820,12 @@ class RoomDetailViewModel @AssistedInject constructor(
.chunk(1000)
.filter { it.isNotEmpty() }
.onEach { actions ->
val bufferedMostRecentDisplayedEvent = actions.maxByOrNull { it.event.displayIndex }?.event ?: return@onEach
val bufferedMostRecentDisplayedEvent = actions.minByOrNull { it.event.indexOfEvent() }?.event ?: return@onEach
val globalMostRecentDisplayedEvent = mostRecentDisplayedEvent
if (trackUnreadMessages.get()) {
if (globalMostRecentDisplayedEvent == null) {
mostRecentDisplayedEvent = bufferedMostRecentDisplayedEvent
} else if (bufferedMostRecentDisplayedEvent.displayIndex > globalMostRecentDisplayedEvent.displayIndex) {
} else if (bufferedMostRecentDisplayedEvent.indexOfEvent() < globalMostRecentDisplayedEvent.indexOfEvent()) {
mostRecentDisplayedEvent = bufferedMostRecentDisplayedEvent
}
}
@ -815,6 +839,12 @@ class RoomDetailViewModel @AssistedInject constructor(
.launchIn(viewModelScope)
}
/**
* Returns the index of event in the timeline.
* Returns Int.MAX_VALUE if not found
*/
private fun TimelineEvent.indexOfEvent(): Int = timeline.getIndexOfEvent(eventId) ?: Int.MAX_VALUE
private fun handleMarkAllAsRead() {
setState { copy(unreadState = UnreadState.HasNoUnread) }
viewModelScope.launch {
@ -1037,16 +1067,6 @@ class RoomDetailViewModel @AssistedInject constructor(
// tryEmit doesn't work with SharedFlow without cache
timelineEvents.emit(snapshot)
}
// PreviewUrl
if (vectorPreferences.showUrlPreviews()) {
withState { state ->
snapshot
.takeIf { state.asyncRoomSummary.invoke()?.isEncrypted == false }
?.forEach {
previewUrlRetriever.getPreviewUrl(it)
}
}
}
}
override fun onTimelineFailure(throwable: Throwable) {

58
vector/src/main/java/im/vector/app/features/home/room/detail/timeline/TimelineEventController.kt
View File

@ -70,7 +70,9 @@ import org.matrix.android.sdk.api.session.room.model.message.MessageImageInfoCon
import org.matrix.android.sdk.api.session.room.model.message.MessageVideoContent
import org.matrix.android.sdk.api.session.room.timeline.Timeline
import org.matrix.android.sdk.api.session.room.timeline.TimelineEvent
import timber.log.Timber
import javax.inject.Inject
import kotlin.system.measureTimeMillis
class TimelineEventController @Inject constructor(private val dateFormatter: VectorDateFormatter,
private val vectorPreferences: VectorPreferences,
@ -244,22 +246,11 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
interceptorHelper.intercept(models, partialState.unreadState, timeline, callback)
}
fun update(viewState: RoomDetailViewState) = backgroundHandler.post {
synchronized(modelCache) {
val newPartialState = PartialState(viewState)
if (partialState.highlightedEventId != newPartialState.highlightedEventId) {
// Clear cache to force a refresh
for (i in 0 until modelCache.size) {
if (modelCache[i]?.eventId == viewState.highlightedEventId ||
modelCache[i]?.eventId == partialState.highlightedEventId) {
modelCache[i] = null
}
}
}
if (newPartialState != partialState) {
partialState = newPartialState
requestModelBuild()
}
fun update(viewState: RoomDetailViewState) {
val newPartialState = PartialState(viewState)
if (newPartialState != partialState) {
partialState = newPartialState
requestModelBuild()
}
}
@ -310,14 +301,6 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
submitSnapshot(snapshot)
}
override fun onTimelineFailure(throwable: Throwable) {
// no-op, already handled
}
override fun onNewTimelineEvents(eventIds: List<String>) {
// no-op, already handled
}
private fun submitSnapshot(newSnapshot: List<TimelineEvent>) {
backgroundHandler.post {
inSubmitList = true
@ -325,7 +308,7 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
currentSnapshot = newSnapshot
val diffResult = DiffUtil.calculateDiff(diffCallback)
diffResult.dispatchUpdatesTo(listUpdateCallback)
requestModelBuild()
requestDelayedModelBuild(0)
inSubmitList = false
}
}
@ -335,7 +318,10 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
}
private fun getModels(): List<EpoxyModel<*>> {
buildCacheItemsIfNeeded()
val timeForBuilding = measureTimeMillis {
buildCacheItemsIfNeeded()
}
Timber.v("Time for building cache items: $timeForBuilding ms")
return modelCache
.map { cacheItemData ->
val eventModel = if (cacheItemData == null || mergedHeaderItemFactory.isCollapsed(cacheItemData.localId)) {
@ -360,7 +346,11 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
if (modelCache.isEmpty()) {
return
}
preprocessReverseEvents()
val preprocessEventsTiming = measureTimeMillis {
preprocessReverseEvents()
}
Timber.v("Preprocess events took $preprocessEventsTiming ms")
var numberOfEventsToBuild = 0
val lastSentEventWithoutReadReceipts = searchLastSentEventWithoutReadReceipts(receiptsByEvent)
(0 until modelCache.size).forEach { position ->
val event = currentSnapshot[position]
@ -370,7 +360,7 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
timelineEventVisibilityHelper.shouldShowEvent(it, partialState.highlightedEventId)
}
// Should be build if not cached or if model should be refreshed
if (modelCache[position] == null || modelCache[position]?.isCacheable == false) {
if (modelCache[position] == null || modelCache[position]?.isCacheable(partialState) == false) {
val timelineEventsGroup = timelineEventsGroups.getOrNull(event)
val params = TimelineItemFactoryParams(
event = event,
@ -383,11 +373,13 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
eventsGroup = timelineEventsGroup
)
modelCache[position] = buildCacheItem(params)
numberOfEventsToBuild++
}
val itemCachedData = modelCache[position] ?: return@forEach
// Then update with additional models if needed
modelCache[position] = itemCachedData.enrichWithModels(event, nextEvent, position, receiptsByEvent)
}
Timber.v("Number of events to rebuild: $numberOfEventsToBuild on ${modelCache.size} total events")
}
private fun buildCacheItem(params: TimelineItemFactoryParams): CacheItemData {
@ -400,7 +392,7 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
it.id(event.localId)
it.setOnVisibilityStateChanged(TimelineEventVisibilityStateChangedListener(callback, event))
}
val isCacheable = eventModel is ItemWithEvents && eventModel.isCacheable()
val isCacheable = (eventModel !is ItemWithEvents || eventModel.isCacheable()) && !params.isHighlighted
return CacheItemData(
localId = event.localId,
eventId = event.root.eventId,
@ -552,6 +544,10 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
val eventModel: EpoxyModel<*>? = null,
val mergedHeaderModel: BasedMergedItem<*>? = null,
val formattedDayModel: DaySeparatorItem? = null,
val isCacheable: Boolean = true
)
private val isCacheable: Boolean = true
) {
fun isCacheable(partialState: PartialState): Boolean {
return isCacheable && partialState.highlightedEventId != eventId
}
}
}

18
vector/src/main/java/im/vector/app/features/home/room/detail/timeline/merged/MergedTimelines.kt
View File

@ -133,28 +133,10 @@ class MergedTimelines(
secondaryTimeline.paginate(direction, count)
}
override fun pendingEventCount(): Int {
return mainTimeline.pendingEventCount() + secondaryTimeline.pendingEventCount()
}
override fun failedToDeliverEventCount(): Int {
return mainTimeline.pendingEventCount() + secondaryTimeline.pendingEventCount()
}
override fun getTimelineEventAtIndex(index: Int): TimelineEvent? {
return mergedEvents.getOrNull(index)
}
override fun getIndexOfEvent(eventId: String?): Int? {
return positionsMapping[eventId]
}
override fun getTimelineEventWithId(eventId: String?): TimelineEvent? {
return positionsMapping[eventId]?.let {
getTimelineEventAtIndex(it)
}
}
private fun processTimelineUpdates(isInit: KMutableProperty0<Boolean>, eventsRef: MutableList<TimelineEvent>, newData: List<TimelineEvent>) {
coroutineScope.launch(Dispatchers.Default) {
processingSemaphore.withPermit {