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Merge pull request #1315 from vector-im/feature/forward_pagination

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Feature/forward pagination
This commit is contained in:
Benoit Marty 2020-05-20 18:30:09 +02:00 committed by GitHub
commit 43497e0da9
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29 changed files with 1018 additions and 181 deletions
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1
CHANGES.md
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@ -10,6 +10,7 @@ Improvements 🙌:
- Add a setting to hide redacted events (#951)
Bugfix 🐛:
- After jump to unread, newer messages are never loaded (#1008)
- Fix issues with FontScale switch (#69, #645)
Translations 🗣:

37
matrix-sdk-android/src/androidTest/java/im/vector/matrix/android/common/CommonTestHelper.kt
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@ -28,10 +28,10 @@ import im.vector.matrix.android.api.auth.data.LoginFlowResult
import im.vector.matrix.android.api.auth.registration.RegistrationResult
import im.vector.matrix.android.api.session.Session
import im.vector.matrix.android.api.session.events.model.EventType
import im.vector.matrix.android.api.session.events.model.LocalEcho
import im.vector.matrix.android.api.session.events.model.toModel
import im.vector.matrix.android.api.session.room.Room
import im.vector.matrix.android.api.session.room.model.message.MessageContent
import im.vector.matrix.android.api.session.room.send.SendState
import im.vector.matrix.android.api.session.room.timeline.Timeline
import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
import im.vector.matrix.android.api.session.room.timeline.TimelineSettings
@ -117,7 +117,7 @@ class CommonTestHelper(context: Context) {
*/
fun sendTextMessage(room: Room, message: String, nbOfMessages: Int): List<TimelineEvent> {
val sentEvents = ArrayList<TimelineEvent>(nbOfMessages)
val latch = CountDownLatch(nbOfMessages)
val latch = CountDownLatch(1)
val timelineListener = object : Timeline.Listener {
override fun onTimelineFailure(throwable: Throwable) {
}
@ -128,7 +128,7 @@ class CommonTestHelper(context: Context) {
override fun onTimelineUpdated(snapshot: List<TimelineEvent>) {
val newMessages = snapshot
.filter { LocalEcho.isLocalEchoId(it.eventId).not() }
.filter { it.root.sendState == SendState.SYNCED }
.filter { it.root.getClearType() == EventType.MESSAGE }
.filter { it.root.getClearContent().toModel<MessageContent>()?.body?.startsWith(message) == true }
@ -144,7 +144,8 @@ class CommonTestHelper(context: Context) {
for (i in 0 until nbOfMessages) {
room.sendTextMessage(message + " #" + (i + 1))
}
await(latch)
// Wait 3 second more per message
await(latch, timeout = TestConstants.timeOutMillis + 3_000L * nbOfMessages)
timeline.removeListener(timelineListener)
timeline.dispose()
@ -292,6 +293,24 @@ class CommonTestHelper(context: Context) {
return requestFailure!!
}
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)) {
latch.countDown()
}
}
}
}
/**
* Await for a latch and ensure the result is true
*
@ -350,3 +369,13 @@ class CommonTestHelper(context: Context) {
session.close()
}
}
fun List<TimelineEvent>.checkSendOrder(baseTextMessage: String, numberOfMessages: Int, startIndex: Int): Boolean {
return drop(startIndex)
.take(numberOfMessages)
.foldRightIndexed(true) { index, timelineEvent, acc ->
val body = timelineEvent.root.content.toModel<MessageContent>()?.body
val currentMessageSuffix = numberOfMessages - index
acc && (body == null || body.startsWith(baseTextMessage) && body.endsWith("#$currentMessageSuffix"))
}
}

14
matrix-sdk-android/src/androidTest/java/im/vector/matrix/android/common/CryptoTestHelper.kt
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@ -53,17 +53,19 @@ class CryptoTestHelper(private val mTestHelper: CommonTestHelper) {
/**
* @return alice session
*/
fun doE2ETestWithAliceInARoom(): CryptoTestData {
fun doE2ETestWithAliceInARoom(encryptedRoom: Boolean = true): CryptoTestData {
val aliceSession = mTestHelper.createAccount(TestConstants.USER_ALICE, defaultSessionParams)
val roomId = mTestHelper.doSync<String> {
aliceSession.createRoom(CreateRoomParams(name = "MyRoom"), it)
}
val room = aliceSession.getRoom(roomId)!!
if (encryptedRoom) {
val room = aliceSession.getRoom(roomId)!!
mTestHelper.doSync<Unit> {
room.enableEncryption(callback = it)
mTestHelper.doSync<Unit> {
room.enableEncryption(callback = it)
}
}
return CryptoTestData(aliceSession, roomId)
@ -72,8 +74,8 @@ class CryptoTestHelper(private val mTestHelper: CommonTestHelper) {
/**
* @return alice and bob sessions
*/
fun doE2ETestWithAliceAndBobInARoom(): CryptoTestData {
val cryptoTestData = doE2ETestWithAliceInARoom()
fun doE2ETestWithAliceAndBobInARoom(encryptedRoom: Boolean = true): CryptoTestData {
val cryptoTestData = doE2ETestWithAliceInARoom(encryptedRoom)
val aliceSession = cryptoTestData.firstSession
val aliceRoomId = cryptoTestData.roomId

183
matrix-sdk-android/src/androidTest/java/im/vector/matrix/android/session/room/timeline/TimelineBackToPreviousLastForwardTest.kt Normal file
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@ -0,0 +1,183 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package im.vector.matrix.android.session.room.timeline
import im.vector.matrix.android.InstrumentedTest
import im.vector.matrix.android.api.extensions.orFalse
import im.vector.matrix.android.api.session.events.model.EventType
import im.vector.matrix.android.api.session.events.model.toModel
import im.vector.matrix.android.api.session.room.model.message.MessageContent
import im.vector.matrix.android.api.session.room.timeline.Timeline
import im.vector.matrix.android.api.session.room.timeline.TimelineSettings
import im.vector.matrix.android.common.CommonTestHelper
import im.vector.matrix.android.common.CryptoTestHelper
import im.vector.matrix.android.common.checkSendOrder
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 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)
}
}

190
matrix-sdk-android/src/androidTest/java/im/vector/matrix/android/session/room/timeline/TimelineForwardPaginationTest.kt Normal file
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@ -0,0 +1,190 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package im.vector.matrix.android.session.room.timeline
import im.vector.matrix.android.InstrumentedTest
import im.vector.matrix.android.api.extensions.orFalse
import im.vector.matrix.android.api.session.events.model.EventType
import im.vector.matrix.android.api.session.events.model.toModel
import im.vector.matrix.android.api.session.room.model.message.MessageContent
import im.vector.matrix.android.api.session.room.timeline.Timeline
import im.vector.matrix.android.api.session.room.timeline.TimelineSettings
import im.vector.matrix.android.common.CommonTestHelper
import im.vector.matrix.android.common.CryptoTestHelper
import im.vector.matrix.android.common.checkSendOrder
import org.amshove.kluent.shouldBeFalse
import org.amshove.kluent.shouldBeTrue
import org.junit.FixMethodOrder
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
import org.junit.runners.MethodSorters
import timber.log.Timber
import java.util.concurrent.CountDownLatch
@RunWith(JUnit4::class)
@FixMethodOrder(MethodSorters.JVM)
class TimelineForwardPaginationTest : InstrumentedTest {
private val commonTestHelper = CommonTestHelper(context())
private val cryptoTestHelper = CryptoTestHelper(commonTestHelper)
/**
* This test ensure that if we click to permalink, we will be able to go back to the live
*/
@Test
fun forwardPaginationTest() {
val numberOfMessagesToSend = 90
val cryptoTestData = cryptoTestHelper.doE2ETestWithAliceInARoom(false)
val aliceSession = cryptoTestData.firstSession
val aliceRoomId = cryptoTestData.roomId
aliceSession.cryptoService().setWarnOnUnknownDevices(false)
val roomFromAlicePOV = aliceSession.getRoom(aliceRoomId)!!
// Alice sends X messages
val message = "Message from Alice"
val sentMessages = commonTestHelper.sendTextMessage(
roomFromAlicePOV,
message,
numberOfMessagesToSend)
// Alice clear the cache
commonTestHelper.doSync<Unit> {
aliceSession.clearCache(it)
}
// And restarts the sync
aliceSession.startSync(true)
val aliceTimeline = roomFromAlicePOV.createTimeline(null, TimelineSettings(30))
aliceTimeline.start()
// Alice sees the 10 last message of the room, and can only navigate BACKWARD
run {
val lock = CountDownLatch(1)
val eventsListener = commonTestHelper.createEventListener(lock) { snapshot ->
Timber.e("Alice timeline updated: with ${snapshot.size} events:")
snapshot.forEach {
Timber.w(" event ${it.root.content}")
}
// Ok, we have the 10 last messages of the initial sync
snapshot.size == 10
&& snapshot.all { it.root.content.toModel<MessageContent>()?.body?.startsWith(message).orFalse() }
}
// Open the timeline at last sent message
aliceTimeline.addListener(eventsListener)
commonTestHelper.await(lock)
aliceTimeline.removeAllListeners()
aliceTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeTrue()
aliceTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeFalse()
}
// Alice navigates to the first message of the room, which is not in its database. A GET /context is performed
// Then she can paginate BACKWARD and 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}")
}
// The event is not in db, so it is fetch alone
snapshot.size == 1
&& snapshot.all { it.root.content.toModel<MessageContent>()?.body?.startsWith("Message from Alice").orFalse() }
}
aliceTimeline.addListener(aliceEventsListener)
// Restart the timeline to the first sent event
aliceTimeline.restartWithEventId(sentMessages.last().eventId)
commonTestHelper.await(lock)
aliceTimeline.removeAllListeners()
aliceTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeTrue()
aliceTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeTrue()
}
// 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 == 6 + 1 + 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()
}
// 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()
// The timeline is fully loaded
aliceTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeFalse()
aliceTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeFalse()
}
aliceTimeline.dispose()
cryptoTestData.cleanUp(commonTestHelper)
}
}

241
matrix-sdk-android/src/androidTest/java/im/vector/matrix/android/session/room/timeline/TimelinePreviousLastForwardTest.kt Normal file
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@ -0,0 +1,241 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package im.vector.matrix.android.session.room.timeline
import im.vector.matrix.android.InstrumentedTest
import im.vector.matrix.android.api.extensions.orFalse
import im.vector.matrix.android.api.session.events.model.EventType
import im.vector.matrix.android.api.session.events.model.toModel
import im.vector.matrix.android.api.session.room.model.message.MessageContent
import im.vector.matrix.android.api.session.room.timeline.Timeline
import im.vector.matrix.android.api.session.room.timeline.TimelineSettings
import im.vector.matrix.android.common.CommonTestHelper
import im.vector.matrix.android.common.CryptoTestHelper
import im.vector.matrix.android.common.checkSendOrder
import org.amshove.kluent.shouldBeFalse
import org.amshove.kluent.shouldBeTrue
import org.junit.FixMethodOrder
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
import org.junit.runners.MethodSorters
import timber.log.Timber
import java.util.concurrent.CountDownLatch
@RunWith(JUnit4::class)
@FixMethodOrder(MethodSorters.JVM)
class TimelinePreviousLastForwardTest : 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, we will be able to go back to the live
*/
@Test
fun previousLastForwardTest() {
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()
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 8 first messages of the initial sync (room creation and bob invite and join events)
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 firstMessage = "First messages from Alice"
// Alice sends 30 messages
val firstMessageFromAliceId = commonTestHelper.sendTextMessage(
roomFromAlicePOV,
firstMessage,
30)
.last()
.eventId
// 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. This will be our future previous lastForward chunk
snapshot.size == 10
&& snapshot.all { it.root.content.toModel<MessageContent>()?.body?.startsWith(firstMessage).orFalse() }
}
bobTimeline.addListener(eventsListener)
commonTestHelper.await(lock)
bobTimeline.removeAllListeners()
bobTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeTrue()
bobTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeFalse()
}
// Bob stop to sync
bobSession.stopSync()
val secondMessage = "Second messages from Alice"
// Alice sends again 30 messages
commonTestHelper.sendTextMessage(
roomFromAlicePOV,
secondMessage,
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. This will be our future previous lastForward chunk
snapshot.size == 10
&& snapshot.all { it.root.content.toModel<MessageContent>()?.body?.startsWith(secondMessage).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 message sent from Alice
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 not in db, so it is fetch
snapshot.size == 1
}
bobTimeline.addListener(eventsListener)
// Restart the timeline to the first sent event, and paginate in both direction
bobTimeline.restartWithEventId(firstMessageFromAliceId)
bobTimeline.paginate(Timeline.Direction.BACKWARDS, 50)
bobTimeline.paginate(Timeline.Direction.FORWARDS, 50)
commonTestHelper.await(lock)
bobTimeline.removeAllListeners()
bobTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeTrue()
bobTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeTrue()
}
// Paginate in both direction
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}")
}
snapshot.size == 8 + 1 + 35
}
bobTimeline.addListener(eventsListener)
// Paginate in both direction
bobTimeline.paginate(Timeline.Direction.BACKWARDS, 50)
// Ensure the chunk in the middle is included in the next pagination
bobTimeline.paginate(Timeline.Direction.FORWARDS, 35)
commonTestHelper.await(lock)
bobTimeline.removeAllListeners()
bobTimeline.hasMoreToLoad(Timeline.Direction.FORWARDS).shouldBeTrue()
bobTimeline.hasMoreToLoad(Timeline.Direction.BACKWARDS).shouldBeFalse()
}
// Bob scroll to the future, till the live
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 60 message from Alice
&& snapshot.size == 8 + 60
&& snapshot.checkSendOrder(secondMessage, 30, 0)
&& snapshot.checkSendOrder(firstMessage, 30, 30)
}
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)
}
}

2
matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/timeline/Timeline.kt
View File

@ -58,7 +58,7 @@ interface Timeline {
/**
* Check if the timeline can be enriched by paginating.
* @param the direction to check in
* @param direction the direction to check in
* @return true if timeline can be enriched
*/
fun hasMoreToLoad(direction: Direction): Boolean

7
matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/timeline/TimelineEvent.kt
View File

@ -16,6 +16,7 @@
package im.vector.matrix.android.api.session.room.timeline
import im.vector.matrix.android.BuildConfig
import im.vector.matrix.android.api.session.events.model.Event
import im.vector.matrix.android.api.session.events.model.EventType
import im.vector.matrix.android.api.session.events.model.RelationType
@ -45,6 +46,12 @@ data class TimelineEvent(
val readReceipts: List<ReadReceipt> = emptyList()
) {
init {
if (BuildConfig.DEBUG) {
assert(eventId == root.eventId)
}
}
val metadata = HashMap<String, Any>()
/**

3
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/store/db/RealmCryptoStoreMigration.kt
View File

@ -200,6 +200,7 @@ internal class RealmCryptoStoreMigration @Inject constructor(private val crossSi
}
private fun migrateTo3(realm: DynamicRealm) {
Timber.d("Step 2 -> 3")
Timber.d("Updating CryptoMetadataEntity table")
realm.schema.get("CryptoMetadataEntity")
?.addField(CryptoMetadataEntityFields.KEY_BACKUP_RECOVERY_KEY, String::class.java)
@ -207,6 +208,7 @@ internal class RealmCryptoStoreMigration @Inject constructor(private val crossSi
}
private fun migrateTo4(realm: DynamicRealm) {
Timber.d("Step 3 -> 4")
Timber.d("Updating KeyInfoEntity table")
val keyInfoEntities = realm.where("KeyInfoEntity").findAll()
try {
@ -238,6 +240,7 @@ internal class RealmCryptoStoreMigration @Inject constructor(private val crossSi
}
private fun migrateTo5(realm: DynamicRealm) {
Timber.d("Step 4 -> 5")
realm.schema.create("MyDeviceLastSeenInfoEntity")
.addField(MyDeviceLastSeenInfoEntityFields.DEVICE_ID, String::class.java)
.addPrimaryKey(MyDeviceLastSeenInfoEntityFields.DEVICE_ID)

7
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/helper/ChunkEntityHelper.kt
View File

@ -60,10 +60,9 @@ internal fun ChunkEntity.merge(roomId: String, chunkToMerge: ChunkEntity, direct
chunkToMerge.stateEvents.forEach { stateEvent ->
addStateEvent(roomId, stateEvent, direction)
}
return eventsToMerge
.forEach {
addTimelineEventFromMerge(localRealm, it, direction)
}
eventsToMerge.forEach {
addTimelineEventFromMerge(localRealm, it, direction)
}
}
internal fun ChunkEntity.addStateEvent(roomId: String, stateEvent: EventEntity, direction: PaginationDirection) {

5
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/model/ChunkEntity.kt
View File

@ -23,15 +23,20 @@ import io.realm.annotations.Index
import io.realm.annotations.LinkingObjects
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 stateEvents: RealmList<EventEntity> = RealmList(),
var timelineEvents: RealmList<TimelineEventEntity> = RealmList(),
// Only one chunk will have isLastForward == true
@Index var isLastForward: Boolean = false,
@Index var isLastBackward: Boolean = false
) : RealmObject() {
fun identifier() = "${prevToken}_$nextToken"
// If true, then this chunk was previously a last forward chunk
fun hasBeenALastForwardChunk() = nextToken == null && !isLastForward
@LinkingObjects("chunks")
val room: RealmResults<RoomEntity>? = null

2
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/query/ChunkEntityQueries.kt
View File

@ -41,7 +41,7 @@ internal fun ChunkEntity.Companion.find(realm: Realm, roomId: String, prevToken:
return query.findFirst()
}
internal fun ChunkEntity.Companion.findLastLiveChunkFromRoom(realm: Realm, roomId: String): ChunkEntity? {
internal fun ChunkEntity.Companion.findLastForwardChunkOfRoom(realm: Realm, roomId: String): ChunkEntity? {
return where(realm, roomId)
.equalTo(ChunkEntityFields.IS_LAST_FORWARD, true)
.findFirst()

2
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/query/ReadQueries.kt
View File

@ -36,7 +36,7 @@ internal fun isEventRead(monarchy: Monarchy,
var isEventRead = false
monarchy.doWithRealm { realm ->
val liveChunk = ChunkEntity.findLastLiveChunkFromRoom(realm, roomId) ?: return@doWithRealm
val liveChunk = ChunkEntity.findLastForwardChunkOfRoom(realm, roomId) ?: return@doWithRealm
val eventToCheck = liveChunk.timelineEvents.find(eventId)
isEventRead = if (eventToCheck == null || eventToCheck.root?.sender == userId) {
true

2
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/query/TimelineEventEntityQueries.kt
View File

@ -59,7 +59,7 @@ internal fun TimelineEventEntity.Companion.latestEvent(realm: Realm,
filterTypes: List<String> = emptyList()): TimelineEventEntity? {
val roomEntity = RoomEntity.where(realm, roomId).findFirst() ?: return null
val sendingTimelineEvents = roomEntity.sendingTimelineEvents.where().filterTypes(filterTypes)
val liveEvents = ChunkEntity.findLastLiveChunkFromRoom(realm, roomId)?.timelineEvents?.where()?.filterTypes(filterTypes)
val liveEvents = ChunkEntity.findLastForwardChunkOfRoom(realm, roomId)?.timelineEvents?.where()?.filterTypes(filterTypes)
if (filterContentRelation) {
liveEvents
?.not()?.like(TimelineEventEntityFields.ROOT.CONTENT, TimelineEventFilter.Content.EDIT)

5
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomModule.kt
View File

@ -56,8 +56,10 @@ import im.vector.matrix.android.internal.session.room.reporting.DefaultReportCon
import im.vector.matrix.android.internal.session.room.reporting.ReportContentTask
import im.vector.matrix.android.internal.session.room.state.DefaultSendStateTask
import im.vector.matrix.android.internal.session.room.state.SendStateTask
import im.vector.matrix.android.internal.session.room.timeline.DefaultFetchNextTokenAndPaginateTask
import im.vector.matrix.android.internal.session.room.timeline.DefaultGetContextOfEventTask
import im.vector.matrix.android.internal.session.room.timeline.DefaultPaginationTask
import im.vector.matrix.android.internal.session.room.timeline.FetchNextTokenAndPaginateTask
import im.vector.matrix.android.internal.session.room.timeline.GetContextOfEventTask
import im.vector.matrix.android.internal.session.room.timeline.PaginationTask
import im.vector.matrix.android.internal.session.room.typing.DefaultSendTypingTask
@ -143,6 +145,9 @@ internal abstract class RoomModule {
@Binds
abstract fun bindPaginationTask(task: DefaultPaginationTask): PaginationTask
@Binds
abstract fun bindFetchNextTokenAndPaginateTask(task: DefaultFetchNextTokenAndPaginateTask): FetchNextTokenAndPaginateTask
@Binds
abstract fun bindFetchEditHistoryTask(task: DefaultFetchEditHistoryTask): FetchEditHistoryTask

80
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/send/DefaultSendService.kt
View File

@ -68,31 +68,40 @@ internal class DefaultSendService @AssistedInject constructor(
private val workerFutureListenerExecutor = Executors.newSingleThreadExecutor()
override fun sendTextMessage(text: CharSequence, msgType: String, autoMarkdown: Boolean): Cancelable {
val event = localEchoEventFactory.createTextEvent(roomId, msgType, text, autoMarkdown).also {
createLocalEcho(it)
return localEchoEventFactory.createTextEvent(roomId, msgType, text, autoMarkdown)
.also { createLocalEcho(it) }
.let { sendEvent(it) }
}
// For test only
private fun sendTextMessages(text: CharSequence, msgType: String, autoMarkdown: Boolean, times: Int): Cancelable {
return CancelableBag().apply {
// Send the event several times
repeat(times) { i ->
localEchoEventFactory.createTextEvent(roomId, msgType, "$text - $i", autoMarkdown)
.also { createLocalEcho(it) }
.let { sendEvent(it) }
.also { add(it) }
}
}
return sendEvent(event)
}
override fun sendFormattedTextMessage(text: String, formattedText: String, msgType: String): Cancelable {
val event = localEchoEventFactory.createFormattedTextEvent(roomId, TextContent(text, formattedText), msgType).also {
createLocalEcho(it)
}
return sendEvent(event)
return localEchoEventFactory.createFormattedTextEvent(roomId, TextContent(text, formattedText), msgType)
.also { createLocalEcho(it) }
.let { sendEvent(it) }
}
override fun sendPoll(question: String, options: List<OptionItem>): Cancelable {
val event = localEchoEventFactory.createPollEvent(roomId, question, options).also {
createLocalEcho(it)
}
return sendEvent(event)
return localEchoEventFactory.createPollEvent(roomId, question, options)
.also { createLocalEcho(it) }
.let { sendEvent(it) }
}
override fun sendOptionsReply(pollEventId: String, optionIndex: Int, optionValue: String): Cancelable {
val event = localEchoEventFactory.createOptionsReplyEvent(roomId, pollEventId, optionIndex, optionValue).also {
createLocalEcho(it)
}
return sendEvent(event)
return localEchoEventFactory.createOptionsReplyEvent(roomId, pollEventId, optionIndex, optionValue)
.also { createLocalEcho(it) }
.let { sendEvent(it) }
}
private fun sendEvent(event: Event): Cancelable {
@ -119,8 +128,8 @@ internal class DefaultSendService @AssistedInject constructor(
override fun redactEvent(event: Event, reason: String?): Cancelable {
// TODO manage media/attachements?
val redactWork = createRedactEventWork(event, reason)
return timelineSendEventWorkCommon.postWork(roomId, redactWork)
return createRedactEventWork(event, reason)
.let { timelineSendEventWorkCommon.postWork(roomId, it) }
}
override fun resendTextMessage(localEcho: TimelineEvent): Cancelable? {
@ -263,31 +272,30 @@ internal class DefaultSendService @AssistedInject constructor(
private fun createEncryptEventWork(event: Event, startChain: Boolean): OneTimeWorkRequest {
// Same parameter
val params = EncryptEventWorker.Params(sessionId, event)
val sendWorkData = WorkerParamsFactory.toData(params)
return workManagerProvider.matrixOneTimeWorkRequestBuilder<EncryptEventWorker>()
.setConstraints(WorkManagerProvider.workConstraints)
.setInputData(sendWorkData)
.startChain(startChain)
.setBackoffCriteria(BackoffPolicy.LINEAR, WorkManagerProvider.BACKOFF_DELAY, TimeUnit.MILLISECONDS)
.build()
return EncryptEventWorker.Params(sessionId, event)
.let { WorkerParamsFactory.toData(it) }
.let {
workManagerProvider.matrixOneTimeWorkRequestBuilder<EncryptEventWorker>()
.setConstraints(WorkManagerProvider.workConstraints)
.setInputData(it)
.startChain(startChain)
.setBackoffCriteria(BackoffPolicy.LINEAR, WorkManagerProvider.BACKOFF_DELAY, TimeUnit.MILLISECONDS)
.build()
}
}
private fun createSendEventWork(event: Event, startChain: Boolean): OneTimeWorkRequest {
val sendContentWorkerParams = SendEventWorker.Params(sessionId, event)
val sendWorkData = WorkerParamsFactory.toData(sendContentWorkerParams)
return timelineSendEventWorkCommon.createWork<SendEventWorker>(sendWorkData, startChain)
return SendEventWorker.Params(sessionId, event)
.let { WorkerParamsFactory.toData(it) }
.let { timelineSendEventWorkCommon.createWork<SendEventWorker>(it, startChain) }
}
private fun createRedactEventWork(event: Event, reason: String?): OneTimeWorkRequest {
val redactEvent = localEchoEventFactory.createRedactEvent(roomId, event.eventId!!, reason).also {
createLocalEcho(it)
}
val sendContentWorkerParams = RedactEventWorker.Params(sessionId, redactEvent.eventId!!, roomId, event.eventId, reason)
val redactWorkData = WorkerParamsFactory.toData(sendContentWorkerParams)
return timelineSendEventWorkCommon.createWork<RedactEventWorker>(redactWorkData, true)
return localEchoEventFactory.createRedactEvent(roomId, event.eventId!!, reason)
.also { createLocalEcho(it) }
.let { RedactEventWorker.Params(sessionId, it.eventId!!, roomId, event.eventId, reason) }
.let { WorkerParamsFactory.toData(it) }
.let { timelineSendEventWorkCommon.createWork<RedactEventWorker>(it, true) }
}
private fun createUploadMediaWork(allLocalEchos: List<Event>,

138
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/timeline/DefaultTimeline.kt
View File

@ -17,6 +17,7 @@
package im.vector.matrix.android.internal.session.room.timeline
import im.vector.matrix.android.api.MatrixCallback
import im.vector.matrix.android.api.extensions.orFalse
import im.vector.matrix.android.api.session.events.model.EventType
import im.vector.matrix.android.api.session.events.model.RelationType
import im.vector.matrix.android.api.session.events.model.toModel
@ -71,6 +72,7 @@ internal class DefaultTimeline(
private val realmConfiguration: RealmConfiguration,
private val taskExecutor: TaskExecutor,
private val contextOfEventTask: GetContextOfEventTask,
private val fetchNextTokenAndPaginateTask: FetchNextTokenAndPaginateTask,
private val paginationTask: PaginationTask,
private val timelineEventMapper: TimelineEventMapper,
private val settings: TimelineSettings,
@ -383,7 +385,7 @@ internal class DefaultTimeline(
}
/**
* This has to be called on TimelineThread as it access realm live results
* This has to be called on TimelineThread as it accesses realm live results
* @return true if createSnapshot should be posted
*/
private fun paginateInternal(startDisplayIndex: Int?,
@ -446,7 +448,7 @@ internal class DefaultTimeline(
}
/**
* This has to be called on TimelineThread as it access realm live results
* This has to be called on TimelineThread as it accesses realm live results
*/
private fun handleInitialLoad() {
var shouldFetchInitialEvent = false
@ -478,7 +480,7 @@ internal class DefaultTimeline(
}
/**
* This has to be called on TimelineThread as it access realm live results
* This has to be called on TimelineThread as it accesses realm live results
*/
private fun handleUpdates(results: RealmResults<TimelineEventEntity>, changeSet: OrderedCollectionChangeSet) {
// If changeSet has deletion we are having a gap, so we clear everything
@ -516,68 +518,90 @@ internal class DefaultTimeline(
}
/**
* This has to be called on TimelineThread as it access realm live results
* This has to be called on TimelineThread as it accesses realm live results
*/
private fun executePaginationTask(direction: Timeline.Direction, limit: Int) {
val token = getTokenLive(direction)
val currentChunk = getLiveChunk()
val token = if (direction == Timeline.Direction.BACKWARDS) currentChunk?.prevToken else currentChunk?.nextToken
if (token == null) {
updateState(direction) { it.copy(isPaginating = false, requestedPaginationCount = 0) }
return
}
val params = PaginationTask.Params(roomId = roomId,
from = token,
direction = direction.toPaginationDirection(),
limit = limit)
Timber.v("Should fetch $limit items $direction")
cancelableBag += paginationTask
.configureWith(params) {
this.callback = object : MatrixCallback<TokenChunkEventPersistor.Result> {
override fun onSuccess(data: TokenChunkEventPersistor.Result) {
when (data) {
TokenChunkEventPersistor.Result.SUCCESS -> {
Timber.v("Success fetching $limit items $direction from pagination request")
}
TokenChunkEventPersistor.Result.REACHED_END -> {
postSnapshot()
}
TokenChunkEventPersistor.Result.SHOULD_FETCH_MORE ->
// Database won't be updated, so we force pagination request
BACKGROUND_HANDLER.post {
executePaginationTask(direction, limit)
}
if (direction == Timeline.Direction.FORWARDS && currentChunk?.hasBeenALastForwardChunk().orFalse()) {
// We are in the case that next event exists, but we do not know the next token.
// Fetch (again) the last event to get a nextToken
val lastKnownEventId = nonFilteredEvents.firstOrNull()?.eventId
if (lastKnownEventId == null) {
updateState(direction) { it.copy(isPaginating = false, requestedPaginationCount = 0) }
} else {
val params = FetchNextTokenAndPaginateTask.Params(
roomId = roomId,
limit = limit,
lastKnownEventId = lastKnownEventId
)
cancelableBag += fetchNextTokenAndPaginateTask
.configureWith(params) {
this.callback = createPaginationCallback(limit, direction)
}
}
.executeBy(taskExecutor)
}
} else {
updateState(direction) { it.copy(isPaginating = false, requestedPaginationCount = 0) }
}
} else {
val params = PaginationTask.Params(
roomId = roomId,
from = token,
direction = direction.toPaginationDirection(),
limit = limit
)
Timber.v("Should fetch $limit items $direction")
cancelableBag += paginationTask
.configureWith(params) {
this.callback = createPaginationCallback(limit, direction)
}
.executeBy(taskExecutor)
}
}
override fun onFailure(failure: Throwable) {
updateState(direction) { it.copy(isPaginating = false, requestedPaginationCount = 0) }
postSnapshot()
Timber.v("Failure fetching $limit items $direction from pagination request")
// For debug purpose only
private fun dumpAndLogChunks() {
val liveChunk = getLiveChunk()
Timber.w("Live chunk: $liveChunk")
Realm.getInstance(realmConfiguration).use { realm ->
ChunkEntity.where(realm, roomId).findAll()
.also { Timber.w("Found ${it.size} chunks") }
.forEach {
Timber.w("")
Timber.w("ChunkEntity: $it")
Timber.w("prevToken: ${it.prevToken}")
Timber.w("nextToken: ${it.nextToken}")
Timber.w("isLastBackward: ${it.isLastBackward}")
Timber.w("isLastForward: ${it.isLastForward}")
it.timelineEvents.forEach { tle ->
Timber.w(" TLE: ${tle.root?.content}")
}
}
}
.executeBy(taskExecutor)
}
}
/**
* This has to be called on TimelineThread as it access realm live results
* This has to be called on TimelineThread as it accesses realm live results
*/
private fun getTokenLive(direction: Timeline.Direction): String? {
val chunkEntity = getLiveChunk() ?: return null
return if (direction == Timeline.Direction.BACKWARDS) chunkEntity.prevToken else chunkEntity.nextToken
}
/**
* This has to be called on TimelineThread as it access realm live results
* This has to be called on TimelineThread as it accesses realm live results
* Return the current Chunk
*/
private fun getLiveChunk(): ChunkEntity? {
return nonFilteredEvents.firstOrNull()?.chunk?.firstOrNull()
}
/**
* This has to be called on TimelineThread as it access realm live results
* @return number of items who have been added
* This has to be called on TimelineThread as it accesses realm live results
* @return the number of items who have been added
*/
private fun buildTimelineEvents(startDisplayIndex: Int?,
direction: Timeline.Direction,
@ -618,6 +642,8 @@ internal class DefaultTimeline(
}
val time = System.currentTimeMillis() - start
Timber.v("Built ${offsetResults.size} items from db in $time ms")
// For the case where wo reach the lastForward chunk
updateLoadingStates(filteredEvents)
return offsetResults.size
}
@ -628,7 +654,7 @@ internal class DefaultTimeline(
)
/**
* This has to be called on TimelineThread as it access realm live results
* This has to be called on TimelineThread as it accesses realm live results
*/
private fun getOffsetResults(startDisplayIndex: Int,
direction: Timeline.Direction,
@ -713,6 +739,32 @@ internal class DefaultTimeline(
forwardsState.set(State())
}
private fun createPaginationCallback(limit: Int, direction: Timeline.Direction): MatrixCallback<TokenChunkEventPersistor.Result> {
return object : MatrixCallback<TokenChunkEventPersistor.Result> {
override fun onSuccess(data: TokenChunkEventPersistor.Result) {
when (data) {
TokenChunkEventPersistor.Result.SUCCESS -> {
Timber.v("Success fetching $limit items $direction from pagination request")
}
TokenChunkEventPersistor.Result.REACHED_END -> {
postSnapshot()
}
TokenChunkEventPersistor.Result.SHOULD_FETCH_MORE ->
// Database won't be updated, so we force pagination request
BACKGROUND_HANDLER.post {
executePaginationTask(direction, limit)
}
}
}
override fun onFailure(failure: Throwable) {
updateState(direction) { it.copy(isPaginating = false, requestedPaginationCount = 0) }
postSnapshot()
Timber.v("Failure fetching $limit items $direction from pagination request")
}
}
}
// Extension methods ***************************************************************************
private fun Timeline.Direction.toPaginationDirection(): PaginationDirection {

4
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/timeline/DefaultTimelineService.kt
View File

@ -42,6 +42,7 @@ internal class DefaultTimelineService @AssistedInject constructor(@Assisted priv
private val contextOfEventTask: GetContextOfEventTask,
private val eventDecryptor: TimelineEventDecryptor,
private val paginationTask: PaginationTask,
private val fetchNextTokenAndPaginateTask: FetchNextTokenAndPaginateTask,
private val timelineEventMapper: TimelineEventMapper,
private val readReceiptsSummaryMapper: ReadReceiptsSummaryMapper
) : TimelineService {
@ -63,7 +64,8 @@ internal class DefaultTimelineService @AssistedInject constructor(@Assisted priv
settings = settings,
hiddenReadReceipts = TimelineHiddenReadReceipts(readReceiptsSummaryMapper, roomId, settings),
eventBus = eventBus,
eventDecryptor = eventDecryptor
eventDecryptor = eventDecryptor,
fetchNextTokenAndPaginateTask = fetchNextTokenAndPaginateTask
)
}

66
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/timeline/FetchNextTokenAndPaginateTask.kt Normal file
View File

@ -0,0 +1,66 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package im.vector.matrix.android.internal.session.room.timeline
import com.zhuinden.monarchy.Monarchy
import im.vector.matrix.android.internal.database.model.ChunkEntity
import im.vector.matrix.android.internal.database.query.findIncludingEvent
import im.vector.matrix.android.internal.network.executeRequest
import im.vector.matrix.android.internal.session.filter.FilterRepository
import im.vector.matrix.android.internal.session.room.RoomAPI
import im.vector.matrix.android.internal.task.Task
import im.vector.matrix.android.internal.util.awaitTransaction
import org.greenrobot.eventbus.EventBus
import javax.inject.Inject
internal interface FetchNextTokenAndPaginateTask : Task<FetchNextTokenAndPaginateTask.Params, TokenChunkEventPersistor.Result> {
data class Params(
val roomId: String,
val lastKnownEventId: String,
val limit: Int
)
}
internal class DefaultFetchNextTokenAndPaginateTask @Inject constructor(
private val roomAPI: RoomAPI,
private val monarchy: Monarchy,
private val filterRepository: FilterRepository,
private val paginationTask: PaginationTask,
private val eventBus: EventBus
) : FetchNextTokenAndPaginateTask {
override suspend fun execute(params: FetchNextTokenAndPaginateTask.Params): TokenChunkEventPersistor.Result {
val filter = filterRepository.getRoomFilter()
val response = executeRequest<EventContextResponse>(eventBus) {
apiCall = roomAPI.getContextOfEvent(params.roomId, params.lastKnownEventId, 0, filter)
}
if (response.end == null) {
throw IllegalStateException("No next token found")
}
monarchy.awaitTransaction {
ChunkEntity.findIncludingEvent(it, params.lastKnownEventId)?.nextToken = response.end
}
val paginationParams = PaginationTask.Params(
roomId = params.roomId,
from = response.end,
direction = PaginationDirection.FORWARDS,
limit = params.limit
)
return paginationTask.execute(paginationParams)
}
}

15
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/timeline/TokenChunkEventPersistor.kt
View File

@ -35,7 +35,7 @@ import im.vector.matrix.android.internal.database.query.copyToRealmOrIgnore
import im.vector.matrix.android.internal.database.query.create
import im.vector.matrix.android.internal.database.query.find
import im.vector.matrix.android.internal.database.query.findAllIncludingEvents
import im.vector.matrix.android.internal.database.query.findLastLiveChunkFromRoom
import im.vector.matrix.android.internal.database.query.findLastForwardChunkOfRoom
import im.vector.matrix.android.internal.database.query.getOrCreate
import im.vector.matrix.android.internal.database.query.latestEvent
import im.vector.matrix.android.internal.database.query.where
@ -169,10 +169,10 @@ internal class TokenChunkEventPersistor @Inject constructor(private val monarchy
private fun handleReachEnd(realm: Realm, roomId: String, direction: PaginationDirection, currentChunk: ChunkEntity) {
Timber.v("Reach end of $roomId")
if (direction == PaginationDirection.FORWARDS) {
val currentLiveChunk = ChunkEntity.findLastLiveChunkFromRoom(realm, roomId)
if (currentChunk != currentLiveChunk) {
val currentLastForwardChunk = ChunkEntity.findLastForwardChunkOfRoom(realm, roomId)
if (currentChunk != currentLastForwardChunk) {
currentChunk.isLastForward = true
currentLiveChunk?.deleteOnCascade()
currentLastForwardChunk?.deleteOnCascade()
RoomSummaryEntity.where(realm, roomId).findFirst()?.apply {
latestPreviewableEvent = TimelineEventEntity.latestEvent(
realm,
@ -224,10 +224,13 @@ internal class TokenChunkEventPersistor @Inject constructor(private val monarchy
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)
}
@ -246,6 +249,8 @@ internal class TokenChunkEventPersistor @Inject constructor(private val monarchy
)
roomSummaryEntity.latestPreviewableEvent = latestPreviewableEvent
}
RoomEntity.where(realm, roomId).findFirst()?.addOrUpdate(currentChunk)
if (currentChunk.isValid) {
RoomEntity.where(realm, roomId).findFirst()?.addOrUpdate(currentChunk)
}
}
}

5
matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/sync/RoomSyncHandler.kt
View File

@ -36,7 +36,7 @@ import im.vector.matrix.android.internal.database.model.CurrentStateEventEntity
import im.vector.matrix.android.internal.database.model.RoomEntity
import im.vector.matrix.android.internal.database.query.copyToRealmOrIgnore
import im.vector.matrix.android.internal.database.query.find
import im.vector.matrix.android.internal.database.query.findLastLiveChunkFromRoom
import im.vector.matrix.android.internal.database.query.findLastForwardChunkOfRoom
import im.vector.matrix.android.internal.database.query.getOrCreate
import im.vector.matrix.android.internal.database.query.getOrNull
import im.vector.matrix.android.internal.database.query.where
@ -220,12 +220,13 @@ internal class RoomSyncHandler @Inject constructor(private val readReceiptHandle
prevToken: String? = null,
isLimited: Boolean = true,
syncLocalTimestampMillis: Long): ChunkEntity {
val lastChunk = ChunkEntity.findLastLiveChunkFromRoom(realm, roomEntity.roomId)
val lastChunk = ChunkEntity.findLastForwardChunkOfRoom(realm, roomEntity.roomId)
val chunkEntity = if (!isLimited && lastChunk != null) {
lastChunk
} else {
realm.createObject<ChunkEntity>().apply { this.prevToken = prevToken }
}
// Only one chunk has isLastForward set to true
lastChunk?.isLastForward = false
chunkEntity.isLastForward = true

1
matrix-sdk-android/src/main/res/values/strings.xml
View File

@ -5,6 +5,7 @@
<string name="summary_user_sent_sticker">%1$s sent a sticker.</string>
<string name="notice_room_invite_no_invitee">%s\'s invitation</string>
<string name="notice_room_created">%1$s created the room</string>
<string name="notice_room_invite">%1$s invited %2$s</string>
<string name="notice_room_invite_you">%1$s invited you</string>
<string name="notice_room_join">%1$s joined the room</string>

20
vector/src/main/java/im/vector/riotx/core/extensions/Collections.kt Normal file
View File

@ -0,0 +1,20 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package im.vector.riotx.core.extensions
inline fun <reified T> List<T>.nextOrNull(index: Int) = getOrNull(index + 1)
inline fun <reified T> List<T>.prevOrNull(index: Int) = getOrNull(index - 1)

2
vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/TimelineEventController.kt
View File

@ -35,6 +35,7 @@ import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
import im.vector.riotx.core.date.VectorDateFormatter
import im.vector.riotx.core.epoxy.LoadingItem_
import im.vector.riotx.core.extensions.localDateTime
import im.vector.riotx.core.extensions.nextOrNull
import im.vector.riotx.features.home.room.detail.RoomDetailAction
import im.vector.riotx.features.home.room.detail.RoomDetailViewState
import im.vector.riotx.features.home.room.detail.UnreadState
@ -45,7 +46,6 @@ import im.vector.riotx.features.home.room.detail.timeline.helper.ReadMarkerVisib
import im.vector.riotx.features.home.room.detail.timeline.helper.TimelineEventDiffUtilCallback
import im.vector.riotx.features.home.room.detail.timeline.helper.TimelineEventVisibilityStateChangedListener
import im.vector.riotx.features.home.room.detail.timeline.helper.TimelineMediaSizeProvider
import im.vector.riotx.features.home.room.detail.timeline.helper.nextOrNull
import im.vector.riotx.features.home.room.detail.timeline.item.BaseEventItem
import im.vector.riotx.features.home.room.detail.timeline.item.BasedMergedItem
import im.vector.riotx.features.home.room.detail.timeline.item.DaySeparatorItem

125
vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/factory/MergedHeaderItemFactory.kt
View File

@ -22,7 +22,7 @@ import im.vector.matrix.android.api.session.room.model.create.RoomCreateContent
import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
import im.vector.matrix.android.internal.crypto.MXCRYPTO_ALGORITHM_MEGOLM
import im.vector.matrix.android.internal.crypto.model.event.EncryptionEventContent
import im.vector.riotx.core.di.ActiveSessionHolder
import im.vector.riotx.core.extensions.prevOrNull
import im.vector.riotx.features.home.AvatarRenderer
import im.vector.riotx.features.home.room.detail.timeline.TimelineEventController
import im.vector.riotx.features.home.room.detail.timeline.helper.AvatarSizeProvider
@ -37,15 +37,15 @@ import im.vector.riotx.features.home.room.detail.timeline.item.MergedRoomCreatio
import im.vector.riotx.features.home.room.detail.timeline.item.MergedRoomCreationItem_
import javax.inject.Inject
class MergedHeaderItemFactory @Inject constructor(private val sessionHolder: ActiveSessionHolder,
private val avatarRenderer: AvatarRenderer,
class MergedHeaderItemFactory @Inject constructor(private val avatarRenderer: AvatarRenderer,
private val avatarSizeProvider: AvatarSizeProvider) {
private val collapsedEventIds = linkedSetOf<Long>()
private val mergeItemCollapseStates = HashMap<Long, Boolean>()
/**
* Note: nextEvent is an older event than event
* @param nextEvent is an older event than event
* @param items all known items, sorted from newer event to oldest event
*/
fun create(event: TimelineEvent,
nextEvent: TimelineEvent?,
@ -64,60 +64,69 @@ class MergedHeaderItemFactory @Inject constructor(private val sessionHolder: Act
} else if (!event.canBeMerged() || (nextEvent?.root?.getClearType() == event.root.getClearType() && !addDaySeparator)) {
null
} else {
val prevSameTypeEvents = items.prevSameTypeEvents(currentPosition, 2)
if (prevSameTypeEvents.isEmpty()) {
null
} else {
var highlighted = false
val mergedEvents = (prevSameTypeEvents + listOf(event)).asReversed()
val mergedData = ArrayList<BasedMergedItem.Data>(mergedEvents.size)
mergedEvents.forEach { mergedEvent ->
if (!highlighted && mergedEvent.root.eventId == eventIdToHighlight) {
highlighted = true
}
val senderAvatar = mergedEvent.senderAvatar
val senderName = mergedEvent.getDisambiguatedDisplayName()
val data = BasedMergedItem.Data(
userId = mergedEvent.root.senderId ?: "",
avatarUrl = senderAvatar,
memberName = senderName,
localId = mergedEvent.localId,
eventId = mergedEvent.root.eventId ?: ""
)
mergedData.add(data)
buildMembershipEventsMergedSummary(currentPosition, items, event, eventIdToHighlight, requestModelBuild, callback)
}
}
private fun buildMembershipEventsMergedSummary(currentPosition: Int,
items: List<TimelineEvent>,
event: TimelineEvent,
eventIdToHighlight: String?,
requestModelBuild: () -> Unit,
callback: TimelineEventController.Callback?): MergedMembershipEventsItem_? {
val prevSameTypeEvents = items.prevSameTypeEvents(currentPosition, 2)
return if (prevSameTypeEvents.isEmpty()) {
null
} else {
var highlighted = false
val mergedEvents = (prevSameTypeEvents + listOf(event)).asReversed()
val mergedData = ArrayList<BasedMergedItem.Data>(mergedEvents.size)
mergedEvents.forEach { mergedEvent ->
if (!highlighted && mergedEvent.root.eventId == eventIdToHighlight) {
highlighted = true
}
val mergedEventIds = mergedEvents.map { it.localId }
// We try to find if one of the item id were used as mergeItemCollapseStates key
// => handle case where paginating from mergeable events and we get more
val previousCollapseStateKey = mergedEventIds.intersect(mergeItemCollapseStates.keys).firstOrNull()
val initialCollapseState = mergeItemCollapseStates.remove(previousCollapseStateKey)
?: true
val isCollapsed = mergeItemCollapseStates.getOrPut(event.localId) { initialCollapseState }
if (isCollapsed) {
collapsedEventIds.addAll(mergedEventIds)
} else {
collapsedEventIds.removeAll(mergedEventIds)
}
val mergeId = mergedEventIds.joinToString(separator = "_") { it.toString() }
val attributes = MergedMembershipEventsItem.Attributes(
isCollapsed = isCollapsed,
mergeData = mergedData,
avatarRenderer = avatarRenderer,
onCollapsedStateChanged = {
mergeItemCollapseStates[event.localId] = it
requestModelBuild()
},
readReceiptsCallback = callback
val senderAvatar = mergedEvent.senderAvatar
val senderName = mergedEvent.getDisambiguatedDisplayName()
val data = BasedMergedItem.Data(
userId = mergedEvent.root.senderId ?: "",
avatarUrl = senderAvatar,
memberName = senderName,
localId = mergedEvent.localId,
eventId = mergedEvent.root.eventId ?: ""
)
MergedMembershipEventsItem_()
.id(mergeId)
.leftGuideline(avatarSizeProvider.leftGuideline)
.highlighted(isCollapsed && highlighted)
.attributes(attributes)
.also {
it.setOnVisibilityStateChanged(MergedTimelineEventVisibilityStateChangedListener(callback, mergedEvents))
}
mergedData.add(data)
}
val mergedEventIds = mergedEvents.map { it.localId }
// We try to find if one of the item id were used as mergeItemCollapseStates key
// => handle case where paginating from mergeable events and we get more
val previousCollapseStateKey = mergedEventIds.intersect(mergeItemCollapseStates.keys).firstOrNull()
val initialCollapseState = mergeItemCollapseStates.remove(previousCollapseStateKey)
?: true
val isCollapsed = mergeItemCollapseStates.getOrPut(event.localId) { initialCollapseState }
if (isCollapsed) {
collapsedEventIds.addAll(mergedEventIds)
} else {
collapsedEventIds.removeAll(mergedEventIds)
}
val mergeId = mergedEventIds.joinToString(separator = "_") { it.toString() }
val attributes = MergedMembershipEventsItem.Attributes(
isCollapsed = isCollapsed,
mergeData = mergedData,
avatarRenderer = avatarRenderer,
onCollapsedStateChanged = {
mergeItemCollapseStates[event.localId] = it
requestModelBuild()
},
readReceiptsCallback = callback
)
MergedMembershipEventsItem_()
.id(mergeId)
.leftGuideline(avatarSizeProvider.leftGuideline)
.highlighted(isCollapsed && highlighted)
.attributes(attributes)
.also {
it.setOnVisibilityStateChanged(MergedTimelineEventVisibilityStateChangedListener(callback, mergedEvents))
}
}
}
@ -127,9 +136,9 @@ class MergedHeaderItemFactory @Inject constructor(private val sessionHolder: Act
eventIdToHighlight: String?,
requestModelBuild: () -> Unit,
callback: TimelineEventController.Callback?): MergedRoomCreationItem_? {
var prevEvent = if (currentPosition > 0) items[currentPosition - 1] else null
var prevEvent = items.prevOrNull(currentPosition)
var tmpPos = currentPosition - 1
val mergedEvents = ArrayList<TimelineEvent>().also { it.add(event) }
val mergedEvents = mutableListOf(event)
var hasEncryption = false
var encryptionAlgorithm: String? = null
while (prevEvent != null && prevEvent.isRoomConfiguration(null)) {
@ -139,7 +148,7 @@ class MergedHeaderItemFactory @Inject constructor(private val sessionHolder: Act
}
mergedEvents.add(prevEvent)
tmpPos--
prevEvent = if (tmpPos >= 0) items[tmpPos] else null
prevEvent = items.getOrNull(tmpPos)
}
return if (mergedEvents.size > 2) {
var highlighted = false

24
vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/factory/RoomCreateItemFactory.kt
View File

@ -21,21 +21,21 @@ import im.vector.matrix.android.api.session.events.model.toModel
import im.vector.matrix.android.api.session.room.model.create.RoomCreateContent
import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
import im.vector.riotx.R
import im.vector.riotx.core.resources.ColorProvider
import im.vector.riotx.core.epoxy.VectorEpoxyModel
import im.vector.riotx.core.resources.StringProvider
import im.vector.riotx.core.resources.UserPreferencesProvider
import im.vector.riotx.features.home.room.detail.timeline.TimelineEventController
import im.vector.riotx.features.home.room.detail.timeline.item.RoomCreateItem
import im.vector.riotx.features.home.room.detail.timeline.item.RoomCreateItem_
import me.gujun.android.span.span
import javax.inject.Inject
class RoomCreateItemFactory @Inject constructor(private val colorProvider: ColorProvider,
private val stringProvider: StringProvider) {
class RoomCreateItemFactory @Inject constructor(private val stringProvider: StringProvider,
private val userPreferencesProvider: UserPreferencesProvider,
private val noticeItemFactory: NoticeItemFactory) {
fun create(event: TimelineEvent, callback: TimelineEventController.Callback?): RoomCreateItem? {
val createRoomContent = event.root.getClearContent().toModel<RoomCreateContent>()
?: return null
val predecessorId = createRoomContent.predecessor?.roomId ?: return null
fun create(event: TimelineEvent, callback: TimelineEventController.Callback?): VectorEpoxyModel<*>? {
val createRoomContent = event.root.getClearContent().toModel<RoomCreateContent>() ?: return null
val predecessorId = createRoomContent.predecessor?.roomId ?: return defaultRendering(event, callback)
val roomLink = PermalinkFactory.createPermalink(predecessorId) ?: return null
val text = span {
+stringProvider.getString(R.string.room_tombstone_continuation_description)
@ -48,4 +48,12 @@ class RoomCreateItemFactory @Inject constructor(private val colorProvider: Color
return RoomCreateItem_()
.text(text)
}
private fun defaultRendering(event: TimelineEvent, callback: TimelineEventController.Callback?): VectorEpoxyModel<*>? {
return if (userPreferencesProvider.shouldShowHiddenEvents()) {
noticeItemFactory.create(event, false, callback)
} else {
null
}
}
}

2
vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/factory/TimelineItemFactory.kt
View File

@ -58,7 +58,7 @@ class TimelineItemFactory @Inject constructor(private val messageItemFactory: Me
EventType.CALL_HANGUP,
EventType.CALL_ANSWER,
EventType.REACTION,
EventType.REDACTION -> noticeItemFactory.create(event, highlight, callback)
EventType.REDACTION -> noticeItemFactory.create(event, highlight, callback)
EventType.STATE_ROOM_ENCRYPTION -> {
encryptionItemFactory.create(event, highlight, callback)
}

8
vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/format/NoticeEventFormatter.kt
View File

@ -32,6 +32,7 @@ import im.vector.matrix.android.api.session.room.model.RoomMemberContent
import im.vector.matrix.android.api.session.room.model.RoomNameContent
import im.vector.matrix.android.api.session.room.model.RoomTopicContent
import im.vector.matrix.android.api.session.room.model.call.CallInviteContent
import im.vector.matrix.android.api.session.room.model.create.RoomCreateContent
import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
import im.vector.matrix.android.internal.crypto.MXCRYPTO_ALGORITHM_MEGOLM
import im.vector.matrix.android.internal.crypto.model.event.EncryptionEventContent
@ -47,6 +48,7 @@ class NoticeEventFormatter @Inject constructor(private val sessionHolder: Active
fun format(timelineEvent: TimelineEvent): CharSequence? {
return when (val type = timelineEvent.root.getClearType()) {
EventType.STATE_ROOM_JOIN_RULES -> formatJoinRulesEvent(timelineEvent.root, timelineEvent.getDisambiguatedDisplayName())
EventType.STATE_ROOM_CREATE -> formatRoomCreateEvent(timelineEvent.root)
EventType.STATE_ROOM_NAME -> formatRoomNameEvent(timelineEvent.root, timelineEvent.getDisambiguatedDisplayName())
EventType.STATE_ROOM_TOPIC -> formatRoomTopicEvent(timelineEvent.root, timelineEvent.getDisambiguatedDisplayName())
EventType.STATE_ROOM_MEMBER -> formatRoomMemberEvent(timelineEvent.root, timelineEvent.getDisambiguatedDisplayName())
@ -98,6 +100,12 @@ class NoticeEventFormatter @Inject constructor(private val sessionHolder: Active
return "{ \"type\": ${event.getClearType()} }"
}
private fun formatRoomCreateEvent(event: Event): CharSequence? {
return event.getClearContent().toModel<RoomCreateContent>()
?.takeIf { it.creator.isNullOrBlank().not() }
?.let { sp.getString(R.string.notice_room_created, it.creator) }
}
private fun formatRoomNameEvent(event: Event, senderName: String?): CharSequence? {
val content = event.getClearContent().toModel<RoomNameContent>() ?: return null
return if (content.name.isNullOrBlank()) {

8
vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/helper/TimelineDisplayableEvents.kt
View File

@ -106,11 +106,3 @@ fun List<TimelineEvent>.prevSameTypeEvents(index: Int, minSize: Int): List<Timel
.nextSameTypeEvents(0, minSize)
.reversed()
}
fun List<TimelineEvent>.nextOrNull(index: Int): TimelineEvent? {
return if (index >= size - 1) {
null
} else {
subList(index + 1, this.size).firstOrNull()
}
}