233 lines
9.1 KiB
Kotlin
233 lines
9.1 KiB
Kotlin
/*
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* Copyright (c) 2023 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package io.element.android.appnav
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import android.os.Parcelable
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import coil.Coil
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import com.bumble.appyx.core.composable.Children
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import com.bumble.appyx.core.lifecycle.subscribe
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import com.bumble.appyx.core.modality.BuildContext
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import com.bumble.appyx.core.node.Node
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import com.bumble.appyx.core.node.node
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import com.bumble.appyx.core.plugin.Plugin
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import com.bumble.appyx.core.plugin.plugins
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import com.bumble.appyx.navmodel.backstack.BackStack
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import com.bumble.appyx.navmodel.backstack.operation.push
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import com.bumble.appyx.navmodel.backstack.operation.replace
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import dagger.assisted.Assisted
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import dagger.assisted.AssistedInject
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import io.element.android.anvilannotations.ContributesNode
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import io.element.android.appnav.loggedin.LoggedInNode
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import io.element.android.features.createroom.api.CreateRoomEntryPoint
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import io.element.android.features.preferences.api.PreferencesEntryPoint
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import io.element.android.features.roomlist.api.RoomListEntryPoint
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import io.element.android.features.verifysession.api.VerifySessionEntryPoint
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import io.element.android.libraries.architecture.BackstackNode
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import io.element.android.libraries.architecture.NodeInputs
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import io.element.android.libraries.architecture.animation.rememberDefaultTransitionHandler
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import io.element.android.libraries.architecture.bindings
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import io.element.android.libraries.architecture.createNode
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import io.element.android.libraries.architecture.inputs
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import io.element.android.libraries.designsystem.theme.components.Text
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import io.element.android.libraries.designsystem.utils.SnackbarDispatcher
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import io.element.android.libraries.di.AppScope
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import io.element.android.libraries.matrix.api.MatrixClient
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import io.element.android.libraries.matrix.api.core.MAIN_SPACE
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import io.element.android.libraries.matrix.api.core.RoomId
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import io.element.android.libraries.matrix.ui.di.MatrixUIBindings
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import io.element.android.services.appnavstate.api.AppNavigationStateService
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.runBlocking
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import kotlinx.parcelize.Parcelize
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import kotlin.coroutines.coroutineContext
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@ContributesNode(AppScope::class)
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class LoggedInFlowNode @AssistedInject constructor(
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@Assisted buildContext: BuildContext,
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@Assisted plugins: List<Plugin>,
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private val roomListEntryPoint: RoomListEntryPoint,
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private val preferencesEntryPoint: PreferencesEntryPoint,
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private val createRoomEntryPoint: CreateRoomEntryPoint,
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private val appNavigationStateService: AppNavigationStateService,
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private val verifySessionEntryPoint: VerifySessionEntryPoint,
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private val coroutineScope: CoroutineScope,
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snackbarDispatcher: SnackbarDispatcher,
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) : BackstackNode<LoggedInFlowNode.NavTarget>(
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backstack = BackStack(
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initialElement = NavTarget.RoomList,
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savedStateMap = buildContext.savedStateMap,
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),
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buildContext = buildContext,
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plugins = plugins
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) {
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interface Callback : Plugin {
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fun onOpenBugReport() = Unit
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}
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interface LifecycleCallback : NodeLifecycleCallback {
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fun onFlowCreated(client: MatrixClient) = Unit
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fun onFlowReleased(client: MatrixClient) = Unit
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}
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data class Inputs(
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val matrixClient: MatrixClient
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) : NodeInputs
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private val inputs: Inputs = inputs()
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private val loggedInFlowProcessor = LoggedInEventProcessor(
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snackbarDispatcher,
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inputs.matrixClient.roomMembershipObserver(),
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inputs.matrixClient.sessionVerificationService(),
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)
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override fun onBuilt() {
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super.onBuilt()
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lifecycle.subscribe(
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onCreate = {
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plugins<LifecycleCallback>().forEach { it.onFlowCreated(inputs.matrixClient) }
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val imageLoaderFactory = bindings<MatrixUIBindings>().loggedInImageLoaderFactory()
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Coil.setImageLoader(imageLoaderFactory)
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inputs.matrixClient.startSync()
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appNavigationStateService.onNavigateToSession(inputs.matrixClient.sessionId)
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// TODO We do not support Space yet, so directly navigate to main space
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appNavigationStateService.onNavigateToSpace(MAIN_SPACE)
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loggedInFlowProcessor.observeEvents(coroutineScope)
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},
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onDestroy = {
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val imageLoaderFactory = bindings<MatrixUIBindings>().notLoggedInImageLoaderFactory()
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Coil.setImageLoader(imageLoaderFactory)
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plugins<LifecycleCallback>().forEach { it.onFlowReleased(inputs.matrixClient) }
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appNavigationStateService.onLeavingSpace()
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appNavigationStateService.onLeavingSession()
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loggedInFlowProcessor.stopObserving()
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}
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)
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}
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sealed interface NavTarget : Parcelable {
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@Parcelize
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object Permanent : NavTarget
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@Parcelize
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object RoomList : NavTarget
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@Parcelize
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data class Room(val roomId: RoomId) : NavTarget
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@Parcelize
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object Settings : NavTarget
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@Parcelize
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object CreateRoom : NavTarget
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@Parcelize
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object VerifySession : NavTarget
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}
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override fun resolve(navTarget: NavTarget, buildContext: BuildContext): Node {
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return when (navTarget) {
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NavTarget.Permanent -> {
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createNode<LoggedInNode>(buildContext)
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}
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NavTarget.RoomList -> {
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val callback = object : RoomListEntryPoint.Callback {
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override fun onRoomClicked(roomId: RoomId) {
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backstack.push(NavTarget.Room(roomId))
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}
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override fun onSettingsClicked() {
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backstack.push(NavTarget.Settings)
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}
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override fun onCreateRoomClicked() {
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backstack.push(NavTarget.CreateRoom)
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}
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override fun onSessionVerificationClicked() {
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backstack.push(NavTarget.VerifySession)
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}
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}
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roomListEntryPoint
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.nodeBuilder(this, buildContext)
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.callback(callback)
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.build()
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}
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is NavTarget.Room -> {
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val room = inputs.matrixClient.getRoom(roomId = navTarget.roomId)
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if (room == null) {
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// TODO CREATE UNKNOWN ROOM NODE
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node(buildContext) {
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Box(modifier = it.fillMaxSize(), contentAlignment = Alignment.Center) {
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Text(text = "Unknown room with id = ${navTarget.roomId}")
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}
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}
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} else {
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val nodeLifecycleCallbacks = plugins<NodeLifecycleCallback>()
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val inputs = RoomFlowNode.Inputs(room)
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createNode<RoomFlowNode>(buildContext, plugins = listOf(inputs) + nodeLifecycleCallbacks)
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}
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}
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NavTarget.Settings -> {
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val callback = object : PreferencesEntryPoint.Callback {
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override fun onOpenBugReport() {
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plugins<Callback>().forEach { it.onOpenBugReport() }
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}
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}
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preferencesEntryPoint.nodeBuilder(this, buildContext)
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.callback(callback)
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.build()
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}
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NavTarget.CreateRoom -> {
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val callback = object : CreateRoomEntryPoint.Callback {
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override fun onOpenRoom(roomId: RoomId) {
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backstack.replace(NavTarget.Room(roomId))
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}
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}
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createRoomEntryPoint
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.nodeBuilder(this, buildContext)
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.callback(callback)
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.build()
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}
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NavTarget.VerifySession -> {
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verifySessionEntryPoint.createNode(this, buildContext)
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}
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}
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}
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@Composable
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override fun View(modifier: Modifier) {
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Box(modifier = modifier) {
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Children(
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navModel = backstack,
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modifier = Modifier,
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// Animate navigation to settings and to a room
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transitionHandler = rememberDefaultTransitionHandler(),
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)
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PermanentChild(navTarget = NavTarget.Permanent)
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}
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}
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}
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