Merge pull request #1520 from vector-im/feature/bma/sessionDb

Improve session db and improve deleted session behavior

features/signedout/api/build.gradle.kts

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+plugins {
+    id("io.element.android-library")
+}
+
+android {
+    namespace = "io.element.android.features.signedout.api"
+}
+
+dependencies {
+    implementation(projects.libraries.architecture)
+    implementation(projects.libraries.matrix.api)
+}

features/signedout/api/src/main/kotlin/io/element/android/features/signedout/api/SignedOutEntryPoint.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.signedout.api
+
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import io.element.android.libraries.architecture.FeatureEntryPoint
+import io.element.android.libraries.matrix.api.core.SessionId
+
+interface SignedOutEntryPoint : FeatureEntryPoint {
+
+    data class Params(
+        val sessionId: SessionId,
+    )
+
+    fun nodeBuilder(parentNode: Node, buildContext: BuildContext): NodeBuilder
+
+    interface NodeBuilder {
+        fun params(params: Params): NodeBuilder
+        fun build(): Node
+    }
+}
+

features/signedout/impl/build.gradle.kts

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+plugins {
+    id("io.element.android-compose-library")
+    alias(libs.plugins.anvil)
+    alias(libs.plugins.ksp)
+    id("kotlin-parcelize")
+}
+
+android {
+    namespace = "io.element.android.features.signedout.impl"
+}
+
+anvil {
+    generateDaggerFactories.set(true)
+}
+
+dependencies {
+    implementation(projects.anvilannotations)
+    anvil(projects.anvilcodegen)
+    api(projects.features.signedout.api)
+    implementation(projects.libraries.core)
+    implementation(projects.libraries.architecture)
+    implementation(projects.libraries.matrix.api)
+    implementation(projects.libraries.matrixui)
+    implementation(projects.libraries.designsystem)
+    implementation(projects.libraries.uiStrings)
+
+    testImplementation(libs.test.junit)
+    testImplementation(libs.coroutines.test)
+    testImplementation(libs.molecule.runtime)
+    testImplementation(libs.test.truth)
+    testImplementation(libs.test.turbine)
+    testImplementation(projects.libraries.matrix.test)
+    testImplementation(projects.libraries.sessionStorage.implMemory)
+    testImplementation(projects.tests.testutils)
+
+    ksp(libs.showkase.processor)
+}

features/signedout/impl/src/main/kotlin/io/element/android/features/signedout/impl/DefaultSignedOutEntryPoint.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.signedout.impl
+
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.features.signedout.api.SignedOutEntryPoint
+import io.element.android.libraries.architecture.createNode
+import io.element.android.libraries.di.AppScope
+import javax.inject.Inject
+
+@ContributesBinding(AppScope::class)
+class DefaultSignedOutEntryPoint @Inject constructor() : SignedOutEntryPoint {
+
+    override fun nodeBuilder(parentNode: Node, buildContext: BuildContext): SignedOutEntryPoint.NodeBuilder {
+        val plugins = ArrayList<Plugin>()
+
+        return object : SignedOutEntryPoint.NodeBuilder {
+
+            override fun params(params: SignedOutEntryPoint.Params): SignedOutEntryPoint.NodeBuilder {
+                plugins += SignedOutNode.Inputs(params.sessionId)
+                return this
+            }
+
+            override fun build(): Node {
+                return parentNode.createNode<SignedOutNode>(buildContext, plugins)
+            }
+        }
+    }
+}

features/signedout/impl/src/main/kotlin/io/element/android/features/signedout/impl/SignedOutEvents.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.signedout.impl
+
+sealed interface SignedOutEvents {
+    data object SignInAgain : SignedOutEvents
+}

features/signedout/impl/src/main/kotlin/io/element/android/features/signedout/impl/SignedOutNode.kt

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.signedout.impl
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
+import io.element.android.anvilannotations.ContributesNode
+import io.element.android.libraries.architecture.NodeInputs
+import io.element.android.libraries.architecture.inputs
+import io.element.android.libraries.di.AppScope
+import io.element.android.libraries.matrix.api.core.SessionId
+
+@ContributesNode(AppScope::class)
+class SignedOutNode @AssistedInject constructor(
+    @Assisted buildContext: BuildContext,
+    @Assisted plugins: List<Plugin>,
+    presenterFactory: SignedOutPresenter.Factory,
+) : Node(buildContext, plugins = plugins) {
+
+    data class Inputs(
+        val sessionId: SessionId,
+    ) : NodeInputs
+
+    private val inputs: Inputs = inputs()
+    private val presenter = presenterFactory.create(inputs.sessionId.value)
+
+    @Composable
+    override fun View(modifier: Modifier) {
+        val state = presenter.present()
+        SignedOutView(
+            state = state,
+            modifier = modifier
+        )
+    }
+}

features/signedout/impl/src/main/kotlin/io/element/android/features/signedout/impl/SignedOutPresenter.kt

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.signedout.impl
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedFactory
+import dagger.assisted.AssistedInject
+import io.element.android.libraries.architecture.Presenter
+import io.element.android.libraries.core.meta.BuildMeta
+import io.element.android.libraries.sessionstorage.api.SessionStore
+import kotlinx.coroutines.launch
+
+class SignedOutPresenter @AssistedInject constructor(
+    @Assisted private val sessionId: String, /* Cannot inject SessionId */
+    private val sessionStore: SessionStore,
+    private val buildMeta: BuildMeta,
+) : Presenter<SignedOutState> {
+
+    @AssistedFactory
+    interface Factory {
+        fun create(sessionId: String): SignedOutPresenter
+    }
+
+    @Composable
+    override fun present(): SignedOutState {
+        val sessions by sessionStore.sessionsFlow().collectAsState(initial = emptyList())
+        val signedOutSession by remember {
+            derivedStateOf { sessions.firstOrNull { it.userId == sessionId } }
+        }
+        val coroutineScope = rememberCoroutineScope()
+
+        fun handleEvents(event: SignedOutEvents) {
+            when (event) {
+                SignedOutEvents.SignInAgain -> coroutineScope.launch {
+                    sessionStore.removeSession(sessionId)
+                }
+            }
+        }
+
+        return SignedOutState(
+            appName = buildMeta.applicationName,
+            signedOutSession = signedOutSession,
+            eventSink = ::handleEvents
+        )
+    }
+}

features/signedout/impl/src/main/kotlin/io/element/android/features/signedout/impl/SignedOutState.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.signedout.impl
+
+import io.element.android.libraries.sessionstorage.api.SessionData
+
+// Do not use default value, so no member get forgotten in the presenters.
+data class SignedOutState(
+    val appName: String,
+    val signedOutSession: SessionData?,
+    val eventSink: (SignedOutEvents) -> Unit,
+)

features/signedout/impl/src/main/kotlin/io/element/android/features/signedout/impl/SignedOutStateProvider.kt

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.signedout.impl
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.libraries.sessionstorage.api.LoginType
+import io.element.android.libraries.sessionstorage.api.SessionData
+
+open class SignedOutStateProvider : PreviewParameterProvider<SignedOutState> {
+    override val values: Sequence<SignedOutState>
+        get() = sequenceOf(
+            aSignedOutState(),
+            // Add other states here
+        )
+}
+
+fun aSignedOutState() = SignedOutState(
+    appName = "AppName",
+    signedOutSession = aSessionData(),
+    eventSink = {},
+)
+
+fun aSessionData(
+    sessionId: SessionId = SessionId("@alice:server.org"),
+    isTokenValid: Boolean = false,
+): SessionData {
+    return SessionData(
+        userId = sessionId.value,
+        deviceId = "aDeviceId",
+        accessToken = "anAccessToken",
+        refreshToken = "aRefreshToken",
+        homeserverUrl = "aHomeserverUrl",
+        oidcData = null,
+        slidingSyncProxy = null,
+        loginTimestamp = null,
+        isTokenValid = isTokenValid,
+        loginType = LoginType.UNKNOWN,
+    )
+}

features/signedout/impl/src/main/kotlin/io/element/android/features/signedout/impl/SignedOutView.kt

@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.signedout.impl
+
+import androidx.activity.compose.BackHandler
+import androidx.annotation.DrawableRes
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.imePadding
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.systemBarsPadding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.AccountCircle
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.BiasAlignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.PreviewParameter
+import androidx.compose.ui.unit.dp
+import io.element.android.libraries.designsystem.atomic.molecules.ButtonColumnMolecule
+import io.element.android.libraries.designsystem.atomic.molecules.IconTitleSubtitleMolecule
+import io.element.android.libraries.designsystem.atomic.organisms.InfoListItem
+import io.element.android.libraries.designsystem.atomic.organisms.InfoListOrganism
+import io.element.android.libraries.designsystem.atomic.pages.HeaderFooterPage
+import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.theme.components.Button
+import io.element.android.libraries.designsystem.theme.components.Icon
+import io.element.android.libraries.designsystem.theme.temporaryColorBgSpecial
+import io.element.android.libraries.theme.ElementTheme
+import io.element.android.libraries.ui.strings.CommonStrings
+import kotlinx.collections.immutable.persistentListOf
+
+@Composable
+fun SignedOutView(
+    state: SignedOutState,
+    modifier: Modifier = Modifier,
+) {
+    BackHandler(onBack = { state.eventSink(SignedOutEvents.SignInAgain) })
+    HeaderFooterPage(
+        modifier = modifier
+            .fillMaxSize()
+            .systemBarsPadding()
+            .imePadding(),
+        header = { SignedOutHeader(state) },
+        content = { SignedOutContent() },
+        footer = {
+            SignedOutFooter(
+                onSignInAgain = { state.eventSink(SignedOutEvents.SignInAgain) },
+            )
+        }
+    )
+}
+
+@Composable
+private fun SignedOutHeader(state: SignedOutState) {
+    IconTitleSubtitleMolecule(
+        modifier = Modifier.padding(top = 60.dp, bottom = 12.dp),
+        title = stringResource(id = R.string.screen_signed_out_title),
+        subTitle = stringResource(id = R.string.screen_signed_out_subtitle, state.appName),
+        iconImageVector = Icons.Filled.AccountCircle,
+        iconTint = ElementTheme.colors.iconSecondary,
+    )
+}
+
+@Composable
+private fun SignedOutContent(
+    modifier: Modifier = Modifier,
+) {
+    Box(
+        modifier = modifier.fillMaxSize(),
+        contentAlignment = BiasAlignment(
+            horizontalBias = 0f,
+            verticalBias = -0.4f
+        )
+    ) {
+        InfoListOrganism(
+            items = persistentListOf(
+                InfoListItem(
+                    message = stringResource(id = R.string.screen_signed_out_reason_1),
+                    iconComposable = { Icon(R.drawable.ic_lock_outline) },
+                ),
+                InfoListItem(
+                    message = stringResource(id = R.string.screen_signed_out_reason_2),
+                    iconComposable = { Icon(R.drawable.ic_devices) },
+                ),
+                InfoListItem(
+                    message = stringResource(id = R.string.screen_signed_out_reason_3),
+                    iconComposable = { Icon(R.drawable.ic_do_disturb_alt) },
+                ),
+            ),
+            textStyle = ElementTheme.typography.fontBodyMdMedium,
+            iconTint = ElementTheme.colors.textPrimary,
+            backgroundColor = ElementTheme.colors.temporaryColorBgSpecial
+        )
+    }
+}
+
+@Composable
+private fun Icon(
+    @DrawableRes iconResourceId: Int,
+    modifier: Modifier = Modifier,
+) {
+    Icon(
+        modifier = modifier
+            .size(20.dp),
+        resourceId = iconResourceId,
+        contentDescription = null,
+        tint = ElementTheme.colors.iconSecondary,
+    )
+}
+
+@Composable
+private fun SignedOutFooter(
+    modifier: Modifier = Modifier,
+    onSignInAgain: () -> Unit,
+) {
+    ButtonColumnMolecule(
+        modifier = modifier,
+    ) {
+        Button(
+            text = stringResource(id = CommonStrings.action_sign_in_again),
+            onClick = onSignInAgain,
+            modifier = Modifier.fillMaxWidth(),
+        )
+    }
+}
+
+@PreviewsDayNight
+@Composable
+internal fun SignedOutViewPreview(
+    @PreviewParameter(SignedOutStateProvider::class) state: SignedOutState,
+) = ElementPreview {
+    SignedOutView(
+        state = state,
+    )
+}

features/signedout/impl/src/main/res/drawable/ic_devices.xml

@@ -0,0 +1,29 @@
+<!--
+  ~ Copyright (c) 2023 New Vector Ltd
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="20dp"
+    android:viewportWidth="20"
+    android:viewportHeight="20">
+  <group>
+    <clip-path
+        android:pathData="M0,0h20v20h-20z"/>
+    <path
+        android:pathData="M3.333,5.833C3.333,5.375 3.708,5 4.167,5H17.5C17.958,5 18.333,4.625 18.333,4.167C18.333,3.708 17.958,3.333 17.5,3.333H3.333C2.417,3.333 1.667,4.083 1.667,5V14.167H1.25C0.558,14.167 0,14.725 0,15.417C0,16.108 0.558,16.667 1.25,16.667H11.667V14.167H3.333V5.833ZM19.167,6.667H14.167C13.708,6.667 13.333,7.042 13.333,7.5V15.833C13.333,16.292 13.708,16.667 14.167,16.667H19.167C19.625,16.667 20,16.292 20,15.833V7.5C20,7.042 19.625,6.667 19.167,6.667ZM18.333,14.167H15V8.333H18.333V14.167Z"
+        android:fillColor="@android:color/white"/>
+  </group>
+</vector>

features/signedout/impl/src/main/res/drawable/ic_do_disturb_alt.xml

@@ -0,0 +1,29 @@
+<!--
+  ~ Copyright (c) 2023 New Vector Ltd
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="20dp"
+    android:viewportWidth="20"
+    android:viewportHeight="20">
+  <group>
+    <clip-path
+        android:pathData="M0,0h20v20h-20z"/>
+    <path
+        android:pathData="M10,1.667C5.417,1.667 1.666,5.417 1.666,10C1.666,14.583 5.417,18.333 10,18.333C14.583,18.333 18.333,14.583 18.333,10C18.333,5.417 14.583,1.667 10,1.667ZM3.333,10C3.333,6.333 6.333,3.333 10,3.333C11.5,3.333 12.917,3.833 14.083,4.75L4.75,14.083C3.833,12.917 3.333,11.5 3.333,10ZM10,16.667C8.5,16.667 7.083,16.167 5.917,15.25L15.25,5.917C16.167,7.083 16.667,8.5 16.667,10C16.667,13.667 13.667,16.667 10,16.667Z"
+        android:fillColor="@android:color/white"/>
+  </group>
+</vector>

features/signedout/impl/src/main/res/drawable/ic_lock_outline.xml

@@ -0,0 +1,29 @@
+<!--
+  ~ Copyright (c) 2023 New Vector Ltd
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="20dp"
+    android:viewportWidth="20"
+    android:viewportHeight="20">
+  <group>
+    <clip-path
+        android:pathData="M0,0h20v20h-20z"/>
+    <path
+        android:pathData="M15,6.667H14.167V5C14.167,2.7 12.3,0.833 10,0.833C7.7,0.833 5.833,2.7 5.833,5V6.667H5C4.083,6.667 3.333,7.417 3.333,8.333V16.667C3.333,17.583 4.083,18.333 5,18.333H15C15.917,18.333 16.667,17.583 16.667,16.667V8.333C16.667,7.417 15.917,6.667 15,6.667ZM7.5,5C7.5,3.617 8.617,2.5 10,2.5C11.384,2.5 12.5,3.617 12.5,5V6.667H7.5V5ZM14.167,16.667H5.833C5.375,16.667 5,16.292 5,15.833V9.167C5,8.708 5.375,8.333 5.833,8.333H14.167C14.625,8.333 15,8.708 15,9.167V15.833C15,16.292 14.625,16.667 14.167,16.667ZM10,14.167C10.917,14.167 11.667,13.417 11.667,12.5C11.667,11.583 10.917,10.833 10,10.833C9.083,10.833 8.333,11.583 8.333,12.5C8.333,13.417 9.083,14.167 10,14.167Z"
+        android:fillColor="@android:color/white"/>
+  </group>
+</vector>

features/signedout/impl/src/main/res/values/localazy.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+  <string name="screen_signed_out_reason_1">"You’ve changed your password on another session"</string>
+  <string name="screen_signed_out_reason_2">"You have deleted the session from another session"</string>
+  <string name="screen_signed_out_reason_3">"Your server’s administrator has invalidated your access"</string>
+  <string name="screen_signed_out_subtitle">"You might have been signed out for one of the reasons listed below. Please sign in again to continue using %s."</string>
+  <string name="screen_signed_out_title">"You’re signed out"</string>
+</resources>

features/signedout/impl/src/test/kotlin/io/element/android/features/signedout/impl/SignedOutPresenterTest.kt

@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.signedout.impl
+
+import app.cash.molecule.RecompositionMode
+import app.cash.molecule.moleculeFlow
+import app.cash.turbine.test
+import com.google.common.truth.Truth.assertThat
+import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.libraries.matrix.test.A_SESSION_ID
+import io.element.android.libraries.matrix.test.core.aBuildMeta
+import io.element.android.libraries.sessionstorage.api.SessionStore
+import io.element.android.libraries.sessionstorage.impl.memory.InMemorySessionStore
+import io.element.android.tests.testutils.WarmUpRule
+import kotlinx.coroutines.test.runTest
+import org.junit.Rule
+import org.junit.Test
+
+class SignedOutPresenterTest {
+    @get:Rule
+    val warmUpRule = WarmUpRule()
+
+    private val appName = "AppName"
+
+    @Test
+    fun `present - initial state`() = runTest {
+        val aSessionData = aSessionData()
+        val sessionStore = InMemorySessionStore().apply {
+            storeData(aSessionData)
+        }
+        val presenter = createSignedOutPresenter(sessionStore = sessionStore)
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            skipItems(1)
+            val initialState = awaitItem()
+            assertThat(initialState.appName).isEqualTo(appName)
+            assertThat(initialState.signedOutSession).isEqualTo(aSessionData)
+        }
+    }
+
+    @Test
+    fun `present - sign in again`() = runTest {
+        val aSessionData = aSessionData()
+        val sessionStore = InMemorySessionStore().apply {
+            storeData(aSessionData)
+        }
+        val presenter = createSignedOutPresenter(sessionStore = sessionStore)
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            skipItems(1)
+            val initialState = awaitItem()
+            assertThat(initialState.signedOutSession).isEqualTo(aSessionData)
+            assertThat(sessionStore.getAllSessions()).isNotEmpty()
+            initialState.eventSink(SignedOutEvents.SignInAgain)
+            assertThat(awaitItem().signedOutSession).isNull()
+            assertThat(sessionStore.getAllSessions()).isEmpty()
+        }
+    }
+
+    private fun createSignedOutPresenter(
+        sessionId: SessionId = A_SESSION_ID,
+        sessionStore: SessionStore = InMemorySessionStore(),
+    ): SignedOutPresenter {
+        return SignedOutPresenter(
+            sessionId = sessionId.value,
+            sessionStore = sessionStore,
+            buildMeta = aBuildMeta(applicationName = appName),
+        )
+    }
+}