Add a way to override default homeserver.

Author: bmarty

appconfig/src/main/kotlin/io/element/android/appconfig/AuthenticationConfig.kt

@@ -10,11 +10,6 @@ package io.element.android.appconfig
 object AuthenticationConfig {
     const val MATRIX_ORG_URL = "https://matrix.org"
 
-    /**
-     * Default homeserver url to sign in with, unless the user selects a different one.
-     */
-    const val DEFAULT_HOMESERVER_URL = MATRIX_ORG_URL
-
     /**
      * URL with some docs that explain what's sliding sync and how to add it to your home server.
      */

enterprise

@@ -13,6 +13,7 @@ import io.element.android.libraries.matrix.api.core.SessionId
 interface EnterpriseService {
     val isEnterpriseBuild: Boolean
     suspend fun isEnterpriseUser(sessionId: SessionId): Boolean
+    fun defaultHomeserver(): String?
 
     fun semanticColorsLight(): SemanticColors
     fun semanticColorsDark(): SemanticColors

features/enterprise/api/src/main/kotlin/io/element/android/features/enterprise/api/EnterpriseService.kt

@@ -22,6 +22,8 @@ class DefaultEnterpriseService @Inject constructor() : EnterpriseService {
 
     override suspend fun isEnterpriseUser(sessionId: SessionId) = false
 
+    override fun defaultHomeserver() = null
+
     override fun semanticColorsLight(): SemanticColors = compoundColorsLight
 
     override fun semanticColorsDark(): SemanticColors = compoundColorsDark

features/enterprise/impl/src/main/kotlin/io/element/android/features/enterprise/impl/DefaultEnterpriseService.kt

@@ -19,6 +19,12 @@ class DefaultEnterpriseServiceTest {
         assertThat(defaultEnterpriseService.isEnterpriseBuild).isFalse()
     }
 
+    @Test
+    fun `defaultHomeserver should return null`() {
+        val defaultEnterpriseService = DefaultEnterpriseService()
+        assertThat<String?>(defaultEnterpriseService.defaultHomeserver()).isNull()
+    }
+
     @Test
     fun `isEnterpriseUser always return false`() = runTest {
         val defaultEnterpriseService = DefaultEnterpriseService()

features/enterprise/impl/src/test/kotlin/io/element/android/features/enterprise/impl/DefaultEnterpriseServiceTest.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+plugins {
+    id("io.element.android-library")
+}
+
+android {
+    namespace = "io.element.android.features.enterprise.test"
+}
+
+dependencies {
+    api(projects.features.enterprise.api)
+    implementation(libs.compound)
+    implementation(projects.libraries.matrix.api)
+    implementation(projects.tests.testutils)
+}

features/enterprise/test/build.gradle.kts

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.features.enterprise.test
+
+import io.element.android.compound.tokens.generated.SemanticColors
+import io.element.android.features.enterprise.api.EnterpriseService
+import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.tests.testutils.lambda.lambdaError
+import io.element.android.tests.testutils.simulateLongTask
+
+class FakeEnterpriseService(
+    override val isEnterpriseBuild: Boolean = false,
+    private val isEnterpriseUserResult: (SessionId) -> Boolean = { lambdaError() },
+    private val defaultHomeserverResult: () -> String? = { A_FAKE_HOMESERVER },
+    private val semanticColorsLightResult: () -> SemanticColors = { lambdaError() },
+    private val semanticColorsDarkResult: () -> SemanticColors = { lambdaError() },
+) : EnterpriseService {
+    override suspend fun isEnterpriseUser(sessionId: SessionId): Boolean = simulateLongTask {
+        isEnterpriseUserResult(sessionId)
+    }
+
+    override fun defaultHomeserver(): String? {
+        return defaultHomeserverResult()
+    }
+
+    override fun semanticColorsLight(): SemanticColors {
+        return semanticColorsLightResult()
+    }
+
+    override fun semanticColorsDark(): SemanticColors {
+        return semanticColorsDarkResult()
+    }
+
+    companion object {
+        const val A_FAKE_HOMESERVER = "a_fake_homeserver"
+    }
+}

features/enterprise/test/src/main/kotlin/io/element/android/features/enterprise/test/FakeEnterpriseService.kt

@@ -28,6 +28,7 @@ setupAnvil(componentMergingStrategy = ComponentMergingStrategy.KSP)
 
 dependencies {
     implementation(projects.appconfig)
+    implementation(projects.features.enterprise.api)
     implementation(projects.libraries.core)
     implementation(projects.libraries.androidutils)
     implementation(projects.libraries.architecture)
@@ -55,6 +56,7 @@ dependencies {
     testImplementation(libs.test.robolectric)
     testImplementation(libs.test.truth)
     testImplementation(libs.test.turbine)
+    testImplementation(projects.features.enterprise.test)
     testImplementation(projects.libraries.matrix.test)
     testImplementation(projects.libraries.oidc.impl)
     testImplementation(projects.libraries.permissions.test)

features/login/impl/build.gradle.kts

@@ -7,7 +7,8 @@
 
 package io.element.android.features.login.impl.accountprovider
 
-import io.element.android.features.login.impl.util.defaultAccountProvider
+import io.element.android.appconfig.AuthenticationConfig
+import io.element.android.features.enterprise.api.EnterpriseService
 import io.element.android.libraries.di.AppScope
 import io.element.android.libraries.di.SingleIn
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -16,7 +17,18 @@ import kotlinx.coroutines.flow.asStateFlow
 import javax.inject.Inject
 
 @SingleIn(AppScope::class)
-class AccountProviderDataSource @Inject constructor() {
+class AccountProviderDataSource @Inject constructor(
+    enterpriseService: EnterpriseService,
+) {
+    private val defaultAccountProvider = (enterpriseService.defaultHomeserver() ?: AuthenticationConfig.MATRIX_ORG_URL).let { url ->
+        AccountProvider(
+            url = url,
+            subtitle = null,
+            isPublic = url == AuthenticationConfig.MATRIX_ORG_URL,
+            isMatrixOrg = url == AuthenticationConfig.MATRIX_ORG_URL,
+        )
+    }
+
     private val accountProvider: MutableStateFlow<AccountProvider> = MutableStateFlow(
         defaultAccountProvider
     )