Add missing preview on LoginModeView

Author: bmarty

features/login/impl/src/main/kotlin/io/element/android/features/login/impl/error/ChangeServerErrorProvider.kt

@@ -0,0 +1,32 @@
+/*
+ * 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.login.impl.error
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import io.element.android.features.login.impl.R
+
+class ChangeServerErrorProvider : PreviewParameterProvider<ChangeServerError> {
+    override val values: Sequence<ChangeServerError>
+        get() = sequenceOf(
+            ChangeServerError.Error(
+                messageId = R.string.screen_change_server_error_invalid_homeserver,
+            ),
+            ChangeServerError.Error(
+                messageStr = "An error description",
+            ),
+            ChangeServerError.NeedElementPro(
+                unauthorisedAccountProviderTitle = "element.io",
+                applicationId = "io.element.enterprise",
+            ),
+            ChangeServerError.UnauthorizedAccountProvider(
+                unauthorisedAccountProviderTitle = "element.io",
+                authorisedAccountProviderTitles = listOf("provider.org", "provider.io"),
+            ),
+            ChangeServerError.SlidingSyncAlert,
+        )
+}

features/login/impl/src/main/kotlin/io/element/android/features/login/impl/login/LoginModeView.kt

@@ -10,14 +10,18 @@ package io.element.android.features.login.impl.login
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.PreviewParameter
 import io.element.android.features.login.impl.R
 import io.element.android.features.login.impl.dialogs.SlidingSyncNotSupportedDialog
 import io.element.android.features.login.impl.error.ChangeServerError
+import io.element.android.features.login.impl.error.ChangeServerErrorProvider
 import io.element.android.features.login.impl.screens.createaccount.AccountCreationNotSupported
 import io.element.android.libraries.androidutils.system.openGooglePlay
 import io.element.android.libraries.architecture.AsyncData
 import io.element.android.libraries.designsystem.components.dialogs.ConfirmationDialog
 import io.element.android.libraries.designsystem.components.dialogs.ErrorDialog
+import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
 import io.element.android.libraries.designsystem.theme.LocalBuildMeta
 import io.element.android.libraries.matrix.api.auth.OidcDetails
 import io.element.android.libraries.ui.strings.CommonStrings
@@ -106,3 +110,18 @@ fun LoginModeView(
         AsyncData.Uninitialized -> Unit
     }
 }
+
+@PreviewsDayNight
+@Composable
+internal fun LoginModeViewPreview(@PreviewParameter(ChangeServerErrorProvider::class) error: ChangeServerError) {
+    ElementPreview {
+        LoginModeView(
+            loginMode = AsyncData.Failure(error),
+            onClearError = {},
+            onLearnMoreClick = {},
+            onOidcDetails = {},
+            onNeedLoginPassword = {},
+            onCreateAccountContinue = {}
+        )
+    }
+}