Always show Nextcloud as an option, offer to install or set up account

Outside of SetupWizard restore, we don't offer to set up an account,
because we don't know if one already exists and the app was locked with
a passcode.

app/src/main/java/com/stevesoltys/seedvault/ui/storage/StorageRootFetcher.kt

@@ -173,9 +173,17 @@ internal class StorageRootFetcher(private val context: Context, private val isRe
         roots.add(root)
     }
 
+    /**
+     * This adds a fake Nextcloud entry if no real one was found.
+     *
+     * If Nextcloud is *not* installed,
+     * the user will always have the option to install it by clicking the entry.
+     *
+     * If it *is* installed and this is restore, the user can set up a new account by clicking.
+     * If this isn't restore, the entry will be disabled,
+     * because we don't know if there's no account or an activated passcode.
+     */
     private fun checkOrAddNextCloudRoot(roots: ArrayList<StorageRoot>) {
-        if (!isRestore) return
-
         for (root in roots) {
             // return if we already have a NextCloud storage root
             if (root.authority == AUTHORITY_NEXTCLOUD) return
@@ -188,16 +196,20 @@ internal class StorageRootFetcher(private val context: Context, private val isRe
             putExtra("onlyAdd", true)
         }
         val isInstalled = packageManager.resolveActivity(intent, 0) != null
+        val summaryRes = if (isInstalled) {
+            if (isRestore) R.string.storage_fake_nextcloud_summary_installed
+            else R.string.storage_fake_nextcloud_summary_unavailable
+        } else R.string.storage_fake_nextcloud_summary
         val root = StorageRoot(
                 authority = AUTHORITY_NEXTCLOUD,
                 rootId = "fake",
                 documentId = "fake",
                 icon = getIcon(context, AUTHORITY_NEXTCLOUD, "fake", 0),
                 title = context.getString(R.string.storage_fake_nextcloud_title),
-                summary = context.getString(if (isInstalled) R.string.storage_fake_nextcloud_summary_installed else R.string.storage_fake_nextcloud_summary),
+                summary = context.getString(summaryRes),
                 availableBytes = null,
                 isUsb = false,
-                enabled = true,
+                enabled = !isInstalled || isRestore,
                 overrideClickListener = {
                     if (isInstalled) context.startActivity(intent)
                     else {

app/src/main/res/layout/list_item_storage_root.xml

@@ -25,7 +25,9 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
         android:layout_marginTop="16dp"
+        android:layout_marginEnd="16dp"
         android:textColor="?android:attr/textColorPrimary"
+        app:layout_constrainedWidth="true"
         app:layout_constraintBottom_toTopOf="@+id/summaryView"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0.0"
@@ -39,9 +41,11 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="8dp"
+        android:layout_marginEnd="16dp"
         android:layout_marginBottom="16dp"
         android:textColor="?android:attr/textColorTertiary"
         android:textSize="12sp"
+        app:layout_constrainedWidth="true"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0.0"

app/src/main/res/values/strings.xml

@@ -40,6 +40,7 @@
     <string name="storage_fake_nextcloud_title" translatable="false">Nextcloud</string>
     <string name="storage_fake_nextcloud_summary">Click to install</string>
     <string name="storage_fake_nextcloud_summary_installed">Click to set up account</string>
+    <string name="storage_fake_nextcloud_summary_unavailable">Account not available. Set one up (or disable passcode).</string>
     <string name="storage_check_fragment_backup_title">Initializing backup location…</string>
     <string name="storage_check_fragment_restore_title">Looking for backups…</string>
     <string name="storage_check_fragment_backup_error">An error occurred while accessing the backup location.</string>