Simple layout for unselectable folders

app/src/main/java/eu/faircode/email/AdapterFolder.java

@@ -158,7 +158,6 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
         }
 
         private void bindTo(final TupleFolderEx folder) {
-            view.setEnabled(folder.selectable);
             view.setActivated(folder.tbc != null || folder.tbd != null);
             view.setAlpha(folder.hide || !folder.selectable || disabledIds.contains(folder.id)
                     ? Helper.LOW_LIGHT : 1.0f);
@@ -197,7 +196,8 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
                         folder.synchronize || folder.state != null || folder.sync_state != null
                                 ? View.VISIBLE : View.INVISIBLE);
 
-                ivReadOnly.setVisibility(folder.read_only ? View.VISIBLE : View.GONE);
+                if (folder.selectable)
+                    ivReadOnly.setVisibility(folder.read_only ? View.VISIBLE : View.GONE);
             }
 
             ViewGroup.LayoutParams lp = vwLevel.getLayoutParams();
@@ -210,7 +210,7 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
                     : folder.child_refs != null && folder.child_refs.size() > 0
                     ? View.VISIBLE : View.INVISIBLE);
 
-            if (listener == null) {
+            if (listener == null && folder.selectable) {
                 ivUnified.setVisibility(account > 0 && folder.unified ? View.VISIBLE : View.GONE);
                 ivSubscribed.setVisibility(subscriptions && folder.subscribed != null && folder.subscribed ? View.VISIBLE : View.GONE);
                 ivRule.setVisibility(folder.rules > 0 ? View.VISIBLE : View.GONE);
@@ -227,7 +227,7 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
             tvName.setTypeface(folder.unseen > 0 ? Typeface.DEFAULT_BOLD : Typeface.DEFAULT);
             tvName.setTextColor(folder.unseen > 0 ? colorUnread : textColorSecondary);
 
-            if (listener == null) {
+            if (listener == null && folder.selectable) {
                 StringBuilder sb = new StringBuilder();
                 if (folder.account == null)
                     sb.append(nf.format(folder.messages));
@@ -242,9 +242,10 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
                         ? R.drawable.baseline_mail_24 : R.drawable.baseline_mail_outline_24);
             }
 
-            ivType.setImageResource(EntityFolder.getIcon(folder.type));
+            if (folder.selectable)
+                ivType.setImageResource(EntityFolder.getIcon(folder.type));
 
-            if (listener == null) {
+            if (listener == null && folder.selectable) {
                 if (account < 0)
                     tvType.setText(folder.accountName);
                 else {
@@ -813,12 +814,18 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
         return items.size();
     }
 
+    @Override
+    public int getItemViewType(int position) {
+        if (listener == null) {
+            return (items.get(position).selectable ? R.layout.item_folder : R.layout.item_folder_unselectable);
+        } else
+            return R.layout.item_folder_select;
+    }
+
     @Override
     @NonNull
     public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        return new ViewHolder(inflater.inflate(
+        return new ViewHolder(inflater.inflate(viewType, parent, false));
-                listener == null ? R.layout.item_folder : R.layout.item_folder_select,
-                parent, false));
     }
 
     @Override

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

@@ -22,24 +22,24 @@
         <ImageView
             android:id="@+id/ivExpander"
             android:layout_width="36dp"
-            android:layout_height="wrap_content"
+            android:layout_height="0dp"
             android:layout_gravity="center_vertical|center_horizontal"
             android:contentDescription="@string/title_legend_expander"
             android:padding="6dp"
-            app:srcCompat="@drawable/expander"
+            app:layout_constraintDimensionRatio="1:1"
-            app:layout_constraintBottom_toBottomOf="@+id/tvName"
             app:layout_constraintStart_toEndOf="@+id/vwLevel"
-            app:layout_constraintTop_toTopOf="@+id/tvName" />
+            app:layout_constraintTop_toTopOf="parent"
+            app:srcCompat="@drawable/expander" />
 
         <ImageView
             android:id="@+id/ivType"
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:contentDescription="@string/title_legend_folder_type"
-            app:srcCompat="@drawable/baseline_inbox_24"
+            app:layout_constraintBottom_toBottomOf="@id/ivExpander"
-            app:layout_constraintBottom_toBottomOf="@+id/tvName"
+            app:layout_constraintStart_toEndOf="@id/ivExpander"
-            app:layout_constraintStart_toEndOf="@+id/ivExpander"
+            app:layout_constraintTop_toTopOf="@id/ivExpander"
-            app:layout_constraintTop_toTopOf="@+id/tvName" />
+            app:srcCompat="@drawable/baseline_inbox_24" />
 
         <TextView
             android:id="@+id/tvName"
@@ -52,8 +52,9 @@
             android:singleLine="true"
             android:text="Name"
             android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+            app:layout_constraintBottom_toBottomOf="@id/ivExpander"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toEndOf="@id/ivType"
-            app:layout_constraintTop_toTopOf="parent" />
+            app:layout_constraintTop_toTopOf="@id/ivExpander" />
     </androidx.constraintlayout.widget.ConstraintLayout>
 </FrameLayout>

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

@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/clItem"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <View
+            android:id="@+id/vwColor"
+            android:layout_width="6dp"
+            android:layout_height="0dp"
+            android:background="@color/colorAccent"
+            app:layout_constraintBottom_toBottomOf="@+id/paddingBottom"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <ImageView
+            android:id="@+id/ivState"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_connection_state"
+            android:visibility="invisible"
+            app:layout_constraintBottom_toBottomOf="@+id/tvName"
+            app:layout_constraintStart_toEndOf="@id/vwColor"
+            app:layout_constraintTop_toTopOf="@+id/tvName"
+            app:srcCompat="@drawable/baseline_cloud_off_24" />
+
+        <View
+            android:id="@+id/vwLevel"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            app:layout_constraintBottom_toBottomOf="@+id/tvKeywords"
+            app:layout_constraintStart_toEndOf="@id/ivState"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <ImageView
+            android:id="@+id/ivExpander"
+            android:layout_width="wrap_content"
+            android:layout_height="0dp"
+            android:layout_gravity="center_vertical|center_horizontal"
+            android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/title_legend_expander"
+            android:paddingStart="12dp"
+            android:paddingEnd="12dp"
+            app:layout_constraintBottom_toBottomOf="@+id/paddingBottom"
+            app:layout_constraintStart_toEndOf="@+id/vwLevel"
+            app:layout_constraintTop_toTopOf="parent"
+            app:srcCompat="@drawable/expander" />
+
+
+        <TextView
+            android:id="@+id/tvName"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="6dp"
+            android:layout_marginEnd="6dp"
+            android:ellipsize="end"
+            android:gravity="center_vertical"
+            android:minHeight="24dp"
+            android:singleLine="true"
+            android:text="Name"
+            android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@id/ivExpander"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <View
+            android:id="@+id/paddingBottom"
+            android:layout_width="match_parent"
+            android:layout_height="6dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvName" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</FrameLayout>