Automatic list layout

app/src/main/java/org/schabi/newpipe/fragments/list/BaseListFragment.java

@@ -4,6 +4,7 @@ import android.app.Activity;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.SharedPreferences;
+import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
@@ -84,8 +85,7 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
 
         if (updateFlags != 0) {
             if ((updateFlags & LIST_MODE_UPDATE_FLAG) != 0) {
-                final String list_key = getString(R.string.list_view_mode_value);
+                final boolean useGrid = isGridLayout();
-                final boolean useGrid = !list_key.equals(PreferenceManager.getDefaultSharedPreferences(activity).getString(getString(R.string.list_view_mode_key), list_key));
                 itemsList.setLayoutManager(useGrid ? getGridLayoutManager() : getListLayoutManager());
                 infoListAdapter.setGridItemVariants(useGrid);
                 infoListAdapter.notifyDataSetChanged();
@@ -160,9 +160,7 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
     protected void initViews(View rootView, Bundle savedInstanceState) {
         super.initViews(rootView, savedInstanceState);
 
-        final String list_key = getString(R.string.list_view_mode_value);
+        final boolean useGrid = isGridLayout();
-        final boolean useGrid = !list_key.equals(PreferenceManager.getDefaultSharedPreferences(activity).getString(getString(R.string.list_view_mode_key), list_key));
-
         itemsList = rootView.findViewById(R.id.items_list);
         itemsList.setLayoutManager(useGrid ? getGridLayoutManager() : getListLayoutManager());
 
@@ -363,4 +361,15 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
             updateFlags |= LIST_MODE_UPDATE_FLAG;
         }
     }
+
+    protected boolean isGridLayout() {
+        final String list_mode = PreferenceManager.getDefaultSharedPreferences(activity).getString(getString(R.string.list_view_mode_key), getString(R.string.list_view_mode_value));
+        if ("auto".equals(list_mode)) {
+            final Configuration configuration = getResources().getConfiguration();
+            return configuration.orientation == Configuration.ORIENTATION_LANDSCAPE
+                    && configuration.isLayoutSizeAtLeast(Configuration.SCREENLAYOUT_SIZE_LARGE);
+        } else {
+            return "grid".equals(list_mode);
+        }
+    }
 }

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

@@ -501,5 +501,6 @@
     <string name="list_view_mode">Вид списка</string>
     <string name="list">Список</string>
     <string name="grid">Сетка</string>
+	<string name="auto">Автоматически</string>
 
 </resources>

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

@@ -892,13 +892,15 @@
     </string-array>
 
     <string name="list_view_mode_key" translatable="false">list_view_mode</string>
-    <string name="list_view_mode_value" translatable="false">list</string>
+    <string name="list_view_mode_value" translatable="false">auto</string>
 
     <string-array name="list_view_mode_values" translatable="false">
+        <item>auto</item>
         <item>list</item>
         <item>grid</item>
     </string-array>
     <string-array name="list_view_mode_description" translatable="false">
+        <item>@string/auto</item>
         <item>@string/list</item>
         <item>@string/grid</item>
     </string-array>

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

@@ -517,5 +517,6 @@
 	<string name="list_view_mode">List view mode</string>
     <string name="list">List</string>
     <string name="grid">Grid</string>
+	<string name="auto">Auto</string>
 
 </resources>