Deduplicate isGridLayout calls

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

@@ -5,7 +5,6 @@ import static org.schabi.newpipe.ktx.ViewUtils.animateHideRecyclerViewAllowingSc
 
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.os.Bundle;
 import android.util.Log;
@@ -31,6 +30,7 @@ import org.schabi.newpipe.info_list.dialog.InfoItemDialog;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.OnClickGesture;
 import org.schabi.newpipe.util.StateSaver;
+import org.schabi.newpipe.util.ThemeHelper;
 import org.schabi.newpipe.views.SuperScrollLayoutManager;
 
 import java.util.List;
@@ -476,15 +476,6 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I>
     }
 
     protected boolean isGridLayout() {
-        final String listMode = PreferenceManager.getDefaultSharedPreferences(activity)
+        return ThemeHelper.shouldUseGridLayout(activity);
-                .getString(getString(R.string.list_view_mode_key),
-                        getString(R.string.list_view_mode_value));
-        if ("auto".equals(listMode)) {
-            final Configuration configuration = getResources().getConfiguration();
-            return configuration.orientation == Configuration.ORIENTATION_LANDSCAPE
-                    && configuration.isLayoutSizeAtLeast(Configuration.SCREENLAYOUT_SIZE_LARGE);
-        } else {
-            return "grid".equals(listMode);
-        }
     }
 }

app/src/main/java/org/schabi/newpipe/local/subscription/SubscriptionViewModel.kt

@@ -1,21 +1,19 @@
 package org.schabi.newpipe.local.subscription
 
 import android.app.Application
-import android.content.res.Configuration
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
-import androidx.preference.PreferenceManager
 import com.xwray.groupie.Group
 import io.reactivex.rxjava3.core.Flowable
 import io.reactivex.rxjava3.processors.BehaviorProcessor
 import io.reactivex.rxjava3.schedulers.Schedulers
-import org.schabi.newpipe.R
 import org.schabi.newpipe.local.feed.FeedDatabaseManager
 import org.schabi.newpipe.local.subscription.item.ChannelItem
 import org.schabi.newpipe.local.subscription.item.FeedGroupCardGridItem
 import org.schabi.newpipe.local.subscription.item.FeedGroupCardItem
 import org.schabi.newpipe.util.DEFAULT_THROTTLE_TIMEOUT
+import org.schabi.newpipe.util.ThemeHelper
 import java.util.concurrent.TimeUnit
 
 class SubscriptionViewModel(application: Application) : AndroidViewModel(application) {
@@ -23,7 +21,9 @@ class SubscriptionViewModel(application: Application) : AndroidViewModel(applica
     private var subscriptionManager = SubscriptionManager(application)
 
     // true -> list view, false -> grid view
-    private val listViewMode = BehaviorProcessor.createDefault(!isGridLayout(application))
+    private val listViewMode = BehaviorProcessor.createDefault(
+        !ThemeHelper.shouldUseGridLayout(application)
+    )
     private val listViewModeFlowable = listViewMode.distinctUntilChanged()
 
     private val mutableStateLiveData = MutableLiveData<SubscriptionState>()
@@ -74,24 +74,4 @@ class SubscriptionViewModel(application: Application) : AndroidViewModel(applica
         data class LoadedState(val subscriptions: List<Group>) : SubscriptionState()
         data class ErrorState(val error: Throwable? = null) : SubscriptionState()
     }
-
-    companion object {
-        private fun isGridLayout(application: Application): Boolean {
-            val listMode = PreferenceManager.getDefaultSharedPreferences(application)
-                .getString(
-                    application.getString(R.string.list_view_mode_key),
-                    application.getString(R.string.list_view_mode_value)
-                )
-
-            return if ("auto" == listMode) {
-                val configuration: Configuration = application.resources.configuration
-                (
-                    configuration.orientation == Configuration.ORIENTATION_LANDSCAPE &&
-                        configuration.isLayoutSizeAtLeast(Configuration.SCREENLAYOUT_SIZE_LARGE)
-                    )
-            } else {
-                "grid" == listMode
-            }
-        }
-    }
 }

app/src/main/java/org/schabi/newpipe/util/ThemeHelper.java

@@ -349,7 +349,7 @@ public final class ThemeHelper {
             return false;
         } else if (listMode.equals(context.getString(R.string.list_view_mode_grid_key))) {
             return true;
-        } else {
+        } else /* listMode.equals("auto") */ {
             final Configuration configuration = context.getResources().getConfiguration();
             return configuration.orientation == Configuration.ORIENTATION_LANDSCAPE
                     && configuration.isLayoutSizeAtLeast(Configuration.SCREENLAYOUT_SIZE_LARGE);