implement ability to ignore back-queue for main view

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -161,6 +161,9 @@ public final class VideoDetailFragment
     private boolean showComments;
     private boolean showRelatedItems;
     private boolean showDescription;
+
+    private boolean ignoreQueue;
+
     private String selectedTabTag;
     @AttrRes @NonNull final List<Integer> tabIcons = new ArrayList<>();
     @StringRes @NonNull final List<Integer> tabContentDescriptions = new ArrayList<>();
@@ -288,6 +291,10 @@ public void onCreate(final Bundle savedInstanceState) {
         showComments = prefs.getBoolean(getString(R.string.show_comments_key), true);
         showRelatedItems = prefs.getBoolean(getString(R.string.show_next_video_key), true);
         showDescription = prefs.getBoolean(getString(R.string.show_description_key), true);
+        ignoreQueue = prefs.getBoolean(
+                getString(R.string.enable_ignore_backstack_key),
+                DeviceUtils.isTv(activity)
+        );
         selectedTabTag = prefs.getString(
                 getString(R.string.stream_info_selected_tab_key), COMMENTS_TAB_TAG);
         prefs.registerOnSharedPreferenceChangeListener(this);
@@ -782,6 +789,11 @@ public boolean onBackPressed() {
             return true;
         }
 
+        // when queue should be ignored, directly skip checks and let MainActivity handle everything
+        if (ignoreQueue) {
+            return false;
+        }
+
         // If we have something in history of played items we replay it here
         if (isPlayerAvailable()
                 && player.getPlayQueue() != null

app/src/main/java/org/schabi/newpipe/settings/HistorySettingsFragment.java

@@ -1,12 +1,16 @@
 package org.schabi.newpipe.settings;
 
+import android.app.Activity;
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.SwitchPreferenceCompat;
 
 import org.schabi.newpipe.DownloaderImpl;
 import org.schabi.newpipe.R;
@@ -15,6 +19,7 @@
 import org.schabi.newpipe.error.ReCaptchaActivity;
 import org.schabi.newpipe.error.UserAction;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
+import org.schabi.newpipe.util.DeviceUtils;
 import org.schabi.newpipe.util.InfoCache;
 
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
@@ -54,6 +59,38 @@ public void onCreatePreferences(final Bundle savedInstanceState, final String ro
         if (defaultPreferences.getString(getString(R.string.recaptcha_cookies_key), "").isEmpty()) {
             clearCookiePref.setEnabled(false);
         }
+
+        final String backstackPreferenceKey = getString(R.string.enable_ignore_backstack_key);
+        final SwitchPreferenceCompat backstackPref = findPreference(backstackPreferenceKey);
+        final Activity activity = this.getActivity();
+
+        if (activity != null) {
+            final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
+
+            final boolean retrievedValue = prefs.getBoolean(
+                    getString(R.string.enable_ignore_backstack_key),
+                    DeviceUtils.isTv(activity)
+            );
+
+            // Get the value stored. (Default does not matter)
+            // If the retrieved value matches the default value, use the default.
+            // If not, use the retrieved
+            // This works because now when we call setChecked, and save it,
+            // we either store the proper changed value, or the default value.
+            // However, if the default value is equal to the set-value, we don't actually
+            // change anything even if we "override" the value
+            // Drawback: As soon as the settings are opened, the value is set&saved.
+            // No "default" anymore.
+            // The default is applied exactly once, and then stored
+            boolean valueToSet = DeviceUtils.isTv(activity);
+            if (retrievedValue != valueToSet) {
+                valueToSet = retrievedValue;
+            }
+
+            if (backstackPref != null) {
+                backstackPref.setChecked(valueToSet);
+            }
+        }
     }
 
     @Override

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

@@ -755,4 +755,6 @@
     <string name="feed_toggle_show_future_items">Show future items</string>
     <string name="feed_toggle_hide_future_items">Hide future items</string>
     <string name="sort">Sort</string>
+    <string name="enable_ignore_backstack_key">Ignore Playlist Backstack</string>
+    <string name="enable_ignore_backstack_title">Playlist Backstack</string>
 </resources>

app/src/main/res/xml/history_settings.xml

@@ -37,6 +37,14 @@
         app:singleLineTitle="false"
         app:iconSpaceReserved="false" />
 
+    <SwitchPreferenceCompat
+        android:key="@string/enable_ignore_backstack_key"
+        android:summary="@string/enable_ignore_backstack_key"
+        android:title="@string/enable_ignore_backstack_title"
+        app:singleLineTitle="false"
+        app:iconSpaceReserved="false" />
+
+
     <PreferenceCategory
         android:layout="@layout/settings_category_header_layout"
         android:title="@string/settings_category_clear_data_title"