mirror of https://github.com/TeamNewPipe/NewPipe
479 lines
17 KiB
Java
479 lines
17 KiB
Java
package org.schabi.newpipe.fragments.list;
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import android.app.Activity;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.View;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.appcompat.app.ActionBar;
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import androidx.preference.PreferenceManager;
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import androidx.recyclerview.widget.GridLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import androidx.viewbinding.ViewBinding;
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import org.schabi.newpipe.R;
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import org.schabi.newpipe.databinding.PignateFooterBinding;
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import org.schabi.newpipe.error.ErrorActivity;
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import org.schabi.newpipe.extractor.InfoItem;
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import org.schabi.newpipe.extractor.channel.ChannelInfoItem;
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import org.schabi.newpipe.extractor.comments.CommentsInfoItem;
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import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem;
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import org.schabi.newpipe.extractor.stream.StreamInfoItem;
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import org.schabi.newpipe.extractor.stream.StreamType;
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import org.schabi.newpipe.fragments.BaseStateFragment;
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import org.schabi.newpipe.fragments.OnScrollBelowItemsListener;
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import org.schabi.newpipe.info_list.InfoItemDialog;
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import org.schabi.newpipe.info_list.InfoListAdapter;
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import org.schabi.newpipe.player.helper.PlayerHolder;
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import org.schabi.newpipe.util.external_communication.KoreUtils;
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import org.schabi.newpipe.util.NavigationHelper;
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import org.schabi.newpipe.util.OnClickGesture;
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import org.schabi.newpipe.util.StateSaver;
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import org.schabi.newpipe.util.StreamDialogEntry;
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import org.schabi.newpipe.views.SuperScrollLayoutManager;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Queue;
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import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
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import static org.schabi.newpipe.ktx.ViewUtils.animate;
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import static org.schabi.newpipe.ktx.ViewUtils.animateHideRecyclerViewAllowingScrolling;
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public abstract class BaseListFragment<I, N> extends BaseStateFragment<I>
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implements ListViewContract<I, N>, StateSaver.WriteRead,
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SharedPreferences.OnSharedPreferenceChangeListener {
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private static final int LIST_MODE_UPDATE_FLAG = 0x32;
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protected org.schabi.newpipe.util.SavedState savedState;
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private boolean useDefaultStateSaving = true;
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private int updateFlags = 0;
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/*//////////////////////////////////////////////////////////////////////////
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// Views
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//////////////////////////////////////////////////////////////////////////*/
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protected InfoListAdapter infoListAdapter;
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protected RecyclerView itemsList;
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private int focusedPosition = -1;
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/*//////////////////////////////////////////////////////////////////////////
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// LifeCycle
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//////////////////////////////////////////////////////////////////////////*/
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@Override
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public void onAttach(@NonNull final Context context) {
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super.onAttach(context);
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if (infoListAdapter == null) {
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infoListAdapter = new InfoListAdapter(activity);
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}
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}
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@Override
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public void onDetach() {
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super.onDetach();
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}
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@Override
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public void onCreate(final Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setHasOptionsMenu(true);
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PreferenceManager.getDefaultSharedPreferences(activity)
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.registerOnSharedPreferenceChangeListener(this);
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (useDefaultStateSaving) {
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StateSaver.onDestroy(savedState);
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}
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PreferenceManager.getDefaultSharedPreferences(activity)
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.unregisterOnSharedPreferenceChangeListener(this);
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}
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@Override
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public void onResume() {
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super.onResume();
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if (updateFlags != 0) {
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if ((updateFlags & LIST_MODE_UPDATE_FLAG) != 0) {
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final boolean useGrid = isGridLayout();
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itemsList.setLayoutManager(useGrid
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? getGridLayoutManager() : getListLayoutManager());
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infoListAdapter.setUseGridVariant(useGrid);
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infoListAdapter.notifyDataSetChanged();
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}
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updateFlags = 0;
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}
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}
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/*//////////////////////////////////////////////////////////////////////////
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// State Saving
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//////////////////////////////////////////////////////////////////////////*/
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/**
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* If the default implementation of {@link StateSaver.WriteRead} should be used.
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*
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* @param useDefaultStateSaving Whether the default implementation should be used
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* @see StateSaver
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*/
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public void setUseDefaultStateSaving(final boolean useDefaultStateSaving) {
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this.useDefaultStateSaving = useDefaultStateSaving;
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}
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@Override
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public String generateSuffix() {
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// Naive solution, but it's good for now (the items don't change)
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return "." + infoListAdapter.getItemsList().size() + ".list";
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}
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private int getFocusedPosition() {
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try {
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final View focusedItem = itemsList.getFocusedChild();
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final RecyclerView.ViewHolder itemHolder =
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itemsList.findContainingViewHolder(focusedItem);
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return itemHolder.getAdapterPosition();
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} catch (final NullPointerException e) {
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return -1;
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}
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}
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@Override
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public void writeTo(final Queue<Object> objectsToSave) {
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if (!useDefaultStateSaving) {
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return;
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}
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objectsToSave.add(infoListAdapter.getItemsList());
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objectsToSave.add(getFocusedPosition());
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}
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@Override
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@SuppressWarnings("unchecked")
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public void readFrom(@NonNull final Queue<Object> savedObjects) throws Exception {
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if (!useDefaultStateSaving) {
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return;
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}
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infoListAdapter.getItemsList().clear();
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infoListAdapter.getItemsList().addAll((List<InfoItem>) savedObjects.poll());
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restoreFocus((Integer) savedObjects.poll());
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}
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private void restoreFocus(final Integer position) {
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if (position == null || position < 0) {
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return;
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}
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itemsList.post(() -> {
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final RecyclerView.ViewHolder focusedHolder =
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itemsList.findViewHolderForAdapterPosition(position);
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if (focusedHolder != null) {
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focusedHolder.itemView.requestFocus();
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}
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});
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}
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@Override
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public void onSaveInstanceState(@NonNull final Bundle bundle) {
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super.onSaveInstanceState(bundle);
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if (useDefaultStateSaving) {
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savedState = StateSaver
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.tryToSave(activity.isChangingConfigurations(), savedState, bundle, this);
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}
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}
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@Override
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protected void onRestoreInstanceState(@NonNull final Bundle bundle) {
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super.onRestoreInstanceState(bundle);
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if (useDefaultStateSaving) {
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savedState = StateSaver.tryToRestore(bundle, this);
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}
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}
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@Override
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public void onStop() {
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focusedPosition = getFocusedPosition();
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super.onStop();
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}
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@Override
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public void onStart() {
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super.onStart();
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restoreFocus(focusedPosition);
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Init
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//////////////////////////////////////////////////////////////////////////*/
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@Nullable
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protected ViewBinding getListHeader() {
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return null;
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}
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protected ViewBinding getListFooter() {
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return PignateFooterBinding.inflate(activity.getLayoutInflater(), itemsList, false);
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}
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protected RecyclerView.LayoutManager getListLayoutManager() {
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return new SuperScrollLayoutManager(activity);
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}
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protected RecyclerView.LayoutManager getGridLayoutManager() {
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final Resources resources = activity.getResources();
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int width = resources.getDimensionPixelSize(R.dimen.video_item_grid_thumbnail_image_width);
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width += (24 * resources.getDisplayMetrics().density);
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final int spanCount = (int) Math.floor(resources.getDisplayMetrics().widthPixels
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/ (double) width);
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final GridLayoutManager lm = new GridLayoutManager(activity, spanCount);
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lm.setSpanSizeLookup(infoListAdapter.getSpanSizeLookup(spanCount));
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return lm;
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}
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@Override
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protected void initViews(final View rootView, final Bundle savedInstanceState) {
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super.initViews(rootView, savedInstanceState);
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final boolean useGrid = isGridLayout();
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itemsList = rootView.findViewById(R.id.items_list);
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itemsList.setLayoutManager(useGrid ? getGridLayoutManager() : getListLayoutManager());
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infoListAdapter.setUseGridVariant(useGrid);
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infoListAdapter.setFooter(getListFooter().getRoot());
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final ViewBinding listHeader = getListHeader();
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if (listHeader != null) {
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infoListAdapter.setHeader(listHeader.getRoot());
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}
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itemsList.setAdapter(infoListAdapter);
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}
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protected void onItemSelected(final InfoItem selectedItem) {
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if (DEBUG) {
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Log.d(TAG, "onItemSelected() called with: selectedItem = [" + selectedItem + "]");
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}
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}
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@Override
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protected void initListeners() {
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super.initListeners();
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infoListAdapter.setOnStreamSelectedListener(new OnClickGesture<StreamInfoItem>() {
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@Override
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public void selected(final StreamInfoItem selectedItem) {
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onStreamSelected(selectedItem);
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}
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@Override
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public void held(final StreamInfoItem selectedItem) {
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showStreamDialog(selectedItem);
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}
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});
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infoListAdapter.setOnChannelSelectedListener(new OnClickGesture<ChannelInfoItem>() {
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@Override
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public void selected(final ChannelInfoItem selectedItem) {
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try {
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onItemSelected(selectedItem);
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NavigationHelper.openChannelFragment(getFM(),
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selectedItem.getServiceId(),
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selectedItem.getUrl(),
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selectedItem.getName());
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} catch (final Exception e) {
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ErrorActivity.reportUiErrorInSnackbar(
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BaseListFragment.this, "Opening channel fragment", e);
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}
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}
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});
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infoListAdapter.setOnPlaylistSelectedListener(new OnClickGesture<PlaylistInfoItem>() {
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@Override
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public void selected(final PlaylistInfoItem selectedItem) {
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try {
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onItemSelected(selectedItem);
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NavigationHelper.openPlaylistFragment(getFM(),
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selectedItem.getServiceId(),
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selectedItem.getUrl(),
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selectedItem.getName());
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} catch (final Exception e) {
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ErrorActivity.reportUiErrorInSnackbar(BaseListFragment.this,
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"Opening playlist fragment", e);
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}
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}
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});
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infoListAdapter.setOnCommentsSelectedListener(new OnClickGesture<CommentsInfoItem>() {
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@Override
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public void selected(final CommentsInfoItem selectedItem) {
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onItemSelected(selectedItem);
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}
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});
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itemsList.clearOnScrollListeners();
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itemsList.addOnScrollListener(new OnScrollBelowItemsListener() {
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@Override
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public void onScrolledDown(final RecyclerView recyclerView) {
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onScrollToBottom();
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}
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});
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}
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private void onStreamSelected(final StreamInfoItem selectedItem) {
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onItemSelected(selectedItem);
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NavigationHelper.openVideoDetailFragment(requireContext(), getFM(),
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selectedItem.getServiceId(), selectedItem.getUrl(), selectedItem.getName(),
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null, false);
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}
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protected void onScrollToBottom() {
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if (hasMoreItems() && !isLoading.get()) {
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loadMoreItems();
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}
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}
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protected void showStreamDialog(final StreamInfoItem item) {
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final Context context = getContext();
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final Activity activity = getActivity();
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if (context == null || context.getResources() == null || activity == null) {
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return;
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}
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final List<StreamDialogEntry> entries = new ArrayList<>();
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if (PlayerHolder.getInstance().getType() != null) {
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entries.add(StreamDialogEntry.enqueue);
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}
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if (item.getStreamType() == StreamType.AUDIO_STREAM) {
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entries.addAll(Arrays.asList(
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StreamDialogEntry.start_here_on_background,
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StreamDialogEntry.append_playlist,
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StreamDialogEntry.share
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));
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} else {
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entries.addAll(Arrays.asList(
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StreamDialogEntry.start_here_on_background,
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StreamDialogEntry.start_here_on_popup,
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StreamDialogEntry.append_playlist,
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StreamDialogEntry.share
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));
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}
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entries.add(StreamDialogEntry.open_in_browser);
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if (KoreUtils.shouldShowPlayWithKodi(context, item.getServiceId())) {
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entries.add(StreamDialogEntry.play_with_kodi);
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}
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if (!isNullOrEmpty(item.getUploaderUrl())) {
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entries.add(StreamDialogEntry.show_channel_details);
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}
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StreamDialogEntry.setEnabledEntries(entries);
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new InfoItemDialog(activity, item, StreamDialogEntry.getCommands(context),
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(dialog, which) -> StreamDialogEntry.clickOn(which, this, item)).show();
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Menu
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//////////////////////////////////////////////////////////////////////////*/
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@Override
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public void onCreateOptionsMenu(@NonNull final Menu menu,
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@NonNull final MenuInflater inflater) {
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if (DEBUG) {
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Log.d(TAG, "onCreateOptionsMenu() called with: "
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+ "menu = [" + menu + "], inflater = [" + inflater + "]");
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}
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super.onCreateOptionsMenu(menu, inflater);
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final ActionBar supportActionBar = activity.getSupportActionBar();
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if (supportActionBar != null) {
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supportActionBar.setDisplayShowTitleEnabled(true);
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supportActionBar.setDisplayHomeAsUpEnabled(!useAsFrontPage);
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}
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Load and handle
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//////////////////////////////////////////////////////////////////////////*/
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protected abstract void loadMoreItems();
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protected abstract boolean hasMoreItems();
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/*//////////////////////////////////////////////////////////////////////////
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// Contract
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//////////////////////////////////////////////////////////////////////////*/
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@Override
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public void showLoading() {
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super.showLoading();
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animateHideRecyclerViewAllowingScrolling(itemsList);
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}
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@Override
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public void hideLoading() {
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super.hideLoading();
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animate(itemsList, true, 300);
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}
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@Override
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public void showEmptyState() {
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super.showEmptyState();
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showListFooter(false);
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animateHideRecyclerViewAllowingScrolling(itemsList);
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}
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@Override
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public void showListFooter(final boolean show) {
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itemsList.post(() -> {
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if (infoListAdapter != null && itemsList != null) {
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infoListAdapter.showFooter(show);
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}
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});
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}
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@Override
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public void handleNextItems(final N result) {
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isLoading.set(false);
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}
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@Override
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public void handleError() {
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super.handleError();
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showListFooter(false);
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animateHideRecyclerViewAllowingScrolling(itemsList);
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}
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@Override
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public void onSharedPreferenceChanged(final SharedPreferences sharedPreferences,
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final String key) {
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if (key.equals(getString(R.string.list_view_mode_key))) {
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updateFlags |= LIST_MODE_UPDATE_FLAG;
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}
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}
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protected boolean isGridLayout() {
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final String listMode = PreferenceManager.getDefaultSharedPreferences(activity)
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.getString(getString(R.string.list_view_mode_key),
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getString(R.string.list_view_mode_value));
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if ("auto".equals(listMode)) {
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final Configuration configuration = getResources().getConfiguration();
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return configuration.orientation == Configuration.ORIENTATION_LANDSCAPE
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&& configuration.isLayoutSizeAtLeast(Configuration.SCREENLAYOUT_SIZE_LARGE);
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} else {
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return "grid".equals(listMode);
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}
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}
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}
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