mirror of https://github.com/TeamNewPipe/NewPipe
343 lines
13 KiB
Java
343 lines
13 KiB
Java
package org.schabi.newpipe.fragments;
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import static android.widget.RelativeLayout.ABOVE;
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import static android.widget.RelativeLayout.ALIGN_PARENT_BOTTOM;
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import static android.widget.RelativeLayout.ALIGN_PARENT_TOP;
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import static android.widget.RelativeLayout.BELOW;
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import static com.google.android.material.tabs.TabLayout.INDICATOR_GRAVITY_BOTTOM;
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import static com.google.android.material.tabs.TabLayout.INDICATOR_GRAVITY_TOP;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.res.ColorStateList;
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import android.graphics.Color;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.RelativeLayout;
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import androidx.annotation.ColorInt;
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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.fragment.app.Fragment;
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import androidx.fragment.app.FragmentManager;
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import androidx.fragment.app.FragmentStatePagerAdapterMenuWorkaround;
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import androidx.preference.PreferenceManager;
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import androidx.viewpager.widget.ViewPager;
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import com.google.android.material.tabs.TabLayout;
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import org.schabi.newpipe.BaseFragment;
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import org.schabi.newpipe.R;
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import org.schabi.newpipe.databinding.FragmentMainBinding;
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import org.schabi.newpipe.error.ErrorUtil;
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import org.schabi.newpipe.extractor.exceptions.ExtractionException;
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import org.schabi.newpipe.local.playlist.LocalPlaylistFragment;
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import org.schabi.newpipe.settings.tabs.Tab;
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import org.schabi.newpipe.settings.tabs.TabsManager;
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import org.schabi.newpipe.util.NavigationHelper;
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import org.schabi.newpipe.util.ServiceHelper;
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import org.schabi.newpipe.util.ThemeHelper;
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import org.schabi.newpipe.views.ScrollableTabLayout;
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import java.util.ArrayList;
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import java.util.List;
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public class MainFragment extends BaseFragment implements TabLayout.OnTabSelectedListener {
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private FragmentMainBinding binding;
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private SelectedTabsPagerAdapter pagerAdapter;
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private final List<Tab> tabsList = new ArrayList<>();
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private TabsManager tabsManager;
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private boolean hasTabsChanged = false;
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private SharedPreferences prefs;
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private boolean youtubeRestrictedModeEnabled;
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private String youtubeRestrictedModeEnabledKey;
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private boolean mainTabsPositionBottom;
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private String mainTabsPositionKey;
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/*//////////////////////////////////////////////////////////////////////////
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// Fragment's LifeCycle
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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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tabsManager = TabsManager.getManager(activity);
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tabsManager.setSavedTabsListener(() -> {
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if (DEBUG) {
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Log.d(TAG, "TabsManager.SavedTabsChangeListener: "
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+ "onTabsChanged called, isResumed = " + isResumed());
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}
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if (isResumed()) {
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setupTabs();
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} else {
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hasTabsChanged = true;
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}
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});
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prefs = PreferenceManager.getDefaultSharedPreferences(requireContext());
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youtubeRestrictedModeEnabledKey = getString(R.string.youtube_restricted_mode_enabled);
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youtubeRestrictedModeEnabled = prefs.getBoolean(youtubeRestrictedModeEnabledKey, false);
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mainTabsPositionKey = getString(R.string.main_tabs_position_key);
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mainTabsPositionBottom = prefs.getBoolean(mainTabsPositionKey, false);
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}
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@Override
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public View onCreateView(@NonNull final LayoutInflater inflater,
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@Nullable final ViewGroup container,
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@Nullable final Bundle savedInstanceState) {
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return inflater.inflate(R.layout.fragment_main, container, false);
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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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binding = FragmentMainBinding.bind(rootView);
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binding.mainTabLayout.setupWithViewPager(binding.pager);
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binding.mainTabLayout.addOnTabSelectedListener(this);
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setupTabs();
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updateTabLayoutPosition();
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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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final boolean newYoutubeRestrictedModeEnabled =
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prefs.getBoolean(youtubeRestrictedModeEnabledKey, false);
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if (youtubeRestrictedModeEnabled != newYoutubeRestrictedModeEnabled || hasTabsChanged) {
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youtubeRestrictedModeEnabled = newYoutubeRestrictedModeEnabled;
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setupTabs();
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}
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final boolean newMainTabsPosition = prefs.getBoolean(mainTabsPositionKey, false);
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if (mainTabsPositionBottom != newMainTabsPosition) {
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mainTabsPositionBottom = newMainTabsPosition;
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updateTabLayoutPosition();
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}
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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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tabsManager.unsetSavedTabsListener();
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if (binding != null) {
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binding.pager.setAdapter(null);
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binding = null;
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}
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}
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@Override
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public void onDestroyView() {
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super.onDestroyView();
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binding = null;
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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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super.onCreateOptionsMenu(menu, 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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inflater.inflate(R.menu.menu_main_fragment, menu);
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final ActionBar supportActionBar = activity.getSupportActionBar();
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if (supportActionBar != null) {
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supportActionBar.setDisplayHomeAsUpEnabled(false);
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}
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}
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@Override
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public boolean onOptionsItemSelected(final MenuItem item) {
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if (item.getItemId() == R.id.action_search) {
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try {
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NavigationHelper.openSearchFragment(getFM(),
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ServiceHelper.getSelectedServiceId(activity), "");
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} catch (final Exception e) {
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ErrorUtil.showUiErrorSnackbar(this, "Opening search fragment", e);
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}
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Tabs
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//////////////////////////////////////////////////////////////////////////*/
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private void setupTabs() {
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tabsList.clear();
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tabsList.addAll(tabsManager.getTabs());
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if (pagerAdapter == null || !pagerAdapter.sameTabs(tabsList)) {
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pagerAdapter = new SelectedTabsPagerAdapter(requireContext(),
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getChildFragmentManager(), tabsList);
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}
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binding.pager.setAdapter(null);
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binding.pager.setAdapter(pagerAdapter);
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updateTabsIconAndDescription();
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updateTitleForTab(binding.pager.getCurrentItem());
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hasTabsChanged = false;
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}
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private void updateTabsIconAndDescription() {
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for (int i = 0; i < tabsList.size(); i++) {
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final TabLayout.Tab tabToSet = binding.mainTabLayout.getTabAt(i);
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if (tabToSet != null) {
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final Tab tab = tabsList.get(i);
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tabToSet.setIcon(tab.getTabIconRes(requireContext()));
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tabToSet.setContentDescription(tab.getTabName(requireContext()));
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}
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}
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}
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private void updateTitleForTab(final int tabPosition) {
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setTitle(tabsList.get(tabPosition).getTabName(requireContext()));
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}
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public void commitPlaylistTabs() {
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pagerAdapter.getLocalPlaylistFragments()
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.stream()
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.forEach(LocalPlaylistFragment::commitChanges);
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}
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private void updateTabLayoutPosition() {
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final ScrollableTabLayout tabLayout = binding.mainTabLayout;
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final ViewPager viewPager = binding.pager;
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final boolean bottom = mainTabsPositionBottom;
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// change layout params to make the tab layout appear either at the top or at the bottom
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final var tabParams = (RelativeLayout.LayoutParams) tabLayout.getLayoutParams();
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final var pagerParams = (RelativeLayout.LayoutParams) viewPager.getLayoutParams();
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tabParams.removeRule(bottom ? ALIGN_PARENT_TOP : ALIGN_PARENT_BOTTOM);
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tabParams.addRule(bottom ? ALIGN_PARENT_BOTTOM : ALIGN_PARENT_TOP);
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pagerParams.removeRule(bottom ? BELOW : ABOVE);
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pagerParams.addRule(bottom ? ABOVE : BELOW, R.id.main_tab_layout);
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tabLayout.setSelectedTabIndicatorGravity(
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bottom ? INDICATOR_GRAVITY_TOP : INDICATOR_GRAVITY_BOTTOM);
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tabLayout.setLayoutParams(tabParams);
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viewPager.setLayoutParams(pagerParams);
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// change the background and icon color of the tab layout:
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// service-colored at the top, app-background-colored at the bottom
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tabLayout.setBackgroundColor(ThemeHelper.resolveColorFromAttr(requireContext(),
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bottom ? R.attr.colorSecondary : R.attr.colorPrimary));
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@ColorInt final int iconColor = bottom
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? ThemeHelper.resolveColorFromAttr(requireContext(), R.attr.colorAccent)
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: Color.WHITE;
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tabLayout.setTabRippleColor(ColorStateList.valueOf(iconColor).withAlpha(32));
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tabLayout.setTabIconTint(ColorStateList.valueOf(iconColor));
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tabLayout.setSelectedTabIndicatorColor(iconColor);
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}
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@Override
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public void onTabSelected(final TabLayout.Tab selectedTab) {
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if (DEBUG) {
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Log.d(TAG, "onTabSelected() called with: selectedTab = [" + selectedTab + "]");
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}
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updateTitleForTab(selectedTab.getPosition());
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}
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@Override
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public void onTabUnselected(final TabLayout.Tab tab) { }
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@Override
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public void onTabReselected(final TabLayout.Tab tab) {
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if (DEBUG) {
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Log.d(TAG, "onTabReselected() called with: tab = [" + tab + "]");
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}
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updateTitleForTab(tab.getPosition());
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}
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public static final class SelectedTabsPagerAdapter
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extends FragmentStatePagerAdapterMenuWorkaround {
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private final Context context;
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private final List<Tab> internalTabsList;
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/**
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* Keep reference to LocalPlaylistFragments, because their data can be modified by the user
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* during runtime and changes are not committed immediately. However, in some cases,
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* the changes need to be committed immediately by calling
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* {@link LocalPlaylistFragment#commitChanges()}.
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* The fragments are removed when {@link LocalPlaylistFragment#onDestroy()} is called.
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*/
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private final List<LocalPlaylistFragment> localPlaylistFragments = new ArrayList<>();
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private SelectedTabsPagerAdapter(final Context context,
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final FragmentManager fragmentManager,
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final List<Tab> tabsList) {
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super(fragmentManager, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT);
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this.context = context;
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this.internalTabsList = new ArrayList<>(tabsList);
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}
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@NonNull
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@Override
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public Fragment getItem(final int position) {
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final Tab tab = internalTabsList.get(position);
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final Fragment fragment;
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try {
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fragment = tab.getFragment(context);
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} catch (final ExtractionException e) {
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ErrorUtil.showUiErrorSnackbar(context, "Getting fragment item", e);
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return new BlankFragment();
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}
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if (fragment instanceof BaseFragment) {
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((BaseFragment) fragment).useAsFrontPage(true);
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}
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if (fragment instanceof LocalPlaylistFragment) {
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localPlaylistFragments.add((LocalPlaylistFragment) fragment);
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}
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return fragment;
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}
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public List<LocalPlaylistFragment> getLocalPlaylistFragments() {
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return localPlaylistFragments;
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}
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@Override
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public int getItemPosition(@NonNull final Object object) {
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// Causes adapter to reload all Fragments when
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// notifyDataSetChanged is called
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return POSITION_NONE;
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}
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@Override
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public int getCount() {
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return internalTabsList.size();
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}
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public boolean sameTabs(final List<Tab> tabsToCompare) {
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return internalTabsList.equals(tabsToCompare);
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}
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}
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}
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