package de.danoeh.antennapod.fragment; import android.content.Context; import android.content.DialogInterface; import android.graphics.LightingColorFilter; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.ProgressBar; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.appcompat.app.AppCompatActivity; import androidx.appcompat.widget.Toolbar; import androidx.fragment.app.Fragment; import androidx.recyclerview.widget.RecyclerView; import com.bumptech.glide.Glide; import com.bumptech.glide.request.RequestOptions; import com.google.android.material.appbar.AppBarLayout; import com.google.android.material.appbar.CollapsingToolbarLayout; import com.joanzapata.iconify.Iconify; import com.joanzapata.iconify.widget.IconTextView; import de.danoeh.antennapod.R; import de.danoeh.antennapod.activity.MainActivity; import de.danoeh.antennapod.adapter.EpisodeItemListAdapter; import de.danoeh.antennapod.core.asynctask.FeedRemover; import de.danoeh.antennapod.core.dialog.ConfirmationDialog; import de.danoeh.antennapod.core.dialog.DownloadRequestErrorDialogCreator; import de.danoeh.antennapod.core.event.DownloadEvent; import de.danoeh.antennapod.core.event.DownloaderUpdate; import de.danoeh.antennapod.core.event.FeedItemEvent; import de.danoeh.antennapod.core.event.FeedListUpdateEvent; import de.danoeh.antennapod.core.event.PlaybackPositionEvent; import de.danoeh.antennapod.core.event.PlayerStatusEvent; import de.danoeh.antennapod.core.event.UnreadItemsUpdateEvent; import de.danoeh.antennapod.core.feed.Feed; import de.danoeh.antennapod.core.feed.FeedEvent; import de.danoeh.antennapod.core.feed.FeedItem; import de.danoeh.antennapod.core.feed.FeedItemFilter; import de.danoeh.antennapod.core.glide.ApGlideSettings; import de.danoeh.antennapod.core.glide.FastBlurTransformation; import de.danoeh.antennapod.core.service.download.DownloadService; import de.danoeh.antennapod.core.storage.DBReader; import de.danoeh.antennapod.core.storage.DBTasks; import de.danoeh.antennapod.core.storage.DownloadRequestException; import de.danoeh.antennapod.core.storage.DownloadRequester; import de.danoeh.antennapod.core.util.FeedItemPermutors; import de.danoeh.antennapod.core.util.FeedItemUtil; import de.danoeh.antennapod.core.util.Optional; import de.danoeh.antennapod.core.util.ThemeUtils; import de.danoeh.antennapod.core.util.gui.MoreContentListFooterUtil; import de.danoeh.antennapod.dialog.EpisodesApplyActionFragment; import de.danoeh.antennapod.dialog.RenameFeedDialog; import de.danoeh.antennapod.menuhandler.FeedItemMenuHandler; import de.danoeh.antennapod.menuhandler.FeedMenuHandler; import de.danoeh.antennapod.menuhandler.MenuItemUtils; import de.danoeh.antennapod.view.EpisodeItemListRecyclerView; import de.danoeh.antennapod.view.ToolbarIconTintManager; import de.danoeh.antennapod.view.viewholder.EpisodeItemViewHolder; import io.reactivex.Observable; import io.reactivex.android.schedulers.AndroidSchedulers; import io.reactivex.disposables.Disposable; import io.reactivex.schedulers.Schedulers; import org.apache.commons.lang3.Validate; import org.greenrobot.eventbus.EventBus; import org.greenrobot.eventbus.Subscribe; import org.greenrobot.eventbus.ThreadMode; import java.util.List; /** * Displays a list of FeedItems. */ public class FeedItemlistFragment extends Fragment implements AdapterView.OnItemClickListener { private static final String TAG = "ItemlistFragment"; private static final String ARGUMENT_FEED_ID = "argument.de.danoeh.antennapod.feed_id"; private FeedItemListAdapter adapter; private MoreContentListFooterUtil nextPageLoader; private ProgressBar progressBar; private EpisodeItemListRecyclerView recyclerView; private TextView txtvTitle; private IconTextView txtvFailure; private ImageView imgvBackground; private ImageView imgvCover; private TextView txtvInformation; private TextView txtvAuthor; private ImageButton butShowInfo; private ImageButton butShowSettings; private Menu optionsMenu; private ToolbarIconTintManager iconTintManager; private long feedID; private Feed feed; private boolean headerCreated = false; private boolean isUpdatingFeed; private Disposable disposable; /** * Creates new ItemlistFragment which shows the Feeditems of a specific * feed. Sets 'showFeedtitle' to false * * @param feedId The id of the feed to show * @return the newly created instance of an ItemlistFragment */ public static FeedItemlistFragment newInstance(long feedId) { FeedItemlistFragment i = new FeedItemlistFragment(); Bundle b = new Bundle(); b.putLong(ARGUMENT_FEED_ID, feedId); i.setArguments(b); return i; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRetainInstance(true); setHasOptionsMenu(true); Bundle args = getArguments(); Validate.notNull(args); feedID = args.getLong(ARGUMENT_FEED_ID); } @Nullable @Override public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View root = inflater.inflate(R.layout.feed_item_list_fragment, container, false); Toolbar toolbar = root.findViewById(R.id.toolbar); toolbar.setTitle(""); ((AppCompatActivity) getActivity()).setSupportActionBar(toolbar); recyclerView = root.findViewById(R.id.recyclerView); recyclerView.setRecycledViewPool(((MainActivity) getActivity()).getRecycledViewPool()); recyclerView.setVisibility(View.GONE); progressBar = root.findViewById(R.id.progLoading); txtvTitle = root.findViewById(R.id.txtvTitle); txtvAuthor = root.findViewById(R.id.txtvAuthor); imgvBackground = root.findViewById(R.id.imgvBackground); imgvCover = root.findViewById(R.id.imgvCover); butShowInfo = root.findViewById(R.id.butShowInfo); butShowSettings = root.findViewById(R.id.butShowSettings); txtvInformation = root.findViewById(R.id.txtvInformation); txtvFailure = root.findViewById(R.id.txtvFailure); AppBarLayout appBar = root.findViewById(R.id.appBar); CollapsingToolbarLayout collapsingToolbar = root.findViewById(R.id.collapsing_toolbar); iconTintManager = new ToolbarIconTintManager(getContext(), toolbar, collapsingToolbar) { @Override protected void doTint(Context themedContext) { if (optionsMenu == null) { return; } optionsMenu.findItem(R.id.sort_items) .setIcon(ThemeUtils.getDrawableFromAttr(themedContext, R.attr.ic_sort)); optionsMenu.findItem(R.id.filter_items) .setIcon(ThemeUtils.getDrawableFromAttr(themedContext, R.attr.ic_filter)); optionsMenu.findItem(R.id.refresh_item) .setIcon(ThemeUtils.getDrawableFromAttr(themedContext, R.attr.navigation_refresh)); optionsMenu.findItem(R.id.action_search) .setIcon(ThemeUtils.getDrawableFromAttr(themedContext, R.attr.action_search)); } }; appBar.addOnOffsetChangedListener(iconTintManager); nextPageLoader = new MoreContentListFooterUtil(root.findViewById(R.id.more_content_list_footer)); nextPageLoader.setClickListener(() -> { if (feed != null) { try { DBTasks.loadNextPageOfFeed(getActivity(), feed, false); } catch (DownloadRequestException e) { e.printStackTrace(); DownloadRequestErrorDialogCreator.newRequestErrorDialog(getActivity(), e.getMessage()); } } }); recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() { @Override public void onScrolled(@NonNull RecyclerView view, int deltaX, int deltaY) { super.onScrolled(view, deltaX, deltaY); boolean hasMorePages = feed != null && feed.isPaged() && feed.getNextPageLink() != null; nextPageLoader.getRoot().setVisibility( (recyclerView.isScrolledToBottom() && hasMorePages) ? View.VISIBLE : View.GONE); } }); EventBus.getDefault().register(this); loadItems(); return root; } @Override public void onDestroyView() { super.onDestroyView(); EventBus.getDefault().unregister(this); if (disposable != null) { disposable.dispose(); } adapter = null; } private final MenuItemUtils.UpdateRefreshMenuItemChecker updateRefreshMenuItemChecker = new MenuItemUtils.UpdateRefreshMenuItemChecker() { @Override public boolean isRefreshing() { return feed != null && DownloadService.isRunning && DownloadRequester.getInstance().isDownloadingFile(feed); } }; @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { if (!isAdded()) { return; } super.onCreateOptionsMenu(menu, inflater); optionsMenu = menu; FeedMenuHandler.onCreateOptionsMenu(inflater, menu); iconTintManager.updateTint(); MenuItemUtils.setupSearchItem(menu, (MainActivity) getActivity(), feedID); if (feed == null || feed.getLink() == null) { menu.findItem(R.id.share_link_item).setVisible(false); menu.findItem(R.id.visit_website_item).setVisible(false); } isUpdatingFeed = MenuItemUtils.updateRefreshMenuItem(menu, R.id.refresh_item, updateRefreshMenuItemChecker); } @Override public void onPrepareOptionsMenu(Menu menu) { if (feed != null) { FeedMenuHandler.onPrepareOptionsMenu(menu, feed); } } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == R.id.action_search) { item.getActionView().post(() -> iconTintManager.updateTint()); } if (super.onOptionsItemSelected(item)) { return true; } else { if (feed == null) { ((MainActivity) getActivity()).showSnackbarAbovePlayer( R.string.please_wait_for_data, Toast.LENGTH_LONG); return true; } try { if (!FeedMenuHandler.onOptionsItemClicked(getActivity(), item, feed)) { switch (item.getItemId()) { case R.id.episode_actions: EpisodesApplyActionFragment fragment = EpisodesApplyActionFragment .newInstance(feed.getItems()); ((MainActivity)getActivity()).loadChildFragment(fragment); return true; case R.id.rename_item: new RenameFeedDialog(getActivity(), feed).show(); return true; case R.id.remove_item: final FeedRemover remover = new FeedRemover( getActivity(), feed) { @Override protected void onPostExecute(Void result) { super.onPostExecute(result); ((MainActivity) getActivity()).loadFragment(EpisodesFragment.TAG, null); } }; ConfirmationDialog conDialog = new ConfirmationDialog(getActivity(), R.string.remove_feed_label, getString(R.string.feed_delete_confirmation_msg, feed.getTitle())) { @Override public void onConfirmButtonPressed( DialogInterface dialog) { dialog.dismiss(); remover.executeAsync(); } }; conDialog.createNewDialog().show(); return true; default: return false; } } else { return true; } } catch (DownloadRequestException e) { e.printStackTrace(); DownloadRequestErrorDialogCreator.newRequestErrorDialog(getActivity(), e.getMessage()); return true; } } } @Override public boolean onContextItemSelected(@NonNull MenuItem item) { FeedItem selectedItem = adapter.getSelectedItem(); if (selectedItem == null) { Log.i(TAG, "Selected item at current position was null, ignoring selection"); return super.onContextItemSelected(item); } return FeedItemMenuHandler.onMenuItemClicked(this, item.getItemId(), selectedItem); } @Override public void onItemClick(AdapterView parent, View view, int position, long id) { if (adapter == null) { return; } MainActivity activity = (MainActivity) getActivity(); long[] ids = FeedItemUtil.getIds(feed.getItems()); activity.loadChildFragment(ItemPagerFragment.newInstance(ids, position)); } @Subscribe(threadMode = ThreadMode.MAIN) public void onEvent(FeedEvent event) { Log.d(TAG, "onEvent() called with: " + "event = [" + event + "]"); if (event.feedId == feedID) { loadItems(); } } @Subscribe(threadMode = ThreadMode.MAIN) public void onEventMainThread(FeedItemEvent event) { Log.d(TAG, "onEventMainThread() called with: " + "event = [" + event + "]"); if (feed == null || feed.getItems() == null) { return; } else if (adapter == null) { loadItems(); return; } for (int i = 0, size = event.items.size(); i < size; i++) { FeedItem item = event.items.get(i); int pos = FeedItemUtil.indexOfItemWithId(feed.getItems(), item.getId()); if (pos >= 0) { feed.getItems().remove(pos); feed.getItems().add(pos, item); adapter.notifyItemChangedCompat(pos); } } } @Subscribe(sticky = true, threadMode = ThreadMode.MAIN) public void onEventMainThread(DownloadEvent event) { Log.d(TAG, "onEventMainThread() called with: " + "event = [" + event + "]"); DownloaderUpdate update = event.update; if (event.hasChangedFeedUpdateStatus(isUpdatingFeed)) { updateSyncProgressBarVisibility(); } if (adapter != null && update.mediaIds.length > 0 && feed != null) { for (long mediaId : update.mediaIds) { int pos = FeedItemUtil.indexOfItemWithMediaId(feed.getItems(), mediaId); if (pos >= 0) { adapter.notifyItemChangedCompat(pos); } } } } @Subscribe(threadMode = ThreadMode.MAIN) public void onEventMainThread(PlaybackPositionEvent event) { if (adapter != null) { for (int i = 0; i < adapter.getItemCount(); i++) { EpisodeItemViewHolder holder = (EpisodeItemViewHolder) recyclerView.findViewHolderForAdapterPosition(i); if (holder != null && holder.isCurrentlyPlayingItem()) { holder.notifyPlaybackPositionUpdated(event); break; } } } } private void updateUi() { loadItems(); updateSyncProgressBarVisibility(); } @Subscribe(threadMode = ThreadMode.MAIN) public void onPlayerStatusChanged(PlayerStatusEvent event) { updateUi(); } @Subscribe(threadMode = ThreadMode.MAIN) public void onUnreadItemsChanged(UnreadItemsUpdateEvent event) { updateUi(); } @Subscribe(threadMode = ThreadMode.MAIN) public void onFeedListChanged(FeedListUpdateEvent event) { if (feed != null && event.contains(feed)) { updateUi(); } } private void updateSyncProgressBarVisibility() { if (isUpdatingFeed != updateRefreshMenuItemChecker.isRefreshing()) { getActivity().supportInvalidateOptionsMenu(); } if (!DownloadRequester.getInstance().isDownloadingFeeds()) { nextPageLoader.getRoot().setVisibility(View.GONE); } nextPageLoader.setLoadingState(DownloadRequester.getInstance().isDownloadingFeeds()); } private void displayList() { if (getView() == null) { Log.e(TAG, "Required root view is not yet created. Stop binding data to UI."); return; } if (adapter == null) { recyclerView.setAdapter(null); adapter = new FeedItemListAdapter((MainActivity) getActivity()); recyclerView.setAdapter(adapter); } recyclerView.setVisibility(View.VISIBLE); progressBar.setVisibility(View.GONE); if (feed != null) { adapter.updateItems(feed.getItems()); } getActivity().supportInvalidateOptionsMenu(); updateSyncProgressBarVisibility(); } private void refreshHeaderView() { setupHeaderView(); if (recyclerView == null || feed == null) { Log.e(TAG, "Unable to refresh header view"); return; } loadFeedImage(); if (feed.hasLastUpdateFailed()) { txtvFailure.setVisibility(View.VISIBLE); } else { txtvFailure.setVisibility(View.GONE); } txtvTitle.setText(feed.getTitle()); txtvAuthor.setText(feed.getAuthor()); if (feed.getItemFilter() != null) { FeedItemFilter filter = feed.getItemFilter(); if (filter.getValues().length > 0) { if (feed.hasLastUpdateFailed()) { RelativeLayout.LayoutParams p = (RelativeLayout.LayoutParams) txtvInformation.getLayoutParams(); p.addRule(RelativeLayout.BELOW, R.id.txtvFailure); } txtvInformation.setText("{fa-info-circle} " + this.getString(R.string.filtered_label)); Iconify.addIcons(txtvInformation); txtvInformation.setVisibility(View.VISIBLE); } else { txtvInformation.setVisibility(View.GONE); } } else { txtvInformation.setVisibility(View.GONE); } } private void setupHeaderView() { if (feed == null || headerCreated) { return; } // https://github.com/bumptech/glide/issues/529 imgvBackground.setColorFilter(new LightingColorFilter(0xff666666, 0x000000)); butShowInfo.setVisibility(View.VISIBLE); butShowInfo.setOnClickListener(v -> showFeedInfo()); imgvCover.setOnClickListener(v -> showFeedInfo()); butShowSettings.setVisibility(View.VISIBLE); butShowSettings.setOnClickListener(v -> { if (feed != null) { FeedSettingsFragment fragment = FeedSettingsFragment.newInstance(feed); ((MainActivity) getActivity()).loadChildFragment(fragment, TransitionEffect.SLIDE); } }); headerCreated = true; } private void showFeedInfo() { if (feed != null) { FeedInfoFragment fragment = FeedInfoFragment.newInstance(feed); ((MainActivity) getActivity()).loadChildFragment(fragment, TransitionEffect.SLIDE); } } private void loadFeedImage() { Glide.with(getActivity()) .load(feed.getImageLocation()) .apply(new RequestOptions() .placeholder(R.color.image_readability_tint) .error(R.color.image_readability_tint) .diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY) .transform(new FastBlurTransformation()) .dontAnimate()) .into(imgvBackground); Glide.with(getActivity()) .load(feed.getImageLocation()) .apply(new RequestOptions() .placeholder(R.color.light_gray) .error(R.color.light_gray) .diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY) .fitCenter() .dontAnimate()) .into(imgvCover); } private void loadItems() { if (disposable != null) { disposable.dispose(); } progressBar.setVisibility(View.VISIBLE); disposable = Observable.fromCallable(this::loadData) .subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()) .subscribe(result -> { feed = result.orElse(null); refreshHeaderView(); displayList(); }, error -> Log.e(TAG, Log.getStackTraceString(error))); } @NonNull private Optional loadData() { Feed feed = DBReader.getFeed(feedID); if (feed != null && feed.getItemFilter() != null) { DBReader.loadAdditionalFeedItemListData(feed.getItems()); FeedItemFilter filter = feed.getItemFilter(); feed.setItems(filter.filter(feed.getItems())); } if (feed != null && feed.getSortOrder() != null) { List feedItems = feed.getItems(); FeedItemPermutors.getPermutor(feed.getSortOrder()).reorder(feedItems); feed.setItems(feedItems); } return Optional.ofNullable(feed); } private static class FeedItemListAdapter extends EpisodeItemListAdapter { public FeedItemListAdapter(MainActivity mainActivity) { super(mainActivity); } @Override protected void beforeBindViewHolder(EpisodeItemViewHolder holder, int pos) { holder.coverHolder.setVisibility(View.GONE); } } }