mirror of https://github.com/TeamNewPipe/NewPipe
384 lines
16 KiB
Java
384 lines
16 KiB
Java
package org.schabi.newpipe.fragments.list.channel;
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import android.content.Context;
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import android.content.Intent;
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import android.net.Uri;
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import android.os.Bundle;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.v4.content.ContextCompat;
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import android.text.TextUtils;
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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.Button;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.jakewharton.rxbinding2.view.RxView;
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import org.schabi.newpipe.R;
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import org.schabi.newpipe.database.subscription.SubscriptionEntity;
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import org.schabi.newpipe.extractor.ListExtractor;
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import org.schabi.newpipe.extractor.NewPipe;
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import org.schabi.newpipe.extractor.channel.ChannelInfo;
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import org.schabi.newpipe.extractor.exceptions.ExtractionException;
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import org.schabi.newpipe.fragments.list.BaseListInfoFragment;
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import org.schabi.newpipe.fragments.subscription.SubscriptionService;
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import org.schabi.newpipe.report.UserAction;
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import org.schabi.newpipe.util.AnimationUtils;
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import org.schabi.newpipe.util.ExtractorHelper;
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import org.schabi.newpipe.util.Localization;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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import io.reactivex.Observable;
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import io.reactivex.Single;
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import io.reactivex.android.schedulers.AndroidSchedulers;
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import io.reactivex.disposables.CompositeDisposable;
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import io.reactivex.disposables.Disposable;
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import io.reactivex.functions.Action;
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import io.reactivex.functions.Consumer;
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import io.reactivex.functions.Function;
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import io.reactivex.schedulers.Schedulers;
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import static org.schabi.newpipe.util.AnimationUtils.animateBackgroundColor;
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import static org.schabi.newpipe.util.AnimationUtils.animateTextColor;
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import static org.schabi.newpipe.util.AnimationUtils.animateView;
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public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
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private CompositeDisposable disposables = new CompositeDisposable();
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private Disposable subscribeButtonMonitor;
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private SubscriptionService subscriptionService;
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/*//////////////////////////////////////////////////////////////////////////
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// Views
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//////////////////////////////////////////////////////////////////////////*/
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private View headerRootLayout;
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private ImageView headerChannelBanner;
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private ImageView headerAvatarView;
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private TextView headerTitleView;
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private TextView headerSubscribersTextView;
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private Button headerSubscribeButton;
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private MenuItem menuRssButton;
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public static ChannelFragment getInstance(int serviceId, String url, String name) {
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ChannelFragment instance = new ChannelFragment();
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instance.setInitialData(serviceId, url, name);
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return instance;
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}
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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(Context context) {
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super.onAttach(context);
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subscriptionService = SubscriptionService.getInstance();
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}
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@Override
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public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
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return inflater.inflate(R.layout.fragment_channel, container, false);
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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 (disposables != null) disposables.clear();
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if (subscribeButtonMonitor != null) subscribeButtonMonitor.dispose();
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Init
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//////////////////////////////////////////////////////////////////////////*/
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protected View getListHeader() {
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headerRootLayout = activity.getLayoutInflater().inflate(R.layout.channel_header, itemsList, false);
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headerChannelBanner = headerRootLayout.findViewById(R.id.channel_banner_image);
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headerAvatarView = headerRootLayout.findViewById(R.id.channel_avatar_view);
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headerTitleView = headerRootLayout.findViewById(R.id.channel_title_view);
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headerSubscribersTextView = headerRootLayout.findViewById(R.id.channel_subscriber_view);
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headerSubscribeButton = headerRootLayout.findViewById(R.id.channel_subscribe_button);
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return headerRootLayout;
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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(Menu menu, MenuInflater inflater) {
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if (DEBUG) Log.d(TAG, "onCreateOptionsMenu() called with: menu = [" + menu + "], inflater = [" + inflater + "]");
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super.onCreateOptionsMenu(menu, inflater);
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inflater.inflate(R.menu.menu_channel, menu);
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menuRssButton = menu.findItem(R.id.menu_item_rss);
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if (currentInfo != null) {
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menuRssButton.setVisible(!TextUtils.isEmpty(currentInfo.feed_url));
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}
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.menu_item_rss: {
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Intent intent = new Intent();
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intent.setAction(Intent.ACTION_VIEW);
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intent.setData(Uri.parse(currentInfo.feed_url));
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startActivity(intent);
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return true;
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}
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Channel Subscription
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//////////////////////////////////////////////////////////////////////////*/
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private static final int BUTTON_DEBOUNCE_INTERVAL = 100;
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private void monitorSubscription(final ChannelInfo info) {
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final Consumer<Throwable> onError = new Consumer<Throwable>() {
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@Override
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public void accept(Throwable throwable) throws Exception {
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animateView(headerSubscribeButton, false, 100);
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showSnackBarError(throwable, UserAction.SUBSCRIPTION, NewPipe.getNameOfService(currentInfo.service_id), "Get subscription status", 0);
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}
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};
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final Observable<List<SubscriptionEntity>> observable = subscriptionService.subscriptionTable()
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.getSubscription(info.service_id, info.url)
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.toObservable();
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disposables.add(observable
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(getSubscribeUpdateMonitor(info), onError));
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disposables.add(observable
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// Some updates are very rapid (when calling the updateSubscription(info), for example)
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// so only update the UI for the latest emission ("sync" the subscribe button's state)
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.debounce(100, TimeUnit.MILLISECONDS)
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(new Consumer<List<SubscriptionEntity>>() {
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@Override
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public void accept(List<SubscriptionEntity> subscriptionEntities) throws Exception {
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updateSubscribeButton(!subscriptionEntities.isEmpty());
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}
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}, onError));
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}
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private Function<Object, Object> mapOnSubscribe(final SubscriptionEntity subscription) {
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return new Function<Object, Object>() {
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@Override
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public Object apply(@NonNull Object o) throws Exception {
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subscriptionService.subscriptionTable().insert(subscription);
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return o;
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}
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};
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}
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private Function<Object, Object> mapOnUnsubscribe(final SubscriptionEntity subscription) {
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return new Function<Object, Object>() {
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@Override
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public Object apply(@NonNull Object o) throws Exception {
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subscriptionService.subscriptionTable().delete(subscription);
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return o;
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}
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};
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}
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private void updateSubscription(final ChannelInfo info) {
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if (DEBUG) Log.d(TAG, "updateSubscription() called with: info = [" + info + "]");
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final Action onComplete = new Action() {
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@Override
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public void run() throws Exception {
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if (DEBUG) Log.d(TAG, "Updated subscription: " + info.url);
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}
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};
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final Consumer<Throwable> onError = new Consumer<Throwable>() {
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@Override
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public void accept(@NonNull Throwable throwable) throws Exception {
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onUnrecoverableError(throwable, UserAction.SUBSCRIPTION, NewPipe.getNameOfService(info.service_id), "Updating Subscription for " + info.url, R.string.subscription_update_failed);
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}
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};
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disposables.add(subscriptionService.updateChannelInfo(info)
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.subscribeOn(Schedulers.io())
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(onComplete, onError));
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}
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private Disposable monitorSubscribeButton(final Button subscribeButton, final Function<Object, Object> action) {
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final Consumer<Object> onNext = new Consumer<Object>() {
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@Override
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public void accept(@NonNull Object o) throws Exception {
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if (DEBUG) Log.d(TAG, "Changed subscription status to this channel!");
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}
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};
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final Consumer<Throwable> onError = new Consumer<Throwable>() {
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@Override
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public void accept(@NonNull Throwable throwable) throws Exception {
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onUnrecoverableError(throwable, UserAction.SUBSCRIPTION, NewPipe.getNameOfService(currentInfo.service_id), "Subscription Change", R.string.subscription_change_failed);
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}
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};
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/* Emit clicks from main thread unto io thread */
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return RxView.clicks(subscribeButton)
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.subscribeOn(AndroidSchedulers.mainThread())
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.observeOn(Schedulers.io())
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.debounce(BUTTON_DEBOUNCE_INTERVAL, TimeUnit.MILLISECONDS) // Ignore rapid clicks
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.map(action)
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.subscribe(onNext, onError);
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}
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private Consumer<List<SubscriptionEntity>> getSubscribeUpdateMonitor(final ChannelInfo info) {
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return new Consumer<List<SubscriptionEntity>>() {
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@Override
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public void accept(List<SubscriptionEntity> subscriptionEntities) throws Exception {
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if (DEBUG)
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Log.d(TAG, "subscriptionService.subscriptionTable.doOnNext() called with: subscriptionEntities = [" + subscriptionEntities + "]");
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if (subscribeButtonMonitor != null) subscribeButtonMonitor.dispose();
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if (subscriptionEntities.isEmpty()) {
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if (DEBUG) Log.d(TAG, "No subscription to this channel!");
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SubscriptionEntity channel = new SubscriptionEntity();
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channel.setServiceId(info.service_id);
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channel.setUrl(info.url);
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channel.setData(info.name, info.avatar_url, info.description, info.subscriber_count);
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subscribeButtonMonitor = monitorSubscribeButton(headerSubscribeButton, mapOnSubscribe(channel));
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} else {
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if (DEBUG) Log.d(TAG, "Found subscription to this channel!");
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final SubscriptionEntity subscription = subscriptionEntities.get(0);
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subscribeButtonMonitor = monitorSubscribeButton(headerSubscribeButton, mapOnUnsubscribe(subscription));
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}
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}
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};
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}
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private void updateSubscribeButton(boolean isSubscribed) {
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if (DEBUG) Log.d(TAG, "updateSubscribeButton() called with: isSubscribed = [" + isSubscribed + "]");
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boolean isButtonVisible = headerSubscribeButton.getVisibility() == View.VISIBLE;
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int backgroundDuration = isButtonVisible ? 300 : 0;
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int textDuration = isButtonVisible ? 200 : 0;
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int subscribeBackground = ContextCompat.getColor(activity, R.color.subscribe_background_color);
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int subscribeText = ContextCompat.getColor(activity, R.color.subscribe_text_color);
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int subscribedBackground = ContextCompat.getColor(activity, R.color.subscribed_background_color);
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int subscribedText = ContextCompat.getColor(activity, R.color.subscribed_text_color);
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if (!isSubscribed) {
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headerSubscribeButton.setText(R.string.subscribe_button_title);
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animateBackgroundColor(headerSubscribeButton, backgroundDuration, subscribedBackground, subscribeBackground);
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animateTextColor(headerSubscribeButton, textDuration, subscribedText, subscribeText);
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} else {
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headerSubscribeButton.setText(R.string.subscribed_button_title);
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animateBackgroundColor(headerSubscribeButton, backgroundDuration, subscribeBackground, subscribedBackground);
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animateTextColor(headerSubscribeButton, textDuration, subscribeText, subscribedText);
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}
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animateView(headerSubscribeButton, AnimationUtils.Type.LIGHT_SCALE_AND_ALPHA, true, 100);
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Load and handle
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//////////////////////////////////////////////////////////////////////////*/
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@Override
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protected Single<ListExtractor.NextItemsResult> loadMoreItemsLogic() {
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return ExtractorHelper.getMoreChannelItems(serviceId, currentNextItemsUrl);
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}
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@Override
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protected Single<ChannelInfo> loadResult(boolean forceLoad) {
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return ExtractorHelper.getChannelInfo(serviceId, url, forceLoad);
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}
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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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imageLoader.cancelDisplayTask(headerChannelBanner);
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imageLoader.cancelDisplayTask(headerAvatarView);
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animateView(headerSubscribeButton, false, 100);
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}
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@Override
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public void handleResult(@NonNull ChannelInfo result) {
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super.handleResult(result);
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headerRootLayout.setVisibility(View.VISIBLE);
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imageLoader.displayImage(result.banner_url, headerChannelBanner, DISPLAY_BANNER_OPTIONS);
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imageLoader.displayImage(result.avatar_url, headerAvatarView, DISPLAY_AVATAR_OPTIONS);
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if (result.subscriber_count != -1) {
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headerSubscribersTextView.setText(Localization.localizeSubscribersCount(activity, result.subscriber_count));
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headerSubscribersTextView.setVisibility(View.VISIBLE);
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} else headerSubscribersTextView.setVisibility(View.GONE);
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if (menuRssButton != null) menuRssButton.setVisible(!TextUtils.isEmpty(result.feed_url));
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if (!result.errors.isEmpty()) {
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showSnackBarError(result.errors, UserAction.REQUESTED_CHANNEL, NewPipe.getNameOfService(result.service_id), result.url, 0);
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}
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if (disposables != null) disposables.clear();
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if (subscribeButtonMonitor != null) subscribeButtonMonitor.dispose();
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updateSubscription(result);
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monitorSubscription(result);
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}
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@Override
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public void handleNextItems(ListExtractor.NextItemsResult result) {
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super.handleNextItems(result);
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if (!result.errors.isEmpty()) {
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showSnackBarError(result.errors, UserAction.REQUESTED_CHANNEL, NewPipe.getNameOfService(serviceId),
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"Get next page of: " + url, R.string.general_error);
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}
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}
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/*//////////////////////////////////////////////////////////////////////////
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// OnError
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//////////////////////////////////////////////////////////////////////////*/
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@Override
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protected boolean onError(Throwable exception) {
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if (super.onError(exception)) return true;
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int errorId = exception instanceof ExtractionException ? R.string.parsing_error : R.string.general_error;
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onUnrecoverableError(exception, UserAction.REQUESTED_CHANNEL, NewPipe.getNameOfService(serviceId), url, errorId);
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return true;
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Utils
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//////////////////////////////////////////////////////////////////////////*/
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@Override
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public void setTitle(String title) {
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super.setTitle(title);
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headerTitleView.setText(title);
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}
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}
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