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Code Issues Projects Releases Packages Wiki Activity

Remove custom presenter class

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This commit is contained in:
len 2017-01-08 20:56:42 +01:00
parent 72f8c4d5e2
commit 96a39f5c54
6 changed files with 79 additions and 599 deletions
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9
app/src/main/java/eu/kanade/tachiyomi/ui/backup/BackupPresenter.kt
View file

@ -4,6 +4,7 @@ import android.os.Bundle
import eu.kanade.tachiyomi.data.backup.BackupManager
import eu.kanade.tachiyomi.data.database.DatabaseHelper
import eu.kanade.tachiyomi.ui.base.presenter.BasePresenter
import eu.kanade.tachiyomi.util.isNullOrUnsubscribed
import rx.Observable
import rx.Subscription
import rx.android.schedulers.AndroidSchedulers
@ -48,13 +49,13 @@ class BackupPresenter : BasePresenter<BackupFragment>() {
* @param file the path where the file will be saved.
*/
fun createBackup(file: File) {
if (isUnsubscribed(backupSubscription)) {
if (backupSubscription.isNullOrUnsubscribed()) {
backupSubscription = getBackupObservable(file)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribeFirst(
{ view, result -> view.onBackupCompleted(file) },
{ view, error -> view.onBackupError(error) })
BackupFragment::onBackupError)
}
}
@ -64,13 +65,13 @@ class BackupPresenter : BasePresenter<BackupFragment>() {
* @param stream the input stream of the backup file.
*/
fun restoreBackup(stream: InputStream) {
if (isUnsubscribed(restoreSubscription)) {
if (restoreSubscription.isNullOrUnsubscribed()) {
restoreSubscription = getRestoreObservable(stream)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribeFirst(
{ view, result -> view.onRestoreCompleted() },
{ view, error -> view.onRestoreError(error) })
BackupFragment::onRestoreError)
}
}

1
app/src/main/java/eu/kanade/tachiyomi/ui/base/presenter/BasePresenter.kt
View file

@ -1,6 +1,7 @@
package eu.kanade.tachiyomi.ui.base.presenter
import android.content.Context
import nucleus.presenter.RxPresenter
import nucleus.view.ViewWithPresenter
import rx.Observable

492
app/src/main/java/eu/kanade/tachiyomi/ui/base/presenter/RxPresenter.java
View file

@ -1,492 +0,0 @@
package eu.kanade.tachiyomi.ui.base.presenter;
import android.os.Bundle;
import android.support.annotation.CallSuper;
import android.support.annotation.Nullable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import nucleus.presenter.Presenter;
import nucleus.presenter.delivery.DeliverFirst;
import nucleus.presenter.delivery.DeliverLatestCache;
import nucleus.presenter.delivery.DeliverReplay;
import nucleus.presenter.delivery.Delivery;
import rx.Observable;
import rx.Subscription;
import rx.functions.Action1;
import rx.functions.Action2;
import rx.functions.Func0;
import rx.internal.util.SubscriptionList;
import rx.subjects.BehaviorSubject;
/**
* This is an extension of {@link Presenter} which provides RxJava functionality.
*
* @param <View> a type of view.
*/
public class RxPresenter<View> extends Presenter<View> {
private static final String REQUESTED_KEY = RxPresenter.class.getName() + "#requested";
private final BehaviorSubject<View> views = BehaviorSubject.create();
private final SubscriptionList subscriptions = new SubscriptionList();
private final HashMap<Integer, Func0<Subscription>> restartables = new HashMap<>();
private final HashMap<Integer, Subscription> restartableSubscriptions = new HashMap<>();
private final ArrayList<Integer> requested = new ArrayList<>();
/**
* Returns an {@link rx.Observable} that emits the current attached view or null.
* See {@link BehaviorSubject} for more information.
*
* @return an observable that emits the current attached view or null.
*/
public Observable<View> view() {
return views;
}
/**
* Registers a subscription to automatically unsubscribe it during onDestroy.
* See {@link SubscriptionList#add(Subscription) for details.}
*
* @param subscription a subscription to add.
*/
public void add(Subscription subscription) {
subscriptions.add(subscription);
}
/**
* Removes and unsubscribes a subscription that has been registered with {@link #add} previously.
* See {@link SubscriptionList#remove(Subscription)} for details.
*
* @param subscription a subscription to remove.
*/
public void remove(Subscription subscription) {
subscriptions.remove(subscription);
}
/**
* A restartable is any RxJava observable that can be started (subscribed) and
* should be automatically restarted (re-subscribed) after a process restart if
* it was still subscribed at the moment of saving presenter's state.
*
* Registers a factory. Re-subscribes the restartable after the process restart.
*
* @param restartableId id of the restartable
* @param factory factory of the restartable
*/
public void restartable(int restartableId, Func0<Subscription> factory) {
restartables.put(restartableId, factory);
if (requested.contains(restartableId))
start(restartableId);
}
/**
* Starts the given restartable.
*
* @param restartableId id of the restartable
*/
public void start(int restartableId) {
stop(restartableId);
requested.add(restartableId);
restartableSubscriptions.put(restartableId, restartables.get(restartableId).call());
}
/**
* Unsubscribes a restartable
*
* @param restartableId id of a restartable.
*/
public void stop(int restartableId) {
requested.remove((Integer) restartableId);
Subscription subscription = restartableSubscriptions.get(restartableId);
if (subscription != null)
subscription.unsubscribe();
}
/**
* Checks if a restartable is unsubscribed.
*
* @param restartableId id of the restartable.
* @return true if the subscription is null or unsubscribed, false otherwise.
*/
public boolean isUnsubscribed(int restartableId) {
return isUnsubscribed(restartableSubscriptions.get(restartableId));
}
/**
* Checks if a subscription is unsubscribed.
*
* @param subscription the subscription to check.
* @return true if the subscription is null or unsubscribed, false otherwise.
*/
public boolean isUnsubscribed(@Nullable Subscription subscription) {
return subscription == null || subscription.isUnsubscribed();
}
/**
* This is a shortcut that can be used instead of combining together
* {@link #restartable(int, Func0)},
* {@link #deliverFirst()},
* {@link #split(Action2, Action2)}.
*
* @param restartableId an id of the restartable.
* @param observableFactory a factory that should return an Observable when the restartable should run.
* @param onNext a callback that will be called when received data should be delivered to view.
* @param onError a callback that will be called if the source observable emits onError.
* @param <T> the type of the observable.
*/
public <T> void restartableFirst(int restartableId, final Func0<Observable<T>> observableFactory,
final Action2<View, T> onNext, @Nullable final Action2<View, Throwable> onError) {
restartable(restartableId, new Func0<Subscription>() {
@Override
public Subscription call() {
return observableFactory.call()
.compose(RxPresenter.this.<T>deliverFirst())
.subscribe(split(onNext, onError));
}
});
}
/**
* This is a shortcut for calling {@link #restartableFirst(int, Func0, Action2, Action2)} with the last parameter = null.
*/
public <T> void restartableFirst(int restartableId, final Func0<Observable<T>> observableFactory, final Action2<View, T> onNext) {
restartableFirst(restartableId, observableFactory, onNext, null);
}
/**
* This is a shortcut that can be used instead of combining together
* {@link #restartable(int, Func0)},
* {@link #deliverLatestCache()},
* {@link #split(Action2, Action2)}.
*
* @param restartableId an id of the restartable.
* @param observableFactory a factory that should return an Observable when the restartable should run.
* @param onNext a callback that will be called when received data should be delivered to view.
* @param onError a callback that will be called if the source observable emits onError.
* @param <T> the type of the observable.
*/
public <T> void restartableLatestCache(int restartableId, final Func0<Observable<T>> observableFactory,
final Action2<View, T> onNext, @Nullable final Action2<View, Throwable> onError) {
restartable(restartableId, new Func0<Subscription>() {
@Override
public Subscription call() {
return observableFactory.call()
.compose(RxPresenter.this.<T>deliverLatestCache())
.subscribe(split(onNext, onError));
}
});
}
/**
* This is a shortcut for calling {@link #restartableLatestCache(int, Func0, Action2, Action2)} with the last parameter = null.
*/
public <T> void restartableLatestCache(int restartableId, final Func0<Observable<T>> observableFactory, final Action2<View, T> onNext) {
restartableLatestCache(restartableId, observableFactory, onNext, null);
}
/**
* This is a shortcut that can be used instead of combining together
* {@link #restartable(int, Func0)},
* {@link #deliverReplay()},
* {@link #split(Action2, Action2)}.
*
* @param restartableId an id of the restartable.
* @param observableFactory a factory that should return an Observable when the restartable should run.
* @param onNext a callback that will be called when received data should be delivered to view.
* @param onError a callback that will be called if the source observable emits onError.
* @param <T> the type of the observable.
*/
public <T> void restartableReplay(int restartableId, final Func0<Observable<T>> observableFactory,
final Action2<View, T> onNext, @Nullable final Action2<View, Throwable> onError) {
restartable(restartableId, new Func0<Subscription>() {
@Override
public Subscription call() {
return observableFactory.call()
.compose(RxPresenter.this.<T>deliverReplay())
.subscribe(split(onNext, onError));
}
});
}
/**
* This is a shortcut for calling {@link #restartableReplay(int, Func0, Action2, Action2)} with the last parameter = null.
*/
public <T> void restartableReplay(int restartableId, final Func0<Observable<T>> observableFactory, final Action2<View, T> onNext) {
restartableReplay(restartableId, observableFactory, onNext, null);
}
/**
* A startable behaves the same as a restartable but it does not resubscribe on process restart
*
* @param startableId an id of the restartable.
* @param observableFactory a factory that should return an Observable when the startable should run.
*/
public <T> void startable(int startableId, final Func0<Observable<T>> observableFactory) {
restartables.put(startableId, new Func0<Subscription>() {
@Override
public Subscription call() {return observableFactory.call().subscribe();}
});
}
/**
* A startable behaves the same as a restartable but it does not resubscribe on process restart
*
* @param startableId an id of the restartable.
* @param observableFactory a factory that should return an Observable when the startable should run.
* @param onNext a callback that will be called when received data should be delivered to view.
* @param onError a callback that will be called if the source observable emits onError.
*/
public <T> void startable(int startableId, final Func0<Observable<T>> observableFactory,
final Action1<T> onNext, final Action1<Throwable> onError) {
restartables.put(startableId, new Func0<Subscription>() {
@Override
public Subscription call() {return observableFactory.call().subscribe(onNext, onError);}
});
}
/**
* A startable behaves the same as a restartable but it does not resubscribe on process restart
*
* @param startableId an id of the restartable.
* @param observableFactory a factory that should return an Observable when the startable should run.
* @param onNext a callback that will be called when received data should be delivered to view.
*/
public <T> void startable(int startableId, final Func0<Observable<T>> observableFactory, final Action1<T> onNext) {
restartables.put(startableId, new Func0<Subscription>() {
@Override
public Subscription call() {return observableFactory.call().subscribe(onNext);}
});
}
/**
* This is a shortcut that can be used instead of combining together
* {@link #startable(int, Func0)},
* {@link #deliverFirst()},
* {@link #split(Action2, Action2)}.
*
* @param startableId an id of the startable.
* @param observableFactory a factory that should return an Observable when the startable should run.
* @param onNext a callback that will be called when received data should be delivered to view.
* @param onError a callback that will be called if the source observable emits onError.
* @param <T> the type of the observable.
*/
public <T> void startableFirst(int startableId, final Func0<Observable<T>> observableFactory,
final Action2<View, T> onNext, @Nullable final Action2<View, Throwable> onError) {
restartables.put(startableId, new Func0<Subscription>() {
@Override
public Subscription call() {
return observableFactory.call()
.compose(RxPresenter.this.<T>deliverFirst())
.subscribe(split(onNext, onError));
}
});
}
/**
* This is a shortcut for calling {@link #startableFirst(int, Func0, Action2, Action2)} with the last parameter = null.
*/
public <T> void startableFirst(int startableId, final Func0<Observable<T>> observableFactory, final Action2<View, T> onNext) {
startableFirst(startableId, observableFactory, onNext, null);
}
/**
* This is a shortcut that can be used instead of combining together
* {@link #startable(int, Func0)},
* {@link #deliverLatestCache()},
* {@link #split(Action2, Action2)}.
*
* @param startableId an id of the startable.
* @param observableFactory a factory that should return an Observable when the startable should run.
* @param onNext a callback that will be called when received data should be delivered to view.
* @param onError a callback that will be called if the source observable emits onError.
* @param <T> the type of the observable.
*/
public <T> void startableLatestCache(int startableId, final Func0<Observable<T>> observableFactory,
final Action2<View, T> onNext, @Nullable final Action2<View, Throwable> onError) {
restartables.put(startableId, new Func0<Subscription>() {
@Override
public Subscription call() {
return observableFactory.call()
.compose(RxPresenter.this.<T>deliverLatestCache())
.subscribe(split(onNext, onError));
}
});
}
/**
* This is a shortcut for calling {@link #startableLatestCache(int, Func0, Action2, Action2)} with the last parameter = null.
*/
public <T> void startableLatestCache(int startableId, final Func0<Observable<T>> observableFactory, final Action2<View, T> onNext) {
startableLatestCache(startableId, observableFactory, onNext, null);
}
/**
* This is a shortcut that can be used instead of combining together
* {@link #startable(int, Func0)},
* {@link #deliverReplay()},
* {@link #split(Action2, Action2)}.
*
* @param startableId an id of the startable.
* @param observableFactory a factory that should return an Observable when the startable should run.
* @param onNext a callback that will be called when received data should be delivered to view.
* @param onError a callback that will be called if the source observable emits onError.
* @param <T> the type of the observable.
*/
public <T> void startableReplay(int startableId, final Func0<Observable<T>> observableFactory,
final Action2<View, T> onNext, @Nullable final Action2<View, Throwable> onError) {
restartables.put(startableId, new Func0<Subscription>() {
@Override
public Subscription call() {
return observableFactory.call()
.compose(RxPresenter.this.<T>deliverReplay())
.subscribe(split(onNext, onError));
}
});
}
/**
* This is a shortcut for calling {@link #startableReplay(int, Func0, Action2, Action2)} with the last parameter = null.
*/
public <T> void startableReplay(int startableId, final Func0<Observable<T>> observableFactory, final Action2<View, T> onNext) {
startableReplay(startableId, observableFactory, onNext, null);
}
/**
* Returns an {@link rx.Observable.Transformer} that couples views with data that has been emitted by
* the source {@link rx.Observable}.
*
* {@link #deliverLatestCache} keeps the latest onNext value and emits it each time a new view gets attached.
* If a new onNext value appears while a view is attached, it will be delivered immediately.
*
* @param <T> the type of source observable emissions
*/
public <T> DeliverLatestCache<View, T> deliverLatestCache() {
return new DeliverLatestCache<>(views);
}
/**
* Returns an {@link rx.Observable.Transformer} that couples views with data that has been emitted by
* the source {@link rx.Observable}.
*
* {@link #deliverFirst} delivers only the first onNext value that has been emitted by the source observable.
*
* @param <T> the type of source observable emissions
*/
public <T> DeliverFirst<View, T> deliverFirst() {
return new DeliverFirst<>(views);
}
/**
* Returns an {@link rx.Observable.Transformer} that couples views with data that has been emitted by
* the source {@link rx.Observable}.
*
* {@link #deliverReplay} keeps all onNext values and emits them each time a new view gets attached.
* If a new onNext value appears while a view is attached, it will be delivered immediately.
*
* @param <T> the type of source observable emissions
*/
public <T> DeliverReplay<View, T> deliverReplay() {
return new DeliverReplay<>(views);
}
/**
* Returns a method that can be used for manual restartable chain build. It returns an Action1 that splits
* a received {@link Delivery} into two {@link Action2} onNext and onError calls.
*
* @param onNext a method that will be called if the delivery contains an emitted onNext value.
* @param onError a method that will be called if the delivery contains an onError throwable.
* @param <T> a type on onNext value.
* @return an Action1 that splits a received {@link Delivery} into two {@link Action2} onNext and onError calls.
*/
public <T> Action1<Delivery<View, T>> split(final Action2<View, T> onNext, @Nullable final Action2<View, Throwable> onError) {
return new Action1<Delivery<View, T>>() {
@Override
public void call(Delivery<View, T> delivery) {
delivery.split(onNext, onError);
}
};
}
/**
* This is a shortcut for calling {@link #split(Action2, Action2)} when the second parameter is null.
*/
public <T> Action1<Delivery<View, T>> split(Action2<View, T> onNext) {
return split(onNext, null);
}
/**
* {@inheritDoc}
*/
@CallSuper
@Override
protected void onCreate(Bundle savedState) {
if (savedState != null)
requested.addAll(savedState.getIntegerArrayList(REQUESTED_KEY));
}
/**
* {@inheritDoc}
*/
@CallSuper
@Override
protected void onDestroy() {
views.onCompleted();
subscriptions.unsubscribe();
for (Map.Entry<Integer, Subscription> entry : restartableSubscriptions.entrySet())
entry.getValue().unsubscribe();
}
/**
* {@inheritDoc}
*/
@CallSuper
@Override
protected void onSave(Bundle state) {
for (int i = requested.size() - 1; i >= 0; i--) {
int restartableId = requested.get(i);
Subscription subscription = restartableSubscriptions.get(restartableId);
if (subscription != null && subscription.isUnsubscribed())
requested.remove(i);
}
state.putIntegerArrayList(REQUESTED_KEY, requested);
}
/**
* {@inheritDoc}
*/
@CallSuper
@Override
protected void onTakeView(View view) {
views.onNext(view);
}
/**
* {@inheritDoc}
*/
@CallSuper
@Override
protected void onDropView() {
views.onNext(null);
}
/**
* Please, use restartableXX and deliverXX methods for pushing data from RxPresenter into View.
*/
@Deprecated
@Nullable
@Override
public View getView() {
return super.getView();
}
}

5
app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt
View file

@ -8,6 +8,7 @@ import eu.kanade.tachiyomi.ui.base.presenter.BasePresenter
import eu.kanade.tachiyomi.ui.manga.info.ChapterCountEvent
import eu.kanade.tachiyomi.ui.manga.info.MangaFavoriteEvent
import eu.kanade.tachiyomi.util.SharedData
import eu.kanade.tachiyomi.util.isNullOrUnsubscribed
import rx.Observable
import rx.Subscription
import uy.kohesive.injekt.injectLazy
@ -44,10 +45,10 @@ class MangaPresenter : BasePresenter<MangaActivity>() {
}
fun setMangaEvent(event: MangaEvent) {
if (isUnsubscribed(mangaSubscription)) {
if (mangaSubscription.isNullOrUnsubscribed()) {
manga = event.manga
mangaSubscription = Observable.just(manga)
.subscribeLatestCache({ view, manga -> view.onSetManga(manga) })
.subscribeLatestCache(MangaActivity::onSetManga)
}
}

99
app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChaptersPresenter.kt
View file

@ -1,6 +1,7 @@
package eu.kanade.tachiyomi.ui.manga.chapter
import android.os.Bundle
import com.jakewharton.rxrelay.PublishRelay
import eu.kanade.tachiyomi.data.database.DatabaseHelper
import eu.kanade.tachiyomi.data.database.models.Chapter
import eu.kanade.tachiyomi.data.database.models.Manga
@ -15,11 +16,12 @@ import eu.kanade.tachiyomi.ui.manga.MangaEvent
import eu.kanade.tachiyomi.ui.manga.info.ChapterCountEvent
import eu.kanade.tachiyomi.ui.manga.info.MangaFavoriteEvent
import eu.kanade.tachiyomi.util.SharedData
import eu.kanade.tachiyomi.util.isNullOrUnsubscribed
import eu.kanade.tachiyomi.util.syncChaptersWithSource
import rx.Observable
import rx.Subscription
import rx.android.schedulers.AndroidSchedulers
import rx.schedulers.Schedulers
import rx.subjects.PublishSubject
import timber.log.Timber
import uy.kohesive.injekt.injectLazy
@ -69,8 +71,8 @@ class ChaptersPresenter : BasePresenter<ChaptersFragment>() {
/**
* Subject of list of chapters to allow updating the view without going to DB.
*/
val chaptersSubject: PublishSubject<List<ChapterModel>>
by lazy { PublishSubject.create<List<ChapterModel>>() }
val chaptersRelay: PublishRelay<List<ChapterModel>>
by lazy { PublishRelay.create<List<ChapterModel>>() }
/**
* Whether the chapter list has been requested to the source.
@ -78,56 +80,33 @@ class ChaptersPresenter : BasePresenter<ChaptersFragment>() {
var hasRequested = false
private set
companion object {
/**
* Id of the restartable which sends a filtered and ordered list of chapters to the view.
* Subscription to retrieve the new list of chapters from the source.
*/
private const val GET_CHAPTERS = 1
private var fetchChaptersSubscription: Subscription? = null
/**
* Id of the restartable which requests an updated list of chapters to the source.
* Subscription to observe download status changes.
*/
private const val FETCH_CHAPTERS = 2
/**
* Id of the restartable which listens for download status changes.
*/
private const val CHAPTER_STATUS_CHANGES = 3
}
private var observeDownloadsSubscription: Subscription? = null
override fun onCreate(savedState: Bundle?) {
super.onCreate(savedState)
startableLatestCache(GET_CHAPTERS,
// On each subject emission, apply filters and sort then update the view.
{ chaptersSubject
.flatMap { applyChapterFilters(it) }
.observeOn(AndroidSchedulers.mainThread())
}, ChaptersFragment::onNextChapters)
startableFirst(FETCH_CHAPTERS,
{ getRemoteChaptersObservable() },
{ view, result -> view.onFetchChaptersDone() },
ChaptersFragment::onFetchChaptersError)
startableLatestCache(CHAPTER_STATUS_CHANGES,
{ getChapterStatusObservable() },
ChaptersFragment::onChapterStatusChange,
{ view, error -> Timber.e(error) })
// Find the active manga from the shared data or return.
manga = SharedData.get(MangaEvent::class.java)?.manga ?: return
source = sourceManager.get(manga.source)!!
Observable.just(manga)
.subscribeLatestCache(ChaptersFragment::onNextManga)
// Find the source for this manga.
source = sourceManager.get(manga.source)!!
// Prepare the publish subject.
start(GET_CHAPTERS)
// Prepare the relay.
chaptersRelay.flatMap { applyChapterFilters(it) }
.observeOn(AndroidSchedulers.mainThread())
.subscribeLatestCache(ChaptersFragment::onNextChapters,
{ view, error -> Timber.e(error) })
// Add the subscription that retrieves the chapters from the database, keeps subscribed to
// changes, and sends the list of chapters to the publish subject.
// changes, and sends the list of chapters to the relay.
add(db.getChapters(manga).asRxObservable()
.map { chapters ->
// Convert every chapter to a model.
@ -141,12 +120,22 @@ class ChaptersPresenter : BasePresenter<ChaptersFragment>() {
this.chapters = chapters
// Listen for download status changes
start(CHAPTER_STATUS_CHANGES)
observeDownloads()
// Emit the number of chapters to the info tab.
SharedData.get(ChapterCountEvent::class.java)?.emit(chapters.size)
}
.subscribe { chaptersSubject.onNext(it) })
.subscribe { chaptersRelay.call(it) })
}
private fun observeDownloads() {
observeDownloadsSubscription?.let { remove(it) }
observeDownloadsSubscription = downloadManager.queue.getStatusObservable()
.observeOn(AndroidSchedulers.mainThread())
.filter { download -> download.manga.id == manga.id }
.doOnNext { onDownloadStatusChange(it) }
.subscribeLatestCache(ChaptersFragment::onChapterStatusChange,
{ view, error -> Timber.e(error) })
}
/**
@ -186,34 +175,24 @@ class ChaptersPresenter : BasePresenter<ChaptersFragment>() {
*/
fun fetchChaptersFromSource() {
hasRequested = true
start(FETCH_CHAPTERS)
if (!fetchChaptersSubscription.isNullOrUnsubscribed()) return
fetchChaptersSubscription = Observable.defer { source.fetchChapterList(manga) }
.subscribeOn(Schedulers.io())
.map { syncChaptersWithSource(db, it, manga, source) }
.observeOn(AndroidSchedulers.mainThread())
.subscribeFirst({ view, chapters ->
view.onFetchChaptersDone()
}, ChaptersFragment::onFetchChaptersError)
}
/**
* Updates the UI after applying the filters.
*/
private fun refreshChapters() {
chaptersSubject.onNext(chapters)
chaptersRelay.call(chapters)
}
/**
* Returns an observable that updates the chapter list with the latest from the source.
*/
fun getRemoteChaptersObservable(): Observable<Pair<List<Chapter>, List<Chapter>>> =
Observable.defer { source.fetchChapterList(manga) }
.subscribeOn(Schedulers.io())
.map { syncChaptersWithSource(db, it, manga, source) }
.observeOn(AndroidSchedulers.mainThread())
/**
* Returns an observable that listens to download queue status changes.
*/
fun getChapterStatusObservable(): Observable<Download> =
downloadManager.queue.getStatusObservable()
.observeOn(AndroidSchedulers.mainThread())
.filter { download -> download.manga.id == manga.id }
.doOnNext { onDownloadStatusChange(it) }
/**
* Applies the view filters to the list of chapters obtained from the database.
* @param chapters the list of chapters from the database
@ -224,7 +203,7 @@ class ChaptersPresenter : BasePresenter<ChaptersFragment>() {
if (onlyUnread()) {
observable = observable.filter { !it.read }
}
if (onlyRead()) {
else if (onlyRead()) {
observable = observable.filter { it.read }
}
if (onlyDownloaded()) {

62
app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoPresenter.kt
View file

@ -9,7 +9,9 @@ import eu.kanade.tachiyomi.data.source.SourceManager
import eu.kanade.tachiyomi.ui.base.presenter.BasePresenter
import eu.kanade.tachiyomi.ui.manga.MangaEvent
import eu.kanade.tachiyomi.util.SharedData
import eu.kanade.tachiyomi.util.isNullOrUnsubscribed
import rx.Observable
import rx.Subscription
import rx.android.schedulers.AndroidSchedulers
import rx.schedulers.Schedulers
import uy.kohesive.injekt.injectLazy
@ -49,32 +51,21 @@ class MangaInfoPresenter : BasePresenter<MangaInfoFragment>() {
val coverCache: CoverCache by injectLazy()
/**
* The id of the restartable.
* Subscription to send the manga to the view.
*/
private val GET_MANGA = 1
private var viewMangaSubcription: Subscription? = null
/**
* The id of the restartable.
* Subscription to update the manga from the source.
*/
private val FETCH_MANGA_INFO = 2
private var fetchMangaSubscription: Subscription? = null
override fun onCreate(savedState: Bundle?) {
super.onCreate(savedState)
// Notify the view a manga is available or has changed.
startableLatestCache(GET_MANGA,
{ Observable.just(manga) },
{ view, manga -> view.onNextManga(manga, source) })
// Fetch manga info from source.
startableFirst(FETCH_MANGA_INFO,
{ fetchMangaObs() },
{ view, manga -> view.onFetchMangaDone() },
{ view, error -> view.onFetchMangaError() })
manga = SharedData.get(MangaEvent::class.java)?.manga ?: return
source = sourceManager.get(manga.source)!!
refreshManga()
sendMangaToView()
// Update chapter count
SharedData.get(ChapterCountEvent::class.java)?.observable
@ -88,30 +79,34 @@ class MangaInfoPresenter : BasePresenter<MangaInfoFragment>() {
}
/**
* Fetch manga information from source.
* Sends the active manga to the view.
*/
fun fetchMangaFromSource() {
if (isUnsubscribed(FETCH_MANGA_INFO)) {
start(FETCH_MANGA_INFO)
}
fun sendMangaToView() {
viewMangaSubcription?.let { remove(it) }
viewMangaSubcription = Observable.just(manga)
.subscribeLatestCache({ view, manga -> view.onNextManga(manga, source) })
}
/**
* Fetch manga information from source.
*
* @return manga information.
*/
private fun fetchMangaObs(): Observable<Manga> {
return Observable.defer { source.fetchMangaDetails(manga) }
.flatMap { networkManga ->
fun fetchMangaFromSource() {
if (!fetchMangaSubscription.isNullOrUnsubscribed()) return
fetchMangaSubscription = Observable.defer { source.fetchMangaDetails(manga) }
.map { networkManga ->
manga.copyFrom(networkManga)
manga.initialized = true
db.insertManga(manga).executeAsBlocking()
Observable.just<Manga>(manga)
manga
}
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.doOnNext { refreshManga() }
.doOnNext { sendMangaToView() }
.subscribeFirst({ view, manga ->
view.onFetchMangaDone()
}, { view, error ->
view.onFetchMangaError()
})
}
/**
@ -123,19 +118,14 @@ class MangaInfoPresenter : BasePresenter<MangaInfoFragment>() {
coverCache.deleteFromCache(manga.thumbnail_url)
}
db.insertManga(manga).executeAsBlocking()
refreshManga()
sendMangaToView()
}
private fun setFavorite(favorite: Boolean) {
if (manga.favorite == favorite)
if (manga.favorite == favorite) {
return
}
toggleFavorite()
}
/**
* Refresh MangaInfo view.
*/
private fun refreshManga() {
start(GET_MANGA)
}
}