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Use subscriptions in onCreate method in CataloguePresenter

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This commit is contained in:
inorichi
2015-10-19 02:57:00 +02:00
parent 1719959bc8
commit 264d627dea
7 changed files with 130 additions and 122 deletions
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app/src/main/java/eu/kanade/mangafeed/presenter/CataloguePresenter.java
+51 -69
View File
@@ -1,7 +1,6 @@
package eu.kanade.mangafeed.presenter;
import android.os.Bundle;
import android.support.annotation.NonNull;
import java.util.ArrayList;
import java.util.List;
@@ -14,11 +13,13 @@ import eu.kanade.mangafeed.data.helpers.SourceManager;
import eu.kanade.mangafeed.data.models.Manga;
import eu.kanade.mangafeed.sources.Source;
import eu.kanade.mangafeed.ui.activity.CatalogueActivity;
import eu.kanade.mangafeed.util.PageBundle;
import eu.kanade.mangafeed.util.RxPager;
import icepick.State;
import nucleus.presenter.RxPresenter;
import rx.Observable;
import rx.Subscription;
import rx.android.schedulers.AndroidSchedulers;
import rx.internal.util.SubscriptionList;
import rx.schedulers.Schedulers;
import rx.subjects.PublishSubject;
import timber.log.Timber;
@@ -33,28 +34,34 @@ public class CataloguePresenter extends RxPresenter<CatalogueActivity> {
private String mSearchName;
private boolean mSearchMode;
private final int SEARCH_TIMEOUT = 1000;
private int mCurrentPage = 1;
private Subscription mMangaFetchSubscription;
private Subscription mMangaSearchSubscription;
@State protected int mCurrentPage;
private RxPager pager;
private Subscription mSearchViewSubscription;
private Subscription mMangaDetailFetchSubscription;
private PublishSubject<Observable<String>> mSearchViewPublishSubject;
private PublishSubject<Observable<List<Manga>>> mMangaDetailPublishSubject;
private SubscriptionList mResultSubscriptions = new SubscriptionList();
private final String CURRENT_PAGE = "CATALOGUE_CURRENT_PAGE";
private static final int GET_MANGA_LIST = 1;
@Override
protected void onCreate(Bundle savedState) {
super.onCreate(savedState);
if (savedState != null) {
mCurrentPage = savedState.getInt(CURRENT_PAGE);
}
restartableReplay(GET_MANGA_LIST,
() -> pager.pages().<PageBundle<List<Manga>>>concatMap(
page -> getMangaObs(page + 1)
.map(mangas -> new PageBundle<>(page, mangas))
.observeOn(AndroidSchedulers.mainThread())
),
(view, page) -> {
view.hideProgressBar();
view.onAddPage(page);
if (mMangaDetailPublishSubject != null)
mMangaDetailPublishSubject.onNext(Observable.just(page.data));
});
selectedSource = sourceManager.getSelectedSource();
getMangasFromSource(mCurrentPage);
initializeSearch();
initializeMangaDetailsLoader();
}
@@ -63,24 +70,40 @@ public class CataloguePresenter extends RxPresenter<CatalogueActivity> {
protected void onTakeView(CatalogueActivity view) {
super.onTakeView(view);
view.setScrollPage(mCurrentPage - 1);
view.setToolbarTitle(selectedSource.getName());
if (view.getAdapter().getCount() == 0)
view.showProgressBar();
}
@Override
protected void onSave(@NonNull Bundle state) {
super.onSave(state);
state.putInt(CURRENT_PAGE, mCurrentPage);
public void requestNext() {
pager.requestNext(++mCurrentPage);
}
@Override
protected void onDestroy() {
super.onDestroy();
mResultSubscriptions.unsubscribe();
public void initializeRequest(int source_id) {
this.selectedSource = sourceManager.get(source_id);
restartRequest();
}
private void restartRequest() {
stop(GET_MANGA_LIST);
mCurrentPage = 1;
pager = new RxPager();
start(GET_MANGA_LIST);
}
private Observable<List<Manga>> getMangaObs(int page) {
Observable<List<Manga>> obs;
if (mSearchMode)
obs = selectedSource.searchMangasFromNetwork(mSearchName, page);
else
obs = selectedSource.pullPopularMangasFromNetwork(page);
return obs.subscribeOn(Schedulers.io())
.flatMap(Observable::from)
.map(this::networkToLocalManga)
.toList()
.observeOn(AndroidSchedulers.mainThread());
}
private void initializeSearch() {
@@ -134,36 +157,6 @@ public class CataloguePresenter extends RxPresenter<CatalogueActivity> {
add(mMangaDetailFetchSubscription);
}
public void getMangasFromSource(int page) {
mMangaFetchSubscription = getMangasSubscriber(
selectedSource.pullPopularMangasFromNetwork(page));
mResultSubscriptions.add(mMangaFetchSubscription);
}
public void getMangasFromSearch(int page) {
mMangaSearchSubscription = getMangasSubscriber(
selectedSource.searchMangasFromNetwork(mSearchName, page));
mResultSubscriptions.add(mMangaSearchSubscription);
}
private Subscription getMangasSubscriber(Observable<List<Manga>> mangas) {
return mangas
.subscribeOn(Schedulers.io())
.flatMap(Observable::from)
.map(this::networkToLocalManga)
.toList()
.observeOn(AndroidSchedulers.mainThread())
.compose(deliverReplay())
.subscribe(this.split((view, newMangas) -> {
view.hideProgressBar();
view.onMangasNext(newMangas);
if (mMangaDetailPublishSubject != null)
mMangaDetailPublishSubject.onNext(Observable.just(newMangas));
}));
}
private Manga networkToLocalManga(Manga networkManga) {
Manga localManga = db.getMangaBlock(networkManga.url);
if (localManga == null) {
@@ -186,31 +179,20 @@ public class CataloguePresenter extends RxPresenter<CatalogueActivity> {
// If going to search mode
else if (mSearchName.equals("") && !query.equals("")) {
mSearchMode = true;
mResultSubscriptions.clear();
}
// If going to normal mode
else if (!mSearchName.equals("") && query.equals("")) {
mSearchMode = false;
mResultSubscriptions.clear();
}
mSearchName = query;
getView().getAdapter().getItems().clear();
getView().showProgressBar();
getView().resetScrollListener();
loadMoreMangas(1);
}
public void loadMoreMangas(int page) {
if (page > 1) {
getView().showGridProgressBar();
if (getView() != null) {
if (mCurrentPage == 1)
getView().showProgressBar();
else
getView().showGridProgressBar();
}
if (mSearchMode) {
getMangasFromSearch(page);
} else {
getMangasFromSource(page);
}
mCurrentPage = page;
restartRequest();
}
}