Initial download manager

app/src/main/java/eu/kanade/mangafeed/ui/fragment/MangaChaptersFragment.java

@@ -18,8 +18,11 @@ import java.util.List;
 
 import butterknife.Bind;
 import butterknife.ButterKnife;
+import de.greenrobot.event.EventBus;
 import eu.kanade.mangafeed.R;
 import eu.kanade.mangafeed.data.models.Chapter;
+import eu.kanade.mangafeed.data.services.DownloadService;
+import eu.kanade.mangafeed.events.DownloadChapterEvent;
 import eu.kanade.mangafeed.presenter.MangaChaptersPresenter;
 import eu.kanade.mangafeed.ui.activity.MangaDetailActivity;
 import eu.kanade.mangafeed.ui.activity.ReaderActivity;
@@ -28,6 +31,8 @@ import eu.kanade.mangafeed.ui.adapter.ChaptersAdapter;
 import eu.kanade.mangafeed.ui.fragment.base.BaseRxFragment;
 import nucleus.factory.RequiresPresenter;
 import rx.Observable;
+import rx.Subscription;
+import rx.schedulers.Schedulers;
 
 @RequiresPresenter(MangaChaptersPresenter.class)
 public class MangaChaptersFragment extends BaseRxFragment<MangaChaptersPresenter> implements
@@ -39,6 +44,7 @@ public class MangaChaptersFragment extends BaseRxFragment<MangaChaptersPresenter
     private ChaptersAdapter adapter;
 
     private ActionMode actionMode;
+    private Subscription downloadSubscription;
 
     public static Fragment newInstance() {
         return new MangaChaptersFragment();
@@ -64,6 +70,15 @@ public class MangaChaptersFragment extends BaseRxFragment<MangaChaptersPresenter
         return view;
     }
 
+    @Override
+    public void onStart() {
+        super.onStart();
+        if (!DownloadService.isRunning(getActivity())) {
+            Intent intent = DownloadService.getStartIntent(getActivity());
+            getActivity().startService(intent);
+        }
+    }
+
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         inflater.inflate(R.menu.chapters, menu);
@@ -130,6 +145,9 @@ public class MangaChaptersFragment extends BaseRxFragment<MangaChaptersPresenter
             case R.id.action_mark_as_unread:
                 getPresenter().markChaptersRead(getSelectedChapters(), false);
                 return true;
+            case R.id.action_download:
+                onDownloadChapters();
+                return true;
         }
         return false;
     }
@@ -188,4 +206,20 @@ public class MangaChaptersFragment extends BaseRxFragment<MangaChaptersPresenter
     private void setContextTitle(int count) {
         actionMode.setTitle(getString(R.string.selected_chapters_title, count));
     }
+
+    private void onDownloadChapters() {
+        if (downloadSubscription != null && !downloadSubscription.isUnsubscribed()) {
+            downloadSubscription.unsubscribe();
+            downloadSubscription = null;
+        }
+
+        downloadSubscription = getSelectedChapters()
+                .subscribeOn(Schedulers.io())
+                .subscribe(chapter -> {
+                    EventBus.getDefault().post(
+                            new DownloadChapterEvent(getPresenter().getManga(), chapter));
+                    downloadSubscription.unsubscribe();
+                });
+    }
+
 }