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Code Issues Packages Projects Releases Wiki Activity

Bugfixes in download manager and other minor changes

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This commit is contained in:
inorichi 2015-11-06 20:22:01 +01:00
parent d3a32da62c
commit 17c60644dd
10 changed files with 205 additions and 92 deletions
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1
app/src/main/AndroidManifest.xml
View File

@ -5,6 +5,7 @@
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<application
android:name=".App"

134
app/src/main/java/eu/kanade/mangafeed/data/helpers/DownloadManager.java
View File

@ -7,12 +7,10 @@ import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.JsonReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import eu.kanade.mangafeed.data.models.Chapter;
@ -33,16 +31,18 @@ import timber.log.Timber;
public class DownloadManager {
private PublishSubject<DownloadChaptersEvent> downloadsSubject;
private Subscription downloadSubscription;
private Subscription threadNumberSubscription;
private Context context;
private SourceManager sourceManager;
private PreferencesHelper preferences;
private Gson gson;
private PublishSubject<Download> downloadsQueueSubject;
private BehaviorSubject<Integer> threadsNumber;
private Subscription downloadsSubscription;
private Subscription threadNumberSubscription;
private DownloadQueue queue;
private transient boolean isQueuePaused;
public static final String PAGE_LIST_FILE = "index.json";
@ -54,78 +54,63 @@ public class DownloadManager {
queue = new DownloadQueue();
initializeDownloadSubscription();
initializeDownloadsSubscription();
}
public PublishSubject<DownloadChaptersEvent> getDownloadsSubject() {
return downloadsSubject;
}
private void initializeDownloadSubscription() {
if (downloadSubscription != null && !downloadSubscription.isUnsubscribed()) {
downloadSubscription.unsubscribe();
}
private void initializeDownloadsSubscription() {
if (downloadsSubscription != null && !downloadsSubscription.isUnsubscribed())
downloadsSubscription.unsubscribe();
if (threadNumberSubscription != null && !threadNumberSubscription.isUnsubscribed())
threadNumberSubscription.unsubscribe();
downloadsSubject = PublishSubject.create();
BehaviorSubject<Integer> threads = BehaviorSubject.create();
downloadsQueueSubject = PublishSubject.create();
threadsNumber = BehaviorSubject.create();
threadNumberSubscription = preferences.getDownloadTheadsObs()
.subscribe(threads::onNext);
threadNumberSubscription = preferences.getDownloadTheadsObservable()
.filter(n -> !isQueuePaused)
.doOnNext(n -> isQueuePaused = (n == 0))
.subscribe(threadsNumber::onNext);
// Listen for download events, add them to queue and download
downloadSubscription = downloadsSubject
.subscribeOn(Schedulers.io())
.flatMap(this::prepareDownloads)
.lift(new DynamicConcurrentMergeOperator<>(this::downloadChapter, threads))
downloadsSubscription = downloadsQueueSubject
.observeOn(Schedulers.newThread())
.lift(new DynamicConcurrentMergeOperator<>(this::downloadChapter, threadsNumber))
.onBackpressureBuffer()
.subscribe(page -> {},
e -> Timber.e(e.fillInStackTrace(), e.getMessage()));
}
// Create a download object for every chapter and add it to the downloads queue
private Observable<Download> prepareDownloads(DownloadChaptersEvent event) {
// Create a download object for every chapter in the event and add them to the downloads queue
public void onDownloadChaptersEvent(DownloadChaptersEvent event) {
final Manga manga = event.getManga();
final Source source = sourceManager.get(manga.source);
List<Download> downloads = new ArrayList<>();
for (Chapter chapter : event.getChapters()) {
Download download = new Download(source, manga, chapter);
if (!isChapterDownloaded(download)) {
queue.add(download);
downloads.add(download);
downloadsQueueSubject.onNext(download);
}
}
return Observable.from(downloads);
}
// Check if a chapter is already downloaded
private boolean isChapterDownloaded(Download download) {
// If the chapter is already queued, don't add it again
for (Download queuedDownload : queue.get()) {
if (download.chapter.id == queuedDownload.chapter.id)
if (download.chapter.id.equals(queuedDownload.chapter.id))
return true;
}
// Add the directory to the download object for future access
download.directory = getAbsoluteChapterDirectory(download);
// If the directory doesn't exist, the chapter isn't downloaded. Create it in this case
// If the directory doesn't exist, the chapter isn't downloaded.
if (!download.directory.exists()) {
// FIXME Sometimes it's failing to create the directory... My fault?
try {
DiskUtils.createDirectory(download.directory);
} catch (IOException e) {
Timber.e("Unable to create directory for chapter");
}
return false;
}
// If the page list doesn't exist, the chapter isn't download (or maybe it's,
// but we consider it's not)
List<Page> savedPages = getSavedPageList(download);
@ -142,6 +127,12 @@ public class DownloadManager {
// Download the entire chapter
private Observable<Page> downloadChapter(Download download) {
try {
DiskUtils.createDirectory(download.directory);
} catch (IOException e) {
Timber.e(e.getMessage());
}
Observable<List<Page>> pageListObservable = download.pages == null ?
// Pull page list from network and add them to download object
download.source
@ -152,7 +143,6 @@ public class DownloadManager {
Observable.just(download.pages);
return pageListObservable
.subscribeOn(Schedulers.io())
.doOnNext(pages -> download.setStatus(Download.DOWNLOADING))
// Get all the URLs to the source images, fetch pages if necessary
.flatMap(pageList -> Observable.merge(
@ -161,31 +151,29 @@ public class DownloadManager {
// Start downloading images, consider we can have downloaded images already
.concatMap(page -> getDownloadedImage(page, download.source, download.directory))
// Do after download completes
.doOnCompleted(() -> onChapterDownloaded(download));
.doOnCompleted(() -> onDownloadCompleted(download));
}
// Get downloaded image if exists, otherwise download it with the method below
public Observable<Page> getDownloadedImage(final Page page, Source source, File chapterDir) {
Observable<Page> obs = Observable.just(page);
Observable<Page> pageObservable = Observable.just(page);
if (page.getImageUrl() == null)
return obs;
return pageObservable;
String imageFilename = getImageFilename(page);
File imagePath = new File(chapterDir, imageFilename);
if (!isImageDownloaded(imagePath)) {
page.setStatus(Page.DOWNLOAD_IMAGE);
obs = downloadImage(page, source, chapterDir, imageFilename);
pageObservable = downloadImage(page, source, chapterDir, imageFilename);
}
return obs.flatMap(p -> {
page.setImagePath(imagePath.getAbsolutePath());
page.setStatus(Page.READY);
return Observable.just(page);
}).onErrorResumeNext(e -> {
page.setStatus(Page.ERROR);
return Observable.just(page);
});
return pageObservable
.doOnNext(p -> p.setImagePath(imagePath.getAbsolutePath()))
.doOnNext(p -> p.setStatus(Page.READY))
.doOnError(e -> page.setStatus(Page.ERROR))
// Allow to download the remaining images
.onErrorResumeNext(e -> Observable.just(page));
}
// Download the image
@ -210,31 +198,46 @@ public class DownloadManager {
}
private boolean isImageDownloaded(File imagePath) {
return imagePath.exists() && !imagePath.isDirectory();
return imagePath.exists();
}
private void onChapterDownloaded(final Download download) {
download.setStatus(Download.DOWNLOADED);
download.totalProgress = download.pages.size() * 100;
savePageList(download.source, download.manga, download.chapter, download.pages);
// Called when a download finishes. This doesn't mean the download was successful, so we check it
private void onDownloadCompleted(final Download download) {
checkDownloadIsSuccessful(download);
savePageList(download);
}
private void checkDownloadIsSuccessful(final Download download) {
int expectedProgress = download.pages.size() * 100;
int actualProgress = 0;
int status = Download.DOWNLOADED;
// If any page has an error, the download result will be error
for (Page page : download.pages) {
actualProgress += page.getProgress();
if (page.getStatus() == Page.ERROR) status = Download.ERROR;
}
// If the download is successful, it's safer to use the expected progress
download.totalProgress = (status == Download.DOWNLOADED) ? expectedProgress : actualProgress;
download.setStatus(status);
}
// Return the page list from the chapter's directory if it exists, null otherwise
public List<Page> getSavedPageList(Source source, Manga manga, Chapter chapter) {
List<Page> pages = null;
File chapterDir = getAbsoluteChapterDirectory(source, manga, chapter);
File pagesFile = new File(chapterDir, PAGE_LIST_FILE);
try {
if (pagesFile.exists()) {
JsonReader reader = new JsonReader(new FileReader(pagesFile.getAbsolutePath()));
Type collectionType = new TypeToken<List<Page>>() {}.getType();
return gson.fromJson(reader, collectionType);
pages = gson.fromJson(reader, collectionType);
reader.close();
}
} catch (FileNotFoundException e) {
} catch (Exception e) {
Timber.e(e.fillInStackTrace(), e.getMessage());
}
return null;
return pages;
}
// Shortcut for the method above
@ -287,4 +290,13 @@ public class DownloadManager {
public DownloadQueue getQueue() {
return queue;
}
public void pauseDownloads() {
threadsNumber.onNext(0);
}
public void resumeDownloads() {
isQueuePaused = false;
threadsNumber.onNext(preferences.getDownloadThreads());
}
}

2
app/src/main/java/eu/kanade/mangafeed/data/helpers/PreferencesHelper.java
View File

@ -68,7 +68,7 @@ public class PreferencesHelper {
return Integer.parseInt(prefs.getString(getKey(R.string.pref_download_threads_key), "1"));
}
public Observable<Integer> getDownloadTheadsObs() {
public Observable<Integer> getDownloadTheadsObservable() {
return rxPrefs.getString(getKey(R.string.pref_download_threads_key), "1")
.asObservable().map(Integer::parseInt);
}

30
app/src/main/java/eu/kanade/mangafeed/data/services/DownloadService.java
View File

@ -3,6 +3,8 @@ package eu.kanade.mangafeed.data.services;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.os.IBinder;
import javax.inject.Inject;
@ -12,14 +14,18 @@ import eu.kanade.mangafeed.App;
import eu.kanade.mangafeed.data.helpers.DownloadManager;
import eu.kanade.mangafeed.events.DownloadChaptersEvent;
import eu.kanade.mangafeed.util.AndroidComponentUtil;
import eu.kanade.mangafeed.util.ContentObservable;
import eu.kanade.mangafeed.util.EventBusHook;
import rx.Subscription;
public class DownloadService extends Service {
@Inject DownloadManager downloadManager;
public static Intent getStartIntent(Context context) {
return new Intent(context, DownloadService.class);
private Subscription networkChangeSubscription;
public static void start(Context context) {
context.startService(new Intent(context, DownloadService.class));
}
public static boolean isRunning(Context context) {
@ -30,6 +36,7 @@ public class DownloadService extends Service {
public void onCreate() {
super.onCreate();
App.get(this).getComponent().inject(this);
listenNetworkChanges();
EventBus.getDefault().registerSticky(this);
}
@ -39,6 +46,13 @@ public class DownloadService extends Service {
return START_STICKY;
}
@Override
public void onDestroy() {
EventBus.getDefault().unregister(this);
networkChangeSubscription.unsubscribe();
super.onDestroy();
}
@Override
public IBinder onBind(Intent intent) {
return null;
@ -46,14 +60,16 @@ public class DownloadService extends Service {
@EventBusHook
public void onEvent(DownloadChaptersEvent event) {
downloadManager.getDownloadsSubject().onNext(event);
EventBus.getDefault().removeStickyEvent(event);
downloadManager.onDownloadChaptersEvent(event);
}
@Override
public void onDestroy() {
EventBus.getDefault().unregister(this);
super.onDestroy();
private void listenNetworkChanges() {
IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
networkChangeSubscription = ContentObservable.fromBroadcast(this, intentFilter)
.subscribe(state -> {
// TODO
});
}
}

12
app/src/main/java/eu/kanade/mangafeed/ui/fragment/LibraryFragment.java
View File

@ -21,7 +21,6 @@ import eu.kanade.mangafeed.R;
import eu.kanade.mangafeed.data.models.Manga;
import eu.kanade.mangafeed.data.services.LibraryUpdateService;
import eu.kanade.mangafeed.presenter.LibraryPresenter;
import eu.kanade.mangafeed.ui.activity.MainActivity;
import eu.kanade.mangafeed.ui.activity.MangaDetailActivity;
import eu.kanade.mangafeed.ui.adapter.LibraryAdapter;
import eu.kanade.mangafeed.ui.fragment.base.BaseRxFragment;
@ -31,7 +30,6 @@ import nucleus.factory.RequiresPresenter;
public class LibraryFragment extends BaseRxFragment<LibraryPresenter> {
@Bind(R.id.gridView) GridView grid;
private MainActivity activity;
private LibraryAdapter adapter;
public static LibraryFragment newInstance() {
@ -45,8 +43,6 @@ public class LibraryFragment extends BaseRxFragment<LibraryPresenter> {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
activity = (MainActivity)getActivity();
}
@Override
@ -54,7 +50,7 @@ public class LibraryFragment extends BaseRxFragment<LibraryPresenter> {
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_library, container, false);
activity.setToolbarTitle(getString(R.string.library_title));
setToolbarTitle(getString(R.string.library_title));
ButterKnife.bind(this, view);
createAdapter();
@ -73,9 +69,9 @@ public class LibraryFragment extends BaseRxFragment<LibraryPresenter> {
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_refresh:
if (!LibraryUpdateService.isRunning(activity)) {
Intent intent = LibraryUpdateService.getStartIntent(activity);
activity.startService(intent);
if (!LibraryUpdateService.isRunning(getActivity())) {
Intent intent = LibraryUpdateService.getStartIntent(getActivity());
getActivity().startService(intent);
}
return true;

3
app/src/main/java/eu/kanade/mangafeed/ui/fragment/MangaChaptersFragment.java
View File

@ -131,8 +131,7 @@ public class MangaChaptersFragment extends BaseRxFragment<MangaChaptersPresenter
getPresenter().markChaptersRead(getSelectedChapters(), false);
return true;
case R.id.action_download:
Intent intent = DownloadService.getStartIntent(getActivity());
getActivity().startService(intent);
DownloadService.start(getActivity());
getPresenter().downloadChapters(getSelectedChapters());
closeActionMode();
return true;

10
app/src/main/java/eu/kanade/mangafeed/ui/fragment/SourceFragment.java
View File

@ -26,19 +26,12 @@ public class SourceFragment extends BaseRxFragment<SourcePresenter> {
@Bind(R.id.catalogue_list) ListView source_list;
private MainActivity activity;
private EasyAdapter<Source> adapter;
public static SourceFragment newInstance() {
return new SourceFragment();
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
activity = (MainActivity)getActivity();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
@ -56,6 +49,7 @@ public class SourceFragment extends BaseRxFragment<SourcePresenter> {
@OnItemClick(R.id.catalogue_list)
public void onSourceClick(int position) {
Source source = adapter.getItem(position);
MainActivity activity = (MainActivity) getActivity();
if (getPresenter().isValidSource(source)) {
CatalogueFragment fragment = CatalogueFragment.newInstance(source.getSourceId());
@ -66,7 +60,7 @@ public class SourceFragment extends BaseRxFragment<SourcePresenter> {
}
private void createAdapter() {
adapter = new EasyAdapter<>(activity, SourceHolder.class);
adapter = new EasyAdapter<>(getActivity(), SourceHolder.class);
source_list.setAdapter(adapter);
}

8
app/src/main/java/eu/kanade/mangafeed/ui/fragment/base/BaseFragment.java
View File

@ -7,11 +7,15 @@ import eu.kanade.mangafeed.ui.activity.base.BaseActivity;
public class BaseFragment extends Fragment {
public void setToolbarTitle(String title) {
((BaseActivity)getActivity()).setToolbarTitle(title);
getBaseActivity().setToolbarTitle(title);
}
public void setToolbarTitle(int resourceId) {
((BaseActivity)getActivity()).setToolbarTitle(getString(resourceId));
getBaseActivity().setToolbarTitle(getString(resourceId));
}
public BaseActivity getBaseActivity() {
return (BaseActivity) getActivity();
}
}

93
app/src/main/java/eu/kanade/mangafeed/util/ContentObservable.java Normal file
View File

@ -0,0 +1,93 @@
/**
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package eu.kanade.mangafeed.util;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Handler;
import rx.Observable;
import rx.Subscriber;
import rx.Subscription;
import rx.functions.Action0;
import rx.subscriptions.Subscriptions;
public final class ContentObservable {
private ContentObservable() {
throw new AssertionError("No instances");
}
/**
* Create Observable that wraps BroadcastReceiver and emits received intents.
*
* @param filter Selects the Intent broadcasts to be received.
*/
public static Observable<Intent> fromBroadcast(Context context, IntentFilter filter){
return Observable.create(new OnSubscribeBroadcastRegister(context, filter, null, null));
}
/**
* Create Observable that wraps BroadcastReceiver and emits received intents.
*
* @param filter Selects the Intent broadcasts to be received.
* @param broadcastPermission String naming a permissions that a
* broadcaster must hold in order to send an Intent to you. If null,
* no permission is required.
* @param schedulerHandler Handler identifying the thread that will receive
* the Intent. If null, the main thread of the process will be used.
*/
public static Observable<Intent> fromBroadcast(Context context, IntentFilter filter, String broadcastPermission, Handler schedulerHandler){
return Observable.create(new OnSubscribeBroadcastRegister(context, filter, broadcastPermission, schedulerHandler));
}
static class OnSubscribeBroadcastRegister implements Observable.OnSubscribe<Intent> {
private final Context context;
private final IntentFilter intentFilter;
private final String broadcastPermission;
private final Handler schedulerHandler;
public OnSubscribeBroadcastRegister(Context context, IntentFilter intentFilter, String broadcastPermission, Handler schedulerHandler) {
this.context = context;
this.intentFilter = intentFilter;
this.broadcastPermission = broadcastPermission;
this.schedulerHandler = schedulerHandler;
}
@Override
public void call(final Subscriber<? super Intent> subscriber) {
final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
subscriber.onNext(intent);
}
};
final Subscription subscription = Subscriptions.create(new Action0() {
@Override
public void call() {
context.unregisterReceiver(broadcastReceiver);
}
});
subscriber.add(subscription);
context.registerReceiver(broadcastReceiver, intentFilter, broadcastPermission, schedulerHandler);
}
}
}

4
app/src/main/java/eu/kanade/mangafeed/util/DiskUtils.java
View File

@ -115,9 +115,7 @@ public final class DiskUtils {
}
public static File saveBufferedSourceToDirectory(BufferedSource bufferedSource, File directory, String name) throws IOException {
if (!directory.exists() && !directory.mkdirs()) {
throw new IOException("Failed Creating Directory");
}
createDirectory(directory);
File writeFile = new File(directory, name);
if (writeFile.exists()) {