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Code Issues Releases Wiki Activity

Refactor BookDownloadManager to Kotlin

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I don't like that I had to make one static method a class method, but I like how much cleaner everything else is!
This commit is contained in:
Bradlee Speice 2014-11-11 22:55:31 -05:00
parent 86adeb4951
commit 7cfe273cb6
5 changed files with 120 additions and 177 deletions
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14
app/src/androidTest/java/org/bspeice/minimalbible/test/activity/downloader/manager/BookDownloadManagerTest.java
View File

@ -91,7 +91,7 @@ public class BookDownloadManagerTest extends MBTestCase implements Injector {
public void testJobIdMatch() {
final Book toInstall = installableBooks().toBlocking().first();
final String jobName = BookDownloadManager.getJobId(toInstall);
final String jobName = bookDownloadManager.getJobId(toInstall);
final AtomicBoolean jobNameMatch = new AtomicBoolean(false);
JobManager.addWorkListener(new WorkListener() {
@ -138,12 +138,6 @@ public class BookDownloadManagerTest extends MBTestCase implements Injector {
prefs = mock(DownloadPrefs.class);
}
@Provides
@Singleton
Injector provideInjector() {
return i;
}
@Provides
@Singleton
Books provideBooks() {
@ -170,5 +164,11 @@ public class BookDownloadManagerTest extends MBTestCase implements Injector {
return new RefreshManager(installers,
prefs, manager);
}
@Provides
@Singleton
BookDownloadManager bookDownloadManager(Books installed, RefreshManager rm) {
return new BookDownloadManager(installed, rm);
}
}
}

6
app/src/main/java/org/bspeice/minimalbible/activity/downloader/BookItemHolder.java
View File

@ -35,6 +35,7 @@ public class BookItemHolder {
// TODO: The holder should register and unregister itself for DownloadProgress events
// so that we can display live updates.
private final Book b;
@InjectView(R.id.download_txt_item_acronym)
TextView acronym;
@InjectView(R.id.txt_download_item_name)
@ -43,15 +44,12 @@ public class BookItemHolder {
ImageButton isDownloaded;
@InjectView(R.id.download_prg_download)
ProgressWheel downloadProgress;
@Inject
BookDownloadManager bookDownloadManager;
@Inject
InstalledManager installedManager;
@Inject @Named("DownloadActivityContext")
Context ctx;
private final Book b;
private Subscription subscription;
// TODO: Factory style?
@ -64,7 +62,7 @@ public class BookItemHolder {
public void bindHolder() {
acronym.setText(b.getInitials());
itemName.setText(b.getName());
DLProgressEvent dlProgressEvent = bookDownloadManager.getInProgressDownloadProgress(b);
DLProgressEvent dlProgressEvent = bookDownloadManager.getDownloadProgress(b);
if (dlProgressEvent != null) {
displayProgress((int) dlProgressEvent.toCircular());
} else if (installedManager.isInstalled(b)) {

6
app/src/main/java/org/bspeice/minimalbible/activity/downloader/DownloadActivityModules.java
View File

@ -77,8 +77,8 @@ public class DownloadActivityModules {
}
@Provides @Singleton
BookDownloadManager provideBookDownloadManager() {
return new BookDownloadManager(activity);
BookDownloadManager provideBookDownloadManager(Books installedBooks, RefreshManager rm) {
return new BookDownloadManager(installedBooks, rm);
}
@Provides @Singleton
@ -94,7 +94,7 @@ public class DownloadActivityModules {
//TODO: Move this to a true async
@Provides @Singleton
Books provideInstalledBooksManager() {
Books provideInstalledBooks() {
return Books.installed();
}

163
app/src/main/java/org/bspeice/minimalbible/activity/downloader/manager/BookDownloadManager.java
View File

@ -1,163 +0,0 @@
package org.bspeice.minimalbible.activity.downloader.manager;
import android.util.Log;
import org.bspeice.minimalbible.Injector;
import org.crosswire.common.progress.JobManager;
import org.crosswire.common.progress.Progress;
import org.crosswire.common.progress.WorkEvent;
import org.crosswire.common.progress.WorkListener;
import org.crosswire.jsword.book.Book;
import org.crosswire.jsword.book.Books;
import org.crosswire.jsword.book.BooksEvent;
import org.crosswire.jsword.book.BooksListener;
import org.crosswire.jsword.book.install.InstallException;
import org.crosswire.jsword.book.install.Installer;
import java.util.HashMap;
import java.util.Map;
import javax.inject.Inject;
import javax.inject.Singleton;
import rx.Observable;
import rx.functions.Action1;
import rx.schedulers.Schedulers;
import rx.subjects.PublishSubject;
/**
* Wrapper to convert JSword progress events to MinimalBible EventBus-based
*/
//TODO: Make sure that jobs have the correct name
//TODO: Install indexes for Bibles
@Singleton
public class BookDownloadManager implements WorkListener, BooksListener {
/**
* Mapping of Job ID to the EventBus we should trigger progress on
*/
private final Map<String, Book> bookMappings;
/**
* Cached copy of downloads in progress so views displaying this info can get it quickly.
*/
private final Map<Book, DLProgressEvent> inProgressDownloads;
private final PublishSubject<DLProgressEvent> downloadEvents = PublishSubject.create();
@Inject Books installedBooks;
@Inject RefreshManager refreshManager;
@Inject
public BookDownloadManager(Injector injector) {
bookMappings = new HashMap<String, Book>();
inProgressDownloads = new HashMap<Book, DLProgressEvent>();
JobManager.addWorkListener(this);
injector.inject(this);
installedBooks.addBooksListener(this);
}
/**
* Build what the installer creates the job name as.
* Likely prone to be brittle.
*
* @param b The book to predict the download job name of
* @return The name of the job that will/is download/ing this book
*/
public static String getJobId(Book b) {
return "INSTALL_BOOK-" + b.getInitials();
}
public void installBook(Book b) {
downloadBook(b);
addJob(getJobId(b), b);
downloadEvents.onNext(new DLProgressEvent(DLProgressEvent.PROGRESS_BEGINNING, b));
}
public void addJob(String jobId, Book b) {
bookMappings.put(jobId, b);
}
public void downloadBook(final Book b) {
// So, the JobManager can't be injected, but we'll make do
// First, look up where the Book came from
Observable.just(refreshManager.installerFromBook(b))
.subscribeOn(Schedulers.io())
.subscribe(new Action1<Observable<Installer>>() {
@Override
public void call(Observable<Installer> installerObservable) {
try {
installerObservable.toBlocking().first().install(b);
} catch (InstallException e) {
e.printStackTrace();
}
}
});
getDownloadEvents()
.onNext(new DLProgressEvent(DLProgressEvent.PROGRESS_BEGINNING, b));
}
@Override
public void workProgressed(WorkEvent ev) {
Progress job = ev.getJob();
Log.d("BookDownloadManager", "Download in progress: " + job.getJobID() + " - " + job.getJobName() + " " + job.getWorkDone() + "/" + job.getTotalWork());
if (bookMappings.containsKey(job.getJobID())) {
Book b = bookMappings.get(job.getJobID());
if (job.getWorkDone() == job.getTotalWork()) {
// Download is complete
inProgressDownloads.remove(bookMappings.get(job.getJobID()));
bookMappings.remove(job.getJobID());
downloadEvents.onNext(new DLProgressEvent(DLProgressEvent.PROGRESS_COMPLETE, b));
} else {
// Track the ongoing download
DLProgressEvent event = new DLProgressEvent(
(job.getWorkDone() / job.getTotalWork()) * 100,
b);
inProgressDownloads.put(b, event);
downloadEvents.onNext(event);
}
}
}
/**
* Check the status of a book download in progress.
* @param b The book to get the current progress of
* @return The most recent DownloadProgressEvent for the book, or null if not downloading
*/
public DLProgressEvent getInProgressDownloadProgress(Book b) {
if (inProgressDownloads.containsKey(b)) {
return inProgressDownloads.get(b);
} else {
return null;
}
}
public PublishSubject<DLProgressEvent> getDownloadEvents() {
return downloadEvents;
}
@Override
public void workStateChanged(WorkEvent ev) {
Log.d("BookDownloadManager", ev.toString());
}
@Override
public void bookAdded(BooksEvent booksEvent) {
// It's possible the install finished before we received a progress event for it,
// we handle that case here.
Book b = booksEvent.getBook();
Log.d("BookDownloadManager", "Book added: " + b.getName());
if (inProgressDownloads.containsKey(b)) {
inProgressDownloads.remove(b);
}
// Not sure why, but the inProgressDownloads might not have our book,
// so we always trigger the PROGRESS_COMPLETE event.
// TODO: Make sure all books get to the inProgressDownloads
downloadEvents.onNext(new DLProgressEvent(DLProgressEvent.PROGRESS_COMPLETE, b));
}
@Override
public void bookRemoved(BooksEvent booksEvent) {
// Not too worried about this just yet.
}
}

108
app/src/main/kotlin/org/bspeice/minimalbible/activity/downloader/manager/BookDownloadManager.kt Normal file
View File

@ -0,0 +1,108 @@
package org.bspeice.minimalbible.activity.downloader.manager
import android.util.Log;
import org.crosswire.common.progress.JobManager;
import org.crosswire.common.progress.WorkEvent;
import org.crosswire.common.progress.WorkListener;
import org.crosswire.jsword.book.Book;
import org.crosswire.jsword.book.Books;
import org.crosswire.jsword.book.BooksEvent;
import org.crosswire.jsword.book.BooksListener;
import rx.Observable;
import rx.schedulers.Schedulers;
import rx.subjects.PublishSubject;
/**
* Single point of authority for what is being downloaded and its progress
*/
//TODO: Install indexes for Bibles
class BookDownloadManager(val installedBooks: Books, val rM: RefreshManager) :
WorkListener, BooksListener {
/**
* Cached copy of downloads in progress so views displaying this info can get it quickly.
*/
// TODO: Combine to one map
var bookMappings: MutableMap<String, Book> = hashMapOf()
var inProgressDownloads: MutableMap<Book, DLProgressEvent> = hashMapOf()
val downloadEvents: PublishSubject<DLProgressEvent> = PublishSubject.create();
{
JobManager.addWorkListener(this)
installedBooks.addBooksListener(this)
}
/**
* Build what the installer creates the job name as.
* This technically could be static, but Kotlin won't have none of that.
*
* @param b The book to predict the download job name of
* @return The name of the job that will/is download/ing this book
*/
fun getJobId(b: Book) = "INSTALL_BOOK-" + b.getInitials()
fun installBook(b: Book) {
downloadBook(b)
addJob(getJobId(b), b)
downloadEvents onNext DLProgressEvent(DLProgressEvent.PROGRESS_BEGINNING, b)
}
fun addJob(jobId: String, b: Book) {
bookMappings.put(jobId, b)
}
fun downloadBook(b: Book) {
// First, look up where the Book came from
Observable.just(rM installerFromBook b)
.subscribeOn(Schedulers.io())
.subscribe { it.toBlocking().first().install(b) }
downloadEvents onNext DLProgressEvent(DLProgressEvent.PROGRESS_BEGINNING, b)
}
// TODO: I have a strange feeling I can simplify this further...
override fun workProgressed(ev: WorkEvent) {
val job = ev.getJob()
bookMappings.filter { it.getKey() == job.getJobID() }
.map {
val event = DLProgressEvent(job.getWorkDone() / job.getTotalWork() * 100,
it.getValue())
downloadEvents onNext event
if (job.getWorkDone() == job.getTotalWork()) {
inProgressDownloads remove bookMappings.get(job.getJobID())
bookMappings remove job.getJobID()
} else
inProgressDownloads.put(it.getValue(), event)
}
}
/**
* Check the status of a book download in progress.
* @param b The book to get the current progress of
* @return The most recent DownloadProgressEvent for the book, or null if not downloading
*/
fun getDownloadProgress(b: Book) = inProgressDownloads.get(b)
override fun workStateChanged(ev: WorkEvent) {
Log.d("BookDownloadManager", ev.toString())
}
override fun bookAdded(booksEvent: BooksEvent) {
// It's possible the install finished before we received a progress event for it,
// we handle that case here.
val b = booksEvent.getBook()
Log.d("BookDownloadManager", "Book added: " + b.getName())
inProgressDownloads remove b
// Not sure why, but the inProgressDownloads might not have our book,
// so we always trigger the PROGRESS_COMPLETE event.
downloadEvents onNext DLProgressEvent(DLProgressEvent.PROGRESS_COMPLETE, b)
}
override fun bookRemoved(booksEvent: BooksEvent) {
}
}