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Add presenter subscriptions to the subscription list when using custom subscribe methods

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This commit is contained in:
len 2016-04-10 04:32:43 +02:00
parent e28f69cddf
commit 2fa5d0cbaf
7 changed files with 70 additions and 54 deletions
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8
app/src/main/java/eu/kanade/tachiyomi/ui/backup/BackupFragment.kt
View File

@ -32,7 +32,7 @@ class BackupFragment : BaseRxFragment<BackupPresenter>() {
return inflater.inflate(R.layout.fragment_backup, container, false)
}
override fun onViewCreated(view: View?, savedState: Bundle?) {
override fun onViewCreated(view: View, savedState: Bundle?) {
backup_button.setOnClickListener {
val today = SimpleDateFormat("yyyy-MM-dd").format(Date())
val file = File(activity.externalCacheDir, "tachiyomi-$today.json")
@ -55,12 +55,14 @@ class BackupFragment : BaseRxFragment<BackupPresenter>() {
/**
* Called from the presenter when the backup is completed.
*
* @param file the file where the backup is saved.
*/
fun onBackupCompleted() {
fun onBackupCompleted(file: File) {
dismissBackupDialog()
val intent = Intent(Intent.ACTION_SEND)
intent.type = "text/plain"
intent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + presenter.backupFile))
intent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + file))
startActivity(Intent.createChooser(intent, ""))
}

66
app/src/main/java/eu/kanade/tachiyomi/ui/backup/BackupPresenter.kt
View File

@ -5,6 +5,7 @@ import eu.kanade.tachiyomi.data.backup.BackupManager
import eu.kanade.tachiyomi.data.database.DatabaseHelper
import eu.kanade.tachiyomi.ui.base.presenter.BasePresenter
import rx.Observable
import rx.Subscription
import rx.android.schedulers.AndroidSchedulers
import rx.schedulers.Schedulers
import java.io.File
@ -27,39 +28,18 @@ class BackupPresenter : BasePresenter<BackupFragment>() {
private lateinit var backupManager: BackupManager
/**
* File where the backup is saved.
* Subscription where the backup is restored.
*/
var backupFile: File? = null
private set
private var restoreSubscription: Subscription? = null
/**
* Stream to restore a backup.
* Subscription where the backup is created.
*/
private var restoreStream: InputStream? = null
/**
* Id of the restartable that creates a backup.
*/
private val CREATE_BACKUP = 1
/**
* Id of the restartable that restores a backup.
*/
private val RESTORE_BACKUP = 2
private var backupSubscription: Subscription? = null
override fun onCreate(savedState: Bundle?) {
super.onCreate(savedState)
backupManager = BackupManager(db)
startableFirst(CREATE_BACKUP,
{ getBackupObservable() },
{ view, next -> view.onBackupCompleted() },
{ view, error -> view.onBackupError(error) })
startableFirst(RESTORE_BACKUP,
{ getRestoreObservable() },
{ view, next -> view.onRestoreCompleted() },
{ view, error -> view.onRestoreError(error) })
}
/**
@ -68,9 +48,13 @@ class BackupPresenter : BasePresenter<BackupFragment>() {
* @param file the path where the file will be saved.
*/
fun createBackup(file: File) {
if (isUnsubscribed(CREATE_BACKUP)) {
backupFile = file
start(CREATE_BACKUP)
if (isUnsubscribed(backupSubscription)) {
backupSubscription = getBackupObservable(file)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribeFirst(
{ view, result -> view.onBackupCompleted(file) },
{ view, error -> view.onBackupError(error) })
}
}
@ -80,30 +64,30 @@ class BackupPresenter : BasePresenter<BackupFragment>() {
* @param stream the input stream of the backup file.
*/
fun restoreBackup(stream: InputStream) {
if (isUnsubscribed(RESTORE_BACKUP)) {
restoreStream = stream
start(RESTORE_BACKUP)
if (isUnsubscribed(restoreSubscription)) {
restoreSubscription = getRestoreObservable(stream)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribeFirst(
{ view, result -> view.onRestoreCompleted() },
{ view, error -> view.onRestoreError(error) })
}
}
/**
* Returns the observable to save a backup.
*/
private fun getBackupObservable(): Observable<Boolean> {
return Observable.fromCallable {
backupManager.backupToFile(backupFile!!)
true
}.subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread())
private fun getBackupObservable(file: File) = Observable.fromCallable {
backupManager.backupToFile(file)
true
}
/**
* Returns the observable to restore a backup.
*/
private fun getRestoreObservable(): Observable<Boolean> {
return Observable.fromCallable {
backupManager.restoreFromStream(restoreStream!!)
true
}.subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread())
private fun getRestoreObservable(stream: InputStream) = Observable.fromCallable {
backupManager.restoreFromStream(stream)
true
}
}

27
app/src/main/java/eu/kanade/tachiyomi/ui/base/presenter/BasePresenter.kt
View File

@ -8,13 +8,34 @@ open class BasePresenter<V : ViewWithPresenter<*>> : RxPresenter<V>() {
lateinit var context: Context
/**
* Subscribes an observable with [deliverFirst] and adds it to the presenter's lifecycle
* subscription list.
*
* @param onNext function to execute when the observable emits an item.
* @param onError function to execute when the observable throws an error.
*/
fun <T> Observable<T>.subscribeFirst(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null)
= compose(deliverFirst<T>()).subscribe(split(onNext, onError))
= compose(deliverFirst<T>()).subscribe(split(onNext, onError)).apply { add(this) }
/**
* Subscribes an observable with [deliverLatestCache] and adds it to the presenter's lifecycle
* subscription list.
*
* @param onNext function to execute when the observable emits an item.
* @param onError function to execute when the observable throws an error.
*/
fun <T> Observable<T>.subscribeLatestCache(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null)
= compose(deliverLatestCache<T>()).subscribe(split(onNext, onError))
= compose(deliverLatestCache<T>()).subscribe(split(onNext, onError)).apply { add(this) }
/**
* Subscribes an observable with [deliverReplay] and adds it to the presenter's lifecycle
* subscription list.
*
* @param onNext function to execute when the observable emits an item.
* @param onError function to execute when the observable throws an error.
*/
fun <T> Observable<T>.subscribeReplay(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null)
= compose(deliverReplay<T>()).subscribe(split(onNext, onError))
= compose(deliverReplay<T>()).subscribe(split(onNext, onError)).apply { add(this) }
}

11
app/src/main/java/eu/kanade/tachiyomi/ui/base/presenter/RxPresenter.java
View File

@ -113,7 +113,16 @@ public class RxPresenter<View> extends Presenter<View> {
* @return true if the subscription is null or unsubscribed, false otherwise.
*/
public boolean isUnsubscribed(int restartableId) {
Subscription subscription = restartableSubscriptions.get(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();
}

4
app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt
View File

@ -49,8 +49,8 @@ class MangaPresenter : BasePresenter<MangaActivity>() {
// Prepare a subject to communicate the chapters and info presenters for the chapter count.
SharedData.put(ChapterCountEvent())
add(Observable.just(manga)
.subscribeLatestCache({ view, manga -> view.onSetManga(manga) }))
Observable.just(manga)
.subscribeLatestCache({ view, manga -> view.onSetManga(manga) })
}
override fun onDestroy() {

4
app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChaptersPresenter.kt
View File

@ -69,8 +69,8 @@ class ChaptersPresenter : BasePresenter<ChaptersFragment>() {
{ view, error -> Timber.e(error.cause, error.message) })
manga = SharedData.get(MangaEvent::class.java)?.manga ?: return
add(Observable.just(manga)
.subscribeLatestCache({ view, manga -> view.onNextManga(manga) }))
Observable.just(manga)
.subscribeLatestCache({ view, manga -> view.onNextManga(manga) })
source = sourceManager.get(manga.source)!!
start(DB_CHAPTERS)

4
app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoPresenter.kt
View File

@ -79,9 +79,9 @@ class MangaInfoPresenter : BasePresenter<MangaInfoFragment>() {
// Update chapter count
SharedData.get(ChapterCountEvent::class.java)?.let {
add(it.observable
it.observable
.observeOn(AndroidSchedulers.mainThread())
.subscribeLatestCache({ view, count -> view.setChapterCount(count) }))
.subscribeLatestCache({ view, count -> view.setChapterCount(count) })
}
}