Using typealias for extension session pair

also fix issue with progress flashing away after selecting install from package installer popup

Also setting the rate to 500ms for install status

app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt

@@ -1,20 +1,19 @@
 package eu.kanade.tachiyomi.extension
 
 import android.content.Context
-import android.content.pm.PackageInstaller
 import android.graphics.drawable.Drawable
 import com.jakewharton.rxrelay.BehaviorRelay
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.extension.api.ExtensionGithubApi
 import eu.kanade.tachiyomi.extension.model.Extension
-import eu.kanade.tachiyomi.extension.model.InstallStep
 import eu.kanade.tachiyomi.extension.model.LoadResult
 import eu.kanade.tachiyomi.extension.util.ExtensionInstallReceiver
 import eu.kanade.tachiyomi.extension.util.ExtensionInstaller
 import eu.kanade.tachiyomi.extension.util.ExtensionLoader
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceManager
+import eu.kanade.tachiyomi.ui.extension.ExtensionIntallInfo
 import eu.kanade.tachiyomi.util.system.launchNow
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.async
@@ -239,7 +238,7 @@ class ExtensionManager(
      *
      * @param extension The extension to be installed.
      */
-    fun installExtension(extension: Extension.Available): Observable<Pair<InstallStep, PackageInstaller.SessionInfo?>> {
+    fun installExtension(extension: Extension.Available): Observable<ExtensionIntallInfo> {
         return installer.downloadAndInstall(api.getApkUrl(extension), extension)
     }
 
@@ -250,7 +249,7 @@ class ExtensionManager(
      *
      * @param extension The extension to be updated.
      */
-    fun updateExtension(extension: Extension.Installed): Observable<Pair<InstallStep, PackageInstaller.SessionInfo?>> {
+    fun updateExtension(extension: Extension.Installed): Observable<ExtensionIntallInfo> {
         val availableExt = availableExtensions.find { it.pkgName == extension.pkgName }
             ?: return Observable.empty()
         return installExtension(availableExt)

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstaller.kt

@@ -12,6 +12,7 @@ import androidx.core.net.toUri
 import com.jakewharton.rxrelay.PublishRelay
 import eu.kanade.tachiyomi.extension.model.Extension
 import eu.kanade.tachiyomi.extension.model.InstallStep
+import eu.kanade.tachiyomi.ui.extension.ExtensionIntallInfo
 import eu.kanade.tachiyomi.util.storage.getUriCompat
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
@@ -110,7 +111,7 @@ internal class ExtensionInstaller(private val context: Context) {
      *
      * @param id The id of the download to poll.
      */
-    private fun pollStatus(id: Long): Observable<Pair<InstallStep, PackageInstaller.SessionInfo?>> {
+    private fun pollStatus(id: Long): Observable<ExtensionIntallInfo> {
         val query = DownloadManager.Query().setFilterById(id)
 
         return Observable.interval(0, 1, TimeUnit.SECONDS)
@@ -132,15 +133,15 @@ internal class ExtensionInstaller(private val context: Context) {
                     DownloadManager.STATUS_RUNNING -> InstallStep.Downloading
                     else -> return@flatMap Observable.empty()
                 }
-                Observable.just(step to null as PackageInstaller.SessionInfo?)
+                Observable.just(ExtensionIntallInfo(step, null))
             }
             .doOnError {
                 Timber.e(it)
             }
     }
 
-    private fun pollInstallStatus(id: Long): Observable<Pair<InstallStep, PackageInstaller.SessionInfo?>> {
+    private fun pollInstallStatus(id: Long): Observable<ExtensionIntallInfo> {
-        return Observable.interval(0, 250, TimeUnit.MILLISECONDS)
+        return Observable.interval(0, 500, TimeUnit.MILLISECONDS)
             .flatMap {
                 val sessionId = downloadInstallerMap[id] ?: return@flatMap Observable.empty()
                 val session = context.packageManager.packageInstaller.getSessionInfo(sessionId)

app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionBottomPresenter.kt

@@ -30,6 +30,7 @@ import uy.kohesive.injekt.api.get
 
 typealias ExtensionTuple =
     Triple<List<Extension.Installed>, List<Extension.Untrusted>, List<Extension.Available>>
+typealias ExtensionIntallInfo = Pair<InstallStep, PackageInstaller.SessionInfo?>
 
 /**
  * Presenter of [ExtensionBottomSheet].
@@ -48,7 +49,7 @@ class ExtensionBottomPresenter(
     var mangaItems = hashMapOf<Long, List<MangaItem>>()
         private set
 
-    private var currentDownloads = hashMapOf<String, InstallStep>()
+    private var currentDownloads = hashMapOf<String, ExtensionIntallInfo>()
 
     private val sourceManager: SourceManager = Injekt.get()
 
@@ -247,8 +248,8 @@ class ExtensionBottomPresenter(
         extensionManager.updateExtension(extension).subscribeToInstallUpdate(extension)
     }
 
-    private fun Observable<Pair<InstallStep, PackageInstaller.SessionInfo?>>.subscribeToInstallUpdate(extension: Extension) {
+    private fun Observable<ExtensionIntallInfo>.subscribeToInstallUpdate(extension: Extension) {
-        this.doOnNext { currentDownloads[extension.pkgName] = it.first }
+        this.doOnNext { currentDownloads[extension.pkgName] = it }
             .doOnUnsubscribe { currentDownloads.remove(extension.pkgName) }
             .map { state -> updateInstallStep(extension, state.first, state.second) }
             .subscribe { item ->

app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionItem.kt

@@ -25,6 +25,12 @@ data class ExtensionItem(
 ) :
     AbstractSectionableItem<ExtensionHolder, ExtensionGroupItem>(header) {
 
+    constructor(
+        extension: Extension,
+        header: ExtensionGroupItem? = null,
+        installInfo: ExtensionIntallInfo?
+    ) : this(extension, header, installInfo?.first, installInfo?.second)
+
     val sessionProgress: Int?
         get() = (session?.progress?.times(100)?.toInt())