Fixes to the download status/fab/errors in ui

app/src/main/java/eu/kanade/tachiyomi/ui/download/DownloadBottomSheet.kt

@@ -6,6 +6,7 @@ import android.util.AttributeSet
 import android.view.Menu
 import android.view.MenuItem
 import android.widget.LinearLayout
+import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
 import com.google.android.material.bottomsheet.BottomSheetBehavior
 import eu.kanade.tachiyomi.R
@@ -87,12 +88,13 @@ class DownloadBottomSheet @JvmOverloads constructor(
             }
         }
         binding.downloadFab.setOnClickListener {
-            if (!isRunning) {
+            if (controller.presenter.downloadManager.isPaused()) {
                 DownloadService.start(context)
             } else {
                 DownloadService.stop(context)
                 presenter.pauseDownloads()
             }
+            updateFab()
         }
         update()
         setInformationView()
@@ -105,7 +107,7 @@ class DownloadBottomSheet @JvmOverloads constructor(
     fun update() {
         presenter.getItems()
         onQueueStatusChange(!presenter.downloadManager.isPaused())
-        binding.downloadFab.isVisible = presenter.downloadQueue.isNotEmpty()
+        binding.downloadFab.isInvisible = presenter.downloadQueue.isEmpty()
     }
 
     private fun updateDLTitle() {
@@ -125,7 +127,8 @@ class DownloadBottomSheet @JvmOverloads constructor(
     private fun onQueueStatusChange(running: Boolean) {
         val oldRunning = isRunning
         isRunning = running
-        binding.downloadFab.isVisible = presenter.downloadQueue.isNotEmpty()
+        binding.downloadFab.isInvisible = presenter.downloadQueue.isEmpty()
+        updateFab()
         if (oldRunning != running) {
             activity?.invalidateOptionsMenu()
 
@@ -191,9 +194,7 @@ class DownloadBottomSheet @JvmOverloads constructor(
     }
 
     fun prepareMenu(menu: Menu) {
-        binding.downloadFab.text = context.getString(if (isRunning) R.string.pause else R.string.resume)
-        binding.downloadFab.setIconResource(if (isRunning) R.drawable.ic_pause_24dp else R.drawable.ic_play_arrow_24dp)
-
+        updateFab()
         // Set clear button visibility.
         menu.findItem(R.id.clear_queue)?.isVisible = !presenter.downloadQueue.isEmpty()
 
@@ -201,6 +202,11 @@ class DownloadBottomSheet @JvmOverloads constructor(
         menu.findItem(R.id.reorder)?.isVisible = !presenter.downloadQueue.isEmpty()
     }
 
+    private fun updateFab() {
+        binding.downloadFab.text = context.getString(if (isRunning) R.string.pause else R.string.resume)
+        binding.downloadFab.setIconResource(if (isRunning) R.drawable.ic_pause_24dp else R.drawable.ic_play_arrow_24dp)
+    }
+
     fun onOptionsItemSelected(item: MenuItem): Boolean {
         val context = activity ?: return false
         when (item.itemId) {
@@ -263,6 +269,7 @@ class DownloadBottomSheet @JvmOverloads constructor(
         val adapter = adapter ?: return
         val downloads = (0 until adapter.itemCount).mapNotNull { adapter.getItem(it)?.download }
         presenter.reorder(downloads)
+        controller.updateChapterDownload(download, false)
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/recents/RecentsController.kt

@@ -304,6 +304,7 @@ class RecentsController(bundle: Bundle? = null) :
                     }
 
                     if (presenter.downloadManager.hasQueue()) {
+                        binding.downloadBottomSheet.downloadFab.alpha = 1f
                         if (state == BottomSheetBehavior.STATE_EXPANDED) {
                             binding.downloadBottomSheet.downloadFab.show()
                         } else {
@@ -488,16 +489,22 @@ class RecentsController(bundle: Bundle? = null) :
         }
     }
 
-    fun updateChapterDownload(download: Download) {
+    fun updateChapterDownload(download: Download, updateDLSheet: Boolean = true) {
         if (view == null) return
+        if (updateDLSheet) {
             binding.downloadBottomSheet.dlBottomSheet.update()
             binding.downloadBottomSheet.dlBottomSheet.onUpdateProgress(download)
             binding.downloadBottomSheet.dlBottomSheet.onUpdateDownloadedPages(download)
+        }
         val id = download.chapter.id ?: return
         val holder = binding.recycler.findViewHolderForItemId(id) as? RecentMangaHolder ?: return
         holder.notifyStatus(download.status, download.progress, download.chapter.read, true)
     }
 
+    fun updateDownloadStatus() {
+        binding.downloadBottomSheet.dlBottomSheet.update()
+    }
+
     private fun refreshItem(chapterId: Long) {
         val recentItemPos = adapter.currentItems.indexOfFirst {
             it is RecentMangaItem &&

app/src/main/java/eu/kanade/tachiyomi/ui/recents/RecentsPresenter.kt

@@ -7,6 +7,8 @@ import eu.kanade.tachiyomi.data.database.models.HistoryImpl
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.database.models.MangaChapterHistory
 import eu.kanade.tachiyomi.data.download.DownloadManager
+import eu.kanade.tachiyomi.data.download.DownloadService
+import eu.kanade.tachiyomi.data.download.DownloadServiceListener
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.download.model.DownloadQueue
 import eu.kanade.tachiyomi.data.library.LibraryServiceListener
@@ -37,7 +39,7 @@ class RecentsPresenter(
     val preferences: PreferencesHelper = Injekt.get(),
     val downloadManager: DownloadManager = Injekt.get(),
     private val db: DatabaseHelper = Injekt.get()
-) : BaseCoroutinePresenter(), DownloadQueue.DownloadListener, LibraryServiceListener {
+) : BaseCoroutinePresenter(), DownloadQueue.DownloadListener, LibraryServiceListener, DownloadServiceListener {
 
     private var recentsJob: Job? = null
     var recentItems = listOf<RecentMangaItem>()
@@ -75,6 +77,7 @@ class RecentsPresenter(
     override fun onCreate() {
         super.onCreate()
         downloadManager.addListener(this)
+        DownloadService.addListener(this)
         LibraryUpdateService.setListener(this)
         if (lastRecents != null) {
             if (recentItems.isEmpty()) {
@@ -329,6 +332,7 @@ class RecentsPresenter(
         super.onDestroy()
         downloadManager.removeListener(this)
         LibraryUpdateService.removeListener(this)
+        DownloadService.removeListener(this)
         lastRecents = recentItems
     }
 
@@ -367,6 +371,15 @@ class RecentsPresenter(
             setDownloadedChapters(recentItems)
             withContext(Dispatchers.Main) {
                 controller?.showLists(recentItems, true)
+                controller?.updateDownloadStatus()
+            }
+        }
+    }
+
+    override fun downloadStatusChanged(downloading: Boolean) {
+        presenterScope.launch {
+            withContext(Dispatchers.Main) {
+                controller?.updateDownloadStatus()
             }
         }
     }