Adjust update/download warnings

- Uses toasts now
- Adjusted wording to emphasize effect on sources
- Download warning has a different threshold (15 chapters per source, vs. 60 entries per source for library update)

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateNotifier.kt

@@ -88,20 +88,6 @@ class LibraryUpdateNotifier(private val context: Context) {
         )
     }
 
-    fun showQueueSizeWarningNotification() {
-        val notification = context.notificationBuilder(Notifications.CHANNEL_LIBRARY_PROGRESS) {
-            setContentTitle(context.getString(R.string.label_warning))
-            setSmallIcon(R.drawable.ic_warning_white_24dp)
-            setStyle(NotificationCompat.BigTextStyle().bigText(context.getString(R.string.notification_size_warning)))
-        }
-            .build()
-
-        context.notificationManager.notify(
-            Notifications.ID_LIBRARY_SIZE_WARNING,
-            notification,
-        )
-    }
-
     /**
      * Shows notification containing update entries that failed with action to open full log.
      *

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -5,6 +5,7 @@ import android.content.Context
 import android.content.Intent
 import android.os.IBinder
 import android.os.PowerManager
+import android.widget.Toast
 import androidx.core.content.ContextCompat
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.cache.CoverCache
@@ -38,6 +39,7 @@ import eu.kanade.tachiyomi.util.system.acquireWakeLock
 import eu.kanade.tachiyomi.util.system.createFileInCacheDir
 import eu.kanade.tachiyomi.util.system.isServiceRunning
 import eu.kanade.tachiyomi.util.system.logcat
+import eu.kanade.tachiyomi.util.system.toast
 import kotlinx.coroutines.CoroutineExceptionHandler
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -267,8 +269,8 @@ class LibraryUpdateService(
 
         // Warn when excessively checking a single source
         val maxUpdatesFromSource = mangaToUpdate.groupBy { it.source }.maxOf { it.value.size }
-        if (maxUpdatesFromSource > PER_SOURCE_QUEUE_WARNING_THRESHOLD) {
-            notifier.showQueueSizeWarningNotification()
+        if (maxUpdatesFromSource > MANGA_PER_SOURCE_QUEUE_WARNING_THRESHOLD) {
+            toast(R.string.notification_size_warning, Toast.LENGTH_LONG)
         }
     }
 
@@ -574,4 +576,4 @@ class LibraryUpdateService(
     }
 }
 
-const val PER_SOURCE_QUEUE_WARNING_THRESHOLD = 60
+private const val MANGA_PER_SOURCE_QUEUE_WARNING_THRESHOLD = 60