Minor changes

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadManager.kt

@@ -427,14 +427,14 @@ class DownloadManager(private val context: Context, private val sourceManager: S
         return !pending.isEmpty()
     }
 
-    fun stopDownloads(error: String = "") {
+    fun stopDownloads(errorMessage: String? = null) {
         destroySubscriptions()
         for (download in queue) {
             if (download.status == Download.DOWNLOADING) {
                 download.status = Download.ERROR
             }
         }
-        downloadNotifier.onError(error)
+        errorMessage?.let { downloadNotifier.onError(it) }
     }
 
     fun clearQueue() {

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadNotifier.kt

@@ -10,6 +10,7 @@ import eu.kanade.tachiyomi.util.notificationManager
 
 /**
  * DownloadNotifier is used to show notifications when downloading one or multiple chapters.
+ *
  * @param context context of application
  */
 class DownloadNotifier(private val context: Context) {
@@ -21,7 +22,8 @@ class DownloadNotifier(private val context: Context) {
     /**
      * Id of the notification.
      */
-    private val notificationId = Constants.NOTIFICATION_DOWNLOAD_CHAPTER_ID
+    private val notificationId: Int
+        get() = Constants.NOTIFICATION_DOWNLOAD_CHAPTER_ID
 
     /**
      * Status of download. Used for correct notification icon.
@@ -41,33 +43,31 @@ class DownloadNotifier(private val context: Context) {
     /**
      * Called when download progress changes.
      * Note: Only accepted when multi download active.
+     *
      * @param queue the queue containing downloads.
      */
     internal fun onProgressChange(queue: DownloadQueue) {
-        // If single download mode return.
-        if (!multipleDownloadThreads)
-            return
-        // Update progress.
-        doOnProgressChange(null, queue)
+        if (multipleDownloadThreads) {
+            doOnProgressChange(null, queue)
+        }
     }
 
     /**
      * Called when download progress changes
      * Note: Only accepted when single download active
+     *
      * @param download download object containing download information
      * @param queue the queue containing downloads
      */
     internal fun onProgressChange(download: Download, queue: DownloadQueue) {
-        // If multi download mode return.
-        if (multipleDownloadThreads)
-            return
-        // Update progress.
-        doOnProgressChange(download, queue)
+        if (!multipleDownloadThreads) {
+            doOnProgressChange(download, queue)
+        }
     }
 
-
     /**
      * Show notification progress of chapter
+     *
      * @param download download object containing download information
      * @param queue the queue containing downloads
      */
@@ -86,8 +86,7 @@ class DownloadNotifier(private val context: Context) {
         }
 
         // Create notification
-        with (notificationBuilder)
-        {
+        with (notificationBuilder) {
             // Check if icon needs refresh
             if (!isDownloading) {
                 setSmallIcon(android.R.drawable.stat_sys_download)
@@ -95,10 +94,10 @@ class DownloadNotifier(private val context: Context) {
             }
 
             if (multipleDownloadThreads) {
-                    setContentTitle(context.getString(R.string.app_name))
+                setContentTitle(context.getString(R.string.app_name))
 
-                    setContentText(context.getString(R.string.chapter_downloading_progress)
-                            .format(initialQueueSize - queue.size, initialQueueSize))
+                setContentText(context.getString(R.string.chapter_downloading_progress)
+                        .format(initialQueueSize - queue.size, initialQueueSize))
                 setProgress(initialQueueSize, initialQueueSize - queue.size, false)
             } else {
                 download?.let {
@@ -120,18 +119,13 @@ class DownloadNotifier(private val context: Context) {
 
     /**
      * Called when chapter is downloaded
+     *
      * @param download download object containing download information
      */
     private fun onComplete(download: Download?) {
-        //Create notification.
+        // Create notification.
         with(notificationBuilder) {
-            // Set notification title
-            if (download != null)
-                setContentTitle(download.chapter?.name)
-            else
-                setContentTitle(context.getString(R.string.app_name))
-
-            // Set content information and progress.
+            setContentTitle(download?.chapter?.name ?: context.getString(R.string.app_name))
             setContentText(context.getString(R.string.update_check_notification_download_complete))
             setSmallIcon(android.R.drawable.stat_sys_download_done)
             setProgress(0, 0, false)
@@ -154,23 +148,15 @@ class DownloadNotifier(private val context: Context) {
 
     /**
      * Called on error while downloading chapter
+     *
      * @param error string containing error information
      * @param chapter string containing chapter title
      */
-    internal fun onError(error: String? = "", chapter: String = "") {
+    internal fun onError(error: String? = null, chapter: String? = null) {
         // Create notification
         with(notificationBuilder) {
-            if (chapter.isNullOrEmpty()) {
-                setContentTitle(context.getString(R.string.download_notifier_title_error))
-            } else {
-                setContentTitle(chapter)
-            }
-
-            if (error.isNullOrEmpty())
-                setContentText(context.getString(R.string.download_notifier_unkown_error))
-            else
-                setContentText(error)
-
+            setContentTitle(chapter ?: context.getString(R.string.download_notifier_title_error))
+            setContentText(error ?: context.getString(R.string.download_notifier_unkown_error))
             setSmallIcon(android.R.drawable.stat_sys_warning)
             setProgress(0, 0, false)
         }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadService.kt

@@ -82,12 +82,12 @@ class DownloadService : Service() {
                                     stopSelf()
                                 }
                             } else if (isRunning) {
-                                downloadManager.stopDownloads(baseContext.getString(R.string.download_notifier_text_only_wifi))
+                                downloadManager.stopDownloads(getString(R.string.download_notifier_text_only_wifi))
                             }
                         }
                         else -> {
                             if (isRunning) {
-                                downloadManager.stopDownloads(baseContext.getString(R.string.download_notifier_text_only_wifi))
+                                downloadManager.stopDownloads(getString(R.string.download_notifier_text_only_wifi))
                             }
                         }
                     }

app/src/main/java/eu/kanade/tachiyomi/data/download/model/DownloadQueue.kt

@@ -22,12 +22,7 @@ class DownloadQueue : CopyOnWriteArrayList<Download>() {
     }
 
     fun del(chapter: Chapter) {
-        for (download in this) {
-            if (download.chapter.id == chapter.id) {
-                del(download)
-                break
-            }
-        }
+        find { it.chapter.id == chapter.id }?.let { del(it) }
     }
 
     fun getActiveDownloads() =

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

@@ -63,13 +63,14 @@ class LibraryUpdateService : Service() {
      */
     private var subscription: Subscription? = null
 
+    /**
+     * Id of the library update notification.
+     */
+    private val notificationId: Int
+        get() = Constants.NOTIFICATION_LIBRARY_ID
 
-    companion object {
-        /**
-         * Id of the library update notification.
-         */
-        const val UPDATE_NOTIFICATION_ID = Constants.NOTIFICATION_LIBRARY_ID
 
+    companion object {
         /**
          * Key for manual library update.
          */
@@ -350,7 +351,7 @@ class LibraryUpdateService : Service() {
      * @param body the body of the notification.
      */
     private fun showNotification(title: String, body: String) {
-        notificationManager.notify(UPDATE_NOTIFICATION_ID, notification() {
+        notificationManager.notify(notificationId, notification() {
             setSmallIcon(R.drawable.ic_refresh_white_24dp_img)
             setContentTitle(title)
             setContentText(body)
@@ -365,7 +366,7 @@ class LibraryUpdateService : Service() {
      * @param total the total progress.
      */
     private fun showProgressNotification(manga: Manga, current: Int, total: Int, cancelIntent: PendingIntent) {
-        notificationManager.notify(UPDATE_NOTIFICATION_ID, notification() {
+        notificationManager.notify(notificationId, notification() {
             setSmallIcon(R.drawable.ic_refresh_white_24dp_img)
             setContentTitle(manga.title)
             setProgress(total, current, false)
@@ -385,7 +386,7 @@ class LibraryUpdateService : Service() {
         val title = getString(R.string.notification_update_completed)
         val body = getUpdatedMangasBody(updates, failed)
 
-        notificationManager.notify(UPDATE_NOTIFICATION_ID, notification() {
+        notificationManager.notify(notificationId, notification() {
             setSmallIcon(R.drawable.ic_refresh_white_24dp_img)
             setContentTitle(title)
             setStyle(NotificationCompat.BigTextStyle().bigText(body))
@@ -398,7 +399,7 @@ class LibraryUpdateService : Service() {
      * Cancels the notification.
      */
     private fun cancelNotification() {
-        notificationManager.cancel(UPDATE_NOTIFICATION_ID)
+        notificationManager.cancel(notificationId)
     }
 
     /**
@@ -457,7 +458,7 @@ class LibraryUpdateService : Service() {
          */
         override fun onReceive(context: Context, intent: Intent) {
             LibraryUpdateService.stop(context)
-            context.notificationManager.cancel(UPDATE_NOTIFICATION_ID)
+            context.notificationManager.cancel(Constants.NOTIFICATION_LIBRARY_ID)
         }
     }
 }

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdateDownloader.kt

@@ -44,13 +44,19 @@ class UpdateDownloader(private val context: Context) :
     /**
      * Default download dir
      */
-    val apkFile = File(context.externalCacheDir, "update.apk")
+    private val apkFile = File(context.externalCacheDir, "update.apk")
 
 
     /**
      * Notification builder
      */
-    val notificationBuilder = NotificationCompat.Builder(context)
+    private val notificationBuilder = NotificationCompat.Builder(context)
+
+    /**
+     * Id of the notification
+     */
+    private val notificationId: Int
+        get() = Constants.NOTIFICATION_UPDATER_ID
 
     init {
         App.get(context).component.inject(this)
@@ -117,7 +123,7 @@ class UpdateDownloader(private val context: Context) :
         values.getOrNull(0)?.let {
             notificationBuilder.setProgress(100, it, false)
             // Displays the progress bar on notification
-            context.notificationManager.notify(InstallOnReceived.notificationId, notificationBuilder.build())
+            context.notificationManager.notify(notificationId, notificationBuilder.build())
         }
     }
 
@@ -146,7 +152,7 @@ class UpdateDownloader(private val context: Context) :
         }
         val notification = notificationBuilder.build()
         notification.flags = Notification.FLAG_NO_CLEAR
-        context.notificationManager.notify(InstallOnReceived.notificationId, notification)
+        context.notificationManager.notify(notificationId, notification)
     }
 
     /**
@@ -170,29 +176,26 @@ class UpdateDownloader(private val context: Context) :
     class InstallOnReceived : BroadcastReceiver() {
         companion object {
             // Install apk action
-            val INSTALL_APK = "eu.kanade.INSTALL_APK"
+            const val INSTALL_APK = "eu.kanade.INSTALL_APK"
 
             // Retry download action
-            val RETRY_DOWNLOAD = "eu.kanade.RETRY_DOWNLOAD"
+            const val RETRY_DOWNLOAD = "eu.kanade.RETRY_DOWNLOAD"
 
             // Retry download action
-            val CANCEL_NOTIFICATION = "eu.kanade.CANCEL_NOTIFICATION"
+            const val CANCEL_NOTIFICATION = "eu.kanade.CANCEL_NOTIFICATION"
 
             // Absolute path of file || URL of file
-            val FILE_LOCATION = "file_location"
-
-            // Id of the notification
-            val notificationId = Constants.NOTIFICATION_UPDATER_ID
+            const val FILE_LOCATION = "file_location"
         }
 
         override fun onReceive(context: Context, intent: Intent) {
             when (intent.action) {
-            // Install apk.
+                // Install apk.
                 INSTALL_APK -> UpdateDownloader.installAPK(context, File(intent.getStringExtra(FILE_LOCATION)))
-            // Retry download.
+                // Retry download.
                 RETRY_DOWNLOAD -> UpdateDownloader(context).execute(intent.getStringExtra(FILE_LOCATION))
 
-                CANCEL_NOTIFICATION -> context.notificationManager.cancel(notificationId)
+                CANCEL_NOTIFICATION -> context.notificationManager.cancel(Constants.NOTIFICATION_UPDATER_ID)
             }
         }