Check if wifi is connected rather than enabled while downloading. (#5967)

* Fixxy Wixxy

* Downgrade check from Android S to Android Q

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

@@ -15,11 +15,11 @@ import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.util.lang.plusAssign
 import eu.kanade.tachiyomi.util.lang.withUIContext
 import eu.kanade.tachiyomi.util.system.acquireWakeLock
+import eu.kanade.tachiyomi.util.system.isConnectedToWifi
 import eu.kanade.tachiyomi.util.system.isOnline
 import eu.kanade.tachiyomi.util.system.isServiceRunning
 import eu.kanade.tachiyomi.util.system.notification
 import eu.kanade.tachiyomi.util.system.toast
-import eu.kanade.tachiyomi.util.system.wifiManager
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
@@ -154,7 +154,7 @@ class DownloadService : Service() {
      */
     private fun onNetworkStateChanged() {
         if (isOnline()) {
-            if (preferences.downloadOnlyOverWifi() && !wifiManager.isWifiEnabled) {
+            if (preferences.downloadOnlyOverWifi() && !isConnectedToWifi()) {
                 stopDownloads(R.string.download_notifier_text_only_wifi)
             } else {
                 val started = downloadManager.startDownloads()

app/src/main/java/eu/kanade/tachiyomi/util/system/ContextExtensions.kt

@@ -17,6 +17,7 @@ import android.graphics.Color
 import android.net.ConnectivityManager
 import android.net.NetworkCapabilities
 import android.net.Uri
+import android.net.wifi.WifiInfo
 import android.net.wifi.WifiManager
 import android.os.Build
 import android.os.PowerManager
@@ -379,6 +380,24 @@ fun Context.isOnline(): Boolean {
     return (NetworkCapabilities.TRANSPORT_CELLULAR..maxTransport).any(networkCapabilities::hasTransport)
 }
 
+/**
+ * Returns true if device is connected to wifi.
+ */
+fun Context.isConnectedToWifi(): Boolean {
+    if (!wifiManager.isWifiEnabled) return false
+
+    val wifiInfo: WifiInfo = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+        val activeNetwork = connectivityManager.activeNetwork ?: return false
+        val networkCapabilities = connectivityManager.getNetworkCapabilities(activeNetwork) ?: return false
+        networkCapabilities.transportInfo as WifiInfo
+    } else {
+        @Suppress("DEPRECATION")
+        wifiManager.connectionInfo
+    }
+
+    return wifiInfo.bssid != null
+}
+
 /**
  * Gets document size of provided [Uri]
  *