[Provider Model] Don't show Wi-Fi icon if the level is -1

- Since WIFI_LEVEL_UNREACHABLE (-1) is not 100% avoidable

- Don't show Wi-Fi icon if it's no level.

Bug: 198742993
Test: manual test
atest -c InternetDialogControllerTest

Change-Id: I9496d371a4ddfb71fd8e0c742c8e0d60a356a456

packages/SystemUI/src/com/android/systemui/qs/tiles/dialog/InternetDialogController.java

@@ -337,6 +337,9 @@ public class InternetDialogController implements WifiEntry.DisconnectCallback,
     }
 
     Drawable getInternetWifiDrawable(@NonNull WifiEntry wifiEntry) {
+        if (wifiEntry.getLevel() == WifiEntry.WIFI_LEVEL_UNREACHABLE) {
+            return null;
+        }
         final Drawable drawable =
                 mWifiIconInjector.getIcon(wifiEntry.shouldShowXLevelIcon(), wifiEntry.getLevel());
         if (drawable == null) {

packages/SystemUI/tests/src/com/android/systemui/qs/tiles/dialog/InternetDialogControllerTest.java

@@ -259,7 +259,7 @@ public class InternetDialogControllerTest extends SysuiTestCase {
     }
 
     @Test
-    public void getWifiDrawable_withConnectedEntry_returnIntentIconWithCorrectColor() {
+    public void getInternetWifiDrawable_withConnectedEntry_returnIntentIconWithCorrectColor() {
         final Drawable drawable = mock(Drawable.class);
         when(mWifiIconInjector.getIcon(anyBoolean(), anyInt())).thenReturn(drawable);
 
@@ -269,6 +269,15 @@ public class InternetDialogControllerTest extends SysuiTestCase {
         verify(drawable).setTint(mContext.getColor(R.color.connected_network_primary_color));
     }
 
+    @Test
+    public void getInternetWifiDrawable_withWifiLevelUnreachable_returnNull() {
+        when(mConnectedEntry.getLevel()).thenReturn(WifiEntry.WIFI_LEVEL_UNREACHABLE);
+
+        Drawable drawable = mInternetDialogController.getInternetWifiDrawable(mConnectedEntry);
+
+        assertThat(drawable).isNull();
+    }
+
     @Test
     public void launchWifiNetworkDetailsSetting_withNoWifiEntryKey_doNothing() {
         mInternetDialogController.launchWifiNetworkDetailsSetting(null /* key */);