Disable Moblie Data Slice in AP mode

When airplane mode is enabled, users should not be able to
change the value of mobile data. Thus, when airplane mode is enabled,
replace the Slice with a no-op slice explaining why it cannot be
changed.

Fixes:
Fixes: 126726036
Test: robotests
Change-Id: I1c6d95dbb9d0c51247709b9867506c800f5872cd

src/com/android/settings/network/telephony/MobileDataSlice.java

@@ -74,8 +74,27 @@ public class MobileDataSlice implements CustomSliceable {
         final IconCompat icon = IconCompat.createWithResource(mContext,
                 R.drawable.ic_network_cell);
         final String title = mContext.getText(R.string.mobile_data_settings_title).toString();
-        final CharSequence summary = getSummary();
         @ColorInt final int color = Utils.getColorAccentDefaultColor(mContext);
+
+        // Return a Slice without the mobile data toggle when airplane mode is on.
+        if (isAirplaneModeEnabled()) {
+            final CharSequence summary = mContext.getText(R.string.mobile_data_ap_mode_disabled);
+            // Intent does nothing, but we have to pass an intent to the Row.
+            final PendingIntent intent = PendingIntent.getActivity(mContext, 0 /* requestCode */,
+                    new Intent(), 0 /* flags */);
+            final SliceAction deadAction =
+                    SliceAction.create(intent, icon, ListBuilder.ICON_IMAGE, title);
+            final ListBuilder listBuilder = new ListBuilder(mContext, getUri(),
+                    ListBuilder.INFINITY)
+                    .setAccentColor(color)
+                    .addRow(new ListBuilder.RowBuilder()
+                            .setTitle(title)
+                            .setSubtitle(summary)
+                            .setPrimaryAction(deadAction));
+            return listBuilder.build();
+        }
+
+        final CharSequence summary = getSummary();
         final PendingIntent toggleAction = getBroadcastIntent(mContext);
         final PendingIntent primaryAction = getPrimaryAction();
         final SliceAction primarySliceAction = SliceAction.createDeeplink(primaryAction, icon,
@@ -101,11 +120,6 @@ public class MobileDataSlice implements CustomSliceable {
 
     @Override
     public void onNotifyChange(Intent intent) {
-        // Don't make a change if we are in Airplane Mode.
-        if (isAirplaneModeEnabled()) {
-            return;
-        }
-
         final boolean newState = intent.getBooleanExtra(EXTRA_TOGGLE_STATE,
                     isMobileDataEnabled());