private void setSelectedRouteLocked(IMediaRouterClient client,
            String routeId, boolean explicit) {
        ClientRecord clientRecord = mAllClientRecords.get(client.asBinder());
        if (clientRecord != null) {
            final String oldRouteId = clientRecord.mSelectedRouteId;
            if (!Objects.equals(routeId, oldRouteId)) {
                if (DEBUG) {
                    Slog.d(TAG, clientRecord + ": Set selected route, routeId=" + routeId
                            + ", oldRouteId=" + oldRouteId
                            + ", explicit=" + explicit);
                }

                clientRecord.mSelectedRouteId = routeId;
                if (explicit) {
                    // Any app can disconnect from the globally selected route.
                    if (oldRouteId != null) {
                        clientRecord.mUserRecord.mHandler.obtainMessage(
                                UserHandler.MSG_UNSELECT_ROUTE, oldRouteId).sendToTarget();
                    }
                    // Only let the system connect to new global routes for now.
                    // A similar check exists in the display manager for wifi display.
                    if (routeId != null && clientRecord.mTrusted) {
                        clientRecord.mUserRecord.mHandler.obtainMessage(
                                UserHandler.MSG_SELECT_ROUTE, routeId).sendToTarget();
                    }
                }
            }
        }
    }