/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.internal.telephony.gsm; import android.database.Cursor; import android.os.Handler; /** * Data link interface. * * {@hide} */ interface DataLinkInterface { /** * Link state enumeration. * */ enum LinkState { LINK_UNKNOWN, LINK_UP, LINK_DOWN, LINK_EXITED } /** Normal exit */ final static int EXIT_OK = 0; /** Open failed */ final static int EXIT_OPEN_FAILED = 7; /** * Sets the handler for link state change events. * * @param h Handler * @param what User-defined message code * @param obj User object */ void setOnLinkChange(Handler h, int what, Object obj); /** * Sets up the data link. */ void connect(); /** * Tears down the data link. */ void disconnect(); /** * Returns the exit code for a data link failure. * * @return exit code */ int getLastLinkExitCode(); /** * Sets password information that may be required by the data link * (eg, PAP secrets). * * @param cursor cursor to carriers table */ void setPasswordInfo(Cursor cursor); }