HTCTegra3RIL: Add custom RIL for correct STK handling (1/2)

/*

 * Copyright (C) 2012 The CyanogenMod 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;

import static com.android.internal.telephony.RILConstants.*;

import android.content.Context;

import android.os.AsyncResult;

import android.os.HandlerThread;

import android.os.Looper;

import android.os.Message;

import android.os.Parcel;

import android.os.Registrant;

import android.os.Handler;

import android.util.Log;

/**

 * Generic HTC Tegra3 RIL class

 *

 * {@hide}

 */

public class HTCTegra3RIL extends RIL implements CommandsInterface {

    private static final int RIL_UNSOL_CUSTOMIZE_SIM_INFO = 1550;

    private Object mCatProCmdBuffer;

    public HTCTegra3RIL(Context context, int networkMode, int cdmaSubscription) {

        super(context, networkMode, cdmaSubscription);

    }

    @Override

    protected void

    processUnsolicited (Parcel p) {

        Object ret;

        int dataPosition = p.dataPosition(); // save off position within the Parcel

        int response = p.readInt();

        switch(response) {

            case RIL_UNSOL_CUSTOMIZE_SIM_INFO: ret = responseString(p); break;

            case RIL_UNSOL_STK_PROACTIVE_COMMAND: ret = responseString(p); break;

            default:

                // Rewind the Parcel

                p.setDataPosition(dataPosition);

                // Forward responses that we are not overriding to the super class

                super.processUnsolicited(p);

                return;

        }

        switch(response) {

            case RIL_UNSOL_CUSTOMIZE_SIM_INFO:

                if (RILJ_LOGD) unsljLogRet(response, ret);

                break;

            case RIL_UNSOL_STK_PROACTIVE_COMMAND:

                if (RILJ_LOGD) unsljLogRet(response, ret);

                if (mCatProCmdRegistrant != null) {

                    mCatProCmdRegistrant.notifyRegistrant(

                                        new AsyncResult (null, ret, null));

                } else {

                    // The RIL will send a CAT proactive command before the

                    // registrant is registered. Buffer it to make sure it

                    // does not get ignored (and breaks CatService).

                    // see also SamsungExynos3RIL

                    mCatProCmdBuffer = ret;

                }

                break;

        }

    }

    @Override

    public void setOnCatProactiveCmd(Handler h, int what, Object obj) {

        mCatProCmdRegistrant = new Registrant (h, what, obj);

        if (mCatProCmdBuffer != null) {

            mCatProCmdRegistrant.notifyRegistrant(

                                new AsyncResult (null, mCatProCmdBuffer, null));

            mCatProCmdBuffer = null;

        }

    }

}