/*
** Copyright 2007, 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.content.pm.PackageManager;
import android.os.AsyncResult;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.ServiceManager;
import android.telephony.PhoneNumberUtils;
import android.util.Log;
import java.util.ArrayList;
import java.util.List;
/**
* SimPhoneBookInterfaceManager to provide an inter-process communication to
* access ADN-like SIM records.
*/
public class SimPhoneBookInterfaceManager extends ISimPhoneBook.Stub {
static final String LOG_TAG = "GSM";
static final boolean DBG = false;
private GSMPhone phone;
private AdnRecordCache adnCache;
private final Object mLock = new Object();
private int recordSize[];
private boolean success;
private List<AdnRecord> records;
private static final boolean ALLOW_SIM_OP_IN_UI_THREAD = false;
private static final int EVENT_GET_SIZE_DONE = 1;
private static final int EVENT_LOAD_DONE = 2;
private static final int EVENT_UPDATE_DONE = 3;
Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
AsyncResult ar;
switch (msg.what) {
case EVENT_GET_SIZE_DONE:
ar = (AsyncResult) msg.obj;
synchronized (mLock) {
if (ar.exception == null) {
recordSize = (int[])ar.result;
// recordSize[0] is the record length
// recordSize[1] is the total length of the EF file
// recordSize[2] is the number of records in the EF file
log("GET_RECORD_SIZE Size " + recordSize[0] +
" total " + recordSize[1] +
" #record " + recordSize[2]);
mLock.notifyAll();
}
}
break;
case EVENT_UPDATE_DONE:
ar = (AsyncResult) msg.obj;
synchronized (mLock) {
success = (ar.exception == null);
mLock.notifyAll();
}
break;
case EVENT_LOAD_DONE:
ar = (AsyncResult)msg.obj;
synchronized (mLock) {
if (ar.exception == null) {
records = (List<AdnRecord>)
((ArrayList<AdnRecord>) ar.result);
} else {
if(DBG) log("Cannot load ADN records");
if (records != null) {
records.clear();
}
}
mLock.notifyAll();
}
break;
}
}
};
public SimPhoneBookInterfaceManager(GSMPhone phone) {
this.phone = phone;
adnCache = phone.mSIMRecords.getAdnCache();
publish();
}
private void publish() {
ServiceManager.addService("simphonebook", this);
}
/**
* Replace oldAdn with newAdn in ADN-like record in EF
*
* getAdnRecordsInEf must be called at least once before this function,
* otherwise an error will be returned
* throws SecurityException if no WRITE_CONTACTS permission
*
* @param efid must be one among EF_ADN, EF_FDN, and EF_SDN
* @param oldTag adn tag to be replaced
* @param oldPhoneNumber adn number to be replaced
* Set both oldTag and oldPhoneNubmer to "" means to replace an
* empty record, aka, insert new record
* @param newTag adn tag to be stored
* @param newPhoneNumber adn number ot be stored
* Set both newTag and newPhoneNubmer to "" means to replace the old
* record with empty one, aka, delete old record
* @param pin2 required to update EF_FDN, otherwise must be null
* @return true for success
*/
public boolean
updateAdnRecordsInEfBySearch (int efid,
String oldTag, String oldPhoneNumber,
String newTag, String newPhoneNumber, String pin2) {
if (phone.getContext().checkCallingOrSelfPermission(
android.Manifest.permission.WRITE_CONTACTS)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException(
"Requires android.permission.WRITE_CONTACTS permission");
}
if (DBG) log("updateAdnRecordsInEfBySearch: efid=" + efid +
" ("+ oldTag + "," + oldPhoneNumber + ")"+ "==>" +
" ("+ newTag + "," + newPhoneNumber + ")"+ " pin2=" + pin2);
synchronized(mLock) {
checkThread();
success = false;
Message response = mHandler.obtainMessage(EVENT_UPDATE_DONE);
AdnRecord oldAdn = new AdnRecord(oldTag, oldPhoneNumber);
AdnRecord newAdn = new AdnRecord(newTag, newPhoneNumber);
adnCache.updateAdnBySearch(efid, oldAdn, newAdn, pin2, response);
try {
mLock.wait();
} catch (InterruptedException e) {
log("interrupted while trying to update by search");
}
}
return success;
}
/**
* Update an ADN-like EF record by record index
*
* This is useful for iteration the whole ADN file, such as write the whole
* phone book or erase/format the whole phonebook
* throws SecurityException if no WRITE_CONTACTS permission
*
* @param efid must be one among EF_ADN, EF_FDN, and EF_SDN
* @param newTag adn tag to be stored
* @param newPhoneNumber adn number to be stored
* Set both newTag and newPhoneNubmer to "" means to replace the old
* record with empty one, aka, delete old record
* @param index is 1-based adn record index to be updated
* @param pin2 required to update EF_FDN, otherwise must be null
* @return true for success
*/
public boolean
updateAdnRecordsInEfByIndex(int efid, String newTag,
String newPhoneNumber, int index, String pin2) {
if (phone.getContext().checkCallingOrSelfPermission(
android.Manifest.permission.WRITE_CONTACTS)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException(
"Requires android.permission.WRITE_CONTACTS permission");
}
if (DBG) log("updateAdnRecordsInEfByIndex: efid=" + efid +
" Index=" + index + " ==> " +
"("+ newTag + "," + newPhoneNumber + ")"+ " pin2=" + pin2);
synchronized(mLock) {
checkThread();
success = false;
Message response = mHandler.obtainMessage(EVENT_UPDATE_DONE);
AdnRecord newAdn = new AdnRecord(newTag, newPhoneNumber);
adnCache.updateAdnByIndex(efid, newAdn, index, pin2, response);
try {
mLock.wait();
} catch (InterruptedException e) {
log("interrupted while trying to update by index");
}
}
return success;
}
/**
* Get the capacity of records in efid
*
* @param efid the EF id of a ADN-like SIM
* @return int[3] array
* recordSizes[0] is the single record length
* recordSizes[1] is the total length of the EF file
* recordSizes[2] is the number of records in the EF file
*/
public int[] getAdnRecordsSize(int efid) {
if (DBG) log("getAdnRecordsSize: efid=" + efid);
synchronized(mLock) {
checkThread();
recordSize = new int[3];
Message response = mHandler.obtainMessage(EVENT_GET_SIZE_DONE);
phone.mSIMFileHandler.getEFLinearRecordSize(efid, response);
try {
mLock.wait();
} catch (InterruptedException e) {
log("interrupted while trying to load from the SIM");
}
}
return recordSize;
}
/**
* Loads the AdnRecords in efid and returns them as a
* List of AdnRecords
*
* throws SecurityException if no READ_CONTACTS permission
*
* @param efid the EF id of a ADN-like SIM
* @return List of AdnRecord
*/
public List<AdnRecord> getAdnRecordsInEf(int efid) {
if (phone.getContext().checkCallingOrSelfPermission(
android.Manifest.permission.READ_CONTACTS)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException(
"Requires android.permission.READ_CONTACTS permission");
}
if (DBG) log("getAdnRecordsInEF: efid=" + efid);
synchronized(mLock) {
checkThread();
Message response = mHandler.obtainMessage(EVENT_LOAD_DONE);
adnCache.requestLoadAllAdnLike(efid, response);
try {
mLock.wait();
} catch (InterruptedException e) {
log("interrupted while trying to load from the SIM");
}
}
return records;
}
private void checkThread() {
if (!ALLOW_SIM_OP_IN_UI_THREAD) {
// Make sure this isn't the UI thread, since it will block
if (mHandler.getLooper().equals(Looper.myLooper())) {
Log.e(LOG_TAG, "query() called on the main UI thread!");
throw new IllegalStateException("You cannot call query on this provder from the main UI thread.");
}
}
}
private void log(String msg) {
Log.d(LOG_TAG, "[SpbInterfaceManager] " + msg);
}
}