/*
* Copyright (C) 2006, 2012 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;
import static android.Manifest.permission.READ_PHONE_STATE;
import android.app.ActivityManagerNative;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Resources;
import android.os.AsyncResult;
import android.os.Handler;
import android.os.Message;
import android.os.PowerManager;
import android.os.Registrant;
import android.os.RegistrantList;
import android.util.Log;
import android.view.WindowManager;
import com.android.internal.telephony.PhoneBase;
import com.android.internal.telephony.CommandsInterface.RadioState;
import com.android.internal.telephony.IccCardConstants.State;
import com.android.internal.telephony.IccCardApplicationStatus;
import com.android.internal.telephony.IccCardApplicationStatus.AppType;
import com.android.internal.telephony.IccCardStatus.CardState;
import com.android.internal.telephony.IccCardStatus.PinState;
import com.android.internal.telephony.gsm.GSMPhone;
import com.android.internal.telephony.gsm.SIMFileHandler;
import com.android.internal.telephony.gsm.SIMRecords;
import com.android.internal.telephony.uicc.UiccController;
import com.android.internal.telephony.cat.CatService;
import com.android.internal.telephony.cdma.CDMALTEPhone;
import com.android.internal.telephony.cdma.CDMAPhone;
import com.android.internal.telephony.cdma.CdmaSubscriptionSourceManager;
import com.android.internal.telephony.cdma.RuimFileHandler;
import com.android.internal.telephony.cdma.RuimRecords;
import android.os.SystemProperties;
import com.android.internal.R;
/**
* {@hide}
*/
public class UiccCard {
protected static final String LOG_TAG = "RIL_UiccCard";
protected static final boolean DBG = true;
private final Object mLock = new Object();
private CardState mCardState;
private PinState mUniversalPinState;
private int mGsmUmtsSubscriptionAppIndex;
private int mCdmaSubscriptionAppIndex;
private int mImsSubscriptionAppIndex;
private UiccCardApplication[] mUiccApplications =
new UiccCardApplication[IccCardStatus.CARD_MAX_APPS];
private Context mContext;
private CommandsInterface mCi;
private CatService mCatService;
private boolean mDestroyed = false; //set to true once this card is commanded to be disposed of.
private RadioState mLastRadioState = RadioState.RADIO_UNAVAILABLE;
private RegistrantList mAbsentRegistrants = new RegistrantList();
private static final int EVENT_CARD_REMOVED = 13;
private static final int EVENT_CARD_ADDED = 14;
public UiccCard(Context c, CommandsInterface ci, IccCardStatus ics) {
if (DBG) log("Creating");
mCardState = ics.mCardState;
update(c, ci, ics);
}
public void dispose() {
synchronized (mLock) {
if (DBG) log("Disposing card");
if (mCatService != null) mCatService.dispose();
for (UiccCardApplication app : mUiccApplications) {
if (app != null) {
app.dispose();
}
}
mCatService = null;
mUiccApplications = null;
}
}
public void update(Context c, CommandsInterface ci, IccCardStatus ics) {
synchronized (mLock) {
if (mDestroyed) {
loge("Updated after destroyed! Fix me!");
return;
}
CardState oldState = mCardState;
mCardState = ics.mCardState;
mUniversalPinState = ics.mUniversalPinState;
mGsmUmtsSubscriptionAppIndex = ics.mGsmUmtsSubscriptionAppIndex;
mCdmaSubscriptionAppIndex = ics.mCdmaSubscriptionAppIndex;
mImsSubscriptionAppIndex = ics.mImsSubscriptionAppIndex;
mContext = c;
mCi = ci;
//update applications
if (DBG) log(ics.mApplications.length + " applications");
for ( int i = 0; i < mUiccApplications.length; i++) {
if (mUiccApplications[i] == null) {
//Create newly added Applications
if (i < ics.mApplications.length) {
mUiccApplications[i] = new UiccCardApplication(this,
ics.mApplications[i], mContext, mCi);
}
} else if (i >= ics.mApplications.length) {
//Delete removed applications
mUiccApplications[i].dispose();
mUiccApplications[i] = null;
} else {
//Update the rest
mUiccApplications[i].update(ics.mApplications[i], mContext, mCi);
}
}
if (mUiccApplications.length > 0 && mUiccApplications[0] != null) {
// Initialize or Reinitialize CatService
mCatService = CatService.getInstance(mCi,
mContext,
this);
} else {
if (mCatService != null) {
mCatService.dispose();
}
mCatService = null;
}
sanitizeApplicationIndexes();
RadioState radioState = mCi.getRadioState();
if (DBG) log("update: radioState=" + radioState + " mLastRadioState="
+ mLastRadioState);
// No notifications while radio is off or we just powering up
if (radioState == RadioState.RADIO_ON && mLastRadioState == RadioState.RADIO_ON) {
if (oldState != CardState.CARDSTATE_ABSENT &&
mCardState == CardState.CARDSTATE_ABSENT) {
if (DBG) log("update: notify card removed");
mAbsentRegistrants.notifyRegistrants();
mHandler.sendMessage(mHandler.obtainMessage(EVENT_CARD_REMOVED, null));
} else if (oldState == CardState.CARDSTATE_ABSENT &&
mCardState != CardState.CARDSTATE_ABSENT) {
if (DBG) log("update: notify card added");
mHandler.sendMessage(mHandler.obtainMessage(EVENT_CARD_ADDED, null));
}
}
mLastRadioState = radioState;
}
}
protected void finalize() {
if (DBG) log("UiccCard finalized");
}
/**
* This function makes sure that application indexes are valid
* and resets invalid indexes. (This should never happen, but in case
* RIL misbehaves we need to manage situation gracefully)
*/
private void sanitizeApplicationIndexes() {
mGsmUmtsSubscriptionAppIndex =
checkIndex(mGsmUmtsSubscriptionAppIndex, AppType.APPTYPE_SIM, AppType.APPTYPE_USIM);
mCdmaSubscriptionAppIndex =
checkIndex(mCdmaSubscriptionAppIndex, AppType.APPTYPE_RUIM, AppType.APPTYPE_CSIM);
mImsSubscriptionAppIndex =
checkIndex(mImsSubscriptionAppIndex, AppType.APPTYPE_ISIM, null);
}
private int checkIndex(int index, AppType expectedAppType, AppType altExpectedAppType) {
if (mUiccApplications == null || index >= mUiccApplications.length) {
loge("App index " + index + " is invalid since there are no applications");
return -1;
}
if (index < 0) {
// This is normal. (i.e. no application of this type)
return -1;
}
if (mUiccApplications[index].getType() != expectedAppType &&
mUiccApplications[index].getType() != altExpectedAppType) {
loge("App index " + index + " is invalid since it's not " +
expectedAppType + " and not " + altExpectedAppType);
return -1;
}
// Seems to be valid
return index;
}
/**
* Notifies handler of any transition into State.ABSENT
*/
public void registerForAbsent(Handler h, int what, Object obj) {
synchronized (mLock) {
Registrant r = new Registrant (h, what, obj);
mAbsentRegistrants.add(r);
if (mCardState == CardState.CARDSTATE_ABSENT) {
r.notifyRegistrant();
}
}
}
public void unregisterForAbsent(Handler h) {
synchronized (mLock) {
mAbsentRegistrants.remove(h);
}
}
private void onIccSwap(boolean isAdded) {
synchronized (mLock) {
// TODO: Here we assume the device can't handle SIM hot-swap
// and has to reboot. We may want to add a property,
// e.g. REBOOT_ON_SIM_SWAP, to indicate if modem support
// hot-swap.
DialogInterface.OnClickListener listener = null;
// TODO: SimRecords is not reset while SIM ABSENT (only reset while
// Radio_off_or_not_available). Have to reset in both both
// added or removed situation.
listener = new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
synchronized (mLock) {
if (which == DialogInterface.BUTTON_POSITIVE) {
if (DBG) log("Reboot due to SIM swap");
PowerManager pm = (PowerManager) mContext
.getSystemService(Context.POWER_SERVICE);
pm.reboot("SIM is added.");
}
}
}
};
Resources r = Resources.getSystem();
String title = (isAdded) ? r.getString(R.string.sim_added_title) :
r.getString(R.string.sim_removed_title);
String message = (isAdded) ? r.getString(R.string.sim_added_message) :
r.getString(R.string.sim_removed_message);
String buttonTxt = r.getString(R.string.sim_restart_button);
AlertDialog dialog = new AlertDialog.Builder(mContext)
.setTitle(title)
.setMessage(message)
.setPositiveButton(buttonTxt, listener)
.create();
dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
dialog.show();
}
}
protected Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg){
if (mDestroyed) {
loge("Received message " + msg + "[" + msg.what
+ "] while being destroyed. Ignoring.");
return;
}
switch (msg.what) {
case EVENT_CARD_REMOVED:
onIccSwap(false);
break;
case EVENT_CARD_ADDED:
onIccSwap(true);
break;
default:
loge("Unknown Event " + msg.what);
}
}
};
public boolean isApplicationOnIcc(IccCardApplicationStatus.AppType type) {
synchronized (mLock) {
for (int i = 0 ; i < mUiccApplications.length; i++) {
if (mUiccApplications[i] != null && mUiccApplications[i].getType() == type) {
return true;
}
}
return false;
}
}
public CardState getCardState() {
synchronized (mLock) {
return mCardState;
}
}
public PinState getUniversalPinState() {
synchronized (mLock) {
return mUniversalPinState;
}
}
public UiccCardApplication getApplication(int family) {
synchronized (mLock) {
int index = IccCardStatus.CARD_MAX_APPS;
switch (family) {
case UiccController.APP_FAM_3GPP:
index = mGsmUmtsSubscriptionAppIndex;
break;
case UiccController.APP_FAM_3GPP2:
index = mCdmaSubscriptionAppIndex;
break;
case UiccController.APP_FAM_IMS:
index = mImsSubscriptionAppIndex;
break;
}
if (index >= 0 && index < mUiccApplications.length) {
return mUiccApplications[index];
}
return null;
}
}
public UiccCardApplication getApplicationIndex(int index) {
synchronized (mLock) {
if (index >= 0 && index < mUiccApplications.length) {
return mUiccApplications[index];
}
return null;
}
}
private void log(String msg) {
Log.d(LOG_TAG, msg);
}
private void loge(String msg) {
Log.e(LOG_TAG, msg);
}
}