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/*
* Copyright (C) 2016 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 android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.telephony.Rlog;
import android.util.LocalLog;
import android.util.Log;
import com.android.internal.util.IndentingPrintWriter;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.security.InvalidParameterException;
import static android.telephony.TelephonyManager.SIM_ACTIVATION_STATE_ACTIVATED;
import static android.telephony.TelephonyManager.SIM_ACTIVATION_STATE_DEACTIVATED;
import static android.telephony.TelephonyManager.SIM_ACTIVATION_STATE_UNKNOWN;
import static android.telephony.TelephonyManager.SIM_ACTIVATION_STATE_RESTRICTED;
import static android.telephony.TelephonyManager.SIM_ACTIVATION_STATE_ACTIVATING;
public class SimActivationTracker {
/**
* SimActivationTracker(SAT) serves as a central place to keep track of all knowledge of
* voice & data activation state which is set by custom/default carrier apps.
* Each phone object maintains a single activation tracker.
*/
private static final boolean DBG = true;
private static final String LOG_TAG = "SAT";
private static final boolean VDBG = Rlog.isLoggable(LOG_TAG, Log.VERBOSE);
private Phone mPhone;
/**
* Voice Activation State
* @see android.telephony.TelephonyManager#SIM_ACTIVATION_STATE_UNKNOWN
* @see android.telephony.TelephonyManager#SIM_ACTIVATION_STATE_ACTIVATING
* @see android.telephony.TelephonyManager#SIM_ACTIVATION_STATE_ACTIVATED
* @see android.telephony.TelephonyManager#SIM_ACTIVATION_STATE_DEACTIVATED
*/
private int mVoiceActivationState;
/**
* Data Activation State
* @see android.telephony.TelephonyManager#SIM_ACTIVATION_STATE_UNKNOWN
* @see android.telephony.TelephonyManager#SIM_ACTIVATION_STATE_ACTIVATING
* @see android.telephony.TelephonyManager#SIM_ACTIVATION_STATE_ACTIVATED
* @see android.telephony.TelephonyManager#SIM_ACTIVATION_STATE_DEACTIVATED
* @see android.telephony.TelephonyManager#SIM_ACTIVATION_STATE_RESTRICTED
*/
private int mDataActivationState;
private final LocalLog mVoiceActivationStateLog = new LocalLog(10);
private final LocalLog mDataActivationStateLog = new LocalLog(10);
private final BroadcastReceiver mReceiver;
public SimActivationTracker(Phone phone) {
mPhone = phone;
mVoiceActivationState = SIM_ACTIVATION_STATE_UNKNOWN;
mDataActivationState = SIM_ACTIVATION_STATE_UNKNOWN;
mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (VDBG) log("action: " + action);
if (TelephonyIntents.ACTION_SIM_STATE_CHANGED.equals(action)){
if (IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals(
intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE))) {
if (DBG) log("onSimAbsent, reset activation state to UNKNOWN");
setVoiceActivationState(SIM_ACTIVATION_STATE_UNKNOWN);
setDataActivationState(SIM_ACTIVATION_STATE_UNKNOWN);
}
}
}
};
IntentFilter intentFilter = new IntentFilter(TelephonyIntents.ACTION_SIM_STATE_CHANGED);
mPhone.getContext().registerReceiver(mReceiver, intentFilter);
}
public void setVoiceActivationState(int state) {
if (!isValidActivationState(state) || (SIM_ACTIVATION_STATE_RESTRICTED == state)) {
throw new IllegalArgumentException("invalid voice activation state: " + state);
}
if (DBG) log("setVoiceActivationState=" + state);
mVoiceActivationState = state;
mVoiceActivationStateLog.log(toString(state));
mPhone.notifyVoiceActivationStateChanged(state);
}
public void setDataActivationState(int state) {
if (!isValidActivationState(state)) {
throw new IllegalArgumentException("invalid data activation state: " + state);
}
if (DBG) log("setDataActivationState=" + state);
mDataActivationState = state;
mDataActivationStateLog.log(toString(state));
mPhone.notifyDataActivationStateChanged(state);
}
public int getVoiceActivationState() {
return mVoiceActivationState;
}
public int getDataActivationState() {
return mDataActivationState;
}
private static boolean isValidActivationState(int state) {
switch (state) {
case SIM_ACTIVATION_STATE_UNKNOWN:
case SIM_ACTIVATION_STATE_ACTIVATING:
case SIM_ACTIVATION_STATE_ACTIVATED:
case SIM_ACTIVATION_STATE_DEACTIVATED:
case SIM_ACTIVATION_STATE_RESTRICTED:
return true;
default:
return false;
}
}
private static String toString(int state) {
switch (state) {
case SIM_ACTIVATION_STATE_UNKNOWN:
return "unknown";
case SIM_ACTIVATION_STATE_ACTIVATING:
return "activating";
case SIM_ACTIVATION_STATE_ACTIVATED:
return "activated";
case SIM_ACTIVATION_STATE_DEACTIVATED:
return "deactivated";
case SIM_ACTIVATION_STATE_RESTRICTED:
return "restricted";
default:
return "invalid";
}
}
private void log(String s) {
Rlog.d(LOG_TAG, "[" + mPhone.getPhoneId() + "]" + s);
}
private void loge(String s) {
Rlog.e(LOG_TAG, "[" + mPhone.getPhoneId() + "]" + s);
}
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ");
pw.println(" mVoiceActivationState Log:");
ipw.increaseIndent();
mVoiceActivationStateLog.dump(fd, ipw, args);
ipw.decreaseIndent();
pw.println(" mDataActivationState Log:");
ipw.increaseIndent();
mDataActivationStateLog.dump(fd, ipw, args);
ipw.decreaseIndent();
}
public void dispose() {
mPhone.getContext().unregisterReceiver(mReceiver);
}
}
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