/*
* Copyright (C) 2009 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.phone;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.AsyncResult;
import android.os.Handler;
import android.os.Message;
import android.os.SystemProperties;
import android.provider.Settings;
import android.telephony.PhoneStateListener;
import android.telephony.ServiceState;
import android.telephony.TelephonyManager;
import com.android.internal.telephony.Phone;
import android.util.Log;
/*
* Handles OTA Start procedure at phone power up. At phone power up, if phone is not OTA
* provisioned (check MIN value of the Phone) and 'device_provisioned' is not set,
* OTA Activation screen is shown that helps user activate the phone
*/
public class OtaStartupReceiver extends BroadcastReceiver {
private static final String TAG = "OtaStartupReceiver";
private static final boolean DBG = true;
private static final int MIN_READY = 10;
private static final int SERVICE_STATE_CHANGED = 11;
private Context mContext;
/**
* For debug purposes we're listening for otaspChanged events as
* this may be be used in the future for deciding if OTASP is
* necessary.
*/
private int mOtaspMode = -1;
private boolean mPhoneStateListenerRegistered = false;
private PhoneStateListener mPhoneStateListener = new PhoneStateListener() {
@Override
public void onOtaspChanged(int otaspMode) {
mOtaspMode = otaspMode;
Log.v(TAG, "onOtaspChanged: mOtaspMode=" + mOtaspMode);
}
};
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MIN_READY:
Log.v(TAG, "Attempting OtaActivation from handler, mOtaspMode=" + mOtaspMode);
OtaUtils.maybeDoOtaCall(mContext, mHandler, MIN_READY);
break;
case SERVICE_STATE_CHANGED: {
ServiceState state = (ServiceState) ((AsyncResult) msg.obj).result;
if (DBG) Log.d(TAG, "onServiceStateChanged()... new state = " + state);
// Possible service states:
// - STATE_IN_SERVICE // Normal operation
// - STATE_OUT_OF_SERVICE // Still searching for an operator to register to,
// // or no radio signal
// - STATE_EMERGENCY_ONLY // Phone is locked; only emergency numbers are allowed
// - STATE_POWER_OFF // Radio is explicitly powered off (airplane mode)
// Once we reach STATE_IN_SERVICE
// it's finally OK to start OTA provisioning
if (state.getState() == ServiceState.STATE_IN_SERVICE) {
if (DBG) Log.d(TAG, "call OtaUtils.maybeDoOtaCall after network is available");
Phone phone = PhoneApp.getPhone();
phone.unregisterForServiceStateChanged(this);
OtaUtils.maybeDoOtaCall(mContext, mHandler, MIN_READY);
}
break;
}
}
}
};
@Override
public void onReceive(Context context, Intent intent) {
mContext = context;
if (DBG) {
Log.v(TAG, "onReceive: intent action=" + intent.getAction() +
" mOtaspMode=" + mOtaspMode);
}
if (!TelephonyCapabilities.supportsOtasp(PhoneApp.getPhone())) {
if (DBG) Log.d(TAG, "OTASP not supported, nothing to do.");
return;
}
if (mPhoneStateListenerRegistered == false) {
if (DBG) Log.d(TAG, "Register our PhoneStateListener");
TelephonyManager telephonyManager = (TelephonyManager)context.getSystemService(
Context.TELEPHONY_SERVICE);
telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_OTASP_CHANGED);
mPhoneStateListenerRegistered = true;
} else {
if (DBG) Log.d(TAG, "PhoneStateListener already registered");
}
if (shouldPostpone(context)) {
if (DBG) Log.d(TAG, "Postponing OTASP until wizard runs");
return;
}
// Delay OTA provisioning if network is not available yet
PhoneApp app = PhoneApp.getInstance();
Phone phone = PhoneApp.getPhone();
if (app.mCM.getServiceState() != ServiceState.STATE_IN_SERVICE) {
if (DBG) Log.w(TAG, "Network is not ready. Registering to receive notification.");
phone.registerForServiceStateChanged(mHandler, SERVICE_STATE_CHANGED, null);
return;
}
// The following depends on the phone process being persistent. Normally we can't
// expect a BroadcastReceiver to persist after returning from this function but it does
// because the phone activity is persistent.
if (DBG) Log.d(TAG, "call OtaUtils.maybeDoOtaCall");
OtaUtils.maybeDoOtaCall(mContext, mHandler, MIN_READY);
}
/**
* On devices that provide a phone initialization wizard (such as Google Setup Wizard), we
* allow delaying CDMA OTA setup so it can be done in a single wizard. The wizard is responsible
* for (1) disabling itself once it has been run and/or (2) setting the 'device_provisioned'
* flag to something non-zero and (3) calling the OTA Setup with the action below.
*
* NB: Typical phone initialization wizards will install themselves as the homescreen
* (category "android.intent.category.HOME") with a priority higher than the default.
* The wizard should set 'device_provisioned' when it completes, disable itself with the
* PackageManager.setComponentEnabledSetting() and then start home screen.
*
* @return true if setup will be handled by wizard, false if it should be done now.
*/
private boolean shouldPostpone(Context context) {
Intent intent = new Intent("android.intent.action.DEVICE_INITIALIZATION_WIZARD");
ResolveInfo resolveInfo = context.getPackageManager().resolveActivity(intent,
PackageManager.MATCH_DEFAULT_ONLY);
boolean provisioned = Settings.Secure.getInt(context.getContentResolver(),
Settings.Secure.DEVICE_PROVISIONED, 0) != 0;
String mode = SystemProperties.get("ro.setupwizard.mode", "REQUIRED");
boolean runningSetupWizard = "REQUIRED".equals(mode) || "OPTIONAL".equals(mode);
if (DBG) {
Log.v(TAG, "resolvInfo = " + resolveInfo + ", provisioned = " + provisioned
+ ", runningSetupWizard = " + runningSetupWizard);
}
return resolveInfo != null && !provisioned && runningSetupWizard;
}
}