453 lines
17 KiB
Java
453 lines
17 KiB
Java
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server;
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import android.app.ActivityManagerNative;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.os.Bundle;
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import android.os.Binder;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.telephony.CellLocation;
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import android.telephony.PhoneStateListener;
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import android.telephony.ServiceState;
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import android.telephony.TelephonyManager;
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import android.util.Log;
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import java.util.ArrayList;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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import com.android.internal.telephony.ITelephonyRegistry;
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import com.android.internal.telephony.IPhoneStateListener;
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import com.android.internal.telephony.DefaultPhoneNotifier;
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import com.android.internal.telephony.Phone;
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import com.android.internal.telephony.PhoneStateIntentReceiver;
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import com.android.internal.telephony.TelephonyIntents;
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import static android.Manifest.permission.READ_PHONE_STATE;
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import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
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/**
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* Since phone process can be restarted, this class provides a centralized
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* place that applications can register and be called back from.
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*/
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class TelephonyRegistry extends ITelephonyRegistry.Stub {
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private static final String TAG = "TelephonyRegistry";
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private static class Record {
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String pkgForDebug;
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IBinder binder;
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IPhoneStateListener callback;
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int events;
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}
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private Context mContext;
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private ArrayList<Record> mRecords = new ArrayList();
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private int mCallState = TelephonyManager.CALL_STATE_IDLE;
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private String mCallIncomingNumber = "";
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private ServiceState mServiceState = new ServiceState();
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private int mSignalStrength = -1;
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private boolean mMessageWaiting = false;
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private boolean mCallForwarding = false;
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private int mDataActivity = TelephonyManager.DATA_ACTIVITY_NONE;
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private int mDataConnectionState = TelephonyManager.DATA_CONNECTED;
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private boolean mDataConnectionPossible = false;
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private String mDataConnectionReason = "";
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private String mDataConnectionApn = "";
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private String mDataConnectionInterfaceName = "";
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private Bundle mCellLocation = new Bundle();
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// we keep a copy of all of the sate so we can send it out when folks register for it
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//
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// In these calls we call with the lock held. This is safe becasuse remote
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// calls go through a oneway interface and local calls going through a handler before
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// they get to app code.
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TelephonyRegistry(Context context) {
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CellLocation.getEmpty().fillInNotifierBundle(mCellLocation);
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mContext = context;
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}
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public void listen(String pkgForDebug, IPhoneStateListener callback, int events,
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boolean notifyNow) {
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//Log.d(TAG, "listen pkg=" + pkgForDebug + " events=0x" + Integer.toHexString(events));
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if (events != 0) {
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// check permissions
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if ((events & PhoneStateListener.LISTEN_CELL_LOCATION) != 0) {
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mContext.enforceCallingOrSelfPermission(
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android.Manifest.permission.ACCESS_COARSE_LOCATION, null);
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}
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synchronized (mRecords) {
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// register
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Record r = null;
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find_and_add: {
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IBinder b = callback.asBinder();
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final int N = mRecords.size();
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for (int i=0; i<N; i++) {
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r = mRecords.get(i);
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if (b == r.binder) {
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break find_and_add;
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}
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}
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r = new Record();
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r.binder = b;
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r.callback = callback;
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r.pkgForDebug = pkgForDebug;
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mRecords.add(r);
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}
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int send = events & (events ^ r.events);
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r.events = events;
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if (notifyNow) {
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if ((events & PhoneStateListener.LISTEN_SERVICE_STATE) != 0) {
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sendServiceState(r, mServiceState);
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}
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if ((events & PhoneStateListener.LISTEN_SIGNAL_STRENGTH) != 0) {
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try {
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r.callback.onSignalStrengthChanged(mSignalStrength);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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if ((events & PhoneStateListener.LISTEN_MESSAGE_WAITING_INDICATOR) != 0) {
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try {
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r.callback.onMessageWaitingIndicatorChanged(mMessageWaiting);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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if ((events & PhoneStateListener.LISTEN_CALL_FORWARDING_INDICATOR) != 0) {
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try {
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r.callback.onCallForwardingIndicatorChanged(mCallForwarding);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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if ((events & PhoneStateListener.LISTEN_CELL_LOCATION) != 0) {
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sendCellLocation(r, mCellLocation);
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}
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if ((events & PhoneStateListener.LISTEN_CALL_STATE) != 0) {
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try {
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r.callback.onCallStateChanged(mCallState, mCallIncomingNumber);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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if ((events & PhoneStateListener.LISTEN_DATA_CONNECTION_STATE) != 0) {
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try {
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r.callback.onDataConnectionStateChanged(mDataConnectionState);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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if ((events & PhoneStateListener.LISTEN_DATA_ACTIVITY) != 0) {
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try {
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r.callback.onDataActivity(mDataActivity);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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}
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}
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} else {
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remove(callback.asBinder());
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}
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}
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private void remove(IBinder binder) {
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synchronized (mRecords) {
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final int N = mRecords.size();
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for (int i=0; i<N; i++) {
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if (mRecords.get(i).binder == binder) {
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mRecords.remove(i);
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return;
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}
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}
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}
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}
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public void notifyCallState(int state, String incomingNumber) {
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synchronized (mRecords) {
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mCallState = state;
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mCallIncomingNumber = incomingNumber;
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final int N = mRecords.size();
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for (int i=N-1; i>=0; i--) {
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Record r = mRecords.get(i);
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if ((r.events & PhoneStateListener.LISTEN_CALL_STATE) != 0) {
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try {
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r.callback.onCallStateChanged(state, incomingNumber);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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}
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}
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broadcastCallStateChanged(state, incomingNumber);
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}
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public void notifyServiceState(ServiceState state) {
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synchronized (mRecords) {
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mServiceState = state;
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final int N = mRecords.size();
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for (int i=N-1; i>=0; i--) {
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Record r = mRecords.get(i);
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if ((r.events & PhoneStateListener.LISTEN_SERVICE_STATE) != 0) {
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sendServiceState(r, state);
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}
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}
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}
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broadcastServiceStateChanged(state);
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}
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public void notifySignalStrength(int signalStrengthASU) {
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synchronized (mRecords) {
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mSignalStrength = signalStrengthASU;
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final int N = mRecords.size();
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for (int i=N-1; i>=0; i--) {
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Record r = mRecords.get(i);
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if ((r.events & PhoneStateListener.LISTEN_SIGNAL_STRENGTH) != 0) {
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try {
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r.callback.onSignalStrengthChanged(signalStrengthASU);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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}
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}
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broadcastSignalStrengthChanged(signalStrengthASU);
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}
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public void notifyMessageWaitingChanged(boolean mwi) {
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synchronized (mRecords) {
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mMessageWaiting = mwi;
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final int N = mRecords.size();
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for (int i=N-1; i>=0; i--) {
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Record r = mRecords.get(i);
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if ((r.events & PhoneStateListener.LISTEN_MESSAGE_WAITING_INDICATOR) != 0) {
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try {
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r.callback.onMessageWaitingIndicatorChanged(mwi);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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}
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}
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}
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public void notifyCallForwardingChanged(boolean cfi) {
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synchronized (mRecords) {
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mCallForwarding = cfi;
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final int N = mRecords.size();
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for (int i=N-1; i>=0; i--) {
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Record r = mRecords.get(i);
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if ((r.events & PhoneStateListener.LISTEN_CALL_FORWARDING_INDICATOR) != 0) {
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try {
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r.callback.onCallForwardingIndicatorChanged(cfi);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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}
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}
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}
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public void notifyDataActivity(int state) {
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synchronized (mRecords) {
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mDataActivity = state;
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final int N = mRecords.size();
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for (int i=N-1; i>=0; i--) {
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Record r = mRecords.get(i);
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if ((r.events & PhoneStateListener.LISTEN_DATA_ACTIVITY) != 0) {
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try {
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r.callback.onDataActivity(state);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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}
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}
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}
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public void notifyDataConnection(int state, boolean isDataConnectivityPissible,
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String reason, String apn, String interfaceName) {
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synchronized (mRecords) {
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mDataConnectionState = state;
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mDataConnectionPossible = isDataConnectivityPissible;
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mDataConnectionReason = reason;
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mDataConnectionApn = apn;
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mDataConnectionInterfaceName = interfaceName;
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final int N = mRecords.size();
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for (int i=N-1; i>=0; i--) {
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Record r = mRecords.get(i);
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if ((r.events & PhoneStateListener.LISTEN_DATA_CONNECTION_STATE) != 0) {
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try {
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r.callback.onDataConnectionStateChanged(state);
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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}
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}
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broadcastDataConnectionStateChanged(state, isDataConnectivityPissible,
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reason, apn, interfaceName);
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}
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public void notifyDataConnectionFailed(String reason) {
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/*
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* This is commented out because there is on onDataConnectionFailed callback
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* on PhoneStateListener. There should be.
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synchronized (mRecords) {
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mDataConnectionFailedReason = reason;
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final int N = mRecords.size();
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for (int i=N-1; i>=0; i--) {
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Record r = mRecords.get(i);
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if ((r.events & PhoneStateListener.LISTEN_DATA_CONNECTION_FAILED) != 0) {
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// XXX
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}
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}
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}
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*/
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broadcastDataConnectionFailed(reason);
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}
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public void notifyCellLocation(Bundle cellLocation) {
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synchronized (mRecords) {
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mCellLocation = cellLocation;
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final int N = mRecords.size();
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for (int i=N-1; i>=0; i--) {
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Record r = mRecords.get(i);
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if ((r.events & PhoneStateListener.LISTEN_CELL_LOCATION) != 0) {
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sendCellLocation(r, cellLocation);
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}
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}
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}
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}
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//
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// the new callback broadcasting
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//
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// copy the service state object so they can't mess it up in the local calls
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//
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public void sendServiceState(Record r, ServiceState state) {
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try {
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r.callback.onServiceStateChanged(new ServiceState(state));
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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public void sendCellLocation(Record r, Bundle cellLocation) {
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try {
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r.callback.onCellLocationChanged(new Bundle(cellLocation));
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} catch (RemoteException ex) {
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remove(r.binder);
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}
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}
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@Override
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public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
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if (mContext.checkCallingPermission(android.Manifest.permission.DUMP)
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!= PackageManager.PERMISSION_GRANTED) {
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pw.println("Permission Denial: can't dump telephony.registry from from pid="
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+ Binder.getCallingPid()
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+ ", uid=" + Binder.getCallingUid());
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return;
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}
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synchronized (mRecords) {
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final int N = mRecords.size();
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pw.println("last known state:");
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pw.println(" mCallState=" + mCallState);
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pw.println(" mCallIncomingNumber=" + mCallIncomingNumber);
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pw.println(" mServiceState=" + mServiceState);
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pw.println(" mSignalStrength=" + mSignalStrength);
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pw.println(" mMessageWaiting=" + mMessageWaiting);
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pw.println(" mCallForwarding=" + mCallForwarding);
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pw.println(" mDataActivity=" + mDataActivity);
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pw.println(" mDataConnectionState=" + mDataConnectionState);
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pw.println(" mDataConnectionPossible=" + mDataConnectionPossible);
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pw.println(" mDataConnectionReason=" + mDataConnectionReason);
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pw.println(" mDataConnectionApn=" + mDataConnectionApn);
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pw.println(" mDataConnectionInterfaceName=" + mDataConnectionInterfaceName);
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pw.println(" mCellLocation=" + mCellLocation);
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pw.println("registrations: count=" + N);
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for (int i=0; i<N; i++) {
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Record r = mRecords.get(i);
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pw.println(" " + r.pkgForDebug + " 0x" + Integer.toHexString(r.events));
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}
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}
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}
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//
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// the legacy intent broadcasting
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//
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private void broadcastServiceStateChanged(ServiceState state) {
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Intent intent = new Intent(TelephonyIntents.ACTION_SERVICE_STATE_CHANGED);
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Bundle data = new Bundle();
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state.fillInNotifierBundle(data);
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intent.putExtras(data);
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broadcastStickyIntent(intent);
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}
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private void broadcastSignalStrengthChanged(int asu) {
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Intent intent = new Intent(TelephonyIntents.ACTION_SIGNAL_STRENGTH_CHANGED);
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intent.putExtra(PhoneStateIntentReceiver.INTENT_KEY_ASU, asu);
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broadcastStickyIntent(intent);
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}
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private void broadcastCallStateChanged(int state, String incomingNumber) {
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Intent intent = new Intent(TelephonyIntents.ACTION_PHONE_STATE_CHANGED);
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intent.putExtra(Phone.STATE_KEY,
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DefaultPhoneNotifier.convertCallState(state).toString());
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intent.putExtra(PhoneStateIntentReceiver.INTENT_KEY_NUM, incomingNumber);
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broadcastStickyIntent(intent);
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}
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private void broadcastDataConnectionStateChanged(int state, boolean isDataConnectivityPossible,
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String reason, String apn, String interfaceName) {
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Intent intent = new Intent(TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED);
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intent.putExtra(Phone.STATE_KEY, DefaultPhoneNotifier.convertDataState(state).toString());
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if (!isDataConnectivityPossible) {
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intent.putExtra(Phone.NETWORK_UNAVAILABLE_KEY, true);
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}
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if (reason != null) {
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intent.putExtra(Phone.STATE_CHANGE_REASON_KEY, reason);
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}
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intent.putExtra(Phone.DATA_APN_KEY, apn);
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intent.putExtra(Phone.DATA_IFACE_NAME_KEY, interfaceName);
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broadcastStickyIntent(intent);
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}
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private void broadcastDataConnectionFailed(String reason) {
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Intent intent = new Intent(TelephonyIntents.ACTION_DATA_CONNECTION_FAILED);
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intent.putExtra(Phone.FAILURE_REASON_KEY, reason);
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broadcastStickyIntent(intent);
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}
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private static void broadcastStickyIntent(Intent intent) {
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ActivityManagerNative.broadcastStickyIntent(intent, null);
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}
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}
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