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/*
* Copyright (C) 2014 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.services.telephony;
import android.content.Context;
import android.net.sip.SipException;
import android.net.sip.SipManager;
import android.net.sip.SipProfile;
import android.net.Uri;
import android.os.AsyncTask;
import android.provider.Settings;
import android.telephony.PhoneNumberUtils;
import com.android.internal.telephony.Phone;
import com.android.internal.telephony.PhoneFactory;
import com.android.internal.telephony.sip.SipPhone;
import com.android.phone.Constants;
import com.android.phone.PhoneUtils;
import com.android.phone.sip.SipProfileDb;
import com.android.phone.sip.SipSharedPreferences;
import android.telecomm.Connection;
import android.telecomm.ConnectionRequest;
import android.telecomm.Response;
import java.util.HashMap;
/**
* Connection service that uses the SIP phone.
*/
public class SipConnectionService extends TelephonyConnectionService {
private static HashMap<String, SipPhone> sSipPhones = new HashMap<String, SipPhone>();
/** {@inheritDoc} */
@Override
public void onCreateConnections(
ConnectionRequest request,
OutgoingCallResponse callback) {
new GetSipProfileTask(this, request, callback).execute();
super.onCreateConnections(request, callback);
}
/** {@inheritDoc} */
@Override
public void onCreateIncomingConnection(
ConnectionRequest request,
Response<ConnectionRequest, Connection> callback) {
super.onCreateIncomingConnection(request, callback);
// TODO: fill in
}
/** {@inheritDoc} */
@Override
protected boolean canCall(Uri handle) {
return shouldUseSipPhone(handle.getScheme(), handle.getSchemeSpecificPart());
}
/** {@inheritDoc} */
@Override
protected TelephonyConnection onCreateTelephonyConnection(
ConnectionRequest request,
Phone phone,
com.android.internal.telephony.Connection connection) {
return new SipConnection(connection);
}
private boolean shouldUseSipPhone(String scheme, String number) {
// Scheme must be "sip" or "tel".
boolean isKnownCallScheme = Constants.SCHEME_TEL.equals(scheme)
|| Constants.SCHEME_SIP.equals(scheme);
if (!isKnownCallScheme) {
return false;
}
// Is voip supported
boolean voipSupported = PhoneUtils.isVoipSupported();
if (!voipSupported) {
return false;
}
// Check SIP address only
SipSharedPreferences sipSharedPreferences = new SipSharedPreferences(this);
String callOption = sipSharedPreferences.getSipCallOption();
boolean isRegularNumber = Constants.SCHEME_TEL.equals(scheme)
&& !PhoneNumberUtils.isUriNumber(number);
if (callOption.equals(Settings.System.SIP_ADDRESS_ONLY) && isRegularNumber) {
return false;
}
// Check if no SIP profiles.
SipProfileDb sipProfileDb = new SipProfileDb(this);
if (sipProfileDb.getProfilesCount() == 0 && isRegularNumber) {
return false;
}
return true;
}
/**
* Asynchronously looks up the SIP profile to use for the given call.
*/
private class GetSipProfileTask extends AsyncTask<Void, Void, SipProfile> {
private final ConnectionRequest mRequest;
private final OutgoingCallResponse mResponse;
private final SipProfileDb mSipProfileDb;
private final SipSharedPreferences mSipSharedPreferences;
GetSipProfileTask(
Context context,
ConnectionRequest request,
OutgoingCallResponse response) {
mRequest = request;
mResponse = response;
mSipProfileDb = new SipProfileDb(context);
mSipSharedPreferences = new SipSharedPreferences(context);
}
@Override
protected SipProfile doInBackground(Void... params) {
String primarySipUri = mSipSharedPreferences.getPrimaryAccount();
for (SipProfile profile : mSipProfileDb.retrieveSipProfileList()) {
if (profile.getUriString().equals(primarySipUri)) {
return profile;
}
}
// TODO(sail): Handle non-primary profiles by showing dialog.
return null;
}
@Override
protected void onPostExecute(SipProfile profile) {
onSipProfileChosen(profile, mRequest, mResponse);
}
}
private void onSipProfileChosen(
SipProfile profile,
ConnectionRequest request,
OutgoingCallResponse response) {
SipPhone phone = null;
if (profile != null) {
String sipUri = profile.getUriString();
phone = sSipPhones.get(sipUri);
if (phone == null) {
try {
SipManager.newInstance(this).open(profile);
phone = (SipPhone) PhoneFactory.makeSipPhone(sipUri);
sSipPhones.put(sipUri, phone);
} catch (SipException e) {
Log.e(this, e, "Failed to make a SIP phone");
}
}
}
startCallWithPhone(phone, request, response);
}
}
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