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/*
* Copyright (C) 2017 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.dialer.simulator.impl;
import android.support.annotation.NonNull;
import android.telecom.CallAudioState;
import android.telecom.Conference;
import android.telecom.Connection;
import android.telecom.PhoneAccountHandle;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import com.android.dialer.simulator.Simulator;
import com.android.dialer.simulator.Simulator.Event;
import java.util.ArrayList;
import java.util.List;
/**
* Represents a conference call. When a user merges two phone calls we create an instance of this
* conference object and add it to the connection service. All operations such as hold and DTMF are
* then performed on this object.
*/
public final class SimulatorConference extends Conference implements SimulatorConnection.Listener {
static final int PROPERTY_GENERIC_CONFERENCE = 1 << 1;
private final List<Listener> listeners = new ArrayList<>();
private final List<Event> events = new ArrayList<>();
private final int conferenceType;
private SimulatorConference(
PhoneAccountHandle handle, @Simulator.ConferenceType int conferenceType) {
super(handle);
this.conferenceType = conferenceType;
setActive();
}
static SimulatorConference newGsmConference(PhoneAccountHandle handle) {
SimulatorConference simulatorConference =
new SimulatorConference(handle, Simulator.CONFERENCE_TYPE_GSM);
simulatorConference.setConnectionCapabilities(
Connection.CAPABILITY_MUTE
| Connection.CAPABILITY_SUPPORT_HOLD
| Connection.CAPABILITY_HOLD
| Connection.CAPABILITY_MANAGE_CONFERENCE);
return simulatorConference;
}
public void addListener(@NonNull Listener listener) {
listeners.add(Assert.isNotNull(listener));
}
public void removeListener(@NonNull Listener listener) {
listeners.remove(Assert.isNotNull(listener));
}
@NonNull
public List<Event> getEvents() {
return events;
}
@Override
public void onCallAudioStateChanged(CallAudioState state) {
LogUtil.enterBlock("SimulatorConference.onCallAudioStateChanged");
onEvent(new Event(Event.CALL_AUDIO_STATE_CHANGED));
}
@Override
public void onConnectionAdded(Connection connection) {
LogUtil.enterBlock("SimulatorConference.onConnectionAdded");
onEvent(
new Event(
Event.CONNECTION_ADDED, SimulatorSimCallManager.getConnectionTag(connection), null));
((SimulatorConnection) connection).addListener(this);
}
@Override
public void onDisconnect() {
LogUtil.enterBlock("SimulatorConference.onDisconnect");
onEvent(new Event(Event.DISCONNECT));
}
@Override
public void onHold() {
LogUtil.enterBlock("SimulatorConference.onHold");
onEvent(new Event(Event.HOLD));
}
@Override
public void onMerge(Connection connection) {
LogUtil.i("SimulatorConference.onMerge", "connection: " + connection);
onEvent(new Event(Event.MERGE, SimulatorSimCallManager.getConnectionTag(connection), null));
}
@Override
public void onMerge() {
LogUtil.enterBlock("SimulatorConference.onMerge");
onEvent(new Event(Event.MERGE));
}
@Override
public void onPlayDtmfTone(char c) {
LogUtil.enterBlock("SimulatorConference.onPlayDtmfTone");
onEvent(new Event(Event.DTMF, Character.toString(c), null));
}
@Override
public void onSeparate(Connection connection) {
LogUtil.i("SimulatorConference.onSeparate", "connection: " + connection);
onEvent(new Event(Event.SEPARATE, SimulatorSimCallManager.getConnectionTag(connection), null));
}
@Override
public void onSwap() {
LogUtil.enterBlock("SimulatorConference.onSwap");
onEvent(new Event(Event.SWAP));
}
@Override
public void onUnhold() {
LogUtil.enterBlock("SimulatorConference.onUnhold");
onEvent(new Event(Event.UNHOLD));
}
@Override
public void onEvent(@NonNull SimulatorConnection connection, @NonNull Event event) {
if (conferenceType == Simulator.CONFERENCE_TYPE_GSM) {
onGsmEvent(connection, event);
}
}
private void onGsmEvent(@NonNull SimulatorConnection connection, @NonNull Event event) {
if (event.type == Event.STATE_CHANGE
&& Connection.stateToString(Connection.STATE_DISCONNECTED).equals(event.data2)) {
removeConnection(connection);
connection.removeListener(this);
if (getConnections().size() <= 1) {
// When only one connection exists, it's not conference call anymore
setDisconnected(connection.getDisconnectCause());
destroy();
}
}
}
void onEvent(@NonNull Event event) {
events.add(Assert.isNotNull(event));
for (Listener listener : new ArrayList<>(listeners)) {
listener.onEvent(this, event);
}
}
/** Callback for when a new event arrives. */
public interface Listener {
void onEvent(@NonNull SimulatorConference conference, @NonNull Event event);
}
}
|
