/*
* Copyright (C) 2006 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 java.util.ArrayList;
import java.util.List;
import android.telephony.Rlog;
/**
* {@hide}
*/
public abstract class Call {
protected final String LOG_TAG = "Call";
/* Enums */
public enum State {
IDLE, ACTIVE, HOLDING, DIALING, ALERTING, INCOMING, WAITING, DISCONNECTED, DISCONNECTING;
public boolean isAlive() {
return !(this == IDLE || this == DISCONNECTED || this == DISCONNECTING);
}
public boolean isRinging() {
return this == INCOMING || this == WAITING;
}
public boolean isDialing() {
return this == DIALING || this == ALERTING;
}
}
public static State
stateFromDCState (DriverCall.State dcState) {
switch (dcState) {
case ACTIVE: return State.ACTIVE;
case HOLDING: return State.HOLDING;
case DIALING: return State.DIALING;
case ALERTING: return State.ALERTING;
case INCOMING: return State.INCOMING;
case WAITING: return State.WAITING;
default: throw new RuntimeException ("illegal call state:" + dcState);
}
}
public enum SrvccState {
NONE, STARTED, COMPLETED, FAILED, CANCELED;
}
/* Instance Variables */
public State mState = State.IDLE;
public ArrayList<Connection> mConnections = new ArrayList<Connection>();
// Flag to indicate if the current calling/caller information
// is accurate. If false the information is known to be accurate.
//
// For CDMA, during call waiting/3 way, there is no network response
// if call waiting is answered, network timed out, dropped, 3 way
// merged, etc.
protected boolean mIsGeneric = false;
/* Instance Methods */
/** Do not modify the List result!!! This list is not yours to keep
* It will change across event loop iterations top
*/
public abstract List<Connection> getConnections();
public abstract Phone getPhone();
public abstract boolean isMultiparty();
public abstract void hangup() throws CallStateException;
/**
* hasConnection
*
* @param c a Connection object
* @return true if the call contains the connection object passed in
*/
public boolean hasConnection(Connection c) {
return c.getCall() == this;
}
/**
* hasConnections
* @return true if the call contains one or more connections
*/
public boolean hasConnections() {
List<Connection> connections = getConnections();
if (connections == null) {
return false;
}
return connections.size() > 0;
}
/**
* getState
* @return state of class call
*/
public State getState() {
return mState;
}
/**
* isIdle
*
* FIXME rename
* @return true if the call contains only disconnected connections (if any)
*/
public boolean isIdle() {
return !getState().isAlive();
}
/**
* Returns the Connection associated with this Call that was created
* first, or null if there are no Connections in this Call
*/
public Connection
getEarliestConnection() {
List<Connection> l;
long time = Long.MAX_VALUE;
Connection c;
Connection earliest = null;
l = getConnections();
if (l.size() == 0) {
return null;
}
for (int i = 0, s = l.size() ; i < s ; i++) {
c = l.get(i);
long t;
t = c.getCreateTime();
if (t < time) {
earliest = c;
time = t;
}
}
return earliest;
}
public long
getEarliestCreateTime() {
List<Connection> l;
long time = Long.MAX_VALUE;
l = getConnections();
if (l.size() == 0) {
return 0;
}
for (int i = 0, s = l.size() ; i < s ; i++) {
Connection c = l.get(i);
long t;
t = c.getCreateTime();
time = t < time ? t : time;
}
return time;
}
public long
getEarliestConnectTime() {
long time = Long.MAX_VALUE;
List<Connection> l = getConnections();
if (l.size() == 0) {
return 0;
}
for (int i = 0, s = l.size() ; i < s ; i++) {
Connection c = l.get(i);
long t;
t = c.getConnectTime();
time = t < time ? t : time;
}
return time;
}
public boolean
isDialingOrAlerting() {
return getState().isDialing();
}
public boolean
isRinging() {
return getState().isRinging();
}
/**
* Returns the Connection associated with this Call that was created
* last, or null if there are no Connections in this Call
*/
public Connection
getLatestConnection() {
List<Connection> l = getConnections();
if (l.size() == 0) {
return null;
}
long time = 0;
Connection latest = null;
for (int i = 0, s = l.size() ; i < s ; i++) {
Connection c = l.get(i);
long t = c.getCreateTime();
if (t > time) {
latest = c;
time = t;
}
}
return latest;
}
/**
* To indicate if the connection information is accurate
* or not. false means accurate. Only used for CDMA.
*/
public boolean isGeneric() {
return mIsGeneric;
}
/**
* Set the generic instance variable
*/
public void setGeneric(boolean generic) {
mIsGeneric = generic;
}
/**
* Hangup call if it is alive
*/
public void hangupIfAlive() {
if (getState().isAlive()) {
try {
hangup();
} catch (CallStateException ex) {
Rlog.w(LOG_TAG, " hangupIfActive: caught " + ex);
}
}
}
}
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