blob: affd947052e0fff419722d04cb4d96336979b6df [file] [log] [blame]
/*
* 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.phone;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.ActivityNotFoundException;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.graphics.drawable.Drawable;
import android.media.AudioManager;
import android.net.Uri;
import android.net.sip.SipManager;
import android.os.AsyncResult;
import android.os.AsyncTask;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.RemoteException;
import android.os.SystemProperties;
import android.provider.ContactsContract;
import android.provider.Settings;
import android.telephony.PhoneNumberUtils;
import android.text.TextUtils;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import android.widget.EditText;
import android.widget.Toast;
import com.android.internal.telephony.Call;
import com.android.internal.telephony.CallManager;
import com.android.internal.telephony.CallStateException;
import com.android.internal.telephony.CallerInfo;
import com.android.internal.telephony.CallerInfoAsyncQuery;
import com.android.internal.telephony.Connection;
import com.android.internal.telephony.IExtendedNetworkService;
import com.android.internal.telephony.MmiCode;
import com.android.internal.telephony.Phone;
import com.android.internal.telephony.TelephonyCapabilities;
import com.android.internal.telephony.TelephonyProperties;
import com.android.internal.telephony.cdma.CdmaConnection;
import com.android.internal.telephony.sip.SipPhone;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
/**
* Misc utilities for the Phone app.
*/
public class PhoneUtils {
private static final String LOG_TAG = "PhoneUtils";
private static final boolean DBG = (PhoneApp.DBG_LEVEL >= 2);
// Do not check in with VDBG = true, since that may write PII to the system log.
private static final boolean VDBG = false;
/** Control stack trace for Audio Mode settings */
private static final boolean DBG_SETAUDIOMODE_STACK = false;
/** Identifier for the "Add Call" intent extra. */
static final String ADD_CALL_MODE_KEY = "add_call_mode";
// Return codes from placeCall()
static final int CALL_STATUS_DIALED = 0; // The number was successfully dialed
static final int CALL_STATUS_DIALED_MMI = 1; // The specified number was an MMI code
static final int CALL_STATUS_FAILED = 2; // The call failed
// State of the Phone's audio modes
// Each state can move to the other states, but within the state only certain
// transitions for AudioManager.setMode() are allowed.
static final int AUDIO_IDLE = 0; /** audio behaviour at phone idle */
static final int AUDIO_RINGING = 1; /** audio behaviour while ringing */
static final int AUDIO_OFFHOOK = 2; /** audio behaviour while in call. */
/** Speaker state, persisting between wired headset connection events */
private static boolean sIsSpeakerEnabled = false;
/** Hash table to store mute (Boolean) values based upon the connection.*/
private static Hashtable<Connection, Boolean> sConnectionMuteTable =
new Hashtable<Connection, Boolean>();
/** Static handler for the connection/mute tracking */
private static ConnectionHandler mConnectionHandler;
/** Phone state changed event*/
private static final int PHONE_STATE_CHANGED = -1;
/** Define for not a special CNAP string */
private static final int CNAP_SPECIAL_CASE_NO = -1;
// Extended network service interface instance
private static IExtendedNetworkService mNwService = null;
// used to cancel MMI command after 15 seconds timeout for NWService requirement
private static Message mMmiTimeoutCbMsg = null;
/** Noise suppression status as selected by user */
private static boolean sIsNoiseSuppressionEnabled = true;
/**
* Handler that tracks the connections and updates the value of the
* Mute settings for each connection as needed.
*/
private static class ConnectionHandler extends Handler {
@Override
public void handleMessage(Message msg) {
AsyncResult ar = (AsyncResult) msg.obj;
switch (msg.what) {
case PHONE_STATE_CHANGED:
if (DBG) log("ConnectionHandler: updating mute state for each connection");
CallManager cm = (CallManager) ar.userObj;
// update the foreground connections, if there are new connections.
// Have to get all foreground calls instead of the active one
// because there may two foreground calls co-exist in shore period
// (a racing condition based on which phone changes firstly)
// Otherwise the connection may get deleted.
List<Connection> fgConnections = new ArrayList<Connection>();
for (Call fgCall : cm.getForegroundCalls()) {
if (!fgCall.isIdle()) {
fgConnections.addAll(fgCall.getConnections());
}
}
for (Connection cn : fgConnections) {
if (sConnectionMuteTable.get(cn) == null) {
sConnectionMuteTable.put(cn, Boolean.FALSE);
}
}
// mute is connection based operation, we need loop over
// all background calls instead of the first one to update
// the background connections, if there are new connections.
List<Connection> bgConnections = new ArrayList<Connection>();
for (Call bgCall : cm.getBackgroundCalls()) {
if (!bgCall.isIdle()) {
bgConnections.addAll(bgCall.getConnections());
}
}
for (Connection cn : bgConnections) {
if (sConnectionMuteTable.get(cn) == null) {
sConnectionMuteTable.put(cn, Boolean.FALSE);
}
}
// Check to see if there are any lingering connections here
// (disconnected connections), use old-school iterators to avoid
// concurrent modification exceptions.
Connection cn;
for (Iterator<Connection> cnlist = sConnectionMuteTable.keySet().iterator();
cnlist.hasNext();) {
cn = cnlist.next();
if (!fgConnections.contains(cn) && !bgConnections.contains(cn)) {
if (DBG) log("connection '" + cn + "' not accounted for, removing.");
cnlist.remove();
}
}
// Restore the mute state of the foreground call if we're not IDLE,
// otherwise just clear the mute state. This is really saying that
// as long as there is one or more connections, we should update
// the mute state with the earliest connection on the foreground
// call, and that with no connections, we should be back to a
// non-mute state.
if (cm.getState() != Phone.State.IDLE) {
restoreMuteState();
} else {
setMuteInternal(cm.getFgPhone(), false);
}
break;
}
}
}
private static ServiceConnection ExtendedNetworkServiceConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName name, IBinder iBinder) {
if (DBG) log("Extended NW onServiceConnected");
mNwService = IExtendedNetworkService.Stub.asInterface(iBinder);
}
public void onServiceDisconnected(ComponentName arg0) {
if (DBG) log("Extended NW onServiceDisconnected");
mNwService = null;
}
};
/**
* Register the ConnectionHandler with the phone, to receive connection events
*/
public static void initializeConnectionHandler(CallManager cm) {
if (mConnectionHandler == null) {
mConnectionHandler = new ConnectionHandler();
}
// pass over cm as user.obj
cm.registerForPreciseCallStateChanged(mConnectionHandler, PHONE_STATE_CHANGED, cm);
// Extended NW service
Intent intent = new Intent("com.android.ussd.IExtendedNetworkService");
cm.getDefaultPhone().getContext().bindService(intent,
ExtendedNetworkServiceConnection, Context.BIND_AUTO_CREATE);
if (DBG) log("Extended NW bindService IExtendedNetworkService");
}
/** This class is never instantiated. */
private PhoneUtils() {
}
/**
* Answer the currently-ringing call.
*
* @return true if we answered the call, or false if there wasn't
* actually a ringing incoming call, or some other error occurred.
*
* @see #answerAndEndHolding(CallManager, Call)
* @see #answerAndEndActive(CallManager, Call)
*/
/* package */ static boolean answerCall(Call ringing) {
log("answerCall(" + ringing + ")...");
final PhoneApp app = PhoneApp.getInstance();
// If the ringer is currently ringing and/or vibrating, stop it
// right now (before actually answering the call.)
app.getRinger().stopRing();
final Phone phone = ringing.getPhone();
final boolean phoneIsCdma = (phone.getPhoneType() == Phone.PHONE_TYPE_CDMA);
boolean answered = false;
BluetoothHandsfree bluetoothHandsfree = null;
if (phoneIsCdma) {
// Stop any signalInfo tone being played when a Call waiting gets answered
if (ringing.getState() == Call.State.WAITING) {
final CallNotifier notifier = app.notifier;
notifier.stopSignalInfoTone();
}
}
if (ringing != null && ringing.isRinging()) {
if (DBG) log("answerCall: call state = " + ringing.getState());
try {
if (phoneIsCdma) {
if (app.cdmaPhoneCallState.getCurrentCallState()
== CdmaPhoneCallState.PhoneCallState.IDLE) {
// This is the FIRST incoming call being answered.
// Set the Phone Call State to SINGLE_ACTIVE
app.cdmaPhoneCallState.setCurrentCallState(
CdmaPhoneCallState.PhoneCallState.SINGLE_ACTIVE);
} else {
// This is the CALL WAITING call being answered.
// Set the Phone Call State to CONF_CALL
app.cdmaPhoneCallState.setCurrentCallState(
CdmaPhoneCallState.PhoneCallState.CONF_CALL);
// Enable "Add Call" option after answering a Call Waiting as the user
// should be allowed to add another call in case one of the parties
// drops off
app.cdmaPhoneCallState.setAddCallMenuStateAfterCallWaiting(true);
// If a BluetoothHandsfree is valid we need to set the second call state
// so that the Bluetooth client can update the Call state correctly when
// a call waiting is answered from the Phone.
bluetoothHandsfree = app.getBluetoothHandsfree();
if (bluetoothHandsfree != null) {
bluetoothHandsfree.cdmaSetSecondCallState(true);
}
}
}
final boolean isRealIncomingCall = isRealIncomingCall(ringing.getState());
//if (DBG) log("sPhone.acceptCall");
app.mCM.acceptCall(ringing);
answered = true;
// Always reset to "unmuted" for a freshly-answered call
setMute(false);
setAudioMode();
// Check is phone in any dock, and turn on speaker accordingly
final boolean speakerActivated = activateSpeakerIfDocked(phone);
// When answering a phone call, the user will move the phone near to her/his ear
// and start conversation, without checking its speaker status. If some other
// application turned on the speaker mode before the call and didn't turn it off,
// Phone app would need to be responsible for the speaker phone.
// Here, we turn off the speaker if
// - the phone call is the first in-coming call,
// - we did not activate speaker by ourselves during the process above, and
// - Bluetooth headset is not in use.
if (isRealIncomingCall && !speakerActivated && isSpeakerOn(app)
&& !(bluetoothHandsfree != null && bluetoothHandsfree.isAudioOn())) {
// This is not an error but might cause users' confusion. Add log just in case.
Log.i(LOG_TAG, "Forcing speaker off due to new incoming call...");
turnOnSpeaker(app, false, true);
}
} catch (CallStateException ex) {
Log.w(LOG_TAG, "answerCall: caught " + ex, ex);
if (phoneIsCdma) {
// restore the cdmaPhoneCallState and bthf.cdmaSetSecondCallState:
app.cdmaPhoneCallState.setCurrentCallState(
app.cdmaPhoneCallState.getPreviousCallState());
if (bluetoothHandsfree != null) {
bluetoothHandsfree.cdmaSetSecondCallState(false);
}
}
}
}
return answered;
}
/**
* Smart "hang up" helper method which hangs up exactly one connection,
* based on the current Phone state, as follows:
* <ul>
* <li>If there's a ringing call, hang that up.
* <li>Else if there's a foreground call, hang that up.
* <li>Else if there's a background call, hang that up.
* <li>Otherwise do nothing.
* </ul>
* @return true if we successfully hung up, or false
* if there were no active calls at all.
*/
static boolean hangup(CallManager cm) {
boolean hungup = false;
Call ringing = cm.getFirstActiveRingingCall();
Call fg = cm.getActiveFgCall();
Call bg = cm.getFirstActiveBgCall();
if (!ringing.isIdle()) {
log("hangup(): hanging up ringing call");
hungup = hangupRingingCall(ringing);
} else if (!fg.isIdle()) {
log("hangup(): hanging up foreground call");
hungup = hangup(fg);
} else if (!bg.isIdle()) {
log("hangup(): hanging up background call");
hungup = hangup(bg);
} else {
// No call to hang up! This is unlikely in normal usage,
// since the UI shouldn't be providing an "End call" button in
// the first place. (But it *can* happen, rarely, if an
// active call happens to disconnect on its own right when the
// user is trying to hang up..)
log("hangup(): no active call to hang up");
}
if (DBG) log("==> hungup = " + hungup);
return hungup;
}
static boolean hangupRingingCall(Call ringing) {
if (DBG) log("hangup ringing call");
int phoneType = ringing.getPhone().getPhoneType();
Call.State state = ringing.getState();
if (state == Call.State.INCOMING) {
// Regular incoming call (with no other active calls)
log("hangupRingingCall(): regular incoming call: hangup()");
return hangup(ringing);
} else if (state == Call.State.WAITING) {
// Call-waiting: there's an incoming call, but another call is
// already active.
// TODO: It would be better for the telephony layer to provide
// a "hangupWaitingCall()" API that works on all devices,
// rather than us having to check the phone type here and do
// the notifier.sendCdmaCallWaitingReject() hack for CDMA phones.
if (phoneType == Phone.PHONE_TYPE_CDMA) {
// CDMA: Ringing call and Call waiting hangup is handled differently.
// For Call waiting we DO NOT call the conventional hangup(call) function
// as in CDMA we just want to hangup the Call waiting connection.
log("hangupRingingCall(): CDMA-specific call-waiting hangup");
final CallNotifier notifier = PhoneApp.getInstance().notifier;
notifier.sendCdmaCallWaitingReject();
return true;
} else {
// Otherwise, the regular hangup() API works for
// call-waiting calls too.
log("hangupRingingCall(): call-waiting call: hangup()");
return hangup(ringing);
}
} else {
// Unexpected state: the ringing call isn't INCOMING or
// WAITING, so there's no reason to have called
// hangupRingingCall() in the first place.
// (Presumably the incoming call went away at the exact moment
// we got here, so just do nothing.)
Log.w(LOG_TAG, "hangupRingingCall: no INCOMING or WAITING call");
return false;
}
}
static boolean hangupActiveCall(Call foreground) {
if (DBG) log("hangup active call");
return hangup(foreground);
}
static boolean hangupHoldingCall(Call background) {
if (DBG) log("hangup holding call");
return hangup(background);
}
/**
* Used in CDMA phones to end the complete Call session
* @param phone the Phone object.
* @return true if *any* call was successfully hung up
*/
static boolean hangupRingingAndActive(Phone phone) {
boolean hungUpRingingCall = false;
boolean hungUpFgCall = false;
Call ringingCall = phone.getRingingCall();
Call fgCall = phone.getForegroundCall();
// Hang up any Ringing Call
if (!ringingCall.isIdle()) {
log("hangupRingingAndActive: Hang up Ringing Call");
hungUpRingingCall = hangupRingingCall(ringingCall);
}
// Hang up any Active Call
if (!fgCall.isIdle()) {
log("hangupRingingAndActive: Hang up Foreground Call");
hungUpFgCall = hangupActiveCall(fgCall);
}
return hungUpRingingCall || hungUpFgCall;
}
/**
* Trivial wrapper around Call.hangup(), except that we return a
* boolean success code rather than throwing CallStateException on
* failure.
*
* @return true if the call was successfully hung up, or false
* if the call wasn't actually active.
*/
static boolean hangup(Call call) {
try {
CallManager cm = PhoneApp.getInstance().mCM;
if (call.getState() == Call.State.ACTIVE && cm.hasActiveBgCall()) {
// handle foreground call hangup while there is background call
log("- hangup(Call): hangupForegroundResumeBackground...");
cm.hangupForegroundResumeBackground(cm.getFirstActiveBgCall());
} else {
log("- hangup(Call): regular hangup()...");
call.hangup();
}
return true;
} catch (CallStateException ex) {
Log.e(LOG_TAG, "Call hangup: caught " + ex, ex);
}
return false;
}
/**
* Trivial wrapper around Connection.hangup(), except that we silently
* do nothing (rather than throwing CallStateException) if the
* connection wasn't actually active.
*/
static void hangup(Connection c) {
try {
if (c != null) {
c.hangup();
}
} catch (CallStateException ex) {
Log.w(LOG_TAG, "Connection hangup: caught " + ex, ex);
}
}
static boolean answerAndEndHolding(CallManager cm, Call ringing) {
if (DBG) log("end holding & answer waiting: 1");
if (!hangupHoldingCall(cm.getFirstActiveBgCall())) {
Log.e(LOG_TAG, "end holding failed!");
return false;
}
if (DBG) log("end holding & answer waiting: 2");
return answerCall(ringing);
}
/**
* Answers the incoming call specified by "ringing", and ends the currently active phone call.
*
* This method is useful when's there's an incoming call which we cannot manage with the
* current call. e.g. when you are having a phone call with CDMA network and has received
* a SIP call, then we won't expect our telephony can manage those phone calls simultaneously.
* Note that some types of network may allow multiple phone calls at once; GSM allows to hold
* an ongoing phone call, so we don't need to end the active call. The caller of this method
* needs to check if the network allows multiple phone calls or not.
*
* @see #answerCall(Call)
* @see InCallScreen#internalAnswerCall()
*/
/* package */ static boolean answerAndEndActive(CallManager cm, Call ringing) {
if (DBG) log("answerAndEndActive()...");
// Unlike the answerCall() method, we *don't* need to stop the
// ringer or change audio modes here since the user is already
// in-call, which means that the audio mode is already set
// correctly, and that we wouldn't have started the ringer in the
// first place.
// hanging up the active call also accepts the waiting call
// while active call and waiting call are from the same phone
// i.e. both from GSM phone
if (!hangupActiveCall(cm.getActiveFgCall())) {
Log.w(LOG_TAG, "end active call failed!");
return false;
}
// since hangupActiveCall() also accepts the ringing call
// check if the ringing call was already answered or not
// only answer it when the call still is ringing
if (ringing.isRinging()) {
return answerCall(ringing);
}
return true;
}
/**
* For a CDMA phone, advance the call state upon making a new
* outgoing call.
*
* <pre>
* IDLE -> SINGLE_ACTIVE
* or
* SINGLE_ACTIVE -> THRWAY_ACTIVE
* </pre>
* @param app The phone instance.
*/
private static void updateCdmaCallStateOnNewOutgoingCall(PhoneApp app) {
if (app.cdmaPhoneCallState.getCurrentCallState() ==
CdmaPhoneCallState.PhoneCallState.IDLE) {
// This is the first outgoing call. Set the Phone Call State to ACTIVE
app.cdmaPhoneCallState.setCurrentCallState(
CdmaPhoneCallState.PhoneCallState.SINGLE_ACTIVE);
} else {
// This is the second outgoing call. Set the Phone Call State to 3WAY
app.cdmaPhoneCallState.setCurrentCallState(
CdmaPhoneCallState.PhoneCallState.THRWAY_ACTIVE);
}
}
/**
* Dial the number using the phone passed in.
*
* If the connection is establised, this method issues a sync call
* that may block to query the caller info.
* TODO: Change the logic to use the async query.
*
* @param context To perform the CallerInfo query.
* @param phone the Phone object.
* @param number to be dialed as requested by the user. This is
* NOT the phone number to connect to. It is used only to build the
* call card and to update the call log. See above for restrictions.
* @param contactRef that triggered the call. Typically a 'tel:'
* uri but can also be a 'content://contacts' one.
* @param isEmergencyCall indicates that whether or not this is an
* emergency call
* @param gatewayUri Is the address used to setup the connection, null
* if not using a gateway
*
* @return either CALL_STATUS_DIALED or CALL_STATUS_FAILED
*/
public static int placeCall(Context context, Phone phone,
String number, Uri contactRef, boolean isEmergencyCall,
Uri gatewayUri) {
if (VDBG) {
log("placeCall()... number: '" + number + "'"
+ ", GW:'" + gatewayUri + "'"
+ ", contactRef:" + contactRef
+ ", isEmergencyCall: " + isEmergencyCall);
} else {
log("placeCall()... number: " + toLogSafePhoneNumber(number)
+ ", GW: " + (gatewayUri != null ? "non-null" : "null")
+ ", emergency? " + isEmergencyCall);
}
final PhoneApp app = PhoneApp.getInstance();
boolean useGateway = false;
if (null != gatewayUri &&
!isEmergencyCall &&
PhoneUtils.isRoutableViaGateway(number)) { // Filter out MMI, OTA and other codes.
useGateway = true;
}
int status = CALL_STATUS_DIALED;
Connection connection;
String numberToDial;
if (useGateway) {
// TODO: 'tel' should be a constant defined in framework base
// somewhere (it is in webkit.)
if (null == gatewayUri || !Constants.SCHEME_TEL.equals(gatewayUri.getScheme())) {
Log.e(LOG_TAG, "Unsupported URL:" + gatewayUri);
return CALL_STATUS_FAILED;
}
// We can use getSchemeSpecificPart because we don't allow #
// in the gateway numbers (treated a fragment delim.) However
// if we allow more complex gateway numbers sequence (with
// passwords or whatnot) that use #, this may break.
// TODO: Need to support MMI codes.
numberToDial = gatewayUri.getSchemeSpecificPart();
} else {
numberToDial = number;
}
// Log the last phone number to be sent to radio layer, which will help us a lot in some
// circumstances (issue 5914560).
//
// STOPSHIP: remove this log after fixing some of nasty issues (issue 5914560, 6337773).
log("Request CallManager to dial " + numberToDial
+ (isEmergencyCall ? "(as an emergency call)." : "."));
// Remember if the phone state was in IDLE state before this call.
// After calling CallManager#dial(), getState() will return different state.
final boolean initiallyIdle = app.mCM.getState() == Phone.State.IDLE;
try {
connection = app.mCM.dial(phone, numberToDial);
} catch (CallStateException ex) {
// CallStateException means a new outgoing call is not currently
// possible: either no more call slots exist, or there's another
// call already in the process of dialing or ringing.
Log.w(LOG_TAG, "Exception from app.mCM.dial()", ex);
return CALL_STATUS_FAILED;
// Note that it's possible for CallManager.dial() to return
// null *without* throwing an exception; that indicates that
// we dialed an MMI (see below).
}
int phoneType = phone.getPhoneType();
// On GSM phones, null is returned for MMI codes
if (null == connection) {
if (phoneType == Phone.PHONE_TYPE_GSM && gatewayUri == null) {
if (DBG) log("dialed MMI code: " + number);
status = CALL_STATUS_DIALED_MMI;
// Set dialed MMI command to service
if (mNwService != null) {
try {
mNwService.setMmiString(number);
if (DBG) log("Extended NW bindService setUssdString (" + number + ")");
} catch (RemoteException e) {
mNwService = null;
}
}
} else {
status = CALL_STATUS_FAILED;
}
} else {
if (phoneType == Phone.PHONE_TYPE_CDMA) {
updateCdmaCallStateOnNewOutgoingCall(app);
}
// Clean up the number to be displayed.
if (phoneType == Phone.PHONE_TYPE_CDMA) {
number = CdmaConnection.formatDialString(number);
}
number = PhoneNumberUtils.extractNetworkPortion(number);
number = PhoneNumberUtils.convertKeypadLettersToDigits(number);
number = PhoneNumberUtils.formatNumber(number);
if (gatewayUri == null) {
// phone.dial() succeeded: we're now in a normal phone call.
// attach the URI to the CallerInfo Object if it is there,
// otherwise just attach the Uri Reference.
// if the uri does not have a "content" scheme, then we treat
// it as if it does NOT have a unique reference.
String content = context.getContentResolver().SCHEME_CONTENT;
if ((contactRef != null) && (contactRef.getScheme().equals(content))) {
Object userDataObject = connection.getUserData();
if (userDataObject == null) {
connection.setUserData(contactRef);
} else {
// TODO: This branch is dead code, we have
// just created the connection which has
// no user data (null) by default.
if (userDataObject instanceof CallerInfo) {
((CallerInfo) userDataObject).contactRefUri = contactRef;
} else {
((CallerInfoToken) userDataObject).currentInfo.contactRefUri =
contactRef;
}
}
}
} else {
// Get the caller info synchronously because we need the final
// CallerInfo object to update the dialed number with the one
// requested by the user (and not the provider's gateway number).
CallerInfo info = null;
String content = phone.getContext().getContentResolver().SCHEME_CONTENT;
if ((contactRef != null) && (contactRef.getScheme().equals(content))) {
info = CallerInfo.getCallerInfo(context, contactRef);
}
// Fallback, lookup contact using the phone number if the
// contact's URI scheme was not content:// or if is was but
// the lookup failed.
if (null == info) {
info = CallerInfo.getCallerInfo(context, number);
}
info.phoneNumber = number;
connection.setUserData(info);
}
setAudioMode();
if (DBG) log("about to activate speaker");
// Check is phone in any dock, and turn on speaker accordingly
final boolean speakerActivated = activateSpeakerIfDocked(phone);
// See also similar logic in answerCall().
final BluetoothHandsfree bluetoothHandsfree = app.getBluetoothHandsfree();
if (initiallyIdle && !speakerActivated && isSpeakerOn(app)
&& !(bluetoothHandsfree != null && bluetoothHandsfree.isAudioOn())) {
// This is not an error but might cause users' confusion. Add log just in case.
Log.i(LOG_TAG, "Forcing speaker off when initiating a new outgoing call...");
PhoneUtils.turnOnSpeaker(app, false, true);
}
}
return status;
}
private static String toLogSafePhoneNumber(String number) {
if (VDBG) {
// When VDBG is true we emit PII.
return number;
}
// Do exactly same thing as Uri#toSafeString() does, which will enable us to compare
// sanitized phone numbers.
StringBuilder builder = new StringBuilder();
for (int i = 0; i < number.length(); i++) {
char c = number.charAt(i);
if (c == '-' || c == '@' || c == '.') {
builder.append(c);
} else {
builder.append('x');
}
}
return builder.toString();
}
/**
* Wrapper function to control when to send an empty Flash command to the network.
* Mainly needed for CDMA networks, such as scenarios when we need to send a blank flash
* to the network prior to placing a 3-way call for it to be successful.
*/
static void sendEmptyFlash(Phone phone) {
if (phone.getPhoneType() == Phone.PHONE_TYPE_CDMA) {
Call fgCall = phone.getForegroundCall();
if (fgCall.getState() == Call.State.ACTIVE) {
// Send the empty flash
if (DBG) Log.d(LOG_TAG, "onReceive: (CDMA) sending empty flash to network");
switchHoldingAndActive(phone.getBackgroundCall());
}
}
}
/**
* @param heldCall is the background call want to be swapped
*/
static void switchHoldingAndActive(Call heldCall) {
log("switchHoldingAndActive()...");
try {
CallManager cm = PhoneApp.getInstance().mCM;
if (heldCall.isIdle()) {
// no heldCall, so it is to hold active call
cm.switchHoldingAndActive(cm.getFgPhone().getBackgroundCall());
} else {
// has particular heldCall, so to switch
cm.switchHoldingAndActive(heldCall);
}
setAudioMode(cm);
} catch (CallStateException ex) {
Log.w(LOG_TAG, "switchHoldingAndActive: caught " + ex, ex);
}
}
/**
* Restore the mute setting from the earliest connection of the
* foreground call.
*/
static Boolean restoreMuteState() {
Phone phone = PhoneApp.getInstance().mCM.getFgPhone();
//get the earliest connection
Connection c = phone.getForegroundCall().getEarliestConnection();
// only do this if connection is not null.
if (c != null) {
int phoneType = phone.getPhoneType();
// retrieve the mute value.
Boolean shouldMute = null;
// In CDMA, mute is not maintained per Connection. Single mute apply for
// a call where call can have multiple connections such as
// Three way and Call Waiting. Therefore retrieving Mute state for
// latest connection can apply for all connection in that call
if (phoneType == Phone.PHONE_TYPE_CDMA) {
shouldMute = sConnectionMuteTable.get(
phone.getForegroundCall().getLatestConnection());
} else if ((phoneType == Phone.PHONE_TYPE_GSM)
|| (phoneType == Phone.PHONE_TYPE_SIP)) {
shouldMute = sConnectionMuteTable.get(c);
}
if (shouldMute == null) {
if (DBG) log("problem retrieving mute value for this connection.");
shouldMute = Boolean.FALSE;
}
// set the mute value and return the result.
setMute (shouldMute.booleanValue());
return shouldMute;
}
return Boolean.valueOf(getMute());
}
static void mergeCalls() {
mergeCalls(PhoneApp.getInstance().mCM);
}
static void mergeCalls(CallManager cm) {
int phoneType = cm.getFgPhone().getPhoneType();
if (phoneType == Phone.PHONE_TYPE_CDMA) {
log("mergeCalls(): CDMA...");
PhoneApp app = PhoneApp.getInstance();
if (app.cdmaPhoneCallState.getCurrentCallState()
== CdmaPhoneCallState.PhoneCallState.THRWAY_ACTIVE) {
// Set the Phone Call State to conference
app.cdmaPhoneCallState.setCurrentCallState(
CdmaPhoneCallState.PhoneCallState.CONF_CALL);
// Send flash cmd
// TODO: Need to change the call from switchHoldingAndActive to
// something meaningful as we are not actually trying to swap calls but
// instead are merging two calls by sending a Flash command.
log("- sending flash...");
switchHoldingAndActive(cm.getFirstActiveBgCall());
}
} else {
try {
log("mergeCalls(): calling cm.conference()...");
cm.conference(cm.getFirstActiveBgCall());
} catch (CallStateException ex) {
Log.w(LOG_TAG, "mergeCalls: caught " + ex, ex);
}
}
}
static void separateCall(Connection c) {
try {
if (DBG) log("separateCall: " + toLogSafePhoneNumber(c.getAddress()));
c.separate();
} catch (CallStateException ex) {
Log.w(LOG_TAG, "separateCall: caught " + ex, ex);
}
}
/**
* Handle the MMIInitiate message and put up an alert that lets
* the user cancel the operation, if applicable.
*
* @param context context to get strings.
* @param mmiCode the MmiCode object being started.
* @param buttonCallbackMessage message to post when button is clicked.
* @param previousAlert a previous alert used in this activity.
* @return the dialog handle
*/
static Dialog displayMMIInitiate(Context context,
MmiCode mmiCode,
Message buttonCallbackMessage,
Dialog previousAlert) {
if (DBG) log("displayMMIInitiate: " + mmiCode);
if (previousAlert != null) {
previousAlert.dismiss();
}
// The UI paradigm we are using now requests that all dialogs have
// user interaction, and that any other messages to the user should
// be by way of Toasts.
//
// In adhering to this request, all MMI initiating "OK" dialogs
// (non-cancelable MMIs) that end up being closed when the MMI
// completes (thereby showing a completion dialog) are being
// replaced with Toasts.
//
// As a side effect, moving to Toasts for the non-cancelable MMIs
// also means that buttonCallbackMessage (which was tied into "OK")
// is no longer invokable for these dialogs. This is not a problem
// since the only callback messages we supported were for cancelable
// MMIs anyway.
//
// A cancelable MMI is really just a USSD request. The term
// "cancelable" here means that we can cancel the request when the
// system prompts us for a response, NOT while the network is
// processing the MMI request. Any request to cancel a USSD while
// the network is NOT ready for a response may be ignored.
//
// With this in mind, we replace the cancelable alert dialog with
// a progress dialog, displayed until we receive a request from
// the the network. For more information, please see the comments
// in the displayMMIComplete() method below.
//
// Anything that is NOT a USSD request is a normal MMI request,
// which will bring up a toast (desribed above).
// Optional code for Extended USSD running prompt
if (mNwService != null) {
if (DBG) log("running USSD code, displaying indeterminate progress.");
// create the indeterminate progress dialog and display it.
ProgressDialog pd = new ProgressDialog(context);
CharSequence textmsg = "";
try {
textmsg = mNwService.getMmiRunningText();
} catch (RemoteException e) {
mNwService = null;
textmsg = context.getText(R.string.ussdRunning);
}
if (DBG) log("Extended NW displayMMIInitiate (" + textmsg + ")");
pd.setMessage(textmsg);
pd.setCancelable(false);
pd.setIndeterminate(true);
pd.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
pd.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG);
pd.show();
// trigger a 15 seconds timeout to clear this progress dialog
mMmiTimeoutCbMsg = buttonCallbackMessage;
try {
mMmiTimeoutCbMsg.getTarget().sendMessageDelayed(buttonCallbackMessage, 15000);
} catch(NullPointerException e) {
mMmiTimeoutCbMsg = null;
}
return pd;
}
boolean isCancelable = (mmiCode != null) && mmiCode.isCancelable();
if (!isCancelable) {
if (DBG) log("not a USSD code, displaying status toast.");
CharSequence text = context.getText(R.string.mmiStarted);
Toast.makeText(context, text, Toast.LENGTH_SHORT)
.show();
return null;
} else {
if (DBG) log("running USSD code, displaying indeterminate progress.");
// create the indeterminate progress dialog and display it.
ProgressDialog pd = new ProgressDialog(context);
pd.setMessage(context.getText(R.string.ussdRunning));
pd.setCancelable(false);
pd.setIndeterminate(true);
pd.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
pd.show();
return pd;
}
}
/**
* Handle the MMIComplete message and fire off an intent to display
* the message.
*
* @param context context to get strings.
* @param mmiCode MMI result.
* @param previousAlert a previous alert used in this activity.
*/
static void displayMMIComplete(final Phone phone, Context context, final MmiCode mmiCode,
Message dismissCallbackMessage,
AlertDialog previousAlert) {
final PhoneApp app = PhoneApp.getInstance();
CharSequence text;
int title = 0; // title for the progress dialog, if needed.
MmiCode.State state = mmiCode.getState();
if (DBG) log("displayMMIComplete: state=" + state);
// Clear timeout trigger message
if(mMmiTimeoutCbMsg != null) {
try{
mMmiTimeoutCbMsg.getTarget().removeMessages(mMmiTimeoutCbMsg.what);
if (DBG) log("Extended NW displayMMIComplete removeMsg");
} catch (NullPointerException e) {
}
mMmiTimeoutCbMsg = null;
}
switch (state) {
case PENDING:
// USSD code asking for feedback from user.
text = mmiCode.getMessage();
if (DBG) log("- using text from PENDING MMI message: '" + text + "'");
break;
case CANCELLED:
text = context.getText(R.string.mmiCancelled);
break;
case COMPLETE:
if (app.getPUKEntryActivity() != null) {
// if an attempt to unPUK the device was made, we specify
// the title and the message here.
title = com.android.internal.R.string.PinMmi;
text = context.getText(R.string.puk_unlocked);
break;
}
// All other conditions for the COMPLETE mmi state will cause
// the case to fall through to message logic in common with
// the FAILED case.
case FAILED:
text = mmiCode.getMessage();
if (DBG) log("- using text from MMI message: '" + text + "'");
break;
default:
throw new IllegalStateException("Unexpected MmiCode state: " + state);
}
if (previousAlert != null) {
previousAlert.dismiss();
}
// Check to see if a UI exists for the PUK activation. If it does
// exist, then it indicates that we're trying to unblock the PUK.
if ((app.getPUKEntryActivity() != null) && (state == MmiCode.State.COMPLETE)) {
if (DBG) log("displaying PUK unblocking progress dialog.");
// create the progress dialog, make sure the flags and type are
// set correctly.
ProgressDialog pd = new ProgressDialog(app);
pd.setTitle(title);
pd.setMessage(text);
pd.setCancelable(false);
pd.setIndeterminate(true);
pd.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG);
pd.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
// display the dialog
pd.show();
// indicate to the Phone app that the progress dialog has
// been assigned for the PUK unlock / SIM READY process.
app.setPukEntryProgressDialog(pd);
} else {
// In case of failure to unlock, we'll need to reset the
// PUK unlock activity, so that the user may try again.
if (app.getPUKEntryActivity() != null) {
app.setPukEntryActivity(null);
}
// A USSD in a pending state means that it is still
// interacting with the user.
if (state != MmiCode.State.PENDING) {
if (DBG) log("MMI code has finished running.");
// Replace response message with Extended Mmi wording
if (mNwService != null) {
try {
text = mNwService.getUserMessage(text);
} catch (RemoteException e) {
mNwService = null;
}
if (DBG) log("Extended NW displayMMIInitiate (" + text + ")");
if (text == null || text.length() == 0)
return;
}
// displaying system alert dialog on the screen instead of
// using another activity to display the message. This
// places the message at the forefront of the UI.
AlertDialog newDialog = new AlertDialog.Builder(context)
.setMessage(text)
.setPositiveButton(R.string.ok, null)
.setCancelable(true)
.create();
newDialog.getWindow().setType(
WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG);
newDialog.getWindow().addFlags(
WindowManager.LayoutParams.FLAG_DIM_BEHIND);
newDialog.show();
} else {
if (DBG) log("USSD code has requested user input. Constructing input dialog.");
// USSD MMI code that is interacting with the user. The
// basic set of steps is this:
// 1. User enters a USSD request
// 2. We recognize the request and displayMMIInitiate
// (above) creates a progress dialog.
// 3. Request returns and we get a PENDING or COMPLETE
// message.
// 4. These MMI messages are caught in the PhoneApp
// (onMMIComplete) and the InCallScreen
// (mHandler.handleMessage) which bring up this dialog
// and closes the original progress dialog,
// respectively.
// 5. If the message is anything other than PENDING,
// we are done, and the alert dialog (directly above)
// displays the outcome.
// 6. If the network is requesting more information from
// the user, the MMI will be in a PENDING state, and
// we display this dialog with the message.
// 7. User input, or cancel requests result in a return
// to step 1. Keep in mind that this is the only
// time that a USSD should be canceled.
// inflate the layout with the scrolling text area for the dialog.
LayoutInflater inflater = (LayoutInflater) context.getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
View dialogView = inflater.inflate(R.layout.dialog_ussd_response, null);
// get the input field.
final EditText inputText = (EditText) dialogView.findViewById(R.id.input_field);
// specify the dialog's click listener, with SEND and CANCEL logic.
final DialogInterface.OnClickListener mUSSDDialogListener =
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
switch (whichButton) {
case DialogInterface.BUTTON_POSITIVE:
phone.sendUssdResponse(inputText.getText().toString());
break;
case DialogInterface.BUTTON_NEGATIVE:
if (mmiCode.isCancelable()) {
mmiCode.cancel();
}
break;
}
}
};
// build the dialog
final AlertDialog newDialog = new AlertDialog.Builder(context)
.setMessage(text)
.setView(dialogView)
.setPositiveButton(R.string.send_button, mUSSDDialogListener)
.setNegativeButton(R.string.cancel, mUSSDDialogListener)
.setCancelable(false)
.create();
// attach the key listener to the dialog's input field and make
// sure focus is set.
final View.OnKeyListener mUSSDDialogInputListener =
new View.OnKeyListener() {
public boolean onKey(View v, int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_CALL:
case KeyEvent.KEYCODE_ENTER:
if(event.getAction() == KeyEvent.ACTION_DOWN) {
phone.sendUssdResponse(inputText.getText().toString());
newDialog.dismiss();
}
return true;
}
return false;
}
};
inputText.setOnKeyListener(mUSSDDialogInputListener);
inputText.requestFocus();
// set the window properties of the dialog
newDialog.getWindow().setType(
WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG);
newDialog.getWindow().addFlags(
WindowManager.LayoutParams.FLAG_DIM_BEHIND);
// now show the dialog!
newDialog.show();
}
}
}
/**
* Cancels the current pending MMI operation, if applicable.
* @return true if we canceled an MMI operation, or false
* if the current pending MMI wasn't cancelable
* or if there was no current pending MMI at all.
*
* @see displayMMIInitiate
*/
static boolean cancelMmiCode(Phone phone) {
List<? extends MmiCode> pendingMmis = phone.getPendingMmiCodes();
int count = pendingMmis.size();
if (DBG) log("cancelMmiCode: num pending MMIs = " + count);
boolean canceled = false;
if (count > 0) {
// assume that we only have one pending MMI operation active at a time.
// I don't think it's possible to enter multiple MMI codes concurrently
// in the phone UI, because during the MMI operation, an Alert panel
// is displayed, which prevents more MMI code from being entered.
MmiCode mmiCode = pendingMmis.get(0);
if (mmiCode.isCancelable()) {
mmiCode.cancel();
canceled = true;
}
}
//clear timeout message and pre-set MMI command
if (mNwService != null) {
try {
mNwService.clearMmiString();
} catch (RemoteException e) {
mNwService = null;
}
}
if (mMmiTimeoutCbMsg != null) {
mMmiTimeoutCbMsg = null;
}
return canceled;
}
public static class VoiceMailNumberMissingException extends Exception {
VoiceMailNumberMissingException() {
super();
}
VoiceMailNumberMissingException(String msg) {
super(msg);
}
}
/**
* Given an Intent (which is presumably the ACTION_CALL intent that
* initiated this outgoing call), figure out the actual phone number we
* should dial.
*
* Note that the returned "number" may actually be a SIP address,
* if the specified intent contains a sip: URI.
*
* This method is basically a wrapper around PhoneUtils.getNumberFromIntent(),
* except it's also aware of the EXTRA_ACTUAL_NUMBER_TO_DIAL extra.
* (That extra, if present, tells us the exact string to pass down to the
* telephony layer. It's guaranteed to be safe to dial: it's either a PSTN
* phone number with separators and keypad letters stripped out, or a raw
* unencoded SIP address.)
*
* @return the phone number corresponding to the specified Intent, or null
* if the Intent has no action or if the intent's data is malformed or
* missing.
*
* @throws VoiceMailNumberMissingException if the intent
* contains a "voicemail" URI, but there's no voicemail
* number configured on the device.
*/
public static String getInitialNumber(Intent intent)
throws PhoneUtils.VoiceMailNumberMissingException {
if (DBG) log("getInitialNumber(): " + intent);
String action = intent.getAction();
if (TextUtils.isEmpty(action)) {
return null;
}
// If the EXTRA_ACTUAL_NUMBER_TO_DIAL extra is present, get the phone
// number from there. (That extra takes precedence over the actual data
// included in the intent.)
if (intent.hasExtra(OutgoingCallBroadcaster.EXTRA_ACTUAL_NUMBER_TO_DIAL)) {
String actualNumberToDial =
intent.getStringExtra(OutgoingCallBroadcaster.EXTRA_ACTUAL_NUMBER_TO_DIAL);
if (DBG) {
log("==> got EXTRA_ACTUAL_NUMBER_TO_DIAL; returning '"
+ toLogSafePhoneNumber(actualNumberToDial) + "'");
}
return actualNumberToDial;
}
return getNumberFromIntent(PhoneApp.getInstance(), intent);
}
/**
* Gets the phone number to be called from an intent. Requires a Context
* to access the contacts database, and a Phone to access the voicemail
* number.
*
* <p>If <code>phone</code> is <code>null</code>, the function will return
* <code>null</code> for <code>voicemail:</code> URIs;
* if <code>context</code> is <code>null</code>, the function will return
* <code>null</code> for person/phone URIs.</p>
*
* <p>If the intent contains a <code>sip:</code> URI, the returned
* "number" is actually the SIP address.
*
* @param context a context to use (or
* @param intent the intent
*
* @throws VoiceMailNumberMissingException if <code>intent</code> contains
* a <code>voicemail:</code> URI, but <code>phone</code> does not
* have a voicemail number set.
*
* @return the phone number (or SIP address) that would be called by the intent,
* or <code>null</code> if the number cannot be found.
*/
private static String getNumberFromIntent(Context context, Intent intent)
throws VoiceMailNumberMissingException {
Uri uri = intent.getData();
String scheme = uri.getScheme();
// The sip: scheme is simple: just treat the rest of the URI as a
// SIP address.
if (Constants.SCHEME_SIP.equals(scheme)) {
return uri.getSchemeSpecificPart();
}
// Otherwise, let PhoneNumberUtils.getNumberFromIntent() handle
// the other cases (i.e. tel: and voicemail: and contact: URIs.)
final String number = PhoneNumberUtils.getNumberFromIntent(intent, context);
// Check for a voicemail-dialing request. If the voicemail number is
// empty, throw a VoiceMailNumberMissingException.
if (Constants.SCHEME_VOICEMAIL.equals(scheme) &&
(number == null || TextUtils.isEmpty(number)))
throw new VoiceMailNumberMissingException();
return number;
}
/**
* Returns the caller-id info corresponding to the specified Connection.
* (This is just a simple wrapper around CallerInfo.getCallerInfo(): we
* extract a phone number from the specified Connection, and feed that
* number into CallerInfo.getCallerInfo().)
*
* The returned CallerInfo may be null in certain error cases, like if the
* specified Connection was null, or if we weren't able to get a valid
* phone number from the Connection.
*
* Finally, if the getCallerInfo() call did succeed, we save the resulting
* CallerInfo object in the "userData" field of the Connection.
*
* NOTE: This API should be avoided, with preference given to the
* asynchronous startGetCallerInfo API.
*/
static CallerInfo getCallerInfo(Context context, Connection c) {
CallerInfo info = null;
if (c != null) {
//See if there is a URI attached. If there is, this means
//that there is no CallerInfo queried yet, so we'll need to
//replace the URI with a full CallerInfo object.
Object userDataObject = c.getUserData();
if (userDataObject instanceof Uri) {
info = CallerInfo.getCallerInfo(context, (Uri) userDataObject);
if (info != null) {
c.setUserData(info);
}
} else {
if (userDataObject instanceof CallerInfoToken) {
//temporary result, while query is running
info = ((CallerInfoToken) userDataObject).currentInfo;
} else {
//final query result
info = (CallerInfo) userDataObject;
}
if (info == null) {
// No URI, or Existing CallerInfo, so we'll have to make do with
// querying a new CallerInfo using the connection's phone number.
String number = c.getAddress();
if (DBG) log("getCallerInfo: number = " + toLogSafePhoneNumber(number));
if (!TextUtils.isEmpty(number)) {
info = CallerInfo.getCallerInfo(context, number);
if (info != null) {
c.setUserData(info);
}
}
}
}
}
return info;
}
/**
* Class returned by the startGetCallerInfo call to package a temporary
* CallerInfo Object, to be superceded by the CallerInfo Object passed
* into the listener when the query with token mAsyncQueryToken is complete.
*/
public static class CallerInfoToken {
/**indicates that there will no longer be updates to this request.*/
public boolean isFinal;
public CallerInfo currentInfo;
public CallerInfoAsyncQuery asyncQuery;
}
/**
* Start a CallerInfo Query based on the earliest connection in the call.
*/
static CallerInfoToken startGetCallerInfo(Context context, Call call,
CallerInfoAsyncQuery.OnQueryCompleteListener listener, Object cookie) {
Connection conn = null;
int phoneType = call.getPhone().getPhoneType();
if (phoneType == Phone.PHONE_TYPE_CDMA) {
conn = call.getLatestConnection();
} else if ((phoneType == Phone.PHONE_TYPE_GSM)
|| (phoneType == Phone.PHONE_TYPE_SIP)) {
conn = call.getEarliestConnection();
} else {
throw new IllegalStateException("Unexpected phone type: " + phoneType);
}
return startGetCallerInfo(context, conn, listener, cookie);
}
/**
* place a temporary callerinfo object in the hands of the caller and notify
* caller when the actual query is done.
*/
static CallerInfoToken startGetCallerInfo(Context context, Connection c,
CallerInfoAsyncQuery.OnQueryCompleteListener listener, Object cookie) {
CallerInfoToken cit;
if (c == null) {
//TODO: perhaps throw an exception here.
cit = new CallerInfoToken();
cit.asyncQuery = null;
return cit;
}
Object userDataObject = c.getUserData();
// There are now 3 states for the Connection's userData object:
//
// (1) Uri - query has not been executed yet
//
// (2) CallerInfoToken - query is executing, but has not completed.
//
// (3) CallerInfo - query has executed.
//
// In each case we have slightly different behaviour:
// 1. If the query has not been executed yet (Uri or null), we start
// query execution asynchronously, and note it by attaching a
// CallerInfoToken as the userData.
// 2. If the query is executing (CallerInfoToken), we've essentially
// reached a state where we've received multiple requests for the
// same callerInfo. That means that once the query is complete,
// we'll need to execute the additional listener requested.
// 3. If the query has already been executed (CallerInfo), we just
// return the CallerInfo object as expected.
// 4. Regarding isFinal - there are cases where the CallerInfo object
// will not be attached, like when the number is empty (caller id
// blocking). This flag is used to indicate that the
// CallerInfoToken object is going to be permanent since no
// query results will be returned. In the case where a query
// has been completed, this flag is used to indicate to the caller
// that the data will not be updated since it is valid.
//
// Note: For the case where a number is NOT retrievable, we leave
// the CallerInfo as null in the CallerInfoToken. This is
// something of a departure from the original code, since the old
// code manufactured a CallerInfo object regardless of the query
// outcome. From now on, we will append an empty CallerInfo
// object, to mirror previous behaviour, and to avoid Null Pointer
// Exceptions.
if (userDataObject instanceof Uri) {
// State (1): query has not been executed yet
//create a dummy callerinfo, populate with what we know from URI.
cit = new CallerInfoToken();
cit.currentInfo = new CallerInfo();
cit.asyncQuery = CallerInfoAsyncQuery.startQuery(QUERY_TOKEN, context,
(Uri) userDataObject, sCallerInfoQueryListener, c);
cit.asyncQuery.addQueryListener(QUERY_TOKEN, listener, cookie);
cit.isFinal = false;
c.setUserData(cit);
if (DBG) log("startGetCallerInfo: query based on Uri: " + userDataObject);
} else if (userDataObject == null) {
// No URI, or Existing CallerInfo, so we'll have to make do with
// querying a new CallerInfo using the connection's phone number.
String number = c.getAddress();
if (DBG) {
log("PhoneUtils.startGetCallerInfo: new query for phone number...");
log("- number (address): " + toLogSafePhoneNumber(number));
log("- c: " + c);
log("- phone: " + c.getCall().getPhone());
int phoneType = c.getCall().getPhone().getPhoneType();
log("- phoneType: " + phoneType);
switch (phoneType) {
case Phone.PHONE_TYPE_NONE: log(" ==> PHONE_TYPE_NONE"); break;
case Phone.PHONE_TYPE_GSM: log(" ==> PHONE_TYPE_GSM"); break;
case Phone.PHONE_TYPE_CDMA: log(" ==> PHONE_TYPE_CDMA"); break;
case Phone.PHONE_TYPE_SIP: log(" ==> PHONE_TYPE_SIP"); break;
default: log(" ==> Unknown phone type"); break;
}
}
cit = new CallerInfoToken();
cit.currentInfo = new CallerInfo();
// Store CNAP information retrieved from the Connection (we want to do this
// here regardless of whether the number is empty or not).
cit.currentInfo.cnapName = c.getCnapName();
cit.currentInfo.name = cit.currentInfo.cnapName; // This can still get overwritten
// by ContactInfo later
cit.currentInfo.numberPresentation = c.getNumberPresentation();
cit.currentInfo.namePresentation = c.getCnapNamePresentation();
if (VDBG) {
log("startGetCallerInfo: number = " + number);
log("startGetCallerInfo: CNAP Info from FW(1): name="
+ cit.currentInfo.cnapName
+ ", Name/Number Pres=" + cit.currentInfo.numberPresentation);
}
// handling case where number is null (caller id hidden) as well.
if (!TextUtils.isEmpty(number)) {
// Check for special CNAP cases and modify the CallerInfo accordingly
// to be sure we keep the right information to display/log later
number = modifyForSpecialCnapCases(context, cit.currentInfo, number,
cit.currentInfo.numberPresentation);
cit.currentInfo.phoneNumber = number;
// For scenarios where we may receive a valid number from the network but a
// restricted/unavailable presentation, we do not want to perform a contact query
// (see note on isFinal above). So we set isFinal to true here as well.
if (cit.currentInfo.numberPresentation != Connection.PRESENTATION_ALLOWED) {
cit.isFinal = true;
} else {
if (DBG) log("==> Actually starting CallerInfoAsyncQuery.startQuery()...");
cit.asyncQuery = CallerInfoAsyncQuery.startQuery(QUERY_TOKEN, context,
number, sCallerInfoQueryListener, c);
cit.asyncQuery.addQueryListener(QUERY_TOKEN, listener, cookie);
cit.isFinal = false;
}
} else {
// This is the case where we are querying on a number that
// is null or empty, like a caller whose caller id is
// blocked or empty (CLIR). The previous behaviour was to
// throw a null CallerInfo object back to the user, but
// this departure is somewhat cleaner.
if (DBG) log("startGetCallerInfo: No query to start, send trivial reply.");
cit.isFinal = true; // please see note on isFinal, above.
}
c.setUserData(cit);
if (DBG) {
log("startGetCallerInfo: query based on number: " + toLogSafePhoneNumber(number));
}
} else if (userDataObject instanceof CallerInfoToken) {
// State (2): query is executing, but has not completed.
// just tack on this listener to the queue.
cit = (CallerInfoToken) userDataObject;
// handling case where number is null (caller id hidden) as well.
if (cit.asyncQuery != null) {
cit.asyncQuery.addQueryListener(QUERY_TOKEN, listener, cookie);
if (DBG) log("startGetCallerInfo: query already running, adding listener: " +
listener.getClass().toString());
} else {
// handling case where number/name gets updated later on by the network
String updatedNumber = c.getAddress();
if (DBG) {
log("startGetCallerInfo: updatedNumber initially = "
+ toLogSafePhoneNumber(updatedNumber));
}
if (!TextUtils.isEmpty(updatedNumber)) {
// Store CNAP information retrieved from the Connection
cit.currentInfo.cnapName = c.getCnapName();
// This can still get overwritten by ContactInfo
cit.currentInfo.name = cit.currentInfo.cnapName;
cit.currentInfo.numberPresentation = c.getNumberPresentation();
cit.currentInfo.namePresentation = c.getCnapNamePresentation();
updatedNumber = modifyForSpecialCnapCases(context, cit.currentInfo,
updatedNumber, cit.currentInfo.numberPresentation);
cit.currentInfo.phoneNumber = updatedNumber;
if (DBG) {
log("startGetCallerInfo: updatedNumber="
+ toLogSafePhoneNumber(updatedNumber));
}
if (VDBG) {
log("startGetCallerInfo: CNAP Info from FW(2): name="
+ cit.currentInfo.cnapName
+ ", Name/Number Pres=" + cit.currentInfo.numberPresentation);
} else if (DBG) {
log("startGetCallerInfo: CNAP Info from FW(2)");
}
// For scenarios where we may receive a valid number from the network but a
// restricted/unavailable presentation, we do not want to perform a contact query
// (see note on isFinal above). So we set isFinal to true here as well.
if (cit.currentInfo.numberPresentation != Connection.PRESENTATION_ALLOWED) {
cit.isFinal = true;
} else {
cit.asyncQuery = CallerInfoAsyncQuery.startQuery(QUERY_TOKEN, context,
updatedNumber, sCallerInfoQueryListener, c);
cit.asyncQuery.addQueryListener(QUERY_TOKEN, listener, cookie);
cit.isFinal = false;
}
} else {
if (DBG) log("startGetCallerInfo: No query to attach to, send trivial reply.");
if (cit.currentInfo == null) {
cit.currentInfo = new CallerInfo();
}
// Store CNAP information retrieved from the Connection
cit.currentInfo.cnapName = c.getCnapName(); // This can still get
// overwritten by ContactInfo
cit.currentInfo.name = cit.currentInfo.cnapName;
cit.currentInfo.numberPresentation = c.getNumberPresentation();
cit.currentInfo.namePresentation = c.getCnapNamePresentation();
if (VDBG) {
log("startGetCallerInfo: CNAP Info from FW(3): name="
+ cit.currentInfo.cnapName
+ ", Name/Number Pres=" + cit.currentInfo.numberPresentation);
} else if (DBG) {
log("startGetCallerInfo: CNAP Info from FW(3)");
}
cit.isFinal = true; // please see note on isFinal, above.
}
}
} else {
// State (3): query is complete.
// The connection's userDataObject is a full-fledged
// CallerInfo instance. Wrap it in a CallerInfoToken and
// return it to the user.
cit = new CallerInfoToken();
cit.currentInfo = (CallerInfo) userDataObject;
cit.asyncQuery = null;
cit.isFinal = true;
// since the query is already done, call the listener.
if (DBG) log("startGetCallerInfo: query already done, returning CallerInfo");
if (DBG) log("==> cit.currentInfo = " + cit.currentInfo);
}
return cit;
}
/**
* Static CallerInfoAsyncQuery.OnQueryCompleteListener instance that
* we use with all our CallerInfoAsyncQuery.startQuery() requests.
*/
private static final int QUERY_TOKEN = -1;
static CallerInfoAsyncQuery.OnQueryCompleteListener sCallerInfoQueryListener =
new CallerInfoAsyncQuery.OnQueryCompleteListener () {
/**
* When the query completes, we stash the resulting CallerInfo
* object away in the Connection's "userData" (where it will
* later be retrieved by the in-call UI.)
*/
public void onQueryComplete(int token, Object cookie, CallerInfo ci) {
if (DBG) log("query complete, updating connection.userdata");
Connection conn = (Connection) cookie;
// Added a check if CallerInfo is coming from ContactInfo or from Connection.
// If no ContactInfo, then we want to use CNAP information coming from network
if (DBG) log("- onQueryComplete: CallerInfo:" + ci);
if (ci.contactExists || ci.isEmergencyNumber() || ci.isVoiceMailNumber()) {
// If the number presentation has not been set by
// the ContactInfo, use the one from the
// connection.
// TODO: Need a new util method to merge the info
// from the Connection in a CallerInfo object.
// Here 'ci' is a new CallerInfo instance read
// from the DB. It has lost all the connection
// info preset before the query (see PhoneUtils
// line 1334). We should have a method to merge
// back into this new instance the info from the
// connection object not set by the DB. If the
// Connection already has a CallerInfo instance in
// userData, then we could use this instance to
// fill 'ci' in. The same routine could be used in
// PhoneUtils.
if (0 == ci.numberPresentation) {
ci.numberPresentation = conn.getNumberPresentation();
}
} else {
// No matching contact was found for this number.
// Return a new CallerInfo based solely on the CNAP
// information from the network.
CallerInfo newCi = getCallerInfo(null, conn);
// ...but copy over the (few) things we care about
// from the original CallerInfo object:
if (newCi != null) {
newCi.phoneNumber = ci.phoneNumber; // To get formatted phone number
newCi.geoDescription = ci.geoDescription; // To get geo description string
ci = newCi;
}
}
if (DBG) log("==> Stashing CallerInfo " + ci + " into the connection...");
conn.setUserData(ci);
}
};
/**
* Returns a single "name" for the specified given a CallerInfo object.
* If the name is null, return defaultString as the default value, usually
* context.getString(R.string.unknown).
*/
static String getCompactNameFromCallerInfo(CallerInfo ci, Context context) {
if (DBG) log("getCompactNameFromCallerInfo: info = " + ci);
String compactName = null;
if (ci != null) {
if (TextUtils.isEmpty(ci.name)) {
// Perform any modifications for special CNAP cases to
// the phone number being displayed, if applicable.
compactName = modifyForSpecialCnapCases(context, ci, ci.phoneNumber,
ci.numberPresentation);
} else {
// Don't call modifyForSpecialCnapCases on regular name. See b/2160795.
compactName = ci.name;
}
}
if ((compactName == null) || (TextUtils.isEmpty(compactName))) {
// If we're still null/empty here, then check if we have a presentation
// string that takes precedence that we could return, otherwise display
// "unknown" string.
if (ci != null && ci.numberPresentation == Connection.PRESENTATION_RESTRICTED) {
compactName = context.getString(R.string.private_num);
} else if (ci != null && ci.numberPresentation == Connection.PRESENTATION_PAYPHONE) {
compactName = context.getString(R.string.payphone);
} else {
compactName = context.getString(R.string.unknown);
}
}
if (VDBG) log("getCompactNameFromCallerInfo: compactName=" + compactName);
return compactName;
}
/**
* Returns true if the specified Call is a "conference call", meaning
* that it owns more than one Connection object. This information is
* used to trigger certain UI changes that appear when a conference
* call is active (like displaying the label "Conference call", and
* enabling the "Manage conference" UI.)
*
* Watch out: This method simply checks the number of Connections,
* *not* their states. So if a Call has (for example) one ACTIVE
* connection and one DISCONNECTED connection, this method will return
* true (which is unintuitive, since the Call isn't *really* a
* conference call any more.)
*
* @return true if the specified call has more than one connection (in any state.)
*/
static boolean isConferenceCall(Call call) {
// CDMA phones don't have the same concept of "conference call" as
// GSM phones do; there's no special "conference call" state of
// the UI or a "manage conference" function. (Instead, when
// you're in a 3-way call, all we can do is display the "generic"
// state of the UI.) So as far as the in-call UI is concerned,
// Conference corresponds to generic display.
final PhoneApp app = PhoneApp.getInstance();
int phoneType = call.getPhone().getPhoneType();
if (phoneType == Phone.PHONE_TYPE_CDMA) {
CdmaPhoneCallState.PhoneCallState state = app.cdmaPhoneCallState.getCurrentCallState();
if ((state == CdmaPhoneCallState.PhoneCallState.CONF_CALL)
|| ((state == CdmaPhoneCallState.PhoneCallState.THRWAY_ACTIVE)
&& !app.cdmaPhoneCallState.IsThreeWayCallOrigStateDialing())) {
return true;
}
} else {
List<Connection> connections = call.getConnections();
if (connections != null && connections.size() > 1) {
return true;
}
}
return false;
// TODO: We may still want to change the semantics of this method
// to say that a given call is only really a conference call if
// the number of ACTIVE connections, not the total number of
// connections, is greater than one. (See warning comment in the
// javadoc above.)
// Here's an implementation of that:
// if (connections == null) {
// return false;
// }
// int numActiveConnections = 0;
// for (Connection conn : connections) {
// if (DBG) log(" - CONN: " + conn + ", state = " + conn.getState());
// if (conn.getState() == Call.State.ACTIVE) numActiveConnections++;
// if (numActiveConnections > 1) {
// return true;
// }
// }
// return false;
}
/**
* Launch the Dialer to start a new call.
* This is just a wrapper around the ACTION_DIAL intent.
*/
/* package */ static boolean startNewCall(final CallManager cm) {
final PhoneApp app = PhoneApp.getInstance();
// Sanity-check that this is OK given the current state of the phone.
if (!okToAddCall(cm)) {
Log.w(LOG_TAG, "startNewCall: can't add a new call in the current state");
dumpCallManager();
return false;
}
// if applicable, mute the call while we're showing the add call UI.
if (cm.hasActiveFgCall()) {
setMuteInternal(cm.getActiveFgCall().getPhone(), true);
// Inform the phone app that this mute state was NOT done
// voluntarily by the User.
app.setRestoreMuteOnInCallResume(true);
}
Intent intent = new Intent(Intent.ACTION_DIAL);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// when we request the dialer come up, we also want to inform
// it that we're going through the "add call" option from the
// InCallScreen / PhoneUtils.
intent.putExtra(ADD_CALL_MODE_KEY, true);
try {
app.startActivity(intent);
} catch (ActivityNotFoundException e) {
// This is rather rare but possible.
// Note: this method is used even when the phone is encrypted. At that moment
// the system may not find any Activity which can accept this Intent.
Log.e(LOG_TAG, "Activity for adding calls isn't found.");
return false;
}
return true;
}
/**
* Turns on/off speaker.
*
* @param context Context
* @param flag True when speaker should be on. False otherwise.
* @param store True when the settings should be stored in the device.
*/
/* package */ static void turnOnSpeaker(Context context, boolean flag, boolean store) {
if (DBG) log("turnOnSpeaker(flag=" + flag + ", store=" + store + ")...");
final PhoneApp app = PhoneApp.getInstance();
AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
audioManager.setSpeakerphoneOn(flag);
// record the speaker-enable value
if (store) {
sIsSpeakerEnabled = flag;
}
// Update the status bar icon
app.notificationMgr.updateSpeakerNotification(flag);
// We also need to make a fresh call to PhoneApp.updateWakeState()
// any time the speaker state changes, since the screen timeout is
// sometimes different depending on whether or not the speaker is
// in use.
app.updateWakeState();
// Update the Proximity sensor based on speaker state
app.updateProximitySensorMode(app.mCM.getState());
app.mCM.setEchoSuppressionEnabled(flag);
}
/**
* Restore the speaker mode, called after a wired headset disconnect
* event.
*/
static void restoreSpeakerMode(Context context) {
if (DBG) log("restoreSpeakerMode, restoring to: " + sIsSpeakerEnabled);
// change the mode if needed.
if (isSpeakerOn(context) != sIsSpeakerEnabled) {
turnOnSpeaker(context, sIsSpeakerEnabled, false);
}
}
static boolean isSpeakerOn(Context context) {
AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
return audioManager.isSpeakerphoneOn();
}
static void turnOnNoiseSuppression(Context context, boolean flag, boolean store) {
if (DBG) log("turnOnNoiseSuppression: " + flag);
AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
if (!context.getResources().getBoolean(R.bool.has_in_call_noise_suppression)) {
return;
}
if (flag) {
audioManager.setParameters("noise_suppression=auto");
} else {
audioManager.setParameters("noise_suppression=off");
}
// record the speaker-enable value
if (store) {
sIsNoiseSuppressionEnabled = flag;
}
// TODO: implement and manage ICON
}
static void restoreNoiseSuppression(Context context) {
if (DBG) log("restoreNoiseSuppression, restoring to: " + sIsNoiseSuppressionEnabled);
if (!context.getResources().getBoolean(R.bool.has_in_call_noise_suppression)) {
return;
}
// change the mode if needed.
if (isNoiseSuppressionOn(context) != sIsNoiseSuppressionEnabled) {
turnOnNoiseSuppression(context, sIsNoiseSuppressionEnabled, false);
}
}
static boolean isNoiseSuppressionOn(Context context) {
if (!context.getResources().getBoolean(R.bool.has_in_call_noise_suppression)) {
return false;
}
AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
String noiseSuppression = audioManager.getParameters("noise_suppression");
if (DBG) log("isNoiseSuppressionOn: " + noiseSuppression);
if (noiseSuppression.contains("off")) {
return false;
} else {
return true;
}
}
/**
*
* Mute / umute the foreground phone, which has the current foreground call
*
* All muting / unmuting from the in-call UI should go through this
* wrapper.
*
* Wrapper around Phone.setMute() and setMicrophoneMute().
* It also updates the connectionMuteTable and mute icon in the status bar.
*
*/
static void setMute(boolean muted) {
CallManager cm = PhoneApp.getInstance().mCM;
// make the call to mute the audio
setMuteInternal(cm.getFgPhone(), muted);
// update the foreground connections to match. This includes
// all the connections on conference calls.
for (Connection cn : cm.getActiveFgCall().getConnections()) {
if (sConnectionMuteTable.get(cn) == null) {
if (DBG) log("problem retrieving mute value for this connection.");
}
sConnectionMuteTable.put(cn, Boolean.valueOf(muted));
}
}
/**
* Internally used muting function.
*/
private static void setMuteInternal(Phone phone, boolean muted) {
final PhoneApp app = PhoneApp.getInstance();
Context context = phone.getContext();
boolean routeToAudioManager =
context.getResources().getBoolean(R.bool.send_mic_mute_to_AudioManager);
if (routeToAudioManager) {
AudioManager audioManager =
(AudioManager) phone.getContext().getSystemService(Context.AUDIO_SERVICE);
if (DBG) log("setMuteInternal: using setMicrophoneMute(" + muted + ")...");
audioManager.setMicrophoneMute(muted);
} else {
if (DBG) log("setMuteInternal: using phone.setMute(" + muted + ")...");
phone.setMute(muted);
}
app.notificationMgr.updateMuteNotification();
}
/**
* Get the mute state of foreground phone, which has the current
* foreground call
*/
static boolean getMute() {
final PhoneApp app = PhoneApp.getInstance();
boolean routeToAudioManager =
app.getResources().getBoolean(R.bool.send_mic_mute_to_AudioManager);
if (routeToAudioManager) {
AudioManager audioManager =
(AudioManager) app.getSystemService(Context.AUDIO_SERVICE);
return audioManager.isMicrophoneMute();
} else {
return app.mCM.getMute();
}
}
/* package */ static void setAudioMode() {
setAudioMode(PhoneApp.getInstance().mCM);
}
/**
* Sets the audio mode per current phone state.
*/
/* package */ static void setAudioMode(CallManager cm) {
if (DBG) Log.d(LOG_TAG, "setAudioMode()..." + cm.getState());
Context context = PhoneApp.getInstance();
AudioManager audioManager = (AudioManager)
context.getSystemService(Context.AUDIO_SERVICE);
int modeBefore = audioManager.getMode();
cm.setAudioMode();
int modeAfter = audioManager.getMode();
if (modeBefore != modeAfter) {
// Enable stack dump only when actively debugging ("new Throwable()" is expensive!)
if (DBG_SETAUDIOMODE_STACK) Log.d(LOG_TAG, "Stack:", new Throwable("stack dump"));
} else {
if (DBG) Log.d(LOG_TAG, "setAudioMode() no change: "
+ audioModeToString(modeBefore));
}
}
private static String audioModeToString(int mode) {
switch (mode) {
case AudioManager.MODE_INVALID: return "MODE_INVALID";
case AudioManager.MODE_CURRENT: return "MODE_CURRENT";
case AudioManager.MODE_NORMAL: return "MODE_NORMAL";
case AudioManager.MODE_RINGTONE: return "MODE_RINGTONE";
case AudioManager.MODE_IN_CALL: return "MODE_IN_CALL";
default: return String.valueOf(mode);
}
}
/**
* Handles the wired headset button while in-call.
*
* This is called from the PhoneApp, not from the InCallScreen,
* since the HEADSETHOOK button means "mute or unmute the current
* call" *any* time a call is active, even if the user isn't actually
* on the in-call screen.
*
* @return true if we consumed the event.
*/
/* package */ static boolean handleHeadsetHook(Phone phone, KeyEvent event) {
if (DBG) log("handleHeadsetHook()..." + event.getAction() + " " + event.getRepeatCount());
final PhoneApp app = PhoneApp.getInstance();
// If the phone is totally idle, we ignore HEADSETHOOK events
// (and instead let them fall through to the media player.)
if (phone.getState() == Phone.State.IDLE) {
return false;
}
// Ok, the phone is in use.
// The headset button button means "Answer" if an incoming call is
// ringing. If not, it toggles the mute / unmute state.
//
// And in any case we *always* consume this event; this means
// that the usual mediaplayer-related behavior of the headset
// button will NEVER happen while the user is on a call.
final boolean hasRingingCall = !phone.getRingingCall().isIdle();
final boolean hasActiveCall = !phone.getForegroundCall().isIdle();
final boolean hasHoldingCall = !phone.getBackgroundCall().isIdle();
if (hasRingingCall &&
event.getRepeatCount() == 0 &&
event.getAction() == KeyEvent.ACTION_UP) {
// If an incoming call is ringing, answer it (just like with the
// CALL button):
int phoneType = phone.getPhoneType();
if (phoneType == Phone.PHONE_TYPE_CDMA) {
answerCall(phone.getRingingCall());
} else if ((phoneType == Phone.PHONE_TYPE_GSM)
|| (phoneType == Phone.PHONE_TYPE_SIP)) {
if (hasActiveCall && hasHoldingCall) {
if (DBG) log("handleHeadsetHook: ringing (both lines in use) ==> answer!");
answerAndEndActive(app.mCM, phone.getRingingCall());
} else {
if (DBG) log("handleHeadsetHook: ringing ==> answer!");
// answerCall() will automatically hold the current
// active call, if there is one.
answerCall(phone.getRingingCall());
}
} else {
throw new IllegalStateException("Unexpected phone type: " + phoneType);
}
} else {
// No incoming ringing call.
if (event.isLongPress()) {
if (DBG) log("handleHeadsetHook: longpress -> hangup");
hangup(app.mCM);
}
else if (event.getAction() == KeyEvent.ACTION_UP &&
event.getRepeatCount() == 0) {
Connection c = phone.getForegroundCall().getLatestConnection();
// If it is NOT an emg #, toggle the mute state. Otherwise, ignore the hook.
if (c != null && !PhoneNumberUtils.isLocalEmergencyNumber(c.getAddress(),
PhoneApp.getInstance())) {
if (getMute()) {
if (DBG) log("handleHeadsetHook: UNmuting...");
setMute(false);
} else {
if (DBG) log("handleHeadsetHook: muting...");
setMute(true);
}
}
}
}
// Even if the InCallScreen is the current activity, there's no
// need to force it to update, because (1) if we answered a
// ringing call, the InCallScreen will imminently get a phone
// state change event (causing an update), and (2) if we muted or
// unmuted, the setMute() call automagically updates the status
// bar, and there's no "mute" indication in the InCallScreen
// itself (other than the menu item, which only ever stays
// onscreen for a second anyway.)
// TODO: (2) isn't entirely true anymore. Once we return our result
// to the PhoneApp, we ask InCallScreen to update its control widgets
// in case we changed mute or speaker state and phones with touch-
// screen [toggle] buttons need to update themselves.
return true;
}
/**
* Look for ANY connections on the phone that qualify as being
* disconnected.
*
* @return true if we find a connection that is disconnected over
* all the phone's call objects.
*/
/* package */ static boolean hasDisconnectedConnections(Phone phone) {
return hasDisconnectedConnections(phone.getForegroundCall()) ||
hasDisconnectedConnections(phone.getBackgroundCall()) ||
hasDisconnectedConnections(phone.getRingingCall());
}
/**
* Iterate over all connections in a call to see if there are any
* that are not alive (disconnected or idle).
*
* @return true if we find a connection that is disconnected, and
* pending removal via
* {@link com.android.internal.telephony.gsm.GsmCall#clearDisconnected()}.
*/
private static final boolean hasDisconnectedConnections(Call call) {
// look through all connections for non-active ones.
for (Connection c : call.getConnections()) {
if (!c.isAlive()) {
return true;
}
}
return false;
}
//
// Misc UI policy helper functions
//
/**
* @return true if we're allowed to swap calls, given the current
* state of the Phone.
*/
/* package */ static boolean okToSwapCalls(CallManager cm) {
int phoneType = cm.getDefaultPhone().getPhoneType();
if (phoneType == Phone.PHONE_TYPE_CDMA) {
// CDMA: "Swap" is enabled only when the phone reaches a *generic*.
// state by either accepting a Call Waiting or by merging two calls
PhoneApp app = PhoneApp.getInstance();
return (app.cdmaPhoneCallState.getCurrentCallState()
== CdmaPhoneCallState.PhoneCallState.CONF_CALL);
} else if ((phoneType == Phone.PHONE_TYPE_GSM)
|| (phoneType == Phone.PHONE_TYPE_SIP)) {
// GSM: "Swap" is available if both lines are in use and there's no
// incoming call. (Actually we need to verify that the active
// call really is in the ACTIVE state and the holding call really
// is in the HOLDING state, since you *can't* actually swap calls
// when the foreground call is DIALING or ALERTING.)
return !cm.hasActiveRingingCall()
&& (cm.getActiveFgCall().getState() == Call.State.ACTIVE)
&& (cm.getFirstActiveBgCall().getState() == Call.State.HOLDING);
} else {
throw new IllegalStateException("Unexpected phone type: " + phoneType);
}
}
/**
* @return true if we're allowed to merge calls, given the current
* state of the Phone.
*/
/* package */ static boolean okToMergeCalls(CallManager cm) {
int phoneType = cm.getFgPhone().getPhoneType();
if (phoneType == Phone.PHONE_TYPE_CDMA) {
// CDMA: "Merge" is enabled only when the user is in a 3Way call.
PhoneApp app = PhoneApp.getInstance();
return ((app.cdmaPhoneCallState.getCurrentCallState()
== CdmaPhoneCallState.PhoneCallState.THRWAY_ACTIVE)
&& !app.cdmaPhoneCallState.IsThreeWayCallOrigStateDialing());
} else {
// GSM: "Merge" is available if both lines are in use and there's no
// incoming call, *and* the current conference isn't already
// "full".
// TODO: shall move all okToMerge logic to CallManager
return !cm.hasActiveRingingCall() && cm.hasActiveFgCall()
&& cm.hasActiveBgCall()
&& cm.canConference(cm.getFirstActiveBgCall());
}
}
/**
* @return true if the UI should let you add a new call, given the current
* state of the Phone.
*/
/* package */ static boolean okToAddCall(CallManager cm) {
Phone phone = cm.getActiveFgCall().getPhone();
// "Add call" is never allowed in emergency callback mode (ECM).
if (isPhoneInEcm(phone)) {
return false;
}
int phoneType = phone.getPhoneType();
final Call.State fgCallState = cm.getActiveFgCall().getState();
if (phoneType == Phone.PHONE_TYPE_CDMA) {
// CDMA: "Add call" button is only enabled when:
// - ForegroundCall is in ACTIVE state
// - After 30 seconds of user Ignoring/Missing a Call Waiting call.
PhoneApp app = PhoneApp.getInstance();
return ((fgCallState == Call.State.ACTIVE)
&& (app.cdmaPhoneCallState.getAddCallMenuStateAfterCallWaiting()));
} else if ((phoneType == Phone.PHONE_TYPE_GSM)
|| (phoneType == Phone.PHONE_TYPE_SIP)) {
// GSM: "Add call" is available only if ALL of the following are true:
// - There's no incoming ringing call
// - There's < 2 lines in use
// - The foreground call is ACTIVE or IDLE or DISCONNECTED.
// (We mainly need to make sure it *isn't* DIALING or ALERTING.)
final boolean hasRingingCall = cm.hasActiveRingingCall();
final boolean hasActiveCall = cm.hasActiveFgCall();
final boolean hasHoldingCall = cm.hasActiveBgCall();
final boolean allLinesTaken = hasActiveCall && hasHoldingCall;
return !hasRingingCall
&& !allLinesTaken
&& ((fgCallState == Call.State.ACTIVE)
|| (fgCallState == Call.State.IDLE)
|| (fgCallState == Call.State.DISCONNECTED));
} else {
throw new IllegalStateException("Unexpected phone type: " + phoneType);
}
}
/**
* Based on the input CNAP number string,
* @return _RESTRICTED or _UNKNOWN for all the special CNAP strings.
* Otherwise, return CNAP_SPECIAL_CASE_NO.
*/
private static int checkCnapSpecialCases(String n) {
if (n.equals("PRIVATE") ||
n.equals("P") ||
n.equals("RES")) {
if (DBG) log("checkCnapSpecialCases, PRIVATE string: " + n);
return Connection.PRESENTATION_RESTRICTED;
} else if (n.equals("UNAVAILABLE") ||
n.equals("UNKNOWN") ||
n.equals("UNA") ||
n.equals("U")) {
if (DBG) log("checkCnapSpecialCases, UNKNOWN string: " + n);
return Connection.PRESENTATION_UNKNOWN;
} else {
if (DBG) log("checkCnapSpecialCases, normal str. number: " + n);
return CNAP_SPECIAL_CASE_NO;
}
}
/**
* Handles certain "corner cases" for CNAP. When we receive weird phone numbers
* from the network to indicate different number presentations, convert them to
* expected number and presentation values within the CallerInfo object.
* @param number number we use to verify if we are in a corner case
* @param presentation presentation value used to verify if we are in a corner case
* @return the new String that should be used for the phone number
*/
/* package */ static String modifyForSpecialCnapCases(Context context, CallerInfo ci,
String number, int presentation) {
// Obviously we return number if ci == null, but still return number if
// number == null, because in these cases the correct string will still be
// displayed/logged after this function returns based on the presentation value.
if (ci == null || number == null) return number;
if (DBG) {
log("modifyForSpecialCnapCases: initially, number="
+ toLogSafePhoneNumber(number)
+ ", presentation=" + presentation + " ci " + ci);
}
// "ABSENT NUMBER" is a possible value we could get from the network as the
// phone number, so if this happens, change it to "Unknown" in the CallerInfo
// and fix the presentation to be the same.
if (number.equals(context.getString(R.string.absent_num))
&& presentation == Connection.PRESENTATION_ALLOWED) {
number = context.getString(R.string.unknown);
ci.numberPresentation = Connection.PRESENTATION_UNKNOWN;
}
// Check for other special "corner cases" for CNAP and fix them similarly. Corner
// cases only apply if we received an allowed presentation from the network, so check
// if we think we have an allowed presentation, or if the CallerInfo presentation doesn't
// match the presentation passed in for verification (meaning we changed it previously
// because it's a corner case and we're being called from a different entry point).
if (ci.numberPresentation == Connection.PRESENTATION_ALLOWED
|| (ci.numberPresentation != presentation
&& presentation == Connection.PRESENTATION_ALLOWED)) {
int cnapSpecialCase = checkCnapSpecialCases(number);
if (cnapSpecialCase != CNAP_SPECIAL_CASE_NO) {
// For all special strings, change number & numberPresentation.
if (cnapSpecialCase == Connection.PRESENTATION_RESTRICTED) {
number = context.getString(R.string.private_num);
} else if (cnapSpecialCase == Connection.PRESENTATION_UNKNOWN) {
number = context.getString(R.string.unknown);
}
if (DBG) {
log("SpecialCnap: number=" + toLogSafePhoneNumber(number)
+ "; presentation now=" + cnapSpecialCase);
}
ci.numberPresentation = cnapSpecialCase;
}
}
if (DBG) {
log("modifyForSpecialCnapCases: returning number string="
+ toLogSafePhoneNumber(number));
}
return number;
}
//
// Support for 3rd party phone service providers.
//
/**
* Check if all the provider's info is present in the intent.
* @param intent Expected to have the provider's extra.
* @return true if the intent has all the extras to build the
* in-call screen's provider info overlay.
*/
/* package */ static boolean hasPhoneProviderExtras(Intent intent) {
if (null == intent) {
return false;
}
final String name = intent.getStringExtra(InCallScreen.EXTRA_GATEWAY_PROVIDER_PACKAGE);
final String gatewayUri = intent.getStringExtra(InCallScreen.EXTRA_GATEWAY_URI);
return !TextUtils.isEmpty(name) && !TextUtils.isEmpty(gatewayUri);
}
/**
* Copy all the expected extras set when a 3rd party provider is
* used from the source intent to the destination one. Checks all
* the required extras are present, if any is missing, none will
* be copied.
* @param src Intent which may contain the provider's extras.
* @param dst Intent where a copy of the extras will be added if applicable.
*/
/* package */ static void checkAndCopyPhoneProviderExtras(Intent src, Intent dst) {
if (!hasPhoneProviderExtras(src)) {
Log.d(LOG_TAG, "checkAndCopyPhoneProviderExtras: some or all extras are missing.");
return;
}
dst.putExtra(InCallScreen.EXTRA_GATEWAY_PROVIDER_PACKAGE,
src.getStringExtra(InCallScreen.EXTRA_GATEWAY_PROVIDER_PACKAGE));
dst.putExtra(InCallScreen.EXTRA_GATEWAY_URI,
src.getStringExtra(InCallScreen.EXTRA_GATEWAY_URI));
}
/**
* Get the provider's label from the intent.
* @param context to lookup the provider's package name.
* @param intent with an extra set to the provider's package name.
* @return The provider's application label. null if an error
* occurred during the lookup of the package name or the label.
*/
/* package */ static CharSequence getProviderLabel(Context context, Intent intent) {
String packageName = intent.getStringExtra(InCallScreen.EXTRA_GATEWAY_PROVIDER_PACKAGE);
PackageManager pm = context.getPackageManager();
try {
ApplicationInfo info = pm.getApplicationInfo(packageName, 0);
return pm.getApplicationLabel(info);
} catch (PackageManager.NameNotFoundException e) {
return null;
}
}
/**
* Get the provider's icon.
* @param context to lookup the provider's icon.
* @param intent with an extra set to the provider's package name.
* @return The provider's application icon. null if an error occured during the icon lookup.
*/
/* package */ static Drawable getProviderIcon(Context context, Intent intent) {
String packageName = intent.getStringExtra(InCallScreen.EXTRA_GATEWAY_PROVIDER_PACKAGE);
PackageManager pm = context.getPackageManager();
try {
return pm.getApplicationIcon(packageName);
} catch (PackageManager.NameNotFoundException e) {
return null;
}
}
/**
* Return the gateway uri from the intent.
* @param intent With the gateway uri extra.
* @return The gateway URI or null if not found.
*/
/* package */ static Uri getProviderGatewayUri(Intent intent) {
String uri = intent.getStringExtra(InCallScreen.EXTRA_GATEWAY_URI);
return TextUtils.isEmpty(uri) ? null : Uri.parse(uri);
}
/**
* Return a formatted version of the uri's scheme specific
* part. E.g for 'tel:12345678', return '1-234-5678'.
* @param uri A 'tel:' URI with the gateway phone number.
* @return the provider's address (from the gateway uri) formatted
* for user display. null if uri was null or its scheme was not 'tel:'.
*/
/* package */ static String formatProviderUri(Uri uri) {
if (null != uri) {
if (Constants.SCHEME_TEL.equals(uri.getScheme())) {
return PhoneNumberUtils.formatNumber(uri.getSchemeSpecificPart());
} else {
return uri.toString();
}
}
return null;
}
/**
* Check if a phone number can be route through a 3rd party
* gateway. The number must be a global phone number in numerical
* form (1-800-666-SEXY won't work).
*
* MMI codes and the like cannot be used as a dial number for the
* gateway either.
*
* @param number To be dialed via a 3rd party gateway.
* @return true If the number can be routed through the 3rd party network.
*/
/* package */ static boolean isRoutableViaGateway(String number) {
if (TextUtils.isEmpty(number)) {
return false;
}
number = PhoneNumberUtils.stripSeparators(number);
if (!number.equals(PhoneNumberUtils.convertKeypadLettersToDigits(number))) {
return false;
}
number = PhoneNumberUtils.extractNetworkPortion(number);
return PhoneNumberUtils.isGlobalPhoneNumber(number);
}
/**
* This function is called when phone answers or places a call.
* Check if the phone is in a car dock or desk dock.
* If yes, turn on the speaker, when no wired or BT headsets are connected.
* Otherwise do nothing.
* @return true if activated
*/
private static boolean activateSpeakerIfDocked(Phone phone) {
if (DBG) log("activateSpeakerIfDocked()...");
boolean activated = false;
if (PhoneApp.mDockState != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
if (DBG) log("activateSpeakerIfDocked(): In a dock -> may need to turn on speaker.");
PhoneApp app = PhoneApp.getInstance();
BluetoothHandsfree bthf = app.getBluetoothHandsfree();
if (!app.isHeadsetPlugged() && !(bthf != null && bthf.isAudioOn())) {
turnOnSpeaker(phone.getContext(), true, true);
activated = true;
}
}
return activated;
}
/**
* Returns whether the phone is in ECM ("Emergency Callback Mode") or not.
*/
/* package */ static boolean isPhoneInEcm(Phone phone) {
if ((phone != null) && TelephonyCapabilities.supportsEcm(phone)) {
// For phones that support ECM, return true iff PROPERTY_INECM_MODE == "true".
// TODO: There ought to be a better API for this than just
// exposing a system property all the way up to the app layer,
// probably a method like "inEcm()" provided by the telephony
// layer.
String ecmMode =
SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE);
if (ecmMode != null) {
return ecmMode.equals("true");
}
}
return false;
}
/**
* Returns the most appropriate Phone object to handle a call
* to the specified number.
*
* @param cm the CallManager.
* @param scheme the scheme from the data URI that the number originally came from.
* @param number the phone number, or SIP address.
*/
public static Phone pickPhoneBasedOnNumber(CallManager cm,
String scheme, String number, String primarySipUri) {
if (DBG) {
log("pickPhoneBasedOnNumber: scheme " + scheme
+ ", number " + toLogSafePhoneNumber(number)
+ ", sipUri "
+ (primarySipUri != null ? Uri.parse(primarySipUri).toSafeString() : "null"));
}
if (primarySipUri != null) {
Phone phone = getSipPhoneFromUri(cm, primarySipUri);
if (phone != null) return phone;
}
return cm.getDefaultPhone();
}
public static Phone getSipPhoneFromUri(CallManager cm, String target) {
for (Phone phone : cm.getAllPhones()) {
if (phone.getPhoneType() == Phone.PHONE_TYPE_SIP) {
String sipUri = ((SipPhone) phone).getSipUri();
if (target.equals(sipUri)) {
if (DBG) log("- pickPhoneBasedOnNumber:" +
"found SipPhone! obj = " + phone + ", "
+ phone.getClass());
return phone;
}
}
}
return null;
}
/**
* Returns true when the given call is in INCOMING state and there's no foreground phone call,
* meaning the call is the first real incoming call the phone is having.
*/
public static boolean isRealIncomingCall(Call.State state) {
return (state == Call.State.INCOMING && !PhoneApp.getInstance().mCM.hasActiveFgCall());
}
private static boolean sVoipSupported = false;
static {
PhoneApp app = PhoneApp.getInstance();
sVoipSupported = SipManager.isVoipSupported(app)
&& app.getResources().getBoolean(com.android.internal.R.bool.config_built_in_sip_phone)
&& app.getResources().getBoolean(com.android.internal.R.bool.config_voice_capable);
}
/**
* @return true if this device supports voice calls using the built-in SIP stack.
*/
static boolean isVoipSupported() {
return sVoipSupported;
}
/**
* On GSM devices, we never use short tones.
* On CDMA devices, it depends upon the settings.
*/
public static boolean useShortDtmfTones(Phone phone, Context context) {
int phoneType = phone.getPhoneType();
if (phoneType == Phone.PHONE_TYPE_GSM) {
return false;
} else if (phoneType == Phone.PHONE_TYPE_CDMA) {
int toneType = android.provider.Settings.System.getInt(