|  | /* | 
|  | * Copyright (C) 2014 The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | * you may not use this file except in compliance with the License. | 
|  | * You may obtain a copy of the License at | 
|  | * | 
|  | *      http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | package android.telecom; | 
|  |  | 
|  | import android.annotation.SystemApi; | 
|  | import android.annotation.SdkConstant; | 
|  | import android.app.Service; | 
|  | import android.content.ComponentName; | 
|  | import android.content.Intent; | 
|  | import android.net.Uri; | 
|  | import android.os.Handler; | 
|  | import android.os.IBinder; | 
|  | import android.os.Looper; | 
|  | import android.os.Message; | 
|  |  | 
|  | import com.android.internal.os.SomeArgs; | 
|  | import com.android.internal.telecom.IConnectionService; | 
|  | import com.android.internal.telecom.IConnectionServiceAdapter; | 
|  | import com.android.internal.telecom.RemoteServiceCallback; | 
|  |  | 
|  | import java.util.ArrayList; | 
|  | import java.util.Collection; | 
|  | import java.util.Collections; | 
|  | import java.util.List; | 
|  | import java.util.Map; | 
|  | import java.util.UUID; | 
|  | import java.util.concurrent.ConcurrentHashMap; | 
|  |  | 
|  | /** | 
|  | * A {@link android.app.Service} that provides telephone connections to processes running on an | 
|  | * Android device. | 
|  | * @hide | 
|  | */ | 
|  | @SystemApi | 
|  | public abstract class ConnectionService extends Service { | 
|  | /** | 
|  | * The {@link Intent} that must be declared as handled by the service. | 
|  | */ | 
|  | @SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION) | 
|  | public static final String SERVICE_INTERFACE = "android.telecom.ConnectionService"; | 
|  |  | 
|  | // Flag controlling whether PII is emitted into the logs | 
|  | private static final boolean PII_DEBUG = Log.isLoggable(android.util.Log.DEBUG); | 
|  |  | 
|  | private static final int MSG_ADD_CONNECTION_SERVICE_ADAPTER = 1; | 
|  | private static final int MSG_CREATE_CONNECTION = 2; | 
|  | private static final int MSG_ABORT = 3; | 
|  | private static final int MSG_ANSWER = 4; | 
|  | private static final int MSG_REJECT = 5; | 
|  | private static final int MSG_DISCONNECT = 6; | 
|  | private static final int MSG_HOLD = 7; | 
|  | private static final int MSG_UNHOLD = 8; | 
|  | private static final int MSG_ON_AUDIO_STATE_CHANGED = 9; | 
|  | private static final int MSG_PLAY_DTMF_TONE = 10; | 
|  | private static final int MSG_STOP_DTMF_TONE = 11; | 
|  | private static final int MSG_CONFERENCE = 12; | 
|  | private static final int MSG_SPLIT_FROM_CONFERENCE = 13; | 
|  | private static final int MSG_ON_POST_DIAL_CONTINUE = 14; | 
|  | private static final int MSG_REMOVE_CONNECTION_SERVICE_ADAPTER = 16; | 
|  | private static final int MSG_ANSWER_VIDEO = 17; | 
|  | private static final int MSG_MERGE_CONFERENCE = 18; | 
|  | private static final int MSG_SWAP_CONFERENCE = 19; | 
|  |  | 
|  | private static Connection sNullConnection; | 
|  |  | 
|  | private final Map<String, Connection> mConnectionById = new ConcurrentHashMap<>(); | 
|  | private final Map<Connection, String> mIdByConnection = new ConcurrentHashMap<>(); | 
|  | private final Map<String, Conference> mConferenceById = new ConcurrentHashMap<>(); | 
|  | private final Map<Conference, String> mIdByConference = new ConcurrentHashMap<>(); | 
|  | private final RemoteConnectionManager mRemoteConnectionManager = | 
|  | new RemoteConnectionManager(this); | 
|  | private final List<Runnable> mPreInitializationConnectionRequests = new ArrayList<>(); | 
|  | private final ConnectionServiceAdapter mAdapter = new ConnectionServiceAdapter(); | 
|  |  | 
|  | private boolean mAreAccountsInitialized = false; | 
|  | private Conference sNullConference; | 
|  |  | 
|  | private final IBinder mBinder = new IConnectionService.Stub() { | 
|  | @Override | 
|  | public void addConnectionServiceAdapter(IConnectionServiceAdapter adapter) { | 
|  | mHandler.obtainMessage(MSG_ADD_CONNECTION_SERVICE_ADAPTER, adapter).sendToTarget(); | 
|  | } | 
|  |  | 
|  | public void removeConnectionServiceAdapter(IConnectionServiceAdapter adapter) { | 
|  | mHandler.obtainMessage(MSG_REMOVE_CONNECTION_SERVICE_ADAPTER, adapter).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void createConnection( | 
|  | PhoneAccountHandle connectionManagerPhoneAccount, | 
|  | String id, | 
|  | ConnectionRequest request, | 
|  | boolean isIncoming) { | 
|  | SomeArgs args = SomeArgs.obtain(); | 
|  | args.arg1 = connectionManagerPhoneAccount; | 
|  | args.arg2 = id; | 
|  | args.arg3 = request; | 
|  | args.argi1 = isIncoming ? 1 : 0; | 
|  | mHandler.obtainMessage(MSG_CREATE_CONNECTION, args).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void abort(String callId) { | 
|  | mHandler.obtainMessage(MSG_ABORT, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | /** @hide */ | 
|  | public void answerVideo(String callId, int videoState) { | 
|  | SomeArgs args = SomeArgs.obtain(); | 
|  | args.arg1 = callId; | 
|  | args.argi1 = videoState; | 
|  | mHandler.obtainMessage(MSG_ANSWER_VIDEO, args).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void answer(String callId) { | 
|  | mHandler.obtainMessage(MSG_ANSWER, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void reject(String callId) { | 
|  | mHandler.obtainMessage(MSG_REJECT, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void disconnect(String callId) { | 
|  | mHandler.obtainMessage(MSG_DISCONNECT, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void hold(String callId) { | 
|  | mHandler.obtainMessage(MSG_HOLD, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void unhold(String callId) { | 
|  | mHandler.obtainMessage(MSG_UNHOLD, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onAudioStateChanged(String callId, AudioState audioState) { | 
|  | SomeArgs args = SomeArgs.obtain(); | 
|  | args.arg1 = callId; | 
|  | args.arg2 = audioState; | 
|  | mHandler.obtainMessage(MSG_ON_AUDIO_STATE_CHANGED, args).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void playDtmfTone(String callId, char digit) { | 
|  | mHandler.obtainMessage(MSG_PLAY_DTMF_TONE, digit, 0, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void stopDtmfTone(String callId) { | 
|  | mHandler.obtainMessage(MSG_STOP_DTMF_TONE, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void conference(String callId1, String callId2) { | 
|  | SomeArgs args = SomeArgs.obtain(); | 
|  | args.arg1 = callId1; | 
|  | args.arg2 = callId2; | 
|  | mHandler.obtainMessage(MSG_CONFERENCE, args).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void splitFromConference(String callId) { | 
|  | mHandler.obtainMessage(MSG_SPLIT_FROM_CONFERENCE, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void mergeConference(String callId) { | 
|  | mHandler.obtainMessage(MSG_MERGE_CONFERENCE, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void swapConference(String callId) { | 
|  | mHandler.obtainMessage(MSG_SWAP_CONFERENCE, callId).sendToTarget(); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onPostDialContinue(String callId, boolean proceed) { | 
|  | SomeArgs args = SomeArgs.obtain(); | 
|  | args.arg1 = callId; | 
|  | args.argi1 = proceed ? 1 : 0; | 
|  | mHandler.obtainMessage(MSG_ON_POST_DIAL_CONTINUE, args).sendToTarget(); | 
|  | } | 
|  | }; | 
|  |  | 
|  | private final Handler mHandler = new Handler(Looper.getMainLooper()) { | 
|  | @Override | 
|  | public void handleMessage(Message msg) { | 
|  | switch (msg.what) { | 
|  | case MSG_ADD_CONNECTION_SERVICE_ADAPTER: | 
|  | mAdapter.addAdapter((IConnectionServiceAdapter) msg.obj); | 
|  | onAdapterAttached(); | 
|  | break; | 
|  | case MSG_REMOVE_CONNECTION_SERVICE_ADAPTER: | 
|  | mAdapter.removeAdapter((IConnectionServiceAdapter) msg.obj); | 
|  | break; | 
|  | case MSG_CREATE_CONNECTION: { | 
|  | SomeArgs args = (SomeArgs) msg.obj; | 
|  | try { | 
|  | final PhoneAccountHandle connectionManagerPhoneAccount = | 
|  | (PhoneAccountHandle) args.arg1; | 
|  | final String id = (String) args.arg2; | 
|  | final ConnectionRequest request = (ConnectionRequest) args.arg3; | 
|  | final boolean isIncoming = args.argi1 == 1; | 
|  | if (!mAreAccountsInitialized) { | 
|  | Log.d(this, "Enqueueing pre-init request %s", id); | 
|  | mPreInitializationConnectionRequests.add(new Runnable() { | 
|  | @Override | 
|  | public void run() { | 
|  | createConnection( | 
|  | connectionManagerPhoneAccount, | 
|  | id, | 
|  | request, | 
|  | isIncoming); | 
|  | } | 
|  | }); | 
|  | } else { | 
|  | createConnection( | 
|  | connectionManagerPhoneAccount, | 
|  | id, | 
|  | request, | 
|  | isIncoming); | 
|  | } | 
|  | } finally { | 
|  | args.recycle(); | 
|  | } | 
|  | break; | 
|  | } | 
|  | case MSG_ABORT: | 
|  | abort((String) msg.obj); | 
|  | break; | 
|  | case MSG_ANSWER: | 
|  | answer((String) msg.obj); | 
|  | break; | 
|  | case MSG_ANSWER_VIDEO: { | 
|  | SomeArgs args = (SomeArgs) msg.obj; | 
|  | try { | 
|  | String callId = (String) args.arg1; | 
|  | int videoState = args.argi1; | 
|  | answerVideo(callId, videoState); | 
|  | } finally { | 
|  | args.recycle(); | 
|  | } | 
|  | break; | 
|  | } | 
|  | case MSG_REJECT: | 
|  | reject((String) msg.obj); | 
|  | break; | 
|  | case MSG_DISCONNECT: | 
|  | disconnect((String) msg.obj); | 
|  | break; | 
|  | case MSG_HOLD: | 
|  | hold((String) msg.obj); | 
|  | break; | 
|  | case MSG_UNHOLD: | 
|  | unhold((String) msg.obj); | 
|  | break; | 
|  | case MSG_ON_AUDIO_STATE_CHANGED: { | 
|  | SomeArgs args = (SomeArgs) msg.obj; | 
|  | try { | 
|  | String callId = (String) args.arg1; | 
|  | AudioState audioState = (AudioState) args.arg2; | 
|  | onAudioStateChanged(callId, audioState); | 
|  | } finally { | 
|  | args.recycle(); | 
|  | } | 
|  | break; | 
|  | } | 
|  | case MSG_PLAY_DTMF_TONE: | 
|  | playDtmfTone((String) msg.obj, (char) msg.arg1); | 
|  | break; | 
|  | case MSG_STOP_DTMF_TONE: | 
|  | stopDtmfTone((String) msg.obj); | 
|  | break; | 
|  | case MSG_CONFERENCE: { | 
|  | SomeArgs args = (SomeArgs) msg.obj; | 
|  | try { | 
|  | String callId1 = (String) args.arg1; | 
|  | String callId2 = (String) args.arg2; | 
|  | conference(callId1, callId2); | 
|  | } finally { | 
|  | args.recycle(); | 
|  | } | 
|  | break; | 
|  | } | 
|  | case MSG_SPLIT_FROM_CONFERENCE: | 
|  | splitFromConference((String) msg.obj); | 
|  | break; | 
|  | case MSG_MERGE_CONFERENCE: | 
|  | mergeConference((String) msg.obj); | 
|  | break; | 
|  | case MSG_SWAP_CONFERENCE: | 
|  | swapConference((String) msg.obj); | 
|  | break; | 
|  | case MSG_ON_POST_DIAL_CONTINUE: { | 
|  | SomeArgs args = (SomeArgs) msg.obj; | 
|  | try { | 
|  | String callId = (String) args.arg1; | 
|  | boolean proceed = (args.argi1 == 1); | 
|  | onPostDialContinue(callId, proceed); | 
|  | } finally { | 
|  | args.recycle(); | 
|  | } | 
|  | break; | 
|  | } | 
|  | default: | 
|  | break; | 
|  | } | 
|  | } | 
|  | }; | 
|  |  | 
|  | private final Conference.Listener mConferenceListener = new Conference.Listener() { | 
|  | @Override | 
|  | public void onStateChanged(Conference conference, int oldState, int newState) { | 
|  | String id = mIdByConference.get(conference); | 
|  | switch (newState) { | 
|  | case Connection.STATE_ACTIVE: | 
|  | mAdapter.setActive(id); | 
|  | break; | 
|  | case Connection.STATE_HOLDING: | 
|  | mAdapter.setOnHold(id); | 
|  | break; | 
|  | case Connection.STATE_DISCONNECTED: | 
|  | // handled by onDisconnected | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onDisconnected(Conference conference, DisconnectCause disconnectCause) { | 
|  | String id = mIdByConference.get(conference); | 
|  | mAdapter.setDisconnected(id, disconnectCause); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onConnectionAdded(Conference conference, Connection connection) { | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onConnectionRemoved(Conference conference, Connection connection) { | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onConferenceableConnectionsChanged( | 
|  | Conference conference, List<Connection> conferenceableConnections) { | 
|  | mAdapter.setConferenceableConnections( | 
|  | mIdByConference.get(conference), | 
|  | createConnectionIdList(conferenceableConnections)); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onDestroyed(Conference conference) { | 
|  | removeConference(conference); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onCapabilitiesChanged(Conference conference, int capabilities) { | 
|  | String id = mIdByConference.get(conference); | 
|  | Log.d(this, "call capabilities: conference: %s", | 
|  | PhoneCapabilities.toString(capabilities)); | 
|  | mAdapter.setCallCapabilities(id, capabilities); | 
|  | } | 
|  | }; | 
|  |  | 
|  | private final Connection.Listener mConnectionListener = new Connection.Listener() { | 
|  | @Override | 
|  | public void onStateChanged(Connection c, int state) { | 
|  | String id = mIdByConnection.get(c); | 
|  | Log.d(this, "Adapter set state %s %s", id, Connection.stateToString(state)); | 
|  | switch (state) { | 
|  | case Connection.STATE_ACTIVE: | 
|  | mAdapter.setActive(id); | 
|  | break; | 
|  | case Connection.STATE_DIALING: | 
|  | mAdapter.setDialing(id); | 
|  | break; | 
|  | case Connection.STATE_DISCONNECTED: | 
|  | // Handled in onDisconnected() | 
|  | break; | 
|  | case Connection.STATE_HOLDING: | 
|  | mAdapter.setOnHold(id); | 
|  | break; | 
|  | case Connection.STATE_NEW: | 
|  | // Nothing to tell Telecom | 
|  | break; | 
|  | case Connection.STATE_RINGING: | 
|  | mAdapter.setRinging(id); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onDisconnected(Connection c, DisconnectCause disconnectCause) { | 
|  | String id = mIdByConnection.get(c); | 
|  | Log.d(this, "Adapter set disconnected %s", disconnectCause); | 
|  | mAdapter.setDisconnected(id, disconnectCause); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onVideoStateChanged(Connection c, int videoState) { | 
|  | String id = mIdByConnection.get(c); | 
|  | Log.d(this, "Adapter set video state %d", videoState); | 
|  | mAdapter.setVideoState(id, videoState); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onAddressChanged(Connection c, Uri address, int presentation) { | 
|  | String id = mIdByConnection.get(c); | 
|  | mAdapter.setAddress(id, address, presentation); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onCallerDisplayNameChanged( | 
|  | Connection c, String callerDisplayName, int presentation) { | 
|  | String id = mIdByConnection.get(c); | 
|  | mAdapter.setCallerDisplayName(id, callerDisplayName, presentation); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onDestroyed(Connection c) { | 
|  | removeConnection(c); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onPostDialWait(Connection c, String remaining) { | 
|  | String id = mIdByConnection.get(c); | 
|  | Log.d(this, "Adapter onPostDialWait %s, %s", c, remaining); | 
|  | mAdapter.onPostDialWait(id, remaining); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onRingbackRequested(Connection c, boolean ringback) { | 
|  | String id = mIdByConnection.get(c); | 
|  | Log.d(this, "Adapter onRingback %b", ringback); | 
|  | mAdapter.setRingbackRequested(id, ringback); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onCallCapabilitiesChanged(Connection c, int capabilities) { | 
|  | String id = mIdByConnection.get(c); | 
|  | Log.d(this, "capabilities: parcelableconnection: %s", | 
|  | PhoneCapabilities.toString(capabilities)); | 
|  | mAdapter.setCallCapabilities(id, capabilities); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onVideoProviderChanged(Connection c, Connection.VideoProvider videoProvider) { | 
|  | String id = mIdByConnection.get(c); | 
|  | mAdapter.setVideoProvider(id, videoProvider); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onAudioModeIsVoipChanged(Connection c, boolean isVoip) { | 
|  | String id = mIdByConnection.get(c); | 
|  | mAdapter.setIsVoipAudioMode(id, isVoip); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onStatusHintsChanged(Connection c, StatusHints statusHints) { | 
|  | String id = mIdByConnection.get(c); | 
|  | mAdapter.setStatusHints(id, statusHints); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onConferenceableConnectionsChanged( | 
|  | Connection connection, List<Connection> conferenceableConnections) { | 
|  | mAdapter.setConferenceableConnections( | 
|  | mIdByConnection.get(connection), | 
|  | createConnectionIdList(conferenceableConnections)); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onConferenceChanged(Connection connection, Conference conference) { | 
|  | String id = mIdByConnection.get(connection); | 
|  | if (id != null) { | 
|  | String conferenceId = null; | 
|  | if (conference != null) { | 
|  | conferenceId = mIdByConference.get(conference); | 
|  | } | 
|  | mAdapter.setIsConferenced(id, conferenceId); | 
|  | } | 
|  | } | 
|  | }; | 
|  |  | 
|  | /** {@inheritDoc} */ | 
|  | @Override | 
|  | public final IBinder onBind(Intent intent) { | 
|  | return mBinder; | 
|  | } | 
|  |  | 
|  | /** {@inheritDoc} */ | 
|  | @Override | 
|  | public boolean onUnbind(Intent intent) { | 
|  | endAllConnections(); | 
|  | return super.onUnbind(intent); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * This can be used by telecom to either create a new outgoing call or attach to an existing | 
|  | * incoming call. In either case, telecom will cycle through a set of services and call | 
|  | * createConnection util a connection service cancels the process or completes it successfully. | 
|  | */ | 
|  | private void createConnection( | 
|  | final PhoneAccountHandle callManagerAccount, | 
|  | final String callId, | 
|  | final ConnectionRequest request, | 
|  | boolean isIncoming) { | 
|  | Log.d(this, "createConnection, callManagerAccount: %s, callId: %s, request: %s, " + | 
|  | "isIncoming: %b", callManagerAccount, callId, request, isIncoming); | 
|  |  | 
|  | Connection connection = isIncoming | 
|  | ? onCreateIncomingConnection(callManagerAccount, request) | 
|  | : onCreateOutgoingConnection(callManagerAccount, request); | 
|  | Log.d(this, "createConnection, connection: %s", connection); | 
|  | if (connection == null) { | 
|  | connection = Connection.createFailedConnection( | 
|  | new DisconnectCause(DisconnectCause.ERROR)); | 
|  | } | 
|  |  | 
|  | if (connection.getState() != Connection.STATE_DISCONNECTED) { | 
|  | addConnection(callId, connection); | 
|  | } | 
|  |  | 
|  | Uri address = connection.getAddress(); | 
|  | String number = address == null ? "null" : address.getSchemeSpecificPart(); | 
|  | Log.v(this, "createConnection, number: %s, state: %s, capabilities: %s", | 
|  | Connection.toLogSafePhoneNumber(number), | 
|  | Connection.stateToString(connection.getState()), | 
|  | PhoneCapabilities.toString(connection.getCallCapabilities())); | 
|  |  | 
|  | Log.d(this, "createConnection, calling handleCreateConnectionSuccessful %s", callId); | 
|  | mAdapter.handleCreateConnectionComplete( | 
|  | callId, | 
|  | request, | 
|  | new ParcelableConnection( | 
|  | request.getAccountHandle(), | 
|  | connection.getState(), | 
|  | connection.getCallCapabilities(), | 
|  | connection.getAddress(), | 
|  | connection.getAddressPresentation(), | 
|  | connection.getCallerDisplayName(), | 
|  | connection.getCallerDisplayNamePresentation(), | 
|  | connection.getVideoProvider() == null ? | 
|  | null : connection.getVideoProvider().getInterface(), | 
|  | connection.getVideoState(), | 
|  | connection.isRingbackRequested(), | 
|  | connection.getAudioModeIsVoip(), | 
|  | connection.getStatusHints(), | 
|  | connection.getDisconnectCause(), | 
|  | createConnectionIdList(connection.getConferenceableConnections()))); | 
|  | } | 
|  |  | 
|  | private void abort(String callId) { | 
|  | Log.d(this, "abort %s", callId); | 
|  | findConnectionForAction(callId, "abort").onAbort(); | 
|  | } | 
|  |  | 
|  | private void answerVideo(String callId, int videoState) { | 
|  | Log.d(this, "answerVideo %s", callId); | 
|  | findConnectionForAction(callId, "answer").onAnswer(videoState); | 
|  | } | 
|  |  | 
|  | private void answer(String callId) { | 
|  | Log.d(this, "answer %s", callId); | 
|  | findConnectionForAction(callId, "answer").onAnswer(); | 
|  | } | 
|  |  | 
|  | private void reject(String callId) { | 
|  | Log.d(this, "reject %s", callId); | 
|  | findConnectionForAction(callId, "reject").onReject(); | 
|  | } | 
|  |  | 
|  | private void disconnect(String callId) { | 
|  | Log.d(this, "disconnect %s", callId); | 
|  | if (mConnectionById.containsKey(callId)) { | 
|  | findConnectionForAction(callId, "disconnect").onDisconnect(); | 
|  | } else { | 
|  | findConferenceForAction(callId, "disconnect").onDisconnect(); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void hold(String callId) { | 
|  | Log.d(this, "hold %s", callId); | 
|  | if (mConnectionById.containsKey(callId)) { | 
|  | findConnectionForAction(callId, "hold").onHold(); | 
|  | } else { | 
|  | findConferenceForAction(callId, "hold").onHold(); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void unhold(String callId) { | 
|  | Log.d(this, "unhold %s", callId); | 
|  | if (mConnectionById.containsKey(callId)) { | 
|  | findConnectionForAction(callId, "unhold").onUnhold(); | 
|  | } else { | 
|  | findConferenceForAction(callId, "unhold").onUnhold(); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void onAudioStateChanged(String callId, AudioState audioState) { | 
|  | Log.d(this, "onAudioStateChanged %s %s", callId, audioState); | 
|  | if (mConnectionById.containsKey(callId)) { | 
|  | findConnectionForAction(callId, "onAudioStateChanged").setAudioState(audioState); | 
|  | } else { | 
|  | findConferenceForAction(callId, "onAudioStateChanged").setAudioState(audioState); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void playDtmfTone(String callId, char digit) { | 
|  | Log.d(this, "playDtmfTone %s %c", callId, digit); | 
|  | if (mConnectionById.containsKey(callId)) { | 
|  | findConnectionForAction(callId, "playDtmfTone").onPlayDtmfTone(digit); | 
|  | } else { | 
|  | findConferenceForAction(callId, "playDtmfTone").onPlayDtmfTone(digit); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void stopDtmfTone(String callId) { | 
|  | Log.d(this, "stopDtmfTone %s", callId); | 
|  | if (mConnectionById.containsKey(callId)) { | 
|  | findConnectionForAction(callId, "stopDtmfTone").onStopDtmfTone(); | 
|  | } else { | 
|  | findConferenceForAction(callId, "stopDtmfTone").onStopDtmfTone(); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void conference(String callId1, String callId2) { | 
|  | Log.d(this, "conference %s, %s", callId1, callId2); | 
|  |  | 
|  | Connection connection2 = findConnectionForAction(callId2, "conference"); | 
|  | if (connection2 == getNullConnection()) { | 
|  | Log.w(this, "Connection2 missing in conference request %s.", callId2); | 
|  | return; | 
|  | } | 
|  |  | 
|  | Connection connection1 = findConnectionForAction(callId1, "conference"); | 
|  | if (connection1 == getNullConnection()) { | 
|  | Conference conference1 = findConferenceForAction(callId1, "addConnection"); | 
|  | if (conference1 == getNullConference()) { | 
|  | Log.w(this, | 
|  | "Connection1 or Conference1 missing in conference request %s.", | 
|  | callId1); | 
|  | } else { | 
|  | conference1.onMerge(connection2); | 
|  | } | 
|  | } else { | 
|  | onConference(connection1, connection2); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void splitFromConference(String callId) { | 
|  | Log.d(this, "splitFromConference(%s)", callId); | 
|  |  | 
|  | Connection connection = findConnectionForAction(callId, "splitFromConference"); | 
|  | if (connection == getNullConnection()) { | 
|  | Log.w(this, "Connection missing in conference request %s.", callId); | 
|  | return; | 
|  | } | 
|  |  | 
|  | Conference conference = connection.getConference(); | 
|  | if (conference != null) { | 
|  | conference.onSeparate(connection); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void mergeConference(String callId) { | 
|  | Log.d(this, "mergeConference(%s)", callId); | 
|  | Conference conference = findConferenceForAction(callId, "mergeConference"); | 
|  | if (conference != null) { | 
|  | conference.onMerge(); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void swapConference(String callId) { | 
|  | Log.d(this, "swapConference(%s)", callId); | 
|  | Conference conference = findConferenceForAction(callId, "swapConference"); | 
|  | if (conference != null) { | 
|  | conference.onSwap(); | 
|  | } | 
|  | } | 
|  |  | 
|  | private void onPostDialContinue(String callId, boolean proceed) { | 
|  | Log.d(this, "onPostDialContinue(%s)", callId); | 
|  | findConnectionForAction(callId, "stopDtmfTone").onPostDialContinue(proceed); | 
|  | } | 
|  |  | 
|  | private void onAdapterAttached() { | 
|  | if (mAreAccountsInitialized) { | 
|  | // No need to query again if we already did it. | 
|  | return; | 
|  | } | 
|  |  | 
|  | mAdapter.queryRemoteConnectionServices(new RemoteServiceCallback.Stub() { | 
|  | @Override | 
|  | public void onResult( | 
|  | final List<ComponentName> componentNames, | 
|  | final List<IBinder> services) { | 
|  | mHandler.post(new Runnable() { | 
|  | @Override | 
|  | public void run() { | 
|  | for (int i = 0; i < componentNames.size() && i < services.size(); i++) { | 
|  | mRemoteConnectionManager.addConnectionService( | 
|  | componentNames.get(i), | 
|  | IConnectionService.Stub.asInterface(services.get(i))); | 
|  | } | 
|  | onAccountsInitialized(); | 
|  | Log.d(this, "remote connection services found: " + services); | 
|  | } | 
|  | }); | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public void onError() { | 
|  | mHandler.post(new Runnable() { | 
|  | @Override | 
|  | public void run() { | 
|  | mAreAccountsInitialized = true; | 
|  | } | 
|  | }); | 
|  | } | 
|  | }); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Ask some other {@code ConnectionService} to create a {@code RemoteConnection} given an | 
|  | * incoming request. This is used to attach to existing incoming calls. | 
|  | * | 
|  | * @param connectionManagerPhoneAccount See description at | 
|  | *         {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. | 
|  | * @param request Details about the incoming call. | 
|  | * @return The {@code Connection} object to satisfy this call, or {@code null} to | 
|  | *         not handle the call. | 
|  | */ | 
|  | public final RemoteConnection createRemoteIncomingConnection( | 
|  | PhoneAccountHandle connectionManagerPhoneAccount, | 
|  | ConnectionRequest request) { | 
|  | return mRemoteConnectionManager.createRemoteConnection( | 
|  | connectionManagerPhoneAccount, request, true); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Ask some other {@code ConnectionService} to create a {@code RemoteConnection} given an | 
|  | * outgoing request. This is used to initiate new outgoing calls. | 
|  | * | 
|  | * @param connectionManagerPhoneAccount See description at | 
|  | *         {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. | 
|  | * @param request Details about the incoming call. | 
|  | * @return The {@code Connection} object to satisfy this call, or {@code null} to | 
|  | *         not handle the call. | 
|  | */ | 
|  | public final RemoteConnection createRemoteOutgoingConnection( | 
|  | PhoneAccountHandle connectionManagerPhoneAccount, | 
|  | ConnectionRequest request) { | 
|  | return mRemoteConnectionManager.createRemoteConnection( | 
|  | connectionManagerPhoneAccount, request, false); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Adds two {@code RemoteConnection}s to some {@code RemoteConference}. | 
|  | */ | 
|  | public final void conferenceRemoteConnections( | 
|  | RemoteConnection a, | 
|  | RemoteConnection b) { | 
|  | mRemoteConnectionManager.conferenceRemoteConnections(a, b); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Adds a new conference call. When a conference call is created either as a result of an | 
|  | * explicit request via {@link #onConference} or otherwise, the connection service should supply | 
|  | * an instance of {@link Conference} by invoking this method. A conference call provided by this | 
|  | * method will persist until {@link Conference#destroy} is invoked on the conference instance. | 
|  | * | 
|  | * @param conference The new conference object. | 
|  | */ | 
|  | public final void addConference(Conference conference) { | 
|  | String id = addConferenceInternal(conference); | 
|  | if (id != null) { | 
|  | List<String> connectionIds = new ArrayList<>(2); | 
|  | for (Connection connection : conference.getConnections()) { | 
|  | if (mIdByConnection.containsKey(connection)) { | 
|  | connectionIds.add(mIdByConnection.get(connection)); | 
|  | } | 
|  | } | 
|  | ParcelableConference parcelableConference = new ParcelableConference( | 
|  | conference.getPhoneAccountHandle(), | 
|  | conference.getState(), | 
|  | conference.getCapabilities(), | 
|  | connectionIds); | 
|  | mAdapter.addConferenceCall(id, parcelableConference); | 
|  |  | 
|  | // Go through any child calls and set the parent. | 
|  | for (Connection connection : conference.getConnections()) { | 
|  | String connectionId = mIdByConnection.get(connection); | 
|  | if (connectionId != null) { | 
|  | mAdapter.setIsConferenced(connectionId, id); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Returns all the active {@code Connection}s for which this {@code ConnectionService} | 
|  | * has taken responsibility. | 
|  | * | 
|  | * @return A collection of {@code Connection}s created by this {@code ConnectionService}. | 
|  | */ | 
|  | public final Collection<Connection> getAllConnections() { | 
|  | return mConnectionById.values(); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Create a {@code Connection} given an incoming request. This is used to attach to existing | 
|  | * incoming calls. | 
|  | * | 
|  | * @param connectionManagerPhoneAccount See description at | 
|  | *         {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. | 
|  | * @param request Details about the incoming call. | 
|  | * @return The {@code Connection} object to satisfy this call, or {@code null} to | 
|  | *         not handle the call. | 
|  | */ | 
|  | public Connection onCreateIncomingConnection( | 
|  | PhoneAccountHandle connectionManagerPhoneAccount, | 
|  | ConnectionRequest request) { | 
|  | return null; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Create a {@code Connection} given an outgoing request. This is used to initiate new | 
|  | * outgoing calls. | 
|  | * | 
|  | * @param connectionManagerPhoneAccount The connection manager account to use for managing | 
|  | *         this call. | 
|  | *         <p> | 
|  | *         If this parameter is not {@code null}, it means that this {@code ConnectionService} | 
|  | *         has registered one or more {@code PhoneAccount}s having | 
|  | *         {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER}. This parameter will contain | 
|  | *         one of these {@code PhoneAccount}s, while the {@code request} will contain another | 
|  | *         (usually but not always distinct) {@code PhoneAccount} to be used for actually | 
|  | *         making the connection. | 
|  | *         <p> | 
|  | *         If this parameter is {@code null}, it means that this {@code ConnectionService} is | 
|  | *         being asked to make a direct connection. The | 
|  | *         {@link ConnectionRequest#getAccountHandle()} of parameter {@code request} will be | 
|  | *         a {@code PhoneAccount} registered by this {@code ConnectionService} to use for | 
|  | *         making the connection. | 
|  | * @param request Details about the outgoing call. | 
|  | * @return The {@code Connection} object to satisfy this call, or the result of an invocation | 
|  | *         of {@link Connection#createFailedConnection(DisconnectCause)} to not handle the call. | 
|  | */ | 
|  | public Connection onCreateOutgoingConnection( | 
|  | PhoneAccountHandle connectionManagerPhoneAccount, | 
|  | ConnectionRequest request) { | 
|  | return null; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Conference two specified connections. Invoked when the user has made a request to merge the | 
|  | * specified connections into a conference call. In response, the connection service should | 
|  | * create an instance of {@link Conference} and pass it into {@link #addConference}. | 
|  | * | 
|  | * @param connection1 A connection to merge into a conference call. | 
|  | * @param connection2 A connection to merge into a conference call. | 
|  | */ | 
|  | public void onConference(Connection connection1, Connection connection2) {} | 
|  |  | 
|  | public void onRemoteConferenceAdded(RemoteConference conference) {} | 
|  |  | 
|  | /** | 
|  | * @hide | 
|  | */ | 
|  | public boolean containsConference(Conference conference) { | 
|  | return mIdByConference.containsKey(conference); | 
|  | } | 
|  |  | 
|  | /** {@hide} */ | 
|  | void addRemoteConference(RemoteConference remoteConference) { | 
|  | onRemoteConferenceAdded(remoteConference); | 
|  | } | 
|  |  | 
|  | private void onAccountsInitialized() { | 
|  | mAreAccountsInitialized = true; | 
|  | for (Runnable r : mPreInitializationConnectionRequests) { | 
|  | r.run(); | 
|  | } | 
|  | mPreInitializationConnectionRequests.clear(); | 
|  | } | 
|  |  | 
|  | private void addConnection(String callId, Connection connection) { | 
|  | mConnectionById.put(callId, connection); | 
|  | mIdByConnection.put(connection, callId); | 
|  | connection.addConnectionListener(mConnectionListener); | 
|  | connection.setConnectionService(this); | 
|  | } | 
|  |  | 
|  | private void removeConnection(Connection connection) { | 
|  | String id = mIdByConnection.get(connection); | 
|  | connection.unsetConnectionService(this); | 
|  | connection.removeConnectionListener(mConnectionListener); | 
|  | mConnectionById.remove(mIdByConnection.get(connection)); | 
|  | mIdByConnection.remove(connection); | 
|  | mAdapter.removeCall(id); | 
|  | } | 
|  |  | 
|  | private String addConferenceInternal(Conference conference) { | 
|  | if (mIdByConference.containsKey(conference)) { | 
|  | Log.w(this, "Re-adding an existing conference: %s.", conference); | 
|  | } else if (conference != null) { | 
|  | String id = UUID.randomUUID().toString(); | 
|  | mConferenceById.put(id, conference); | 
|  | mIdByConference.put(conference, id); | 
|  | conference.addListener(mConferenceListener); | 
|  | return id; | 
|  | } | 
|  |  | 
|  | return null; | 
|  | } | 
|  |  | 
|  | private void removeConference(Conference conference) { | 
|  | if (mIdByConference.containsKey(conference)) { | 
|  | conference.removeListener(mConferenceListener); | 
|  |  | 
|  | String id = mIdByConference.get(conference); | 
|  | mConferenceById.remove(id); | 
|  | mIdByConference.remove(conference); | 
|  | mAdapter.removeCall(id); | 
|  | } | 
|  | } | 
|  |  | 
|  | private Connection findConnectionForAction(String callId, String action) { | 
|  | if (mConnectionById.containsKey(callId)) { | 
|  | return mConnectionById.get(callId); | 
|  | } | 
|  | Log.w(this, "%s - Cannot find Connection %s", action, callId); | 
|  | return getNullConnection(); | 
|  | } | 
|  |  | 
|  | static synchronized Connection getNullConnection() { | 
|  | if (sNullConnection == null) { | 
|  | sNullConnection = new Connection() {}; | 
|  | } | 
|  | return sNullConnection; | 
|  | } | 
|  |  | 
|  | private Conference findConferenceForAction(String conferenceId, String action) { | 
|  | if (mConferenceById.containsKey(conferenceId)) { | 
|  | return mConferenceById.get(conferenceId); | 
|  | } | 
|  | Log.w(this, "%s - Cannot find conference %s", action, conferenceId); | 
|  | return getNullConference(); | 
|  | } | 
|  |  | 
|  | private List<String> createConnectionIdList(List<Connection> connections) { | 
|  | List<String> ids = new ArrayList<>(); | 
|  | for (Connection c : connections) { | 
|  | if (mIdByConnection.containsKey(c)) { | 
|  | ids.add(mIdByConnection.get(c)); | 
|  | } | 
|  | } | 
|  | Collections.sort(ids); | 
|  | return ids; | 
|  | } | 
|  |  | 
|  | private Conference getNullConference() { | 
|  | if (sNullConference == null) { | 
|  | sNullConference = new Conference(null) {}; | 
|  | } | 
|  | return sNullConference; | 
|  | } | 
|  |  | 
|  | private void endAllConnections() { | 
|  | // Unbound from telecomm.  We should end all connections and conferences. | 
|  | for (Connection connection : mIdByConnection.keySet()) { | 
|  | // only operate on top-level calls. Conference calls will be removed on their own. | 
|  | if (connection.getConference() == null) { | 
|  | connection.onDisconnect(); | 
|  | } | 
|  | } | 
|  | for (Conference conference : mIdByConference.keySet()) { | 
|  | conference.onDisconnect(); | 
|  | } | 
|  | } | 
|  | } |