| /* |
| * Copyright (C) 2013 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.telecomm; |
| |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.telecomm.AudioState; |
| import android.telecomm.CallState; |
| import android.telecomm.GatewayInfo; |
| import android.telecomm.PhoneAccountHandle; |
| import android.telephony.DisconnectCause; |
| |
| import com.google.common.collect.ImmutableCollection; |
| import com.google.common.collect.ImmutableList; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.CopyOnWriteArraySet; |
| |
| /** |
| * Singleton. |
| * |
| * NOTE: by design most APIs are package private, use the relevant adapter/s to allow |
| * access from other packages specifically refraining from passing the CallsManager instance |
| * beyond the com.android.telecomm package boundary. |
| */ |
| public final class CallsManager extends Call.ListenerBase { |
| |
| // TODO: Consider renaming this CallsManagerPlugin. |
| interface CallsManagerListener { |
| void onCallAdded(Call call); |
| void onCallRemoved(Call call); |
| void onCallStateChanged(Call call, int oldState, int newState); |
| void onConnectionServiceChanged( |
| Call call, |
| ConnectionServiceWrapper oldService, |
| ConnectionServiceWrapper newService); |
| void onIncomingCallAnswered(Call call); |
| void onIncomingCallRejected(Call call, boolean rejectWithMessage, String textMessage); |
| void onForegroundCallChanged(Call oldForegroundCall, Call newForegroundCall); |
| void onAudioStateChanged(AudioState oldAudioState, AudioState newAudioState); |
| void onRequestingRingback(Call call, boolean ringback); |
| void onIsConferencedChanged(Call call); |
| void onAudioModeIsVoipChanged(Call call); |
| void onVideoStateChanged(Call call); |
| } |
| |
| private static final CallsManager INSTANCE = new CallsManager(); |
| |
| /** |
| * The main call repository. Keeps an instance of all live calls. New incoming and outgoing |
| * calls are added to the map and removed when the calls move to the disconnected state. |
| */ |
| private final Set<Call> mCalls = new CopyOnWriteArraySet<Call>(); |
| |
| private final ConnectionServiceRepository mConnectionServiceRepository = |
| new ConnectionServiceRepository(); |
| private final DtmfLocalTonePlayer mDtmfLocalTonePlayer = new DtmfLocalTonePlayer(); |
| private final InCallController mInCallController = new InCallController(); |
| private final CallAudioManager mCallAudioManager; |
| private final Ringer mRinger; |
| private final Set<CallsManagerListener> mListeners = new HashSet<>(); |
| private final HeadsetMediaButton mHeadsetMediaButton; |
| private final WiredHeadsetManager mWiredHeadsetManager; |
| private final TtyManager mTtyManager; |
| private final ProximitySensorManager mProximitySensorManager; |
| |
| /** |
| * The call the user is currently interacting with. This is the call that should have audio |
| * focus and be visible in the in-call UI. |
| */ |
| private Call mForegroundCall; |
| |
| /** Singleton accessor. */ |
| static CallsManager getInstance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Initializes the required Telecomm components. |
| */ |
| private CallsManager() { |
| TelecommApp app = TelecommApp.getInstance(); |
| |
| StatusBarNotifier statusBarNotifier = new StatusBarNotifier(app, this); |
| mWiredHeadsetManager = new WiredHeadsetManager(app); |
| mCallAudioManager = new CallAudioManager(app, statusBarNotifier, mWiredHeadsetManager); |
| InCallTonePlayer.Factory playerFactory = new InCallTonePlayer.Factory(mCallAudioManager); |
| mRinger = new Ringer(mCallAudioManager, this, playerFactory, app); |
| mHeadsetMediaButton = new HeadsetMediaButton(app, this); |
| mTtyManager = new TtyManager(app, mWiredHeadsetManager); |
| mProximitySensorManager = new ProximitySensorManager(app); |
| |
| mListeners.add(statusBarNotifier); |
| mListeners.add(new CallLogManager(app)); |
| mListeners.add(new PhoneStateBroadcaster()); |
| mListeners.add(mInCallController); |
| mListeners.add(mRinger); |
| mListeners.add(new RingbackPlayer(this, playerFactory)); |
| mListeners.add(new InCallToneMonitor(playerFactory, this)); |
| mListeners.add(mCallAudioManager); |
| mListeners.add(app.getMissedCallNotifier()); |
| mListeners.add(mDtmfLocalTonePlayer); |
| mListeners.add(mHeadsetMediaButton); |
| mListeners.add(RespondViaSmsManager.getInstance()); |
| mListeners.add(mProximitySensorManager); |
| } |
| |
| @Override |
| public void onSuccessfulOutgoingCall(Call call, int callState) { |
| Log.v(this, "onSuccessfulOutgoingCall, %s", call); |
| |
| setCallState(call, callState); |
| if (!mCalls.contains(call)) { |
| // Call was not added previously in startOutgoingCall due to it being a potential MMI |
| // code, so add it now. |
| addCall(call); |
| } |
| |
| // The call's ConnectionService has been updated. |
| for (CallsManagerListener listener : mListeners) { |
| listener.onConnectionServiceChanged(call, null, call.getConnectionService()); |
| } |
| |
| markCallAsDialing(call); |
| } |
| |
| @Override |
| public void onFailedOutgoingCall(Call call, int errorCode, String errorMsg) { |
| Log.v(this, "onFailedOutgoingCall, call: %s", call); |
| |
| // TODO: Replace disconnect cause with more specific disconnect causes. |
| markCallAsDisconnected(call, errorCode, errorMsg); |
| } |
| |
| @Override |
| public void onCancelledOutgoingCall(Call call) { |
| Log.v(this, "onCancelledOutgoingCall, call: %s", call); |
| setCallState(call, CallState.ABORTED); |
| removeCall(call); |
| } |
| |
| @Override |
| public void onSuccessfulIncomingCall(Call call) { |
| Log.d(this, "onSuccessfulIncomingCall"); |
| setCallState(call, CallState.RINGING); |
| addCall(call); |
| } |
| |
| @Override |
| public void onFailedIncomingCall(Call call) { |
| setCallState(call, CallState.DISCONNECTED); |
| call.removeListener(this); |
| } |
| |
| @Override |
| public void onRequestingRingback(Call call, boolean ringback) { |
| for (CallsManagerListener listener : mListeners) { |
| listener.onRequestingRingback(call, ringback); |
| } |
| } |
| |
| @Override |
| public void onPostDialWait(Call call, String remaining) { |
| mInCallController.onPostDialWait(call, remaining); |
| } |
| |
| @Override |
| public void onExpiredConferenceCall(Call call) { |
| call.removeListener(this); |
| } |
| |
| @Override |
| public void onConfirmedConferenceCall(Call call) { |
| addCall(call); |
| Log.v(this, "confirming Conf call %s", call); |
| for (CallsManagerListener listener : mListeners) { |
| listener.onIsConferencedChanged(call); |
| } |
| } |
| |
| @Override |
| public void onParentChanged(Call call) { |
| for (CallsManagerListener listener : mListeners) { |
| listener.onIsConferencedChanged(call); |
| } |
| } |
| |
| @Override |
| public void onChildrenChanged(Call call) { |
| for (CallsManagerListener listener : mListeners) { |
| listener.onIsConferencedChanged(call); |
| } |
| } |
| |
| @Override |
| public void onAudioModeIsVoipChanged(Call call) { |
| for (CallsManagerListener listener : mListeners) { |
| listener.onAudioModeIsVoipChanged(call); |
| } |
| } |
| |
| @Override |
| public void onVideoStateChanged(Call call) { |
| for (CallsManagerListener listener : mListeners) { |
| listener.onVideoStateChanged(call); |
| } |
| } |
| |
| ImmutableCollection<Call> getCalls() { |
| return ImmutableList.copyOf(mCalls); |
| } |
| |
| Call getForegroundCall() { |
| return mForegroundCall; |
| } |
| |
| Ringer getRinger() { |
| return mRinger; |
| } |
| |
| InCallController getInCallController() { |
| return mInCallController; |
| } |
| |
| boolean hasEmergencyCall() { |
| for (Call call : mCalls) { |
| if (call.isEmergencyCall()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| AudioState getAudioState() { |
| return mCallAudioManager.getAudioState(); |
| } |
| |
| boolean isTtySupported() { |
| return mTtyManager.isTtySupported(); |
| } |
| |
| int getCurrentTtyMode() { |
| return mTtyManager.getCurrentTtyMode(); |
| } |
| |
| /** |
| * Starts the process to attach the call to a connection service. |
| * |
| * @param phoneAccountHandle The phone account which contains the component name of the connection |
| * service to use for this call. |
| * @param extras The optional extras Bundle passed with the intent used for the incoming call. |
| */ |
| void processIncomingCallIntent(PhoneAccountHandle phoneAccountHandle, Bundle extras) { |
| Log.d(this, "processIncomingCallIntent"); |
| // Create a call with no handle. The handle is eventually set when the call is attached |
| // to a connection service. |
| Call call = new Call( |
| mConnectionServiceRepository, |
| null /* handle */, |
| null /* gatewayInfo */, |
| null /* connectionManagerPhoneAccount */, |
| phoneAccountHandle, |
| true /* isIncoming */, |
| false /* isConference */); |
| |
| call.setExtras(extras); |
| // TODO: Move this to be a part of addCall() |
| call.addListener(this); |
| call.startCreateConnection(); |
| } |
| |
| |
| /** |
| * Kicks off the first steps to creating an outgoing call so that InCallUI can launch. |
| * |
| * NOTE: emergency calls will never pass through this because they call |
| * placeOutgoingCall directly. |
| * |
| * @param handle Handle to connect the call with. |
| * @param phoneAccountHandle The phone account which contains the component name of the connection |
| * service to use for this call. |
| * @param extras The optional extras Bundle passed with the intent used for the outgoing call. |
| * |
| */ |
| Call startOutgoingCall(Uri handle, PhoneAccountHandle phoneAccountHandle, Bundle extras) { |
| // We only allow a single outgoing call at any given time. Before placing a call, make sure |
| // there doesn't already exist another outgoing call. |
| Call call = getFirstCallWithState(CallState.NEW, CallState.DIALING); |
| |
| if (call != null) { |
| Log.i(this, "Canceling simultaneous outgoing call."); |
| return null; |
| } |
| |
| // Create a call with original handle. The handle may be changed when the call is attached |
| // to a connection service, but in most cases will remain the same. |
| call = new Call( |
| mConnectionServiceRepository, |
| handle, |
| null /* gatewayInfo */, |
| null /* connectionManagerPhoneAccount */, |
| phoneAccountHandle, |
| false /* isIncoming */, |
| false /* isConference */); |
| call.setExtras(extras); |
| call.setState(CallState.CONNECTING); |
| |
| if (!isPotentialMMICode(handle)) { |
| addCall(call); |
| } else { |
| call.addListener(this); |
| } |
| |
| return call; |
| } |
| |
| /** |
| * Attempts to issue/connect the specified call. |
| * |
| * @param handle Handle to connect the call with. |
| * @param gatewayInfo Optional gateway information that can be used to route the call to the |
| * actual dialed handle via a gateway provider. May be null. |
| * @param speakerphoneOn Whether or not to turn the speakerphone on once the call connects. |
| * @param videoState The desired video state for the outgoing call. |
| */ |
| void placeOutgoingCall(Call call, Uri handle, GatewayInfo gatewayInfo, |
| PhoneAccountHandle accountHandle, boolean speakerphoneOn, int videoState) { |
| if (call == null) { |
| // don't do anything if the call no longer exists |
| Log.i(this, "Canceling unknown call."); |
| return; |
| } |
| |
| TelecommApp app = TelecommApp.getInstance(); |
| final Uri uriHandle = (gatewayInfo == null) ? handle : gatewayInfo.getGatewayHandle(); |
| |
| if (gatewayInfo == null) { |
| Log.i(this, "Creating a new outgoing call with handle: %s", Log.piiHandle(uriHandle)); |
| } else { |
| Log.i(this, "Creating a new outgoing call with gateway handle: %s, original handle: %s", |
| Log.pii(uriHandle), Log.pii(handle)); |
| } |
| |
| //TODO: phone account is already set in {@link #startOutgoingCall}, refactor so this is |
| // not redundant. |
| // |
| // Only dial with the requested phoneAccount if it is still valid. Otherwise treat this call |
| // as if a phoneAccount was not specified (does the default behavior instead). |
| if (accountHandle != null) { |
| List<PhoneAccountHandle> enabledAccounts = |
| app.getPhoneAccountRegistrar().getOutgoingPhoneAccounts(); |
| if (!enabledAccounts.contains(accountHandle)) { |
| accountHandle = null; |
| } |
| } |
| |
| call.setHandle(uriHandle); |
| call.setGatewayInfo(gatewayInfo); |
| call.setStartWithSpeakerphoneOn(speakerphoneOn); |
| call.setVideoState(videoState); |
| |
| // This block of code will attempt to pre-determine a phone account |
| final boolean emergencyCall = TelephonyUtil.shouldProcessAsEmergency(app, call.getHandle()); |
| if (emergencyCall) { |
| // Emergency -- CreateConnectionProcessor will choose accounts automatically |
| call.setTargetPhoneAccount(null); |
| } else if (accountHandle != null) { |
| // NOTE: this is currently not an option because no feature currently exists to |
| // preset a phone account |
| Log.d(this, "CALL with phone account: " + accountHandle); |
| call.setTargetPhoneAccount(accountHandle); |
| } else { |
| // No preset account, check if default exists |
| PhoneAccountHandle defaultAccountHandle = |
| app.getPhoneAccountRegistrar().getDefaultOutgoingPhoneAccount(); |
| if (defaultAccountHandle != null) { |
| call.setTargetPhoneAccount(defaultAccountHandle); |
| } |
| } |
| |
| if (call.getTargetPhoneAccount() != null || emergencyCall) { |
| // If the account is selected, proceed to place the outgoing call |
| call.startCreateConnection(); |
| } else { |
| // This is the state where the user is expected to select an account |
| call.setState(CallState.PRE_DIAL_WAIT); |
| } |
| } |
| |
| /** |
| * Attempts to start a conference call for the specified call. |
| * |
| * @param call The call to conference. |
| * @param otherCall The other call to conference with. |
| */ |
| void conference(Call call, Call otherCall) { |
| Call conferenceCall = new Call( |
| mConnectionServiceRepository, |
| null /* handle */, |
| null /* gatewayInfo */, |
| null /* connectionManagerPhoneAccount */, |
| null /* targetPhoneAccount */, |
| false /* isIncoming */, |
| true /* isConference */); |
| conferenceCall.addListener(this); |
| call.conferenceInto(conferenceCall); |
| } |
| |
| /** |
| * Instructs Telecomm to answer the specified call. Intended to be invoked by the in-call |
| * app through {@link InCallAdapter} after Telecomm notifies it of an incoming call followed by |
| * the user opting to answer said call. |
| * |
| * @param call The call to answer. |
| * @param videoState The video state in which to answer the call. |
| */ |
| void answerCall(Call call, int videoState) { |
| if (!mCalls.contains(call)) { |
| Log.i(this, "Request to answer a non-existent call %s", call); |
| } else { |
| // If the foreground call is not the ringing call and it is currently isActive() or |
| // STATE_DIALING, put it on hold before answering the call. |
| if (mForegroundCall != null && mForegroundCall != call && |
| (mForegroundCall.isActive() || |
| mForegroundCall.getState() == CallState.DIALING)) { |
| Log.v(this, "Holding active/dialing call %s before answering incoming call %s.", |
| mForegroundCall, call); |
| mForegroundCall.hold(); |
| // TODO: Wait until we get confirmation of the active call being |
| // on-hold before answering the new call. |
| // TODO: Import logic from CallManager.acceptCall() |
| } |
| |
| for (CallsManagerListener listener : mListeners) { |
| listener.onIncomingCallAnswered(call); |
| } |
| |
| // We do not update the UI until we get confirmation of the answer() through |
| // {@link #markCallAsActive}. |
| call.answer(videoState); |
| } |
| } |
| |
| /** |
| * Instructs Telecomm to reject the specified call. Intended to be invoked by the in-call |
| * app through {@link InCallAdapter} after Telecomm notifies it of an incoming call followed by |
| * the user opting to reject said call. |
| */ |
| void rejectCall(Call call, boolean rejectWithMessage, String textMessage) { |
| if (!mCalls.contains(call)) { |
| Log.i(this, "Request to reject a non-existent call %s", call); |
| } else { |
| for (CallsManagerListener listener : mListeners) { |
| listener.onIncomingCallRejected(call, rejectWithMessage, textMessage); |
| } |
| call.reject(rejectWithMessage, textMessage); |
| } |
| } |
| |
| /** |
| * Instructs Telecomm to play the specified DTMF tone within the specified call. |
| * |
| * @param digit The DTMF digit to play. |
| */ |
| void playDtmfTone(Call call, char digit) { |
| if (!mCalls.contains(call)) { |
| Log.i(this, "Request to play DTMF in a non-existent call %s", call); |
| } else { |
| call.playDtmfTone(digit); |
| mDtmfLocalTonePlayer.playTone(call, digit); |
| } |
| } |
| |
| /** |
| * Instructs Telecomm to stop the currently playing DTMF tone, if any. |
| */ |
| void stopDtmfTone(Call call) { |
| if (!mCalls.contains(call)) { |
| Log.i(this, "Request to stop DTMF in a non-existent call %s", call); |
| } else { |
| call.stopDtmfTone(); |
| mDtmfLocalTonePlayer.stopTone(call); |
| } |
| } |
| |
| /** |
| * Instructs Telecomm to continue (or not) the current post-dial DTMF string, if any. |
| */ |
| void postDialContinue(Call call, boolean proceed) { |
| if (!mCalls.contains(call)) { |
| Log.i(this, "Request to continue post-dial string in a non-existent call %s", call); |
| } else { |
| call.postDialContinue(proceed); |
| } |
| } |
| |
| /** |
| * Instructs Telecomm to disconnect the specified call. Intended to be invoked by the |
| * in-call app through {@link InCallAdapter} for an ongoing call. This is usually triggered by |
| * the user hitting the end-call button. |
| */ |
| void disconnectCall(Call call) { |
| Log.v(this, "disconnectCall %s", call); |
| |
| if (!mCalls.contains(call)) { |
| Log.w(this, "Unknown call (%s) asked to disconnect", call); |
| } else { |
| call.disconnect(); |
| } |
| } |
| |
| /** |
| * Instructs Telecomm to put the specified call on hold. Intended to be invoked by the |
| * in-call app through {@link InCallAdapter} for an ongoing call. This is usually triggered by |
| * the user hitting the hold button during an active call. |
| */ |
| void holdCall(Call call) { |
| if (!mCalls.contains(call)) { |
| Log.w(this, "Unknown call (%s) asked to be put on hold", call); |
| } else { |
| Log.d(this, "Putting call on hold: (%s)", call); |
| call.hold(); |
| } |
| } |
| |
| /** |
| * Instructs Telecomm to release the specified call from hold. Intended to be invoked by |
| * the in-call app through {@link InCallAdapter} for an ongoing call. This is usually triggered |
| * by the user hitting the hold button during a held call. |
| */ |
| void unholdCall(Call call) { |
| if (!mCalls.contains(call)) { |
| Log.w(this, "Unknown call (%s) asked to be removed from hold", call); |
| } else { |
| Log.d(this, "unholding call: (%s)", call); |
| for (Call c : mCalls) { |
| if (c != null && c.isAlive() && c != call) { |
| c.hold(); |
| } |
| } |
| call.unhold(); |
| } |
| } |
| |
| /** Called by the in-call UI to change the mute state. */ |
| void mute(boolean shouldMute) { |
| mCallAudioManager.mute(shouldMute); |
| } |
| |
| /** |
| * Called by the in-call UI to change the audio route, for example to change from earpiece to |
| * speaker phone. |
| */ |
| void setAudioRoute(int route) { |
| mCallAudioManager.setAudioRoute(route); |
| } |
| |
| /** Called by the in-call UI to turn the proximity sensor on. */ |
| void turnOnProximitySensor() { |
| mProximitySensorManager.turnOn(); |
| } |
| |
| /** |
| * Called by the in-call UI to turn the proximity sensor off. |
| * @param screenOnImmediately If true, the screen will be turned on immediately. Otherwise, |
| * the screen will be kept off until the proximity sensor goes negative. |
| */ |
| void turnOffProximitySensor(boolean screenOnImmediately) { |
| mProximitySensorManager.turnOff(screenOnImmediately); |
| } |
| |
| void phoneAccountClicked(Call call) { |
| if (!mCalls.contains(call)) { |
| Log.i(this, "phoneAccountClicked in a non-existent call %s", call); |
| } else { |
| call.phoneAccountClicked(); |
| } |
| } |
| |
| void phoneAccountSelected(Call call, PhoneAccountHandle account) { |
| if (!mCalls.contains(call)) { |
| Log.i(this, "Attemped to add account to unknown call %s", call); |
| } else { |
| call.setTargetPhoneAccount(account); |
| call.startCreateConnection(); |
| } |
| } |
| |
| /** Called when the audio state changes. */ |
| void onAudioStateChanged(AudioState oldAudioState, AudioState newAudioState) { |
| Log.v(this, "onAudioStateChanged, audioState: %s -> %s", oldAudioState, newAudioState); |
| for (CallsManagerListener listener : mListeners) { |
| listener.onAudioStateChanged(oldAudioState, newAudioState); |
| } |
| } |
| |
| void markCallAsRinging(Call call) { |
| setCallState(call, CallState.RINGING); |
| } |
| |
| void markCallAsDialing(Call call) { |
| setCallState(call, CallState.DIALING); |
| } |
| |
| void markCallAsActive(Call call) { |
| if (call.getConnectTimeMillis() == 0) { |
| call.setConnectTimeMillis(System.currentTimeMillis()); |
| } |
| setCallState(call, CallState.ACTIVE); |
| |
| if (call.getStartWithSpeakerphoneOn()) { |
| setAudioRoute(AudioState.ROUTE_SPEAKER); |
| } |
| } |
| |
| void markCallAsOnHold(Call call) { |
| setCallState(call, CallState.ON_HOLD); |
| } |
| |
| /** |
| * Marks the specified call as STATE_DISCONNECTED and notifies the in-call app. If this was the last |
| * live call, then also disconnect from the in-call controller. |
| * |
| * @param disconnectCause The disconnect reason, see {@link android.telephony.DisconnectCause}. |
| * @param disconnectMessage Optional message about the disconnect. |
| */ |
| void markCallAsDisconnected(Call call, int disconnectCause, String disconnectMessage) { |
| call.setDisconnectCause(disconnectCause, disconnectMessage); |
| setCallState(call, CallState.DISCONNECTED); |
| removeCall(call); |
| } |
| |
| /** |
| * Cleans up any calls currently associated with the specified connection service when the |
| * service binder disconnects unexpectedly. |
| * |
| * @param service The connection service that disconnected. |
| */ |
| void handleConnectionServiceDeath(ConnectionServiceWrapper service) { |
| if (service != null) { |
| for (Call call : ImmutableList.copyOf(mCalls)) { |
| if (call.getConnectionService() == service) { |
| markCallAsDisconnected(call, DisconnectCause.ERROR_UNSPECIFIED, null); |
| } |
| } |
| } |
| } |
| |
| boolean hasAnyCalls() { |
| return !mCalls.isEmpty(); |
| } |
| |
| boolean hasActiveOrHoldingCall() { |
| return getFirstCallWithState(CallState.ACTIVE, CallState.ON_HOLD) != null; |
| } |
| |
| boolean hasRingingCall() { |
| return getFirstCallWithState(CallState.RINGING) != null; |
| } |
| |
| boolean onMediaButton(int type) { |
| if (hasAnyCalls()) { |
| if (HeadsetMediaButton.SHORT_PRESS == type) { |
| Call ringingCall = getFirstCallWithState(CallState.RINGING); |
| if (ringingCall == null) { |
| mCallAudioManager.toggleMute(); |
| return true; |
| } else { |
| ringingCall.answer(ringingCall.getVideoState()); |
| return true; |
| } |
| } else if (HeadsetMediaButton.LONG_PRESS == type) { |
| Log.d(this, "handleHeadsetHook: longpress -> hangup"); |
| Call callToHangup = getFirstCallWithState( |
| CallState.RINGING, CallState.DIALING, CallState.ACTIVE, CallState.ON_HOLD); |
| if (callToHangup != null) { |
| callToHangup.disconnect(); |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Checks to see if the specified call is the only high-level call and if so, enable the |
| * "Add-call" button. We allow you to add a second call but not a third or beyond. |
| * |
| * @param call The call to test for add-call. |
| * @return Whether the add-call feature should be enabled for the call. |
| */ |
| protected boolean isAddCallCapable(Call call) { |
| if (call.getParentCall() != null) { |
| // Never true for child calls. |
| return false; |
| } |
| |
| // Loop through all the other calls and there exists a top level (has no parent) call |
| // that is not the specified call, return false. |
| for (Call otherCall : mCalls) { |
| if (call != otherCall && otherCall.getParentCall() == null) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Returns the first call that it finds with the given states. The states are treated as having |
| * priority order so that any call with the first state will be returned before any call with |
| * states listed later in the parameter list. |
| */ |
| Call getFirstCallWithState(int... states) { |
| for (int currentState : states) { |
| // check the foreground first |
| if (mForegroundCall != null && mForegroundCall.getState() == currentState) { |
| return mForegroundCall; |
| } |
| |
| for (Call call : mCalls) { |
| if (currentState == call.getState()) { |
| return call; |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Adds the specified call to the main list of live calls. |
| * |
| * @param call The call to add. |
| */ |
| private void addCall(Call call) { |
| Log.v(this, "addCall(%s)", call); |
| |
| call.addListener(this); |
| mCalls.add(call); |
| |
| // TODO: Update mForegroundCall prior to invoking |
| // onCallAdded for calls which immediately take the foreground (like the first call). |
| for (CallsManagerListener listener : mListeners) { |
| listener.onCallAdded(call); |
| } |
| updateForegroundCall(); |
| } |
| |
| private void removeCall(Call call) { |
| Log.v(this, "removeCall(%s)", call); |
| |
| call.removeListener(this); |
| call.clearConnectionService(); |
| |
| boolean shouldNotify = false; |
| if (mCalls.contains(call)) { |
| mCalls.remove(call); |
| shouldNotify = true; |
| } |
| |
| // Only broadcast changes for calls that are being tracked. |
| if (shouldNotify) { |
| for (CallsManagerListener listener : mListeners) { |
| listener.onCallRemoved(call); |
| } |
| updateForegroundCall(); |
| } |
| } |
| |
| /** |
| * Sets the specified state on the specified call. |
| * |
| * @param call The call. |
| * @param newState The new state of the call. |
| */ |
| private void setCallState(Call call, int newState) { |
| if (call == null) { |
| return; |
| } |
| int oldState = call.getState(); |
| Log.i(this, "setCallState %s -> %s, call: %s", oldState, newState, call); |
| if (newState != oldState) { |
| // Unfortunately, in the telephony world the radio is king. So if the call notifies |
| // us that the call is in a particular state, we allow it even if it doesn't make |
| // sense (e.g., STATE_ACTIVE -> STATE_RINGING). |
| // TODO: Consider putting a stop to the above and turning CallState |
| // into a well-defined state machine. |
| // TODO: Define expected state transitions here, and log when an |
| // unexpected transition occurs. |
| call.setState(newState); |
| |
| // Only broadcast state change for calls that are being tracked. |
| if (mCalls.contains(call)) { |
| for (CallsManagerListener listener : mListeners) { |
| listener.onCallStateChanged(call, oldState, newState); |
| } |
| updateForegroundCall(); |
| } |
| } |
| } |
| |
| /** |
| * Checks which call should be visible to the user and have audio focus. |
| */ |
| private void updateForegroundCall() { |
| Call newForegroundCall = null; |
| for (Call call : mCalls) { |
| // TODO: Foreground-ness needs to be explicitly set. No call, regardless |
| // of its state will be foreground by default and instead the connection service should |
| // be notified when its calls enter and exit foreground state. Foreground will mean that |
| // the call should play audio and listen to microphone if it wants. |
| |
| // Active calls have priority. |
| if (call.isActive()) { |
| newForegroundCall = call; |
| break; |
| } |
| |
| if (call.isAlive() || call.getState() == CallState.RINGING) { |
| newForegroundCall = call; |
| // Don't break in case there's an active call that has priority. |
| } |
| } |
| |
| if (newForegroundCall != mForegroundCall) { |
| Log.v(this, "Updating foreground call, %s -> %s.", mForegroundCall, newForegroundCall); |
| Call oldForegroundCall = mForegroundCall; |
| mForegroundCall = newForegroundCall; |
| |
| for (CallsManagerListener listener : mListeners) { |
| listener.onForegroundCallChanged(oldForegroundCall, mForegroundCall); |
| } |
| } |
| } |
| |
| private boolean isPotentialMMICode(Uri handle) { |
| return (handle != null && handle.getSchemeSpecificPart() != null |
| && handle.getSchemeSpecificPart().contains("#")); |
| } |
| } |