/* * 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.incallui; import android.content.Context; import android.content.Intent; import android.graphics.Point; import android.os.Bundle; import android.os.Handler; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.annotation.VisibleForTesting; import android.support.v4.os.UserManagerCompat; import android.telecom.Call.Details; import android.telecom.DisconnectCause; import android.telecom.PhoneAccount; import android.telecom.PhoneAccountHandle; import android.telecom.TelecomManager; import android.telecom.VideoProfile; import android.telephony.PhoneStateListener; import android.telephony.TelephonyManager; import android.view.Window; import android.view.WindowManager; import com.android.contacts.common.compat.CallCompat; import com.android.dialer.blocking.FilteredNumberAsyncQueryHandler; import com.android.dialer.blocking.FilteredNumberAsyncQueryHandler.OnCheckBlockedListener; import com.android.dialer.blocking.FilteredNumberCompat; import com.android.dialer.blocking.FilteredNumbersUtil; import com.android.dialer.common.LogUtil; import com.android.dialer.enrichedcall.EnrichedCallComponent; import com.android.dialer.location.GeoUtil; import com.android.dialer.logging.InteractionEvent; import com.android.dialer.logging.Logger; import com.android.dialer.postcall.PostCall; import com.android.dialer.telecom.TelecomUtil; import com.android.dialer.util.TouchPointManager; import com.android.incallui.InCallOrientationEventListener.ScreenOrientation; import com.android.incallui.answerproximitysensor.PseudoScreenState; import com.android.incallui.call.CallList; import com.android.incallui.call.DialerCall; import com.android.incallui.call.ExternalCallList; import com.android.incallui.call.TelecomAdapter; import com.android.incallui.latencyreport.LatencyReport; import com.android.incallui.legacyblocking.BlockedNumberContentObserver; import com.android.incallui.spam.SpamCallListListener; import com.android.incallui.util.TelecomCallUtil; import com.android.incallui.videosurface.bindings.VideoSurfaceBindings; import com.android.incallui.videosurface.protocol.VideoSurfaceTexture; import com.android.incallui.videotech.utils.VideoUtils; import java.util.Collections; import java.util.List; import java.util.Objects; import java.util.Set; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.CopyOnWriteArrayList; import java.util.concurrent.atomic.AtomicBoolean; /** * Takes updates from the CallList and notifies the InCallActivity (UI) of the changes. Responsible * for starting the activity for a new call and finishing the activity when all calls are * disconnected. Creates and manages the in-call state and provides a listener pattern for the * presenters that want to listen in on the in-call state changes. TODO: This class has become more * of a state machine at this point. Consider renaming. */ public class InCallPresenter implements CallList.Listener { private static final String EXTRA_FIRST_TIME_SHOWN = "com.android.incallui.intent.extra.FIRST_TIME_SHOWN"; private static final long BLOCK_QUERY_TIMEOUT_MS = 1000; private static final Bundle EMPTY_EXTRAS = new Bundle(); private static InCallPresenter sInCallPresenter; /** * ConcurrentHashMap constructor params: 8 is initial table size, 0.9f is load factor before * resizing, 1 means we only expect a single thread to access the map so make only a single shard */ private final Set mListeners = Collections.newSetFromMap(new ConcurrentHashMap(8, 0.9f, 1)); private final List mIncomingCallListeners = new CopyOnWriteArrayList<>(); private final Set mDetailsListeners = Collections.newSetFromMap(new ConcurrentHashMap(8, 0.9f, 1)); private final Set mCanAddCallListeners = Collections.newSetFromMap(new ConcurrentHashMap(8, 0.9f, 1)); private final Set mInCallUiListeners = Collections.newSetFromMap(new ConcurrentHashMap(8, 0.9f, 1)); private final Set mOrientationListeners = Collections.newSetFromMap( new ConcurrentHashMap(8, 0.9f, 1)); private final Set mInCallEventListeners = Collections.newSetFromMap(new ConcurrentHashMap(8, 0.9f, 1)); private StatusBarNotifier mStatusBarNotifier; private ExternalCallNotifier mExternalCallNotifier; private ContactInfoCache mContactInfoCache; private Context mContext; private final OnCheckBlockedListener mOnCheckBlockedListener = new OnCheckBlockedListener() { @Override public void onCheckComplete(final Integer id) { if (id != null && id != FilteredNumberAsyncQueryHandler.INVALID_ID) { // Silence the ringer now to prevent ringing and vibration before the call is // terminated when Telecom attempts to add it. TelecomUtil.silenceRinger(mContext); } } }; private CallList mCallList; private ExternalCallList mExternalCallList; private InCallActivity mInCallActivity; private ManageConferenceActivity mManageConferenceActivity; private final android.telecom.Call.Callback mCallCallback = new android.telecom.Call.Callback() { @Override public void onPostDialWait( android.telecom.Call telecomCall, String remainingPostDialSequence) { final DialerCall call = mCallList.getDialerCallFromTelecomCall(telecomCall); if (call == null) { Log.w(this, "DialerCall not found in call list: " + telecomCall); return; } onPostDialCharWait(call.getId(), remainingPostDialSequence); } @Override public void onDetailsChanged( android.telecom.Call telecomCall, android.telecom.Call.Details details) { final DialerCall call = mCallList.getDialerCallFromTelecomCall(telecomCall); if (call == null) { Log.w(this, "DialerCall not found in call list: " + telecomCall); return; } if (details.hasProperty(Details.PROPERTY_IS_EXTERNAL_CALL) && !mExternalCallList.isCallTracked(telecomCall)) { // A regular call became an external call so swap call lists. Log.i(this, "Call became external: " + telecomCall); mCallList.onInternalCallMadeExternal(mContext, telecomCall); mExternalCallList.onCallAdded(telecomCall); return; } for (InCallDetailsListener listener : mDetailsListeners) { listener.onDetailsChanged(call, details); } } @Override public void onConferenceableCallsChanged( android.telecom.Call telecomCall, List conferenceableCalls) { Log.i(this, "onConferenceableCallsChanged: " + telecomCall); onDetailsChanged(telecomCall, telecomCall.getDetails()); } }; private InCallState mInCallState = InCallState.NO_CALLS; private ProximitySensor mProximitySensor; private final PseudoScreenState mPseudoScreenState = new PseudoScreenState(); private boolean mServiceConnected; private InCallCameraManager mInCallCameraManager; private FilteredNumberAsyncQueryHandler mFilteredQueryHandler; private CallList.Listener mSpamCallListListener; /** Whether or not we are currently bound and waiting for Telecom to send us a new call. */ private boolean mBoundAndWaitingForOutgoingCall; /** Determines if the InCall UI is in fullscreen mode or not. */ private boolean mIsFullScreen = false; private PhoneStateListener mPhoneStateListener = new PhoneStateListener() { @Override public void onCallStateChanged(int state, String incomingNumber) { if (state == TelephonyManager.CALL_STATE_RINGING) { if (FilteredNumbersUtil.hasRecentEmergencyCall(mContext)) { return; } // Check if the number is blocked, to silence the ringer. String countryIso = GeoUtil.getCurrentCountryIso(mContext); mFilteredQueryHandler.isBlockedNumber( mOnCheckBlockedListener, incomingNumber, countryIso); } } }; /** * Is true when the activity has been previously started. Some code needs to know not just if the * activity is currently up, but if it had been previously shown in foreground for this in-call * session (e.g., StatusBarNotifier). This gets reset when the session ends in the tear-down * method. */ private boolean mIsActivityPreviouslyStarted = false; /** Whether or not InCallService is bound to Telecom. */ private boolean mServiceBound = false; /** * When configuration changes Android kills the current activity and starts a new one. The flag is * used to check if full clean up is necessary (activity is stopped and new activity won't be * started), or if a new activity will be started right after the current one is destroyed, and * therefore no need in release all resources. */ private boolean mIsChangingConfigurations = false; private boolean mAwaitingCallListUpdate = false; private ExternalCallList.ExternalCallListener mExternalCallListener = new ExternalCallList.ExternalCallListener() { @Override public void onExternalCallPulled(android.telecom.Call call) { // Note: keep this code in sync with InCallPresenter#onCallAdded LatencyReport latencyReport = new LatencyReport(call); latencyReport.onCallBlockingDone(); // Note: External calls do not require spam checking. mCallList.onCallAdded(mContext, call, latencyReport); call.registerCallback(mCallCallback); } @Override public void onExternalCallAdded(android.telecom.Call call) { // No-op } @Override public void onExternalCallRemoved(android.telecom.Call call) { // No-op } @Override public void onExternalCallUpdated(android.telecom.Call call) { // No-op } }; private ThemeColorManager mThemeColorManager; private VideoSurfaceTexture mLocalVideoSurfaceTexture; private VideoSurfaceTexture mRemoteVideoSurfaceTexture; /** Inaccessible constructor. Must use getRunningInstance() to get this singleton. */ @VisibleForTesting InCallPresenter() {} public static synchronized InCallPresenter getInstance() { if (sInCallPresenter == null) { sInCallPresenter = new InCallPresenter(); } return sInCallPresenter; } @VisibleForTesting public static synchronized void setInstanceForTesting(InCallPresenter inCallPresenter) { sInCallPresenter = inCallPresenter; } /** * Determines whether or not a call has no valid phone accounts that can be used to make the call * with. Emergency calls do not require a phone account. * * @param call to check accounts for. * @return {@code true} if the call has no call capable phone accounts set, {@code false} if the * call contains a phone account that could be used to initiate it with, or is an emergency * call. */ public static boolean isCallWithNoValidAccounts(DialerCall call) { if (call != null && !call.isEmergencyCall()) { Bundle extras = call.getIntentExtras(); if (extras == null) { extras = EMPTY_EXTRAS; } final List phoneAccountHandles = extras.getParcelableArrayList(android.telecom.Call.AVAILABLE_PHONE_ACCOUNTS); if ((call.getAccountHandle() == null && (phoneAccountHandles == null || phoneAccountHandles.isEmpty()))) { Log.i(InCallPresenter.getInstance(), "No valid accounts for call " + call); return true; } } return false; } public InCallState getInCallState() { return mInCallState; } public CallList getCallList() { return mCallList; } public void setUp( @NonNull Context context, CallList callList, ExternalCallList externalCallList, StatusBarNotifier statusBarNotifier, ExternalCallNotifier externalCallNotifier, ContactInfoCache contactInfoCache, ProximitySensor proximitySensor, FilteredNumberAsyncQueryHandler filteredNumberQueryHandler) { if (mServiceConnected) { Log.i(this, "New service connection replacing existing one."); if (context != mContext || callList != mCallList) { throw new IllegalStateException(); } return; } Objects.requireNonNull(context); mContext = context; mContactInfoCache = contactInfoCache; mStatusBarNotifier = statusBarNotifier; mExternalCallNotifier = externalCallNotifier; addListener(mStatusBarNotifier); EnrichedCallComponent.get(mContext) .getEnrichedCallManager() .registerStateChangedListener(mStatusBarNotifier); mProximitySensor = proximitySensor; addListener(mProximitySensor); mThemeColorManager = new ThemeColorManager(new InCallUIMaterialColorMapUtils(mContext.getResources())); mCallList = callList; mExternalCallList = externalCallList; externalCallList.addExternalCallListener(mExternalCallNotifier); externalCallList.addExternalCallListener(mExternalCallListener); // This only gets called by the service so this is okay. mServiceConnected = true; // The final thing we do in this set up is add ourselves as a listener to CallList. This // will kick off an update and the whole process can start. mCallList.addListener(this); // Create spam call list listener and add it to the list of listeners mSpamCallListListener = new SpamCallListListener(context); mCallList.addListener(mSpamCallListListener); VideoPauseController.getInstance().setUp(this); mFilteredQueryHandler = filteredNumberQueryHandler; mContext .getSystemService(TelephonyManager.class) .listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE); Log.d(this, "Finished InCallPresenter.setUp"); } /** * Called when the telephony service has disconnected from us. This will happen when there are no * more active calls. However, we may still want to continue showing the UI for certain cases like * showing "Call Ended". What we really want is to wait for the activity and the service to both * disconnect before we tear things down. This method sets a serviceConnected boolean and calls a * secondary method that performs the aforementioned logic. */ public void tearDown() { Log.d(this, "tearDown"); mCallList.clearOnDisconnect(); mServiceConnected = false; mContext .getSystemService(TelephonyManager.class) .listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE); attemptCleanup(); VideoPauseController.getInstance().tearDown(); } private void attemptFinishActivity() { final boolean doFinish = (mInCallActivity != null && isActivityStarted()); Log.i(this, "Hide in call UI: " + doFinish); if (doFinish) { mInCallActivity.setExcludeFromRecents(true); mInCallActivity.finish(); } } /** * Called when the UI ends. Attempts to tear down everything if necessary. See {@link #tearDown()} * for more insight on the tear-down process. */ public void unsetActivity(InCallActivity inCallActivity) { if (inCallActivity == null) { throw new IllegalArgumentException("unregisterActivity cannot be called with null"); } if (mInCallActivity == null) { Log.i(this, "No InCallActivity currently set, no need to unset."); return; } if (mInCallActivity != inCallActivity) { Log.w( this, "Second instance of InCallActivity is trying to unregister when another" + " instance is active. Ignoring."); return; } updateActivity(null); } /** * Updates the current instance of {@link InCallActivity} with the provided one. If a {@code null} * activity is provided, it means that the activity was finished and we should attempt to cleanup. */ private void updateActivity(InCallActivity inCallActivity) { boolean updateListeners = false; boolean doAttemptCleanup = false; if (inCallActivity != null) { if (mInCallActivity == null) { updateListeners = true; Log.i(this, "UI Initialized"); } else { // since setActivity is called onStart(), it can be called multiple times. // This is fine and ignorable, but we do not want to update the world every time // this happens (like going to/from background) so we do not set updateListeners. } mInCallActivity = inCallActivity; mInCallActivity.setExcludeFromRecents(false); // By the time the UI finally comes up, the call may already be disconnected. // If that's the case, we may need to show an error dialog. if (mCallList != null && mCallList.getDisconnectedCall() != null) { maybeShowErrorDialogOnDisconnect(mCallList.getDisconnectedCall()); } // When the UI comes up, we need to first check the in-call state. // If we are showing NO_CALLS, that means that a call probably connected and // then immediately disconnected before the UI was able to come up. // If we dont have any calls, start tearing down the UI instead. // NOTE: This code relies on {@link #mInCallActivity} being set so we run it after // it has been set. if (mInCallState == InCallState.NO_CALLS) { Log.i(this, "UI Initialized, but no calls left. shut down."); attemptFinishActivity(); return; } } else { Log.i(this, "UI Destroyed"); updateListeners = true; mInCallActivity = null; // We attempt cleanup for the destroy case but only after we recalculate the state // to see if we need to come back up or stay shut down. This is why we do the // cleanup after the call to onCallListChange() instead of directly here. doAttemptCleanup = true; } // Messages can come from the telephony layer while the activity is coming up // and while the activity is going down. So in both cases we need to recalculate what // state we should be in after they complete. // Examples: (1) A new incoming call could come in and then get disconnected before // the activity is created. // (2) All calls could disconnect and then get a new incoming call before the // activity is destroyed. // // b/1122139 - We previously had a check for mServiceConnected here as well, but there are // cases where we need to recalculate the current state even if the service in not // connected. In particular the case where startOrFinish() is called while the app is // already finish()ing. In that case, we skip updating the state with the knowledge that // we will check again once the activity has finished. That means we have to recalculate the // state here even if the service is disconnected since we may not have finished a state // transition while finish()ing. if (updateListeners) { onCallListChange(mCallList); } if (doAttemptCleanup) { attemptCleanup(); } } public void setManageConferenceActivity( @Nullable ManageConferenceActivity manageConferenceActivity) { mManageConferenceActivity = manageConferenceActivity; } public void onBringToForeground(boolean showDialpad) { Log.i(this, "Bringing UI to foreground."); bringToForeground(showDialpad); } public void onCallAdded(final android.telecom.Call call) { LatencyReport latencyReport = new LatencyReport(call); if (shouldAttemptBlocking(call)) { maybeBlockCall(call, latencyReport); } else { if (call.getDetails().hasProperty(CallCompat.Details.PROPERTY_IS_EXTERNAL_CALL)) { mExternalCallList.onCallAdded(call); } else { latencyReport.onCallBlockingDone(); mCallList.onCallAdded(mContext, call, latencyReport); } } // Since a call has been added we are no longer waiting for Telecom to send us a call. setBoundAndWaitingForOutgoingCall(false, null); call.registerCallback(mCallCallback); } private boolean shouldAttemptBlocking(android.telecom.Call call) { if (call.getState() != android.telecom.Call.STATE_RINGING) { return false; } if (!UserManagerCompat.isUserUnlocked(mContext)) { LogUtil.i( "InCallPresenter.shouldAttemptBlocking", "not attempting to block incoming call because user is locked"); return false; } if (TelecomCallUtil.isEmergencyCall(call)) { Log.i(this, "Not attempting to block incoming emergency call"); return false; } if (FilteredNumbersUtil.hasRecentEmergencyCall(mContext)) { Log.i(this, "Not attempting to block incoming call due to recent emergency call"); return false; } if (call.getDetails().hasProperty(CallCompat.Details.PROPERTY_IS_EXTERNAL_CALL)) { return false; } if (FilteredNumberCompat.useNewFiltering(mContext)) { LogUtil.i( "InCallPresenter.shouldAttemptBlocking", "not attempting to block incoming call because framework blocking is in use"); return false; } return true; } /** * Checks whether a call should be blocked, and blocks it if so. Otherwise, it adds the call to * the CallList so it can proceed as normal. There is a timeout, so if the function for checking * whether a function is blocked does not return in a reasonable time, we proceed with adding the * call anyways. */ private void maybeBlockCall(final android.telecom.Call call, final LatencyReport latencyReport) { final String countryIso = GeoUtil.getCurrentCountryIso(mContext); final String number = TelecomCallUtil.getNumber(call); final long timeAdded = System.currentTimeMillis(); // Though AtomicBoolean's can be scary, don't fear, as in this case it is only used on the // main UI thread. It is needed so we can change its value within different scopes, since // that cannot be done with a final boolean. final AtomicBoolean hasTimedOut = new AtomicBoolean(false); final Handler handler = new Handler(); // Proceed if the query is slow; the call may still be blocked after the query returns. final Runnable runnable = new Runnable() { @Override public void run() { hasTimedOut.set(true); latencyReport.onCallBlockingDone(); mCallList.onCallAdded(mContext, call, latencyReport); } }; handler.postDelayed(runnable, BLOCK_QUERY_TIMEOUT_MS); OnCheckBlockedListener onCheckBlockedListener = new OnCheckBlockedListener() { @Override public void onCheckComplete(final Integer id) { if (isReadyForTearDown()) { Log.i(this, "InCallPresenter is torn down, not adding call"); return; } if (!hasTimedOut.get()) { handler.removeCallbacks(runnable); } if (id == null) { if (!hasTimedOut.get()) { latencyReport.onCallBlockingDone(); mCallList.onCallAdded(mContext, call, latencyReport); } } else if (id == FilteredNumberAsyncQueryHandler.INVALID_ID) { Log.d(this, "checkForBlockedCall: invalid number, skipping block checking"); if (!hasTimedOut.get()) { handler.removeCallbacks(runnable); latencyReport.onCallBlockingDone(); mCallList.onCallAdded(mContext, call, latencyReport); } } else { Log.i(this, "Rejecting incoming call from blocked number"); call.reject(false, null); Logger.get(mContext).logInteraction(InteractionEvent.Type.CALL_BLOCKED); /* * If mContext is null, then the InCallPresenter was torn down before the * block check had a chance to complete. The context is no longer valid, so * don't attempt to remove the call log entry. */ if (mContext == null) { return; } // Register observer to update the call log. // BlockedNumberContentObserver will unregister after successful log or timeout. BlockedNumberContentObserver contentObserver = new BlockedNumberContentObserver(mContext, new Handler(), number, timeAdded); contentObserver.register(); } } }; mFilteredQueryHandler.isBlockedNumber(onCheckBlockedListener, number, countryIso); } public void onCallRemoved(android.telecom.Call call) { if (call.getDetails().hasProperty(CallCompat.Details.PROPERTY_IS_EXTERNAL_CALL)) { mExternalCallList.onCallRemoved(call); } else { mCallList.onCallRemoved(mContext, call); call.unregisterCallback(mCallCallback); } } public void onCanAddCallChanged(boolean canAddCall) { for (CanAddCallListener listener : mCanAddCallListeners) { listener.onCanAddCallChanged(canAddCall); } } @Override public void onWiFiToLteHandover(DialerCall call) { if (mInCallActivity != null) { mInCallActivity.onWiFiToLteHandover(call); } } @Override public void onHandoverToWifiFailed(DialerCall call) { if (mInCallActivity != null) { mInCallActivity.onHandoverToWifiFailed(call); } } @Override public void onInternationalCallOnWifi(@NonNull DialerCall call) { LogUtil.enterBlock("InCallPresenter.onInternationalCallOnWifi"); if (mInCallActivity != null) { mInCallActivity.onInternationalCallOnWifi(call); } } /** * Called when there is a change to the call list. Sets the In-Call state for the entire in-call * app based on the information it gets from CallList. Dispatches the in-call state to all * listeners. Can trigger the creation or destruction of the UI based on the states that is * calculates. */ @Override public void onCallListChange(CallList callList) { if (mInCallActivity != null && mInCallActivity.isInCallScreenAnimating()) { mAwaitingCallListUpdate = true; return; } if (callList == null) { return; } mAwaitingCallListUpdate = false; InCallState newState = getPotentialStateFromCallList(callList); InCallState oldState = mInCallState; Log.d(this, "onCallListChange oldState= " + oldState + " newState=" + newState); // If the user placed a call and was asked to choose the account, but then pressed "Home", the // incall activity for that call will still exist (even if it's not visible). In the case of // an incoming call in that situation, just disconnect that "waiting for account" call and // dismiss the dialog. The same activity will be reused to handle the new incoming call. See // b/33247755 for more details. DialerCall waitingForAccountCall; if (newState == InCallState.INCOMING && (waitingForAccountCall = callList.getWaitingForAccountCall()) != null) { waitingForAccountCall.disconnect(); mInCallActivity.dismissPendingDialogs(); } newState = startOrFinishUi(newState); Log.d(this, "onCallListChange newState changed to " + newState); // Set the new state before announcing it to the world Log.i(this, "Phone switching state: " + oldState + " -> " + newState); mInCallState = newState; // notify listeners of new state for (InCallStateListener listener : mListeners) { Log.d(this, "Notify " + listener + " of state " + mInCallState.toString()); listener.onStateChange(oldState, mInCallState, callList); } if (isActivityStarted()) { final boolean hasCall = callList.getActiveOrBackgroundCall() != null || callList.getOutgoingCall() != null; mInCallActivity.dismissKeyguard(hasCall); } } /** Called when there is a new incoming call. */ @Override public void onIncomingCall(DialerCall call) { InCallState newState = startOrFinishUi(InCallState.INCOMING); InCallState oldState = mInCallState; Log.i(this, "Phone switching state: " + oldState + " -> " + newState); mInCallState = newState; for (IncomingCallListener listener : mIncomingCallListeners) { listener.onIncomingCall(oldState, mInCallState, call); } if (mInCallActivity != null) { // Re-evaluate which fragment is being shown. mInCallActivity.onPrimaryCallStateChanged(); } } @Override public void onUpgradeToVideo(DialerCall call) { if (VideoUtils.hasReceivedVideoUpgradeRequest(call.getVideoTech().getSessionModificationState()) && mInCallState == InCallPresenter.InCallState.INCOMING) { LogUtil.i( "InCallPresenter.onUpgradeToVideo", "rejecting upgrade request due to existing incoming call"); call.getVideoTech().declineVideoRequest(); } if (mInCallActivity != null) { // Re-evaluate which fragment is being shown. mInCallActivity.onPrimaryCallStateChanged(); } } @Override public void onSessionModificationStateChange(DialerCall call) { int newState = call.getVideoTech().getSessionModificationState(); LogUtil.i("InCallPresenter.onSessionModificationStateChange", "state: %d", newState); if (mProximitySensor == null) { LogUtil.i("InCallPresenter.onSessionModificationStateChange", "proximitySensor is null"); return; } mProximitySensor.setIsAttemptingVideoCall( call.hasSentVideoUpgradeRequest() || call.hasReceivedVideoUpgradeRequest()); if (mInCallActivity != null) { // Re-evaluate which fragment is being shown. mInCallActivity.onPrimaryCallStateChanged(); } } /** * Called when a call becomes disconnected. Called everytime an existing call changes from being * connected (incoming/outgoing/active) to disconnected. */ @Override public void onDisconnect(DialerCall call) { maybeShowErrorDialogOnDisconnect(call); // We need to do the run the same code as onCallListChange. onCallListChange(mCallList); if (isActivityStarted()) { mInCallActivity.dismissKeyguard(false); } if (call.isEmergencyCall()) { FilteredNumbersUtil.recordLastEmergencyCallTime(mContext); } if (!mCallList.hasLiveCall() && !call.getLogState().isIncoming && !isSecretCode(call.getNumber()) && !CallerInfoUtils.isVoiceMailNumber(mContext, call)) { PostCall.onCallDisconnected(mContext, call.getNumber(), call.getConnectTimeMillis()); } } private boolean isSecretCode(@Nullable String number) { return number != null && (number.length() <= 8 || number.startsWith("*#*#") || number.endsWith("#*#*")); } /** Given the call list, return the state in which the in-call screen should be. */ public InCallState getPotentialStateFromCallList(CallList callList) { InCallState newState = InCallState.NO_CALLS; if (callList == null) { return newState; } if (callList.getIncomingCall() != null) { newState = InCallState.INCOMING; } else if (callList.getWaitingForAccountCall() != null) { newState = InCallState.WAITING_FOR_ACCOUNT; } else if (callList.getPendingOutgoingCall() != null) { newState = InCallState.PENDING_OUTGOING; } else if (callList.getOutgoingCall() != null) { newState = InCallState.OUTGOING; } else if (callList.getActiveCall() != null || callList.getBackgroundCall() != null || callList.getDisconnectedCall() != null || callList.getDisconnectingCall() != null) { newState = InCallState.INCALL; } if (newState == InCallState.NO_CALLS) { if (mBoundAndWaitingForOutgoingCall) { return InCallState.OUTGOING; } } return newState; } public boolean isBoundAndWaitingForOutgoingCall() { return mBoundAndWaitingForOutgoingCall; } public void setBoundAndWaitingForOutgoingCall(boolean isBound, PhoneAccountHandle handle) { Log.i(this, "setBoundAndWaitingForOutgoingCall: " + isBound); mBoundAndWaitingForOutgoingCall = isBound; mThemeColorManager.setPendingPhoneAccountHandle(handle); if (isBound && mInCallState == InCallState.NO_CALLS) { mInCallState = InCallState.OUTGOING; } } public void onShrinkAnimationComplete() { if (mAwaitingCallListUpdate) { onCallListChange(mCallList); } } public void addIncomingCallListener(IncomingCallListener listener) { Objects.requireNonNull(listener); mIncomingCallListeners.add(listener); } public void removeIncomingCallListener(IncomingCallListener listener) { if (listener != null) { mIncomingCallListeners.remove(listener); } } public void addListener(InCallStateListener listener) { Objects.requireNonNull(listener); mListeners.add(listener); } public void removeListener(InCallStateListener listener) { if (listener != null) { mListeners.remove(listener); } } public void addDetailsListener(InCallDetailsListener listener) { Objects.requireNonNull(listener); mDetailsListeners.add(listener); } public void removeDetailsListener(InCallDetailsListener listener) { if (listener != null) { mDetailsListeners.remove(listener); } } public void addCanAddCallListener(CanAddCallListener listener) { Objects.requireNonNull(listener); mCanAddCallListeners.add(listener); } public void removeCanAddCallListener(CanAddCallListener listener) { if (listener != null) { mCanAddCallListeners.remove(listener); } } public void addOrientationListener(InCallOrientationListener listener) { Objects.requireNonNull(listener); mOrientationListeners.add(listener); } public void removeOrientationListener(InCallOrientationListener listener) { if (listener != null) { mOrientationListeners.remove(listener); } } public void addInCallEventListener(InCallEventListener listener) { Objects.requireNonNull(listener); mInCallEventListeners.add(listener); } public void removeInCallEventListener(InCallEventListener listener) { if (listener != null) { mInCallEventListeners.remove(listener); } } public ProximitySensor getProximitySensor() { return mProximitySensor; } public PseudoScreenState getPseudoScreenState() { return mPseudoScreenState; } /** Returns true if the incall app is the foreground application. */ public boolean isShowingInCallUi() { if (!isActivityStarted()) { return false; } if (mManageConferenceActivity != null && mManageConferenceActivity.isVisible()) { return true; } return mInCallActivity.isVisible(); } /** * Returns true if the activity has been created and is running. Returns true as long as activity * is not destroyed or finishing. This ensures that we return true even if the activity is paused * (not in foreground). */ public boolean isActivityStarted() { return (mInCallActivity != null && !mInCallActivity.isDestroyed() && !mInCallActivity.isFinishing()); } /** * Determines if the In-Call app is currently changing configuration. * * @return {@code true} if the In-Call app is changing configuration. */ public boolean isChangingConfigurations() { return mIsChangingConfigurations; } /** * Tracks whether the In-Call app is currently in the process of changing configuration (i.e. * screen orientation). */ /*package*/ void updateIsChangingConfigurations() { mIsChangingConfigurations = false; if (mInCallActivity != null) { mIsChangingConfigurations = mInCallActivity.isChangingConfigurations(); } Log.v(this, "updateIsChangingConfigurations = " + mIsChangingConfigurations); } /** Called when the activity goes in/out of the foreground. */ public void onUiShowing(boolean showing) { // We need to update the notification bar when we leave the UI because that // could trigger it to show again. if (mStatusBarNotifier != null) { mStatusBarNotifier.updateNotification(mCallList); } if (mProximitySensor != null) { mProximitySensor.onInCallShowing(showing); } Intent broadcastIntent = Bindings.get(mContext).getUiReadyBroadcastIntent(mContext); if (broadcastIntent != null) { broadcastIntent.putExtra(EXTRA_FIRST_TIME_SHOWN, !mIsActivityPreviouslyStarted); if (showing) { Log.d(this, "Sending sticky broadcast: ", broadcastIntent); mContext.sendStickyBroadcast(broadcastIntent); } else { Log.d(this, "Removing sticky broadcast: ", broadcastIntent); mContext.removeStickyBroadcast(broadcastIntent); } } if (showing) { mIsActivityPreviouslyStarted = true; } else { updateIsChangingConfigurations(); } for (InCallUiListener listener : mInCallUiListeners) { listener.onUiShowing(showing); } if (mInCallActivity != null) { // Re-evaluate which fragment is being shown. mInCallActivity.onPrimaryCallStateChanged(); } } public void addInCallUiListener(InCallUiListener listener) { mInCallUiListeners.add(listener); } public boolean removeInCallUiListener(InCallUiListener listener) { return mInCallUiListeners.remove(listener); } /*package*/ void onActivityStarted() { Log.d(this, "onActivityStarted"); notifyVideoPauseController(true); if (mStatusBarNotifier != null) { // TODO - b/36649622: Investigate this redundant call mStatusBarNotifier.updateNotification(mCallList); } } /*package*/ void onActivityStopped() { Log.d(this, "onActivityStopped"); notifyVideoPauseController(false); } private void notifyVideoPauseController(boolean showing) { Log.d( this, "notifyVideoPauseController: mIsChangingConfigurations=" + mIsChangingConfigurations); if (!mIsChangingConfigurations) { VideoPauseController.getInstance().onUiShowing(showing); } } /** Brings the app into the foreground if possible. */ public void bringToForeground(boolean showDialpad) { // Before we bring the incall UI to the foreground, we check to see if: // 1. It is not currently in the foreground // 2. We are in a state where we want to show the incall ui (i.e. there are calls to // be displayed) // If the activity hadn't actually been started previously, yet there are still calls // present (e.g. a call was accepted by a bluetooth or wired headset), we want to // bring it up the UI regardless. if (!isShowingInCallUi() && mInCallState != InCallState.NO_CALLS) { showInCall(showDialpad, false /* newOutgoingCall */); } } public void onPostDialCharWait(String callId, String chars) { if (isActivityStarted()) { mInCallActivity.showPostCharWaitDialog(callId, chars); } } /** * Handles the green CALL key while in-call. * * @return true if we consumed the event. */ public boolean handleCallKey() { LogUtil.v("InCallPresenter.handleCallKey", null); // The green CALL button means either "Answer", "Unhold", or // "Swap calls", or can be a no-op, depending on the current state // of the Phone. /** INCOMING CALL */ final CallList calls = mCallList; final DialerCall incomingCall = calls.getIncomingCall(); LogUtil.v("InCallPresenter.handleCallKey", "incomingCall: " + incomingCall); // (1) Attempt to answer a call if (incomingCall != null) { incomingCall.answer(VideoProfile.STATE_AUDIO_ONLY); return true; } /** STATE_ACTIVE CALL */ final DialerCall activeCall = calls.getActiveCall(); if (activeCall != null) { // TODO: This logic is repeated from CallButtonPresenter.java. We should // consolidate this logic. final boolean canMerge = activeCall.can(android.telecom.Call.Details.CAPABILITY_MERGE_CONFERENCE); final boolean canSwap = activeCall.can(android.telecom.Call.Details.CAPABILITY_SWAP_CONFERENCE); Log.v( this, "activeCall: " + activeCall + ", canMerge: " + canMerge + ", canSwap: " + canSwap); // (2) Attempt actions on conference calls if (canMerge) { TelecomAdapter.getInstance().merge(activeCall.getId()); return true; } else if (canSwap) { TelecomAdapter.getInstance().swap(activeCall.getId()); return true; } } /** BACKGROUND CALL */ final DialerCall heldCall = calls.getBackgroundCall(); if (heldCall != null) { // We have a hold call so presumeable it will always support HOLD...but // there is no harm in double checking. final boolean canHold = heldCall.can(android.telecom.Call.Details.CAPABILITY_HOLD); Log.v(this, "heldCall: " + heldCall + ", canHold: " + canHold); // (4) unhold call if (heldCall.getState() == DialerCall.State.ONHOLD && canHold) { heldCall.unhold(); return true; } } // Always consume hard keys return true; } /** * A dialog could have prevented in-call screen from being previously finished. This function * checks to see if there should be any UI left and if not attempts to tear down the UI. */ public void onDismissDialog() { Log.i(this, "Dialog dismissed"); if (mInCallState == InCallState.NO_CALLS) { attemptFinishActivity(); attemptCleanup(); } } /** Clears the previous fullscreen state. */ public void clearFullscreen() { mIsFullScreen = false; } /** * Changes the fullscreen mode of the in-call UI. * * @param isFullScreen {@code true} if in-call should be in fullscreen mode, {@code false} * otherwise. */ public void setFullScreen(boolean isFullScreen) { setFullScreen(isFullScreen, false /* force */); } /** * Changes the fullscreen mode of the in-call UI. * * @param isFullScreen {@code true} if in-call should be in fullscreen mode, {@code false} * otherwise. * @param force {@code true} if fullscreen mode should be set regardless of its current state. */ public void setFullScreen(boolean isFullScreen, boolean force) { Log.i(this, "setFullScreen = " + isFullScreen); // As a safeguard, ensure we cannot enter fullscreen if the dialpad is shown. if (isDialpadVisible()) { isFullScreen = false; Log.v(this, "setFullScreen overridden as dialpad is shown = " + isFullScreen); } if (mIsFullScreen == isFullScreen && !force) { Log.v(this, "setFullScreen ignored as already in that state."); return; } mIsFullScreen = isFullScreen; notifyFullscreenModeChange(mIsFullScreen); } /** * @return {@code true} if the in-call ui is currently in fullscreen mode, {@code false} * otherwise. */ public boolean isFullscreen() { return mIsFullScreen; } /** * Called by the {@link VideoCallPresenter} to inform of a change in full screen video status. * * @param isFullscreenMode {@code True} if entering full screen mode. */ public void notifyFullscreenModeChange(boolean isFullscreenMode) { for (InCallEventListener listener : mInCallEventListeners) { listener.onFullscreenModeChanged(isFullscreenMode); } } /** * For some disconnected causes, we show a dialog. This calls into the activity to show the dialog * if appropriate for the call. */ private void maybeShowErrorDialogOnDisconnect(DialerCall call) { // For newly disconnected calls, we may want to show a dialog on specific error conditions if (isActivityStarted() && call.getState() == DialerCall.State.DISCONNECTED) { if (call.getAccountHandle() == null && !call.isConferenceCall()) { setDisconnectCauseForMissingAccounts(call); } mInCallActivity.maybeShowErrorDialogOnDisconnect(call.getDisconnectCause()); } } /** * When the state of in-call changes, this is the first method to get called. It determines if the * UI needs to be started or finished depending on the new state and does it. */ private InCallState startOrFinishUi(InCallState newState) { Log.d(this, "startOrFinishUi: " + mInCallState + " -> " + newState); // TODO: Consider a proper state machine implementation // If the state isn't changing we have already done any starting/stopping of activities in // a previous pass...so lets cut out early if (newState == mInCallState) { return newState; } // A new Incoming call means that the user needs to be notified of the the call (since // it wasn't them who initiated it). We do this through full screen notifications and // happens indirectly through {@link StatusBarNotifier}. // // The process for incoming calls is as follows: // // 1) CallList - Announces existence of new INCOMING call // 2) InCallPresenter - Gets announcement and calculates that the new InCallState // - should be set to INCOMING. // 3) InCallPresenter - This method is called to see if we need to start or finish // the app given the new state. // 4) StatusBarNotifier - Listens to InCallState changes. InCallPresenter calls // StatusBarNotifier explicitly to issue a FullScreen Notification // that will either start the InCallActivity or show the user a // top-level notification dialog if the user is in an immersive app. // That notification can also start the InCallActivity. // 5) InCallActivity - Main activity starts up and at the end of its onCreate will // call InCallPresenter::setActivity() to let the presenter // know that start-up is complete. // // [ AND NOW YOU'RE IN THE CALL. voila! ] // // Our app is started using a fullScreen notification. We need to do this whenever // we get an incoming call. Depending on the current context of the device, either a // incoming call HUN or the actual InCallActivity will be shown. final boolean startIncomingCallSequence = (InCallState.INCOMING == newState); // A dialog to show on top of the InCallUI to select a PhoneAccount final boolean showAccountPicker = (InCallState.WAITING_FOR_ACCOUNT == newState); // A new outgoing call indicates that the user just now dialed a number and when that // happens we need to display the screen immediately or show an account picker dialog if // no default is set. However, if the main InCallUI is already visible, we do not want to // re-initiate the start-up animation, so we do not need to do anything here. // // It is also possible to go into an intermediate state where the call has been initiated // but Telecom has not yet returned with the details of the call (handle, gateway, etc.). // This pending outgoing state can also launch the call screen. // // This is different from the incoming call sequence because we do not need to shock the // user with a top-level notification. Just show the call UI normally. boolean callCardFragmentVisible = mInCallActivity != null && mInCallActivity.getCallCardFragmentVisible(); final boolean mainUiNotVisible = !isShowingInCallUi() || !callCardFragmentVisible; boolean showCallUi = InCallState.OUTGOING == newState && mainUiNotVisible; // Direct transition from PENDING_OUTGOING -> INCALL means that there was an error in the // outgoing call process, so the UI should be brought up to show an error dialog. showCallUi |= (InCallState.PENDING_OUTGOING == mInCallState && InCallState.INCALL == newState && !isShowingInCallUi()); // Another exception - InCallActivity is in charge of disconnecting a call with no // valid accounts set. Bring the UI up if this is true for the current pending outgoing // call so that: // 1) The call can be disconnected correctly // 2) The UI comes up and correctly displays the error dialog. // TODO: Remove these special case conditions by making InCallPresenter a true state // machine. Telecom should also be the component responsible for disconnecting a call // with no valid accounts. showCallUi |= InCallState.PENDING_OUTGOING == newState && mainUiNotVisible && isCallWithNoValidAccounts(mCallList.getPendingOutgoingCall()); // The only time that we have an instance of mInCallActivity and it isn't started is // when it is being destroyed. In that case, lets avoid bringing up another instance of // the activity. When it is finally destroyed, we double check if we should bring it back // up so we aren't going to lose anything by avoiding a second startup here. boolean activityIsFinishing = mInCallActivity != null && !isActivityStarted(); if (activityIsFinishing) { Log.i(this, "Undo the state change: " + newState + " -> " + mInCallState); return mInCallState; } // We're about the bring up the in-call UI for outgoing and incoming call. If we still have // dialogs up, we need to clear them out before showing in-call screen. This is necessary // to fix the bug that dialog will show up when data reaches limit even after makeing new // outgoing call after user ignore it by pressing home button. if ((newState == InCallState.INCOMING || newState == InCallState.PENDING_OUTGOING) && !showCallUi && isActivityStarted()) { mInCallActivity.dismissPendingDialogs(); } if (showCallUi || showAccountPicker) { Log.i(this, "Start in call UI"); showInCall(false /* showDialpad */, !showAccountPicker /* newOutgoingCall */); } else if (startIncomingCallSequence) { Log.i(this, "Start Full Screen in call UI"); mStatusBarNotifier.updateNotification(mCallList); } else if (newState == InCallState.NO_CALLS) { // The new state is the no calls state. Tear everything down. attemptFinishActivity(); attemptCleanup(); } return newState; } /** * Sets the DisconnectCause for a call that was disconnected because it was missing a PhoneAccount * or PhoneAccounts to select from. */ private void setDisconnectCauseForMissingAccounts(DialerCall call) { Bundle extras = call.getIntentExtras(); // Initialize the extras bundle to avoid NPE if (extras == null) { extras = new Bundle(); } final List phoneAccountHandles = extras.getParcelableArrayList(android.telecom.Call.AVAILABLE_PHONE_ACCOUNTS); if (phoneAccountHandles == null || phoneAccountHandles.isEmpty()) { String scheme = call.getHandle().getScheme(); final String errorMsg = PhoneAccount.SCHEME_TEL.equals(scheme) ? mContext.getString(R.string.callFailed_simError) : mContext.getString(R.string.incall_error_supp_service_unknown); DisconnectCause disconnectCause = new DisconnectCause(DisconnectCause.ERROR, null, errorMsg, errorMsg); call.setDisconnectCause(disconnectCause); } } /** * @return {@code true} if the InCallPresenter is ready to be torn down, {@code false} otherwise. * Calling classes should use this as an indication whether to interact with the * InCallPresenter or not. */ public boolean isReadyForTearDown() { return mInCallActivity == null && !mServiceConnected && mInCallState == InCallState.NO_CALLS; } /** * Checks to see if both the UI is gone and the service is disconnected. If so, tear it all down. */ private void attemptCleanup() { if (isReadyForTearDown()) { Log.i(this, "Cleaning up"); cleanupSurfaces(); mIsActivityPreviouslyStarted = false; mIsChangingConfigurations = false; // blow away stale contact info so that we get fresh data on // the next set of calls if (mContactInfoCache != null) { mContactInfoCache.clearCache(); } mContactInfoCache = null; if (mProximitySensor != null) { removeListener(mProximitySensor); mProximitySensor.tearDown(); } mProximitySensor = null; if (mStatusBarNotifier != null) { removeListener(mStatusBarNotifier); EnrichedCallComponent.get(mContext) .getEnrichedCallManager() .unregisterStateChangedListener(mStatusBarNotifier); } if (mExternalCallNotifier != null && mExternalCallList != null) { mExternalCallList.removeExternalCallListener(mExternalCallNotifier); } mStatusBarNotifier = null; if (mCallList != null) { mCallList.removeListener(this); mCallList.removeListener(mSpamCallListListener); } mCallList = null; mContext = null; mInCallActivity = null; mManageConferenceActivity = null; mListeners.clear(); mIncomingCallListeners.clear(); mDetailsListeners.clear(); mCanAddCallListeners.clear(); mOrientationListeners.clear(); mInCallEventListeners.clear(); mInCallUiListeners.clear(); Log.d(this, "Finished InCallPresenter.CleanUp"); } } public void showInCall(boolean showDialpad, boolean newOutgoingCall) { Log.i(this, "Showing InCallActivity"); mContext.startActivity( InCallActivity.getIntent( mContext, showDialpad, newOutgoingCall, false /* forFullScreen */)); } public void onServiceBind() { mServiceBound = true; } public void onServiceUnbind() { InCallPresenter.getInstance().setBoundAndWaitingForOutgoingCall(false, null); mServiceBound = false; } public boolean isServiceBound() { return mServiceBound; } public void maybeStartRevealAnimation(Intent intent) { if (intent == null || mInCallActivity != null) { return; } final Bundle extras = intent.getBundleExtra(TelecomManager.EXTRA_OUTGOING_CALL_EXTRAS); if (extras == null) { // Incoming call, just show the in-call UI directly. return; } if (extras.containsKey(android.telecom.Call.AVAILABLE_PHONE_ACCOUNTS)) { // Account selection dialog will show up so don't show the animation. return; } final PhoneAccountHandle accountHandle = intent.getParcelableExtra(TelecomManager.EXTRA_PHONE_ACCOUNT_HANDLE); final Point touchPoint = extras.getParcelable(TouchPointManager.TOUCH_POINT); InCallPresenter.getInstance().setBoundAndWaitingForOutgoingCall(true, accountHandle); final Intent activityIntent = InCallActivity.getIntent(mContext, false, true, false /* forFullScreen */); activityIntent.putExtra(TouchPointManager.TOUCH_POINT, touchPoint); mContext.startActivity(activityIntent); } /** * Retrieves the current in-call camera manager instance, creating if necessary. * * @return The {@link InCallCameraManager}. */ public InCallCameraManager getInCallCameraManager() { synchronized (this) { if (mInCallCameraManager == null) { mInCallCameraManager = new InCallCameraManager(mContext); } return mInCallCameraManager; } } /** * Notifies listeners of changes in orientation and notify calls of rotation angle change. * * @param orientation The screen orientation of the device (one of: {@link * InCallOrientationEventListener#SCREEN_ORIENTATION_0}, {@link * InCallOrientationEventListener#SCREEN_ORIENTATION_90}, {@link * InCallOrientationEventListener#SCREEN_ORIENTATION_180}, {@link * InCallOrientationEventListener#SCREEN_ORIENTATION_270}). */ public void onDeviceOrientationChange(@ScreenOrientation int orientation) { Log.d(this, "onDeviceOrientationChange: orientation= " + orientation); if (mCallList != null) { mCallList.notifyCallsOfDeviceRotation(orientation); } else { Log.w(this, "onDeviceOrientationChange: CallList is null."); } // Notify listeners of device orientation changed. for (InCallOrientationListener listener : mOrientationListeners) { listener.onDeviceOrientationChanged(orientation); } } /** * Configures the in-call UI activity so it can change orientations or not. Enables the * orientation event listener if allowOrientationChange is true, disables it if false. * * @param allowOrientationChange {@code true} if the in-call UI can change between portrait and * landscape. {@code false} if the in-call UI should be locked in portrait. */ public void setInCallAllowsOrientationChange(boolean allowOrientationChange) { if (mInCallActivity == null) { Log.e(this, "InCallActivity is null. Can't set requested orientation."); return; } mInCallActivity.setAllowOrientationChange(allowOrientationChange); } public void enableScreenTimeout(boolean enable) { Log.v(this, "enableScreenTimeout: value=" + enable); if (mInCallActivity == null) { Log.e(this, "enableScreenTimeout: InCallActivity is null."); return; } final Window window = mInCallActivity.getWindow(); if (enable) { window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } else { window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } } /** * Hides or shows the conference manager fragment. * * @param show {@code true} if the conference manager should be shown, {@code false} if it should * be hidden. */ public void showConferenceCallManager(boolean show) { if (mInCallActivity != null) { mInCallActivity.showConferenceFragment(show); } if (!show && mManageConferenceActivity != null) { mManageConferenceActivity.finish(); } } /** * Determines if the dialpad is visible. * * @return {@code true} if the dialpad is visible, {@code false} otherwise. */ public boolean isDialpadVisible() { if (mInCallActivity == null) { return false; } return mInCallActivity.isDialpadVisible(); } public ThemeColorManager getThemeColorManager() { return mThemeColorManager; } /** Called when the foreground call changes. */ public void onForegroundCallChanged(DialerCall newForegroundCall) { mThemeColorManager.onForegroundCallChanged(mContext, newForegroundCall); if (mInCallActivity != null) { mInCallActivity.onForegroundCallChanged(newForegroundCall); } } public InCallActivity getActivity() { return mInCallActivity; } /** Called when the UI begins, and starts the callstate callbacks if necessary. */ public void setActivity(InCallActivity inCallActivity) { if (inCallActivity == null) { throw new IllegalArgumentException("registerActivity cannot be called with null"); } if (mInCallActivity != null && mInCallActivity != inCallActivity) { Log.w(this, "Setting a second activity before destroying the first."); } updateActivity(inCallActivity); } ExternalCallNotifier getExternalCallNotifier() { return mExternalCallNotifier; } VideoSurfaceTexture getLocalVideoSurfaceTexture() { if (mLocalVideoSurfaceTexture == null) { mLocalVideoSurfaceTexture = VideoSurfaceBindings.createLocalVideoSurfaceTexture(); } return mLocalVideoSurfaceTexture; } VideoSurfaceTexture getRemoteVideoSurfaceTexture() { if (mRemoteVideoSurfaceTexture == null) { mRemoteVideoSurfaceTexture = VideoSurfaceBindings.createRemoteVideoSurfaceTexture(); } return mRemoteVideoSurfaceTexture; } void cleanupSurfaces() { if (mRemoteVideoSurfaceTexture != null) { mRemoteVideoSurfaceTexture.setDoneWithSurface(); mRemoteVideoSurfaceTexture = null; } if (mLocalVideoSurfaceTexture != null) { mLocalVideoSurfaceTexture.setDoneWithSurface(); mLocalVideoSurfaceTexture = null; } } /** All the main states of InCallActivity. */ public enum InCallState { // InCall Screen is off and there are no calls NO_CALLS, // Incoming-call screen is up INCOMING, // In-call experience is showing INCALL, // Waiting for user input before placing outgoing call WAITING_FOR_ACCOUNT, // UI is starting up but no call has been initiated yet. // The UI is waiting for Telecom to respond. PENDING_OUTGOING, // User is dialing out OUTGOING; public boolean isIncoming() { return (this == INCOMING); } public boolean isConnectingOrConnected() { return (this == INCOMING || this == OUTGOING || this == INCALL); } } /** Interface implemented by classes that need to know about the InCall State. */ public interface InCallStateListener { // TODO: Enhance state to contain the call objects instead of passing CallList void onStateChange(InCallState oldState, InCallState newState, CallList callList); } public interface IncomingCallListener { void onIncomingCall(InCallState oldState, InCallState newState, DialerCall call); } public interface CanAddCallListener { void onCanAddCallChanged(boolean canAddCall); } public interface InCallDetailsListener { void onDetailsChanged(DialerCall call, android.telecom.Call.Details details); } public interface InCallOrientationListener { void onDeviceOrientationChanged(@ScreenOrientation int orientation); } /** * Interface implemented by classes that need to know about events which occur within the In-Call * UI. Used as a means of communicating between fragments that make up the UI. */ public interface InCallEventListener { void onFullscreenModeChanged(boolean isFullscreenMode); } public interface InCallUiListener { void onUiShowing(boolean showing); } }