| /* | 
 |  * 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.CallbackExecutor; | 
 | import android.annotation.NonNull; | 
 | import android.location.Location; | 
 | import android.net.Uri; | 
 | import android.os.Binder; | 
 | import android.os.Bundle; | 
 | import android.os.IBinder.DeathRecipient; | 
 | import android.os.OutcomeReceiver; | 
 | import android.os.RemoteException; | 
 | import android.os.ResultReceiver; | 
 |  | 
 | import com.android.internal.telecom.IConnectionServiceAdapter; | 
 | import com.android.internal.telecom.RemoteServiceCallback; | 
 |  | 
 | import java.util.Collections; | 
 | import java.util.Iterator; | 
 | import java.util.List; | 
 | import java.util.Set; | 
 | import java.util.concurrent.ConcurrentHashMap; | 
 | import java.util.concurrent.Executor; | 
 |  | 
 | /** | 
 |  * Provides methods for IConnectionService implementations to interact with the system phone app. | 
 |  * | 
 |  * @hide | 
 |  */ | 
 | final class ConnectionServiceAdapter implements DeathRecipient { | 
 |     /** | 
 |      * 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<IConnectionServiceAdapter> mAdapters = Collections.newSetFromMap( | 
 |             new ConcurrentHashMap<IConnectionServiceAdapter, Boolean>(8, 0.9f, 1)); | 
 |  | 
 |     ConnectionServiceAdapter() { | 
 |     } | 
 |  | 
 |     void addAdapter(IConnectionServiceAdapter adapter) { | 
 |         for (IConnectionServiceAdapter it : mAdapters) { | 
 |             if (it.asBinder() == adapter.asBinder()) { | 
 |                 Log.w(this, "Ignoring duplicate adapter addition."); | 
 |                 return; | 
 |             } | 
 |         } | 
 |         if (mAdapters.add(adapter)) { | 
 |             try { | 
 |                 adapter.asBinder().linkToDeath(this, 0); | 
 |             } catch (RemoteException e) { | 
 |                 mAdapters.remove(adapter); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void removeAdapter(IConnectionServiceAdapter adapter) { | 
 |         if (adapter != null) { | 
 |             for (IConnectionServiceAdapter it : mAdapters) { | 
 |                 if (it.asBinder() == adapter.asBinder() && mAdapters.remove(it)) { | 
 |                     adapter.asBinder().unlinkToDeath(this, 0); | 
 |                     break; | 
 |                 } | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** ${inheritDoc} */ | 
 |     @Override | 
 |     public void binderDied() { | 
 |         Iterator<IConnectionServiceAdapter> it = mAdapters.iterator(); | 
 |         while (it.hasNext()) { | 
 |             IConnectionServiceAdapter adapter = it.next(); | 
 |             if (!adapter.asBinder().isBinderAlive()) { | 
 |                 it.remove(); | 
 |                 adapter.asBinder().unlinkToDeath(this, 0); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void handleCreateConnectionComplete( | 
 |             String id, | 
 |             ConnectionRequest request, | 
 |             ParcelableConnection connection) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.handleCreateConnectionComplete(id, request, connection, | 
 |                         Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void handleCreateConferenceComplete( | 
 |             String id, | 
 |             ConnectionRequest request, | 
 |             ParcelableConference conference) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.handleCreateConferenceComplete(id, request, conference, | 
 |                         Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets a call's state to active (e.g., an ongoing call where two parties can actively | 
 |      * communicate). | 
 |      * | 
 |      * @param callId The unique ID of the call whose state is changing to active. | 
 |      */ | 
 |     void setActive(String callId) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setActive(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets a call's state to ringing (e.g., an inbound ringing call). | 
 |      * | 
 |      * @param callId The unique ID of the call whose state is changing to ringing. | 
 |      */ | 
 |     void setRinging(String callId) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setRinging(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets a call's state to dialing (e.g., dialing an outbound call). | 
 |      * | 
 |      * @param callId The unique ID of the call whose state is changing to dialing. | 
 |      */ | 
 |     void setDialing(String callId) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setDialing(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets a call's state to pulling (e.g. a call with {@link Connection#PROPERTY_IS_EXTERNAL_CALL} | 
 |      * is being pulled to the local device. | 
 |      * | 
 |      * @param callId The unique ID of the call whose state is changing to dialing. | 
 |      */ | 
 |     void setPulling(String callId) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setPulling(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets a call's state to disconnected. | 
 |      * | 
 |      * @param callId The unique ID of the call whose state is changing to disconnected. | 
 |      * @param disconnectCause The reason for the disconnection, as described by | 
 |      *            {@link android.telecomm.DisconnectCause}. | 
 |      */ | 
 |     void setDisconnected(String callId, DisconnectCause disconnectCause) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setDisconnected(callId, disconnectCause, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets a call's state to be on hold. | 
 |      * | 
 |      * @param callId - The unique ID of the call whose state is changing to be on hold. | 
 |      */ | 
 |     void setOnHold(String callId) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setOnHold(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Asks Telecom to start or stop a ringback tone for a call. | 
 |      * | 
 |      * @param callId The unique ID of the call whose ringback is being changed. | 
 |      * @param ringback Whether Telecom should start playing a ringback tone. | 
 |      */ | 
 |     void setRingbackRequested(String callId, boolean ringback) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setRingbackRequested(callId, ringback, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void setConnectionCapabilities(String callId, int capabilities) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setConnectionCapabilities(callId, capabilities, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void setConnectionProperties(String callId, int properties) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setConnectionProperties(callId, properties, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Indicates whether or not the specified call is currently conferenced into the specified | 
 |      * conference call. | 
 |      * | 
 |      * @param callId The unique ID of the call being conferenced. | 
 |      * @param conferenceCallId The unique ID of the conference call. Null if call is not | 
 |      *            conferenced. | 
 |      */ | 
 |     void setIsConferenced(String callId, String conferenceCallId) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 Log.d(this, "sending connection %s with conference %s", callId, conferenceCallId); | 
 |                 adapter.setIsConferenced(callId, conferenceCallId, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Indicates that the merge request on this call has failed. | 
 |      * | 
 |      * @param callId The unique ID of the call being conferenced. | 
 |      */ | 
 |     void onConferenceMergeFailed(String callId) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 Log.d(this, "merge failed for call %s", callId); | 
 |                 adapter.setConferenceMergeFailed(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |         * Resets the cdma connection time. | 
 |         */ | 
 |     void resetConnectionTime(String callId) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.resetConnectionTime(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Indicates that the call no longer exists. Can be used with either a call or a conference | 
 |      * call. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      */ | 
 |     void removeCall(String callId) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.removeCall(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void onPostDialWait(String callId, String remaining) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.onPostDialWait(callId, remaining, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void onPostDialChar(String callId, char nextChar) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.onPostDialChar(callId, nextChar, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Indicates that a new conference call has been created. | 
 |      * | 
 |      * @param callId The unique ID of the conference call. | 
 |      */ | 
 |     void addConferenceCall(String callId, ParcelableConference parcelableConference) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.addConferenceCall(callId, parcelableConference, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Retrieves a list of remote connection services usable to place calls. | 
 |      */ | 
 |     void queryRemoteConnectionServices(RemoteServiceCallback callback, String callingPackage) { | 
 |         // Only supported when there is only one adapter. | 
 |         if (mAdapters.size() == 1) { | 
 |             try { | 
 |                 mAdapters.iterator().next().queryRemoteConnectionServices(callback, callingPackage, | 
 |                         Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |                 Log.e(this, e, "Exception trying to query for remote CSs"); | 
 |             } | 
 |         } else { | 
 |             try { | 
 |                 // This is not an error condition, so just pass back an empty list. | 
 |                 // This happens when querying from a remote connection service, not the connection | 
 |                 // manager itself. | 
 |                 callback.onResult(Collections.EMPTY_LIST, Collections.EMPTY_LIST); | 
 |             } catch (RemoteException e) { | 
 |                 Log.e(this, e, "Exception trying to query for remote CSs"); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets the call video provider for a call. | 
 |      * | 
 |      * @param callId The unique ID of the call to set with the given call video provider. | 
 |      * @param videoProvider The call video provider instance to set on the call. | 
 |      */ | 
 |     void setVideoProvider( | 
 |             String callId, Connection.VideoProvider videoProvider) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setVideoProvider( | 
 |                         callId, | 
 |                         videoProvider == null ? null : videoProvider.getInterface(), | 
 |                         Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Requests that the framework use VOIP audio mode for this connection. | 
 |      * | 
 |      * @param callId The unique ID of the call to set with the given call video provider. | 
 |      * @param isVoip True if the audio mode is VOIP. | 
 |      */ | 
 |     void setIsVoipAudioMode(String callId, boolean isVoip) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setIsVoipAudioMode(callId, isVoip, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void setStatusHints(String callId, StatusHints statusHints) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setStatusHints(callId, statusHints, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void setAddress(String callId, Uri address, int presentation) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setAddress(callId, address, presentation, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void setCallerDisplayName(String callId, String callerDisplayName, int presentation) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setCallerDisplayName(callId, callerDisplayName, presentation, | 
 |                         Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets the video state associated with a call. | 
 |      * | 
 |      * Valid values: {@link VideoProfile#STATE_BIDIRECTIONAL}, | 
 |      * {@link VideoProfile#STATE_AUDIO_ONLY}, | 
 |      * {@link VideoProfile#STATE_TX_ENABLED}, | 
 |      * {@link VideoProfile#STATE_RX_ENABLED}. | 
 |      * | 
 |      * @param callId The unique ID of the call to set the video state for. | 
 |      * @param videoState The video state. | 
 |      */ | 
 |     void setVideoState(String callId, int videoState) { | 
 |         Log.v(this, "setVideoState: %d", videoState); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setVideoState(callId, videoState, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     void setConferenceableConnections(String callId, List<String> conferenceableCallIds) { | 
 |         Log.v(this, "setConferenceableConnections: %s, %s", callId, conferenceableCallIds); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setConferenceableConnections(callId, conferenceableCallIds, | 
 |                         Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Informs telecom of an existing connection which was added by the {@link ConnectionService}. | 
 |      * | 
 |      * @param callId The unique ID of the call being added. | 
 |      * @param connection The connection. | 
 |      */ | 
 |     void addExistingConnection(String callId, ParcelableConnection connection) { | 
 |         Log.v(this, "addExistingConnection: %s", callId); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.addExistingConnection(callId, connection, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Adds some extras associated with a {@code Connection}. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      * @param extras The extras to add. | 
 |      */ | 
 |     void putExtras(String callId, Bundle extras) { | 
 |         Log.v(this, "putExtras: %s", callId); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.putExtras(callId, extras, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Adds an extra associated with a {@code Connection}. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      * @param key The extra key. | 
 |      * @param value The extra value. | 
 |      */ | 
 |     void putExtra(String callId, String key, boolean value) { | 
 |         Log.v(this, "putExtra: %s %s=%b", callId, key, value); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 Bundle bundle = new Bundle(); | 
 |                 bundle.putBoolean(key, value); | 
 |                 adapter.putExtras(callId, bundle, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Adds an extra associated with a {@code Connection}. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      * @param key The extra key. | 
 |      * @param value The extra value. | 
 |      */ | 
 |     void putExtra(String callId, String key, int value) { | 
 |         Log.v(this, "putExtra: %s %s=%d", callId, key, value); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 Bundle bundle = new Bundle(); | 
 |                 bundle.putInt(key, value); | 
 |                 adapter.putExtras(callId, bundle, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Adds an extra associated with a {@code Connection}. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      * @param key The extra key. | 
 |      * @param value The extra value. | 
 |      */ | 
 |     void putExtra(String callId, String key, String value) { | 
 |         Log.v(this, "putExtra: %s %s=%s", callId, key, value); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 Bundle bundle = new Bundle(); | 
 |                 bundle.putString(key, value); | 
 |                 adapter.putExtras(callId, bundle, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Removes extras associated with a {@code Connection}. | 
 |      *  @param callId The unique ID of the call. | 
 |      * @param keys The extra keys to remove. | 
 |      */ | 
 |     void removeExtras(String callId, List<String> keys) { | 
 |         Log.v(this, "removeExtras: %s %s", callId, keys); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.removeExtras(callId, keys, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets the audio route associated with a {@link Connection}. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      * @param audioRoute The new audio route (see {@code CallAudioState#ROUTE_*}). | 
 |      */ | 
 |     void setAudioRoute(String callId, int audioRoute, String bluetoothAddress) { | 
 |         Log.v(this, "setAudioRoute: %s %s %s", callId, | 
 |                 CallAudioState.audioRouteToString(audioRoute), | 
 |                 bluetoothAddress); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setAudioRoute(callId, audioRoute, | 
 |                         bluetoothAddress, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets the call endpoint associated with a {@link Connection}. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      * @param endpoint The new call endpoint (see {@link CallEndpoint}). | 
 |      * @param executor The executor of where the callback will execute. | 
 |      * @param callback The callback to notify the result of the endpoint change. | 
 |      */ | 
 |     void requestCallEndpointChange(String callId, CallEndpoint endpoint, Executor executor, | 
 |             OutcomeReceiver<Void, CallEndpointException> callback) { | 
 |         Log.v(this, "requestCallEndpointChange"); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.requestCallEndpointChange(callId, endpoint, new ResultReceiver(null) { | 
 |                     @Override | 
 |                     protected void onReceiveResult(int resultCode, Bundle result) { | 
 |                         super.onReceiveResult(resultCode, result); | 
 |                         final long identity = Binder.clearCallingIdentity(); | 
 |                         try { | 
 |                             if (resultCode == CallEndpoint.ENDPOINT_OPERATION_SUCCESS) { | 
 |                                 executor.execute(() -> callback.onResult(null)); | 
 |                             } else { | 
 |                                 executor.execute(() -> callback.onError(result.getParcelable( | 
 |                                         CallEndpointException.CHANGE_ERROR, | 
 |                                         CallEndpointException.class))); | 
 |                             } | 
 |                         } finally { | 
 |                             Binder.restoreCallingIdentity(identity); | 
 |                         } | 
 |                     }}, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |                 Log.d(this, "Remote exception calling requestCallEndpointChange"); | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Informs Telecom of a connection level event. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      * @param event The event. | 
 |      * @param extras Extras associated with the event. | 
 |      */ | 
 |     void onConnectionEvent(String callId, String event, Bundle extras) { | 
 |         Log.v(this, "onConnectionEvent: %s", event); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.onConnectionEvent(callId, event, extras, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Notifies Telecom that an RTT session was successfully established. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      */ | 
 |     void onRttInitiationSuccess(String callId) { | 
 |         Log.v(this, "onRttInitiationSuccess: %s", callId); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.onRttInitiationSuccess(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Notifies Telecom that a requested RTT session failed to be established. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      */ | 
 |     void onRttInitiationFailure(String callId, int reason) { | 
 |         Log.v(this, "onRttInitiationFailure: %s", callId); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.onRttInitiationFailure(callId, reason, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Notifies Telecom that an established RTT session was terminated by the remote user on | 
 |      * the call. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      */ | 
 |     void onRttSessionRemotelyTerminated(String callId) { | 
 |         Log.v(this, "onRttSessionRemotelyTerminated: %s", callId); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.onRttSessionRemotelyTerminated(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Notifies Telecom that the remote user on the call has requested an upgrade to an RTT | 
 |      * session for this call. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      */ | 
 |     void onRemoteRttRequest(String callId) { | 
 |         Log.v(this, "onRemoteRttRequest: %s", callId); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.onRemoteRttRequest(callId, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Notifies Telecom that a call's PhoneAccountHandle has changed. | 
 |      * | 
 |      * @param callId The unique ID of the call. | 
 |      * @param pHandle The new PhoneAccountHandle associated with the call. | 
 |      */ | 
 |     void onPhoneAccountChanged(String callId, PhoneAccountHandle pHandle) { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 Log.d(this, "onPhoneAccountChanged %s", callId); | 
 |                 adapter.onPhoneAccountChanged(callId, pHandle, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Notifies Telecom that the {@link ConnectionService} has released the call resource. | 
 |      */ | 
 |     void onConnectionServiceFocusReleased() { | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 Log.d(this, "onConnectionServiceFocusReleased"); | 
 |                 adapter.onConnectionServiceFocusReleased(Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets whether a conference is treated as a conference or a single party call. | 
 |      * See {@link Conference#setConferenceState(boolean)} for more information. | 
 |      * | 
 |      * @param callId The ID of the telecom call. | 
 |      * @param isConference {@code true} if this call should be treated as a conference, | 
 |      * {@code false} otherwise. | 
 |      */ | 
 |     void setConferenceState(String callId, boolean isConference) { | 
 |         Log.v(this, "setConferenceState: %s %b", callId, isConference); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.setConferenceState(callId, isConference, Log.getExternalSession()); | 
 |             } catch (RemoteException ignored) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Sets the direction of a call. Setting a new direction of an existing call is usually only | 
 |      * applicable during single caller emulation during conferencing, see | 
 |      * {@link Conference#setConferenceState(boolean)} for more information. | 
 |      * @param callId The identifier of the call. | 
 |      * @param direction The new direction of the call. | 
 |      */ | 
 |     void setCallDirection(String callId, @Call.Details.CallDirection int direction) { | 
 |         for (IConnectionServiceAdapter a : mAdapters) { | 
 |             try { | 
 |                 a.setCallDirection(callId, direction, Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     /** | 
 |      * Query location information. | 
 |      * Only SIM call managers can call this method for Connections representing Emergency calls. | 
 |      * If the previous request is not completed, the new request will be rejected. | 
 |      * | 
 |      * @param timeoutMillis long: Timeout in millis waiting for query response. | 
 |      * @param provider String: the location provider name, This value cannot be null. | 
 |      * @param executor The executor of where the callback will execute. | 
 |      * @param callback The callback to notify the result of queryLocation. | 
 |      */ | 
 |     void queryLocation(String callId, long timeoutMillis, @NonNull String provider, | 
 |             @NonNull @CallbackExecutor Executor executor, | 
 |             @NonNull OutcomeReceiver<Location, QueryLocationException> callback) { | 
 |         Log.v(this, "queryLocation: %s %d", callId, timeoutMillis); | 
 |         for (IConnectionServiceAdapter adapter : mAdapters) { | 
 |             try { | 
 |                 adapter.queryLocation(callId, timeoutMillis, provider, | 
 |                         new ResultReceiver(null) { | 
 |                             @Override | 
 |                             protected void onReceiveResult(int resultCode, Bundle result) { | 
 |                                 super.onReceiveResult(resultCode, result); | 
 |  | 
 |                                 if (resultCode == 1 /* success */) { | 
 |                                     executor.execute(() -> callback.onResult(result.getParcelable( | 
 |                                             Connection.EXTRA_KEY_QUERY_LOCATION, Location.class))); | 
 |                                 } else { | 
 |                                     executor.execute(() -> callback.onError(result.getParcelable( | 
 |                                             QueryLocationException.QUERY_LOCATION_ERROR, | 
 |                                             QueryLocationException.class))); | 
 |                                 } | 
 |                             } | 
 |                         }, | 
 |                         Log.getExternalSession()); | 
 |             } catch (RemoteException e) { | 
 |                 Log.d(this, "queryLocation: Exception e : " + e); | 
 |                 executor.execute(() -> callback.onError(new QueryLocationException( | 
 |                         e.getMessage(), QueryLocationException.ERROR_SERVICE_UNAVAILABLE))); | 
 |             } | 
 |         } | 
 |     } | 
 | } |