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/*
* 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 com.android.internal.telecom.IConnectionService;
import com.android.internal.telecom.IVideoCallback;
import com.android.internal.telecom.IVideoProvider;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SystemApi;
import android.hardware.camera2.CameraManager;
import android.net.Uri;
import android.os.BadParcelableException;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.RemoteException;
import android.view.Surface;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
/**
* A connection provided to a {@link ConnectionService} by another {@code ConnectionService}
* running in a different process.
*
* @see ConnectionService#createRemoteOutgoingConnection(PhoneAccountHandle, ConnectionRequest)
* @see ConnectionService#createRemoteIncomingConnection(PhoneAccountHandle, ConnectionRequest)
*/
public final class RemoteConnection {
/**
* Callback base class for {@link RemoteConnection}.
*/
public static abstract class Callback {
/**
* Invoked when the state of this {@code RemoteConnection} has changed. See
* {@link #getState()}.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param state The new state of the {@code RemoteConnection}.
*/
public void onStateChanged(RemoteConnection connection, int state) {}
/**
* Invoked when this {@code RemoteConnection} is disconnected.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param disconnectCause The ({@see DisconnectCause}) associated with this failed
* connection.
*/
public void onDisconnected(
RemoteConnection connection,
DisconnectCause disconnectCause) {}
/**
* Invoked when this {@code RemoteConnection} is requesting ringback. See
* {@link #isRingbackRequested()}.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param ringback Whether the {@code RemoteConnection} is requesting ringback.
*/
public void onRingbackRequested(RemoteConnection connection, boolean ringback) {}
/**
* Indicates that the call capabilities of this {@code RemoteConnection} have changed.
* See {@link #getConnectionCapabilities()}.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param connectionCapabilities The new capabilities of the {@code RemoteConnection}.
*/
public void onConnectionCapabilitiesChanged(
RemoteConnection connection,
int connectionCapabilities) {}
/**
* Indicates that the call properties of this {@code RemoteConnection} have changed.
* See {@link #getConnectionProperties()}.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param connectionProperties The new properties of the {@code RemoteConnection}.
*/
public void onConnectionPropertiesChanged(
RemoteConnection connection,
int connectionProperties) {}
/**
* Invoked when the post-dial sequence in the outgoing {@code Connection} has reached a
* pause character. This causes the post-dial signals to stop pending user confirmation. An
* implementation should present this choice to the user and invoke
* {@link RemoteConnection#postDialContinue(boolean)} when the user makes the choice.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param remainingPostDialSequence The post-dial characters that remain to be sent.
*/
public void onPostDialWait(RemoteConnection connection, String remainingPostDialSequence) {}
/**
* Invoked when the post-dial sequence in the outgoing {@code Connection} has processed
* a character.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param nextChar The character being processed.
*/
public void onPostDialChar(RemoteConnection connection, char nextChar) {}
/**
* Indicates that the VOIP audio status of this {@code RemoteConnection} has changed.
* See {@link #isVoipAudioMode()}.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param isVoip Whether the new audio state of the {@code RemoteConnection} is VOIP.
*/
public void onVoipAudioChanged(RemoteConnection connection, boolean isVoip) {}
/**
* Indicates that the status hints of this {@code RemoteConnection} have changed. See
* {@link #getStatusHints()} ()}.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param statusHints The new status hints of the {@code RemoteConnection}.
*/
public void onStatusHintsChanged(RemoteConnection connection, StatusHints statusHints) {}
/**
* Indicates that the address (e.g., phone number) of this {@code RemoteConnection} has
* changed. See {@link #getAddress()} and {@link #getAddressPresentation()}.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param address The new address of the {@code RemoteConnection}.
* @param presentation The presentation requirements for the address.
* See {@link TelecomManager} for valid values.
*/
public void onAddressChanged(RemoteConnection connection, Uri address, int presentation) {}
/**
* Indicates that the caller display name of this {@code RemoteConnection} has changed.
* See {@link #getCallerDisplayName()} and {@link #getCallerDisplayNamePresentation()}.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param callerDisplayName The new caller display name of the {@code RemoteConnection}.
* @param presentation The presentation requirements for the handle.
* See {@link TelecomManager} for valid values.
*/
public void onCallerDisplayNameChanged(
RemoteConnection connection, String callerDisplayName, int presentation) {}
/**
* Indicates that the video state of this {@code RemoteConnection} has changed.
* See {@link #getVideoState()}.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param videoState The new video state of the {@code RemoteConnection}.
*/
public void onVideoStateChanged(RemoteConnection connection, int videoState) {}
/**
* Indicates that this {@code RemoteConnection} has been destroyed. No further requests
* should be made to the {@code RemoteConnection}, and references to it should be cleared.
*
* @param connection The {@code RemoteConnection} invoking this method.
*/
public void onDestroyed(RemoteConnection connection) {}
/**
* Indicates that the {@code RemoteConnection}s with which this {@code RemoteConnection}
* may be asked to create a conference has changed.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param conferenceableConnections The {@code RemoteConnection}s with which this
* {@code RemoteConnection} may be asked to create a conference.
*/
public void onConferenceableConnectionsChanged(
RemoteConnection connection,
List<RemoteConnection> conferenceableConnections) {}
/**
* Indicates that the {@code VideoProvider} associated with this {@code RemoteConnection}
* has changed.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param videoProvider The new {@code VideoProvider} associated with this
* {@code RemoteConnection}.
*/
public void onVideoProviderChanged(
RemoteConnection connection, VideoProvider videoProvider) {}
/**
* Indicates that the {@code RemoteConference} that this {@code RemoteConnection} is a part
* of has changed.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param conference The {@code RemoteConference} of which this {@code RemoteConnection} is
* a part, which may be {@code null}.
*/
public void onConferenceChanged(
RemoteConnection connection,
RemoteConference conference) {}
/**
* Handles changes to the {@code RemoteConnection} extras.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param extras The extras containing other information associated with the connection.
*/
public void onExtrasChanged(RemoteConnection connection, @Nullable Bundle extras) {}
/**
* Handles a connection event propagated to this {@link RemoteConnection}.
* <p>
* Connection events originate from {@link Connection#sendConnectionEvent(String, Bundle)}.
*
* @param connection The {@code RemoteConnection} invoking this method.
* @param event The connection event.
* @param extras Extras associated with the event.
*/
public void onConnectionEvent(RemoteConnection connection, String event, Bundle extras) {}
/**
* Indicates that a RTT session was successfully established on this
* {@link RemoteConnection}. See {@link Connection#sendRttInitiationSuccess()}.
* @hide
* @param connection The {@code RemoteConnection} invoking this method.
*/
public void onRttInitiationSuccess(RemoteConnection connection) {}
/**
* Indicates that a RTT session failed to be established on this
* {@link RemoteConnection}. See {@link Connection#sendRttInitiationFailure()}.
* @hide
* @param connection The {@code RemoteConnection} invoking this method.
* @param reason One of the reason codes defined in {@link Connection.RttModifyStatus},
* with the exception of
* {@link Connection.RttModifyStatus#SESSION_MODIFY_REQUEST_SUCCESS}.
*/
public void onRttInitiationFailure(RemoteConnection connection, int reason) {}
/**
* Indicates that an established RTT session was terminated remotely on this
* {@link RemoteConnection}. See {@link Connection#sendRttSessionRemotelyTerminated()}
* @hide
* @param connection The {@code RemoteConnection} invoking this method.
*/
public void onRttSessionRemotelyTerminated(RemoteConnection connection) {}
/**
* Indicates that the remote user on this {@link RemoteConnection} has requested an upgrade
* to an RTT session. See {@link Connection#sendRemoteRttRequest()}
* @hide
* @param connection The {@code RemoteConnection} invoking this method.
*/
public void onRemoteRttRequest(RemoteConnection connection) {}
}
/**
* {@link RemoteConnection.VideoProvider} associated with a {@link RemoteConnection}. Used to
* receive video related events and control the video associated with a
* {@link RemoteConnection}.
*
* @see Connection.VideoProvider
*/
public static class VideoProvider {
/**
* Callback class used by the {@link RemoteConnection.VideoProvider} to relay events from
* the {@link Connection.VideoProvider}.
*/
public abstract static class Callback {
/**
* Reports a session modification request received from the
* {@link Connection.VideoProvider} associated with a {@link RemoteConnection}.
*
* @param videoProvider The {@link RemoteConnection.VideoProvider} invoking this method.
* @param videoProfile The requested video call profile.
* @see InCallService.VideoCall.Callback#onSessionModifyRequestReceived(VideoProfile)
* @see Connection.VideoProvider#receiveSessionModifyRequest(VideoProfile)
*/
public void onSessionModifyRequestReceived(
VideoProvider videoProvider,
VideoProfile videoProfile) {}
/**
* Reports a session modification response received from the
* {@link Connection.VideoProvider} associated with a {@link RemoteConnection}.
*
* @param videoProvider The {@link RemoteConnection.VideoProvider} invoking this method.
* @param status Status of the session modify request.
* @param requestedProfile The original request which was sent to the peer device.
* @param responseProfile The actual profile changes made by the peer device.
* @see InCallService.VideoCall.Callback#onSessionModifyResponseReceived(int,
* VideoProfile, VideoProfile)
* @see Connection.VideoProvider#receiveSessionModifyResponse(int, VideoProfile,
* VideoProfile)
*/
public void onSessionModifyResponseReceived(
VideoProvider videoProvider,
int status,
VideoProfile requestedProfile,
VideoProfile responseProfile) {}
/**
* Reports a call session event received from the {@link Connection.VideoProvider}
* associated with a {@link RemoteConnection}.
*
* @param videoProvider The {@link RemoteConnection.VideoProvider} invoking this method.
* @param event The event.
* @see InCallService.VideoCall.Callback#onCallSessionEvent(int)
* @see Connection.VideoProvider#handleCallSessionEvent(int)
*/
public void onCallSessionEvent(VideoProvider videoProvider, int event) {}
/**
* Reports a change in the peer video dimensions received from the
* {@link Connection.VideoProvider} associated with a {@link RemoteConnection}.
*
* @param videoProvider The {@link RemoteConnection.VideoProvider} invoking this method.
* @param width The updated peer video width.
* @param height The updated peer video height.
* @see InCallService.VideoCall.Callback#onPeerDimensionsChanged(int, int)
* @see Connection.VideoProvider#changePeerDimensions(int, int)
*/
public void onPeerDimensionsChanged(VideoProvider videoProvider, int width,
int height) {}
/**
* Reports a change in the data usage (in bytes) received from the
* {@link Connection.VideoProvider} associated with a {@link RemoteConnection}.
*
* @param videoProvider The {@link RemoteConnection.VideoProvider} invoking this method.
* @param dataUsage The updated data usage (in bytes).
* @see InCallService.VideoCall.Callback#onCallDataUsageChanged(long)
* @see Connection.VideoProvider#setCallDataUsage(long)
*/
public void onCallDataUsageChanged(VideoProvider videoProvider, long dataUsage) {}
/**
* Reports a change in the capabilities of the current camera, received from the
* {@link Connection.VideoProvider} associated with a {@link RemoteConnection}.
*
* @param videoProvider The {@link RemoteConnection.VideoProvider} invoking this method.
* @param cameraCapabilities The changed camera capabilities.
* @see InCallService.VideoCall.Callback#onCameraCapabilitiesChanged(
* VideoProfile.CameraCapabilities)
* @see Connection.VideoProvider#changeCameraCapabilities(
* VideoProfile.CameraCapabilities)
*/
public void onCameraCapabilitiesChanged(
VideoProvider videoProvider,
VideoProfile.CameraCapabilities cameraCapabilities) {}
/**
* Reports a change in the video quality received from the
* {@link Connection.VideoProvider} associated with a {@link RemoteConnection}.
*
* @param videoProvider The {@link RemoteConnection.VideoProvider} invoking this method.
* @param videoQuality The updated peer video quality.
* @see InCallService.VideoCall.Callback#onVideoQualityChanged(int)
* @see Connection.VideoProvider#changeVideoQuality(int)
*/
public void onVideoQualityChanged(VideoProvider videoProvider, int videoQuality) {}
}
private final IVideoCallback mVideoCallbackDelegate = new IVideoCallback() {
@Override
public void receiveSessionModifyRequest(VideoProfile videoProfile) {
for (Callback l : mCallbacks) {
l.onSessionModifyRequestReceived(VideoProvider.this, videoProfile);
}
}
@Override
public void receiveSessionModifyResponse(int status, VideoProfile requestedProfile,
VideoProfile responseProfile) {
for (Callback l : mCallbacks) {
l.onSessionModifyResponseReceived(
VideoProvider.this,
status,
requestedProfile,
responseProfile);
}
}
@Override
public void handleCallSessionEvent(int event) {
for (Callback l : mCallbacks) {
l.onCallSessionEvent(VideoProvider.this, event);
}
}
@Override
public void changePeerDimensions(int width, int height) {
for (Callback l : mCallbacks) {
l.onPeerDimensionsChanged(VideoProvider.this, width, height);
}
}
@Override
public void changeCallDataUsage(long dataUsage) {
for (Callback l : mCallbacks) {
l.onCallDataUsageChanged(VideoProvider.this, dataUsage);
}
}
@Override
public void changeCameraCapabilities(
VideoProfile.CameraCapabilities cameraCapabilities) {
for (Callback l : mCallbacks) {
l.onCameraCapabilitiesChanged(VideoProvider.this, cameraCapabilities);
}
}
@Override
public void changeVideoQuality(int videoQuality) {
for (Callback l : mCallbacks) {
l.onVideoQualityChanged(VideoProvider.this, videoQuality);
}
}
@Override
public IBinder asBinder() {
return null;
}
};
private final VideoCallbackServant mVideoCallbackServant =
new VideoCallbackServant(mVideoCallbackDelegate);
private final IVideoProvider mVideoProviderBinder;
private final String mCallingPackage;
private final int mTargetSdkVersion;
/**
* 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<Callback> mCallbacks = Collections.newSetFromMap(
new ConcurrentHashMap<Callback, Boolean>(8, 0.9f, 1));
VideoProvider(IVideoProvider videoProviderBinder, String callingPackage,
int targetSdkVersion) {
mVideoProviderBinder = videoProviderBinder;
mCallingPackage = callingPackage;
mTargetSdkVersion = targetSdkVersion;
try {
mVideoProviderBinder.addVideoCallback(mVideoCallbackServant.getStub().asBinder());
} catch (RemoteException e) {
}
}
/**
* Registers a callback to receive commands and state changes for video calls.
*
* @param l The video call callback.
*/
public void registerCallback(Callback l) {
mCallbacks.add(l);
}
/**
* Clears the video call callback set via {@link #registerCallback}.
*
* @param l The video call callback to clear.
*/
public void unregisterCallback(Callback l) {
mCallbacks.remove(l);
}
/**
* Sets the camera to be used for the outgoing video for the
* {@link RemoteConnection.VideoProvider}.
*
* @param cameraId The id of the camera (use ids as reported by
* {@link CameraManager#getCameraIdList()}).
* @see Connection.VideoProvider#onSetCamera(String)
*/
public void setCamera(String cameraId) {
try {
mVideoProviderBinder.setCamera(cameraId, mCallingPackage, mTargetSdkVersion);
} catch (RemoteException e) {
}
}
/**
* Sets the surface to be used for displaying a preview of what the user's camera is
* currently capturing for the {@link RemoteConnection.VideoProvider}.
*
* @param surface The {@link Surface}.
* @see Connection.VideoProvider#onSetPreviewSurface(Surface)
*/
public void setPreviewSurface(Surface surface) {
try {
mVideoProviderBinder.setPreviewSurface(surface);
} catch (RemoteException e) {
}
}
/**
* Sets the surface to be used for displaying the video received from the remote device for
* the {@link RemoteConnection.VideoProvider}.
*
* @param surface The {@link Surface}.
* @see Connection.VideoProvider#onSetDisplaySurface(Surface)
*/
public void setDisplaySurface(Surface surface) {
try {
mVideoProviderBinder.setDisplaySurface(surface);
} catch (RemoteException e) {
}
}
/**
* Sets the device orientation, in degrees, for the {@link RemoteConnection.VideoProvider}.
* Assumes that a standard portrait orientation of the device is 0 degrees.
*
* @param rotation The device orientation, in degrees.
* @see Connection.VideoProvider#onSetDeviceOrientation(int)
*/
public void setDeviceOrientation(int rotation) {
try {
mVideoProviderBinder.setDeviceOrientation(rotation);
} catch (RemoteException e) {
}
}
/**
* Sets camera zoom ratio for the {@link RemoteConnection.VideoProvider}.
*
* @param value The camera zoom ratio.
* @see Connection.VideoProvider#onSetZoom(float)
*/
public void setZoom(float value) {
try {
mVideoProviderBinder.setZoom(value);
} catch (RemoteException e) {
}
}
/**
* Issues a request to modify the properties of the current video session for the
* {@link RemoteConnection.VideoProvider}.
*
* @param fromProfile The video profile prior to the request.
* @param toProfile The video profile with the requested changes made.
* @see Connection.VideoProvider#onSendSessionModifyRequest(VideoProfile, VideoProfile)
*/
public void sendSessionModifyRequest(VideoProfile fromProfile, VideoProfile toProfile) {
try {
mVideoProviderBinder.sendSessionModifyRequest(fromProfile, toProfile);
} catch (RemoteException e) {
}
}
/**
* Provides a response to a request to change the current call video session
* properties for the {@link RemoteConnection.VideoProvider}.
*
* @param responseProfile The response call video properties.
* @see Connection.VideoProvider#onSendSessionModifyResponse(VideoProfile)
*/
public void sendSessionModifyResponse(VideoProfile responseProfile) {
try {
mVideoProviderBinder.sendSessionModifyResponse(responseProfile);
} catch (RemoteException e) {
}
}
/**
* Issues a request to retrieve the capabilities of the current camera for the
* {@link RemoteConnection.VideoProvider}.
*
* @see Connection.VideoProvider#onRequestCameraCapabilities()
*/
public void requestCameraCapabilities() {
try {
mVideoProviderBinder.requestCameraCapabilities();
} catch (RemoteException e) {
}
}
/**
* Issues a request to retrieve the data usage (in bytes) of the video portion of the
* {@link RemoteConnection} for the {@link RemoteConnection.VideoProvider}.
*
* @see Connection.VideoProvider#onRequestConnectionDataUsage()
*/
public void requestCallDataUsage() {
try {
mVideoProviderBinder.requestCallDataUsage();
} catch (RemoteException e) {
}
}
/**
* Sets the {@link Uri} of an image to be displayed to the peer device when the video signal
* is paused, for the {@link RemoteConnection.VideoProvider}.
*
* @see Connection.VideoProvider#onSetPauseImage(Uri)
*/
public void setPauseImage(Uri uri) {
try {
mVideoProviderBinder.setPauseImage(uri);
} catch (RemoteException e) {
}
}
}
private IConnectionService mConnectionService;
private final String mConnectionId;
/**
* 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<CallbackRecord> mCallbackRecords = Collections.newSetFromMap(
new ConcurrentHashMap<CallbackRecord, Boolean>(8, 0.9f, 1));
private final List<RemoteConnection> mConferenceableConnections = new ArrayList<>();
private final List<RemoteConnection> mUnmodifiableconferenceableConnections =
Collections.unmodifiableList(mConferenceableConnections);
private int mState = Connection.STATE_NEW;
private DisconnectCause mDisconnectCause;
private boolean mRingbackRequested;
private boolean mConnected;
private int mConnectionCapabilities;
private int mConnectionProperties;
private int mVideoState;
private VideoProvider mVideoProvider;
private boolean mIsVoipAudioMode;
private StatusHints mStatusHints;
private Uri mAddress;
private int mAddressPresentation;
private String mCallerDisplayName;
private int mCallerDisplayNamePresentation;
private RemoteConference mConference;
private Bundle mExtras;
/**
* @hide
*/
RemoteConnection(
String id,
IConnectionService connectionService,
ConnectionRequest request) {
mConnectionId = id;
mConnectionService = connectionService;
mConnected = true;
mState = Connection.STATE_INITIALIZING;
}
/**
* @hide
*/
RemoteConnection(String callId, IConnectionService connectionService,
ParcelableConnection connection, String callingPackage, int targetSdkVersion) {
mConnectionId = callId;
mConnectionService = connectionService;
mConnected = true;
mState = connection.getState();
mDisconnectCause = connection.getDisconnectCause();
mRingbackRequested = connection.isRingbackRequested();
mConnectionCapabilities = connection.getConnectionCapabilities();
mConnectionProperties = connection.getConnectionProperties();
mVideoState = connection.getVideoState();
IVideoProvider videoProvider = connection.getVideoProvider();
if (videoProvider != null) {
mVideoProvider = new RemoteConnection.VideoProvider(videoProvider, callingPackage,
targetSdkVersion);
} else {
mVideoProvider = null;
}
mIsVoipAudioMode = connection.getIsVoipAudioMode();
mStatusHints = connection.getStatusHints();
mAddress = connection.getHandle();
mAddressPresentation = connection.getHandlePresentation();
mCallerDisplayName = connection.getCallerDisplayName();
mCallerDisplayNamePresentation = connection.getCallerDisplayNamePresentation();
mConference = null;
putExtras(connection.getExtras());
// Stash the original connection ID as it exists in the source ConnectionService.
// Telecom will use this to avoid adding duplicates later.
// See comments on Connection.EXTRA_ORIGINAL_CONNECTION_ID for more information.
Bundle newExtras = new Bundle();
newExtras.putString(Connection.EXTRA_ORIGINAL_CONNECTION_ID, callId);
putExtras(newExtras);
}
/**
* Create a RemoteConnection which is used for failed connections. Note that using it for any
* "real" purpose will almost certainly fail. Callers should note the failure and act
* accordingly (moving on to another RemoteConnection, for example)
*
* @param disconnectCause The reason for the failed connection.
* @hide
*/
RemoteConnection(DisconnectCause disconnectCause) {
mConnectionId = "NULL";
mConnected = false;
mState = Connection.STATE_DISCONNECTED;
mDisconnectCause = disconnectCause;
}
/**
* Adds a callback to this {@code RemoteConnection}.
*
* @param callback A {@code Callback}.
*/
public void registerCallback(Callback callback) {
registerCallback(callback, new Handler());
}
/**
* Adds a callback to this {@code RemoteConnection}.
*
* @param callback A {@code Callback}.
* @param handler A {@code Handler} which command and status changes will be delivered to.
*/
public void registerCallback(Callback callback, Handler handler) {
unregisterCallback(callback);
if (callback != null && handler != null) {
mCallbackRecords.add(new CallbackRecord(callback, handler));
}
}
/**
* Removes a callback from this {@code RemoteConnection}.
*
* @param callback A {@code Callback}.
*/
public void unregisterCallback(Callback callback) {
if (callback != null) {
for (CallbackRecord record : mCallbackRecords) {
if (record.getCallback() == callback) {
mCallbackRecords.remove(record);
break;
}
}
}
}
/**
* Obtains the state of this {@code RemoteConnection}.
*
* @return A state value, chosen from the {@code STATE_*} constants.
*/
public int getState() {
return mState;
}
/**
* Obtains the reason why this {@code RemoteConnection} may have been disconnected.
*
* @return For a {@link Connection#STATE_DISCONNECTED} {@code RemoteConnection}, the
* disconnect cause expressed as a code chosen from among those declared in
* {@link DisconnectCause}.
*/
public DisconnectCause getDisconnectCause() {
return mDisconnectCause;
}
/**
* Obtains the capabilities of this {@code RemoteConnection}.
*
* @return A bitmask of the capabilities of the {@code RemoteConnection}, as defined in
* the {@code CAPABILITY_*} constants in class {@link Connection}.
*/
public int getConnectionCapabilities() {
return mConnectionCapabilities;
}
/**
* Obtains the properties of this {@code RemoteConnection}.
*
* @return A bitmask of the properties of the {@code RemoteConnection}, as defined in the
* {@code PROPERTY_*} constants in class {@link Connection}.
*/
public int getConnectionProperties() {
return mConnectionProperties;
}
/**
* Determines if the audio mode of this {@code RemoteConnection} is VOIP.
*
* @return {@code true} if the {@code RemoteConnection}'s current audio mode is VOIP.
*/
public boolean isVoipAudioMode() {
return mIsVoipAudioMode;
}
/**
* Obtains status hints pertaining to this {@code RemoteConnection}.
*
* @return The current {@link StatusHints} of this {@code RemoteConnection},
* or {@code null} if none have been set.
*/
public StatusHints getStatusHints() {
return mStatusHints;
}
/**
* Obtains the address of this {@code RemoteConnection}.
*
* @return The address (e.g., phone number) to which the {@code RemoteConnection}
* is currently connected.
*/
public Uri getAddress() {
return mAddress;
}
/**
* Obtains the presentation requirements for the address of this {@code RemoteConnection}.
*
* @return The presentation requirements for the address. See
* {@link TelecomManager} for valid values.
*/
public int getAddressPresentation() {
return mAddressPresentation;
}
/**
* Obtains the display name for this {@code RemoteConnection}'s caller.
*
* @return The display name for the caller.
*/
public CharSequence getCallerDisplayName() {
return mCallerDisplayName;
}
/**
* Obtains the presentation requirements for this {@code RemoteConnection}'s
* caller's display name.
*
* @return The presentation requirements for the caller display name. See
* {@link TelecomManager} for valid values.
*/
public int getCallerDisplayNamePresentation() {
return mCallerDisplayNamePresentation;
}
/**
* Obtains the video state of this {@code RemoteConnection}.
*
* @return The video state of the {@code RemoteConnection}. See {@link VideoProfile}.
*/
public int getVideoState() {
return mVideoState;
}
/**
* Obtains the video provider of this {@code RemoteConnection}.
* @return The video provider associated with this {@code RemoteConnection}.
*/
public final VideoProvider getVideoProvider() {
return mVideoProvider;
}
/**
* Obtain the extras associated with this {@code RemoteConnection}.
*
* @return The extras for this connection.
*/
public final Bundle getExtras() {
return mExtras;
}
/**
* Determines whether this {@code RemoteConnection} is requesting ringback.
*
* @return Whether the {@code RemoteConnection} is requesting that the framework play a
* ringback tone on its behalf.
*/
public boolean isRingbackRequested() {
return mRingbackRequested;
}
/**
* Instructs this {@code RemoteConnection} to abort.
*/
public void abort() {
try {
if (mConnected) {
mConnectionService.abort(mConnectionId, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Instructs this {@link Connection#STATE_RINGING} {@code RemoteConnection} to answer.
*/
public void answer() {
try {
if (mConnected) {
mConnectionService.answer(mConnectionId, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Instructs this {@link Connection#STATE_RINGING} {@code RemoteConnection} to answer.
* @param videoState The video state in which to answer the call.
* @hide
*/
public void answer(int videoState) {
try {
if (mConnected) {
mConnectionService.answerVideo(mConnectionId, videoState, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Instructs this {@link Connection#STATE_RINGING} {@code RemoteConnection} to reject.
*/
public void reject() {
try {
if (mConnected) {
mConnectionService.reject(mConnectionId, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Instructs this {@code RemoteConnection} to go on hold.
*/
public void hold() {
try {
if (mConnected) {
mConnectionService.hold(mConnectionId, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Instructs this {@link Connection#STATE_HOLDING} call to release from hold.
*/
public void unhold() {
try {
if (mConnected) {
mConnectionService.unhold(mConnectionId, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Instructs this {@code RemoteConnection} to disconnect.
*/
public void disconnect() {
try {
if (mConnected) {
mConnectionService.disconnect(mConnectionId, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Instructs this {@code RemoteConnection} to play a dual-tone multi-frequency signaling
* (DTMF) tone.
*
* Any other currently playing DTMF tone in the specified call is immediately stopped.
*
* @param digit A character representing the DTMF digit for which to play the tone. This
* value must be one of {@code '0'} through {@code '9'}, {@code '*'} or {@code '#'}.
*/
public void playDtmfTone(char digit) {
try {
if (mConnected) {
mConnectionService.playDtmfTone(mConnectionId, digit, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Instructs this {@code RemoteConnection} to stop any dual-tone multi-frequency signaling
* (DTMF) tone currently playing.
*
* DTMF tones are played by calling {@link #playDtmfTone(char)}. If no DTMF tone is
* currently playing, this method will do nothing.
*/
public void stopDtmfTone() {
try {
if (mConnected) {
mConnectionService.stopDtmfTone(mConnectionId, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Instructs this {@code RemoteConnection} to continue playing a post-dial DTMF string.
*
* A post-dial DTMF string is a string of digits following the first instance of either
* {@link TelecomManager#DTMF_CHARACTER_WAIT} or {@link TelecomManager#DTMF_CHARACTER_PAUSE}.
* These digits are immediately sent as DTMF tones to the recipient as soon as the
* connection is made.
*
* If the DTMF string contains a {@link TelecomManager#DTMF_CHARACTER_PAUSE} symbol, this
* {@code RemoteConnection} will temporarily pause playing the tones for a pre-defined period
* of time.
*
* If the DTMF string contains a {@link TelecomManager#DTMF_CHARACTER_WAIT} symbol, this
* {@code RemoteConnection} will pause playing the tones and notify callbacks via
* {@link Callback#onPostDialWait(RemoteConnection, String)}. At this point, the in-call app
* should display to the user an indication of this state and an affordance to continue
* the postdial sequence. When the user decides to continue the postdial sequence, the in-call
* app should invoke the {@link #postDialContinue(boolean)} method.
*
* @param proceed Whether or not to continue with the post-dial sequence.
*/
public void postDialContinue(boolean proceed) {
try {
if (mConnected) {
mConnectionService.onPostDialContinue(mConnectionId, proceed,
null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Instructs this {@link RemoteConnection} to pull itself to the local device.
* <p>
* See {@link Call#pullExternalCall()} for more information.
*/
public void pullExternalCall() {
try {
if (mConnected) {
mConnectionService.pullExternalCall(mConnectionId, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Set the audio state of this {@code RemoteConnection}.
*
* @param state The audio state of this {@code RemoteConnection}.
* @hide
* @deprecated Use {@link #setCallAudioState(CallAudioState)} instead.
*/
@SystemApi
@Deprecated
public void setAudioState(AudioState state) {
setCallAudioState(new CallAudioState(state));
}
/**
* Set the audio state of this {@code RemoteConnection}.
*
* @param state The audio state of this {@code RemoteConnection}.
*/
public void setCallAudioState(CallAudioState state) {
try {
if (mConnected) {
mConnectionService.onCallAudioStateChanged(mConnectionId, state,
null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Notifies this {@link RemoteConnection} that the user has requested an RTT session.
* @param rttTextStream The object that should be used to send text to or receive text from
* the in-call app.
* @hide
*/
public void startRtt(@NonNull Connection.RttTextStream rttTextStream) {
try {
if (mConnected) {
mConnectionService.startRtt(mConnectionId, rttTextStream.getFdFromInCall(),
rttTextStream.getFdToInCall(), null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Notifies this {@link RemoteConnection} that it should terminate any existing RTT
* session. No response to Telecom is needed for this method.
* @hide
*/
public void stopRtt() {
try {
if (mConnected) {
mConnectionService.stopRtt(mConnectionId, null /*Session.Info*/);
}
} catch (RemoteException ignored) {
}
}
/**
* Notifies this {@link RemoteConnection} of a response to a previous remotely-initiated RTT
* upgrade request sent via {@link Connection#sendRemoteRttRequest}.
* Acceptance of the request is indicated by the supplied {@link RttTextStream} being non-null,
* and rejection is indicated by {@code rttTextStream} being {@code null}
* @hide
* @param rttTextStream The object that should be used to send text to or receive text from
* the in-call app.
*/
public void sendRttUpgradeResponse(@Nullable Connection.RttTextStream rttTextStream) {
try {
if (mConnected) {
if (rttTextStream == null) {
mConnectionService.respondToRttUpgradeRequest(mConnectionId,
null, null, null /*Session.Info*/);
} else {
mConnectionService.respondToRttUpgradeRequest(mConnectionId,
rttTextStream.getFdFromInCall(), rttTextStream.getFdToInCall(),
null /*Session.Info*/);
}
}
} catch (RemoteException ignored) {
}
}
/**
* Obtain the {@code RemoteConnection}s with which this {@code RemoteConnection} may be
* successfully asked to create a conference with.
*
* @return The {@code RemoteConnection}s with which this {@code RemoteConnection} may be
* merged into a {@link RemoteConference}.
*/
public List<RemoteConnection> getConferenceableConnections() {
return mUnmodifiableconferenceableConnections;
}
/**
* Obtain the {@code RemoteConference} that this {@code RemoteConnection} may be a part
* of, or {@code null} if there is no such {@code RemoteConference}.
*
* @return A {@code RemoteConference} or {@code null};
*/
public RemoteConference getConference() {
return mConference;
}
/** {@hide} */
String getId() {
return mConnectionId;
}
/** {@hide} */
IConnectionService getConnectionService() {
return mConnectionService;
}
/**
* @hide
*/
void setState(final int state) {
if (mState != state) {
mState = state;
for (CallbackRecord record: mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onStateChanged(connection, state);
}
});
}
}
}
/**
* @hide
*/
void setDisconnected(final DisconnectCause disconnectCause) {
if (mState != Connection.STATE_DISCONNECTED) {
mState = Connection.STATE_DISCONNECTED;
mDisconnectCause = disconnectCause;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onDisconnected(connection, disconnectCause);
}
});
}
}
}
/**
* @hide
*/
void setRingbackRequested(final boolean ringback) {
if (mRingbackRequested != ringback) {
mRingbackRequested = ringback;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onRingbackRequested(connection, ringback);
}
});
}
}
}
/**
* @hide
*/
void setConnectionCapabilities(final int connectionCapabilities) {
mConnectionCapabilities = connectionCapabilities;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onConnectionCapabilitiesChanged(connection, connectionCapabilities);
}
});
}
}
/**
* @hide
*/
void setConnectionProperties(final int connectionProperties) {
mConnectionProperties = connectionProperties;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onConnectionPropertiesChanged(connection, connectionProperties);
}
});
}
}
/**
* @hide
*/
void setDestroyed() {
if (!mCallbackRecords.isEmpty()) {
// Make sure that the callbacks are notified that the call is destroyed first.
if (mState != Connection.STATE_DISCONNECTED) {
setDisconnected(
new DisconnectCause(DisconnectCause.ERROR, "Connection destroyed."));
}
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onDestroyed(connection);
}
});
}
mCallbackRecords.clear();
mConnected = false;
}
}
/**
* @hide
*/
void setPostDialWait(final String remainingDigits) {
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onPostDialWait(connection, remainingDigits);
}
});
}
}
/**
* @hide
*/
void onPostDialChar(final char nextChar) {
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onPostDialChar(connection, nextChar);
}
});
}
}
/**
* @hide
*/
void setVideoState(final int videoState) {
mVideoState = videoState;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onVideoStateChanged(connection, videoState);
}
});
}
}
/**
* @hide
*/
void setVideoProvider(final VideoProvider videoProvider) {
mVideoProvider = videoProvider;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onVideoProviderChanged(connection, videoProvider);
}
});
}
}
/** @hide */
void setIsVoipAudioMode(final boolean isVoip) {
mIsVoipAudioMode = isVoip;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onVoipAudioChanged(connection, isVoip);
}
});
}
}
/** @hide */
void setStatusHints(final StatusHints statusHints) {
mStatusHints = statusHints;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onStatusHintsChanged(connection, statusHints);
}
});
}
}
/** @hide */
void setAddress(final Uri address, final int presentation) {
mAddress = address;
mAddressPresentation = presentation;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onAddressChanged(connection, address, presentation);
}
});
}
}
/** @hide */
void setCallerDisplayName(final String callerDisplayName, final int presentation) {
mCallerDisplayName = callerDisplayName;
mCallerDisplayNamePresentation = presentation;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onCallerDisplayNameChanged(
connection, callerDisplayName, presentation);
}
});
}
}
/** @hide */
void setConferenceableConnections(final List<RemoteConnection> conferenceableConnections) {
mConferenceableConnections.clear();
mConferenceableConnections.addAll(conferenceableConnections);
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onConferenceableConnectionsChanged(
connection, mUnmodifiableconferenceableConnections);
}
});
}
}
/** @hide */
void setConference(final RemoteConference conference) {
if (mConference != conference) {
mConference = conference;
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onConferenceChanged(connection, conference);
}
});
}
}
}
/** @hide */
void putExtras(final Bundle extras) {
if (extras == null) {
return;
}
if (mExtras == null) {
mExtras = new Bundle();
}
try {
mExtras.putAll(extras);
} catch (BadParcelableException bpe) {
Log.w(this, "putExtras: could not unmarshal extras; exception = " + bpe);
}
notifyExtrasChanged();
}
/** @hide */
void removeExtras(List<String> keys) {
if (mExtras == null || keys == null || keys.isEmpty()) {
return;
}
for (String key : keys) {
mExtras.remove(key);
}
notifyExtrasChanged();
}
private void notifyExtrasChanged() {
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onExtrasChanged(connection, mExtras);
}
});
}
}
/** @hide */
void onConnectionEvent(final String event, final Bundle extras) {
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(new Runnable() {
@Override
public void run() {
callback.onConnectionEvent(connection, event, extras);
}
});
}
}
/** @hide */
void onRttInitiationSuccess() {
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(
() -> callback.onRttInitiationSuccess(connection));
}
}
/** @hide */
void onRttInitiationFailure(int reason) {
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(
() -> callback.onRttInitiationFailure(connection, reason));
}
}
/** @hide */
void onRttSessionRemotelyTerminated() {
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(
() -> callback.onRttSessionRemotelyTerminated(connection));
}
}
/** @hide */
void onRemoteRttRequest() {
for (CallbackRecord record : mCallbackRecords) {
final RemoteConnection connection = this;
final Callback callback = record.getCallback();
record.getHandler().post(
() -> callback.onRemoteRttRequest(connection));
}
}
/**
/**
* Create a RemoteConnection represents a failure, and which will be in
* {@link Connection#STATE_DISCONNECTED}. Attempting to use it for anything will almost
* certainly result in bad things happening. Do not do this.
*
* @return a failed {@link RemoteConnection}
*
* @hide
*/
public static RemoteConnection failure(DisconnectCause disconnectCause) {
return new RemoteConnection(disconnectCause);
}
private static final class CallbackRecord extends Callback {
private final Callback mCallback;
private final Handler mHandler;
public CallbackRecord(Callback callback, Handler handler) {
mCallback = callback;
mHandler = handler;
}
public Callback getCallback() {
return mCallback;
}
public Handler getHandler() {
return mHandler;
}
}
}