| /* |
| * 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.os.SomeArgs; |
| import com.android.internal.telecom.IVideoCallback; |
| import com.android.internal.telecom.IVideoProvider; |
| |
| import android.annotation.Nullable; |
| import android.annotation.SystemApi; |
| import android.hardware.camera2.CameraManager; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| 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; |
| |
| /** |
| * Represents a phone call or connection to a remote endpoint that carries voice and/or video |
| * traffic. |
| * <p> |
| * Implementations create a custom subclass of {@code Connection} and return it to the framework |
| * as the return value of |
| * {@link ConnectionService#onCreateIncomingConnection(PhoneAccountHandle, ConnectionRequest)} |
| * or |
| * {@link ConnectionService#onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}. |
| * Implementations are then responsible for updating the state of the {@code Connection}, and |
| * must call {@link #destroy()} to signal to the framework that the {@code Connection} is no |
| * longer used and associated resources may be recovered. |
| */ |
| public abstract class Connection extends Conferenceable { |
| |
| /** |
| * The connection is initializing. This is generally the first state for a {@code Connection} |
| * returned by a {@link ConnectionService}. |
| */ |
| public static final int STATE_INITIALIZING = 0; |
| |
| /** |
| * The connection is new and not connected. |
| */ |
| public static final int STATE_NEW = 1; |
| |
| /** |
| * An incoming connection is in the ringing state. During this state, the user's ringer or |
| * vibration feature will be activated. |
| */ |
| public static final int STATE_RINGING = 2; |
| |
| /** |
| * An outgoing connection is in the dialing state. In this state the other party has not yet |
| * answered the call and the user traditionally hears a ringback tone. |
| */ |
| public static final int STATE_DIALING = 3; |
| |
| /** |
| * A connection is active. Both parties are connected to the call and can actively communicate. |
| */ |
| public static final int STATE_ACTIVE = 4; |
| |
| /** |
| * A connection is on hold. |
| */ |
| public static final int STATE_HOLDING = 5; |
| |
| /** |
| * A connection has been disconnected. This is the final state once the user has been |
| * disconnected from a call either locally, remotely or by an error in the service. |
| */ |
| public static final int STATE_DISCONNECTED = 6; |
| |
| /** |
| * Connection can currently be put on hold or unheld. This is distinct from |
| * {@link #CAPABILITY_SUPPORT_HOLD} in that although a connection may support 'hold' most times, |
| * it does not at the moment support the function. This can be true while the call is in the |
| * state {@link #STATE_DIALING}, for example. During this condition, an in-call UI may |
| * display a disabled 'hold' button. |
| */ |
| public static final int CAPABILITY_HOLD = 0x00000001; |
| |
| /** Connection supports the hold feature. */ |
| public static final int CAPABILITY_SUPPORT_HOLD = 0x00000002; |
| |
| /** |
| * Connections within a conference can be merged. A {@link ConnectionService} has the option to |
| * add a {@link Conference} before the child {@link Connection}s are merged. This is how |
| * CDMA-based {@link Connection}s are implemented. For these unmerged {@link Conference}s, this |
| * capability allows a merge button to be shown while the conference is in the foreground |
| * of the in-call UI. |
| * <p> |
| * This is only intended for use by a {@link Conference}. |
| */ |
| public static final int CAPABILITY_MERGE_CONFERENCE = 0x00000004; |
| |
| /** |
| * Connections within a conference can be swapped between foreground and background. |
| * See {@link #CAPABILITY_MERGE_CONFERENCE} for additional information. |
| * <p> |
| * This is only intended for use by a {@link Conference}. |
| */ |
| public static final int CAPABILITY_SWAP_CONFERENCE = 0x00000008; |
| |
| /** |
| * @hide |
| */ |
| public static final int CAPABILITY_UNUSED = 0x00000010; |
| |
| /** Connection supports responding via text option. */ |
| public static final int CAPABILITY_RESPOND_VIA_TEXT = 0x00000020; |
| |
| /** Connection can be muted. */ |
| public static final int CAPABILITY_MUTE = 0x00000040; |
| |
| /** |
| * Connection supports conference management. This capability only applies to |
| * {@link Conference}s which can have {@link Connection}s as children. |
| */ |
| public static final int CAPABILITY_MANAGE_CONFERENCE = 0x00000080; |
| |
| /** |
| * Local device supports receiving video. |
| */ |
| public static final int CAPABILITY_SUPPORTS_VT_LOCAL_RX = 0x00000100; |
| |
| /** |
| * Local device supports transmitting video. |
| */ |
| public static final int CAPABILITY_SUPPORTS_VT_LOCAL_TX = 0x00000200; |
| |
| /** |
| * Local device supports bidirectional video calling. |
| */ |
| public static final int CAPABILITY_SUPPORTS_VT_LOCAL_BIDIRECTIONAL = |
| CAPABILITY_SUPPORTS_VT_LOCAL_RX | CAPABILITY_SUPPORTS_VT_LOCAL_TX; |
| |
| /** |
| * Remote device supports receiving video. |
| */ |
| public static final int CAPABILITY_SUPPORTS_VT_REMOTE_RX = 0x00000400; |
| |
| /** |
| * Remote device supports transmitting video. |
| */ |
| public static final int CAPABILITY_SUPPORTS_VT_REMOTE_TX = 0x00000800; |
| |
| /** |
| * Remote device supports bidirectional video calling. |
| */ |
| public static final int CAPABILITY_SUPPORTS_VT_REMOTE_BIDIRECTIONAL = |
| CAPABILITY_SUPPORTS_VT_REMOTE_RX | CAPABILITY_SUPPORTS_VT_REMOTE_TX; |
| |
| /** |
| * Connection is able to be separated from its parent {@code Conference}, if any. |
| */ |
| public static final int CAPABILITY_SEPARATE_FROM_CONFERENCE = 0x00001000; |
| |
| /** |
| * Connection is able to be individually disconnected when in a {@code Conference}. |
| */ |
| public static final int CAPABILITY_DISCONNECT_FROM_CONFERENCE = 0x00002000; |
| |
| /** |
| * Whether the call is a generic conference, where we do not know the precise state of |
| * participants in the conference (eg. on CDMA). |
| * |
| * @hide |
| */ |
| public static final int CAPABILITY_GENERIC_CONFERENCE = 0x00004000; |
| |
| /** |
| * Connection is using high definition audio. |
| * @hide |
| */ |
| public static final int CAPABILITY_HIGH_DEF_AUDIO = 0x00008000; |
| |
| /** |
| * Connection is using WIFI. |
| * @hide |
| */ |
| public static final int CAPABILITY_WIFI = 0x00010000; |
| |
| /** |
| * Indicates that the current device callback number should be shown. |
| * |
| * @hide |
| */ |
| public static final int CAPABILITY_SHOW_CALLBACK_NUMBER = 0x00020000; |
| |
| /** |
| * Speed up audio setup for MT call. |
| * @hide |
| */ |
| public static final int CAPABILITY_SPEED_UP_MT_AUDIO = 0x00040000; |
| |
| /** |
| * Call can be upgraded to a video call. |
| */ |
| public static final int CAPABILITY_CAN_UPGRADE_TO_VIDEO = 0x00080000; |
| |
| /** |
| * For video calls, indicates whether the outgoing video for the call can be paused using |
| * the {@link android.telecom.VideoProfile#STATE_PAUSED} VideoState. |
| */ |
| public static final int CAPABILITY_CAN_PAUSE_VIDEO = 0x00100000; |
| |
| /** |
| * For a conference, indicates the conference will not have child connections. |
| * <p> |
| * An example of a conference with child connections is a GSM conference call, where the radio |
| * retains connections to the individual participants of the conference. Another example is an |
| * IMS conference call where conference event package functionality is supported; in this case |
| * the conference server ensures the radio is aware of the participants in the conference, which |
| * are represented by child connections. |
| * <p> |
| * An example of a conference with no child connections is an IMS conference call with no |
| * conference event package support. Such a conference is represented by the radio as a single |
| * connection to the IMS conference server. |
| * <p> |
| * Indicating whether a conference has children or not is important to help user interfaces |
| * visually represent a conference. A conference with no children, for example, will have the |
| * conference connection shown in the list of calls on a Bluetooth device, where if the |
| * conference has children, only the children will be shown in the list of calls on a Bluetooth |
| * device. |
| * @hide |
| */ |
| public static final int CAPABILITY_CONFERENCE_HAS_NO_CHILDREN = 0x00200000; |
| |
| /** |
| * Indicates that the connection itself wants to handle any sort of reply response, rather than |
| * relying on SMS. |
| * @hide |
| */ |
| public static final int CAPABILITY_CAN_SEND_RESPONSE_VIA_CONNECTION = 0x00400000; |
| |
| /** |
| * When set, prevents a video call from being downgraded to an audio-only call. |
| * <p> |
| * Should be set when the VideoState has the {@link VideoProfile#STATE_TX_ENABLED} or |
| * {@link VideoProfile#STATE_RX_ENABLED} bits set to indicate that the connection cannot be |
| * downgraded from a video call back to a VideoState of |
| * {@link VideoProfile#STATE_AUDIO_ONLY}. |
| * <p> |
| * Intuitively, a call which can be downgraded to audio should also have local and remote |
| * video |
| * capabilities (see {@link #CAPABILITY_SUPPORTS_VT_LOCAL_BIDIRECTIONAL} and |
| * {@link #CAPABILITY_SUPPORTS_VT_REMOTE_BIDIRECTIONAL}). |
| */ |
| public static final int CAPABILITY_CANNOT_DOWNGRADE_VIDEO_TO_AUDIO = 0x00800000; |
| |
| //********************************************************************************************** |
| // Next CAPABILITY value: 0x01000000 |
| //********************************************************************************************** |
| |
| /** |
| * Connection extra key used to store the last forwarded number associated with the current |
| * connection. Used to communicate to the user interface that the connection was forwarded via |
| * the specified number. |
| */ |
| public static final String EXTRA_LAST_FORWARDED_NUMBER = |
| "android.telecom.extra.LAST_FORWARDED_NUMBER"; |
| |
| /** |
| * Connection extra key used to store a child number associated with the current connection. |
| * Used to communicate to the user interface that the connection was received via |
| * a child address (i.e. phone number) associated with the {@link PhoneAccount}'s primary |
| * address. |
| */ |
| public static final String EXTRA_CHILD_ADDRESS = "android.telecom.extra.CHILD_ADDRESS"; |
| |
| /** |
| * Connection extra key used to store the subject for an incoming call. The user interface can |
| * query this extra and display its contents for incoming calls. Will only be used if the |
| * {@link PhoneAccount} supports the capability {@link PhoneAccount#CAPABILITY_CALL_SUBJECT}. |
| */ |
| public static final String EXTRA_CALL_SUBJECT = "android.telecom.extra.CALL_SUBJECT"; |
| |
| /** |
| * Connection event used to inform Telecom that it should play the on hold tone. This is used |
| * to play a tone when the peer puts the current call on hold. Sent to Telecom via |
| * {@link #sendConnectionEvent(String)}. |
| * @hide |
| */ |
| public static final String EVENT_ON_HOLD_TONE_START = |
| "android.telecom.event.ON_HOLD_TONE_START"; |
| |
| /** |
| * Connection event used to inform Telecom that it should stop the on hold tone. This is used |
| * to stop a tone when the peer puts the current call on hold. Sent to Telecom via |
| * {@link #sendConnectionEvent(String)}. |
| * @hide |
| */ |
| public static final String EVENT_ON_HOLD_TONE_END = |
| "android.telecom.event.ON_HOLD_TONE_END"; |
| |
| // Flag controlling whether PII is emitted into the logs |
| private static final boolean PII_DEBUG = Log.isLoggable(android.util.Log.DEBUG); |
| |
| /** |
| * Whether the given capabilities support the specified capability. |
| * |
| * @param capabilities A capability bit field. |
| * @param capability The capability to check capabilities for. |
| * @return Whether the specified capability is supported. |
| * @hide |
| */ |
| public static boolean can(int capabilities, int capability) { |
| return (capabilities & capability) == capability; |
| } |
| |
| /** |
| * Whether the capabilities of this {@code Connection} supports the specified capability. |
| * |
| * @param capability The capability to check capabilities for. |
| * @return Whether the specified capability is supported. |
| * @hide |
| */ |
| public boolean can(int capability) { |
| return can(mConnectionCapabilities, capability); |
| } |
| |
| /** |
| * Removes the specified capability from the set of capabilities of this {@code Connection}. |
| * |
| * @param capability The capability to remove from the set. |
| * @hide |
| */ |
| public void removeCapability(int capability) { |
| mConnectionCapabilities &= ~capability; |
| } |
| |
| /** |
| * Adds the specified capability to the set of capabilities of this {@code Connection}. |
| * |
| * @param capability The capability to add to the set. |
| * @hide |
| */ |
| public void addCapability(int capability) { |
| mConnectionCapabilities |= capability; |
| } |
| |
| |
| public static String capabilitiesToString(int capabilities) { |
| StringBuilder builder = new StringBuilder(); |
| builder.append("[Capabilities:"); |
| if (can(capabilities, CAPABILITY_HOLD)) { |
| builder.append(" CAPABILITY_HOLD"); |
| } |
| if (can(capabilities, CAPABILITY_SUPPORT_HOLD)) { |
| builder.append(" CAPABILITY_SUPPORT_HOLD"); |
| } |
| if (can(capabilities, CAPABILITY_MERGE_CONFERENCE)) { |
| builder.append(" CAPABILITY_MERGE_CONFERENCE"); |
| } |
| if (can(capabilities, CAPABILITY_SWAP_CONFERENCE)) { |
| builder.append(" CAPABILITY_SWAP_CONFERENCE"); |
| } |
| if (can(capabilities, CAPABILITY_RESPOND_VIA_TEXT)) { |
| builder.append(" CAPABILITY_RESPOND_VIA_TEXT"); |
| } |
| if (can(capabilities, CAPABILITY_MUTE)) { |
| builder.append(" CAPABILITY_MUTE"); |
| } |
| if (can(capabilities, CAPABILITY_MANAGE_CONFERENCE)) { |
| builder.append(" CAPABILITY_MANAGE_CONFERENCE"); |
| } |
| if (can(capabilities, CAPABILITY_SUPPORTS_VT_LOCAL_RX)) { |
| builder.append(" CAPABILITY_SUPPORTS_VT_LOCAL_RX"); |
| } |
| if (can(capabilities, CAPABILITY_SUPPORTS_VT_LOCAL_TX)) { |
| builder.append(" CAPABILITY_SUPPORTS_VT_LOCAL_TX"); |
| } |
| if (can(capabilities, CAPABILITY_SUPPORTS_VT_LOCAL_BIDIRECTIONAL)) { |
| builder.append(" CAPABILITY_SUPPORTS_VT_LOCAL_BIDIRECTIONAL"); |
| } |
| if (can(capabilities, CAPABILITY_SUPPORTS_VT_REMOTE_RX)) { |
| builder.append(" CAPABILITY_SUPPORTS_VT_REMOTE_RX"); |
| } |
| if (can(capabilities, CAPABILITY_SUPPORTS_VT_REMOTE_TX)) { |
| builder.append(" CAPABILITY_SUPPORTS_VT_REMOTE_TX"); |
| } |
| if (can(capabilities, CAPABILITY_SUPPORTS_VT_REMOTE_BIDIRECTIONAL)) { |
| builder.append(" CAPABILITY_SUPPORTS_VT_REMOTE_BIDIRECTIONAL"); |
| } |
| if (can(capabilities, CAPABILITY_CANNOT_DOWNGRADE_VIDEO_TO_AUDIO)) { |
| builder.append(" CAPABILITY_CANNOT_DOWNGRADE_VIDEO_TO_AUDIO"); |
| } |
| if (can(capabilities, CAPABILITY_HIGH_DEF_AUDIO)) { |
| builder.append(" CAPABILITY_HIGH_DEF_AUDIO"); |
| } |
| if (can(capabilities, CAPABILITY_WIFI)) { |
| builder.append(" CAPABILITY_WIFI"); |
| } |
| if (can(capabilities, CAPABILITY_GENERIC_CONFERENCE)) { |
| builder.append(" CAPABILITY_GENERIC_CONFERENCE"); |
| } |
| if (can(capabilities, CAPABILITY_SHOW_CALLBACK_NUMBER)) { |
| builder.append(" CAPABILITY_SHOW_CALLBACK_NUMBER"); |
| } |
| if (can(capabilities, CAPABILITY_SPEED_UP_MT_AUDIO)) { |
| builder.append(" CAPABILITY_SPEED_UP_MT_AUDIO"); |
| } |
| if (can(capabilities, CAPABILITY_CAN_UPGRADE_TO_VIDEO)) { |
| builder.append(" CAPABILITY_CAN_UPGRADE_TO_VIDEO"); |
| } |
| if (can(capabilities, CAPABILITY_CAN_PAUSE_VIDEO)) { |
| builder.append(" CAPABILITY_CAN_PAUSE_VIDEO"); |
| } |
| if (can(capabilities, CAPABILITY_CONFERENCE_HAS_NO_CHILDREN)) { |
| builder.append(" CAPABILITY_SINGLE_PARTY_CONFERENCE"); |
| } |
| if (can(capabilities, CAPABILITY_CAN_SEND_RESPONSE_VIA_CONNECTION)) { |
| builder.append(" CAPABILITY_CAN_SEND_RESPONSE_VIA_CONNECTION"); |
| } |
| |
| builder.append("]"); |
| return builder.toString(); |
| } |
| |
| /** @hide */ |
| public abstract static class Listener { |
| public void onStateChanged(Connection c, int state) {} |
| public void onAddressChanged(Connection c, Uri newAddress, int presentation) {} |
| public void onCallerDisplayNameChanged( |
| Connection c, String callerDisplayName, int presentation) {} |
| public void onVideoStateChanged(Connection c, int videoState) {} |
| public void onDisconnected(Connection c, DisconnectCause disconnectCause) {} |
| public void onPostDialWait(Connection c, String remaining) {} |
| public void onPostDialChar(Connection c, char nextChar) {} |
| public void onRingbackRequested(Connection c, boolean ringback) {} |
| public void onDestroyed(Connection c) {} |
| public void onConnectionCapabilitiesChanged(Connection c, int capabilities) {} |
| public void onVideoProviderChanged( |
| Connection c, VideoProvider videoProvider) {} |
| public void onAudioModeIsVoipChanged(Connection c, boolean isVoip) {} |
| public void onStatusHintsChanged(Connection c, StatusHints statusHints) {} |
| public void onConferenceablesChanged( |
| Connection c, List<Conferenceable> conferenceables) {} |
| public void onConferenceChanged(Connection c, Conference conference) {} |
| /** @hide */ |
| public void onConferenceParticipantsChanged(Connection c, |
| List<ConferenceParticipant> participants) {} |
| public void onConferenceStarted() {} |
| public void onConferenceMergeFailed(Connection c) {} |
| public void onExtrasChanged(Connection c, Bundle extras) {} |
| /** @hide */ |
| public void onConnectionEvent(Connection c, String event) {} |
| } |
| |
| /** |
| * Provides a means of controlling the video session associated with a {@link Connection}. |
| * <p> |
| * Implementations create a custom subclass of {@link VideoProvider} and the |
| * {@link ConnectionService} creates an instance sets it on the {@link Connection} using |
| * {@link Connection#setVideoProvider(VideoProvider)}. Any connection which supports video |
| * should set the {@link VideoProvider}. |
| * <p> |
| * The {@link VideoProvider} serves two primary purposes: it provides a means for Telecom and |
| * {@link InCallService} implementations to issue requests related to the video session; |
| * it provides a means for the {@link ConnectionService} to report events and information |
| * related to the video session to Telecom and the {@link InCallService} implementations. |
| * <p> |
| * {@link InCallService} implementations interact with the {@link VideoProvider} via |
| * {@link android.telecom.InCallService.VideoCall}. |
| */ |
| public static abstract class VideoProvider { |
| |
| /** |
| * Video is not being received (no protocol pause was issued). |
| * @see #handleCallSessionEvent(int) |
| */ |
| public static final int SESSION_EVENT_RX_PAUSE = 1; |
| |
| /** |
| * Video reception has resumed after a {@link #SESSION_EVENT_RX_PAUSE}. |
| * @see #handleCallSessionEvent(int) |
| */ |
| public static final int SESSION_EVENT_RX_RESUME = 2; |
| |
| /** |
| * Video transmission has begun. This occurs after a negotiated start of video transmission |
| * when the underlying protocol has actually begun transmitting video to the remote party. |
| * @see #handleCallSessionEvent(int) |
| */ |
| public static final int SESSION_EVENT_TX_START = 3; |
| |
| /** |
| * Video transmission has stopped. This occurs after a negotiated stop of video transmission |
| * when the underlying protocol has actually stopped transmitting video to the remote party. |
| * @see #handleCallSessionEvent(int) |
| */ |
| public static final int SESSION_EVENT_TX_STOP = 4; |
| |
| /** |
| * A camera failure has occurred for the selected camera. The {@link InCallService} can use |
| * this as a cue to inform the user the camera is not available. |
| * @see #handleCallSessionEvent(int) |
| */ |
| public static final int SESSION_EVENT_CAMERA_FAILURE = 5; |
| |
| /** |
| * Issued after {@link #SESSION_EVENT_CAMERA_FAILURE} when the camera is once again ready |
| * for operation. The {@link InCallService} can use this as a cue to inform the user that |
| * the camera has become available again. |
| * @see #handleCallSessionEvent(int) |
| */ |
| public static final int SESSION_EVENT_CAMERA_READY = 6; |
| |
| /** |
| * Session modify request was successful. |
| * @see #receiveSessionModifyResponse(int, VideoProfile, VideoProfile) |
| */ |
| public static final int SESSION_MODIFY_REQUEST_SUCCESS = 1; |
| |
| /** |
| * Session modify request failed. |
| * @see #receiveSessionModifyResponse(int, VideoProfile, VideoProfile) |
| */ |
| public static final int SESSION_MODIFY_REQUEST_FAIL = 2; |
| |
| /** |
| * Session modify request ignored due to invalid parameters. |
| * @see #receiveSessionModifyResponse(int, VideoProfile, VideoProfile) |
| */ |
| public static final int SESSION_MODIFY_REQUEST_INVALID = 3; |
| |
| /** |
| * Session modify request timed out. |
| * @see #receiveSessionModifyResponse(int, VideoProfile, VideoProfile) |
| */ |
| public static final int SESSION_MODIFY_REQUEST_TIMED_OUT = 4; |
| |
| /** |
| * Session modify request rejected by remote user. |
| * @see #receiveSessionModifyResponse(int, VideoProfile, VideoProfile) |
| */ |
| public static final int SESSION_MODIFY_REQUEST_REJECTED_BY_REMOTE = 5; |
| |
| private static final int MSG_ADD_VIDEO_CALLBACK = 1; |
| private static final int MSG_SET_CAMERA = 2; |
| private static final int MSG_SET_PREVIEW_SURFACE = 3; |
| private static final int MSG_SET_DISPLAY_SURFACE = 4; |
| private static final int MSG_SET_DEVICE_ORIENTATION = 5; |
| private static final int MSG_SET_ZOOM = 6; |
| private static final int MSG_SEND_SESSION_MODIFY_REQUEST = 7; |
| private static final int MSG_SEND_SESSION_MODIFY_RESPONSE = 8; |
| private static final int MSG_REQUEST_CAMERA_CAPABILITIES = 9; |
| private static final int MSG_REQUEST_CONNECTION_DATA_USAGE = 10; |
| private static final int MSG_SET_PAUSE_IMAGE = 11; |
| private static final int MSG_REMOVE_VIDEO_CALLBACK = 12; |
| |
| private VideoProvider.VideoProviderHandler mMessageHandler; |
| private final VideoProvider.VideoProviderBinder mBinder; |
| |
| /** |
| * Stores a list of the video callbacks, keyed by IBinder. |
| * |
| * 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 ConcurrentHashMap<IBinder, IVideoCallback> mVideoCallbacks = |
| new ConcurrentHashMap<IBinder, IVideoCallback>(8, 0.9f, 1); |
| |
| /** |
| * Default handler used to consolidate binder method calls onto a single thread. |
| */ |
| private final class VideoProviderHandler extends Handler { |
| public VideoProviderHandler() { |
| super(); |
| } |
| |
| public VideoProviderHandler(Looper looper) { |
| super(looper); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MSG_ADD_VIDEO_CALLBACK: { |
| IBinder binder = (IBinder) msg.obj; |
| IVideoCallback callback = IVideoCallback.Stub |
| .asInterface((IBinder) msg.obj); |
| if (callback == null) { |
| Log.w(this, "addVideoProvider - skipped; callback is null."); |
| break; |
| } |
| |
| if (mVideoCallbacks.containsKey(binder)) { |
| Log.i(this, "addVideoProvider - skipped; already present."); |
| break; |
| } |
| mVideoCallbacks.put(binder, callback); |
| break; |
| } |
| case MSG_REMOVE_VIDEO_CALLBACK: { |
| IBinder binder = (IBinder) msg.obj; |
| IVideoCallback callback = IVideoCallback.Stub |
| .asInterface((IBinder) msg.obj); |
| if (!mVideoCallbacks.containsKey(binder)) { |
| Log.i(this, "removeVideoProvider - skipped; not present."); |
| break; |
| } |
| mVideoCallbacks.remove(binder); |
| break; |
| } |
| case MSG_SET_CAMERA: |
| onSetCamera((String) msg.obj); |
| break; |
| case MSG_SET_PREVIEW_SURFACE: |
| onSetPreviewSurface((Surface) msg.obj); |
| break; |
| case MSG_SET_DISPLAY_SURFACE: |
| onSetDisplaySurface((Surface) msg.obj); |
| break; |
| case MSG_SET_DEVICE_ORIENTATION: |
| onSetDeviceOrientation(msg.arg1); |
| break; |
| case MSG_SET_ZOOM: |
| onSetZoom((Float) msg.obj); |
| break; |
| case MSG_SEND_SESSION_MODIFY_REQUEST: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| try { |
| onSendSessionModifyRequest((VideoProfile) args.arg1, |
| (VideoProfile) args.arg2); |
| } finally { |
| args.recycle(); |
| } |
| break; |
| } |
| case MSG_SEND_SESSION_MODIFY_RESPONSE: |
| onSendSessionModifyResponse((VideoProfile) msg.obj); |
| break; |
| case MSG_REQUEST_CAMERA_CAPABILITIES: |
| onRequestCameraCapabilities(); |
| break; |
| case MSG_REQUEST_CONNECTION_DATA_USAGE: |
| onRequestConnectionDataUsage(); |
| break; |
| case MSG_SET_PAUSE_IMAGE: |
| onSetPauseImage((Uri) msg.obj); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| /** |
| * IVideoProvider stub implementation. |
| */ |
| private final class VideoProviderBinder extends IVideoProvider.Stub { |
| public void addVideoCallback(IBinder videoCallbackBinder) { |
| mMessageHandler.obtainMessage( |
| MSG_ADD_VIDEO_CALLBACK, videoCallbackBinder).sendToTarget(); |
| } |
| |
| public void removeVideoCallback(IBinder videoCallbackBinder) { |
| mMessageHandler.obtainMessage( |
| MSG_REMOVE_VIDEO_CALLBACK, videoCallbackBinder).sendToTarget(); |
| } |
| |
| public void setCamera(String cameraId) { |
| mMessageHandler.obtainMessage(MSG_SET_CAMERA, cameraId).sendToTarget(); |
| } |
| |
| public void setPreviewSurface(Surface surface) { |
| mMessageHandler.obtainMessage(MSG_SET_PREVIEW_SURFACE, surface).sendToTarget(); |
| } |
| |
| public void setDisplaySurface(Surface surface) { |
| mMessageHandler.obtainMessage(MSG_SET_DISPLAY_SURFACE, surface).sendToTarget(); |
| } |
| |
| public void setDeviceOrientation(int rotation) { |
| mMessageHandler.obtainMessage( |
| MSG_SET_DEVICE_ORIENTATION, rotation, 0).sendToTarget(); |
| } |
| |
| public void setZoom(float value) { |
| mMessageHandler.obtainMessage(MSG_SET_ZOOM, value).sendToTarget(); |
| } |
| |
| public void sendSessionModifyRequest(VideoProfile fromProfile, VideoProfile toProfile) { |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = fromProfile; |
| args.arg2 = toProfile; |
| mMessageHandler.obtainMessage(MSG_SEND_SESSION_MODIFY_REQUEST, args).sendToTarget(); |
| } |
| |
| public void sendSessionModifyResponse(VideoProfile responseProfile) { |
| mMessageHandler.obtainMessage( |
| MSG_SEND_SESSION_MODIFY_RESPONSE, responseProfile).sendToTarget(); |
| } |
| |
| public void requestCameraCapabilities() { |
| mMessageHandler.obtainMessage(MSG_REQUEST_CAMERA_CAPABILITIES).sendToTarget(); |
| } |
| |
| public void requestCallDataUsage() { |
| mMessageHandler.obtainMessage(MSG_REQUEST_CONNECTION_DATA_USAGE).sendToTarget(); |
| } |
| |
| public void setPauseImage(Uri uri) { |
| mMessageHandler.obtainMessage(MSG_SET_PAUSE_IMAGE, uri).sendToTarget(); |
| } |
| } |
| |
| public VideoProvider() { |
| mBinder = new VideoProvider.VideoProviderBinder(); |
| mMessageHandler = new VideoProvider.VideoProviderHandler(Looper.getMainLooper()); |
| } |
| |
| /** |
| * Creates an instance of the {@link VideoProvider}, specifying the looper to use. |
| * |
| * @param looper The looper. |
| * @hide |
| */ |
| public VideoProvider(Looper looper) { |
| mBinder = new VideoProvider.VideoProviderBinder(); |
| mMessageHandler = new VideoProvider.VideoProviderHandler(looper); |
| } |
| |
| /** |
| * Returns binder object which can be used across IPC methods. |
| * @hide |
| */ |
| public final IVideoProvider getInterface() { |
| return mBinder; |
| } |
| |
| /** |
| * Sets the camera to be used for the outgoing video. |
| * <p> |
| * The {@link VideoProvider} should respond by communicating the capabilities of the chosen |
| * camera via |
| * {@link VideoProvider#changeCameraCapabilities(VideoProfile.CameraCapabilities)}. |
| * <p> |
| * Sent from the {@link InCallService} via |
| * {@link InCallService.VideoCall#setCamera(String)}. |
| * |
| * @param cameraId The id of the camera (use ids as reported by |
| * {@link CameraManager#getCameraIdList()}). |
| */ |
| public abstract void onSetCamera(String cameraId); |
| |
| /** |
| * Sets the surface to be used for displaying a preview of what the user's camera is |
| * currently capturing. When video transmission is enabled, this is the video signal which |
| * is sent to the remote device. |
| * <p> |
| * Sent from the {@link InCallService} via |
| * {@link InCallService.VideoCall#setPreviewSurface(Surface)}. |
| * |
| * @param surface The {@link Surface}. |
| */ |
| public abstract void onSetPreviewSurface(Surface surface); |
| |
| /** |
| * Sets the surface to be used for displaying the video received from the remote device. |
| * <p> |
| * Sent from the {@link InCallService} via |
| * {@link InCallService.VideoCall#setDisplaySurface(Surface)}. |
| * |
| * @param surface The {@link Surface}. |
| */ |
| public abstract void onSetDisplaySurface(Surface surface); |
| |
| /** |
| * Sets the device orientation, in degrees. Assumes that a standard portrait orientation of |
| * the device is 0 degrees. |
| * <p> |
| * Sent from the {@link InCallService} via |
| * {@link InCallService.VideoCall#setDeviceOrientation(int)}. |
| * |
| * @param rotation The device orientation, in degrees. |
| */ |
| public abstract void onSetDeviceOrientation(int rotation); |
| |
| /** |
| * Sets camera zoom ratio. |
| * <p> |
| * Sent from the {@link InCallService} via {@link InCallService.VideoCall#setZoom(float)}. |
| * |
| * @param value The camera zoom ratio. |
| */ |
| public abstract void onSetZoom(float value); |
| |
| /** |
| * Issues a request to modify the properties of the current video session. |
| * <p> |
| * Example scenarios include: requesting an audio-only call to be upgraded to a |
| * bi-directional video call, turning on or off the user's camera, sending a pause signal |
| * when the {@link InCallService} is no longer the foreground application. |
| * <p> |
| * If the {@link VideoProvider} determines a request to be invalid, it should call |
| * {@link #receiveSessionModifyResponse(int, VideoProfile, VideoProfile)} to report the |
| * invalid request back to the {@link InCallService}. |
| * <p> |
| * Where a request requires confirmation from the user of the peer device, the |
| * {@link VideoProvider} must communicate the request to the peer device and handle the |
| * user's response. {@link #receiveSessionModifyResponse(int, VideoProfile, VideoProfile)} |
| * is used to inform the {@link InCallService} of the result of the request. |
| * <p> |
| * Sent from the {@link InCallService} via |
| * {@link InCallService.VideoCall#sendSessionModifyRequest(VideoProfile)}. |
| * |
| * @param fromProfile The video profile prior to the request. |
| * @param toProfile The video profile with the requested changes made. |
| */ |
| public abstract void onSendSessionModifyRequest(VideoProfile fromProfile, |
| VideoProfile toProfile); |
| |
| /** |
| * Provides a response to a request to change the current video session properties. |
| * <p> |
| * For example, if the peer requests and upgrade from an audio-only call to a bi-directional |
| * video call, could decline the request and keep the call as audio-only. |
| * In such a scenario, the {@code responseProfile} would have a video state of |
| * {@link VideoProfile#STATE_AUDIO_ONLY}. If the user had decided to accept the request, |
| * the video state would be {@link VideoProfile#STATE_BIDIRECTIONAL}. |
| * <p> |
| * Sent from the {@link InCallService} via |
| * {@link InCallService.VideoCall#sendSessionModifyResponse(VideoProfile)} in response to |
| * a {@link InCallService.VideoCall.Callback#onSessionModifyRequestReceived(VideoProfile)} |
| * callback. |
| * |
| * @param responseProfile The response video profile. |
| */ |
| public abstract void onSendSessionModifyResponse(VideoProfile responseProfile); |
| |
| /** |
| * Issues a request to the {@link VideoProvider} to retrieve the camera capabilities. |
| * <p> |
| * The {@link VideoProvider} should respond by communicating the capabilities of the chosen |
| * camera via |
| * {@link VideoProvider#changeCameraCapabilities(VideoProfile.CameraCapabilities)}. |
| * <p> |
| * Sent from the {@link InCallService} via |
| * {@link InCallService.VideoCall#requestCameraCapabilities()}. |
| */ |
| public abstract void onRequestCameraCapabilities(); |
| |
| /** |
| * Issues a request to the {@link VideoProvider} to retrieve the current data usage for the |
| * video component of the current {@link Connection}. |
| * <p> |
| * The {@link VideoProvider} should respond by communicating current data usage, in bytes, |
| * via {@link VideoProvider#setCallDataUsage(long)}. |
| * <p> |
| * Sent from the {@link InCallService} via |
| * {@link InCallService.VideoCall#requestCallDataUsage()}. |
| */ |
| public abstract void onRequestConnectionDataUsage(); |
| |
| /** |
| * Provides the {@link VideoProvider} with the {@link Uri} of an image to be displayed to |
| * the peer device when the video signal is paused. |
| * <p> |
| * Sent from the {@link InCallService} via |
| * {@link InCallService.VideoCall#setPauseImage(Uri)}. |
| * |
| * @param uri URI of image to display. |
| */ |
| public abstract void onSetPauseImage(Uri uri); |
| |
| /** |
| * Used to inform listening {@link InCallService} implementations when the |
| * {@link VideoProvider} receives a session modification request. |
| * <p> |
| * Received by the {@link InCallService} via |
| * {@link InCallService.VideoCall.Callback#onSessionModifyRequestReceived(VideoProfile)}, |
| * |
| * @param videoProfile The requested video profile. |
| * @see #onSendSessionModifyRequest(VideoProfile, VideoProfile) |
| */ |
| public void receiveSessionModifyRequest(VideoProfile videoProfile) { |
| if (mVideoCallbacks != null) { |
| for (IVideoCallback callback : mVideoCallbacks.values()) { |
| try { |
| callback.receiveSessionModifyRequest(videoProfile); |
| } catch (RemoteException ignored) { |
| Log.w(this, "receiveSessionModifyRequest callback failed", ignored); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Used to inform listening {@link InCallService} implementations when the |
| * {@link VideoProvider} receives a response to a session modification request. |
| * <p> |
| * Received by the {@link InCallService} via |
| * {@link InCallService.VideoCall.Callback#onSessionModifyResponseReceived(int, |
| * VideoProfile, VideoProfile)}. |
| * |
| * @param status Status of the session modify request. Valid values are |
| * {@link VideoProvider#SESSION_MODIFY_REQUEST_SUCCESS}, |
| * {@link VideoProvider#SESSION_MODIFY_REQUEST_FAIL}, |
| * {@link VideoProvider#SESSION_MODIFY_REQUEST_INVALID}, |
| * {@link VideoProvider#SESSION_MODIFY_REQUEST_TIMED_OUT}, |
| * {@link VideoProvider#SESSION_MODIFY_REQUEST_REJECTED_BY_REMOTE} |
| * @param requestedProfile The original request which was sent to the peer device. |
| * @param responseProfile The actual profile changes agreed to by the peer device. |
| * @see #onSendSessionModifyRequest(VideoProfile, VideoProfile) |
| */ |
| public void receiveSessionModifyResponse(int status, |
| VideoProfile requestedProfile, VideoProfile responseProfile) { |
| if (mVideoCallbacks != null) { |
| for (IVideoCallback callback : mVideoCallbacks.values()) { |
| try { |
| callback.receiveSessionModifyResponse(status, requestedProfile, |
| responseProfile); |
| } catch (RemoteException ignored) { |
| Log.w(this, "receiveSessionModifyResponse callback failed", ignored); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Used to inform listening {@link InCallService} implementations when the |
| * {@link VideoProvider} reports a call session event. |
| * <p> |
| * Received by the {@link InCallService} via |
| * {@link InCallService.VideoCall.Callback#onCallSessionEvent(int)}. |
| * |
| * @param event The event. Valid values are: {@link VideoProvider#SESSION_EVENT_RX_PAUSE}, |
| * {@link VideoProvider#SESSION_EVENT_RX_RESUME}, |
| * {@link VideoProvider#SESSION_EVENT_TX_START}, |
| * {@link VideoProvider#SESSION_EVENT_TX_STOP}, |
| * {@link VideoProvider#SESSION_EVENT_CAMERA_FAILURE}, |
| * {@link VideoProvider#SESSION_EVENT_CAMERA_READY}. |
| */ |
| public void handleCallSessionEvent(int event) { |
| if (mVideoCallbacks != null) { |
| for (IVideoCallback callback : mVideoCallbacks.values()) { |
| try { |
| callback.handleCallSessionEvent(event); |
| } catch (RemoteException ignored) { |
| Log.w(this, "handleCallSessionEvent callback failed", ignored); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Used to inform listening {@link InCallService} implementations when the dimensions of the |
| * peer's video have changed. |
| * <p> |
| * This could occur if, for example, the peer rotates their device, changing the aspect |
| * ratio of the video, or if the user switches between the back and front cameras. |
| * <p> |
| * Received by the {@link InCallService} via |
| * {@link InCallService.VideoCall.Callback#onPeerDimensionsChanged(int, int)}. |
| * |
| * @param width The updated peer video width. |
| * @param height The updated peer video height. |
| */ |
| public void changePeerDimensions(int width, int height) { |
| if (mVideoCallbacks != null) { |
| for (IVideoCallback callback : mVideoCallbacks.values()) { |
| try { |
| callback.changePeerDimensions(width, height); |
| } catch (RemoteException ignored) { |
| Log.w(this, "changePeerDimensions callback failed", ignored); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Used to inform listening {@link InCallService} implementations when the data usage of the |
| * video associated with the current {@link Connection} has changed. |
| * <p> |
| * This could be in response to a preview request via |
| * {@link #onRequestConnectionDataUsage()}, or as a periodic update by the |
| * {@link VideoProvider}. Where periodic updates of data usage are provided, they should be |
| * provided at most for every 1 MB of data transferred and no more than once every 10 sec. |
| * <p> |
| * Received by the {@link InCallService} via |
| * {@link InCallService.VideoCall.Callback#onCallDataUsageChanged(long)}. |
| * |
| * @param dataUsage The updated data usage (in bytes). Reported as the cumulative bytes |
| * used since the start of the call. |
| */ |
| public void setCallDataUsage(long dataUsage) { |
| if (mVideoCallbacks != null) { |
| for (IVideoCallback callback : mVideoCallbacks.values()) { |
| try { |
| callback.changeCallDataUsage(dataUsage); |
| } catch (RemoteException ignored) { |
| Log.w(this, "setCallDataUsage callback failed", ignored); |
| } |
| } |
| } |
| } |
| |
| /** |
| * @see #setCallDataUsage(long) |
| * |
| * @param dataUsage The updated data usage (in byes). |
| * @deprecated - Use {@link #setCallDataUsage(long)} instead. |
| * @hide |
| */ |
| public void changeCallDataUsage(long dataUsage) { |
| setCallDataUsage(dataUsage); |
| } |
| |
| /** |
| * Used to inform listening {@link InCallService} implementations when the capabilities of |
| * the current camera have changed. |
| * <p> |
| * The {@link VideoProvider} should call this in response to |
| * {@link VideoProvider#onRequestCameraCapabilities()}, or when the current camera is |
| * changed via {@link VideoProvider#onSetCamera(String)}. |
| * <p> |
| * Received by the {@link InCallService} via |
| * {@link InCallService.VideoCall.Callback#onCameraCapabilitiesChanged( |
| * VideoProfile.CameraCapabilities)}. |
| * |
| * @param cameraCapabilities The new camera capabilities. |
| */ |
| public void changeCameraCapabilities(VideoProfile.CameraCapabilities cameraCapabilities) { |
| if (mVideoCallbacks != null) { |
| for (IVideoCallback callback : mVideoCallbacks.values()) { |
| try { |
| callback.changeCameraCapabilities(cameraCapabilities); |
| } catch (RemoteException ignored) { |
| Log.w(this, "changeCameraCapabilities callback failed", ignored); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Used to inform listening {@link InCallService} implementations when the video quality |
| * of the call has changed. |
| * <p> |
| * Received by the {@link InCallService} via |
| * {@link InCallService.VideoCall.Callback#onVideoQualityChanged(int)}. |
| * |
| * @param videoQuality The updated video quality. Valid values: |
| * {@link VideoProfile#QUALITY_HIGH}, |
| * {@link VideoProfile#QUALITY_MEDIUM}, |
| * {@link VideoProfile#QUALITY_LOW}, |
| * {@link VideoProfile#QUALITY_DEFAULT}. |
| */ |
| public void changeVideoQuality(int videoQuality) { |
| if (mVideoCallbacks != null) { |
| for (IVideoCallback callback : mVideoCallbacks.values()) { |
| try { |
| callback.changeVideoQuality(videoQuality); |
| } catch (RemoteException ignored) { |
| Log.w(this, "changeVideoQuality callback failed", ignored); |
| } |
| } |
| } |
| } |
| } |
| |
| private final Listener mConnectionDeathListener = new Listener() { |
| @Override |
| public void onDestroyed(Connection c) { |
| if (mConferenceables.remove(c)) { |
| fireOnConferenceableConnectionsChanged(); |
| } |
| } |
| }; |
| |
| private final Conference.Listener mConferenceDeathListener = new Conference.Listener() { |
| @Override |
| public void onDestroyed(Conference c) { |
| if (mConferenceables.remove(c)) { |
| fireOnConferenceableConnectionsChanged(); |
| } |
| } |
| }; |
| |
| /** |
| * 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<Listener> mListeners = Collections.newSetFromMap( |
| new ConcurrentHashMap<Listener, Boolean>(8, 0.9f, 1)); |
| private final List<Conferenceable> mConferenceables = new ArrayList<>(); |
| private final List<Conferenceable> mUnmodifiableConferenceables = |
| Collections.unmodifiableList(mConferenceables); |
| |
| // The internal telecom call ID associated with this connection. |
| private String mTelecomCallId; |
| private int mState = STATE_NEW; |
| private CallAudioState mCallAudioState; |
| private Uri mAddress; |
| private int mAddressPresentation; |
| private String mCallerDisplayName; |
| private int mCallerDisplayNamePresentation; |
| private boolean mRingbackRequested = false; |
| private int mConnectionCapabilities; |
| private VideoProvider mVideoProvider; |
| private boolean mAudioModeIsVoip; |
| private long mConnectTimeMillis = Conference.CONNECT_TIME_NOT_SPECIFIED; |
| private StatusHints mStatusHints; |
| private int mVideoState; |
| private DisconnectCause mDisconnectCause; |
| private Conference mConference; |
| private ConnectionService mConnectionService; |
| private Bundle mExtras; |
| |
| /** |
| * Create a new Connection. |
| */ |
| public Connection() {} |
| |
| /** |
| * Returns the Telecom internal call ID associated with this connection. Should only be used |
| * for debugging and tracing purposes. |
| * |
| * @return The Telecom call ID. |
| * @hide |
| */ |
| public final String getTelecomCallId() { |
| return mTelecomCallId; |
| } |
| |
| /** |
| * @return The address (e.g., phone number) to which this Connection is currently communicating. |
| */ |
| public final Uri getAddress() { |
| return mAddress; |
| } |
| |
| /** |
| * @return The presentation requirements for the address. |
| * See {@link TelecomManager} for valid values. |
| */ |
| public final int getAddressPresentation() { |
| return mAddressPresentation; |
| } |
| |
| /** |
| * @return The caller display name (CNAP). |
| */ |
| public final String getCallerDisplayName() { |
| return mCallerDisplayName; |
| } |
| |
| /** |
| * @return The presentation requirements for the handle. |
| * See {@link TelecomManager} for valid values. |
| */ |
| public final int getCallerDisplayNamePresentation() { |
| return mCallerDisplayNamePresentation; |
| } |
| |
| /** |
| * @return The state of this Connection. |
| */ |
| public final int getState() { |
| return mState; |
| } |
| |
| /** |
| * Returns the video state of the connection. |
| * Valid values: {@link VideoProfile#STATE_AUDIO_ONLY}, |
| * {@link VideoProfile#STATE_BIDIRECTIONAL}, |
| * {@link VideoProfile#STATE_TX_ENABLED}, |
| * {@link VideoProfile#STATE_RX_ENABLED}. |
| * |
| * @return The video state of the connection. |
| * @hide |
| */ |
| public final int getVideoState() { |
| return mVideoState; |
| } |
| |
| /** |
| * @return The audio state of the connection, describing how its audio is currently |
| * being routed by the system. This is {@code null} if this Connection |
| * does not directly know about its audio state. |
| * @deprecated Use {@link #getCallAudioState()} instead. |
| * @hide |
| */ |
| @SystemApi |
| @Deprecated |
| public final AudioState getAudioState() { |
| if (mCallAudioState == null) { |
| return null; |
| } |
| return new AudioState(mCallAudioState); |
| } |
| |
| /** |
| * @return The audio state of the connection, describing how its audio is currently |
| * being routed by the system. This is {@code null} if this Connection |
| * does not directly know about its audio state. |
| */ |
| public final CallAudioState getCallAudioState() { |
| return mCallAudioState; |
| } |
| |
| /** |
| * @return The conference that this connection is a part of. Null if it is not part of any |
| * conference. |
| */ |
| public final Conference getConference() { |
| return mConference; |
| } |
| |
| /** |
| * Returns whether this connection is requesting that the system play a ringback tone |
| * on its behalf. |
| */ |
| public final boolean isRingbackRequested() { |
| return mRingbackRequested; |
| } |
| |
| /** |
| * @return True if the connection's audio mode is VOIP. |
| */ |
| public final boolean getAudioModeIsVoip() { |
| return mAudioModeIsVoip; |
| } |
| |
| /** |
| * Retrieves the connection start time of the {@code Connnection}, if specified. A value of |
| * {@link Conference#CONNECT_TIME_NOT_SPECIFIED} indicates that Telecom should determine the |
| * start time of the conference. |
| * |
| * @return The time at which the {@code Connnection} was connected. |
| * |
| * @hide |
| */ |
| public final long getConnectTimeMillis() { |
| return mConnectTimeMillis; |
| } |
| |
| /** |
| * @return The status hints for this connection. |
| */ |
| public final StatusHints getStatusHints() { |
| return mStatusHints; |
| } |
| |
| /** |
| * @return The extras associated with this connection. |
| */ |
| public final Bundle getExtras() { |
| return mExtras; |
| } |
| |
| /** |
| * Assign a listener to be notified of state changes. |
| * |
| * @param l A listener. |
| * @return This Connection. |
| * |
| * @hide |
| */ |
| public final Connection addConnectionListener(Listener l) { |
| mListeners.add(l); |
| return this; |
| } |
| |
| /** |
| * Remove a previously assigned listener that was being notified of state changes. |
| * |
| * @param l A Listener. |
| * @return This Connection. |
| * |
| * @hide |
| */ |
| public final Connection removeConnectionListener(Listener l) { |
| if (l != null) { |
| mListeners.remove(l); |
| } |
| return this; |
| } |
| |
| /** |
| * @return The {@link DisconnectCause} for this connection. |
| */ |
| public final DisconnectCause getDisconnectCause() { |
| return mDisconnectCause; |
| } |
| |
| /** |
| * Sets the telecom call ID associated with this Connection. The Telecom Call ID should be used |
| * ONLY for debugging purposes. |
| * |
| * @param callId The telecom call ID. |
| * @hide |
| */ |
| public void setTelecomCallId(String callId) { |
| mTelecomCallId = callId; |
| } |
| |
| /** |
| * Inform this Connection that the state of its audio output has been changed externally. |
| * |
| * @param state The new audio state. |
| * @hide |
| */ |
| final void setCallAudioState(CallAudioState state) { |
| checkImmutable(); |
| Log.d(this, "setAudioState %s", state); |
| mCallAudioState = state; |
| onAudioStateChanged(getAudioState()); |
| onCallAudioStateChanged(state); |
| } |
| |
| /** |
| * @param state An integer value of a {@code STATE_*} constant. |
| * @return A string representation of the value. |
| */ |
| public static String stateToString(int state) { |
| switch (state) { |
| case STATE_INITIALIZING: |
| return "INITIALIZING"; |
| case STATE_NEW: |
| return "NEW"; |
| case STATE_RINGING: |
| return "RINGING"; |
| case STATE_DIALING: |
| return "DIALING"; |
| case STATE_ACTIVE: |
| return "ACTIVE"; |
| case STATE_HOLDING: |
| return "HOLDING"; |
| case STATE_DISCONNECTED: |
| return "DISCONNECTED"; |
| default: |
| Log.wtf(Connection.class, "Unknown state %d", state); |
| return "UNKNOWN"; |
| } |
| } |
| |
| /** |
| * Returns the connection's capabilities, as a bit mask of the {@code CAPABILITY_*} constants. |
| */ |
| public final int getConnectionCapabilities() { |
| return mConnectionCapabilities; |
| } |
| |
| /** |
| * Sets the value of the {@link #getAddress()} property. |
| * |
| * @param address The new address. |
| * @param presentation The presentation requirements for the address. |
| * See {@link TelecomManager} for valid values. |
| */ |
| public final void setAddress(Uri address, int presentation) { |
| checkImmutable(); |
| Log.d(this, "setAddress %s", address); |
| mAddress = address; |
| mAddressPresentation = presentation; |
| for (Listener l : mListeners) { |
| l.onAddressChanged(this, address, presentation); |
| } |
| } |
| |
| /** |
| * Sets the caller display name (CNAP). |
| * |
| * @param callerDisplayName The new display name. |
| * @param presentation The presentation requirements for the handle. |
| * See {@link TelecomManager} for valid values. |
| */ |
| public final void setCallerDisplayName(String callerDisplayName, int presentation) { |
| checkImmutable(); |
| Log.d(this, "setCallerDisplayName %s", callerDisplayName); |
| mCallerDisplayName = callerDisplayName; |
| mCallerDisplayNamePresentation = presentation; |
| for (Listener l : mListeners) { |
| l.onCallerDisplayNameChanged(this, callerDisplayName, presentation); |
| } |
| } |
| |
| /** |
| * Set the video state for the connection. |
| * Valid values: {@link VideoProfile#STATE_AUDIO_ONLY}, |
| * {@link VideoProfile#STATE_BIDIRECTIONAL}, |
| * {@link VideoProfile#STATE_TX_ENABLED}, |
| * {@link VideoProfile#STATE_RX_ENABLED}. |
| * |
| * @param videoState The new video state. |
| */ |
| public final void setVideoState(int videoState) { |
| checkImmutable(); |
| Log.d(this, "setVideoState %d", videoState); |
| mVideoState = videoState; |
| for (Listener l : mListeners) { |
| l.onVideoStateChanged(this, mVideoState); |
| } |
| } |
| |
| /** |
| * Sets state to active (e.g., an ongoing connection where two or more parties can actively |
| * communicate). |
| */ |
| public final void setActive() { |
| checkImmutable(); |
| setRingbackRequested(false); |
| setState(STATE_ACTIVE); |
| } |
| |
| /** |
| * Sets state to ringing (e.g., an inbound ringing connection). |
| */ |
| public final void setRinging() { |
| checkImmutable(); |
| setState(STATE_RINGING); |
| } |
| |
| /** |
| * Sets state to initializing (this Connection is not yet ready to be used). |
| */ |
| public final void setInitializing() { |
| checkImmutable(); |
| setState(STATE_INITIALIZING); |
| } |
| |
| /** |
| * Sets state to initialized (the Connection has been set up and is now ready to be used). |
| */ |
| public final void setInitialized() { |
| checkImmutable(); |
| setState(STATE_NEW); |
| } |
| |
| /** |
| * Sets state to dialing (e.g., dialing an outbound connection). |
| */ |
| public final void setDialing() { |
| checkImmutable(); |
| setState(STATE_DIALING); |
| } |
| |
| /** |
| * Sets state to be on hold. |
| */ |
| public final void setOnHold() { |
| checkImmutable(); |
| setState(STATE_HOLDING); |
| } |
| |
| /** |
| * Sets the video connection provider. |
| * @param videoProvider The video provider. |
| */ |
| public final void setVideoProvider(VideoProvider videoProvider) { |
| checkImmutable(); |
| mVideoProvider = videoProvider; |
| for (Listener l : mListeners) { |
| l.onVideoProviderChanged(this, videoProvider); |
| } |
| } |
| |
| public final VideoProvider getVideoProvider() { |
| return mVideoProvider; |
| } |
| |
| /** |
| * Sets state to disconnected. |
| * |
| * @param disconnectCause The reason for the disconnection, as specified by |
| * {@link DisconnectCause}. |
| */ |
| public final void setDisconnected(DisconnectCause disconnectCause) { |
| checkImmutable(); |
| mDisconnectCause = disconnectCause; |
| setState(STATE_DISCONNECTED); |
| Log.d(this, "Disconnected with cause %s", disconnectCause); |
| for (Listener l : mListeners) { |
| l.onDisconnected(this, disconnectCause); |
| } |
| } |
| |
| /** |
| * Informs listeners that this {@code Connection} is in a post-dial wait state. This is done |
| * when (a) the {@code Connection} is issuing a DTMF sequence; (b) it has encountered a "wait" |
| * character; and (c) it wishes to inform the In-Call app that it is waiting for the end-user |
| * to send an {@link #onPostDialContinue(boolean)} signal. |
| * |
| * @param remaining The DTMF character sequence remaining to be emitted once the |
| * {@link #onPostDialContinue(boolean)} is received, including any "wait" characters |
| * that remaining sequence may contain. |
| */ |
| public final void setPostDialWait(String remaining) { |
| checkImmutable(); |
| for (Listener l : mListeners) { |
| l.onPostDialWait(this, remaining); |
| } |
| } |
| |
| /** |
| * Informs listeners that this {@code Connection} has processed a character in the post-dial |
| * started state. This is done when (a) the {@code Connection} is issuing a DTMF sequence; |
| * and (b) it wishes to signal Telecom to play the corresponding DTMF tone locally. |
| * |
| * @param nextChar The DTMF character that was just processed by the {@code Connection}. |
| */ |
| public final void setNextPostDialChar(char nextChar) { |
| checkImmutable(); |
| for (Listener l : mListeners) { |
| l.onPostDialChar(this, nextChar); |
| } |
| } |
| |
| /** |
| * Requests that the framework play a ringback tone. This is to be invoked by implementations |
| * that do not play a ringback tone themselves in the connection's audio stream. |
| * |
| * @param ringback Whether the ringback tone is to be played. |
| */ |
| public final void setRingbackRequested(boolean ringback) { |
| checkImmutable(); |
| if (mRingbackRequested != ringback) { |
| mRingbackRequested = ringback; |
| for (Listener l : mListeners) { |
| l.onRingbackRequested(this, ringback); |
| } |
| } |
| } |
| |
| /** |
| * Sets the connection's capabilities as a bit mask of the {@code CAPABILITY_*} constants. |
| * |
| * @param connectionCapabilities The new connection capabilities. |
| */ |
| public final void setConnectionCapabilities(int connectionCapabilities) { |
| checkImmutable(); |
| if (mConnectionCapabilities != connectionCapabilities) { |
| mConnectionCapabilities = connectionCapabilities; |
| for (Listener l : mListeners) { |
| l.onConnectionCapabilitiesChanged(this, mConnectionCapabilities); |
| } |
| } |
| } |
| |
| /** |
| * Tears down the Connection object. |
| */ |
| public final void destroy() { |
| for (Listener l : mListeners) { |
| l.onDestroyed(this); |
| } |
| } |
| |
| /** |
| * Requests that the framework use VOIP audio mode for this connection. |
| * |
| * @param isVoip True if the audio mode is VOIP. |
| */ |
| public final void setAudioModeIsVoip(boolean isVoip) { |
| checkImmutable(); |
| mAudioModeIsVoip = isVoip; |
| for (Listener l : mListeners) { |
| l.onAudioModeIsVoipChanged(this, isVoip); |
| } |
| } |
| |
| /** |
| * Sets the time at which a call became active on this Connection. This is set only |
| * when a conference call becomes active on this connection. |
| * |
| * @param connectionTimeMillis The connection time, in milliseconds. |
| * |
| * @hide |
| */ |
| public final void setConnectTimeMillis(long connectTimeMillis) { |
| mConnectTimeMillis = connectTimeMillis; |
| } |
| |
| /** |
| * Sets the label and icon status to display in the in-call UI. |
| * |
| * @param statusHints The status label and icon to set. |
| */ |
| public final void setStatusHints(StatusHints statusHints) { |
| checkImmutable(); |
| mStatusHints = statusHints; |
| for (Listener l : mListeners) { |
| l.onStatusHintsChanged(this, statusHints); |
| } |
| } |
| |
| /** |
| * Sets the connections with which this connection can be conferenced. |
| * |
| * @param conferenceableConnections The set of connections this connection can conference with. |
| */ |
| public final void setConferenceableConnections(List<Connection> conferenceableConnections) { |
| checkImmutable(); |
| clearConferenceableList(); |
| for (Connection c : conferenceableConnections) { |
| // If statement checks for duplicates in input. It makes it N^2 but we're dealing with a |
| // small amount of items here. |
| if (!mConferenceables.contains(c)) { |
| c.addConnectionListener(mConnectionDeathListener); |
| mConferenceables.add(c); |
| } |
| } |
| fireOnConferenceableConnectionsChanged(); |
| } |
| |
| /** |
| * Similar to {@link #setConferenceableConnections(java.util.List)}, sets a list of connections |
| * or conferences with which this connection can be conferenced. |
| * |
| * @param conferenceables The conferenceables. |
| */ |
| public final void setConferenceables(List<Conferenceable> conferenceables) { |
| clearConferenceableList(); |
| for (Conferenceable c : conferenceables) { |
| // If statement checks for duplicates in input. It makes it N^2 but we're dealing with a |
| // small amount of items here. |
| if (!mConferenceables.contains(c)) { |
| if (c instanceof Connection) { |
| Connection connection = (Connection) c; |
| connection.addConnectionListener(mConnectionDeathListener); |
| } else if (c instanceof Conference) { |
| Conference conference = (Conference) c; |
| conference.addListener(mConferenceDeathListener); |
| } |
| mConferenceables.add(c); |
| } |
| } |
| fireOnConferenceableConnectionsChanged(); |
| } |
| |
| /** |
| * Returns the connections or conferences with which this connection can be conferenced. |
| */ |
| public final List<Conferenceable> getConferenceables() { |
| return mUnmodifiableConferenceables; |
| } |
| |
| /** |
| * @hide |
| */ |
| public final void setConnectionService(ConnectionService connectionService) { |
| checkImmutable(); |
| if (mConnectionService != null) { |
| Log.e(this, new Exception(), "Trying to set ConnectionService on a connection " + |
| "which is already associated with another ConnectionService."); |
| } else { |
| mConnectionService = connectionService; |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public final void unsetConnectionService(ConnectionService connectionService) { |
| if (mConnectionService != connectionService) { |
| Log.e(this, new Exception(), "Trying to remove ConnectionService from a Connection " + |
| "that does not belong to the ConnectionService."); |
| } else { |
| mConnectionService = null; |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public final ConnectionService getConnectionService() { |
| return mConnectionService; |
| } |
| |
| /** |
| * Sets the conference that this connection is a part of. This will fail if the connection is |
| * already part of a conference. {@link #resetConference} to un-set the conference first. |
| * |
| * @param conference The conference. |
| * @return {@code true} if the conference was successfully set. |
| * @hide |
| */ |
| public final boolean setConference(Conference conference) { |
| checkImmutable(); |
| // We check to see if it is already part of another conference. |
| if (mConference == null) { |
| mConference = conference; |
| if (mConnectionService != null && mConnectionService.containsConference(conference)) { |
| fireConferenceChanged(); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Resets the conference that this connection is a part of. |
| * @hide |
| */ |
| public final void resetConference() { |
| if (mConference != null) { |
| Log.d(this, "Conference reset"); |
| mConference = null; |
| fireConferenceChanged(); |
| } |
| } |
| |
| /** |
| * Set some extras that can be associated with this {@code Connection}. No assumptions should |
| * be made as to how an In-Call UI or service will handle these extras. |
| * Keys should be fully qualified (e.g., com.example.MY_EXTRA) to avoid conflicts. |
| * |
| * @param extras The extras associated with this {@code Connection}. |
| */ |
| public final void setExtras(@Nullable Bundle extras) { |
| checkImmutable(); |
| mExtras = extras; |
| for (Listener l : mListeners) { |
| l.onExtrasChanged(this, extras); |
| } |
| } |
| |
| /** |
| * Notifies this Connection that the {@link #getAudioState()} property has a new value. |
| * |
| * @param state The new connection audio state. |
| * @deprecated Use {@link #onCallAudioStateChanged(CallAudioState)} instead. |
| * @hide |
| */ |
| @SystemApi |
| @Deprecated |
| public void onAudioStateChanged(AudioState state) {} |
| |
| /** |
| * Notifies this Connection that the {@link #getCallAudioState()} property has a new value. |
| * |
| * @param state The new connection audio state. |
| */ |
| public void onCallAudioStateChanged(CallAudioState state) {} |
| |
| /** |
| * Notifies this Connection of an internal state change. This method is called after the |
| * state is changed. |
| * |
| * @param state The new state, one of the {@code STATE_*} constants. |
| */ |
| public void onStateChanged(int state) {} |
| |
| /** |
| * Notifies this Connection of a request to play a DTMF tone. |
| * |
| * @param c A DTMF character. |
| */ |
| public void onPlayDtmfTone(char c) {} |
| |
| /** |
| * Notifies this Connection of a request to stop any currently playing DTMF tones. |
| */ |
| public void onStopDtmfTone() {} |
| |
| /** |
| * Notifies this Connection of a request to disconnect. |
| */ |
| public void onDisconnect() {} |
| |
| /** |
| * Notifies this Connection of a request to disconnect a participant of the conference managed |
| * by the connection. |
| * |
| * @param endpoint the {@link Uri} of the participant to disconnect. |
| * @hide |
| */ |
| public void onDisconnectConferenceParticipant(Uri endpoint) {} |
| |
| /** |
| * Notifies this Connection of a request to separate from its parent conference. |
| */ |
| public void onSeparate() {} |
| |
| /** |
| * Notifies this Connection of a request to abort. |
| */ |
| public void onAbort() {} |
| |
| /** |
| * Notifies this Connection of a request to hold. |
| */ |
| public void onHold() {} |
| |
| /** |
| * Notifies this Connection of a request to exit a hold state. |
| */ |
| public void onUnhold() {} |
| |
| /** |
| * Notifies this Connection, which is in {@link #STATE_RINGING}, of |
| * a request to accept. |
| * |
| * @param videoState The video state in which to answer the connection. |
| */ |
| public void onAnswer(int videoState) {} |
| |
| /** |
| * Notifies this Connection, which is in {@link #STATE_RINGING}, of |
| * a request to accept. |
| */ |
| public void onAnswer() { |
| onAnswer(VideoProfile.STATE_AUDIO_ONLY); |
| } |
| |
| /** |
| * Notifies this Connection, which is in {@link #STATE_RINGING}, of |
| * a request to reject. |
| */ |
| public void onReject() {} |
| |
| /** |
| * Notifies ths Connection of a request reject with a message. |
| * |
| * @hide |
| */ |
| public void onReject(String replyMessage) {} |
| |
| /** |
| * Notifies the Connection of a request to silence the ringer. |
| * |
| * @hide |
| */ |
| public void onSilence() {} |
| |
| /** |
| * Notifies this Connection whether the user wishes to proceed with the post-dial DTMF codes. |
| */ |
| public void onPostDialContinue(boolean proceed) {} |
| |
| static String toLogSafePhoneNumber(String number) { |
| // For unknown number, log empty string. |
| if (number == null) { |
| return ""; |
| } |
| |
| if (PII_DEBUG) { |
| // When PII_DEBUG is true we emit PII. |
| return number; |
| } |
| |
| // Do exactly same thing as Uri#toSafeString() does, which will enable us to compare |
| // sanitized phone numbers. |
| StringBuilder builder = new StringBuilder(); |
| for (int i = 0; i < number.length(); i++) { |
| char c = number.charAt(i); |
| if (c == '-' || c == '@' || c == '.') { |
| builder.append(c); |
| } else { |
| builder.append('x'); |
| } |
| } |
| return builder.toString(); |
| } |
| |
| private void setState(int state) { |
| checkImmutable(); |
| if (mState == STATE_DISCONNECTED && mState != state) { |
| Log.d(this, "Connection already DISCONNECTED; cannot transition out of this state."); |
| return; |
| } |
| if (mState != state) { |
| Log.d(this, "setState: %s", stateToString(state)); |
| mState = state; |
| onStateChanged(state); |
| for (Listener l : mListeners) { |
| l.onStateChanged(this, state); |
| } |
| } |
| } |
| |
| private static class FailureSignalingConnection extends Connection { |
| private boolean mImmutable = false; |
| public FailureSignalingConnection(DisconnectCause disconnectCause) { |
| setDisconnected(disconnectCause); |
| mImmutable = true; |
| } |
| |
| public void checkImmutable() { |
| if (mImmutable) { |
| throw new UnsupportedOperationException("Connection is immutable"); |
| } |
| } |
| } |
| |
| /** |
| * Return a {@code Connection} which represents a failed connection attempt. The returned |
| * {@code Connection} will have a {@link android.telecom.DisconnectCause} and as specified, |
| * and a {@link #getState()} of {@link #STATE_DISCONNECTED}. |
| * <p> |
| * The returned {@code Connection} can be assumed to {@link #destroy()} itself when appropriate, |
| * so users of this method need not maintain a reference to its return value to destroy it. |
| * |
| * @param disconnectCause The disconnect cause, ({@see android.telecomm.DisconnectCause}). |
| * @return A {@code Connection} which indicates failure. |
| */ |
| public static Connection createFailedConnection(DisconnectCause disconnectCause) { |
| return new FailureSignalingConnection(disconnectCause); |
| } |
| |
| /** |
| * Override to throw an {@link UnsupportedOperationException} if this {@code Connection} is |
| * not intended to be mutated, e.g., if it is a marker for failure. Only for framework use; |
| * this should never be un-@hide-den. |
| * |
| * @hide |
| */ |
| public void checkImmutable() {} |
| |
| /** |
| * Return a {@code Connection} which represents a canceled connection attempt. The returned |
| * {@code Connection} will have state {@link #STATE_DISCONNECTED}, and cannot be moved out of |
| * that state. This connection should not be used for anything, and no other |
| * {@code Connection}s should be attempted. |
| * <p> |
| * so users of this method need not maintain a reference to its return value to destroy it. |
| * |
| * @return A {@code Connection} which indicates that the underlying connection should |
| * be canceled. |
| */ |
| public static Connection createCanceledConnection() { |
| return new FailureSignalingConnection(new DisconnectCause(DisconnectCause.CANCELED)); |
| } |
| |
| private final void fireOnConferenceableConnectionsChanged() { |
| for (Listener l : mListeners) { |
| l.onConferenceablesChanged(this, getConferenceables()); |
| } |
| } |
| |
| private final void fireConferenceChanged() { |
| for (Listener l : mListeners) { |
| l.onConferenceChanged(this, mConference); |
| } |
| } |
| |
| private final void clearConferenceableList() { |
| for (Conferenceable c : mConferenceables) { |
| if (c instanceof Connection) { |
| Connection connection = (Connection) c; |
| connection.removeConnectionListener(mConnectionDeathListener); |
| } else if (c instanceof Conference) { |
| Conference conference = (Conference) c; |
| conference.removeListener(mConferenceDeathListener); |
| } |
| } |
| mConferenceables.clear(); |
| } |
| |
| /** |
| * Notifies listeners that the merge request failed. |
| * |
| * @hide |
| */ |
| protected final void notifyConferenceMergeFailed() { |
| for (Listener l : mListeners) { |
| l.onConferenceMergeFailed(this); |
| } |
| } |
| |
| /** |
| * Notifies listeners of a change to conference participant(s). |
| * |
| * @param conferenceParticipants The participants. |
| * @hide |
| */ |
| protected final void updateConferenceParticipants( |
| List<ConferenceParticipant> conferenceParticipants) { |
| for (Listener l : mListeners) { |
| l.onConferenceParticipantsChanged(this, conferenceParticipants); |
| } |
| } |
| |
| /** |
| * Notifies listeners that a conference call has been started. |
| * @hide |
| */ |
| protected void notifyConferenceStarted() { |
| for (Listener l : mListeners) { |
| l.onConferenceStarted(); |
| } |
| } |
| |
| /** |
| * Sends a connection event to Telecom. |
| * |
| * @param event The connection event. |
| * @hide |
| */ |
| protected void sendConnectionEvent(String event) { |
| for (Listener l : mListeners) { |
| l.onConnectionEvent(this, event); |
| } |
| } |
| } |