diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java index 70d0ccaeee116..97c97f2748dd0 100644 --- a/core/java/android/bluetooth/BluetoothAdapter.java +++ b/core/java/android/bluetooth/BluetoothAdapter.java @@ -3083,6 +3083,9 @@ public final class BluetoothAdapter { BluetoothCsipSetCoordinator csipSetCoordinator = new BluetoothCsipSetCoordinator(context, listener, this); return true; + } else if (profile == BluetoothProfile.LE_CALL_CONTROL) { + BluetoothLeCallControl tbs = new BluetoothLeCallControl(context, listener); + return true; } else { return false; } @@ -3181,6 +3184,10 @@ public final class BluetoothAdapter { (BluetoothCsipSetCoordinator) proxy; csipSetCoordinator.close(); break; + case BluetoothProfile.LE_CALL_CONTROL: + BluetoothLeCallControl tbs = (BluetoothLeCallControl) proxy; + tbs.close(); + break; } } diff --git a/core/java/android/bluetooth/BluetoothLeCall.java b/core/java/android/bluetooth/BluetoothLeCall.java new file mode 100644 index 0000000000000..fb7789db25c75 --- /dev/null +++ b/core/java/android/bluetooth/BluetoothLeCall.java @@ -0,0 +1,285 @@ +/* + * Copyright 2021 HIMSA II K/S - www.himsa.com. + * Represented by EHIMA - www.ehima.com + * + * 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.bluetooth; + +import android.annotation.IntDef; +import android.annotation.NonNull; +import android.os.Parcel; +import android.os.Parcelable; +import android.os.ParcelUuid; + +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.util.Objects; +import java.util.UUID; + +/** + * Representation of Call + * + * @hide + */ +public final class BluetoothLeCall implements Parcelable { + + /** @hide */ + @IntDef(prefix = "STATE_", value = { + STATE_INCOMING, + STATE_DIALING, + STATE_ALERTING, + STATE_ACTIVE, + STATE_LOCALLY_HELD, + STATE_REMOTELY_HELD, + STATE_LOCALLY_AND_REMOTELY_HELD + }) + @Retention(RetentionPolicy.SOURCE) + public @interface State { + } + + /** + * A remote party is calling (incoming call). + * + * @hide + */ + public static final int STATE_INCOMING = 0x00; + + /** + * The process to call the remote party has started but the remote party is not + * being alerted (outgoing call). + * + * @hide + */ + public static final int STATE_DIALING = 0x01; + + /** + * A remote party is being alerted (outgoing call). + * + * @hide + */ + public static final int STATE_ALERTING = 0x02; + + /** + * The call is in an active conversation. + * + * @hide + */ + public static final int STATE_ACTIVE = 0x03; + + /** + * The call is connected but held locally. “Locally Held” implies that either + * the server or the client can affect the state. + * + * @hide + */ + public static final int STATE_LOCALLY_HELD = 0x04; + + /** + * The call is connected but held remotely. “Remotely Held” means that the state + * is controlled by the remote party of a call. + * + * @hide + */ + public static final int STATE_REMOTELY_HELD = 0x05; + + /** + * The call is connected but held both locally and remotely. + * + * @hide + */ + public static final int STATE_LOCALLY_AND_REMOTELY_HELD = 0x06; + + /** + * Whether the call direction is outgoing. + * + * @hide + */ + public static final int FLAG_OUTGOING_CALL = 0x00000001; + + /** + * Whether the call URI and Friendly Name are withheld by server. + * + * @hide + */ + public static final int FLAG_WITHHELD_BY_SERVER = 0x00000002; + + /** + * Whether the call URI and Friendly Name are withheld by network. + * + * @hide + */ + public static final int FLAG_WITHHELD_BY_NETWORK = 0x00000004; + + /** Unique UUID that identifies this call */ + private UUID mUuid; + + /** Remote Caller URI */ + private String mUri; + + /** Caller friendly name */ + private String mFriendlyName; + + /** Call state */ + private @State int mState; + + /** Call flags */ + private int mCallFlags; + + /** @hide */ + public BluetoothLeCall(@NonNull BluetoothLeCall that) { + mUuid = new UUID(that.getUuid().getMostSignificantBits(), + that.getUuid().getLeastSignificantBits()); + mUri = that.mUri; + mFriendlyName = that.mFriendlyName; + mState = that.mState; + mCallFlags = that.mCallFlags; + } + + /** @hide */ + public BluetoothLeCall(@NonNull UUID uuid, @NonNull String uri, @NonNull String friendlyName, + @State int state, int callFlags) { + mUuid = uuid; + mUri = uri; + mFriendlyName = friendlyName; + mState = state; + mCallFlags = callFlags; + } + + @Override + public boolean equals(Object o) { + if (this == o) + return true; + if (o == null || getClass() != o.getClass()) + return false; + BluetoothLeCall that = (BluetoothLeCall) o; + return mUuid.equals(that.mUuid) && mUri.equals(that.mUri) + && mFriendlyName.equals(that.mFriendlyName) && mState == that.mState + && mCallFlags == that.mCallFlags; + } + + @Override + public int hashCode() { + return Objects.hash(mUuid, mUri, mFriendlyName, mState, mCallFlags); + } + + /** + * Returns a string representation of this BluetoothLeCall. + * + *

+ * Currently this is the UUID. + * + * @return string representation of this BluetoothLeCall + */ + @Override + public String toString() { + return mUuid.toString(); + } + + @Override + public int describeContents() { + return 0; + } + + @Override + public void writeToParcel(@NonNull Parcel out, int flags) { + out.writeParcelable(new ParcelUuid(mUuid), 0); + out.writeString(mUri); + out.writeString(mFriendlyName); + out.writeInt(mState); + out.writeInt(mCallFlags); + } + + public static final @android.annotation.NonNull Parcelable.Creator CREATOR = + new Parcelable.Creator() { + public BluetoothLeCall createFromParcel(Parcel in) { + return new BluetoothLeCall(in); + } + + public BluetoothLeCall[] newArray(int size) { + return new BluetoothLeCall[size]; + } + }; + + private BluetoothLeCall(Parcel in) { + mUuid = ((ParcelUuid) in.readParcelable(null)).getUuid(); + mUri = in.readString(); + mFriendlyName = in.readString(); + mState = in.readInt(); + mCallFlags = in.readInt(); + } + + /** + * Returns an UUID of this BluetoothLeCall. + * + *

+ * An UUID is unique identifier of a BluetoothLeCall. + * + * @return UUID of this BluetoothLeCall + * @hide + */ + public @NonNull UUID getUuid() { + return mUuid; + } + + /** + * Returns a URI of the remote party of this BluetoothLeCall. + * + * @return string representation of this BluetoothLeCall + * @hide + */ + public @NonNull String getUri() { + return mUri; + } + + /** + * Returns a friendly name of the call. + * + * @return friendly name representation of this BluetoothLeCall + * @hide + */ + public @NonNull String getFriendlyName() { + return mFriendlyName; + } + + /** + * Returns the call state. + * + * @return the state of this BluetoothLeCall + * @hide + */ + public @State int getState() { + return mState; + } + + /** + * Returns the call flags. + * + * @return call flags + * @hide + */ + public int getCallFlags() { + return mCallFlags; + } + + /** + * Whether the call direction is incoming. + * + * @return true if incoming call, false otherwise + * @hide + */ + public boolean isIncomingCall() { + return (mCallFlags & FLAG_OUTGOING_CALL) == 0; + } +} diff --git a/core/java/android/bluetooth/BluetoothLeCallControl.java b/core/java/android/bluetooth/BluetoothLeCallControl.java new file mode 100644 index 0000000000000..fb080c9ec3e37 --- /dev/null +++ b/core/java/android/bluetooth/BluetoothLeCallControl.java @@ -0,0 +1,899 @@ +/* + * Copyright 2019 HIMSA II K/S - www.himsa.com. + * Represented by EHIMA - www.ehima.com + * + * 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.bluetooth; + +import android.Manifest; +import android.annotation.IntDef; +import android.annotation.NonNull; +import android.annotation.Nullable; +import android.annotation.RequiresPermission; +import android.bluetooth.annotations.RequiresBluetoothConnectPermission; +import android.content.ComponentName; +import android.content.Context; +import android.os.Binder; +import android.os.Handler; +import android.os.IBinder; +import android.os.Looper; +import android.os.Message; +import android.os.ParcelUuid; +import android.os.RemoteException; +import android.util.Log; +import android.annotation.SuppressLint; + +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.UUID; +import java.util.concurrent.Executor; + +/** + * This class provides the APIs to control the Call Control profile. + * + *

+ * This class provides Bluetooth Telephone Bearer Service functionality, + * allowing applications to expose a GATT Service based interface to control the + * state of the calls by remote devices such as LE audio devices. + * + *

+ * BluetoothLeCallControl is a proxy object for controlling the Bluetooth Telephone Bearer + * Service via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get the + * BluetoothLeCallControl proxy object. + * + * @hide + */ +public final class BluetoothLeCallControl implements BluetoothProfile { + private static final String TAG = "BluetoothLeCallControl"; + private static final boolean DBG = true; + private static final boolean VDBG = false; + + /** @hide */ + @IntDef(prefix = "RESULT_", value = { + RESULT_SUCCESS, + RESULT_ERROR_UNKNOWN_CALL_ID, + RESULT_ERROR_INVALID_URI, + RESULT_ERROR_APPLICATION + }) + @Retention(RetentionPolicy.SOURCE) + public @interface Result { + } + + /** + * Opcode write was successful. + * + * @hide + */ + public static final int RESULT_SUCCESS = 0; + + /** + * Unknown call Id has been used in the operation. + * + * @hide + */ + public static final int RESULT_ERROR_UNKNOWN_CALL_ID = 1; + + /** + * The URI provided in {@link Callback#onPlaceCallRequest} is invalid. + * + * @hide + */ + public static final int RESULT_ERROR_INVALID_URI = 2; + + /** + * Application internal error. + * + * @hide + */ + public static final int RESULT_ERROR_APPLICATION = 3; + + /** @hide */ + @IntDef(prefix = "TERMINATION_REASON_", value = { + TERMINATION_REASON_INVALID_URI, + TERMINATION_REASON_FAIL, + TERMINATION_REASON_REMOTE_HANGUP, + TERMINATION_REASON_SERVER_HANGUP, + TERMINATION_REASON_LINE_BUSY, + TERMINATION_REASON_NETWORK_CONGESTION, + TERMINATION_REASON_CLIENT_HANGUP, + TERMINATION_REASON_NO_SERVICE, + TERMINATION_REASON_NO_ANSWER + }) + @Retention(RetentionPolicy.SOURCE) + public @interface TerminationReason { + } + + /** + * Remote Caller ID value used to place a call was formed improperly. + * + * @hide + */ + public static final int TERMINATION_REASON_INVALID_URI = 0x00; + + /** + * Call fail. + * + * @hide + */ + public static final int TERMINATION_REASON_FAIL = 0x01; + + /** + * Remote party ended call. + * + * @hide + */ + public static final int TERMINATION_REASON_REMOTE_HANGUP = 0x02; + + /** + * Call ended from the server. + * + * @hide + */ + public static final int TERMINATION_REASON_SERVER_HANGUP = 0x03; + + /** + * Line busy. + * + * @hide + */ + public static final int TERMINATION_REASON_LINE_BUSY = 0x04; + + /** + * Network congestion. + * + * @hide + */ + public static final int TERMINATION_REASON_NETWORK_CONGESTION = 0x05; + + /** + * Client terminated. + * + * @hide + */ + public static final int TERMINATION_REASON_CLIENT_HANGUP = 0x06; + + /** + * No service. + * + * @hide + */ + public static final int TERMINATION_REASON_NO_SERVICE = 0x07; + + /** + * No answer. + * + * @hide + */ + public static final int TERMINATION_REASON_NO_ANSWER = 0x08; + + /* + * Flag indicating support for hold/unhold call feature. + * + * @hide + */ + public static final int CAPABILITY_HOLD_CALL = 0x00000001; + + /** + * Flag indicating support for joining calls feature. + * + * @hide + */ + public static final int CAPABILITY_JOIN_CALLS = 0x00000002; + + private static final int MESSAGE_TBS_SERVICE_CONNECTED = 102; + private static final int MESSAGE_TBS_SERVICE_DISCONNECTED = 103; + + private static final int REG_TIMEOUT = 10000; + + /** + * The template class is used to call callback functions on events from the TBS + * server. Callback functions are wrapped in this class and registered to the + * Android system during app registration. + * + * @hide + */ + public abstract static class Callback { + + private static final String TAG = "BluetoothLeCallControl.Callback"; + + /** + * Called when a remote client requested to accept the call. + * + *

+ * An application must call {@link BluetoothLeCallControl#requestResult} to complete the + * request. + * + * @param requestId The Id of the request + * @param callId The call Id requested to be accepted + * @hide + */ + public abstract void onAcceptCall(int requestId, @NonNull UUID callId); + + /** + * A remote client has requested to terminate the call. + * + *

+ * An application must call {@link BluetoothLeCallControl#requestResult} to complete the + * request. + * + * @param requestId The Id of the request + * @param callId The call Id requested to terminate + * @hide + */ + public abstract void onTerminateCall(int requestId, @NonNull UUID callId); + + /** + * A remote client has requested to hold the call. + * + *

+ * An application must call {@link BluetoothLeCallControl#requestResult} to complete the + * request. + * + * @param requestId The Id of the request + * @param callId The call Id requested to be put on hold + * @hide + */ + public void onHoldCall(int requestId, @NonNull UUID callId) { + Log.e(TAG, "onHoldCall: unimplemented, however CAPABILITY_HOLD_CALL is set!"); + } + + /** + * A remote client has requested to unhold the call. + * + *

+ * An application must call {@link BluetoothLeCallControl#requestResult} to complete the + * request. + * + * @param requestId The Id of the request + * @param callId The call Id requested to unhold + * @hide + */ + public void onUnholdCall(int requestId, @NonNull UUID callId) { + Log.e(TAG, "onUnholdCall: unimplemented, however CAPABILITY_HOLD_CALL is set!"); + } + + /** + * A remote client has requested to place a call. + * + *

+ * An application must call {@link BluetoothLeCallControl#requestResult} to complete the + * request. + * + * @param requestId The Id of the request + * @param callId The Id to be assigned for the new call + * @param uri The caller URI requested + * @hide + */ + public abstract void onPlaceCall(int requestId, @NonNull UUID callId, @NonNull String uri); + + /** + * A remote client has requested to join the calls. + * + *

+ * An application must call {@link BluetoothLeCallControl#requestResult} to complete the + * request. + * + * @param requestId The Id of the request + * @param callIds The call Id list requested to join + * @hide + */ + public void onJoinCalls(int requestId, @NonNull List callIds) { + Log.e(TAG, "onJoinCalls: unimplemented, however CAPABILITY_JOIN_CALLS is set!"); + } + } + + private class CallbackWrapper extends IBluetoothLeCallControlCallback.Stub { + + private final Executor mExecutor; + private final Callback mCallback; + + CallbackWrapper(Executor executor, Callback callback) { + mExecutor = executor; + mCallback = callback; + } + + @Override + public void onBearerRegistered(int ccid) { + if (mCallback != null) { + mCcid = ccid; + } else { + // registration timeout + Log.e(TAG, "onBearerRegistered: mCallback is null"); + } + } + + @Override + public void onAcceptCall(int requestId, ParcelUuid uuid) { + final long identityToken = Binder.clearCallingIdentity(); + try { + mExecutor.execute(() -> mCallback.onAcceptCall(requestId, uuid.getUuid())); + } finally { + Binder.restoreCallingIdentity(identityToken); + } + } + + @Override + public void onTerminateCall(int requestId, ParcelUuid uuid) { + final long identityToken = Binder.clearCallingIdentity(); + try { + mExecutor.execute(() -> mCallback.onTerminateCall(requestId, uuid.getUuid())); + } finally { + Binder.restoreCallingIdentity(identityToken); + } + } + + @Override + public void onHoldCall(int requestId, ParcelUuid uuid) { + final long identityToken = Binder.clearCallingIdentity(); + try { + mExecutor.execute(() -> mCallback.onHoldCall(requestId, uuid.getUuid())); + } finally { + Binder.restoreCallingIdentity(identityToken); + } + } + + @Override + public void onUnholdCall(int requestId, ParcelUuid uuid) { + final long identityToken = Binder.clearCallingIdentity(); + try { + mExecutor.execute(() -> mCallback.onUnholdCall(requestId, uuid.getUuid())); + } finally { + Binder.restoreCallingIdentity(identityToken); + } + } + + @Override + public void onPlaceCall(int requestId, ParcelUuid uuid, String uri) { + final long identityToken = Binder.clearCallingIdentity(); + try { + mExecutor.execute(() -> mCallback.onPlaceCall(requestId, uuid.getUuid(), uri)); + } finally { + Binder.restoreCallingIdentity(identityToken); + } + } + + @Override + public void onJoinCalls(int requestId, List parcelUuids) { + List uuids = new ArrayList<>(); + for (ParcelUuid parcelUuid : parcelUuids) { + uuids.add(parcelUuid.getUuid()); + } + + final long identityToken = Binder.clearCallingIdentity(); + try { + mExecutor.execute(() -> mCallback.onJoinCalls(requestId, uuids)); + } finally { + Binder.restoreCallingIdentity(identityToken); + } + } + }; + + private Context mContext; + private ServiceListener mServiceListener; + private volatile IBluetoothLeCallControl mService; + private BluetoothAdapter mAdapter; + private int mCcid = 0; + private String mToken; + private Callback mCallback = null; + + private final IBluetoothStateChangeCallback mBluetoothStateChangeCallback = + new IBluetoothStateChangeCallback.Stub() { + public void onBluetoothStateChange(boolean up) { + if (DBG) + Log.d(TAG, "onBluetoothStateChange: up=" + up); + if (!up) { + doUnbind(); + } else { + doBind(); + } + } + }; + + /** + * Create a BluetoothLeCallControl proxy object for interacting with the local Bluetooth + * telephone bearer service. + */ + /* package */ BluetoothLeCallControl(Context context, ServiceListener listener) { + mContext = context; + mAdapter = BluetoothAdapter.getDefaultAdapter(); + mServiceListener = listener; + + IBluetoothManager mgr = mAdapter.getBluetoothManager(); + if (mgr != null) { + try { + mgr.registerStateChangeCallback(mBluetoothStateChangeCallback); + } catch (RemoteException e) { + Log.e(TAG, "", e); + } + } + + doBind(); + } + + private boolean doBind() { + synchronized (mConnection) { + if (mService == null) { + if (VDBG) + Log.d(TAG, "Binding service..."); + try { + return mAdapter.getBluetoothManager(). + bindBluetoothProfileService(BluetoothProfile.LE_CALL_CONTROL, + mConnection); + } catch (RemoteException e) { + Log.e(TAG, "Unable to bind TelephoneBearerService", e); + } + } + } + return false; + } + + private void doUnbind() { + synchronized (mConnection) { + if (mService != null) { + if (VDBG) + Log.d(TAG, "Unbinding service..."); + try { + mAdapter.getBluetoothManager(). + unbindBluetoothProfileService(BluetoothProfile.LE_CALL_CONTROL, + mConnection); + } catch (RemoteException e) { + Log.e(TAG, "Unable to unbind TelephoneBearerService", e); + } finally { + mService = null; + } + } + } + } + + /* package */ void close() { + if (VDBG) + log("close()"); + unregisterBearer(); + + IBluetoothManager mgr = mAdapter.getBluetoothManager(); + if (mgr != null) { + try { + mgr.unregisterStateChangeCallback(mBluetoothStateChangeCallback); + } catch (RemoteException re) { + Log.e(TAG, "", re); + } + } + mServiceListener = null; + doUnbind(); + } + + private IBluetoothLeCallControl getService() { + return mService; + } + + /** + * Not supported + * + * @throws UnsupportedOperationException + */ + @Override + public int getConnectionState(@Nullable BluetoothDevice device) { + throw new UnsupportedOperationException("not supported"); + } + + /** + * Not supported + * + * @throws UnsupportedOperationException + */ + @Override + public @NonNull List getConnectedDevices() { + throw new UnsupportedOperationException("not supported"); + } + + /** + * Not supported + * + * @throws UnsupportedOperationException + */ + @Override + public @NonNull List getDevicesMatchingConnectionStates( + @NonNull int[] states) { + throw new UnsupportedOperationException("not supported"); + } + + /** + * Register Telephone Bearer exposing the interface that allows remote devices + * to track and control the call states. + * + *

+ * This is an asynchronous call. The callback is used to notify success or + * failure if the function returns true. + * + *

+ * Requires {@link android.Manifest.permission#BLUETOOTH} permission. + * + * + * + * + * + * + * + * @param uci Bearer Unique Client Identifier + * @param uriSchemes URI Schemes supported list + * @param capabilities bearer capabilities + * @param provider Network provider name + * @param technology Network technology + * @param executor {@link Executor} object on which callback will be + * executed. The Executor object is required. + * @param callback {@link Callback} object to which callback messages will + * be sent. The Callback object is required. + * @return true on success, false otherwise + * @hide + */ + @SuppressLint("ExecutorRegistration") + @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) + public boolean registerBearer(@Nullable String uci, + @NonNull List uriSchemes, int capabilities, + @NonNull String provider, int technology, + @NonNull Executor executor, @NonNull Callback callback) { + if (DBG) { + Log.d(TAG, "registerBearer"); + } + if (callback == null) { + throw new IllegalArgumentException("null parameter: " + callback); + } + if (mCcid != 0) { + return false; + } + + mToken = uci; + + final IBluetoothLeCallControl service = getService(); + if (service != null) { + if (mCallback != null) { + Log.e(TAG, "Bearer can be opened only once"); + return false; + } + + mCallback = callback; + try { + CallbackWrapper callbackWrapper = new CallbackWrapper(executor, callback); + service.registerBearer(mToken, callbackWrapper, uci, uriSchemes, capabilities, + provider, technology); + } catch (RemoteException e) { + Log.e(TAG, "", e); + mCallback = null; + return false; + } + + if (mCcid == 0) { + mCallback = null; + return false; + } + + return true; + } + + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + } + + return false; + } + + /** + * Unregister Telephone Bearer Service and destroy all the associated data. + * + * @hide + */ + @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) + public void unregisterBearer() { + if (DBG) { + Log.d(TAG, "unregisterBearer"); + } + if (mCcid == 0) { + return; + } + + int ccid = mCcid; + mCcid = 0; + mCallback = null; + + final IBluetoothLeCallControl service = getService(); + if (service != null) { + try { + service.unregisterBearer(mToken); + } catch (RemoteException e) { + Log.e(TAG, "", e); + } + } + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + } + } + + /** + * Get the Content Control ID (CCID) value. + * + * @return ccid Content Control ID value + * @hide + */ + @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) + public int getContentControlId() { + return mCcid; + } + + /** + * Notify about the newly added call. + * + *

+ * This shall be called as early as possible after the call has been added. + * + *

+ * Requires {@link android.Manifest.permission#BLUETOOTH} permission. + * + * @param call Newly added call + * @hide + */ + @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) + public void onCallAdded(@NonNull BluetoothLeCall call) { + if (DBG) { + Log.d(TAG, "onCallAdded: call=" + call); + } + if (mCcid == 0) { + return; + } + + final IBluetoothLeCallControl service = getService(); + if (service != null) { + try { + service.callAdded(mCcid, call); + } catch (RemoteException e) { + Log.e(TAG, "", e); + } + } + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + } + } + + /** + * Notify about the removed call. + * + *

+ * This shall be called as early as possible after the call has been removed. + * + *

+ * Requires {@link android.Manifest.permission#BLUETOOTH} permission. + * + * @param callId The Id of a call that has been removed + * @param reason Call termination reason + * @hide + */ + @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) + public void onCallRemoved(@NonNull UUID callId, @TerminationReason int reason) { + if (DBG) { + Log.d(TAG, "callRemoved: callId=" + callId); + } + if (mCcid == 0) { + return; + } + + final IBluetoothLeCallControl service = getService(); + if (service != null) { + try { + service.callRemoved(mCcid, new ParcelUuid(callId), reason); + } catch (RemoteException e) { + Log.e(TAG, "", e); + } + } + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + } + } + + /** + * Notify the call state change + * + *

+ * This shall be called as early as possible after the state of the call has + * changed. + * + *

+ * Requires {@link android.Manifest.permission#BLUETOOTH} permission. + * + * @param callId The call Id that state has been changed + * @param state Call state + * @hide + */ + @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) + public void onCallStateChanged(@NonNull UUID callId, @BluetoothLeCall.State int state) { + if (DBG) { + Log.d(TAG, "callStateChanged: callId=" + callId + " state=" + state); + } + if (mCcid == 0) { + return; + } + + final IBluetoothLeCallControl service = getService(); + if (service != null) { + try { + service.callStateChanged(mCcid, new ParcelUuid(callId), state); + } catch (RemoteException e) { + Log.e(TAG, "", e); + } + } + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + } + } + + /** + * Provide the current calls list + * + *

+ * This function must be invoked after registration if application has any + * calls. + * + * @param calls current calls list + * @hide + */ + @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) + public void currentCallsList(@NonNull List calls) { + final IBluetoothLeCallControl service = getService(); + if (service != null) { + try { + service.currentCallsList(mCcid, calls); + } catch (RemoteException e) { + Log.e(TAG, "", e); + } + } + } + + /** + * Provide the network current status + * + *

+ * This function must be invoked on change of network state. + * + *

+ * Requires {@link android.Manifest.permission#BLUETOOTH} permission. + * + * + * + * @param provider Network provider name + * @param technology Network technology + * @hide + */ + @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) + public void networkStateChanged(@NonNull String provider, int technology) { + if (DBG) { + Log.d(TAG, "networkStateChanged: provider=" + provider + ", technology=" + technology); + } + if (mCcid == 0) { + return; + } + + final IBluetoothLeCallControl service = getService(); + if (service != null) { + try { + service.networkStateChanged(mCcid, provider, technology); + } catch (RemoteException e) { + Log.e(TAG, "", e); + } + } + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + } + } + + /** + * Send a response to a call control request to a remote device. + * + *

+ * This function must be invoked in when a request is received by one of these + * callback methods: + * + *

+ * + * @param requestId The ID of the request that was received with the callback + * @param result The result of the request to be sent to the remote devices + */ + @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) + public void requestResult(int requestId, @Result int result) { + if (DBG) { + Log.d(TAG, "requestResult: requestId=" + requestId + " result=" + result); + } + if (mCcid == 0) { + return; + } + + final IBluetoothLeCallControl service = getService(); + if (service != null) { + try { + service.requestResult(mCcid, requestId, result); + } catch (RemoteException e) { + Log.e(TAG, "", e); + } + } + } + + @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) + private static boolean isValidDevice(@Nullable BluetoothDevice device) { + return device != null && BluetoothAdapter.checkBluetoothAddress(device.getAddress()); + } + + private static void log(String msg) { + Log.d(TAG, msg); + } + + private final IBluetoothProfileServiceConnection mConnection = + new IBluetoothProfileServiceConnection.Stub() { + @Override + public void onServiceConnected(ComponentName className, IBinder service) { + if (DBG) { + Log.d(TAG, "Proxy object connected"); + } + mService = IBluetoothLeCallControl.Stub.asInterface(Binder.allowBlocking(service)); + mHandler.sendMessage(mHandler.obtainMessage(MESSAGE_TBS_SERVICE_CONNECTED)); + } + + @Override + public void onServiceDisconnected(ComponentName className) { + if (DBG) { + Log.d(TAG, "Proxy object disconnected"); + } + doUnbind(); + mHandler.sendMessage(mHandler.obtainMessage(MESSAGE_TBS_SERVICE_DISCONNECTED)); + } + }; + + private final Handler mHandler = new Handler(Looper.getMainLooper()) { + @Override + public void handleMessage(Message msg) { + switch (msg.what) { + case MESSAGE_TBS_SERVICE_CONNECTED: { + if (mServiceListener != null) { + mServiceListener.onServiceConnected(BluetoothProfile.LE_CALL_CONTROL, + BluetoothLeCallControl.this); + } + break; + } + case MESSAGE_TBS_SERVICE_DISCONNECTED: { + if (mServiceListener != null) { + mServiceListener.onServiceDisconnected(BluetoothProfile.LE_CALL_CONTROL); + } + break; + } + } + } + }; +} diff --git a/core/java/android/bluetooth/BluetoothProfile.java b/core/java/android/bluetooth/BluetoothProfile.java index e047e5d81a9df..d0f74e9857290 100644 --- a/core/java/android/bluetooth/BluetoothProfile.java +++ b/core/java/android/bluetooth/BluetoothProfile.java @@ -239,13 +239,20 @@ public interface BluetoothProfile { */ int LE_AUDIO_BROADCAST = 26; + /** + * @hide + * Telephone Bearer Service from Call Control Profile + * + */ + int LE_CALL_CONTROL = 27; + /** * Max profile ID. This value should be updated whenever a new profile is added to match * the largest value assigned to a profile. * * @hide */ - int MAX_PROFILE_ID = 26; + int MAX_PROFILE_ID = 27; /** * Default priority for devices that we try to auto-connect to and diff --git a/services/core/java/com/android/server/BluetoothManagerService.java b/services/core/java/com/android/server/BluetoothManagerService.java index 7e270d19db27d..4290e77dcbbef 100644 --- a/services/core/java/com/android/server/BluetoothManagerService.java +++ b/services/core/java/com/android/server/BluetoothManagerService.java @@ -46,6 +46,7 @@ import android.bluetooth.IBluetoothManager; import android.bluetooth.IBluetoothManagerCallback; import android.bluetooth.IBluetoothProfileServiceConnection; import android.bluetooth.IBluetoothStateChangeCallback; +import android.bluetooth.IBluetoothLeCallControl; import android.content.ActivityNotFoundException; import android.content.AttributionSource; import android.content.BroadcastReceiver; @@ -1324,11 +1325,15 @@ class BluetoothManagerService extends IBluetoothManager.Stub { + bluetoothProfile); } - if (bluetoothProfile != BluetoothProfile.HEADSET) { + Intent intent; + if (bluetoothProfile == BluetoothProfile.HEADSET) { + intent = new Intent(IBluetoothHeadset.class.getName()); + } else if (bluetoothProfile== BluetoothProfile.LE_CALL_CONTROL) { + intent = new Intent(IBluetoothLeCallControl.class.getName()); + } else { return false; } - Intent intent = new Intent(IBluetoothHeadset.class.getName()); psc = new ProfileServiceConnections(intent); if (!psc.bindService()) { return false;