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Diffstat (limited to 'framework/java/android/bluetooth/BluetoothAvrcpController.java')
| -rw-r--r-- | framework/java/android/bluetooth/BluetoothAvrcpController.java | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/framework/java/android/bluetooth/BluetoothAvrcpController.java b/framework/java/android/bluetooth/BluetoothAvrcpController.java new file mode 100644 index 0000000000..81fc3e11e9 --- /dev/null +++ b/framework/java/android/bluetooth/BluetoothAvrcpController.java @@ -0,0 +1,298 @@ +/* + * 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.bluetooth; + +import static android.bluetooth.BluetoothUtils.getSyncTimeout; + +import android.annotation.RequiresPermission; +import android.annotation.SdkConstant; +import android.annotation.SdkConstant.SdkConstantType; +import android.bluetooth.annotations.RequiresBluetoothConnectPermission; +import android.bluetooth.annotations.RequiresLegacyBluetoothPermission; +import android.content.AttributionSource; +import android.content.Context; +import android.os.IBinder; +import android.os.RemoteException; +import android.util.Log; + +import com.android.modules.utils.SynchronousResultReceiver; + +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.TimeoutException; + +/** + * This class provides the public APIs to control the Bluetooth AVRCP Controller. It currently + * supports player information, playback support and track metadata. + * + * <p>BluetoothAvrcpController is a proxy object for controlling the Bluetooth AVRCP + * Service via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get + * the BluetoothAvrcpController proxy object. + * + * {@hide} + */ +public final class BluetoothAvrcpController implements BluetoothProfile { + private static final String TAG = "BluetoothAvrcpController"; + private static final boolean DBG = false; + private static final boolean VDBG = false; + + /** + * Intent used to broadcast the change in connection state of the AVRCP Controller + * profile. + * + * <p>This intent will have 3 extras: + * <ul> + * <li> {@link #EXTRA_STATE} - The current state of the profile. </li> + * <li> {@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile.</li> + * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li> + * </ul> + * + * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of + * {@link #STATE_DISCONNECTED}, {@link #STATE_CONNECTING}, + * {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTING}. + */ + @RequiresLegacyBluetoothPermission + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) + public static final String ACTION_CONNECTION_STATE_CHANGED = + "android.bluetooth.avrcp-controller.profile.action.CONNECTION_STATE_CHANGED"; + + /** + * Intent used to broadcast the change in player application setting state on AVRCP AG. + * + * <p>This intent will have the following extras: + * <ul> + * <li> {@link #EXTRA_PLAYER_SETTING} - {@link BluetoothAvrcpPlayerSettings} containing the + * most recent player setting. </li> + * </ul> + */ + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) + public static final String ACTION_PLAYER_SETTING = + "android.bluetooth.avrcp-controller.profile.action.PLAYER_SETTING"; + + public static final String EXTRA_PLAYER_SETTING = + "android.bluetooth.avrcp-controller.profile.extra.PLAYER_SETTING"; + + private final BluetoothAdapter mAdapter; + private final AttributionSource mAttributionSource; + private final BluetoothProfileConnector<IBluetoothAvrcpController> mProfileConnector = + new BluetoothProfileConnector(this, BluetoothProfile.AVRCP_CONTROLLER, + "BluetoothAvrcpController", IBluetoothAvrcpController.class.getName()) { + @Override + public IBluetoothAvrcpController getServiceInterface(IBinder service) { + return IBluetoothAvrcpController.Stub.asInterface(service); + } + }; + + /** + * Create a BluetoothAvrcpController proxy object for interacting with the local + * Bluetooth AVRCP service. + */ + /* package */ BluetoothAvrcpController(Context context, ServiceListener listener, + BluetoothAdapter adapter) { + mAdapter = adapter; + mAttributionSource = adapter.getAttributionSource(); + mProfileConnector.connect(context, listener); + } + + /*package*/ void close() { + mProfileConnector.disconnect(); + } + + private IBluetoothAvrcpController getService() { + return mProfileConnector.getService(); + } + + @Override + public void finalize() { + close(); + } + + /** + * {@inheritDoc} + */ + @Override + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) + public List<BluetoothDevice> getConnectedDevices() { + if (VDBG) log("getConnectedDevices()"); + final IBluetoothAvrcpController service = getService(); + final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>(); + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + if (DBG) log(Log.getStackTraceString(new Throwable())); + } else if (isEnabled()) { + try { + final SynchronousResultReceiver<List<BluetoothDevice>> recv = + new SynchronousResultReceiver(); + service.getConnectedDevices(mAttributionSource, recv); + return Attributable.setAttributionSource( + recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue), + mAttributionSource); + } catch (RemoteException | TimeoutException e) { + Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); + } + } + return defaultValue; + } + + /** + * {@inheritDoc} + */ + @Override + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) + public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) { + if (VDBG) log("getDevicesMatchingStates()"); + final IBluetoothAvrcpController service = getService(); + final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>(); + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + if (DBG) log(Log.getStackTraceString(new Throwable())); + } else if (isEnabled()) { + try { + final SynchronousResultReceiver<List<BluetoothDevice>> recv = + new SynchronousResultReceiver(); + service.getDevicesMatchingConnectionStates(states, mAttributionSource, recv); + return Attributable.setAttributionSource( + recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue), + mAttributionSource); + } catch (RemoteException | TimeoutException e) { + Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); + } + } + return defaultValue; + } + + /** + * {@inheritDoc} + */ + @Override + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) + public int getConnectionState(BluetoothDevice device) { + if (VDBG) log("getState(" + device + ")"); + final IBluetoothAvrcpController service = getService(); + final int defaultValue = BluetoothProfile.STATE_DISCONNECTED; + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + if (DBG) log(Log.getStackTraceString(new Throwable())); + } else if (isEnabled() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver(); + service.getConnectionState(device, mAttributionSource, recv); + return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); + } catch (RemoteException | TimeoutException e) { + Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); + } + } + return defaultValue; + } + + /** + * Gets the player application settings. + * + * @return the {@link BluetoothAvrcpPlayerSettings} or {@link null} if there is an error. + */ + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) + public BluetoothAvrcpPlayerSettings getPlayerSettings(BluetoothDevice device) { + if (DBG) Log.d(TAG, "getPlayerSettings"); + BluetoothAvrcpPlayerSettings settings = null; + final IBluetoothAvrcpController service = getService(); + final BluetoothAvrcpPlayerSettings defaultValue = null; + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + if (DBG) log(Log.getStackTraceString(new Throwable())); + } else if (isEnabled()) { + try { + final SynchronousResultReceiver<BluetoothAvrcpPlayerSettings> recv = + new SynchronousResultReceiver(); + service.getPlayerSettings(device, mAttributionSource, recv); + settings = recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); + } catch (RemoteException | TimeoutException e) { + Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); + } + } + return defaultValue; + } + + /** + * Sets the player app setting for current player. + * returns true in case setting is supported by remote, false otherwise + */ + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) + public boolean setPlayerApplicationSetting(BluetoothAvrcpPlayerSettings plAppSetting) { + if (DBG) Log.d(TAG, "setPlayerApplicationSetting"); + final IBluetoothAvrcpController service = getService(); + final boolean defaultValue = false; + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + if (DBG) log(Log.getStackTraceString(new Throwable())); + } else if (isEnabled()) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.setPlayerApplicationSetting(plAppSetting, mAttributionSource, recv); + return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); + } catch (RemoteException | TimeoutException e) { + Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); + } + } + return defaultValue; + } + + /** + * Send Group Navigation Command to Remote. + * possible keycode values: next_grp, previous_grp defined above + */ + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) + public void sendGroupNavigationCmd(BluetoothDevice device, int keyCode, int keyState) { + Log.d(TAG, "sendGroupNavigationCmd dev = " + device + " key " + keyCode + " State = " + + keyState); + final IBluetoothAvrcpController service = getService(); + if (service == null) { + Log.w(TAG, "Proxy not attached to service"); + if (DBG) log(Log.getStackTraceString(new Throwable())); + } else if (isEnabled()) { + try { + final SynchronousResultReceiver recv = new SynchronousResultReceiver(); + service.sendGroupNavigationCmd(device, keyCode, keyState, mAttributionSource, recv); + recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null); + return; + } catch (RemoteException | TimeoutException e) { + Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); + } + } + } + + private boolean isEnabled() { + return mAdapter.getState() == BluetoothAdapter.STATE_ON; + } + + private static boolean isValidDevice(BluetoothDevice device) { + return device != null && BluetoothAdapter.checkBluetoothAddress(device.getAddress()); + } + + private static void log(String msg) { + Log.d(TAG, msg); + } +} |