| /* | |
| * Copyright (C) 2011 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.Manifest.permission.BLUETOOTH_CONNECT; | |
| import static android.Manifest.permission.BLUETOOTH_PRIVILEGED; | |
| import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; | |
| import static android.bluetooth.BluetoothProfile.STATE_DISCONNECTED; | |
| import static android.bluetooth.BluetoothUtils.isValidDevice; | |
| import static java.util.Objects.requireNonNull; | |
| import android.annotation.Hide; | |
| import android.annotation.NonNull; | |
| import android.annotation.RequiresNoPermission; | |
| import android.annotation.RequiresPermission; | |
| import android.annotation.SdkConstant; | |
| import android.annotation.SdkConstant.SdkConstantType; | |
| import android.annotation.SuppressLint; | |
| import android.annotation.SystemApi; | |
| import android.bluetooth.BluetoothDevice.Transport; | |
| import android.bluetooth.annotations.RequiresBluetoothConnectPermission; | |
| import android.bluetooth.annotations.RequiresLegacyBluetoothAdminPermission; | |
| 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 java.util.Collections; | |
| import java.util.List; | |
| /** | |
| * This class provides the public APIs to control the Bluetooth Input Device Profile. | |
| * | |
| * <p>BluetoothHidHost is a proxy object for controlling the Bluetooth Service via IPC. Use {@link | |
| * BluetoothAdapter#getProfileProxy} to get the BluetoothHidHost proxy object. | |
| * | |
| * <p>Each method is protected with its appropriate permission. | |
| */ | |
| @Hide | |
| @SystemApi | |
| public final class BluetoothHidHost implements BluetoothProfile { | |
| private static final String TAG = BluetoothHidHost.class.getSimpleName(); | |
| private static final boolean VDBG = Log.isLoggable("bluetooth", Log.VERBOSE); | |
| /** | |
| * Intent used to broadcast the change in connection state of the Input Device profile. | |
| * | |
| * <p>This intent will have 3 extras: | |
| * | |
| * <ul> | |
| * <li>{@link #EXTRA_STATE} - The current state of the profile. | |
| * <li>{@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile. | |
| * <li>{@link BluetoothDevice#EXTRA_TRANSPORT} - Transport of the connection. | |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. | |
| * </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}. | |
| * | |
| * <p>{@link BluetoothDevice#EXTRA_TRANSPORT} can be any of {@link | |
| * BluetoothDevice#TRANSPORT_BREDR}, {@link BluetoothDevice#TRANSPORT_LE}. | |
| */ | |
| @SuppressLint("ActionValue") | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_CONNECTION_STATE_CHANGED = | |
| "android.bluetooth.input.profile.action.CONNECTION_STATE_CHANGED"; | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_PROTOCOL_MODE_CHANGED = | |
| "android.bluetooth.input.profile.action.PROTOCOL_MODE_CHANGED"; | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_HANDSHAKE = | |
| "android.bluetooth.input.profile.action.HANDSHAKE"; | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_REPORT = "android.bluetooth.input.profile.action.REPORT"; | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_VIRTUAL_UNPLUG_STATUS = | |
| "android.bluetooth.input.profile.action.VIRTUAL_UNPLUG_STATUS"; | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_IDLE_TIME_CHANGED = | |
| "android.bluetooth.input.profile.action.IDLE_TIME_CHANGED"; | |
| /** Return codes for the connect and disconnect Bluez / Dbus calls. */ | |
| @Hide public static final int INPUT_DISCONNECT_FAILED_NOT_CONNECTED = 5000; | |
| @Hide public static final int INPUT_CONNECT_FAILED_ALREADY_CONNECTED = 5001; | |
| @Hide public static final int INPUT_CONNECT_FAILED_ATTEMPT_FAILED = 5002; | |
| @Hide public static final int INPUT_OPERATION_GENERIC_FAILURE = 5003; | |
| @Hide public static final int INPUT_OPERATION_SUCCESS = 5004; | |
| @Hide public static final int PROTOCOL_REPORT_MODE = 0; | |
| @Hide public static final int PROTOCOL_BOOT_MODE = 1; | |
| @Hide public static final int PROTOCOL_UNSUPPORTED_MODE = 255; | |
| /* int reportType, int reportType, int bufferSize */ | |
| @Hide public static final byte REPORT_TYPE_INPUT = 1; | |
| @Hide public static final byte REPORT_TYPE_OUTPUT = 2; | |
| @Hide public static final byte REPORT_TYPE_FEATURE = 3; | |
| @Hide public static final int VIRTUAL_UNPLUG_STATUS_SUCCESS = 0; | |
| @Hide public static final int VIRTUAL_UNPLUG_STATUS_FAIL = 1; | |
| @Hide | |
| public static final String EXTRA_PROTOCOL_MODE = | |
| "android.bluetooth.BluetoothHidHost.extra.PROTOCOL_MODE"; | |
| @Hide | |
| public static final String EXTRA_REPORT_TYPE = | |
| "android.bluetooth.BluetoothHidHost.extra.REPORT_TYPE"; | |
| @Hide | |
| public static final String EXTRA_REPORT_ID = | |
| "android.bluetooth.BluetoothHidHost.extra.REPORT_ID"; | |
| @Hide | |
| public static final String EXTRA_REPORT_BUFFER_SIZE = | |
| "android.bluetooth.BluetoothHidHost.extra.REPORT_BUFFER_SIZE"; | |
| @Hide | |
| public static final String EXTRA_REPORT = "android.bluetooth.BluetoothHidHost.extra.REPORT"; | |
| @Hide | |
| public static final String EXTRA_STATUS = "android.bluetooth.BluetoothHidHost.extra.STATUS"; | |
| @Hide | |
| public static final String EXTRA_VIRTUAL_UNPLUG_STATUS = | |
| "android.bluetooth.BluetoothHidHost.extra.VIRTUAL_UNPLUG_STATUS"; | |
| @Hide | |
| public static final String EXTRA_IDLE_TIME = | |
| "android.bluetooth.BluetoothHidHost.extra.IDLE_TIME"; | |
| private final BluetoothAdapter mAdapter; | |
| private final AttributionSource mAttributionSource; | |
| private IBluetoothHidHost mService; | |
| /** | |
| * Create a BluetoothHidHost proxy object for interacting with the local Bluetooth Service which | |
| * handles the InputDevice profile | |
| */ | |
| /* package */ BluetoothHidHost(Context context, BluetoothAdapter adapter) { | |
| mAdapter = adapter; | |
| mAttributionSource = adapter.getAttributionSource(); | |
| mService = null; | |
| } | |
| @Hide | |
| @Override | |
| @RequiresNoPermission | |
| public void onServiceConnected(IBinder service) { | |
| mService = IBluetoothHidHost.Stub.asInterface(service); | |
| } | |
| @Hide | |
| @Override | |
| @RequiresNoPermission | |
| public void onServiceDisconnected() { | |
| mService = null; | |
| } | |
| private IBluetoothHidHost getService() { | |
| return mService; | |
| } | |
| @Hide | |
| @Override | |
| @RequiresNoPermission | |
| public BluetoothAdapter getAdapter() { | |
| return mAdapter; | |
| } | |
| /** | |
| * Initiate connection to a profile of the remote bluetooth device. | |
| * | |
| * <p>The system supports connection to multiple input devices. | |
| * | |
| * <p>This API returns false in scenarios like the profile on the device is already connected or | |
| * Bluetooth is not turned on. When this API returns true, it is guaranteed that connection | |
| * state intent for the profile will be broadcasted with the state. Users can get the connection | |
| * state of the profile from this intent. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public boolean connect(BluetoothDevice device) { | |
| log("connect(" + device + ")"); | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.connect(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Initiate disconnection from a profile | |
| * | |
| * <p>This API will return false in scenarios like the profile on the Bluetooth device is not in | |
| * connected state etc. When this API returns, true, it is guaranteed that the connection state | |
| * change intent will be broadcasted with the state. Users can get the disconnection state of | |
| * the profile from this intent. | |
| * | |
| * <p>If the disconnection is initiated by a remote device, the state will transition from | |
| * {@link #STATE_CONNECTED} to {@link #STATE_DISCONNECTED}. If the disconnect is initiated by | |
| * the host (local) device the state will transition from {@link #STATE_CONNECTED} to state | |
| * {@link #STATE_DISCONNECTING} to state {@link #STATE_DISCONNECTED}. The transition to {@link | |
| * #STATE_DISCONNECTING} can be used to distinguish between the two scenarios. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public boolean disconnect(BluetoothDevice device) { | |
| log("disconnect(" + device + ")"); | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.disconnect(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** {@inheritDoc} */ | |
| @Hide | |
| @SystemApi | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public @NonNull List<BluetoothDevice> getConnectedDevices() { | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getConnectedDevices(mAttributionSource), mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return Collections.emptyList(); | |
| } | |
| /** {@inheritDoc} */ | |
| @Hide | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) { | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getDevicesMatchingConnectionStates(states, mAttributionSource), | |
| mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return Collections.emptyList(); | |
| } | |
| /** {@inheritDoc} */ | |
| @Hide | |
| @SystemApi | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public int getConnectionState(@NonNull BluetoothDevice device) { | |
| if (device == null) { | |
| throw new IllegalArgumentException("device must not be null"); | |
| } | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getConnectionState(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return STATE_DISCONNECTED; | |
| } | |
| /** | |
| * Set connection policy of the profile | |
| * | |
| * <p>The device should already be paired. Connection policy can be one of {@link | |
| * #CONNECTION_POLICY_ALLOWED}, {@link #CONNECTION_POLICY_FORBIDDEN}, {@link | |
| * #CONNECTION_POLICY_UNKNOWN} | |
| * | |
| * @param device Paired bluetooth device | |
| * @param connectionPolicy is the connection policy to set to for this profile | |
| * @return true if connectionPolicy is set, false on error | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public boolean setConnectionPolicy( | |
| @NonNull BluetoothDevice device, @ConnectionPolicy int connectionPolicy) { | |
| log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")"); | |
| if (device == null) { | |
| throw new IllegalArgumentException("device must not be null"); | |
| } | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() | |
| && isValidDevice(device) | |
| && BluetoothProfile.isValidConnectionPolicy(connectionPolicy)) { | |
| try { | |
| return service.setConnectionPolicy(device, connectionPolicy, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Set preferred transport for the device | |
| * | |
| * <p>The device should already be paired, services must have been discovered. This API is | |
| * effective only if both the HID and HOGP are supported on the remote device. | |
| * | |
| * @param device paired bluetooth device | |
| * @param transport the preferred transport to set for this device | |
| * @return true if preferred transport is set, false on error | |
| * @throws IllegalArgumentException if the {@code device} invalid. | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public boolean setPreferredTransport( | |
| @NonNull BluetoothDevice device, @Transport int transport) { | |
| log("setPreferredTransport(" + device + ", " + transport + ")"); | |
| requireNonNull(device); | |
| if (transport != BluetoothDevice.TRANSPORT_AUTO | |
| && transport != BluetoothDevice.TRANSPORT_BREDR | |
| && transport != BluetoothDevice.TRANSPORT_LE) { | |
| throw new IllegalArgumentException("Invalid transport value"); | |
| } | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (!isEnabled()) { | |
| Log.w(TAG, "Not ready"); | |
| } else if (!isValidDevice(device)) { | |
| throw new IllegalArgumentException("Invalid device"); | |
| } else { | |
| try { | |
| return service.setPreferredTransport(device, transport, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Get the connection policy of the profile. | |
| * | |
| * <p>The connection policy can be any of: {@link #CONNECTION_POLICY_ALLOWED}, {@link | |
| * #CONNECTION_POLICY_FORBIDDEN}, {@link #CONNECTION_POLICY_UNKNOWN} | |
| * | |
| * @param device Bluetooth device | |
| * @return connection policy of the device | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public @ConnectionPolicy int getConnectionPolicy(@NonNull BluetoothDevice device) { | |
| if (device == null) { | |
| throw new IllegalArgumentException("device must not be null"); | |
| } | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getConnectionPolicy(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return CONNECTION_POLICY_FORBIDDEN; | |
| } | |
| /** | |
| * Get the preferred transport for the device. | |
| * | |
| * @param device Bluetooth device | |
| * @return preferred transport for the device | |
| * @throws IllegalArgumentException if the {@code device} invalid. | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public @Transport int getPreferredTransport(@NonNull BluetoothDevice device) { | |
| requireNonNull(device); | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (!isEnabled()) { | |
| Log.w(TAG, "Not ready"); | |
| } else if (!isValidDevice(device)) { | |
| throw new IllegalArgumentException("Invalid device"); | |
| } else { | |
| try { | |
| return service.getPreferredTransport(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return BluetoothDevice.TRANSPORT_AUTO; | |
| } | |
| private boolean isEnabled() { | |
| return mAdapter.getState() == BluetoothAdapter.STATE_ON; | |
| } | |
| /** | |
| * Initiate virtual unplug for a HID input device. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean virtualUnplug(BluetoothDevice device) { | |
| log("virtualUnplug(" + device + ")"); | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.virtualUnplug(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Send Get_Protocol_Mode command to the connected HID input device. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean getProtocolMode(BluetoothDevice device) { | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getProtocolMode(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Send Set_Protocol_Mode command to the connected HID input device. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean setProtocolMode(BluetoothDevice device, int protocolMode) { | |
| log("setProtocolMode(" + device + ")"); | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.setProtocolMode(device, protocolMode, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Send Get_Report command to the connected HID input device. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @param reportType Report type | |
| * @param reportId Report ID | |
| * @param bufferSize Report receiving buffer size | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean getReport( | |
| BluetoothDevice device, byte reportType, byte reportId, int bufferSize) { | |
| if (VDBG) { | |
| log( | |
| "getReport(" | |
| + device | |
| + "), reportType=" | |
| + reportType | |
| + " reportId=" | |
| + reportId | |
| + "bufferSize=" | |
| + bufferSize); | |
| } | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getReport( | |
| device, reportType, reportId, bufferSize, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Send Set_Report command to the connected HID input device. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @param reportType Report type | |
| * @param report Report receiving buffer size | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean setReport(BluetoothDevice device, byte reportType, String report) { | |
| if (VDBG) log("setReport(" + device + "), reportType=" + reportType + " report=" + report); | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.setReport(device, reportType, report, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Send Send_Data command to the connected HID input device. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @param report Report to send | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean sendData(BluetoothDevice device, String report) { | |
| log("sendData(" + device + "), report=" + report); | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.sendData(device, report, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Send Get_Idle_Time command to the connected HID input device. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean getIdleTime(BluetoothDevice device) { | |
| log("getIdleTime(" + device + ")"); | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getIdleTime(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Send Set_Idle_Time command to the connected HID input device. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @param idleTime Idle time to be set on HID Device | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean setIdleTime(BluetoothDevice device, byte idleTime) { | |
| log("setIdleTime(" + device + "), idleTime=" + idleTime); | |
| final IBluetoothHidHost service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.setIdleTime(device, idleTime, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| private static void log(String msg) { | |
| Log.d(TAG, msg); | |
| } | |
| } |