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Diffstat (limited to 'framework/java/android/bluetooth/BluetoothHidHost.java')
| -rw-r--r-- | framework/java/android/bluetooth/BluetoothHidHost.java | 831 |
1 files changed, 831 insertions, 0 deletions
diff --git a/framework/java/android/bluetooth/BluetoothHidHost.java b/framework/java/android/bluetooth/BluetoothHidHost.java new file mode 100644 index 0000000000..ecbeddf2b8 --- /dev/null +++ b/framework/java/android/bluetooth/BluetoothHidHost.java @@ -0,0 +1,831 @@ +/* + * 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.bluetooth.BluetoothUtils.getSyncTimeout; + +import android.Manifest; +import android.annotation.NonNull; +import android.annotation.RequiresPermission; +import android.annotation.SdkConstant; +import android.annotation.SdkConstant.SdkConstantType; +import android.annotation.SuppressLint; +import android.annotation.SystemApi; +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 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 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"; + private static final boolean DBG = true; + private static final boolean VDBG = false; + + /** + * 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> + * <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}. + */ + @SuppressLint("ActionValue") + @RequiresLegacyBluetoothPermission + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.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(android.Manifest.permission.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(android.Manifest.permission.BLUETOOTH_CONNECT) + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) + public static final String ACTION_HANDSHAKE = + "android.bluetooth.input.profile.action.HANDSHAKE"; + + /** + * @hide + */ + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) + public static final String ACTION_REPORT = + "android.bluetooth.input.profile.action.REPORT"; + + /** + * @hide + */ + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.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(android.Manifest.permission.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 final BluetoothProfileConnector<IBluetoothHidHost> mProfileConnector = + new BluetoothProfileConnector(this, BluetoothProfile.HID_HOST, + "BluetoothHidHost", IBluetoothHidHost.class.getName()) { + @Override + public IBluetoothHidHost getServiceInterface(IBinder service) { + return IBluetoothHidHost.Stub.asInterface(service); + } + }; + + /** + * Create a BluetoothHidHost proxy object for interacting with the local + * Bluetooth Service which handles the InputDevice profile + */ + /* package */ BluetoothHidHost(Context context, ServiceListener listener, + BluetoothAdapter adapter) { + mAdapter = adapter; + mAttributionSource = adapter.getAttributionSource(); + mProfileConnector.connect(context, listener); + } + + /*package*/ void close() { + if (VDBG) log("close()"); + mProfileConnector.disconnect(); + } + + private IBluetoothHidHost getService() { + return mProfileConnector.getService(); + } + + /** + * 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 = { + android.Manifest.permission.BLUETOOTH_CONNECT, + android.Manifest.permission.BLUETOOTH_PRIVILEGED, + }) + public boolean connect(BluetoothDevice device) { + if (DBG) log("connect(" + device + ")"); + final IBluetoothHidHost 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() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.connect(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; + } + + /** + * 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 = { + android.Manifest.permission.BLUETOOTH_CONNECT, + android.Manifest.permission.BLUETOOTH_PRIVILEGED, + }) + public boolean disconnect(BluetoothDevice device) { + if (DBG) log("disconnect(" + device + ")"); + final IBluetoothHidHost 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() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.disconnect(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; + } + + /** + * {@inheritDoc} + * + * @hide + */ + @SystemApi + @Override + @RequiresBluetoothConnectPermission + @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT) + public @NonNull List<BluetoothDevice> getConnectedDevices() { + if (VDBG) log("getConnectedDevices()"); + final IBluetoothHidHost 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} + * + * @hide + */ + @Override + @RequiresBluetoothConnectPermission + @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT) + public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) { + if (VDBG) log("getDevicesMatchingStates()"); + final IBluetoothHidHost 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} + * + * @hide + */ + @SystemApi + @Override + @RequiresBluetoothConnectPermission + @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT) + public int getConnectionState(@NonNull BluetoothDevice device) { + if (VDBG) log("getState(" + device + ")"); + if (device == null) { + throw new IllegalArgumentException("device must not be null"); + } + final IBluetoothHidHost 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; + } + + /** + * Set priority of the profile + * + * <p> The device should already be paired. + * Priority can be one of {@link #PRIORITY_ON} or {@link #PRIORITY_OFF}, + * + * @param device Paired bluetooth device + * @param priority + * @return true if priority is set, false on error + * @hide + */ + @RequiresBluetoothConnectPermission + @RequiresPermission(allOf = { + android.Manifest.permission.BLUETOOTH_CONNECT, + android.Manifest.permission.BLUETOOTH_PRIVILEGED, + }) + public boolean setPriority(BluetoothDevice device, int priority) { + if (DBG) log("setPriority(" + device + ", " + priority + ")"); + return setConnectionPolicy(device, BluetoothAdapter.priorityToConnectionPolicy(priority)); + } + + /** + * 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 = { + android.Manifest.permission.BLUETOOTH_CONNECT, + android.Manifest.permission.BLUETOOTH_PRIVILEGED, + }) + public boolean setConnectionPolicy(@NonNull BluetoothDevice device, + @ConnectionPolicy int connectionPolicy) { + if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")"); + if (device == null) { + throw new IllegalArgumentException("device must not be null"); + } + final IBluetoothHidHost 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() && isValidDevice(device) + && (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN + || connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.setConnectionPolicy(device, connectionPolicy, mAttributionSource, recv); + return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); + } catch (RemoteException | TimeoutException e) { + Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); + } + } + return defaultValue; + } + + /** + * Get the priority of the profile. + * + * <p> The priority can be any of: + * {@link #PRIORITY_OFF}, {@link #PRIORITY_ON}, {@link #PRIORITY_UNDEFINED} + * + * @param device Bluetooth device + * @return priority of the device + * @hide + */ + @RequiresBluetoothConnectPermission + @RequiresPermission(allOf = { + android.Manifest.permission.BLUETOOTH_CONNECT, + android.Manifest.permission.BLUETOOTH_PRIVILEGED, + }) + public int getPriority(BluetoothDevice device) { + if (VDBG) log("getPriority(" + device + ")"); + return BluetoothAdapter.connectionPolicyToPriority(getConnectionPolicy(device)); + } + + /** + * 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 = { + android.Manifest.permission.BLUETOOTH_CONNECT, + android.Manifest.permission.BLUETOOTH_PRIVILEGED, + }) + public @ConnectionPolicy int getConnectionPolicy(@NonNull BluetoothDevice device) { + if (VDBG) log("getConnectionPolicy(" + device + ")"); + if (device == null) { + throw new IllegalArgumentException("device must not be null"); + } + final IBluetoothHidHost service = getService(); + final int defaultValue = BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; + 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.getConnectionPolicy(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; + } + + private boolean isEnabled() { + return mAdapter.getState() == BluetoothAdapter.STATE_ON; + } + + private static boolean isValidDevice(BluetoothDevice device) { + return device != null && BluetoothAdapter.checkBluetoothAddress(device.getAddress()); + } + + /** + * Initiate virtual unplug for a HID input device. + * + * @param device Remote Bluetooth Device + * @return false on immediate error, true otherwise + * @hide + */ + @RequiresLegacyBluetoothAdminPermission + @RequiresBluetoothConnectPermission + @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) + public boolean virtualUnplug(BluetoothDevice device) { + if (DBG) log("virtualUnplug(" + device + ")"); + final IBluetoothHidHost 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() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.virtualUnplug(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; + } + + /** + * 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(android.Manifest.permission.BLUETOOTH_CONNECT) + public boolean getProtocolMode(BluetoothDevice device) { + if (VDBG) log("getProtocolMode(" + device + ")"); + final IBluetoothHidHost 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() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.getProtocolMode(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; + } + + /** + * 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(android.Manifest.permission.BLUETOOTH_CONNECT) + public boolean setProtocolMode(BluetoothDevice device, int protocolMode) { + if (DBG) log("setProtocolMode(" + device + ")"); + final IBluetoothHidHost 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() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.setProtocolMode(device, protocolMode, 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 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(android.Manifest.permission.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(); + 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() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.getReport(device, reportType, reportId, bufferSize, 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 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(android.Manifest.permission.BLUETOOTH_CONNECT) + public boolean setReport(BluetoothDevice device, byte reportType, String report) { + if (VDBG) log("setReport(" + device + "), reportType=" + reportType + " report=" + report); + final IBluetoothHidHost 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() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.setReport(device, reportType, report, 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 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(android.Manifest.permission.BLUETOOTH_CONNECT) + public boolean sendData(BluetoothDevice device, String report) { + if (DBG) log("sendData(" + device + "), report=" + report); + final IBluetoothHidHost 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() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.sendData(device, report, 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 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(android.Manifest.permission.BLUETOOTH_CONNECT) + public boolean getIdleTime(BluetoothDevice device) { + if (DBG) log("getIdletime(" + device + ")"); + final IBluetoothHidHost 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() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.getIdleTime(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; + } + + /** + * 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(android.Manifest.permission.BLUETOOTH_CONNECT) + public boolean setIdleTime(BluetoothDevice device, byte idleTime) { + if (DBG) log("setIdletime(" + device + "), idleTime=" + idleTime); + final IBluetoothHidHost 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() && isValidDevice(device)) { + try { + final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver(); + service.setIdleTime(device, idleTime, mAttributionSource, recv); + return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); + } catch (RemoteException | TimeoutException e) { + Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); + } + } + return defaultValue; + } + + private static void log(String msg) { + Log.d(TAG, msg); + } +} |