Initial commit for HID Client (aaa20127) · Commits · e / os / android_frameworks_base

core/java/android/bluetooth/BluetoothHidDevice.java

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			/*
			* 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 android.annotation.SdkConstant;
			import android.annotation.SdkConstant.SdkConstantType;
			import android.content.ComponentName;
			import android.content.Context;
			import android.content.Intent;
			import android.content.ServiceConnection;
			import android.os.IBinder;
			import android.os.RemoteException;
			import android.util.Log;

			import java.util.ArrayList;
			import java.util.List;


			/**
			* This class provides the public APIs to control the Bluetooth Input
			* Device Profile.
			*
			*<p>BluetoothInputDevice is a proxy object for controlling the Bluetooth
			* Service via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get
			* the BluetoothInputDevice proxy object.
			*
			*<p>Each method is protected with its appropriate permission.
			*@hide
			*/
			public final class BluetoothInputDevice implements BluetoothProfile {
			private static final String TAG = "BluetoothInputDevice";
			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}.
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission to
			* receive.
			*/
			@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
			public static final String ACTION_CONNECTION_STATE_CHANGED =
			"android.bluetooth.input.profile.action.CONNECTION_STATE_CHANGED";

			/**
			* @hide
			*/
			@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
			public static final String ACTION_PROTOCOL_MODE_CHANGED =
			"android.bluetooth.input.profile.action.PROTOCOL_MODE_CHANGED";

			/**
			* @hide
			*/
			@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
			public static final String ACTION_REPORT =
			"android.bluetooth.input.profile.action.REPORT";

			/**
			* @hide
			*/
			@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
			public static final String ACTION_VIRTUAL_UNPLUG_STATUS =
			"android.bluetooth.input.profile.action.VIRTUAL_UNPLUG_STATUS";


			/**
			* 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.BluetoothInputDevice.extra.PROTOCOL_MODE";

			/**
			* @hide
			*/
			public static final String EXTRA_REPORT_TYPE = "android.bluetooth.BluetoothInputDevice.extra.REPORT_TYPE";

			/**
			* @hide
			*/
			public static final String EXTRA_REPORT_ID = "android.bluetooth.BluetoothInputDevice.extra.REPORT_ID";

			/**
			* @hide
			*/
			public static final String EXTRA_REPORT_BUFFER_SIZE = "android.bluetooth.BluetoothInputDevice.extra.REPORT_BUFFER_SIZE";

			/**
			* @hide
			*/
			public static final String EXTRA_REPORT = "android.bluetooth.BluetoothInputDevice.extra.REPORT";

			/**
			* @hide
			*/
			public static final String EXTRA_VIRTUAL_UNPLUG_STATUS = "android.bluetooth.BluetoothInputDevice.extra.VIRTUAL_UNPLUG_STATUS";

			private Context mContext;
			private ServiceListener mServiceListener;
			private BluetoothAdapter mAdapter;
			private IBluetoothInputDevice mService;

			final private IBluetoothStateChangeCallback mBluetoothStateChangeCallback =
			new IBluetoothStateChangeCallback.Stub() {
			public void onBluetoothStateChange(boolean up) {
			if (DBG) Log.d(TAG, "onBluetoothStateChange: up=" + up);
			if (!up) {
			if (VDBG) Log.d(TAG,"Unbinding service...");
			synchronized (mConnection) {
			try {
			mService = null;
			mContext.unbindService(mConnection);
			} catch (Exception re) {
			Log.e(TAG,"",re);
			}
			}
			} else {
			synchronized (mConnection) {
			try {
			if (mService == null) {
			if (VDBG) Log.d(TAG,"Binding service...");
			doBind();
			}
			} catch (Exception re) {
			Log.e(TAG,"",re);
			}
			}
			}
			}
			};

			/**
			* Create a BluetoothInputDevice proxy object for interacting with the local
			* Bluetooth Service which handles the InputDevice profile
			*
			*/
			/package/ BluetoothInputDevice(Context context, ServiceListener l) {
			mContext = context;
			mServiceListener = l;
			mAdapter = BluetoothAdapter.getDefaultAdapter();

			IBluetoothManager mgr = mAdapter.getBluetoothManager();
			if (mgr != null) {
			try {
			mgr.registerStateChangeCallback(mBluetoothStateChangeCallback);
			} catch (RemoteException e) {
			Log.e(TAG,"",e);
			}
			}

			doBind();
			}

			boolean doBind() {
			Intent intent = new Intent(IBluetoothInputDevice.class.getName());
			ComponentName comp = intent.resolveSystemService(mContext.getPackageManager(), 0);
			intent.setComponent(comp);
			if (comp == null \|\| !mContext.bindService(intent, mConnection, 0)) {
			Log.e(TAG, "Could not bind to Bluetooth HID Service with " + intent);
			return false;
			}
			return true;
			}

			/package/ void close() {
			if (VDBG) log("close()");
			IBluetoothManager mgr = mAdapter.getBluetoothManager();
			if (mgr != null) {
			try {
			mgr.unregisterStateChangeCallback(mBluetoothStateChangeCallback);
			} catch (Exception e) {
			Log.e(TAG,"",e);
			}
			}

			synchronized (mConnection) {
			if (mService != null) {
			try {
			mService = null;
			mContext.unbindService(mConnection);
			} catch (Exception re) {
			Log.e(TAG,"",re);
			}
			}
			}
			mServiceListener = null;
			}

			/**
			* 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.
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}
			* permission.
			*
			* @param device Remote Bluetooth Device
			* @return false on immediate error,
			* true otherwise
			* @hide
			*/
			public boolean connect(BluetoothDevice device) {
			if (DBG) log("connect(" + device + ")");
			if (mService != null && isEnabled() && isValidDevice(device)) {
			try {
			return mService.connect(device);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return false;
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			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.
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}
			* permission.
			*
			* @param device Remote Bluetooth Device
			* @return false on immediate error,
			* true otherwise
			* @hide
			*/
			public boolean disconnect(BluetoothDevice device) {
			if (DBG) log("disconnect(" + device + ")");
			if (mService != null && isEnabled() && isValidDevice(device)) {
			try {
			return mService.disconnect(device);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return false;
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return false;
			}

			/**
			* {@inheritDoc}
			*/
			public List<BluetoothDevice> getConnectedDevices() {
			if (VDBG) log("getConnectedDevices()");
			if (mService != null && isEnabled()) {
			try {
			return mService.getConnectedDevices();
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return new ArrayList<BluetoothDevice>();
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return new ArrayList<BluetoothDevice>();
			}

			/**
			* {@inheritDoc}
			*/
			public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) {
			if (VDBG) log("getDevicesMatchingStates()");
			if (mService != null && isEnabled()) {
			try {
			return mService.getDevicesMatchingConnectionStates(states);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return new ArrayList<BluetoothDevice>();
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return new ArrayList<BluetoothDevice>();
			}

			/**
			* {@inheritDoc}
			*/
			public int getConnectionState(BluetoothDevice device) {
			if (VDBG) log("getState(" + device + ")");
			if (mService != null && isEnabled() && isValidDevice(device)) {
			try {
			return mService.getConnectionState(device);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return BluetoothProfile.STATE_DISCONNECTED;
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return BluetoothProfile.STATE_DISCONNECTED;
			}

			/**
			* Set priority of the profile
			*
			* <p> The device should already be paired.
			* Priority can be one of {@link #PRIORITY_ON} or
			* {@link #PRIORITY_OFF},
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}
			* permission.
			*
			* @param device Paired bluetooth device
			* @param priority
			* @return true if priority is set, false on error
			* @hide
			*/
			public boolean setPriority(BluetoothDevice device, int priority) {
			if (DBG) log("setPriority(" + device + ", " + priority + ")");
			if (mService != null && isEnabled() && isValidDevice(device)) {
			if (priority != BluetoothProfile.PRIORITY_OFF &&
			priority != BluetoothProfile.PRIORITY_ON) {
			return false;
			}
			try {
			return mService.setPriority(device, priority);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return false;
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return false;
			}

			/**
			* Get the priority of the profile.
			*
			* <p> The priority can be any of:
			* {@link #PRIORITY_AUTO_CONNECT}, {@link #PRIORITY_OFF},
			* {@link #PRIORITY_ON}, {@link #PRIORITY_UNDEFINED}
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission.
			*
			* @param device Bluetooth device
			* @return priority of the device
			* @hide
			*/
			public int getPriority(BluetoothDevice device) {
			if (VDBG) log("getPriority(" + device + ")");
			if (mService != null && isEnabled() && isValidDevice(device)) {
			try {
			return mService.getPriority(device);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return BluetoothProfile.PRIORITY_OFF;
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return BluetoothProfile.PRIORITY_OFF;
			}

			private final ServiceConnection mConnection = new ServiceConnection() {
			public void onServiceConnected(ComponentName className, IBinder service) {
			if (DBG) Log.d(TAG, "Proxy object connected");
			mService = IBluetoothInputDevice.Stub.asInterface(service);

			if (mServiceListener != null) {
			mServiceListener.onServiceConnected(BluetoothProfile.INPUT_DEVICE, BluetoothInputDevice.this);
			}
			}
			public void onServiceDisconnected(ComponentName className) {
			if (DBG) Log.d(TAG, "Proxy object disconnected");
			mService = null;
			if (mServiceListener != null) {
			mServiceListener.onServiceDisconnected(BluetoothProfile.INPUT_DEVICE);
			}
			}
			};

			private boolean isEnabled() {
			if (mAdapter.getState() == BluetoothAdapter.STATE_ON) return true;
			return false;
			}

			private boolean isValidDevice(BluetoothDevice device) {
			if (device == null) return false;

			if (BluetoothAdapter.checkBluetoothAddress(device.getAddress())) return true;
			return false;
			}


			/**
			* Initiate virtual unplug for a HID input device.
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
			*
			* @param device Remote Bluetooth Device
			* @return false on immediate error,
			* true otherwise
			* @hide
			*/
			public boolean virtualUnplug(BluetoothDevice device) {
			if (DBG) log("virtualUnplug(" + device + ")");
			if (mService != null && isEnabled() && isValidDevice(device)) {
			try {
			return mService.virtualUnplug(device);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return false;
			}
			}

			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return false;

			}

			/**
			* Send Get_Protocol_Mode command to the connected HID input device.
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
			*
			* @param device Remote Bluetooth Device
			* @return false on immediate error,
			*true otherwise
			* @hide
			*/
			public boolean getProtocolMode(BluetoothDevice device) {
			if (VDBG) log("getProtocolMode(" + device + ")");
			if (mService != null && isEnabled() && isValidDevice(device)) {
			try {
			return mService.getProtocolMode(device);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return false;
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return false;
			}

			/**
			* Send Set_Protocol_Mode command to the connected HID input device.
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
			*
			* @param device Remote Bluetooth Device
			* @return false on immediate error,
			* true otherwise
			* @hide
			*/
			public boolean setProtocolMode(BluetoothDevice device, int protocolMode) {
			if (DBG) log("setProtocolMode(" + device + ")");
			if (mService != null && isEnabled() && isValidDevice(device)) {
			try {
			return mService.setProtocolMode(device, protocolMode);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return false;
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return false;
			}

			/**
			* Send Get_Report command to the connected HID input device.
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
			*
			* @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
			*/
			public boolean getReport(BluetoothDevice device, byte reportType, byte reportId, int bufferSize) {
			if (VDBG) log("getReport(" + device + "), reportType=" + reportType + " reportId=" + reportId + "bufferSize=" + bufferSize);
			if (mService != null && isEnabled() && isValidDevice(device)) {
			try {
			return mService.getReport(device, reportType, reportId, bufferSize);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return false;
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return false;
			}

			/**
			* Send Set_Report command to the connected HID input device.
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
			*
			* @param device Remote Bluetooth Device
			* @param reportType Report type
			* @param report Report receiving buffer size
			* @return false on immediate error,
			* true otherwise
			* @hide
			*/
			public boolean setReport(BluetoothDevice device, byte reportType, String report) {
			if (DBG) log("setReport(" + device + "), reportType=" + reportType + " report=" + report);
			if (mService != null && isEnabled() && isValidDevice(device)) {
			try {
			return mService.setReport(device, reportType, report);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return false;
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return false;
			}

			/**
			* Send Send_Data command to the connected HID input device.
			*
			* <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
			*
			* @param device Remote Bluetooth Device
			* @param data Data to send
			* @return false on immediate error,
			* true otherwise
			* @hide
			*/
			public boolean sendData(BluetoothDevice device, String report) {
			if (DBG) log("sendData(" + device + "), report=" + report);
			if (mService != null && isEnabled() && isValidDevice(device)) {
			try {
			return mService.sendData(device, report);
			} catch (RemoteException e) {
			Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
			return false;
			}
			}
			if (mService == null) Log.w(TAG, "Proxy not attached to service");
			return false;
			}
			private static void log(String msg) {
			Log.d(TAG, msg);
			}
			}

core/java/android/bluetooth/BluetoothHidDeviceAppConfiguration.aidl

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			/*
			** Copyright 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;

			parcelable BluetoothHealthAppConfiguration;

core/java/android/bluetooth/BluetoothHidDeviceAppConfiguration.java

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core/java/android/bluetooth/BluetoothHidDeviceAppQosSettings.aidl

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			/*
			** Copyright 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;

			parcelable BluetoothHealthAppConfiguration;

core/java/android/bluetooth/BluetoothHidDeviceAppQosSettings.java

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