| /* |
| * Copyright (C) 2017 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 com.googlecode.android_scripting.facade.bluetooth; |
| |
| import java.util.List; |
| |
| import android.app.Service; |
| import android.bluetooth.BluetoothHidHost; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothProfile; |
| import android.bluetooth.BluetoothUuid; |
| import android.os.ParcelUuid; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| |
| import com.googlecode.android_scripting.Log; |
| import com.googlecode.android_scripting.facade.EventFacade; |
| import com.googlecode.android_scripting.facade.FacadeManager; |
| import com.googlecode.android_scripting.jsonrpc.RpcReceiver; |
| import com.googlecode.android_scripting.rpc.Rpc; |
| import com.googlecode.android_scripting.rpc.RpcDefault; |
| import com.googlecode.android_scripting.rpc.RpcParameter; |
| |
| public class BluetoothHidFacade extends RpcReceiver { |
| public final static ParcelUuid[] UUIDS = { BluetoothUuid.Hid }; |
| |
| private final Service mService; |
| private final BluetoothAdapter mBluetoothAdapter; |
| |
| private static boolean sIsHidReady = false; |
| private static BluetoothHidHost sHidProfile = null; |
| |
| private final EventFacade mEventFacade; |
| |
| public BluetoothHidFacade(FacadeManager manager) { |
| super(manager); |
| mService = manager.getService(); |
| mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); |
| mBluetoothAdapter.getProfileProxy(mService, new HidServiceListener(), |
| BluetoothProfile.HID_HOST); |
| IntentFilter pkgFilter = new IntentFilter(); |
| pkgFilter.addAction(BluetoothHidHost.ACTION_CONNECTION_STATE_CHANGED); |
| pkgFilter.addAction(BluetoothHidHost.ACTION_PROTOCOL_MODE_CHANGED); |
| pkgFilter.addAction(BluetoothHidHost.ACTION_HANDSHAKE); |
| pkgFilter.addAction(BluetoothHidHost.ACTION_REPORT); |
| pkgFilter.addAction(BluetoothHidHost.ACTION_VIRTUAL_UNPLUG_STATUS); |
| pkgFilter.addAction(BluetoothHidHost.ACTION_IDLE_TIME_CHANGED); |
| mService.registerReceiver(mHidServiceBroadcastReceiver, pkgFilter); |
| Log.d(HidServiceBroadcastReceiver.TAG + " registered"); |
| mEventFacade = manager.getReceiver(EventFacade.class); |
| } |
| |
| class HidServiceListener implements BluetoothProfile.ServiceListener { |
| @Override |
| public void onServiceConnected(int profile, BluetoothProfile proxy) { |
| sHidProfile = (BluetoothHidHost) proxy; |
| sIsHidReady = true; |
| } |
| |
| @Override |
| public void onServiceDisconnected(int profile) { |
| sIsHidReady = false; |
| } |
| } |
| |
| class HidServiceBroadcastReceiver extends BroadcastReceiver { |
| private static final String TAG = "HidServiceBroadcastReceiver"; |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| Log.d(TAG + " action=" + action); |
| |
| switch (action) { |
| case BluetoothHidHost.ACTION_CONNECTION_STATE_CHANGED: { |
| int previousState = intent.getIntExtra(BluetoothProfile.EXTRA_PREVIOUS_STATE, -1); |
| int state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, -1); |
| Log.d("Connection state changed: " + previousState + " -> " + state); |
| } |
| break; |
| case BluetoothHidHost.ACTION_PROTOCOL_MODE_CHANGED: { |
| int status = intent.getIntExtra(BluetoothHidHost.EXTRA_STATUS, -1); |
| Log.d("Protocol mode changed: " + status); |
| } |
| break; |
| case BluetoothHidHost.ACTION_HANDSHAKE: { |
| int status = intent.getIntExtra(BluetoothHidHost.EXTRA_STATUS, -1); |
| Log.d("Handshake received: " + status); |
| } |
| break; |
| case BluetoothHidHost.ACTION_REPORT: { |
| char[] report = intent.getCharArrayExtra(BluetoothHidHost.EXTRA_REPORT); |
| Log.d("Received report: " + String.valueOf(report)); |
| } |
| break; |
| case BluetoothHidHost.ACTION_VIRTUAL_UNPLUG_STATUS: { |
| int status = intent.getIntExtra( |
| BluetoothHidHost.EXTRA_VIRTUAL_UNPLUG_STATUS, -1); |
| Log.d("Virtual unplug status: " + status); |
| } |
| break; |
| case BluetoothHidHost.ACTION_IDLE_TIME_CHANGED: { |
| int idleTime = intent.getIntExtra(BluetoothHidHost.EXTRA_IDLE_TIME, -1); |
| Log.d("Idle time changed: " + idleTime); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| private final BroadcastReceiver mHidServiceBroadcastReceiver = new HidServiceBroadcastReceiver(); |
| |
| |
| public Boolean hidConnect(BluetoothDevice device) { |
| if (sHidProfile == null) return false; |
| return sHidProfile.connect(device); |
| } |
| |
| public Boolean hidDisconnect(BluetoothDevice device) { |
| if (sHidProfile == null) return false; |
| return sHidProfile.disconnect(device); |
| } |
| |
| @Rpc(description = "Is Hid profile ready.") |
| public Boolean bluetoothHidIsReady() { |
| return sIsHidReady; |
| } |
| |
| @Rpc(description = "Connect to an HID device.") |
| public Boolean bluetoothHidConnect( |
| @RpcParameter(name = "device", description = "Name or MAC address of a bluetooth device.") |
| String device) |
| throws Exception { |
| if (sHidProfile == null) |
| return false; |
| BluetoothDevice mDevice = BluetoothFacade.getDevice(BluetoothFacade.DiscoveredDevices, device); |
| Log.d("Connecting to device " + mDevice.getAliasName()); |
| return hidConnect(mDevice); |
| } |
| |
| @Rpc(description = "Disconnect an HID device.") |
| public Boolean bluetoothHidDisconnect( |
| @RpcParameter(name = "device", description = "Name or MAC address of a device.") |
| String device) |
| throws Exception { |
| if (sHidProfile == null) |
| return false; |
| Log.d("Connected devices: " + sHidProfile.getConnectedDevices()); |
| BluetoothDevice mDevice = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| device); |
| return hidDisconnect(mDevice); |
| } |
| |
| @Rpc(description = "Get all the devices connected through HID.") |
| public List<BluetoothDevice> bluetoothHidGetConnectedDevices() { |
| while (!sIsHidReady); |
| return sHidProfile.getConnectedDevices(); |
| } |
| |
| @Rpc(description = "Get the connection status of a device.") |
| public Integer bluetoothHidGetConnectionStatus( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID) { |
| if (sHidProfile == null) { |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| List<BluetoothDevice> deviceList = sHidProfile.getConnectedDevices(); |
| BluetoothDevice device; |
| try { |
| device = BluetoothFacade.getDevice(deviceList, deviceID); |
| } catch (Exception e) { |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| return sHidProfile.getConnectionState(device); |
| } |
| |
| @Rpc(description = "Send Set_Report command to the connected HID input device.") |
| public Boolean bluetoothHidSetReport( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID, |
| @RpcParameter(name = "type") |
| @RpcDefault(value = "1") |
| Integer type, |
| @RpcParameter(name = "report") |
| String report) throws Exception { |
| BluetoothDevice device = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| deviceID); |
| Log.d("type=" + type); |
| return sHidProfile.setReport(device, (byte) (int) type, report); |
| } |
| |
| /** |
| * Sends the Get_Report command to the given connected HID input device. |
| * @param deviceID name or MAC address or the HID input device |
| * @param type Bluetooth HID report type |
| * @param reportId ID for the requesting report |
| * @param buffSize advised buffer size on the Bluetooth HID host |
| * @return True if successfully sent the command; otherwise false |
| * @throws Exception error from Bluetooth HidService |
| */ |
| @Rpc(description = "Send Get_Report command to the connected HID input device.") |
| public Boolean bluetoothHidGetReport( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID, |
| @RpcParameter(name = "type") |
| @RpcDefault(value = "1") |
| Integer type, |
| @RpcParameter(name = "reportId") |
| Integer reportId, |
| @RpcParameter(name = "buffSize") |
| Integer buffSize) throws Exception { |
| BluetoothDevice device = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| deviceID); |
| Log.d("type=" + type + " reportId=" + reportId); |
| return sHidProfile.getReport(device, (byte) (int) type, (byte) (int) reportId, buffSize); |
| } |
| /** |
| * Sends a data report to the given connected HID input device. |
| * @param deviceID name or MAC address or the HID input device |
| * @param report the report payload |
| * @return True if successfully sent the command; otherwise false |
| * @throws Exception error from Bluetooth HidService |
| */ |
| @Rpc(description = "Send data to a connected HID device.") |
| public Boolean bluetoothHidSendData( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID, |
| @RpcParameter(name = "report") |
| String report) throws Exception { |
| BluetoothDevice device = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| deviceID); |
| return sHidProfile.sendData(device, report); |
| } |
| |
| |
| /** |
| * Sends the virtual cable unplug command to the given connected HID input device. |
| * @param deviceID name or MAC address or the HID input device |
| * @return True if successfully sent the command; otherwise false |
| * @throws Exception error from Bluetooth HidService |
| */ |
| @Rpc(description = "Send virtual unplug to a connected HID device.") |
| public Boolean bluetoothHidVirtualUnplug( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID) throws Exception { |
| BluetoothDevice device = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| deviceID); |
| return sHidProfile.virtualUnplug(device); |
| } |
| |
| /** |
| * Sends the Set_Priority command to the given connected HID input device. |
| * @param deviceID name or MAC address or the HID input device |
| * @param priority priority level |
| * @return True if successfully sent the command; otherwise false |
| * @throws Exception error from Bluetooth HidService |
| */ |
| @Rpc(description = "Set priority of the profile") |
| |
| public Boolean bluetoothHidSetPriority( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID, |
| @RpcParameter(name = "priority") |
| Integer priority) throws Exception { |
| BluetoothDevice device = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| deviceID); |
| return sHidProfile.setPriority(device, priority); |
| } |
| |
| /** |
| * Sends the Get_Priority command to the given connected HID input device. |
| * @param deviceID name or MAC address or the HID input device |
| * @return The value of the HID input device priority |
| * @throws Exception error from Bluetooth HidService |
| */ |
| @Rpc(description = "Get priority of the profile") |
| public Integer bluetoothHidGetPriority( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID) throws Exception { |
| BluetoothDevice device = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| deviceID); |
| return sHidProfile.getPriority(device); |
| } |
| |
| /** |
| * Sends the Set_Protocol_Mode command to the given connected HID input device. |
| * @param deviceID name or MAC address or the HID input device |
| * @param protocolMode protocol mode |
| * @return True if successfully sent the command; otherwise false |
| * @throws Exception error from Bluetooth HidService |
| */ |
| @Rpc(description = "Send Set_Protocol_Mode command to the connected HID input device.") |
| public Boolean bluetoothHidSetProtocolMode( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID, |
| @RpcParameter(name = "protocolMode") |
| Integer protocolMode) throws Exception { |
| BluetoothDevice device = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| deviceID); |
| return sHidProfile.setProtocolMode(device, protocolMode); |
| } |
| |
| /** |
| * Sends the Get_Protocol_Mode command to the given connected HID input device. |
| * @param deviceID name or MAC address or the HID input device |
| * @return True if successfully sent the command; otherwise false |
| * @throws Exception error from Bluetooth HidService |
| */ |
| @Rpc(description = "Send Get_Protocol_Mode command to the connected HID input device.") |
| public Boolean bluetoothHidGetProtocolMode( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID) throws Exception { |
| BluetoothDevice device = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| deviceID); |
| return sHidProfile.getProtocolMode(device); |
| } |
| |
| /** |
| * Sends the Set_Idle_Time command to the given connected HID input device. |
| * @param deviceID name or MAC address or the HID input device |
| * @param idleTime idle time |
| * @return True if successfully sent the command; otherwise false |
| * @throws Exception error from Bluetooth HidService |
| */ |
| @Rpc(description = "Send Set_Idle_Time command to the connected HID input device.") |
| public Boolean bluetoothHidSetIdleTime( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID, |
| @RpcParameter(name = "idleTime") |
| Integer idleTime) throws Exception { |
| BluetoothDevice device = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| deviceID); |
| return sHidProfile.setIdleTime(device, (byte) (int) idleTime); |
| } |
| |
| /** |
| * Sends the Get_Idle_Time command to the given connected HID input device. |
| * @param deviceID name or MAC address or the HID input device |
| * @return True if successfully sent the command; otherwise false |
| * @throws Exception error from Bluetooth HidService |
| */ |
| @Rpc(description = "Send Get_Idle_Time command to the connected HID input device.") |
| public Boolean bluetoothHidGetIdleTime( |
| @RpcParameter(name = "deviceID", |
| description = "Name or MAC address of a bluetooth device.") |
| String deviceID) throws Exception { |
| BluetoothDevice device = BluetoothFacade.getDevice(sHidProfile.getConnectedDevices(), |
| deviceID); |
| return sHidProfile.getIdleTime(device); |
| } |
| |
| @Rpc(description = "Test byte transfer.") |
| public byte[] testByte() { |
| byte[] bts = {0b01,0b10,0b11,0b100}; |
| return bts; |
| } |
| |
| @Override |
| public void shutdown() { |
| } |
| } |
| |
