| /* |
| * 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.android.settingslib.bluetooth; |
| |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothClass; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothHidDevice; |
| import android.bluetooth.BluetoothProfile; |
| import android.content.Context; |
| import android.util.Log; |
| |
| import com.android.settingslib.R; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * HidProfile handles Bluetooth HID profile. |
| */ |
| public class HidDeviceProfile implements LocalBluetoothProfile { |
| private static final String TAG = "HidDeviceProfile"; |
| // Order of this profile in device profiles list |
| private static final int ORDINAL = 18; |
| // HID Device Profile is always preferred. |
| private static final int PREFERRED_VALUE = -1; |
| private static final boolean DEBUG = true; |
| |
| private final LocalBluetoothAdapter mLocalAdapter; |
| private final CachedBluetoothDeviceManager mDeviceManager; |
| private final LocalBluetoothProfileManager mProfileManager; |
| static final String NAME = "HID DEVICE"; |
| |
| private BluetoothHidDevice mService; |
| private boolean mIsProfileReady; |
| |
| HidDeviceProfile(Context context, LocalBluetoothAdapter adapter, |
| CachedBluetoothDeviceManager deviceManager, |
| LocalBluetoothProfileManager profileManager) { |
| mLocalAdapter = adapter; |
| mDeviceManager = deviceManager; |
| mProfileManager = profileManager; |
| adapter.getProfileProxy(context, new HidDeviceServiceListener(), |
| BluetoothProfile.HID_DEVICE); |
| } |
| |
| // These callbacks run on the main thread. |
| private final class HidDeviceServiceListener |
| implements BluetoothProfile.ServiceListener { |
| |
| public void onServiceConnected(int profile, BluetoothProfile proxy) { |
| if (DEBUG) { |
| Log.d(TAG,"Bluetooth service connected :-)"); |
| } |
| mService = (BluetoothHidDevice) proxy; |
| // We just bound to the service, so refresh the UI for any connected HID devices. |
| List<BluetoothDevice> deviceList = mService.getConnectedDevices(); |
| for (BluetoothDevice nextDevice : deviceList) { |
| CachedBluetoothDevice device = mDeviceManager.findDevice(nextDevice); |
| // we may add a new device here, but generally this should not happen |
| if (device == null) { |
| Log.w(TAG, "HidProfile found new device: " + nextDevice); |
| device = mDeviceManager.addDevice(mLocalAdapter, mProfileManager, nextDevice); |
| } |
| Log.d(TAG, "Connection status changed: " + device); |
| device.onProfileStateChanged(HidDeviceProfile.this, |
| BluetoothProfile.STATE_CONNECTED); |
| device.refresh(); |
| } |
| mIsProfileReady = true; |
| } |
| |
| public void onServiceDisconnected(int profile) { |
| if (DEBUG) { |
| Log.d(TAG, "Bluetooth service disconnected"); |
| } |
| mIsProfileReady = false; |
| } |
| } |
| |
| @Override |
| public boolean isProfileReady() { |
| return mIsProfileReady; |
| } |
| |
| @Override |
| public boolean isConnectable() { |
| return true; |
| } |
| |
| @Override |
| public boolean isAutoConnectable() { |
| return false; |
| } |
| |
| @Override |
| public boolean connect(BluetoothDevice device) { |
| return false; |
| } |
| |
| @Override |
| public boolean disconnect(BluetoothDevice device) { |
| if (mService == null) { |
| return false; |
| } |
| return mService.disconnect(device); |
| } |
| |
| @Override |
| public int getConnectionStatus(BluetoothDevice device) { |
| if (mService == null) { |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| List<BluetoothDevice> deviceList = mService.getConnectedDevices(); |
| |
| return !deviceList.isEmpty() && deviceList.contains(device) |
| ? mService.getConnectionState(device) |
| : BluetoothProfile.STATE_DISCONNECTED; |
| } |
| |
| @Override |
| public boolean isPreferred(BluetoothDevice device) { |
| return getConnectionStatus(device) != BluetoothProfile.STATE_DISCONNECTED; |
| } |
| |
| @Override |
| public int getPreferred(BluetoothDevice device) { |
| return PREFERRED_VALUE; |
| } |
| |
| @Override |
| public void setPreferred(BluetoothDevice device, boolean preferred) { |
| // if set preferred to false, then disconnect to the current device |
| if (!preferred) { |
| mService.disconnect(device); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return NAME; |
| } |
| |
| @Override |
| public int getOrdinal() { |
| return ORDINAL; |
| } |
| |
| @Override |
| public int getNameResource(BluetoothDevice device) { |
| return R.string.bluetooth_profile_hid; |
| } |
| |
| @Override |
| public int getSummaryResourceForDevice(BluetoothDevice device) { |
| final int state = getConnectionStatus(device); |
| switch (state) { |
| case BluetoothProfile.STATE_DISCONNECTED: |
| return R.string.bluetooth_hid_profile_summary_use_for; |
| case BluetoothProfile.STATE_CONNECTED: |
| return R.string.bluetooth_hid_profile_summary_connected; |
| default: |
| return Utils.getConnectionStateSummary(state); |
| } |
| } |
| |
| @Override |
| public int getDrawableResource(BluetoothClass btClass) { |
| return R.drawable.ic_bt_misc_hid; |
| } |
| |
| protected void finalize() { |
| if (DEBUG) { |
| Log.d(TAG, "finalize()"); |
| } |
| if (mService != null) { |
| try { |
| BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.HID_DEVICE, |
| mService); |
| mService = null; |
| } catch (Throwable t) { |
| Log.w(TAG, "Error cleaning up HID proxy", t); |
| } |
| } |
| } |
| } |