| /* |
| * Copyright (C) 2008 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.systemui.statusbar.policy; |
| |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothDevice; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class BluetoothControllerImpl extends BroadcastReceiver implements BluetoothController { |
| private static final String TAG = "StatusBar.BluetoothController"; |
| |
| private final ArrayList<Callback> mCallbacks = new ArrayList<Callback>(); |
| private final Set<BluetoothDevice> mBondedDevices = new HashSet<BluetoothDevice>(); |
| private final BluetoothAdapter mAdapter; |
| |
| private boolean mEnabled; |
| private boolean mConnecting; |
| private BluetoothDevice mLastDevice; |
| |
| public BluetoothControllerImpl(Context context) { |
| mAdapter = BluetoothAdapter.getDefaultAdapter(); |
| |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); |
| filter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED); |
| filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED); |
| filter.addAction(BluetoothDevice.ACTION_ALIAS_CHANGED); |
| context.registerReceiver(this, filter); |
| |
| final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| if (adapter != null) { |
| handleAdapterStateChange(adapter.getState()); |
| } |
| fireCallbacks(); |
| updateBondedBluetoothDevices(); |
| } |
| |
| public void addStateChangedCallback(Callback cb) { |
| mCallbacks.add(cb); |
| fireCallback(cb); |
| } |
| |
| @Override |
| public void removeStateChangedCallback(Callback cb) { |
| mCallbacks.remove(cb); |
| } |
| |
| @Override |
| public boolean isBluetoothEnabled() { |
| return mAdapter != null && mAdapter.isEnabled(); |
| } |
| |
| @Override |
| public boolean isBluetoothConnected() { |
| return mAdapter != null |
| && mAdapter.getConnectionState() == BluetoothAdapter.STATE_CONNECTED; |
| } |
| |
| @Override |
| public boolean isBluetoothConnecting() { |
| return mAdapter != null |
| && mAdapter.getConnectionState() == BluetoothAdapter.STATE_CONNECTING; |
| } |
| |
| @Override |
| public void setBluetoothEnabled(boolean enabled) { |
| if (mAdapter != null) { |
| if (enabled) { |
| mAdapter.enable(); |
| } else { |
| mAdapter.disable(); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isBluetoothSupported() { |
| return mAdapter != null; |
| } |
| |
| public Set<BluetoothDevice> getBondedBluetoothDevices() { |
| return mBondedDevices; |
| } |
| |
| @Override |
| public String getLastDeviceName() { |
| return mLastDevice != null ? mLastDevice.getAliasName() |
| : mBondedDevices.size() == 1 ? mBondedDevices.iterator().next().getAliasName() |
| : null; |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| |
| if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) { |
| handleAdapterStateChange( |
| intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR)); |
| } |
| if (action.equals(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED)) { |
| mConnecting = intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE, -1) |
| == BluetoothAdapter.STATE_CONNECTING; |
| mLastDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| } |
| if (action.equals(BluetoothDevice.ACTION_ALIAS_CHANGED)) { |
| mLastDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| } |
| fireCallbacks(); |
| updateBondedBluetoothDevices(); |
| } |
| |
| private void updateBondedBluetoothDevices() { |
| mBondedDevices.clear(); |
| |
| BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| if (adapter != null) { |
| Set<BluetoothDevice> devices = adapter.getBondedDevices(); |
| if (devices != null) { |
| for (BluetoothDevice device : devices) { |
| if (device.getBondState() != BluetoothDevice.BOND_NONE) { |
| mBondedDevices.add(device); |
| } |
| } |
| } |
| } |
| } |
| |
| private void handleAdapterStateChange(int adapterState) { |
| mEnabled = (adapterState == BluetoothAdapter.STATE_ON); |
| } |
| |
| private void fireCallbacks() { |
| for (Callback cb : mCallbacks) { |
| fireCallback(cb); |
| } |
| } |
| |
| private void fireCallback(Callback cb) { |
| cb.onBluetoothStateChange(mEnabled, mConnecting); |
| } |
| } |