| /* |
| * 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.BluetoothAdapter.BluetoothStateChangeCallback; |
| import android.bluetooth.BluetoothDevice; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.view.View; |
| import android.widget.ImageView; |
| |
| import com.android.systemui.R; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class BluetoothController extends BroadcastReceiver { |
| private static final String TAG = "StatusBar.BluetoothController"; |
| |
| private Context mContext; |
| private ArrayList<ImageView> mIconViews = new ArrayList<ImageView>(); |
| |
| private int mIconId = R.drawable.stat_sys_data_bluetooth; |
| private int mContentDescriptionId = 0; |
| private boolean mEnabled = false; |
| |
| private Set<BluetoothDevice> mBondedDevices = new HashSet<BluetoothDevice>(); |
| |
| private ArrayList<BluetoothStateChangeCallback> mChangeCallbacks = |
| new ArrayList<BluetoothStateChangeCallback>(); |
| |
| public BluetoothController(Context context) { |
| mContext = context; |
| |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); |
| filter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED); |
| filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED); |
| context.registerReceiver(this, filter); |
| |
| final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| if (adapter != null) { |
| handleAdapterStateChange(adapter.getState()); |
| handleConnectionStateChange(adapter.getConnectionState()); |
| } |
| refreshViews(); |
| updateBondedBluetoothDevices(); |
| } |
| |
| public void addIconView(ImageView v) { |
| mIconViews.add(v); |
| } |
| |
| public void addStateChangedCallback(BluetoothStateChangeCallback cb) { |
| mChangeCallbacks.add(cb); |
| } |
| |
| public Set<BluetoothDevice> getBondedBluetoothDevices() { |
| return mBondedDevices; |
| } |
| |
| @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)); |
| } else if (action.equals(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED)) { |
| handleConnectionStateChange( |
| intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE, |
| BluetoothAdapter.STATE_DISCONNECTED)); |
| } else if (action.equals(BluetoothDevice.ACTION_BOND_STATE_CHANGED)) { |
| // Fall through and update bonded devices and refresh view |
| } |
| refreshViews(); |
| 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); |
| } |
| } |
| } |
| } |
| } |
| |
| public void handleAdapterStateChange(int adapterState) { |
| mEnabled = (adapterState == BluetoothAdapter.STATE_ON); |
| } |
| |
| public void handleConnectionStateChange(int connectionState) { |
| final boolean connected = (connectionState == BluetoothAdapter.STATE_CONNECTED); |
| if (connected) { |
| mIconId = R.drawable.stat_sys_data_bluetooth_connected; |
| mContentDescriptionId = R.string.accessibility_bluetooth_connected; |
| } else { |
| mIconId = R.drawable.stat_sys_data_bluetooth; |
| mContentDescriptionId = R.string.accessibility_bluetooth_disconnected; |
| } |
| } |
| |
| public void refreshViews() { |
| int N = mIconViews.size(); |
| for (int i=0; i<N; i++) { |
| ImageView v = mIconViews.get(i); |
| v.setImageResource(mIconId); |
| v.setVisibility(mEnabled ? View.VISIBLE : View.GONE); |
| v.setContentDescription((mContentDescriptionId == 0) |
| ? null |
| : mContext.getString(mContentDescriptionId)); |
| } |
| for (BluetoothStateChangeCallback cb : mChangeCallbacks) { |
| cb.onBluetoothStateChange(mEnabled); |
| } |
| } |
| } |