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The Android Open Source Project
2009-03-03 18:28:52 -08:00
parent a578a6c4ad
commit 4e14e5ccbf
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src/com/android/settings/bluetooth/LocalBluetoothDeviceManager.java
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/*
* 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.settings.bluetooth;
import android.app.AlertDialog;
import android.bluetooth.BluetoothDevice;
import android.util.Log;
import android.widget.Toast;
import android.content.Context;
import com.android.settings.R;
import com.android.settings.bluetooth.LocalBluetoothManager.Callback;
import java.util.ArrayList;
import java.util.List;
/**
* LocalBluetoothDeviceManager manages the set of remote Bluetooth devices.
*/
public class LocalBluetoothDeviceManager {
private static final String TAG = "LocalBluetoothDeviceManager";
final LocalBluetoothManager mLocalManager;
final List<Callback> mCallbacks;
final List<LocalBluetoothDevice> mDevices = new ArrayList<LocalBluetoothDevice>();
public LocalBluetoothDeviceManager(LocalBluetoothManager localManager) {
mLocalManager = localManager;
mCallbacks = localManager.getCallbacks();
readPairedDevices();
}
private synchronized boolean readPairedDevices() {
BluetoothDevice manager = mLocalManager.getBluetoothManager();
String[] bondedAddresses = manager.listBonds();
if (bondedAddresses == null) return false;
boolean deviceAdded = false;
for (String address : bondedAddresses) {
LocalBluetoothDevice device = findDevice(address);
if (device == null) {
device = new LocalBluetoothDevice(mLocalManager.getContext(), address);
mDevices.add(device);
dispatchDeviceAdded(device);
deviceAdded = true;
}
}
return deviceAdded;
}
public synchronized List<LocalBluetoothDevice> getDevicesCopy() {
return new ArrayList<LocalBluetoothDevice>(mDevices);
}
void onBluetoothStateChanged(boolean enabled) {
if (enabled) {
readPairedDevices();
}
}
public synchronized void onDeviceAppeared(String address, short rssi) {
boolean deviceAdded = false;
LocalBluetoothDevice device = findDevice(address);
if (device == null) {
device = new LocalBluetoothDevice(mLocalManager.getContext(), address);
mDevices.add(device);
deviceAdded = true;
}
device.setRssi(rssi);
device.setVisible(true);
if (deviceAdded) {
dispatchDeviceAdded(device);
}
}
public synchronized void onDeviceDisappeared(String address) {
LocalBluetoothDevice device = findDevice(address);
if (device == null) return;
device.setVisible(false);
checkForDeviceRemoval(device);
}
private void checkForDeviceRemoval(LocalBluetoothDevice device) {
if (device.getBondState() == BluetoothDevice.BOND_NOT_BONDED &&
!device.isVisible()) {
// If device isn't paired, remove it altogether
mDevices.remove(device);
dispatchDeviceDeleted(device);
}
}
public synchronized void onDeviceNameUpdated(String address) {
LocalBluetoothDevice device = findDevice(address);
if (device != null) {
device.refreshName();
}
}
public synchronized LocalBluetoothDevice findDevice(String address) {
for (int i = mDevices.size() - 1; i >= 0; i--) {
LocalBluetoothDevice device = mDevices.get(i);
if (device.getAddress().equals(address)) {
return device;
}
}
return null;
}
/**
* Attempts to get the name of a remote device, otherwise returns the address.
*
* @param address The address.
* @return The name, or if unavailable, the address.
*/
public String getName(String address) {
LocalBluetoothDevice device = findDevice(address);
return device != null ? device.getName() : address;
}
private void dispatchDeviceAdded(LocalBluetoothDevice device) {
synchronized (mCallbacks) {
for (Callback callback : mCallbacks) {
callback.onDeviceAdded(device);
}
}
// TODO: divider between prev paired/connected and scanned
}
private void dispatchDeviceDeleted(LocalBluetoothDevice device) {
synchronized (mCallbacks) {
for (Callback callback : mCallbacks) {
callback.onDeviceDeleted(device);
}
}
}
public synchronized void onBondingStateChanged(String address, int bondState) {
LocalBluetoothDevice device = findDevice(address);
if (device == null) {
if (!readPairedDevices()) {
Log.e(TAG, "Got bonding state changed for " + address +
", but we have no record of that device.");
}
return;
}
device.refresh();
if (bondState == BluetoothDevice.BOND_BONDED) {
// Auto-connect after pairing
device.connect();
}
}
/**
* Called when there is a bonding error.
*
* @param address The address of the remote device.
* @param reason The reason, one of the error reasons from
* BluetoothDevice.UNBOND_REASON_*
*/
public synchronized void onBondingError(String address, int reason) {
mLocalManager.showError(address, R.string.bluetooth_error_title,
(reason == BluetoothDevice.UNBOND_REASON_AUTH_FAILED) ?
R.string.bluetooth_pairing_pin_error_message :
R.string.bluetooth_pairing_error_message);
}
public synchronized void onProfileStateChanged(String address) {
LocalBluetoothDevice device = findDevice(address);
if (device == null) return;
device.refresh();
}
public synchronized void onConnectingError(String address) {
LocalBluetoothDevice device = findDevice(address);
if (device == null) return;
/*
* Go through the device's delegate so we don't spam the user with
* errors connecting to different profiles, and instead make sure the
* user sees a single error for his single 'connect' action.
*/
device.showConnectingError();
}
public synchronized void onScanningStateChanged(boolean started) {
if (!started) return;
// If starting a new scan, clear old visibility
for (int i = mDevices.size() - 1; i >= 0; i--) {
LocalBluetoothDevice device = mDevices.get(i);
device.setVisible(false);
checkForDeviceRemoval(device);
}
}
public synchronized void onBtClassChanged(String address) {
LocalBluetoothDevice device = findDevice(address);
if (device != null) {
device.refreshBtClass();
}
}
}