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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 com.android.settings.bluetooth.LocalBluetoothManager.ExtendedBluetoothState;
import android.bluetooth.BluetoothA2dp;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHeadset;
import android.bluetooth.BluetoothError;
import android.bluetooth.BluetoothIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.util.Log;
/**
* BluetoothEventRedirector receives broadcasts and callbacks from the Bluetooth
* API and dispatches the event on the UI thread to the right class in the
* Settings.
*/
public class BluetoothEventRedirector {
private static final String TAG = "BluetoothEventRedirector";
private static final boolean V = LocalBluetoothManager.V;
private LocalBluetoothManager mManager;
private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (V) {
Log.v(TAG, "Received " + intent.getAction());
}
String action = intent.getAction();
String address = intent.getStringExtra(BluetoothIntent.ADDRESS);
if (action.equals(BluetoothIntent.ENABLED_ACTION)) {
mManager.setBluetoothStateInt(ExtendedBluetoothState.ENABLED);
} else if (action.equals(BluetoothIntent.DISABLED_ACTION)) {
mManager.setBluetoothStateInt(ExtendedBluetoothState.DISABLED);
} else if (action.equals(BluetoothIntent.DISCOVERY_STARTED_ACTION)) {
mManager.onScanningStateChanged(true);
} else if (action.equals(BluetoothIntent.DISCOVERY_COMPLETED_ACTION)) {
mManager.onScanningStateChanged(false);
} else if (action.equals(BluetoothIntent.REMOTE_DEVICE_FOUND_ACTION)) {
short rssi = intent.getShortExtra(BluetoothIntent.RSSI, Short.MIN_VALUE);
mManager.getLocalDeviceManager().onDeviceAppeared(address, rssi);
} else if (action.equals(BluetoothIntent.REMOTE_DEVICE_DISAPPEARED_ACTION)) {
mManager.getLocalDeviceManager().onDeviceDisappeared(address);
} else if (action.equals(BluetoothIntent.REMOTE_NAME_UPDATED_ACTION)) {
mManager.getLocalDeviceManager().onDeviceNameUpdated(address);
} else if (action.equals(BluetoothIntent.BOND_STATE_CHANGED_ACTION)) {
int bondState = intent.getIntExtra(BluetoothIntent.BOND_STATE,
BluetoothError.ERROR);
mManager.getLocalDeviceManager().onBondingStateChanged(address, bondState);
if (bondState == BluetoothDevice.BOND_NOT_BONDED) {
int reason = intent.getIntExtra(BluetoothIntent.REASON, BluetoothError.ERROR);
if (reason == BluetoothDevice.UNBOND_REASON_AUTH_FAILED ||
reason == BluetoothDevice.UNBOND_REASON_AUTH_REJECTED ||
reason == BluetoothDevice.UNBOND_REASON_REMOTE_DEVICE_DOWN) {
mManager.getLocalDeviceManager().onBondingError(address, reason);
}
}
} else if (action.equals(BluetoothIntent.HEADSET_STATE_CHANGED_ACTION)) {
mManager.getLocalDeviceManager().onProfileStateChanged(address);
int newState = intent.getIntExtra(BluetoothIntent.HEADSET_STATE, 0);
int oldState = intent.getIntExtra(BluetoothIntent.HEADSET_PREVIOUS_STATE, 0);
if (newState == BluetoothHeadset.STATE_DISCONNECTED &&
oldState == BluetoothHeadset.STATE_CONNECTING) {
Log.i(TAG, "Failed to connect BT headset");
}
} else if (action.equals(BluetoothA2dp.SINK_STATE_CHANGED_ACTION)) {
mManager.getLocalDeviceManager().onProfileStateChanged(address);
int newState = intent.getIntExtra(BluetoothA2dp.SINK_STATE, 0);
int oldState = intent.getIntExtra(BluetoothA2dp.SINK_PREVIOUS_STATE, 0);
if (newState == BluetoothA2dp.STATE_DISCONNECTED &&
oldState == BluetoothA2dp.STATE_CONNECTING) {
Log.i(TAG, "Failed to connect BT A2DP");
}
} else if (action.equals(BluetoothIntent.REMOTE_DEVICE_CLASS_UPDATED_ACTION)) {
mManager.getLocalDeviceManager().onBtClassChanged(address);
}
}
};
public BluetoothEventRedirector(LocalBluetoothManager localBluetoothManager) {
mManager = localBluetoothManager;
}
public void start() {
IntentFilter filter = new IntentFilter();
// Bluetooth on/off broadcasts
filter.addAction(BluetoothIntent.ENABLED_ACTION);
filter.addAction(BluetoothIntent.DISABLED_ACTION);
// Discovery broadcasts
filter.addAction(BluetoothIntent.DISCOVERY_STARTED_ACTION);
filter.addAction(BluetoothIntent.DISCOVERY_COMPLETED_ACTION);
filter.addAction(BluetoothIntent.REMOTE_DEVICE_DISAPPEARED_ACTION);
filter.addAction(BluetoothIntent.REMOTE_DEVICE_FOUND_ACTION);
filter.addAction(BluetoothIntent.REMOTE_NAME_UPDATED_ACTION);
// Pairing broadcasts
filter.addAction(BluetoothIntent.BOND_STATE_CHANGED_ACTION);
// Fine-grained state broadcasts
filter.addAction(BluetoothA2dp.SINK_STATE_CHANGED_ACTION);
filter.addAction(BluetoothIntent.HEADSET_STATE_CHANGED_ACTION);
filter.addAction(BluetoothIntent.REMOTE_DEVICE_CLASS_UPDATED_ACTION);
mManager.getContext().registerReceiver(mBroadcastReceiver, filter);
}
public void stop() {
mManager.getContext().unregisterReceiver(mBroadcastReceiver);
}
}
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