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/*
* Copyright (C) 2012 Google Inc.
*/
package com.android.bluetooth.a2dp;
import android.app.Service;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothProfile;
import android.bluetooth.IBluetoothA2dp;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.provider.Settings;
import android.util.Log;
import java.util.List;
/**
* Provides Bluetooth A2DP profile, as a service in the Bluetooth application.
* @hide
*/
public class A2dpService extends Service {
private static final String TAG = "BluetoothA2dpService";
private static final boolean DBG = true;
static final String BLUETOOTH_ADMIN_PERM =
android.Manifest.permission.BLUETOOTH_ADMIN;
static final String BLUETOOTH_PERM = android.Manifest.permission.BLUETOOTH;
private BluetoothAdapter mAdapter;
private A2dpStateMachine mStateMachine;
@Override
public void onCreate() {
log("onCreate");
super.onCreate();
mAdapter = BluetoothAdapter.getDefaultAdapter();
if (mAdapter == null) {
// no bluetooth on this device
return;
}
mStateMachine = new A2dpStateMachine(this);
mStateMachine.start();
}
@Override
public IBinder onBind(Intent intent) {
log("onBind");
return mBinder;
}
public void onStart(Intent intent, int startId) {
log("onStart");
if (mAdapter == null) {
Log.w(TAG, "Stopping Bluetooth A2dpService: device does not have BT");
stopSelf();
}
}
@Override
public void onDestroy() {
super.onDestroy();
if (DBG) log("Stopping Bluetooth A2dpService");
}
/**
* Handlers for incoming service calls
*/
private final IBluetoothA2dp.Stub mBinder = new IBluetoothA2dp.Stub() {
public boolean connect(BluetoothDevice device) {
enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM,
"Need BLUETOOTH ADMIN permission");
if (getPriority(device) == BluetoothProfile.PRIORITY_OFF) {
return false;
}
int connectionState = mStateMachine.getConnectionState(device);
if (connectionState == BluetoothProfile.STATE_CONNECTED ||
connectionState == BluetoothProfile.STATE_CONNECTING) {
return false;
}
mStateMachine.sendMessage(A2dpStateMachine.CONNECT, device);
return true;
}
public boolean disconnect(BluetoothDevice device) {
enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM,
"Need BLUETOOTH ADMIN permission");
int connectionState = mStateMachine.getConnectionState(device);
if (connectionState != BluetoothProfile.STATE_CONNECTED &&
connectionState != BluetoothProfile.STATE_CONNECTING) {
return false;
}
mStateMachine.sendMessage(A2dpStateMachine.DISCONNECT, device);
return true;
}
public List<BluetoothDevice> getConnectedDevices() {
enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission");
return mStateMachine.getConnectedDevices();
}
public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) {
enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission");
return mStateMachine.getDevicesMatchingConnectionStates(states);
}
public int getConnectionState(BluetoothDevice device) {
enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission");
return mStateMachine.getConnectionState(device);
}
public boolean setPriority(BluetoothDevice device, int priority) {
enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM,
"Need BLUETOOTH_ADMIN permission");
Settings.Secure.putInt(getContentResolver(),
Settings.Secure.getBluetoothA2dpSinkPriorityKey(device.getAddress()),
priority);
if (DBG) log("Saved priority " + device + " = " + priority);
return true;
}
public int getPriority(BluetoothDevice device) {
enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM,
"Need BLUETOOTH_ADMIN permission");
int priority = Settings.Secure.getInt(getContentResolver(),
Settings.Secure.getBluetoothA2dpSinkPriorityKey(device.getAddress()),
BluetoothProfile.PRIORITY_UNDEFINED);
return priority;
}
public synchronized boolean isA2dpPlaying(BluetoothDevice device) {
enforceCallingOrSelfPermission(BLUETOOTH_PERM,
"Need BLUETOOTH permission");
if (DBG) log("isA2dpPlaying(" + device + ")");
return mStateMachine.isPlaying(device);
}
};
private static void log(String msg) {
Log.d(TAG, msg);
}
}
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