/*
* Copyright (C) 2011 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.settingslib.bluetooth;
import android.bluetooth.BluetoothA2dp;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothClass;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothProfile;
import android.bluetooth.BluetoothUuid;
import android.content.Context;
import android.os.ParcelUuid;
import android.util.Log;
import com.android.settingslib.R;
import java.util.ArrayList;
import java.util.List;
public final class A2dpProfile implements LocalBluetoothProfile {
private static final String TAG = "A2dpProfile";
private static boolean V = false;
private BluetoothA2dp mService;
private boolean mIsProfileReady;
private final LocalBluetoothAdapter mLocalAdapter;
private final CachedBluetoothDeviceManager mDeviceManager;
static final ParcelUuid[] SINK_UUIDS = {
BluetoothUuid.AudioSink,
BluetoothUuid.AdvAudioDist,
};
static final String NAME = "A2DP";
private final LocalBluetoothProfileManager mProfileManager;
// Order of this profile in device profiles list
private static final int ORDINAL = 1;
// These callbacks run on the main thread.
private final class A2dpServiceListener
implements BluetoothProfile.ServiceListener {
public void onServiceConnected(int profile, BluetoothProfile proxy) {
if (V) Log.d(TAG,"Bluetooth service connected");
mService = (BluetoothA2dp) proxy;
// We just bound to the service, so refresh the UI for any connected A2DP devices.
List<BluetoothDevice> deviceList = mService.getConnectedDevices();
while (!deviceList.isEmpty()) {
BluetoothDevice nextDevice = deviceList.remove(0);
CachedBluetoothDevice device = mDeviceManager.findDevice(nextDevice);
// we may add a new device here, but generally this should not happen
if (device == null) {
Log.w(TAG, "A2dpProfile found new device: " + nextDevice);
device = mDeviceManager.addDevice(mLocalAdapter, mProfileManager, nextDevice);
}
device.onProfileStateChanged(A2dpProfile.this, BluetoothProfile.STATE_CONNECTED);
device.refresh();
}
mIsProfileReady=true;
}
public void onServiceDisconnected(int profile) {
if (V) Log.d(TAG,"Bluetooth service disconnected");
mIsProfileReady=false;
}
}
public boolean isProfileReady() {
return mIsProfileReady;
}
A2dpProfile(Context context, LocalBluetoothAdapter adapter,
CachedBluetoothDeviceManager deviceManager,
LocalBluetoothProfileManager profileManager) {
mLocalAdapter = adapter;
mDeviceManager = deviceManager;
mProfileManager = profileManager;
mLocalAdapter.getProfileProxy(context, new A2dpServiceListener(),
BluetoothProfile.A2DP);
}
public boolean isConnectable() {
return true;
}
public boolean isAutoConnectable() {
return true;
}
public List<BluetoothDevice> getConnectedDevices() {
if (mService == null) return new ArrayList<BluetoothDevice>(0);
return mService.getDevicesMatchingConnectionStates(
new int[] {BluetoothProfile.STATE_CONNECTED,
BluetoothProfile.STATE_CONNECTING,
BluetoothProfile.STATE_DISCONNECTING});
}
public boolean connect(BluetoothDevice device) {
if (mService == null) return false;
List<BluetoothDevice> sinks = getConnectedDevices();
if (sinks != null) {
for (BluetoothDevice sink : sinks) {
if (sink.equals(device)) {
// Connect to same device, Ignore it
Log.d(TAG,"Not disconnecting device = " + sink);
return true;
}
}
}
return mService.connect(device);
}
public boolean disconnect(BluetoothDevice device) {
if (mService == null) return false;
List<BluetoothDevice> deviceList = mService.getConnectedDevices();
if (!deviceList.isEmpty()) {
for (BluetoothDevice dev : deviceList) {
if (dev.equals(device)) {
if (V) Log.d(TAG,"Downgrade priority as user" +
"is disconnecting the headset");
// Downgrade priority as user is disconnecting the headset.
if (mService.getPriority(device) > BluetoothProfile.PRIORITY_ON) {
mService.setPriority(device, BluetoothProfile.PRIORITY_ON);
}
return mService.disconnect(device);
}
}
}
return false;
}
public int getConnectionStatus(BluetoothDevice device) {
if (mService == null) {
return BluetoothProfile.STATE_DISCONNECTED;
}
List<BluetoothDevice> deviceList = mService.getConnectedDevices();
if (!deviceList.isEmpty()) {
for (BluetoothDevice dev : deviceList) {
if (dev.equals(device)) {
return mService.getConnectionState(device);
}
}
}
return BluetoothProfile.STATE_DISCONNECTED;
}
public boolean isPreferred(BluetoothDevice device) {
if (mService == null) return false;
return mService.getPriority(device) > BluetoothProfile.PRIORITY_OFF;
}
public int getPreferred(BluetoothDevice device) {
if (mService == null) return BluetoothProfile.PRIORITY_OFF;
return mService.getPriority(device);
}
public void setPreferred(BluetoothDevice device, boolean preferred) {
if (mService == null) return;
if (preferred) {
if (mService.getPriority(device) < BluetoothProfile.PRIORITY_ON) {
mService.setPriority(device, BluetoothProfile.PRIORITY_ON);
}
} else {
mService.setPriority(device, BluetoothProfile.PRIORITY_OFF);
}
}
boolean isA2dpPlaying() {
if (mService == null) return false;
List<BluetoothDevice> sinks = mService.getConnectedDevices();
if (!sinks.isEmpty()) {
if (mService.isA2dpPlaying(sinks.get(0))) {
return true;
}
}
return false;
}
public String toString() {
return NAME;
}
public int getOrdinal() {
return ORDINAL;
}
public int getNameResource(BluetoothDevice device) {
return R.string.bluetooth_profile_a2dp;
}
public int getSummaryResourceForDevice(BluetoothDevice device) {
int state = getConnectionStatus(device);
switch (state) {
case BluetoothProfile.STATE_DISCONNECTED:
return R.string.bluetooth_a2dp_profile_summary_use_for;
case BluetoothProfile.STATE_CONNECTED:
return R.string.bluetooth_a2dp_profile_summary_connected;
default:
return Utils.getConnectionStateSummary(state);
}
}
public int getDrawableResource(BluetoothClass btClass) {
return R.drawable.ic_bt_headphones_a2dp;
}
protected void finalize() {
if (V) Log.d(TAG, "finalize()");
if (mService != null) {
try {
BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.A2DP,
mService);
mService = null;
}catch (Throwable t) {
Log.w(TAG, "Error cleaning up A2DP proxy", t);
}
}
}
}