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/*
* 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.settings.bluetooth;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothClass;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHeadset;
import android.bluetooth.BluetoothProfile;
import android.bluetooth.BluetoothUuid;
import android.content.Context;
import android.os.ParcelUuid;
import android.util.Log;
import com.android.settings.R;
import java.util.List;
/**
* HeadsetProfile handles Bluetooth HFP and Headset profiles.
*/
final class HeadsetProfile implements LocalBluetoothProfile {
private static final String TAG = "HeadsetProfile";
private static boolean V = true;
private BluetoothHeadset mService;
private boolean mIsProfileReady;
private final LocalBluetoothAdapter mLocalAdapter;
private final CachedBluetoothDeviceManager mDeviceManager;
private final LocalBluetoothProfileManager mProfileManager;
static final ParcelUuid[] UUIDS = {
BluetoothUuid.HSP,
BluetoothUuid.Handsfree,
};
static final String NAME = "HEADSET";
// Order of this profile in device profiles list
private static final int ORDINAL = 0;
// These callbacks run on the main thread.
private final class HeadsetServiceListener
implements BluetoothProfile.ServiceListener {
public void onServiceConnected(int profile, BluetoothProfile proxy) {
if (V) Log.d(TAG,"Bluetooth service connected");
mService = (BluetoothHeadset) proxy;
// We just bound to the service, so refresh the UI of the
// headset device.
List<BluetoothDevice> deviceList = mService.getConnectedDevices();
if (deviceList.isEmpty()) {
mProfileManager.setHfServiceUp(true);
return;
}
BluetoothDevice firstDevice = deviceList.get(0);
CachedBluetoothDevice device = mDeviceManager.findDevice(firstDevice);
// we may add a new device here, but generally this should not happen
if (device == null) {
Log.w(TAG, "HeadsetProfile found new device: " + firstDevice);
device = mDeviceManager.addDevice(mLocalAdapter, mProfileManager, firstDevice);
}
device.onProfileStateChanged(HeadsetProfile.this,
BluetoothProfile.STATE_CONNECTED);
mProfileManager.callServiceConnectedListeners();
mProfileManager.setHfServiceUp(true);
mIsProfileReady=true;
}
public void onServiceDisconnected(int profile) {
if (V) Log.d(TAG,"Bluetooth service disconnected");
mProfileManager.callServiceDisconnectedListeners();
mProfileManager.setHfServiceUp(false);
mIsProfileReady=false;
}
}
public boolean isProfileReady() {
return mIsProfileReady;
}
// TODO(): The calls must get queued if mService becomes null.
// It can happen when the phone app crashes for some reason.
// All callers should have service listeners. Dock Service is the only
// one right now.
HeadsetProfile(Context context, LocalBluetoothAdapter adapter,
CachedBluetoothDeviceManager deviceManager,
LocalBluetoothProfileManager profileManager) {
mLocalAdapter = adapter;
mDeviceManager = deviceManager;
mProfileManager = profileManager;
mLocalAdapter.getProfileProxy(context, new HeadsetServiceListener(),
BluetoothProfile.HEADSET);
}
public boolean isConnectable() {
return true;
}
public boolean isAutoConnectable() {
return true;
}
public boolean connect(BluetoothDevice device) {
List<BluetoothDevice> sinks = mService.getConnectedDevices();
if (sinks != null) {
for (BluetoothDevice sink : sinks) {
mService.disconnect(sink);
}
}
return mService.connect(device);
}
public boolean disconnect(BluetoothDevice device) {
List<BluetoothDevice> deviceList = mService.getConnectedDevices();
if (!deviceList.isEmpty() && deviceList.get(0).equals(device)) {
// 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);
} else {
return false;
}
}
public int getConnectionStatus(BluetoothDevice device) {
if (mService == null) return BluetoothProfile.STATE_DISCONNECTED;
List<BluetoothDevice> deviceList = mService.getConnectedDevices();
return !deviceList.isEmpty() && deviceList.get(0).equals(device)
? mService.getConnectionState(device)
: BluetoothProfile.STATE_DISCONNECTED;
}
public boolean isPreferred(BluetoothDevice device) {
return mService.getPriority(device) > BluetoothProfile.PRIORITY_OFF;
}
public int getPreferred(BluetoothDevice device) {
return mService.getPriority(device);
}
public void setPreferred(BluetoothDevice device, boolean preferred) {
if (preferred) {
if (mService.getPriority(device) < BluetoothProfile.PRIORITY_ON) {
mService.setPriority(device, BluetoothProfile.PRIORITY_ON);
}
} else {
mService.setPriority(device, BluetoothProfile.PRIORITY_OFF);
}
}
// This function is added as the AUTO CONNECT priority could not be set by using setPreferred(),
// as setPreferred() takes only boolean input but getPreferred() supports interger output.
// Also this need not implemented by all profiles so this has been added here.
public void enableAutoConnect(BluetoothDevice device, boolean enable) {
if (enable) {
mService.setPriority(device, BluetoothProfile.PRIORITY_AUTO_CONNECT);
} else {
if (mService.getPriority(device) > BluetoothProfile.PRIORITY_ON) {
mService.setPriority(device, BluetoothProfile.PRIORITY_ON);
}
}
}
public String toString() {
return NAME;
}
public int getOrdinal() {
return ORDINAL;
}
public int getNameResource(BluetoothDevice device) {
return R.string.bluetooth_profile_headset;
}
public int getSummaryResourceForDevice(BluetoothDevice device) {
int state = mService.getConnectionState(device);
switch (state) {
case BluetoothProfile.STATE_DISCONNECTED:
return R.string.bluetooth_headset_profile_summary_use_for;
case BluetoothProfile.STATE_CONNECTED:
return R.string.bluetooth_headset_profile_summary_connected;
default:
return Utils.getConnectionStateSummary(state);
}
}
public int getDrawableResource(BluetoothClass btClass) {
return R.drawable.ic_bt_headset_hfp;
}
protected void finalize() {
if (V) Log.d(TAG, "finalize()");
if (mService != null) {
try {
BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.HEADSET, mService);
mService = null;
}catch (Throwable t) {
Log.w(TAG, "Error cleaning up HID proxy", t);
}
}
}
}
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