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/*
* Copyright (C) 2017 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.BluetoothProfile;
import android.content.Context;
import android.media.AudioManager;
import android.support.annotation.VisibleForTesting;
import android.util.Log;
import com.android.settings.connecteddevice.DevicePreferenceCallback;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settingslib.bluetooth.CachedBluetoothDevice;
import com.android.settingslib.bluetooth.LocalBluetoothManager;
/**
* Controller to maintain connected bluetooth devices
*/
public class ConnectedBluetoothDeviceUpdater extends BluetoothDeviceUpdater {
private static final String TAG = "ConnBluetoothDeviceUpdater";
private static final boolean DBG = false;
private final AudioManager mAudioManager;
public ConnectedBluetoothDeviceUpdater(Context context, DashboardFragment fragment,
DevicePreferenceCallback devicePreferenceCallback) {
super(context, fragment, devicePreferenceCallback);
mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
}
@VisibleForTesting
ConnectedBluetoothDeviceUpdater(DashboardFragment fragment,
DevicePreferenceCallback devicePreferenceCallback,
LocalBluetoothManager localBluetoothManager) {
super(fragment, devicePreferenceCallback, localBluetoothManager);
mAudioManager = (AudioManager) fragment.getContext().
getSystemService(Context.AUDIO_SERVICE);
}
@Override
public void onAudioModeChanged() {
forceUpdate();
}
@Override
public void onConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state) {
if (DBG) {
Log.d(TAG,"onConnectionStateChanged() device : " +
cachedDevice.getName() + ", state : " + state);
}
if (state == BluetoothAdapter.STATE_CONNECTED) {
if (isFilterMatched(cachedDevice)) {
addPreference(cachedDevice);
} else {
removePreference(cachedDevice);
}
} else if (state == BluetoothAdapter.STATE_DISCONNECTED) {
removePreference(cachedDevice);
}
}
@Override
public boolean isFilterMatched(CachedBluetoothDevice cachedDevice) {
final int audioMode = mAudioManager.getMode();
final int currentAudioProfile;
if (audioMode == AudioManager.MODE_RINGTONE
|| audioMode == AudioManager.MODE_IN_CALL
|| audioMode == AudioManager.MODE_IN_COMMUNICATION) {
// in phone call
currentAudioProfile = BluetoothProfile.HEADSET;
} else {
// without phone call
currentAudioProfile = BluetoothProfile.A2DP;
}
boolean isFilterMatched = false;
if (isDeviceConnected(cachedDevice)) {
if (DBG) {
Log.d(TAG, "isFilterMatched() current audio profile : " + currentAudioProfile);
}
// According to the current audio profile type,
// this page will show the bluetooth device that doesn't have corresponding profile.
// For example:
// If current audio profile is a2dp,
// show the bluetooth device that doesn't have a2dp profile.
// If current audio profile is headset,
// show the bluetooth device that doesn't have headset profile.
switch (currentAudioProfile) {
case BluetoothProfile.A2DP:
isFilterMatched = !cachedDevice.isA2dpDevice();
break;
case BluetoothProfile.HEADSET:
isFilterMatched = !cachedDevice.isHfpDevice();
break;
}
if (DBG) {
Log.d(TAG, "isFilterMatched() device : " +
cachedDevice.getName() + ", isFilterMatched : " + isFilterMatched);
}
}
return isFilterMatched;
}
}
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