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/*
* Copyright 2020 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.server.bluetooth;
import android.annotation.RequiresPermission;
import android.bluetooth.BluetoothA2dp;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothHearingAid;
import android.bluetooth.BluetoothLeAudio;
import android.bluetooth.BluetoothProfile;
import android.bluetooth.BluetoothProfile.ServiceListener;
import android.content.Context;
import android.content.res.Resources;
import android.provider.Settings;
import android.widget.Toast;
import com.android.internal.annotations.VisibleForTesting;
/**
* Helper class that handles callout and callback methods without
* complex logic.
*/
public class BluetoothModeChangeHelper {
private volatile BluetoothA2dp mA2dp;
private volatile BluetoothHearingAid mHearingAid;
private volatile BluetoothLeAudio mLeAudio;
private final BluetoothAdapter mAdapter;
private final Context mContext;
BluetoothModeChangeHelper(Context context) {
mAdapter = BluetoothAdapter.getDefaultAdapter();
mContext = context;
mAdapter.getProfileProxy(mContext, mProfileServiceListener, BluetoothProfile.A2DP);
mAdapter.getProfileProxy(mContext, mProfileServiceListener,
BluetoothProfile.HEARING_AID);
mAdapter.getProfileProxy(mContext, mProfileServiceListener, BluetoothProfile.LE_AUDIO);
}
private final ServiceListener mProfileServiceListener = new ServiceListener() {
@Override
public void onServiceConnected(int profile, BluetoothProfile proxy) {
// Setup Bluetooth profile proxies
switch (profile) {
case BluetoothProfile.A2DP:
mA2dp = (BluetoothA2dp) proxy;
break;
case BluetoothProfile.HEARING_AID:
mHearingAid = (BluetoothHearingAid) proxy;
break;
case BluetoothProfile.LE_AUDIO:
mLeAudio = (BluetoothLeAudio) proxy;
break;
default:
break;
}
}
@Override
public void onServiceDisconnected(int profile) {
// Clear Bluetooth profile proxies
switch (profile) {
case BluetoothProfile.A2DP:
mA2dp = null;
break;
case BluetoothProfile.HEARING_AID:
mHearingAid = null;
break;
case BluetoothProfile.LE_AUDIO:
mLeAudio = null;
break;
default:
break;
}
}
};
@VisibleForTesting
public boolean isMediaProfileConnected() {
return isA2dpConnected() || isHearingAidConnected() || isLeAudioConnected();
}
@VisibleForTesting
public boolean isBluetoothOn() {
final BluetoothAdapter adapter = mAdapter;
if (adapter == null) {
return false;
}
return adapter.isLeEnabled();
}
@VisibleForTesting
public boolean isAirplaneModeOn() {
return Settings.Global.getInt(mContext.getContentResolver(),
Settings.Global.AIRPLANE_MODE_ON, 0) == 1;
}
@VisibleForTesting
@RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED)
public void onAirplaneModeChanged(BluetoothManagerService managerService) {
managerService.onAirplaneModeChanged();
}
@VisibleForTesting
public int getSettingsInt(String name) {
return Settings.Global.getInt(mContext.getContentResolver(),
name, 0);
}
@VisibleForTesting
public void setSettingsInt(String name, int value) {
Settings.Global.putInt(mContext.getContentResolver(),
name, value);
}
@VisibleForTesting
public void showToastMessage() {
Resources r = mContext.getResources();
final CharSequence text = r.getString(Resources.getSystem().getIdentifier(
"bluetooth_airplane_mode_toast", "string", "android"));
Toast.makeText(mContext, text, Toast.LENGTH_LONG).show();
}
private boolean isA2dpConnected() {
final BluetoothA2dp a2dp = mA2dp;
if (a2dp == null) {
return false;
}
return a2dp.getConnectedDevices().size() > 0;
}
private boolean isHearingAidConnected() {
final BluetoothHearingAid hearingAid = mHearingAid;
if (hearingAid == null) {
return false;
}
return hearingAid.getConnectedDevices().size() > 0;
}
private boolean isLeAudioConnected() {
final BluetoothLeAudio leAudio = mLeAudio;
if (leAudio == null) {
return false;
}
return leAudio.getConnectedDevices().size() > 0;
}
}
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