/*
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* Copyright (C) 2014 The Android Open Source Project
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* Copyright (C) 2015 Joe Rogers
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.blakequ.bluetooth_manager_lib.scan.bluetoothcompat;
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import android.annotation.TargetApi;
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import android.bluetooth.BluetoothDevice;
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import android.bluetooth.le.ScanResult;
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import android.os.Build;
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import android.os.Parcel;
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import android.os.Parcelable;
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import androidx.annotation.Nullable;
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import com.blakequ.bluetooth_manager_lib.device.BluetoothLeDevice;
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/**
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* Backwards compatible version of a ScanResult
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*/
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public class ScanResultCompat implements Parcelable {
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// Remote bluetooth device.
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private BluetoothLeDevice mDevice;
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// Scan record, including advertising data and scan response data.
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@Nullable
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private ScanRecordCompat mScanRecord;
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// Received signal strength.
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private int mRssi;
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// Device timestamp when the result was last seen.
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private long mTimestampNanos;
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/**
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* Constructor of scan result.
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*
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* @param device Remote bluetooth device that is found.
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* @param scanRecord Scan record including both advertising data and scan response data.
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* @param rssi Received signal strength.
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* @param timestampNanos Device timestamp when the scan result was observed.
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*/
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public ScanResultCompat(BluetoothDevice device, @Nullable ScanRecordCompat scanRecord, int rssi,
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long timestampNanos) {
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mDevice = new BluetoothLeDevice(device, rssi, scanRecord.getBytes(), timestampNanos);
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mScanRecord = scanRecord;
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mRssi = rssi;
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mTimestampNanos = timestampNanos;
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}
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@TargetApi(Build.VERSION_CODES.LOLLIPOP)
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ScanResultCompat(ScanResult result) {
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mDevice = new BluetoothLeDevice(result.getDevice(), result.getRssi(), result.getScanRecord().getBytes(), System.currentTimeMillis());//result.getTimestampNanos()
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mScanRecord = new ScanRecordCompat(result.getScanRecord());
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mRssi = result.getRssi();
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mTimestampNanos = System.currentTimeMillis();//result.getTimestampNanos();
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}
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private ScanResultCompat(Parcel in) {
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readFromParcel(in);
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}
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@Override
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public void writeToParcel(Parcel dest, int flags) {
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if (mDevice != null) {
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dest.writeInt(1);
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mDevice.writeToParcel(dest, flags);
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}
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else {
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dest.writeInt(0);
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}
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if (mScanRecord != null) {
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dest.writeInt(1);
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dest.writeByteArray(mScanRecord.getBytes());
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}
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else {
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dest.writeInt(0);
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}
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dest.writeInt(mRssi);
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dest.writeLong(mTimestampNanos);
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}
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private void readFromParcel(Parcel in) {
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if (in.readInt() == 1) {
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mDevice = BluetoothLeDevice.CREATOR.createFromParcel(in);
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}
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if (in.readInt() == 1) {
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mScanRecord = ScanRecordCompat.parseFromBytes(in.createByteArray());
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}
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mRssi = in.readInt();
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mTimestampNanos = in.readLong();
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}
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@Override
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public int describeContents() {
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return 0;
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}
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/**
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* Returns the remote bluetooth device identified by the bluetooth device address.
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*/
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public BluetoothLeDevice getLeDevice() {
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return mDevice;
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}
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/**
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* Returns the remote bluetooth device identified by the bluetooth device address.
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* @return
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*/
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public BluetoothDevice getDevice() {
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if (mDevice != null){
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return mDevice.getDevice();
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}
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return null;
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}
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/**
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* Returns the scan record, which is a combination of advertisement and scan response.
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*/
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@Nullable
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public ScanRecordCompat getScanRecord() {
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return mScanRecord;
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}
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/**
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* Returns the received signal strength in dBm. The valid range is [-127, 127].
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*/
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public int getRssi() {
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return mRssi;
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}
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/**
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* Returns timestamp since boot when the scan record was observed.
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*/
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public long getTimestampNanos() {
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return mTimestampNanos;
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}
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@Override
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public int hashCode() {
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return ObjectsCompat.hash(mDevice, mRssi, mScanRecord, mTimestampNanos);
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (obj == null || getClass() != obj.getClass()) {
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return false;
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}
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ScanResultCompat other = (ScanResultCompat) obj;
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return ObjectsCompat.equals(mDevice, other.mDevice) && (mRssi == other.mRssi) &&
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ObjectsCompat.equals(mScanRecord, other.mScanRecord)
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&& (mTimestampNanos == other.mTimestampNanos);
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}
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@Override
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public String toString() {
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return "ScanResult{" + "mDevice=" + mDevice + ", mScanRecord="
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+ ObjectsCompat.toString(mScanRecord) + ", mRssi=" + mRssi + ", mTimestampNanos="
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+ mTimestampNanos + '}';
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}
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public static final Creator<ScanResultCompat> CREATOR = new Creator<ScanResultCompat>() {
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@Override
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public ScanResultCompat createFromParcel(Parcel source) {
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return new ScanResultCompat(source);
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}
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@Override
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public ScanResultCompat[] newArray(int size) {
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return new ScanResultCompat[size];
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}
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};
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}
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