1/*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include "VirtualLocation.h"
17
18#include <chrono>
19#include <cmath>
20#include <cstdlib>
21
22#include "PreviewerEngineLog.h"
23#include "SharedData.h"
24#include "SharedDataManager.h"
25
26VirtualLocation& VirtualLocation::GetInstance()
27{
28    static VirtualLocation stance;
29    return stance;
30}
31
32const int8_t* VirtualLocation::GetMockPointer() const
33{
34    return mockPointer;
35}
36
37uint32_t VirtualLocation::GetMockLen() const
38{
39    return mockLen;
40}
41
42void VirtualLocation::SetCallBack(LocDataUpdateCallback func)
43{
44    callBack = func;
45}
46
47void VirtualLocation::SetSubscribe(bool value)
48{
49    isSubsribe = value;
50}
51
52bool VirtualLocation::IsSubscribe() const
53{
54    return isSubsribe;
55}
56
57LocDataUpdateCallback VirtualLocation::GetCallBack() const
58{
59    return callBack;
60}
61
62void VirtualLocation::ExecCallBack() const
63{
64    if (callBack != nullptr && isSubsribe) {
65        callBack(mockPointer, mockLen);
66    }
67}
68
69VirtualLocation::VirtualLocation()
70    : isSubsribe(false),
71      longitudeChecked(0),
72      latitudeChecked(0),
73      accuracy(0),
74      mockPointer(nullptr),
75      mockLen(1),
76      callBack(nullptr)
77{
78    accuracy = LOCATION_ACCURACY;
79    InitMockPointer();
80}
81
82VirtualLocation::~VirtualLocation()
83{
84    if (mockPointer != nullptr) {
85        delete mockPointer;
86        mockPointer = nullptr;
87    }
88}
89
90void VirtualLocation::InitMockPointer()
91{
92    mockPointer = new(std::nothrow) int8_t;
93    if (mockPointer == nullptr) {
94        ELOG("Memory allocation failed: mockPointer.");
95    }
96}
97
98uint64_t VirtualLocation::GetTime() const
99{
100    time_t curTime = time(nullptr);
101    if (curTime < 0) {
102        return 0;
103    }
104    return static_cast<uint64_t>(curTime);
105}
106
107float VirtualLocation::GetAccuracy() const
108{
109    return accuracy;
110}
111
112bool VirtualLocation::IsPostionChanged()
113{
114    double longitude = SharedData<double>::GetData(SharedDataType::LONGITUDE);
115    double latitude = SharedData<double>::GetData(SharedDataType::LATITUDE);
116    if (std::abs(longitude - longitudeChecked) < pow(PRECISION_BASE_NUMBER, -SharedDataManager::POSITIONPRECISION) &&
117        std::abs(latitude - latitudeChecked) < pow(PRECISION_BASE_NUMBER, -SharedDataManager::POSITIONPRECISION)) {
118        return false;
119    }
120    longitudeChecked = longitude;
121    latitudeChecked = latitude;
122    return true;
123}
124