1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "device/bluetooth/floss/floss_battery_manager_client.h"
namespace floss {
// Template specializations for dbus parsing
template <>
bool FlossDBusClient::ReadDBusParam(dbus::MessageReader* reader,
Battery* battery) {
static FlossDBusClient::StructReader<Battery> struct_reader(
{{"percentage", CreateFieldReader(&Battery::percentage)},
{"variant", CreateFieldReader(&Battery::variant)}});
return struct_reader.ReadDBusParam(reader, battery);
}
template <>
const DBusTypeInfo& GetDBusTypeInfo(const Battery*) {
static DBusTypeInfo info{"a{sv}", "Battery"};
return info;
}
template <>
void FlossDBusClient::WriteDBusParam(dbus::MessageWriter* writer,
const Battery& battery) {
dbus::MessageWriter array_writer(nullptr);
writer->OpenArray("{sv}", &array_writer);
WriteDictEntry(&array_writer, "percentage", battery.percentage);
WriteDictEntry(&array_writer, "variant", battery.variant);
writer->CloseContainer(&array_writer);
}
template <>
bool FlossDBusClient::ReadDBusParam(dbus::MessageReader* reader,
BatterySet* battery_set) {
static FlossDBusClient::StructReader<BatterySet> struct_reader(
{{"address", CreateFieldReader(&BatterySet::address)},
{"source_uuid", CreateFieldReader(&BatterySet::source_uuid)},
{"source_info", CreateFieldReader(&BatterySet::source_info)},
{"batteries", CreateFieldReader(&BatterySet::batteries)}});
return struct_reader.ReadDBusParam(reader, battery_set);
}
template <>
const DBusTypeInfo& GetDBusTypeInfo(const BatterySet*) {
static DBusTypeInfo info{"a{sv}", "BatterySet"};
return info;
}
template <>
void FlossDBusClient::WriteDBusParam(dbus::MessageWriter* writer,
const BatterySet& battery_set) {
dbus::MessageWriter array_writer(nullptr);
writer->OpenArray("{sv}", &array_writer);
WriteDictEntry(&array_writer, "address", battery_set.address);
WriteDictEntry(&array_writer, "source_uuid", battery_set.source_uuid);
WriteDictEntry(&array_writer, "source_info", battery_set.source_info);
WriteDictEntry(&array_writer, "batteries", battery_set.batteries);
writer->CloseContainer(&array_writer);
}
Battery::Battery() = default;
Battery::~Battery() = default;
BatterySet::BatterySet() = default;
BatterySet::BatterySet(const BatterySet&) = default;
BatterySet::~BatterySet() = default;
const char FlossBatteryManagerClient::kExportedCallbacksPath[] =
"/org/chromium/bluetooth/battery_manager/callback";
void FlossBatteryManagerClient::AddObserver(
FlossBatteryManagerClient::FlossBatteryManagerClientObserver* observer) {
observers_.AddObserver(observer);
}
void FlossBatteryManagerClient::RemoveObserver(
FlossBatteryManagerClient::FlossBatteryManagerClientObserver* observer) {
observers_.RemoveObserver(observer);
}
std::unique_ptr<FlossBatteryManagerClient> FlossBatteryManagerClient::Create() {
return std::make_unique<FlossBatteryManagerClient>();
}
FlossBatteryManagerClient::FlossBatteryManagerClient() = default;
FlossBatteryManagerClient::~FlossBatteryManagerClient() {
if (battery_manager_callback_id_) {
CallBatteryManagerMethod<bool>(
base::BindOnce(&FlossBatteryManagerClient::BatteryCallbackUnregistered,
weak_ptr_factory_.GetWeakPtr()),
battery_manager::kUnregisterBatteryCallback,
battery_manager_callback_id_.value());
}
if (bus_) {
exported_callback_manager_.UnexportCallback(
dbus::ObjectPath(kExportedCallbacksPath));
}
}
void FlossBatteryManagerClient::GetBatteryInformation(
ResponseCallback<std::optional<BatterySet>> callback,
const FlossDeviceId& device) {
CallBatteryManagerMethod<std::optional<BatterySet>>(
std::move(callback), battery_manager::kGetBatteryInformation,
device.address);
}
void FlossBatteryManagerClient::Init(dbus::Bus* bus,
const std::string& service_name,
const int adapter_index,
base::Version version,
base::OnceClosure on_ready) {
bus_ = bus;
service_name_ = service_name;
battery_manager_adapter_path_ = GenerateBatteryManagerPath(adapter_index);
version_ = version;
dbus::ObjectProxy* object_proxy =
bus_->GetObjectProxy(service_name_, battery_manager_adapter_path_);
if (!object_proxy) {
LOG(ERROR)
<< "FlossBatteryManagerClient couldn't init. Object proxy was null.";
return;
}
exported_callback_manager_.Init(bus_.get());
exported_callback_manager_.AddMethod(
battery_manager::kOnBatteryInfoUpdated,
&FlossBatteryManagerClientObserver::BatteryInfoUpdated);
if (!exported_callback_manager_.ExportCallback(
dbus::ObjectPath(kExportedCallbacksPath),
weak_ptr_factory_.GetWeakPtr(),
base::BindOnce(&FlossBatteryManagerClient::OnMethodsExported,
weak_ptr_factory_.GetWeakPtr()))) {
LOG(ERROR)
<< "Unable to successfully export FlossBatteryManagerClientObserver.";
return;
}
on_ready_ = std::move(on_ready);
}
void FlossBatteryManagerClient::OnMethodsExported() {
CallBatteryManagerMethod<uint32_t>(
base::BindOnce(&FlossBatteryManagerClient::BatteryCallbackRegistered,
weak_ptr_factory_.GetWeakPtr()),
battery_manager::kRegisterBatteryCallback,
dbus::ObjectPath(kExportedCallbacksPath));
}
void FlossBatteryManagerClient::BatteryInfoUpdated(std::string remote_address,
BatterySet battery_set) {
for (auto& observer : observers_) {
observer.BatteryInfoUpdated(remote_address, battery_set);
}
}
void FlossBatteryManagerClient::BatteryCallbackRegistered(
DBusResult<uint32_t> result) {
if (!result.has_value()) {
LOG(ERROR) << "RegisterBatteryCallback call failed: " << result.error();
return;
}
battery_manager_callback_id_ = result.value();
CompleteInit();
}
void FlossBatteryManagerClient::BatteryCallbackUnregistered(
DBusResult<bool> result) {
if (!result.has_value() || *result == false) {
LOG(WARNING) << __func__ << ": Failed to unregister callback";
}
}
void FlossBatteryManagerClient::CompleteInit() {
if (on_ready_) {
std::move(on_ready_).Run();
}
}
} // namespace floss
|
