File: bluetooth_adapter_win.cc

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (344 lines) | stat: -rw-r--r-- 11,746 bytes parent folder | download | duplicates (3)
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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
// Copyright 2012 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/bluetooth_adapter_win.h"

#include <memory>
#include <string>
#include <utility>

#include "base/check.h"
#include "base/containers/contains.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/memory/ptr_util.h"
#include "base/notimplemented.h"
#include "base/notreached.h"
#include "base/stl_util.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/single_thread_task_runner.h"
#include "device/base/features.h"
#include "device/bluetooth/bluetooth_adapter_winrt.h"
#include "device/bluetooth/bluetooth_classic_win.h"
#include "device/bluetooth/bluetooth_device_win.h"
#include "device/bluetooth/bluetooth_discovery_session_outcome.h"
#include "device/bluetooth/bluetooth_socket_thread.h"
#include "device/bluetooth/bluetooth_socket_win.h"
#include "device/bluetooth/bluetooth_task_manager_win.h"
#include "device/bluetooth/public/cpp/bluetooth_address.h"
#include "device/bluetooth/public/cpp/bluetooth_uuid.h"

namespace device {

// static
scoped_refptr<BluetoothAdapter> BluetoothAdapter::CreateAdapter() {
  return BluetoothAdapterWin::CreateAdapter();
}

// static
scoped_refptr<BluetoothAdapter> BluetoothAdapterWin::CreateAdapter() {
  return base::WrapRefCounted(new BluetoothAdapterWinrt());
}

// static
scoped_refptr<BluetoothAdapter> BluetoothAdapterWin::CreateClassicAdapter() {
  return base::WrapRefCounted(new BluetoothAdapterWin());
}

BluetoothAdapterWin::BluetoothAdapterWin() = default;

BluetoothAdapterWin::~BluetoothAdapterWin() {
  if (task_manager_.get())
    task_manager_->RemoveObserver(this);
}

std::string BluetoothAdapterWin::GetAddress() const {
  return address_;
}

std::string BluetoothAdapterWin::GetName() const {
  return name_;
}

void BluetoothAdapterWin::SetName(const std::string& name,
                                  base::OnceClosure callback,
                                  ErrorCallback error_callback) {
  NOTIMPLEMENTED();
}

// TODO(youngki): Return true when |task_manager_| initializes the adapter
// state.
bool BluetoothAdapterWin::IsInitialized() const {
  return initialized_;
}

bool BluetoothAdapterWin::IsPresent() const {
  return !address_.empty();
}

bool BluetoothAdapterWin::IsPowered() const {
  return powered_;
}

void BluetoothAdapterWin::SetPowered(bool powered,
                                     base::OnceClosure callback,
                                     ErrorCallback error_callback) {
  task_manager_->PostSetPoweredBluetoothTask(powered, std::move(callback),
                                             std::move(error_callback));
}

bool BluetoothAdapterWin::IsDiscoverable() const {
  NOTIMPLEMENTED();
  return false;
}

void BluetoothAdapterWin::SetDiscoverable(bool discoverable,
                                          base::OnceClosure callback,
                                          ErrorCallback error_callback) {
  NOTIMPLEMENTED();
}

bool BluetoothAdapterWin::IsDiscovering() const {
  return discovery_status_ == DISCOVERING ||
      discovery_status_ == DISCOVERY_STOPPING;
}

void BluetoothAdapterWin::DiscoveryStarted(bool success) {
  discovery_status_ = success ? DISCOVERING : NOT_DISCOVERING;
  std::move(discovery_changed_callback_)
      .Run(/*is_error=*/!success, UMABluetoothDiscoverySessionOutcome::UNKNOWN);

  if (success) {
    for (auto& observer : observers_)
      observer.AdapterDiscoveringChanged(this, true);
  }
}

void BluetoothAdapterWin::DiscoveryStopped() {
  discovered_devices_.clear();
  bool was_discovering = IsDiscovering();
  discovery_status_ = NOT_DISCOVERING;
  std::move(discovery_changed_callback_)
      .Run(/*is_error=*/false, UMABluetoothDiscoverySessionOutcome::SUCCESS);
  if (was_discovering)
    for (auto& observer : observers_)
      observer.AdapterDiscoveringChanged(this, false);
}

BluetoothAdapter::UUIDList BluetoothAdapterWin::GetUUIDs() const {
  NOTIMPLEMENTED();
  return UUIDList();
}

void BluetoothAdapterWin::CreateRfcommService(
    const BluetoothUUID& uuid,
    const ServiceOptions& options,
    CreateServiceCallback callback,
    CreateServiceErrorCallback error_callback) {
  scoped_refptr<BluetoothSocketWin> socket =
      BluetoothSocketWin::CreateBluetoothSocket(
          ui_task_runner_, socket_thread_);
  socket->Listen(this, uuid, options,
                 base::BindOnce(std::move(callback), socket),
                 std::move(error_callback));
}

void BluetoothAdapterWin::CreateL2capService(
    const BluetoothUUID& uuid,
    const ServiceOptions& options,
    CreateServiceCallback callback,
    CreateServiceErrorCallback error_callback) {
  // TODO(keybuk): implement.
  NOTIMPLEMENTED();
}

void BluetoothAdapterWin::RegisterAdvertisement(
    std::unique_ptr<BluetoothAdvertisement::Data> advertisement_data,
    CreateAdvertisementCallback callback,
    AdvertisementErrorCallback error_callback) {
  NOTIMPLEMENTED();
  std::move(error_callback)
      .Run(BluetoothAdvertisement::ERROR_UNSUPPORTED_PLATFORM);
}

BluetoothLocalGattService* BluetoothAdapterWin::GetGattService(
    const std::string& identifier) const {
  return nullptr;
}

void BluetoothAdapterWin::RemovePairingDelegateInternal(
    BluetoothDevice::PairingDelegate* pairing_delegate) {
}

void BluetoothAdapterWin::AdapterStateChanged(
    const BluetoothTaskManagerWin::AdapterState& state) {
  DCHECK(thread_checker_.CalledOnValidThread());
  name_ = state.name;
  bool was_present = IsPresent();
  bool is_present = !state.address.empty();
  address_ = CanonicalizeBluetoothAddress(state.address);
  if (was_present != is_present) {
    for (auto& observer : observers_)
      observer.AdapterPresentChanged(this, is_present);
  }
  if (powered_ != state.powered) {
    powered_ = state.powered;
    for (auto& observer : observers_)
      observer.AdapterPoweredChanged(this, powered_);
  }
  if (!initialized_) {
    initialized_ = true;
    std::move(init_callback_).Run();
  }

  // When the Bluetooth adapter is powered off or not present, all Bluetooth
  // devices should be removed.
  if (!powered_ || !is_present) {
    ClearAllDevices();
  }
}

void BluetoothAdapterWin::DevicesPolled(
    const std::vector<std::unique_ptr<BluetoothTaskManagerWin::DeviceState>>&
        devices) {
  DCHECK(thread_checker_.CalledOnValidThread());

  // We are receiving a new list of all devices known to the system. Merge this
  // new list with the list we know of (|devices_|) and raise corresponding
  // DeviceAdded, DeviceRemoved and DeviceChanged events.

  using DeviceAddressSet = std::set<std::string>;
  DeviceAddressSet known_devices;
  for (const auto& device : devices_)
    known_devices.insert(device.first);

  DeviceAddressSet new_devices;
  for (const auto& device_state : devices)
    new_devices.insert(device_state->address);

  // Process device removal first.
  DeviceAddressSet removed_devices =
      base::STLSetDifference<DeviceAddressSet>(known_devices, new_devices);
  for (const auto& device : removed_devices) {
    auto it = devices_.find(device);
    std::unique_ptr<BluetoothDevice> device_win = std::move(it->second);
    devices_.erase(it);
    for (auto& observer : observers_)
      observer.DeviceRemoved(this, device_win.get());
  }

  // Process added and (maybe) changed devices in one pass.
  DeviceAddressSet added_devices =
      base::STLSetDifference<DeviceAddressSet>(new_devices, known_devices);
  DeviceAddressSet changed_devices =
      base::STLSetIntersection<DeviceAddressSet>(known_devices, new_devices);
  for (const auto& device_state : devices) {
    if (base::Contains(added_devices, device_state->address)) {
      auto device_win = std::make_unique<BluetoothDeviceWin>(
          this, *device_state, ui_task_runner_, socket_thread_);
      BluetoothDeviceWin* device_win_raw = device_win.get();
      devices_[device_state->address] = std::move(device_win);
      for (auto& observer : observers_)
        observer.DeviceAdded(this, device_win_raw);
    } else if (base::Contains(changed_devices, device_state->address)) {
      auto iter = devices_.find(device_state->address);
      CHECK(iter != devices_.end());
      BluetoothDeviceWin* device_win =
          static_cast<BluetoothDeviceWin*>(iter->second.get());
      if (!device_win->IsEqual(*device_state)) {
        device_win->Update(*device_state);
        for (auto& observer : observers_)
          observer.DeviceChanged(this, device_win);
      }
      // Above IsEqual returns true if device name, address, status and services
      // (primary services of BLE device) are the same. However, in BLE tests,
      // we may simulate characteristic, descriptor and secondary GATT service
      // after device has been initialized.
      if (force_update_device_for_test_) {
        device_win->Update(*device_state);
      }
    }
  }
}

base::WeakPtr<BluetoothAdapter> BluetoothAdapterWin::GetWeakPtr() {
  return weak_ptr_factory_.GetWeakPtr();
}

// BluetoothAdapterWin should override SetPowered() instead.
bool BluetoothAdapterWin::SetPoweredImpl(bool powered) {
  NOTREACHED();
}

void BluetoothAdapterWin::UpdateFilter(
    std::unique_ptr<BluetoothDiscoveryFilter> discovery_filter,
    DiscoverySessionResultCallback callback) {
  DCHECK(discovery_status_ == DISCOVERING ||
         discovery_status_ == DISCOVERY_STARTING);
  if (discovery_status_ == DISCOVERING) {
    std::move(callback).Run(false,
                            UMABluetoothDiscoverySessionOutcome::SUCCESS);
    return;
  }
}

void BluetoothAdapterWin::StartScanWithFilter(
    std::unique_ptr<BluetoothDiscoveryFilter> discovery_filter,
    DiscoverySessionResultCallback callback) {
  discovery_changed_callback_ = std::move(callback);
  MaybePostStartDiscoveryTask();
}

void BluetoothAdapterWin::StopScan(DiscoverySessionResultCallback callback) {
  if (discovery_status_ == NOT_DISCOVERING) {
    std::move(callback).Run(/*is_error=*/true,
                            UMABluetoothDiscoverySessionOutcome::NOT_ACTIVE);
    return;
  }
  discovery_changed_callback_ = std::move(callback);
  MaybePostStopDiscoveryTask();
}

void BluetoothAdapterWin::Initialize(base::OnceClosure init_callback) {
  init_callback_ = std::move(init_callback);
  ui_task_runner_ = base::SingleThreadTaskRunner::GetCurrentDefault();
  socket_thread_ = BluetoothSocketThread::Get();
  task_manager_ =
      base::MakeRefCounted<BluetoothTaskManagerWin>(ui_task_runner_);
  task_manager_->AddObserver(this);
  task_manager_->Initialize();
}

void BluetoothAdapterWin::InitForTest(
    base::OnceClosure init_callback,
    std::unique_ptr<win::BluetoothClassicWrapper> classic_wrapper,
    scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
    scoped_refptr<base::SequencedTaskRunner> bluetooth_task_runner) {
  init_callback_ = std::move(init_callback);
  ui_task_runner_ = ui_task_runner;
  if (!ui_task_runner_)
    ui_task_runner_ = base::SingleThreadTaskRunner::GetCurrentDefault();
  task_manager_ = BluetoothTaskManagerWin::CreateForTesting(
      std::move(classic_wrapper), ui_task_runner_);
  task_manager_->AddObserver(this);
  task_manager_->InitializeWithBluetoothTaskRunner(bluetooth_task_runner);
}

void BluetoothAdapterWin::MaybePostStartDiscoveryTask() {
  if (discovery_status_ == NOT_DISCOVERING) {
    discovery_status_ = DISCOVERY_STARTING;
    task_manager_->PostStartDiscoveryTask();
  }
}

void BluetoothAdapterWin::MaybePostStopDiscoveryTask() {
  if (discovery_status_ != DISCOVERING)
    return;

  discovery_status_ = DISCOVERY_STOPPING;
  task_manager_->PostStopDiscoveryTask();
}

}  // namespace device