src/chromeos/dbus/fake_bluetooth_adapter_client.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromeos/dbus/fake_bluetooth_adapter_client.h"
   6
   7 #include "base/bind.h"
   8 #include "base/logging.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "base/time/time.h"
  11 #include "chromeos/dbus/dbus_thread_manager.h"
  12 #include "chromeos/dbus/fake_bluetooth_device_client.h"
  13 #include "dbus/object_path.h"
  14 #include "third_party/cros_system_api/dbus/service_constants.h"
  15
  16 namespace chromeos {
  17
  18 namespace {
  19
  20 // Default interval for delayed tasks.
  21 const int kSimulationIntervalMs = 750;
  22
  23 }  // namespace
  24
  25 const char FakeBluetoothAdapterClient::kAdapterPath[] =
  26     "/fake/hci0";
  27 const char FakeBluetoothAdapterClient::kAdapterName[] =
  28     "Fake Adapter";
  29 const char FakeBluetoothAdapterClient::kAdapterAddress[] =
  30     "01:1A:2B:1A:2B:03";
  31
  32 const char FakeBluetoothAdapterClient::kSecondAdapterPath[] =
  33     "/fake/hci1";
  34 const char FakeBluetoothAdapterClient::kSecondAdapterName[] =
  35     "Second Fake Adapter";
  36 const char FakeBluetoothAdapterClient::kSecondAdapterAddress[] =
  37     "00:DE:51:10:01:00";
  38
  39 FakeBluetoothAdapterClient::Properties::Properties(
  40     const PropertyChangedCallback& callback)
  41     : BluetoothAdapterClient::Properties(
  42         NULL,
  43         bluetooth_adapter::kBluetoothAdapterInterface,
  44         callback) {
  45 }
  46
  47 FakeBluetoothAdapterClient::Properties::~Properties() {
  48 }
  49
  50 void FakeBluetoothAdapterClient::Properties::Get(
  51     dbus::PropertyBase* property,
  52     dbus::PropertySet::GetCallback callback) {
  53   VLOG(1) << "Get " << property->name();
  54   callback.Run(false);
  55 }
  56
  57 void FakeBluetoothAdapterClient::Properties::GetAll() {
  58   VLOG(1) << "GetAll";
  59 }
  60
  61 void FakeBluetoothAdapterClient::Properties::Set(
  62     dbus::PropertyBase *property,
  63     dbus::PropertySet::SetCallback callback) {
  64   VLOG(1) << "Set " << property->name();
  65   if (property->name() == powered.name() ||
  66       property->name() == alias.name() ||
  67       property->name() == discoverable.name() ||
  68       property->name() == discoverable_timeout.name()) {
  69     callback.Run(true);
  70     property->ReplaceValueWithSetValue();
  71   } else {
  72     callback.Run(false);
  73   }
  74 }
  75
  76 FakeBluetoothAdapterClient::FakeBluetoothAdapterClient()
  77     : visible_(true),
  78       second_visible_(false),
  79       discovering_count_(0),
  80       simulation_interval_ms_(kSimulationIntervalMs) {
  81   properties_.reset(new Properties(base::Bind(
  82       &FakeBluetoothAdapterClient::OnPropertyChanged, base::Unretained(this))));
  83
  84   properties_->address.ReplaceValue(kAdapterAddress);
  85   properties_->name.ReplaceValue("Fake Adapter (Name)");
  86   properties_->alias.ReplaceValue(kAdapterName);
  87   properties_->pairable.ReplaceValue(true);
  88
  89   second_properties_.reset(new Properties(base::Bind(
  90       &FakeBluetoothAdapterClient::OnPropertyChanged, base::Unretained(this))));
  91
  92   second_properties_->address.ReplaceValue(kSecondAdapterAddress);
  93   second_properties_->name.ReplaceValue("Second Fake Adapter (Name)");
  94   second_properties_->alias.ReplaceValue(kSecondAdapterName);
  95   second_properties_->pairable.ReplaceValue(true);
  96 }
  97
  98 FakeBluetoothAdapterClient::~FakeBluetoothAdapterClient() {
  99 }
 100
 101 void FakeBluetoothAdapterClient::Init(dbus::Bus* bus) {
 102 }
 103
 104 void FakeBluetoothAdapterClient::AddObserver(Observer* observer) {
 105   observers_.AddObserver(observer);
 106 }
 107
 108 void FakeBluetoothAdapterClient::RemoveObserver(Observer* observer) {
 109   observers_.RemoveObserver(observer);
 110 }
 111
 112 std::vector<dbus::ObjectPath> FakeBluetoothAdapterClient::GetAdapters() {
 113   std::vector<dbus::ObjectPath> object_paths;
 114   if (visible_)
 115     object_paths.push_back(dbus::ObjectPath(kAdapterPath));
 116   if (second_visible_)
 117     object_paths.push_back(dbus::ObjectPath(kSecondAdapterPath));
 118   return object_paths;
 119 }
 120
 121 FakeBluetoothAdapterClient::Properties*
 122 FakeBluetoothAdapterClient::GetProperties(const dbus::ObjectPath& object_path) {
 123   if (object_path == dbus::ObjectPath(kAdapterPath))
 124     return properties_.get();
 125   else if (object_path == dbus::ObjectPath(kSecondAdapterPath))
 126     return second_properties_.get();
 127   else
 128     return NULL;
 129 }
 130
 131 void FakeBluetoothAdapterClient::StartDiscovery(
 132     const dbus::ObjectPath& object_path,
 133     const base::Closure& callback,
 134     const ErrorCallback& error_callback) {
 135   if (object_path != dbus::ObjectPath(kAdapterPath)) {
 136     PostDelayedTask(base::Bind(error_callback, kNoResponseError, ""));
 137     return;
 138   }
 139
 140   ++discovering_count_;
 141   VLOG(1) << "StartDiscovery: " << object_path.value() << ", "
 142           << "count is now " << discovering_count_;
 143   PostDelayedTask(callback);
 144
 145   if (discovering_count_ == 1) {
 146     properties_->discovering.ReplaceValue(true);
 147
 148     FakeBluetoothDeviceClient* device_client =
 149         static_cast<FakeBluetoothDeviceClient*>(
 150             DBusThreadManager::Get()->GetBluetoothDeviceClient());
 151     device_client->BeginDiscoverySimulation(dbus::ObjectPath(kAdapterPath));
 152   }
 153 }
 154
 155 void FakeBluetoothAdapterClient::StopDiscovery(
 156     const dbus::ObjectPath& object_path,
 157     const base::Closure& callback,
 158     const ErrorCallback& error_callback) {
 159   if (object_path != dbus::ObjectPath(kAdapterPath)) {
 160     PostDelayedTask(base::Bind(error_callback, kNoResponseError, ""));
 161     return;
 162   }
 163
 164   if (!discovering_count_) {
 165     LOG(WARNING) << "StopDiscovery called when not discovering";
 166     PostDelayedTask(base::Bind(error_callback, kNoResponseError, ""));
 167     return;
 168   }
 169
 170   --discovering_count_;
 171   VLOG(1) << "StopDiscovery: " << object_path.value() << ", "
 172           << "count is now " << discovering_count_;
 173   PostDelayedTask(callback);
 174
 175   if (discovering_count_ == 0) {
 176     FakeBluetoothDeviceClient* device_client =
 177         static_cast<FakeBluetoothDeviceClient*>(
 178             DBusThreadManager::Get()->GetBluetoothDeviceClient());
 179     device_client->EndDiscoverySimulation(dbus::ObjectPath(kAdapterPath));
 180
 181     if (simulation_interval_ms_ > 100) {
 182       device_client->BeginIncomingPairingSimulation(
 183           dbus::ObjectPath(kAdapterPath));
 184     }
 185
 186     properties_->discovering.ReplaceValue(false);
 187   }
 188 }
 189
 190 void FakeBluetoothAdapterClient::RemoveDevice(
 191     const dbus::ObjectPath& object_path,
 192     const dbus::ObjectPath& device_path,
 193     const base::Closure& callback,
 194     const ErrorCallback& error_callback) {
 195   if (object_path != dbus::ObjectPath(kAdapterPath)) {
 196     error_callback.Run(kNoResponseError, "");
 197     return;
 198   }
 199
 200   VLOG(1) << "RemoveDevice: " << object_path.value()
 201           << " " << device_path.value();
 202   callback.Run();
 203
 204   FakeBluetoothDeviceClient* device_client =
 205       static_cast<FakeBluetoothDeviceClient*>(
 206           DBusThreadManager::Get()->GetBluetoothDeviceClient());
 207   device_client->RemoveDevice(dbus::ObjectPath(kAdapterPath), device_path);
 208 }
 209
 210 void FakeBluetoothAdapterClient::SetSimulationIntervalMs(int interval_ms) {
 211   simulation_interval_ms_ = interval_ms;
 212 }
 213
 214 void FakeBluetoothAdapterClient::SetVisible(
 215     bool visible) {
 216   if (visible && !visible_) {
 217     // Adapter becoming visible
 218     visible_ = visible;
 219
 220     FOR_EACH_OBSERVER(BluetoothAdapterClient::Observer, observers_,
 221                       AdapterAdded(dbus::ObjectPath(kAdapterPath)));
 222
 223   } else if (visible_ && !visible) {
 224     // Adapter becoming invisible
 225     visible_ = visible;
 226
 227     FOR_EACH_OBSERVER(BluetoothAdapterClient::Observer, observers_,
 228                       AdapterRemoved(dbus::ObjectPath(kAdapterPath)));
 229   }
 230 }
 231
 232 void FakeBluetoothAdapterClient::SetSecondVisible(
 233     bool visible) {
 234   if (visible && !second_visible_) {
 235     // Second adapter becoming visible
 236     second_visible_ = visible;
 237
 238     FOR_EACH_OBSERVER(BluetoothAdapterClient::Observer, observers_,
 239                       AdapterAdded(dbus::ObjectPath(kSecondAdapterPath)));
 240
 241   } else if (second_visible_ && !visible) {
 242     // Second adapter becoming invisible
 243     second_visible_ = visible;
 244
 245     FOR_EACH_OBSERVER(BluetoothAdapterClient::Observer, observers_,
 246                       AdapterRemoved(dbus::ObjectPath(kSecondAdapterPath)));
 247   }
 248 }
 249
 250 void FakeBluetoothAdapterClient::OnPropertyChanged(
 251     const std::string& property_name) {
 252   if (property_name == properties_->powered.name() &&
 253       !properties_->powered.value()) {
 254     VLOG(1) << "Adapter powered off";
 255
 256     if (discovering_count_) {
 257       discovering_count_ = 0;
 258       properties_->discovering.ReplaceValue(false);
 259     }
 260   }
 261
 262   FOR_EACH_OBSERVER(BluetoothAdapterClient::Observer, observers_,
 263                     AdapterPropertyChanged(dbus::ObjectPath(kAdapterPath),
 264                                            property_name));
 265 }
 266
 267 void FakeBluetoothAdapterClient::PostDelayedTask(
 268     const base::Closure& callback) {
 269   base::MessageLoop::current()->PostDelayedTask(
 270       FROM_HERE, callback,
 271       base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
 272 }
 273
 274 }  // namespace chromeos