1 files changed, 350 insertions, 0 deletions
diff --git a/device/bluetooth/dbus/bluetooth_adapter_client.cc b/device/bluetooth/dbus/bluetooth_adapter_client.cc
new file mode 100644
index 0000000..26081ea
--- /dev/null
+++ b/device/bluetooth/dbus/bluetooth_adapter_client.cc
@@ -0,0 +1,350 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "device/bluetooth/dbus/bluetooth_adapter_client.h"
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "dbus/bus.h"
+#include "dbus/message.h"
+#include "dbus/object_manager.h"
+#include "dbus/object_proxy.h"
+#include "third_party/cros_system_api/dbus/service_constants.h"
+
+namespace bluez {
+
+BluetoothAdapterClient::DiscoveryFilter::DiscoveryFilter() {}
+
+BluetoothAdapterClient::DiscoveryFilter::~DiscoveryFilter() {}
+
+void BluetoothAdapterClient::DiscoveryFilter::CopyFrom(
+    const DiscoveryFilter& filter) {
+  if (filter.rssi.get())
+    rssi.reset(new int16_t(*filter.rssi));
+  else
+    rssi.reset();
+
+  if (filter.pathloss.get())
+    pathloss.reset(new uint16_t(*filter.pathloss));
+  else
+    pathloss.reset();
+
+  if (filter.transport.get())
+    transport.reset(new std::string(*filter.transport));
+  else
+    transport.reset();
+
+  if (filter.uuids.get())
+    uuids.reset(new std::vector<std::string>(*filter.uuids));
+  else
+    uuids.reset();
+}
+
+const char BluetoothAdapterClient::kNoResponseError[] =
+    "org.chromium.Error.NoResponse";
+const char BluetoothAdapterClient::kUnknownAdapterError[] =
+    "org.chromium.Error.UnknownAdapter";
+
+BluetoothAdapterClient::Properties::Properties(
+    dbus::ObjectProxy* object_proxy,
+    const std::string& interface_name,
+    const PropertyChangedCallback& callback)
+    : dbus::PropertySet(object_proxy, interface_name, callback) {
+  RegisterProperty(bluetooth_adapter::kAddressProperty, &address);
+  RegisterProperty(bluetooth_adapter::kNameProperty, &name);
+  RegisterProperty(bluetooth_adapter::kAliasProperty, &alias);
+  RegisterProperty(bluetooth_adapter::kClassProperty, &bluetooth_class);
+  RegisterProperty(bluetooth_adapter::kPoweredProperty, &powered);
+  RegisterProperty(bluetooth_adapter::kDiscoverableProperty, &discoverable);
+  RegisterProperty(bluetooth_adapter::kPairableProperty, &pairable);
+  RegisterProperty(bluetooth_adapter::kPairableTimeoutProperty,
+                   &pairable_timeout);
+  RegisterProperty(bluetooth_adapter::kDiscoverableTimeoutProperty,
+                   &discoverable_timeout);
+  RegisterProperty(bluetooth_adapter::kDiscoveringProperty, &discovering);
+  RegisterProperty(bluetooth_adapter::kUUIDsProperty, &uuids);
+  RegisterProperty(bluetooth_adapter::kModaliasProperty, &modalias);
+}
+
+BluetoothAdapterClient::Properties::~Properties() {}
+
+// The BluetoothAdapterClient implementation used in production.
+class BluetoothAdapterClientImpl : public BluetoothAdapterClient,
+                                   public dbus::ObjectManager::Interface {
+ public:
+  BluetoothAdapterClientImpl()
+      : object_manager_(NULL), weak_ptr_factory_(this) {}
+
+  ~BluetoothAdapterClientImpl() override {
+    object_manager_->UnregisterInterface(
+        bluetooth_adapter::kBluetoothAdapterInterface);
+  }
+
+  // BluetoothAdapterClient override.
+  void AddObserver(BluetoothAdapterClient::Observer* observer) override {
+    DCHECK(observer);
+    observers_.AddObserver(observer);
+  }
+
+  // BluetoothAdapterClient override.
+  void RemoveObserver(BluetoothAdapterClient::Observer* observer) override {
+    DCHECK(observer);
+    observers_.RemoveObserver(observer);
+  }
+
+  // Returns the list of adapter object paths known to the system.
+  std::vector<dbus::ObjectPath> GetAdapters() override {
+    return object_manager_->GetObjectsWithInterface(
+        bluetooth_adapter::kBluetoothAdapterInterface);
+  }
+
+  // dbus::ObjectManager::Interface override.
+  dbus::PropertySet* CreateProperties(
+      dbus::ObjectProxy* object_proxy,
+      const dbus::ObjectPath& object_path,
+      const std::string& interface_name) override {
+    Properties* properties = new Properties(
+        object_proxy, interface_name,
+        base::Bind(&BluetoothAdapterClientImpl::OnPropertyChanged,
+                   weak_ptr_factory_.GetWeakPtr(), object_path));
+    return static_cast<dbus::PropertySet*>(properties);
+  }
+
+  // BluetoothAdapterClient override.
+  Properties* GetProperties(const dbus::ObjectPath& object_path) override {
+    return static_cast<Properties*>(object_manager_->GetProperties(
+        object_path, bluetooth_adapter::kBluetoothAdapterInterface));
+  }
+
+  // BluetoothAdapterClient override.
+  void StartDiscovery(const dbus::ObjectPath& object_path,
+                      const base::Closure& callback,
+                      const ErrorCallback& error_callback) override {
+    dbus::MethodCall method_call(bluetooth_adapter::kBluetoothAdapterInterface,
+                                 bluetooth_adapter::kStartDiscovery);
+
+    dbus::ObjectProxy* object_proxy =
+        object_manager_->GetObjectProxy(object_path);
+    if (!object_proxy) {
+      error_callback.Run(kUnknownAdapterError, "");
+      return;
+    }
+
+    object_proxy->CallMethodWithErrorCallback(
+        &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+        base::Bind(&BluetoothAdapterClientImpl::OnSuccess,
+                   weak_ptr_factory_.GetWeakPtr(), callback),
+        base::Bind(&BluetoothAdapterClientImpl::OnError,
+                   weak_ptr_factory_.GetWeakPtr(), error_callback));
+  }
+
+  // BluetoothAdapterClient override.
+  void StopDiscovery(const dbus::ObjectPath& object_path,
+                     const base::Closure& callback,
+                     const ErrorCallback& error_callback) override {
+    dbus::MethodCall method_call(bluetooth_adapter::kBluetoothAdapterInterface,
+                                 bluetooth_adapter::kStopDiscovery);
+
+    dbus::ObjectProxy* object_proxy =
+        object_manager_->GetObjectProxy(object_path);
+    if (!object_proxy) {
+      error_callback.Run(kUnknownAdapterError, "");
+      return;
+    }
+
+    object_proxy->CallMethodWithErrorCallback(
+        &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+        base::Bind(&BluetoothAdapterClientImpl::OnSuccess,
+                   weak_ptr_factory_.GetWeakPtr(), callback),
+        base::Bind(&BluetoothAdapterClientImpl::OnError,
+                   weak_ptr_factory_.GetWeakPtr(), error_callback));
+  }
+
+  // BluetoothAdapterClient override.
+  void RemoveDevice(const dbus::ObjectPath& object_path,
+                    const dbus::ObjectPath& device_path,
+                    const base::Closure& callback,
+                    const ErrorCallback& error_callback) override {
+    dbus::MethodCall method_call(bluetooth_adapter::kBluetoothAdapterInterface,
+                                 bluetooth_adapter::kRemoveDevice);
+
+    dbus::MessageWriter writer(&method_call);
+    writer.AppendObjectPath(device_path);
+
+    dbus::ObjectProxy* object_proxy =
+        object_manager_->GetObjectProxy(object_path);
+    if (!object_proxy) {
+      error_callback.Run(kUnknownAdapterError, "");
+      return;
+    }
+
+    object_proxy->CallMethodWithErrorCallback(
+        &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+        base::Bind(&BluetoothAdapterClientImpl::OnSuccess,
+                   weak_ptr_factory_.GetWeakPtr(), callback),
+        base::Bind(&BluetoothAdapterClientImpl::OnError,
+                   weak_ptr_factory_.GetWeakPtr(), error_callback));
+  }
+
+  // BluetoothAdapterClient override.
+  void SetDiscoveryFilter(const dbus::ObjectPath& object_path,
+                          const DiscoveryFilter& discovery_filter,
+                          const base::Closure& callback,
+                          const ErrorCallback& error_callback) override {
+    dbus::MethodCall method_call(bluetooth_adapter::kBluetoothAdapterInterface,
+                                 bluetooth_adapter::kSetDiscoveryFilter);
+
+    dbus::MessageWriter writer(&method_call);
+    dbus::MessageWriter dict_writer(nullptr);
+
+    dbus::ObjectProxy* object_proxy =
+        object_manager_->GetObjectProxy(object_path);
+    if (!object_proxy) {
+      error_callback.Run(kUnknownAdapterError, "");
+      return;
+    }
+
+    writer.OpenArray("{sv}", &dict_writer);
+
+    if (discovery_filter.uuids.get()) {
+      std::vector<std::string>* uuids = discovery_filter.uuids.get();
+      dbus::MessageWriter uuids_entry_writer(nullptr);
+      dict_writer.OpenDictEntry(&uuids_entry_writer);
+      uuids_entry_writer.AppendString(
+          bluetooth_adapter::kDiscoveryFilterParameterUUIDs);
+
+      dbus::MessageWriter uuids_array_variant(nullptr);
+      uuids_entry_writer.OpenVariant("as", &uuids_array_variant);
+      dbus::MessageWriter uuids_array(nullptr);
+      uuids_array_variant.OpenArray("s", &uuids_array);
+
+      for (auto& it : *uuids)
+        uuids_array.AppendString(it);
+
+      uuids_array_variant.CloseContainer(&uuids_array);
+      uuids_entry_writer.CloseContainer(&uuids_array_variant);
+      dict_writer.CloseContainer(&uuids_entry_writer);
+    }
+
+    if (discovery_filter.rssi.get()) {
+      dbus::MessageWriter rssi_entry_writer(nullptr);
+      dict_writer.OpenDictEntry(&rssi_entry_writer);
+      rssi_entry_writer.AppendString(
+          bluetooth_adapter::kDiscoveryFilterParameterRSSI);
+      rssi_entry_writer.AppendVariantOfInt16(*discovery_filter.rssi.get());
+      dict_writer.CloseContainer(&rssi_entry_writer);
+    }
+
+    if (discovery_filter.pathloss.get()) {
+      dbus::MessageWriter pathloss_entry_writer(nullptr);
+      dict_writer.OpenDictEntry(&pathloss_entry_writer);
+      pathloss_entry_writer.AppendString(
+          bluetooth_adapter::kDiscoveryFilterParameterPathloss);
+      pathloss_entry_writer.AppendVariantOfUint16(
+          *discovery_filter.pathloss.get());
+      dict_writer.CloseContainer(&pathloss_entry_writer);
+    }
+
+    if (discovery_filter.transport.get()) {
+      dbus::MessageWriter transport_entry_writer(nullptr);
+      dict_writer.OpenDictEntry(&transport_entry_writer);
+      transport_entry_writer.AppendString(
+          bluetooth_adapter::kDiscoveryFilterParameterTransport);
+      transport_entry_writer.AppendVariantOfString(
+          *discovery_filter.transport.get());
+      dict_writer.CloseContainer(&transport_entry_writer);
+    }
+
+    writer.CloseContainer(&dict_writer);
+
+    object_proxy->CallMethodWithErrorCallback(
+        &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+        base::Bind(&BluetoothAdapterClientImpl::OnSuccess,
+                   weak_ptr_factory_.GetWeakPtr(), callback),
+        base::Bind(&BluetoothAdapterClientImpl::OnError,
+                   weak_ptr_factory_.GetWeakPtr(), error_callback));
+  }
+
+ protected:
+  void Init(dbus::Bus* bus) override {
+    object_manager_ = bus->GetObjectManager(
+        bluetooth_object_manager::kBluetoothObjectManagerServiceName,
+        dbus::ObjectPath(
+            bluetooth_object_manager::kBluetoothObjectManagerServicePath));
+    object_manager_->RegisterInterface(
+        bluetooth_adapter::kBluetoothAdapterInterface, this);
+  }
+
+ private:
+  // Called by dbus::ObjectManager when an object with the adapter interface
+  // is created. Informs observers.
+  void ObjectAdded(const dbus::ObjectPath& object_path,
+                   const std::string& interface_name) override {
+    FOR_EACH_OBSERVER(BluetoothAdapterClient::Observer, observers_,
+                      AdapterAdded(object_path));
+  }
+
+  // Called by dbus::ObjectManager when an object with the adapter interface
+  // is removed. Informs observers.
+  void ObjectRemoved(const dbus::ObjectPath& object_path,
+                     const std::string& interface_name) override {
+    FOR_EACH_OBSERVER(BluetoothAdapterClient::Observer, observers_,
+                      AdapterRemoved(object_path));
+  }
+
+  // Called by dbus::PropertySet when a property value is changed,
+  // either by result of a signal or response to a GetAll() or Get()
+  // call. Informs observers.
+  void OnPropertyChanged(const dbus::ObjectPath& object_path,
+                         const std::string& property_name) {
+    FOR_EACH_OBSERVER(BluetoothAdapterClient::Observer, observers_,
+                      AdapterPropertyChanged(object_path, property_name));
+  }
+
+  // Called when a response for successful method call is received.
+  void OnSuccess(const base::Closure& callback, dbus::Response* response) {
+    DCHECK(response);
+    callback.Run();
+  }
+
+  // Called when a response for a failed method call is received.
+  void OnError(const ErrorCallback& error_callback,
+               dbus::ErrorResponse* response) {
+    // Error response has optional error message argument.
+    std::string error_name;
+    std::string error_message;
+    if (response) {
+      dbus::MessageReader reader(response);
+      error_name = response->GetErrorName();
+      reader.PopString(&error_message);
+    } else {
+      error_name = kNoResponseError;
+      error_message = "";
+    }
+    error_callback.Run(error_name, error_message);
+  }
+
+  dbus::ObjectManager* object_manager_;
+
+  // List of observers interested in event notifications from us.
+  base::ObserverList<BluetoothAdapterClient::Observer> observers_;
+
+  // Weak pointer factory for generating 'this' pointers that might live longer
+  // than we do.
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<BluetoothAdapterClientImpl> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterClientImpl);
+};
+
+BluetoothAdapterClient::BluetoothAdapterClient() {}
+
+BluetoothAdapterClient::~BluetoothAdapterClient() {}
+
+BluetoothAdapterClient* BluetoothAdapterClient::Create() {
+  return new BluetoothAdapterClientImpl;
+}
+
+}  // namespace bluez