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// Copyright (c) 2012 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 "chrome/browser/chromeos/dbus/bluetooth_manager_client.h"
#include "base/bind.h"
#include "base/logging.h"
#include "chrome/browser/chromeos/system/runtime_environment.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_proxy.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
// The BluetoothManagerClient implementation used in production.
class BluetoothManagerClientImpl : public BluetoothManagerClient {
public:
explicit BluetoothManagerClientImpl(dbus::Bus* bus)
: weak_ptr_factory_(this),
bluetooth_manager_proxy_(NULL) {
VLOG(1) << "Creating BluetoothManagerClientImpl";
DCHECK(bus);
bluetooth_manager_proxy_ = bus->GetObjectProxy(
bluetooth_manager::kBluetoothManagerServiceName,
bluetooth_manager::kBluetoothManagerServicePath);
bluetooth_manager_proxy_->ConnectToSignal(
bluetooth_manager::kBluetoothManagerInterface,
bluetooth_manager::kAdapterAddedSignal,
base::Bind(&BluetoothManagerClientImpl::AdapterAddedReceived,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&BluetoothManagerClientImpl::AdapterAddedConnected,
weak_ptr_factory_.GetWeakPtr()));
bluetooth_manager_proxy_->ConnectToSignal(
bluetooth_manager::kBluetoothManagerInterface,
bluetooth_manager::kAdapterRemovedSignal,
base::Bind(&BluetoothManagerClientImpl::AdapterRemovedReceived,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&BluetoothManagerClientImpl::AdapterRemovedConnected,
weak_ptr_factory_.GetWeakPtr()));
bluetooth_manager_proxy_->ConnectToSignal(
bluetooth_manager::kBluetoothManagerInterface,
bluetooth_manager::kDefaultAdapterChangedSignal,
base::Bind(&BluetoothManagerClientImpl::DefaultAdapterChangedReceived,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&BluetoothManagerClientImpl::DefaultAdapterChangedConnected,
weak_ptr_factory_.GetWeakPtr()));
}
virtual ~BluetoothManagerClientImpl() {
}
// BluetoothManagerClient override.
virtual void AddObserver(Observer* observer) {
VLOG(1) << "AddObserver";
DCHECK(observer);
observers_.AddObserver(observer);
}
// BluetoothManagerClient override.
virtual void RemoveObserver(Observer* observer) {
VLOG(1) << "RemoveObserver";
DCHECK(observer);
observers_.RemoveObserver(observer);
}
// BluetoothManagerClient override.
virtual void DefaultAdapter(const DefaultAdapterCallback& callback) {
LOG(INFO) << "DefaultAdapter";
dbus::MethodCall method_call(
bluetooth_manager::kBluetoothManagerInterface,
bluetooth_manager::kDefaultAdapter);
DCHECK(bluetooth_manager_proxy_);
bluetooth_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&BluetoothManagerClientImpl::OnDefaultAdapter,
weak_ptr_factory_.GetWeakPtr(), callback));
}
private:
// Called by dbus:: when an AdapterAdded signal is received.
void AdapterAddedReceived(dbus::Signal* signal) {
DCHECK(signal);
dbus::MessageReader reader(signal);
std::string object_path;
if (!reader.PopObjectPath(&object_path)) {
LOG(ERROR) << "AdapterAdded signal has incorrect parameters: "
<< signal->ToString();
return;
}
VLOG(1) << "Adapter added: " << object_path;
FOR_EACH_OBSERVER(Observer, observers_, AdapterAdded(object_path));
}
// Called by dbus:: when the AdapterAdded signal is initially connected.
void AdapterAddedConnected(const std::string& interface_name,
const std::string& signal_name,
bool success) {
LOG_IF(WARNING, !success) << "Failed to connect to AdapterAdded signal.";
}
// Called by dbus:: when an AdapterRemoved signal is received.
void AdapterRemovedReceived(dbus::Signal* signal) {
DCHECK(signal);
dbus::MessageReader reader(signal);
std::string object_path;
if (!reader.PopObjectPath(&object_path)) {
LOG(ERROR) << "AdapterRemoved signal has incorrect parameters: "
<< signal->ToString();
return;
}
VLOG(1) << "Adapter removed: " << object_path;
FOR_EACH_OBSERVER(Observer, observers_, AdapterRemoved(object_path));
}
// Called by dbus:: when the AdapterRemoved signal is initially connected.
void AdapterRemovedConnected(const std::string& interface_name,
const std::string& signal_name,
bool success) {
LOG_IF(WARNING, !success) << "Failed to connect to AdapterRemoved signal.";
}
// Called by dbus:: when a DefaultAdapterChanged signal is received.
void DefaultAdapterChangedReceived(dbus::Signal* signal) {
DCHECK(signal);
dbus::MessageReader reader(signal);
std::string adapter;
if (!reader.PopObjectPath(&adapter)) {
LOG(ERROR) << "DefaultAdapterChanged signal has incorrect parameters: "
<< signal->ToString();
return;
}
VLOG(1) << "Default adapter changed: " << adapter;
FOR_EACH_OBSERVER(Observer, observers_, DefaultAdapterChanged(adapter));
}
// Called by dbus:: when the DefaultAdapterChanged signal is initially
// connected.
void DefaultAdapterChangedConnected(const std::string& interface_name,
const std::string& signal_name,
bool success) {
LOG_IF(WARNING, !success)
<< "Failed to connect to DefaultAdapterChanged signal.";
}
// Called when a response for DefaultAdapter() is received.
void OnDefaultAdapter(const DefaultAdapterCallback& callback,
dbus::Response* response) {
// Parse response.
bool success = false;
std::string adapter;
if (response != NULL) {
dbus::MessageReader reader(response);
if (!reader.PopObjectPath(&adapter)) {
LOG(ERROR) << "DefaultAdapter response has incorrect parameters: "
<< response->ToString();
} else {
success = true;
LOG(INFO) << "OnDefaultAdapter: " << adapter;
}
} else {
LOG(ERROR) << "Failed to get default adapter.";
}
// Notify client.
callback.Run(adapter, success);
}
// Weak pointer factory for generating 'this' pointers that might live longer
// than we do.
base::WeakPtrFactory<BluetoothManagerClientImpl> weak_ptr_factory_;
// D-Bus proxy for BlueZ Manager interface.
dbus::ObjectProxy* bluetooth_manager_proxy_;
// List of observers interested in event notifications from us.
ObserverList<Observer> observers_;
DISALLOW_COPY_AND_ASSIGN(BluetoothManagerClientImpl);
};
// The BluetoothManagerClient implementation used on Linux desktop, which does
// nothing.
class BluetoothManagerClientStubImpl : public BluetoothManagerClient {
public:
// BluetoothManagerClient override.
virtual void AddObserver(Observer* observer) {
}
// BluetoothManagerClient override.
virtual void RemoveObserver(Observer* observer) {
}
// BluetoothManagerClient override.
virtual void DefaultAdapter(const DefaultAdapterCallback& callback) {
VLOG(1) << "Requested default adapter.";
}
};
BluetoothManagerClient::BluetoothManagerClient() {
}
BluetoothManagerClient::~BluetoothManagerClient() {
}
BluetoothManagerClient* BluetoothManagerClient::Create(dbus::Bus* bus) {
if (system::runtime_environment::IsRunningOnChromeOS()) {
return new BluetoothManagerClientImpl(bus);
} else {
return new BluetoothManagerClientStubImpl();
}
}
} // namespace chromeos
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