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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_device_client.h"
#include <map>
#include "base/bind.h"
#include "base/logging.h"
#include "base/stl_util.h"
#include "chrome/browser/chromeos/dbus/bluetooth_adapter_client.h"
#include "chrome/browser/chromeos/system/runtime_environment.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_path.h"
#include "dbus/object_proxy.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
// The BluetoothDeviceClient implementation used in production.
class BluetoothDeviceClientImpl: public BluetoothDeviceClient,
private BluetoothAdapterClient::Observer {
public:
BluetoothDeviceClientImpl(dbus::Bus* bus,
BluetoothAdapterClient* adapter_client)
: weak_ptr_factory_(this),
bus_(bus) {
VLOG(1) << "Creating BluetoothDeviceClientImpl";
DCHECK(adapter_client);
adapter_client->AddObserver(this);
}
virtual ~BluetoothDeviceClientImpl() {
}
// BluetoothDeviceClient override.
virtual void AddObserver(BluetoothDeviceClient::Observer* observer)
OVERRIDE {
VLOG(1) << "AddObserver";
DCHECK(observer);
observers_.AddObserver(observer);
}
// BluetoothDeviceClient override.
virtual void RemoveObserver(BluetoothDeviceClient::Observer* observer)
OVERRIDE {
VLOG(1) << "RemoveObserver";
DCHECK(observer);
observers_.RemoveObserver(observer);
}
private:
// BluetoothAdapterClient::Observer override.
virtual void DeviceCreated(const dbus::ObjectPath& adapter_path,
const dbus::ObjectPath& object_path) OVERRIDE {
VLOG(1) << "DeviceCreated: " << object_path.value();
}
// BluetoothAdapterClient::Observer override.
virtual void DeviceRemoved(const dbus::ObjectPath& adapter_path,
const dbus::ObjectPath& object_path) OVERRIDE {
VLOG(1) << "DeviceRemoved: " << object_path.value();
RemoveObjectProxyForPath(object_path);
}
// Ensures that we have a dbus object proxy for a device with dbus
// object path |object_path|, and if not, creates it stores it in
// our |proxy_map_| map.
dbus::ObjectProxy* GetObjectProxyForPath(
const dbus::ObjectPath& object_path) {
VLOG(1) << "GetObjectProxyForPath: " << object_path.value();
ProxyMap::iterator it = proxy_map_.find(object_path);
if (it != proxy_map_.end())
return it->second;
DCHECK(bus_);
dbus::ObjectProxy* device_proxy = bus_->GetObjectProxy(
bluetooth_device::kBluetoothDeviceServiceName, object_path);
proxy_map_[object_path] = device_proxy;
return device_proxy;
}
// Removes the dbus object proxy for the device with dbus object path
// |object_path| from our |proxy_map_| map.
void RemoveObjectProxyForPath(const dbus::ObjectPath& object_path) {
VLOG(1) << "RemoveObjectProxyForPath: " << object_path.value();
proxy_map_.erase(object_path);
}
// Weak pointer factory for generating 'this' pointers that might live longer
// than we do.
base::WeakPtrFactory<BluetoothDeviceClientImpl> weak_ptr_factory_;
dbus::Bus* bus_;
// We maintain a collection of dbus object proxies, one for each device.
typedef std::map<const dbus::ObjectPath, dbus::ObjectProxy*> ProxyMap;
ProxyMap proxy_map_;
// List of observers interested in event notifications from us.
ObserverList<BluetoothDeviceClient::Observer> observers_;
DISALLOW_COPY_AND_ASSIGN(BluetoothDeviceClientImpl);
};
// The BluetoothDeviceClient implementation used on Linux desktop, which does
// nothing.
class BluetoothDeviceClientStubImpl : public BluetoothDeviceClient {
public:
// BluetoothDeviceClient override.
virtual void AddObserver(Observer* observer) OVERRIDE {
VLOG(1) << "AddObserver";
}
// BluetoothDeviceClient override.
virtual void RemoveObserver(Observer* observer) OVERRIDE {
VLOG(1) << "RemoveObserver";
}
};
BluetoothDeviceClient::BluetoothDeviceClient() {
}
BluetoothDeviceClient::~BluetoothDeviceClient() {
}
BluetoothDeviceClient* BluetoothDeviceClient::Create(
dbus::Bus* bus,
BluetoothAdapterClient* adapter_client) {
if (system::runtime_environment::IsRunningOnChromeOS()) {
return new BluetoothDeviceClientImpl(bus, adapter_client);
} else {
return new BluetoothDeviceClientStubImpl();
}
}
} // namespace chromeos
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