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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.
#ifndef CHROMEOS_DBUS_BLUETOOTH_NODE_CLIENT_H_
#define CHROMEOS_DBUS_BLUETOOTH_NODE_CLIENT_H_
#include <string>
#include "base/callback.h"
#include "base/observer_list.h"
#include "base/values.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/dbus/bluetooth_property.h"
#include "chromeos/dbus/dbus_client_implementation_type.h"
#include "dbus/object_path.h"
namespace dbus {
class Bus;
} // namespace dbus
namespace chromeos {
class BluetoothDeviceClient;
// BluetoothNodeClient is used to represent persistent device nodes
// bound to bluetooth devices, such as RFCOMM TTY bindings to ttyX devices
// in Linux.
class CHROMEOS_EXPORT BluetoothNodeClient {
public:
// Structure of properties associated with persistent device nodes.
struct Properties : public BluetoothPropertySet {
// The name of the device node under /dev. Read-only.
dbus::Property<std::string> name;
// Object path of the device the node binding belongs to. Read-only.
dbus::Property<dbus::ObjectPath> device;
Properties(dbus::ObjectProxy* object_proxy,
const PropertyChangedCallback& callback);
virtual ~Properties();
};
// Interface for observing changes from a persistent device node binding.
class Observer {
public:
virtual ~Observer() {}
// Called when the node binding with object path |object_path| has a
// change in value of the property named |property_name|.
virtual void NodePropertyChanged(const dbus::ObjectPath& object_path,
const std::string& property_name) {}
};
virtual ~BluetoothNodeClient();
// Adds and removes observers for events on all persistent device node
// bindings. Check the |object_path| parameter of observer methods to
// determine which device node binding is issuing the event.
virtual void AddObserver(Observer* observer) = 0;
virtual void RemoveObserver(Observer* observer) = 0;
// Obtain the properties for the node binding with object path |object_path|,
// any values should be copied if needed.
virtual Properties* GetProperties(const dbus::ObjectPath& object_path) = 0;
// Creates the instance.
static BluetoothNodeClient* Create(DBusClientImplementationType type,
dbus::Bus* bus,
BluetoothDeviceClient* device_client);
protected:
BluetoothNodeClient();
private:
DISALLOW_COPY_AND_ASSIGN(BluetoothNodeClient);
};
} // namespace chromeos
#endif // CHROMEOS_DBUS_BLUETOOTH_NODE_CLIENT_H_
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