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// 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.
#ifndef DEVICE_NFC_NFC_PEER_CHROMEOS_H_
#define DEVICE_NFC_NFC_PEER_CHROMEOS_H_
#include <map>
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "chromeos/dbus/nfc_record_client.h"
#include "dbus/object_path.h"
#include "device/nfc/nfc_ndef_record.h"
#include "device/nfc/nfc_peer.h"
namespace chromeos {
// The NfcPeerChromeOS class implements NfcPeer for the Chrome OS platform.
class NfcPeerChromeOS : public device::NfcPeer,
public NfcRecordClient::Observer {
public:
// NfcPeer overrides.
void AddObserver(device::NfcPeer::Observer* observer) override;
void RemoveObserver(device::NfcPeer::Observer* observer) override;
std::string GetIdentifier() const override;
const device::NfcNdefMessage& GetNdefMessage() const override;
void PushNdef(const device::NfcNdefMessage& message,
const base::Closure& callback,
const ErrorCallback& error_callback) override;
void StartHandover(HandoverType handover_type,
const base::Closure& callback,
const ErrorCallback& error_callback) override;
private:
friend class NfcAdapterChromeOS;
// Mapping from D-Bus object paths to NfcNdefRecord objects.
typedef std::map<dbus::ObjectPath, device::NfcNdefRecord*> NdefRecordMap;
explicit NfcPeerChromeOS(const dbus::ObjectPath& object_path);
~NfcPeerChromeOS() override;
// NfcRecordClient::Observer overrides.
void RecordAdded(const dbus::ObjectPath& object_path) override;
void RecordRemoved(const dbus::ObjectPath& object_path) override;
void RecordPropertiesReceived(const dbus::ObjectPath& object_path) override;
// Called by dbus:: on completion of the D-Bus method call to push an NDEF.
void OnPushNdef(const base::Closure& callback);
void OnPushNdefError(const ErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message);
// Creates a record object for the record with object path |object_path| and
// notifies the observers, if a record object did not already exist for it.
void AddRecord(const dbus::ObjectPath& object_path);
// Object path of the peer that we are currently tracking.
dbus::ObjectPath object_path_;
// A map containing the NDEF records that were received from the peer.
NdefRecordMap records_;
// Message instance that contains pointers to all created records.
device::NfcNdefMessage message_;
// List of observers interested in event notifications from us.
ObserverList<device::NfcPeer::Observer> observers_;
// 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<NfcPeerChromeOS> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(NfcPeerChromeOS);
};
} // namespace chromeos
#endif // DEVICE_NFC_NFC_PEER_CHROMEOS_H_