1 files changed, 70 insertions, 0 deletions
diff --git a/chromium/device/nfc/nfc_tag_chromeos.h b/chromium/device/nfc/nfc_tag_chromeos.h
new file mode 100644
index 00000000000..5e4a723eeda
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+++ b/chromium/device/nfc/nfc_tag_chromeos.h
@@ -0,0 +1,70 @@
+// Copyright 2014 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_TAG_CHROMEOS_H_
+#define DEVICE_NFC_NFC_TAG_CHROMEOS_H_
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/observer_list.h"
+#include "chromeos/dbus/nfc_tag_client.h"
+#include "dbus/object_path.h"
+#include "device/nfc/nfc_tag.h"
+
+namespace chromeos {
+
+class NfcNdefTagTechnologyChromeOS;
+
+// The NfcTagChromeOS class implements device::NfcTag for the Chrome OS
+// platform.
+class NfcTagChromeOS : public device::NfcTag,
+                       public NfcTagClient::Observer {
+ public:
+  // device::NfcTag overrides.
+  virtual void AddObserver(device::NfcTag::Observer* observer) OVERRIDE;
+  virtual void RemoveObserver(device::NfcTag::Observer* observer) OVERRIDE;
+  virtual std::string GetIdentifier() const OVERRIDE;
+  virtual TagType GetType() const OVERRIDE;
+  virtual bool IsReadOnly() const OVERRIDE;
+  virtual device::NfcTag::Protocol GetSupportedProtocol() const OVERRIDE;
+  virtual device::NfcTagTechnology::TechnologyTypeMask
+      GetSupportedTechnologies() const OVERRIDE;
+  virtual bool IsReady() const OVERRIDE;
+  virtual device::NfcNdefTagTechnology* GetNdefTagTechnology() OVERRIDE;
+
+  // NfcTagClient::Observer overrides.
+  virtual void TagPropertyChanged(const dbus::ObjectPath& object_path,
+                                  const std::string& property_name) OVERRIDE;
+  virtual void TagPropertiesReceived(
+      const dbus::ObjectPath& object_path) OVERRIDE;
+
+  // Object path representing the remote tag object.
+  const dbus::ObjectPath& object_path() const { return object_path_; }
+
+ private:
+  friend class NfcAdapterChromeOS;
+
+  explicit NfcTagChromeOS(const dbus::ObjectPath& object_path);
+  virtual ~NfcTagChromeOS();
+
+  // Object path of the tag that we are currently tracking.
+  dbus::ObjectPath object_path_;
+
+  // Stores whether or not the initial set of properties have been received.
+  bool is_ready_;
+
+  // The NfcNdefTagTechnology instance that allows users to perform NDEF
+  // read and write on this tag.
+  scoped_ptr<NfcNdefTagTechnologyChromeOS> ndef_technology_;
+
+  // List of observers interested in event notifications from us.
+  ObserverList<device::NfcTag::Observer> observers_;
+
+  DISALLOW_COPY_AND_ASSIGN(NfcTagChromeOS);
+};
+
+}  // namespace chromeos
+
+#endif  // DEVICE_NFC_NFC_TAG_CHROMEOS_H_