gecko/dom/nfc/nsINfcContentHelper.idl

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

interface nsIVariant;
interface nsIDOMWindow;

[scriptable, uuid(9b43bdda-52f4-4712-b28c-ad7cba736e14)]
interface nsINfcTagEvent : nsISupports
{
  readonly attribute nsIVariant techList;

  // one of NFCTagType defined in MozNFCTag.webidl.
  readonly attribute DOMString tagType;

  readonly attribute long maxNDEFSize;

  readonly attribute boolean isReadOnly;

  readonly attribute boolean isFormatable;
};

[scriptable, uuid(fcbd98d6-3d04-4657-bd64-1164e311b399)]
interface nsINfcEventListener : nsISupports
{
  /**
   * Callback function used to notify tagfound.
   *
   * @param sessionToken
   *        SessionToken received from parent process
   * @param event
   *        nsINfcTagFoundEvent received from parent process.
   * @param ndefRecords
   *        NDEF records pre-read during tag-discovered.
   */
  void notifyTagFound(in DOMString sessionToken,
                      in nsINfcTagEvent event,
                      in nsIVariant ndefRecords);

  /**
   * Callback function used to notify taglost.
   *
   * @param sessionToken
   *        SessionToken received from parent process
   */
  void notifyTagLost(in DOMString sessionToken);

  /**
   * Callback function used to notify peerfound/peerready.
   * @param sessionToken
   *        SessionToken received from parent process
   * @param isPeerReady
   *        Set to true to dispatch peerready instead of peerfound
   */
  void notifyPeerFound(in DOMString sessionToken, [optional] in boolean isPeerReady);

  /**
   * Callback function used to notify peerlost.
   *
   * @param sessionToken
   *        SessionToken received from parent process
   */
  void notifyPeerLost(in DOMString sessionToken);

  /**
   * Callback function used to notify RF state change.
   *
   * @param rfState
   *        RF state received from parent process
   */
  void notifyRFStateChange(in DOMString rfState);
};

[scriptable, uuid(a8ef3590-d853-4766-b54a-a4547da4dde4)]
interface nsINfcRequestCallback : nsISupports
{
  DOMString getCallbackId();

  void notifySuccess();

  void notifySuccessWithBoolean(in boolean result);

  void notifySuccessWithNDEFRecords(in nsIVariant records);

  void notifyError(in DOMString errorMsg);
};

[scriptable, uuid(c5fdf956-735e-45d3-aa25-3a871bd3e2f8)]
interface nsINfcContentHelper : nsISupports
{
  void init(in nsIDOMWindow window);

  /**
   * Read current NDEF data on the tag.
   *
   * @param sessionToken
   *        Current token
   *
   * @param callback
   *        Called when request is finished
   */
  void readNDEF(in DOMString sessionToken,
                in nsINfcRequestCallback callback);

  /**
   * Write NDEF data to a peer device or a tag.
   *
   * @param records
   *        NDEF records to be written
   *
   * @param sessionToken
   *        Current token
   *
   * @param callback
   *        Called when request is finished
   */
  void writeNDEF(in nsIVariant records,
                 in DOMString sessionToken,
                 in nsINfcRequestCallback callback);

  /**
   * Make a tag read-only
   *
   * @param sessionToken
   *        Current token
   *
   * @param callback
   *        Called when request is finished
   */
  void makeReadOnly(in DOMString sessionToken,
                    in nsINfcRequestCallback callback);

  /**
   * Format a tag as NDEF
   *
   * @param sessionToken
   *        Current token
   *
   * @param callback
   *        Called when request is finished
   */
  void format(in DOMString sessionToken,
              in nsINfcRequestCallback callback);

  /**
   * Enable I/O operations to the tag
   *
   * @param techType
   *        Interface to a technology in a Tag
   *
   * @param sessionToken
   *        Current token
   *
   * @param callback
   *        Called when request is finished
   */
  void connect(in unsigned long techType,
               in DOMString sessionToken,
               in nsINfcRequestCallback callback);

  /**
   * Disable I/O operations to the tag
   *
   * @param sessionToken
   *        Current token
   *
   * @param callback
   *        Called when request is finished
   */
  void close(in DOMString sessionToken,
             in nsINfcRequestCallback callback);

  /**
   * Get current RF state.
   */
  DOMString queryRFState();

  /**
   * Initiate send file operation.
   *
   * @param blob
   *        Raw data of the file to be sent. This object represents a file-like
   *        (nsIDOMFile) object of immutable, raw data. The blob data needs
   *        to be 'object wrapped' before calling this interface.
   *
   * @param sessionToken
   *        Current token
   *
   * @param callback
   *        Called when request is finished
   */
  void sendFile(in jsval blob,
                in DOMString sessionToken,
                in nsINfcRequestCallback callback);

  /**
   * Add the event listener.
   *
   * @param listener
   *        An instance of the nsINfcEventListener.
   */
  void addEventListener(in nsINfcEventListener listener);

  /**
   * Register the given application id with parent process
   *
   * @param appId
   *        Application ID to be registered
   */
  void registerTargetForPeerReady(in unsigned long appId);

  /**
   * Unregister the given application id with parent process
   *
   * @param appId
   *        Application ID to be registered
   */
  void unregisterTargetForPeerReady(in unsigned long appId);

  /**
   * Checks if the given application's id is a registered peer target (with the parent process)
   *
   * @param appId
   *        Application ID to be updated with parent process
   *
   * @param callback
   *        Called when request is finished
   */
  void checkP2PRegistration(in unsigned long appId,
                            in nsINfcRequestCallback callback);

  /**
   * Notify the parent process that user has accepted to share nfc message on P2P UI
   *
   * @param appId
   *        Application ID that is capable of handling NFC_EVENT_PEER_READY event
   */
  void notifyUserAcceptedP2P(in unsigned long appId);

  /**
   * Notify the status of sendFile operation to parent process
   *
   * @param status
   *        Status of sendFile operation
   *
   * @param requestId
   *        Request ID of SendFile DOM Request
   */
  void notifySendFileStatus(in octet status,
                            in DOMString requestId);

  /**
   * Change RF state.
   *
   * @param rfState. Possible values are 'idle', 'listen' and 'discovery'.
   *
   * @param callback
   *        Called when request is finished
   */
  void changeRFState(in DOMString rfState,
                     in nsINfcRequestCallback callback);
};