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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsIAbItem.idl"

interface nsIAbCard;
interface nsISimpleEnumerator;

/**
 * A collection of address book items.
 */
[scriptable, uuid(70f6123f-e06b-4101-9750-4ce73b38134b)]
interface nsIAbCollection : nsIAbItem {
  
  /**
   * Returns true if this collection is read-only.
   */
  readonly attribute boolean readOnly;

  /**
   * Returns true if this collection is accessed over a network connection.
   */
  readonly attribute boolean isRemote;

  /**
   * Returns true if this collection is accessed over a secure connection.
   *
   * If isRemote returns false, then this value MUST be false as well.
   */
  readonly attribute boolean isSecure;

  /** 
   * Returns an address book card for the specified email address if found.
   *
   * If there are multiple cards with the given email address, this method will
   * return one of these cards in an implementation-defined manner.
   *
   * Matching is performed in a case-insensitive manner.
   *
   * This method performs a synchronous operation. If the collection cannot do
   * the search in such a manner, then it should throw NS_ERROR_NOT_IMPLEMENTED.
   *
   * @param  emailAddress The email address to find in any of the email address
   *                      fields. If emailAddress is empty, the database won't
   *                      be searched and the function will return as if no card
   *                      was found.
   * @return              An nsIAbCard if one was found, else returns NULL.
   * @exception NS_ERROR_NOT_IMPLEMENTED If the collection cannot do this.
   */
  nsIAbCard cardForEmailAddress(in AUTF8String emailAddress);

  /**
   * Returns an address book card for the specified property if found.
   *
   * If there are multiple cards with the given value for the property, this
   * method will return one of these cards in an implementation-defined manner.
   *
   * This method performs a synchronous operation. If the collection cannot do
   * the search in such a manner, then it should throw NS_ERROR_NOT_IMPLEMENTED.
   *
   * If the property is not natively a string, it can still be searched for
   * using the string-encoded value of the property, e.g. "0". See
   * nsIAbCard::getPropertyAsAUTF8String for more information. Empty values will
   * return no match, to prevent spurious results.
   *
   * @param  aProperty      The property to look for.
   * @param  aValue         The value to search for.
   * @param  aCaseSensitive True if matching should be done case-sensitively.
   * @result                An nsIAbCard if one was found, else returns NULL.
   * @exception NS_ERROR_NOT_IMPLEMENTED If the collection cannot do this.
   */
  nsIAbCard getCardFromProperty(in string aProperty, in AUTF8String aValue,
                                in boolean aCaseSensitive);

  /**
   * Returns all address book cards with a specific property matching value
   *
   * This function is almost identical to getCardFromProperty, with the
   * exception of returning all cards rather than just the first.
   *
   * @param  aProperty      The property to look for.
   * @param  aValue         The value to search for.
   * @param  aCaseSensitive True if matching should be done case-sensitively.
   * @result                A nsISimpleEnumerator that holds nsIAbCard
   *                        instances.
   */
  nsISimpleEnumerator getCardsFromProperty(in string aProperty,
                                           in AUTF8String aValue,
                                           in boolean aCaseSensitive);
};