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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 "nsAbMDBCard.h"
nsAbMDBCard::nsAbMDBCard(void)
{
}
nsAbMDBCard::~nsAbMDBCard(void)
{
}
NS_IMPL_ISUPPORTS_INHERITED0(nsAbMDBCard, nsAbCardProperty)
NS_IMETHODIMP nsAbMDBCard::Equals(nsIAbCard *card, bool *result)
{
NS_ENSURE_ARG_POINTER(card);
NS_ENSURE_ARG_POINTER(result);
if (this == card) {
*result = true;
return NS_OK;
}
// If we have the same directory, we will equal the other card merely given
// the row IDs. If not, we are never equal. But we are dumb in that we don't
// know who our directory is, which may change in the future. For now,
// however, the only known users of this method are for locating us in a list
// of cards, most commonly mailing lists; a warning on the IDL has also
// notified consumers that this method is not generally safe to use. In this
// respect, it is safe to assume that the directory portion is satisfied when
// making this call.
// However, if we make the wrong assumption, one of two things will happen.
// If the other directory is a local address book, we could return a spurious
// true result. If not, then DbRowID should be unset and we can definitively
// return false.
uint32_t row;
nsresult rv = card->GetPropertyAsUint32("DbRowID", &row);
if (NS_FAILED(rv))
{
*result = false;
return NS_OK;
}
uint32_t ourRow;
rv = GetPropertyAsUint32("DbRowID", &ourRow);
NS_ENSURE_SUCCESS(rv, rv);
*result = (row == ourRow);
return NS_OK;
}
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