storage/src/mozStorageResultSet.cpp
author Edward Lee <edward.lee@engineering.uiuc.edu>
Mon, 10 Nov 2008 10:04:36 -0600
changeset 21558 b77d8bd7903b2eb6072c52684814071be89e6e0e
parent 15802 b8df7471a2e2f6de5c96523f223b36db46ef7500
child 27270 3fe0af99bdbe10c1593a0303eea92af28b2853ae
permissions -rw-r--r--
Bug 463661 - Create a pref to control the location bar search sources (history, bookmark, both, none). r=dietrich, a1.9.1b2=beltzner Bug 463535 - Continuing search immediately after changing prefs give wrong results

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
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 * Contributor(s):
 *   Shawn Wilsher <me@shawnwilsher.com> (Original Author)
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#include "mozStorageRow.h"
#include "mozStorageResultSet.h"

////////////////////////////////////////////////////////////////////////////////
//// mozStorageResultSet

/**
 * Note:  This object is only ever accessed on one thread at a time.  It it not
 *        threadsafe, but it does need threadsafe AddRef and Release.
 */
NS_IMPL_THREADSAFE_ISUPPORTS1(mozStorageResultSet, mozIStorageResultSet)

mozStorageResultSet::mozStorageResultSet() :
    mCurrentIndex(0)
{
}

mozStorageResultSet::~mozStorageResultSet()
{
  mData.Clear();
}

nsresult
mozStorageResultSet::add(mozIStorageRow *aRow)
{
  return mData.AppendObject(aRow) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}

////////////////////////////////////////////////////////////////////////////////
//// mozIStorageResultSet

NS_IMETHODIMP
mozStorageResultSet::GetNextRow(mozIStorageRow **_row)
{
  if (mCurrentIndex >= mData.Count()) {
    // Just return null here
    return NS_OK;
  }

  NS_ADDREF(*_row = mData.ObjectAt(mCurrentIndex++));
  return NS_OK;
}