/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * 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 the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is Mozilla Communicator client code, released
 * March 31, 1998.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 2001 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 *   Mike Shaver <shaver@mozilla.org>
 *
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU Public License (the "GPL"), in which case the
 * provisions of the GPL are applicable instead of those above.
 * If you wish to allow use of your version of this file only
 * under the terms of the GPL and not to allow others to use your
 * version of this file under the NPL, indicate your decision by
 * deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL.  If you do not delete
 * the provisions above, a recipient may use your version of this
 * file under either the NPL or the GPL.
 */

#include "nsISupports.h"
#include "nsString.h"
#include "xpctest_domstring.h"
#include "xpctest_private.h"

class xpcTestDOMString : public nsIXPCTestDOMString {
public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSIXPCTESTDOMSTRING
    xpcTestDOMString();
    virtual ~xpcTestDOMString();
private:
    const nsSharedBufferHandle<PRUnichar> *mHandle;
};

NS_IMPL_ISUPPORTS1(xpcTestDOMString, nsIXPCTestDOMString);

xpcTestDOMString::xpcTestDOMString()
    : mHandle(0)
{
    NS_INIT_ISUPPORTS();
    NS_ADDREF_THIS();
}

xpcTestDOMString::~xpcTestDOMString()
{
    if (mHandle)
        mHandle->ReleaseReference();
}

NS_IMETHODIMP
xpcTestDOMString::HereHaveADOMString(const nsAString &str)
{
    const nsSharedBufferHandle<PRUnichar> *handle;
    handle = str.GetSharedBufferHandle();
    if (!handle || NS_PTR_TO_INT32(handle) == 1)
        return NS_ERROR_INVALID_ARG;
    
    if (mHandle)
        mHandle->ReleaseReference();
    mHandle = handle;
    mHandle->AcquireReference();
    return NS_OK;
}

NS_IMETHODIMP
xpcTestDOMString::DontKeepThisOne(const nsAString &str)
{
    nsCString c; c.AssignWithConversion(str);
    fprintf(stderr, "xpcTestDOMString::DontKeepThisOne: \"%s\"\n", c.get());
    return NS_OK;
}

NS_IMETHODIMP
xpcTestDOMString::GiveDOMStringTo(nsIXPCTestDOMString *recv)
{
    NS_NAMED_LITERAL_STRING(myString, "A DOM String, Just For You");
    return recv->HereHaveADOMString(myString);
}

NS_IMETHODIMP
xpcTestDOMString::PassDOMStringThroughTo(const nsAString &str,
                                         nsIXPCTestDOMString *recv)
{
    return recv->HereHaveADOMString(str);
}


NS_IMETHODIMP
xpctest::ConstructXPCTestDOMString(nsISupports *aOuter, REFNSIID aIID,
                                   void **aResult)
{
    nsresult rv;
    NS_ASSERTION(!aOuter, "no aggregation");
    xpcTestDOMString *obj = new xpcTestDOMString();
    if (obj)
    {
        rv = obj->QueryInterface(aIID, aResult);
        NS_ASSERTION(NS_SUCCEEDED(rv), "unable to find correct interface");
        NS_RELEASE(obj);
    }
    else
    {
        *aResult = nsnull;
        rv = NS_ERROR_OUT_OF_MEMORY;
    }
    return rv;
}

