gecko-dev/xpfe/bootstrap/appleevents/nsAETokens.cpp
2004-04-17 16:52:41 +00:00

175 lines
5.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Simon Fraser <sfraser@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsAETokens.h"
// ---------------------------------------------------------------------------
ConstAETokenDesc::ConstAETokenDesc(const AEDesc* token)
{
mTokenWasNull = (token->descriptorType == typeNull);
if (!mTokenWasNull)
{
if (::AEGetDescDataSize(token) != sizeof(CoreTokenRecord))
ThrowOSErr(paramErr); // invalid token
ThrowIfOSErr(::AEGetDescData(token, &mTokenRecord, sizeof(CoreTokenRecord)));
}
}
// ---------------------------------------------------------------------------
DescType ConstAETokenDesc::GetDispatchClass() const
{
ThrowErrIfTrue(mTokenWasNull, paramErr);
return mTokenRecord.dispatchClass;
}
// ---------------------------------------------------------------------------
DescType ConstAETokenDesc::GetObjectClass() const
{
ThrowErrIfTrue(mTokenWasNull, paramErr);
return mTokenRecord.objectClass;
}
// ---------------------------------------------------------------------------
// The field usePropertyCode has been removed from the token record,
// so we emulate it here by seeing if the propertyCode field is typeNull,
// which is interpreted to mean that this is NOT a property token
Boolean ConstAETokenDesc::UsePropertyCode() const
{
ThrowErrIfTrue(mTokenWasNull, paramErr);
return (mTokenRecord.propertyCode != typeNull);
}
// ---------------------------------------------------------------------------
DescType ConstAETokenDesc::GetPropertyCode() const
{
ThrowErrIfTrue(mTokenWasNull, paramErr);
return mTokenRecord.propertyCode;
}
// ---------------------------------------------------------------------------
long ConstAETokenDesc::GetDocumentID() const
{
ThrowErrIfTrue(mTokenWasNull, paramErr);
return mTokenRecord.documentID;
}
// ---------------------------------------------------------------------------
WindowPtr ConstAETokenDesc::GetWindowPtr() const
{
ThrowErrIfTrue(mTokenWasNull, paramErr);
return mTokenRecord.window;
}
// ---------------------------------------------------------------------------
TAEListIndex ConstAETokenDesc::GetElementNumber() const
{
ThrowErrIfTrue(mTokenWasNull, paramErr);
return mTokenRecord.elementNumber;
}
#pragma mark -
// ---------------------------------------------------------------------------
AETokenDesc::AETokenDesc(AEDesc* token)
: ConstAETokenDesc(token)
, mTokenDesc(token)
{
if (mTokenWasNull) // we cannot wrap a null token
ThrowOSErr(paramErr);
}
// ---------------------------------------------------------------------------
AETokenDesc::~AETokenDesc()
{
UpdateDesc(); // update the AEDesc that we wrap
}
// ---------------------------------------------------------------------------
void AETokenDesc::SetPropertyCode(DescType propertyCode)
{
mTokenRecord.propertyCode = propertyCode;
}
// ---------------------------------------------------------------------------
void AETokenDesc::SetDispatchClass(DescType dispatchClass)
{
mTokenRecord.dispatchClass = dispatchClass;
}
// ---------------------------------------------------------------------------
void AETokenDesc::SetObjectClass(DescType objectClass)
{
mTokenRecord.objectClass = objectClass;
}
// ---------------------------------------------------------------------------
void AETokenDesc::SetElementNumber(TAEListIndex number)
{
mTokenRecord.elementNumber = number;
}
// ---------------------------------------------------------------------------
void AETokenDesc::SetWindow(WindowPtr wind)
{
mTokenRecord.window = wind;
}
// ---------------------------------------------------------------------------
void AETokenDesc::UpdateDesc()
{
OSErr err = ::AEReplaceDescData(mTokenDesc->descriptorType, &mTokenRecord, sizeof(CoreTokenRecord), mTokenDesc);
ThrowIfOSErr(err);
}