pjs/xpfe/bootstrap/appleevents/nsAETokens.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Simon Fraser <sfraser@netscape.com>
*/
#ifndef __AETOKENS__
#define __AETOKENS__
#include "nsAEUtils.h"
// ----------------------------------------------------------------------------
// This is the token record used for all tokens in the CORE Suite
// This uses the "kitchen sink" token metaphor: a single token is used to represent
// all objects, and some fields are only appropriate for some objects.
struct CoreTokenRecord
{
DescType dispatchClass; // the class that will dispatch this class
DescType objectClass; // the actual class of the tokenized object
DescType propertyCode; // property code, or typeNull if not a property token
long documentID;
TAEListIndex elementNumber;
WindowPtr window; // only used for window objects
CoreTokenRecord()
: dispatchClass(typeNull)
, objectClass(typeNull)
, propertyCode(typeNull)
, documentID(0)
, elementNumber(0)
, window(nil)
{
}
};
typedef struct CoreTokenRecord CoreTokenRecord, *CoreTokenPtr, **CoreTokenHandle;
// ConstAETokenDesc
// This is a read-only wrapper for an AEDesc* that can be used
// to read the contents of the token record.
class ConstAETokenDesc
{
public:
ConstAETokenDesc(const AEDesc* token);
DescType GetDispatchClass() const;
DescType GetObjectClass() const;
Boolean UsePropertyCode() const;
DescType GetPropertyCode() const;
long GetDocumentID() const;
WindowPtr GetWindowPtr() const;
TAEListIndex GetElementNumber() const;
protected:
CoreTokenRecord mTokenRecord;
Boolean mTokenWasNull; // true if we were passed an empty AEDesc
};
// AETokenDesc
// A read-write wrapper for an AEDesc*. Use this if you want to
// update the contents of the AEDesc's data handle
class AETokenDesc : public ConstAETokenDesc
{
public:
AETokenDesc(AEDesc* token);
~AETokenDesc();
void SetDispatchClass(DescType dispatchClass);
void SetObjectClass(DescType objectClass);
void SetPropertyCode(DescType propertyCode);
void SetElementNumber(TAEListIndex number);
void SetWindow(WindowPtr wind);
void UpdateDesc(); // update the AEDesc wrapped by this class
CoreTokenRecord& GetTokenRecord() { return mTokenRecord; }
protected:
AEDesc* mTokenDesc;
};
#endif /* __AETOKENS__ */