RetroZilla/content/xbl/src/nsXBLProtoImpl.h
2015-10-20 23:03:22 -04:00

112 lines
4.2 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):
* David Hyatt <hyatt@netscape.com> (Original Author)
*
* 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 ***** */
#ifndef nsXBLProtoImpl_h__
#define nsXBLProtoImpl_h__
#include "nsMemory.h"
#include "nsXBLPrototypeHandler.h"
#include "nsXBLProtoImplMember.h"
#include "nsXBLPrototypeBinding.h"
class nsIXPConnectJSObjectHolder;
MOZ_DECL_CTOR_COUNTER(nsXBLProtoImpl)
class nsXBLProtoImpl
{
public:
nsXBLProtoImpl()
: mClassObject(nsnull),
mMembers(nsnull),
mConstructor(nsnull),
mDestructor(nsnull)
{
MOZ_COUNT_CTOR(nsXBLProtoImpl);
};
~nsXBLProtoImpl()
{
MOZ_COUNT_DTOR(nsXBLProtoImpl);
// Note: the constructor and destructor are in mMembers, so we'll
// clean them up automatically.
for (nsXBLProtoImplMember* curr = mMembers; curr; curr=curr->GetNext())
curr->Destroy(mClassObject != nsnull);
delete mMembers;
};
nsresult InstallImplementation(nsXBLPrototypeBinding* aBinding, nsIContent* aBoundElement);
nsresult InitTargetObjects(nsXBLPrototypeBinding* aBinding, nsIScriptContext* aContext,
nsIContent* aBoundElement,
nsIXPConnectJSObjectHolder** aScriptObjectHolder,
void** aTargetClassObject);
nsresult CompilePrototypeMembers(nsXBLPrototypeBinding* aBinding);
void SetMemberList(nsXBLProtoImplMember* aMemberList) { delete mMembers; mMembers = aMemberList; };
protected:
// Function to call if compilation of a member fails. When this is called,
// all members before aBrokenMember are compiled, compilation of
// aBrokenMember failed, and members after aBrokenMember are uncompiled.
// This function assumes that aBrokenMember is _not_ compiled.
void DestroyMembers(nsXBLProtoImplMember* aBrokenMember);
public:
nsCString mClassName; // The name of the class.
PRBool CompiledMembers() const {
return mClassObject != nsnull;
}
protected:
void* mClassObject; // The class object for the binding. We'll use this to pre-compile properties
// and methods for the binding.
nsXBLProtoImplMember* mMembers; // The members of an implementation are chained in this singly-linked list.
public:
nsXBLProtoImplAnonymousMethod* mConstructor; // Our class constructor.
nsXBLProtoImplAnonymousMethod* mDestructor; // Our class destructor.
};
nsresult
NS_NewXBLProtoImpl(nsXBLPrototypeBinding* aBinding,
const PRUnichar* aClassName,
nsXBLProtoImpl** aResult);
#endif // nsXBLProtoImpl_h__