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/* -*- 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 the Mozilla XTF project.
*
* The Initial Developer of the Original Code is
* Alex Fritze.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Alex Fritze <alex@croczilla.com> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 "nsCOMPtr.h"
#include "nsXTFVisualWrapper.h"
#include "nsIXTFXULVisual.h"
#include "nsXTFWeakTearoff.h"
#include "nsIXTFXULVisualWrapper.h"
typedef nsXTFVisualWrapper nsXTFXULVisualWrapperBase;
////////////////////////////////////////////////////////////////////////
// nsXTFXULVisualWrapper class
class nsXTFXULVisualWrapper : public nsXTFXULVisualWrapperBase,
public nsIXTFXULVisualWrapper
{
protected:
friend nsresult
NS_NewXTFXULVisualWrapper(nsIXTFXULVisual* xtfElement,
nsINodeInfo* ni,
nsIContent** aResult);
nsXTFXULVisualWrapper(nsINodeInfo* ni, nsIXTFXULVisual* xtfElement);
virtual ~nsXTFXULVisualWrapper();
nsresult Init();
public:
// nsISupports interface
NS_DECL_ISUPPORTS_INHERITED
// nsIXTFElementWrapperPrivate interface
virtual PRUint32 GetElementType() { return nsIXTFElement::ELEMENT_TYPE_XUL_VISUAL; }
// nsIXTFXULVisualWrapper interface
NS_DECL_NSIXTFXULVISUALWRAPPER
// nsIXTFStyledElementWrapper
NS_FORWARD_NSIXTFSTYLEDELEMENTWRAPPER(nsXTFStyledElementWrapper::)
// nsIXTFElementWrapper interface
NS_FORWARD_NSIXTFELEMENTWRAPPER(nsXTFXULVisualWrapperBase::)
private:
virtual nsIXTFElement *GetXTFElement() const { return mXTFElement; }
virtual nsIXTFVisual *GetXTFVisual() const { return mXTFElement; }
nsCOMPtr<nsIXTFXULVisual> mXTFElement;
};
//----------------------------------------------------------------------
// implementation:
nsXTFXULVisualWrapper::nsXTFXULVisualWrapper(nsINodeInfo* aNodeInfo,
nsIXTFXULVisual* xtfElement)
: nsXTFXULVisualWrapperBase(aNodeInfo), mXTFElement(xtfElement)
{
#ifdef DEBUG
// printf("nsXTFXULVisualWrapper CTOR\n");
#endif
NS_ASSERTION(mXTFElement, "xtfElement is null");
}
nsresult
nsXTFXULVisualWrapper::Init()
{
nsXTFXULVisualWrapperBase::Init();
// pass a weak wrapper (non base object ref-counted), so that
// our mXTFElement can safely addref/release.
nsISupports *weakWrapper=nsnull;
NS_NewXTFWeakTearoff(NS_GET_IID(nsIXTFXULVisualWrapper),
(nsIXTFXULVisualWrapper*)this,
&weakWrapper);
if (!weakWrapper) {
NS_ERROR("could not construct weak wrapper");
return NS_ERROR_FAILURE;
}
mXTFElement->OnCreated((nsIXTFXULVisualWrapper*)weakWrapper);
weakWrapper->Release();
return NS_OK;
}
nsXTFXULVisualWrapper::~nsXTFXULVisualWrapper()
{
mXTFElement->OnDestroyed();
mXTFElement = nsnull;
#ifdef DEBUG
// printf("nsXTFXULVisualWrapper DTOR\n");
#endif
}
nsresult
NS_NewXTFXULVisualWrapper(nsIXTFXULVisual* xtfElement,
nsINodeInfo* ni,
nsIContent** aResult)
{
*aResult = nsnull;
if (!xtfElement) {
NS_ERROR("can't construct an xtf wrapper without an xtf element");
return NS_ERROR_FAILURE;
}
nsXTFXULVisualWrapper* result = new nsXTFXULVisualWrapper(ni, xtfElement);
if (!result)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(result);
nsresult rv = result->Init();
if (NS_FAILED(rv)) {
NS_RELEASE(result);
return rv;
}
*aResult = result;
return NS_OK;
}
//----------------------------------------------------------------------
// nsISupports implementation
NS_IMPL_ADDREF_INHERITED(nsXTFXULVisualWrapper,nsXTFXULVisualWrapperBase)
NS_IMPL_RELEASE_INHERITED(nsXTFXULVisualWrapper,nsXTFXULVisualWrapperBase)
NS_INTERFACE_MAP_BEGIN(nsXTFXULVisualWrapper)
NS_INTERFACE_MAP_ENTRY(nsIXTFXULVisualWrapper)
NS_INTERFACE_MAP_ENTRY(nsIXTFStyledElementWrapper)
NS_INTERFACE_MAP_END_INHERITING(nsXTFXULVisualWrapperBase)
//----------------------------------------------------------------------
// nsIXTFXULVisualWrapper implementation:
// XXX nothing yet
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