Mozilla/mozilla/content/xtf/src/nsXTFVisualWrapper.cpp
Olli.Pettay%helsinki.fi 103e8cb408 Bug 291026, Allow XBL to bind to XTF elements, r=alex, sr=bryner, a=mkaply
git-svn-id: svn://10.0.0.236/trunk@173962 18797224-902f-48f8-a5cc-f745e15eee43
2005-06-01 19:19:33 +00:00

125 lines
4.3 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 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 "nsISupportsArray.h"
#include "nsIPresShell.h"
#include "nsPresContext.h"
#include "nsIDocument.h"
nsXTFVisualWrapper::nsXTFVisualWrapper(nsINodeInfo* aNodeInfo)
: nsXTFVisualWrapperBase(aNodeInfo)
{}
//----------------------------------------------------------------------
// nsISupports implementation
NS_IMPL_ADDREF_INHERITED(nsXTFVisualWrapper,nsXTFVisualWrapperBase)
NS_IMPL_RELEASE_INHERITED(nsXTFVisualWrapper,nsXTFVisualWrapperBase)
NS_INTERFACE_MAP_BEGIN(nsXTFVisualWrapper)
NS_INTERFACE_MAP_ENTRY(nsIXTFVisualWrapperPrivate)
NS_INTERFACE_MAP_END_INHERITING(nsXTFVisualWrapperBase)
//----------------------------------------------------------------------
// nsIXTFVisualWrapperPrivate implementation:
NS_IMETHODIMP
nsXTFVisualWrapper::CreateAnonymousContent(nsPresContext* aPresContext,
nsISupportsArray& aAnonymousItems)
{
nsIDocument *doc = GetCurrentDoc();
NS_ASSERTION(doc, "no document; cannot create anonymous content");
if (!mVisualContent) {
GetXTFVisual()->GetVisualContent(getter_AddRefs(mVisualContent));
}
if (!mVisualContent) return NS_OK; // nothing to append
// Check if we are creating content for the primary presShell
bool isPrimaryShell =
(aPresContext->PresShell() == doc->GetShellAt(0));
nsCOMPtr<nsIDOMNode> contentToAppend;
if (!isPrimaryShell) {
// The presShell we are generating content for is not a primary
// shell. In practice that means it means we are constructing
// content for printing. Instead of asking the xtf element to
// construct new visual content, we just clone the exisiting
// content. In this way, the xtf element only ever has to provide
// one visual content tree which it can dynamically manipulate.
mVisualContent->CloneNode(PR_TRUE, getter_AddRefs(contentToAppend));
}
else
contentToAppend = mVisualContent;
if (contentToAppend)
aAnonymousItems.AppendElement(contentToAppend);
return NS_OK;
}
void
nsXTFVisualWrapper::DidLayout()
{
if (mNotificationMask & nsIXTFVisual::NOTIFY_DID_LAYOUT)
GetXTFVisual()->DidLayout();
}
void
nsXTFVisualWrapper::GetInsertionPoint(nsIDOMElement** insertionPoint)
{
GetXTFVisual()->GetInsertionPoint(insertionPoint);
}
PRBool
nsXTFVisualWrapper::ApplyDocumentStyleSheets()
{
PRBool retval = PR_FALSE;
GetXTFVisual()->GetApplyDocumentStyleSheets(&retval);
return retval;
}
nsresult
nsXTFVisualWrapper::Init()
{
return nsXTFVisualWrapperBase::Init();
}