104 lines
4.2 KiB
C++
104 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla XTF project.
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*
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* The Initial Developer of the Original Code is
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* Alex Fritze.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alex Fritze <alex@croczilla.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsCOMPtr.h"
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#include "nsContainerFrame.h"
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#include "nsPresContext.h"
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#include "nsISupportsArray.h"
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#include "nsSVGGenericContainerFrame.h"
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#include "nsIXTFVisualWrapperPrivate.h"
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#include "nsIAnonymousContentCreator.h"
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typedef nsSVGGenericContainerFrame nsXTFSVGDisplayFrameBase;
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class nsXTFSVGDisplayFrame : public nsXTFSVGDisplayFrameBase,
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public nsIAnonymousContentCreator
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{
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public:
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nsXTFSVGDisplayFrame(nsStyleContext* aContext) : nsXTFSVGDisplayFrameBase(aContext) {}
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friend nsIFrame*
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NS_NewXTFSVGDisplayFrame(nsIPresShell* aPresShell, nsIContent* aContent, nsStyleContext* aContext);
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// nsISupports interface:
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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private:
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NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }
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NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; }
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protected:
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// nsIAnonymousContentCreator
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NS_IMETHOD CreateAnonymousContent(nsPresContext* aPresContext,
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nsISupportsArray& aAnonymousItems);
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// If the creator doesn't want to create special frame for frame hierarchy
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// then it should null out the style content arg and return NS_ERROR_FAILURE
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NS_IMETHOD CreateFrameFor(nsPresContext* aPresContext,
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nsIContent * aContent,
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nsIFrame** aFrame) {
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if (aFrame) *aFrame = nsnull; return NS_ERROR_FAILURE; }
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};
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//----------------------------------------------------------------------
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// Implementation
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nsIFrame*
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NS_NewXTFSVGDisplayFrame(nsIPresShell* aPresShell, nsIContent* aContent, nsStyleContext* aContext)
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{
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return new (aPresShell) nsXTFSVGDisplayFrame(aContext);
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}
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//----------------------------------------------------------------------
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// nsISupports methods
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NS_INTERFACE_MAP_BEGIN(nsXTFSVGDisplayFrame)
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NS_INTERFACE_MAP_ENTRY(nsIAnonymousContentCreator)
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NS_INTERFACE_MAP_END_INHERITING(nsXTFSVGDisplayFrameBase)
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//----------------------------------------------------------------------
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// nsIAnonymousContentCreator methods:
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NS_IMETHODIMP
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nsXTFSVGDisplayFrame::CreateAnonymousContent(nsPresContext* aPresContext,
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nsISupportsArray& aAnonymousItems)
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{
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nsCOMPtr<nsIXTFVisualWrapperPrivate> visual = do_QueryInterface(mContent);
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NS_ASSERTION(visual, "huh? associated content not implementing nsIXTFVisualWrapperPrivate");
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return visual->CreateAnonymousContent(aPresContext, aAnonymousItems);
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}
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