121 lines
3.9 KiB
C++
121 lines
3.9 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 SVG project.
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*
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* The Initial Developer of the Original Code is IBM Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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#ifndef NSSVGTEXTPATHFRAME_H
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#define NSSVGTEXTPATHFRAME_H
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#include "nsSVGTSpanFrame.h"
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#include "nsIDOMSVGAnimatedString.h"
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#include "nsSVGLengthList.h"
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#include "nsIDOMSVGLength.h"
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#include "gfxPath.h"
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#include "nsStubMutationObserver.h"
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class nsSVGTextPathFrame;
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class nsSVGPathListener : public nsStubMutationObserver {
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public:
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nsSVGPathListener(nsIContent *aPathElement,
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nsSVGTextPathFrame *aTextPathFrame);
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~nsSVGPathListener();
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIMutationObserver
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NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
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private:
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nsWeakPtr mObservedPath;
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nsSVGTextPathFrame *mTextPathFrame;
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};
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typedef nsSVGTSpanFrame nsSVGTextPathFrameBase;
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class nsSVGTextPathFrame : public nsSVGTextPathFrameBase
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{
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friend nsIFrame*
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NS_NewSVGTextPathFrame(nsIPresShell* aPresShell, nsIContent* aContent,
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nsIFrame* parentFrame, nsStyleContext* aContext);
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protected:
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nsSVGTextPathFrame(nsStyleContext* aContext) : nsSVGTextPathFrameBase(aContext) {}
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public:
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// nsIFrame:
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType);
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/**
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* Get the "type" of the frame
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*
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* @see nsGkAtoms::svgGFrame
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*/
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virtual nsIAtom* GetType() const;
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const
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{
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return MakeFrameName(NS_LITERAL_STRING("SVGTextPath"), aResult);
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}
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#endif
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// nsSVGTextPathFrame methods:
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already_AddRefed<gfxFlattenedPath> GetFlattenedPath();
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nsIFrame *GetPathFrame();
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protected:
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NS_IMETHOD_(already_AddRefed<nsIDOMSVGLengthList>) GetX();
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NS_IMETHOD_(already_AddRefed<nsIDOMSVGLengthList>) GetY();
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NS_IMETHOD_(already_AddRefed<nsIDOMSVGLengthList>) GetDx();
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NS_IMETHOD_(already_AddRefed<nsIDOMSVGLengthList>) GetDy();
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private:
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nsCOMPtr<nsIDOMSVGLength> mStartOffset;
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nsCOMPtr<nsIDOMSVGAnimatedString> mHref;
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nsRefPtr<nsSVGPathListener> mPathListener;
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nsCOMPtr<nsIDOMSVGLengthList> mX;
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friend class nsSVGPathListener;
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};
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#endif
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