/* -*- 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 SVG project.
 *
 * The Initial Developer of the Original Code is
 * Crocodile Clips Ltd..
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Alex Fritze <alex.fritze@crocodile-clips.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 ***** */

#include "nsSVGContainerFrame.h"
#include "nsISVGSVGFrame.h"
#include "gfxMatrix.h"

typedef nsSVGDisplayContainerFrame nsSVGInnerSVGFrameBase;

class nsSVGInnerSVGFrame : public nsSVGInnerSVGFrameBase,
                           public nsISVGSVGFrame
{
  friend nsIFrame*
  NS_NewSVGInnerSVGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
  nsSVGInnerSVGFrame(nsStyleContext* aContext) :
    nsSVGInnerSVGFrameBase(aContext) {}
  
public:
  NS_DECL_QUERYFRAME_TARGET(nsSVGInnerSVGFrame)
  NS_DECL_QUERYFRAME
  NS_DECL_FRAMEARENA_HELPERS

  // We don't define an AttributeChanged method since changes to the
  // 'x', 'y', 'width' and 'height' attributes of our content object
  // are handled in nsSVGSVGElement::DidModifySVGObservable

#ifdef DEBUG
  NS_IMETHOD Init(nsIContent*      aContent,
                  nsIFrame*        aParent,
                  nsIFrame*        aPrevInFlow);
#endif

  /**
   * Get the "type" of the frame
   *
   * @see nsGkAtoms::svgInnerSVGFrame
   */
  virtual nsIAtom* GetType() const;

#ifdef DEBUG
  NS_IMETHOD GetFrameName(nsAString& aResult) const
  {
    return MakeFrameName(NS_LITERAL_STRING("SVGInnerSVG"), aResult);
  }
#endif

  // nsISVGChildFrame interface:
  NS_IMETHOD PaintSVG(nsSVGRenderState *aContext, const nsIntRect *aDirtyRect);
  virtual void NotifySVGChanged(PRUint32 aFlags);
  NS_IMETHOD_(nsIFrame*) GetFrameForPoint(const nsPoint &aPoint);

  // nsSVGContainerFrame methods:
  virtual gfxMatrix GetCanvasTM();

  // nsISupportsWeakReference
  // implementation inherited from nsSupportsWeakReference

  // nsISVGSVGFrame interface:
  NS_IMETHOD SuspendRedraw();
  NS_IMETHOD UnsuspendRedraw();
  NS_IMETHOD NotifyViewportChange();

protected:

  nsCOMPtr<nsIDOMSVGMatrix> mCanvasTM;
};
