/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// Main header first:
#include "nsSVGGFrame.h"

// Keep others in (case-insensitive) order:
#include "nsGkAtoms.h"
#include "SVGTransformableElement.h"
#include "nsIFrame.h"
#include "SVGGraphicsElement.h"
#include "nsSVGIntegrationUtils.h"
#include "nsSVGUtils.h"

using namespace mozilla::dom;

//----------------------------------------------------------------------
// Implementation

nsIFrame*
NS_NewSVGGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
{
  return new (aPresShell) nsSVGGFrame(aContext);
}

NS_IMPL_FRAMEARENA_HELPERS(nsSVGGFrame)

#ifdef DEBUG
void
nsSVGGFrame::Init(nsIContent*       aContent,
                  nsContainerFrame* aParent,
                  nsIFrame*         aPrevInFlow)
{
  NS_ASSERTION(aContent->IsSVGElement() &&
               static_cast<nsSVGElement*>(aContent)->IsTransformable(),
               "The element doesn't support nsIDOMSVGTransformable");

  nsSVGDisplayContainerFrame::Init(aContent, aParent, aPrevInFlow);
}
#endif /* DEBUG */

//----------------------------------------------------------------------
// nsSVGDisplayableFrame methods

nsresult
nsSVGGFrame::AttributeChanged(int32_t         aNameSpaceID,
                              nsAtom*        aAttribute,
                              int32_t         aModType)
{
  if (aNameSpaceID == kNameSpaceID_None &&
      aAttribute == nsGkAtoms::transform) {
    // We don't invalidate for transform changes (the layers code does that).
    // Also note that SVGTransformableElement::GetAttributeChangeHint will
    // return nsChangeHint_UpdateOverflow for "transform" attribute changes
    // and cause DoApplyRenderingChangeToTree to make the SchedulePaint call.
    NotifySVGChanged(TRANSFORM_CHANGED);
  }

  return NS_OK;
}