/* -*- 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, ComputedStyle* aStyle)

{

  return new (aPresShell) nsSVGGFrame(aStyle);

}

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;

}