author Andreas Pehrson <>
Tue, 28 Mar 2017 16:03:21 +0200
changeset 405001 bce76b2df8cc5a22cadfc3c06c61b94533308586
parent 404103 fbc54f707dc421f8132340e45fa2719dbdc9621b
child 408960 45bf72e9b3b3b5d45457598865c72536b3027264
permissions -rw-r--r--
Bug 1320994 - Re-enable tests. r=florian MozReview-Commit-ID: KGe95JhBoVD

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 */

// Keep in (case-insensitive) order:
#include "nsContainerFrame.h"
#include "nsFrame.h"
#include "nsGkAtoms.h"
#include "nsStyleContext.h"
#include "nsSVGEffects.h"

// This is a very simple frame whose only purpose is to capture style change
// events and propagate them to the parent.  Most of the heavy lifting is done
// within the nsSVGGradientFrame, which is the parent for this frame

class nsSVGStopFrame : public nsFrame
  friend nsIFrame*
  NS_NewSVGStopFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
  explicit nsSVGStopFrame(nsStyleContext* aContext)
    : nsFrame(aContext, LayoutFrameType::SVGStop)


  // nsIFrame interface:
#ifdef DEBUG
  virtual void Init(nsIContent*       aContent,
                    nsContainerFrame* aParent,
                    nsIFrame*         aPrevInFlow) override;

  void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
                        const nsRect&           aDirtyRect,
                        const nsDisplayListSet& aLists) override {}

  virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
                                    nsIAtom*        aAttribute,
                                    int32_t         aModType) override;

  virtual bool IsFrameOfType(uint32_t aFlags) const override
    return nsFrame::IsFrameOfType(aFlags & ~(nsIFrame::eSVG));

  virtual nsresult GetFrameName(nsAString& aResult) const override
    return MakeFrameName(NS_LITERAL_STRING("SVGStop"), aResult);

// Implementation


// nsIFrame methods:

#ifdef DEBUG
nsSVGStopFrame::Init(nsIContent*       aContent,
                     nsContainerFrame* aParent,
                     nsIFrame*         aPrevInFlow)
  NS_ASSERTION(aContent->IsSVGElement(nsGkAtoms::stop), "Content is not a stop element");

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

nsSVGStopFrame::AttributeChanged(int32_t         aNameSpaceID,
                                 nsIAtom*        aAttribute,
                                 int32_t         aModType)
  if (aNameSpaceID == kNameSpaceID_None &&
      aAttribute == nsGkAtoms::offset) {
    MOZ_ASSERT(GetParent()->IsSVGLinearGradientFrame() ||
               "Observers observe the gradient, so that's what we must invalidate");

  return nsFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType);

// -------------------------------------------------------------------------
// Public functions
// -------------------------------------------------------------------------

nsIFrame* NS_NewSVGStopFrame(nsIPresShell*   aPresShell,
                             nsStyleContext* aContext)
  return new (aPresShell) nsSVGStopFrame(aContext);