forked from mirrors/gecko-dev
5730ee0ca5
Extend the per-frame-class bit we have to devirtualize IsLeaf to also devirtualize IsFrameOfType. That is, move this data to FrameClasses.py. This was done by going through all the frame classes, trying to preserve behavior. The only quirky thing is that I had to add two more trivial frame classes, `nsAudioFrame` for audio elements, and `nsFloatingFirstLetterFrame`. That's because these frame classes were returning different answers at runtime, but they do this only on conditions that trigger frame reconstruction (floating, and being an audio element, respectively). Differential Revision: https://phabricator.services.mozilla.com/D194703
97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Keep in (case-insensitive) order:
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#include "mozilla/PresShell.h"
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#include "mozilla/SVGObserverUtils.h"
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#include "mozilla/dom/SVGFilters.h"
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#include "ComputedStyle.h"
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#include "nsContainerFrame.h"
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#include "nsIFrame.h"
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#include "nsGkAtoms.h"
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using namespace mozilla::dom;
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nsIFrame* NS_NewSVGFELeafFrame(mozilla::PresShell* aPresShell,
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mozilla::ComputedStyle* aStyle);
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namespace mozilla {
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/*
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* This frame is used by filter primitive elements that don't
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* have special child elements that provide parameters.
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*/
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class SVGFELeafFrame final : public nsIFrame {
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friend nsIFrame* ::NS_NewSVGFELeafFrame(mozilla::PresShell* aPresShell,
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ComputedStyle* aStyle);
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protected:
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explicit SVGFELeafFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
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: nsIFrame(aStyle, aPresContext, kClassID) {
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AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_IS_NONDISPLAY);
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}
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public:
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NS_DECL_FRAMEARENA_HELPERS(SVGFELeafFrame)
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#ifdef DEBUG
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void Init(nsIContent* aContent, nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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#endif
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#ifdef DEBUG_FRAME_DUMP
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nsresult GetFrameName(nsAString& aResult) const override {
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return MakeFrameName(u"SVGFELeaf"_ns, aResult);
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}
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#endif
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nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
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int32_t aModType) override;
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bool ComputeCustomOverflow(OverflowAreas& aOverflowAreas) override {
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// We don't maintain a ink overflow rect
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return false;
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}
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};
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} // namespace mozilla
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nsIFrame* NS_NewSVGFELeafFrame(mozilla::PresShell* aPresShell,
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mozilla::ComputedStyle* aStyle) {
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return new (aPresShell)
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mozilla::SVGFELeafFrame(aStyle, aPresShell->GetPresContext());
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}
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namespace mozilla {
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NS_IMPL_FRAMEARENA_HELPERS(SVGFELeafFrame)
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#ifdef DEBUG
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void SVGFELeafFrame::Init(nsIContent* aContent, nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) {
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NS_ASSERTION(aContent->IsSVGFilterPrimitiveElement(),
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"Trying to construct an SVGFELeafFrame for a "
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"content element that doesn't support the right interfaces");
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nsIFrame::Init(aContent, aParent, aPrevInFlow);
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}
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#endif /* DEBUG */
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nsresult SVGFELeafFrame::AttributeChanged(int32_t aNameSpaceID,
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nsAtom* aAttribute,
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int32_t aModType) {
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auto* element =
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static_cast<mozilla::dom::SVGFilterPrimitiveElement*>(GetContent());
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if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) {
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MOZ_ASSERT(
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GetParent()->IsSVGFilterFrame(),
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"Observers observe the filter, so that's what we must invalidate");
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SVGObserverUtils::InvalidateRenderingObservers(GetParent());
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}
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return nsIFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType);
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}
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} // namespace mozilla
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