Backed out changeset 36e95068e103 (bug 1848160) for bc failures on browser_preference...
[gecko.git] / layout / svg / SVGFEUnstyledLeafFrame.cpp
blobefb3cf80242d2bb40a9a94c485ea0b34565970b1
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 // Keep in (case-insensitive) order:
8 #include "mozilla/dom/SVGFilters.h"
9 #include "mozilla/PresShell.h"
10 #include "mozilla/SVGObserverUtils.h"
11 #include "nsContainerFrame.h"
12 #include "nsIFrame.h"
13 #include "nsGkAtoms.h"
15 nsIFrame* NS_NewSVGFEUnstyledLeafFrame(mozilla::PresShell* aPresShell,
16 mozilla::ComputedStyle* aStyle);
18 namespace mozilla {
20 class SVGFEUnstyledLeafFrame final : public nsIFrame {
21 friend nsIFrame* ::NS_NewSVGFEUnstyledLeafFrame(
22 mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
24 protected:
25 explicit SVGFEUnstyledLeafFrame(ComputedStyle* aStyle,
26 nsPresContext* aPresContext)
27 : nsIFrame(aStyle, aPresContext, kClassID) {
28 AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_IS_NONDISPLAY);
31 public:
32 NS_DECL_FRAMEARENA_HELPERS(SVGFEUnstyledLeafFrame)
34 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
35 const nsDisplayListSet& aLists) override {}
37 bool IsFrameOfType(uint32_t aFlags) const override {
38 if (aFlags & eSupportsContainLayoutAndPaint) {
39 return false;
42 return nsIFrame::IsFrameOfType(aFlags & ~(nsIFrame::eSVG));
45 #ifdef DEBUG_FRAME_DUMP
46 nsresult GetFrameName(nsAString& aResult) const override {
47 return MakeFrameName(u"SVGFEUnstyledLeaf"_ns, aResult);
49 #endif
51 virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
52 int32_t aModType) override;
54 bool ComputeCustomOverflow(OverflowAreas& aOverflowAreas) override {
55 // We don't maintain a ink overflow rect
56 return false;
60 } // namespace mozilla
62 nsIFrame* NS_NewSVGFEUnstyledLeafFrame(mozilla::PresShell* aPresShell,
63 mozilla::ComputedStyle* aStyle) {
64 return new (aPresShell)
65 mozilla::SVGFEUnstyledLeafFrame(aStyle, aPresShell->GetPresContext());
68 namespace mozilla {
70 NS_IMPL_FRAMEARENA_HELPERS(SVGFEUnstyledLeafFrame)
72 nsresult SVGFEUnstyledLeafFrame::AttributeChanged(int32_t aNameSpaceID,
73 nsAtom* aAttribute,
74 int32_t aModType) {
75 auto* element =
76 static_cast<mozilla::dom::SVGFEUnstyledElement*>(GetContent());
77 if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) {
78 MOZ_ASSERT(
79 GetParent()->GetParent()->IsSVGFilterFrame(),
80 "Observers observe the filter, so that's what we must invalidate");
81 SVGObserverUtils::InvalidateRenderingObservers(GetParent()->GetParent());
84 return nsIFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType);
87 } // namespace mozilla