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883849ee32
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-o -iname "*.h" \
-o -iname "*.c" \
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}
convert MOZ_OVERRIDE override
convert MOZ_FINAL final
149 lines
4.4 KiB
C++
149 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "nsContainerFrame.h"
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#include "nsContentUtils.h"
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#include "nsFrame.h"
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#include "nsGkAtoms.h"
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#include "nsLiteralString.h"
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#include "nsSVGEffects.h"
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#include "nsSVGFilters.h"
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#include "mozilla/dom/SVGFEImageElement.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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typedef nsFrame SVGFEImageFrameBase;
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class SVGFEImageFrame : public SVGFEImageFrameBase
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{
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friend nsIFrame*
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NS_NewSVGFEImageFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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protected:
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explicit SVGFEImageFrame(nsStyleContext* aContext)
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: SVGFEImageFrameBase(aContext)
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{
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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
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virtual void Init(nsIContent* aContent,
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nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
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virtual bool IsFrameOfType(uint32_t aFlags) const override
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{
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return SVGFEImageFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG));
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}
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override
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{
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return MakeFrameName(NS_LITERAL_STRING("SVGFEImage"), aResult);
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}
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#endif
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/**
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* Get the "type" of the frame
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*
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* @see nsGkAtoms::svgFEImageFrame
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*/
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virtual nsIAtom* GetType() const override;
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virtual nsresult AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType) override;
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virtual bool UpdateOverflow() override {
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// We don't maintain a visual overflow rect
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return false;
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}
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};
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nsIFrame*
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NS_NewSVGFEImageFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
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{
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return new (aPresShell) SVGFEImageFrame(aContext);
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}
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NS_IMPL_FRAMEARENA_HELPERS(SVGFEImageFrame)
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/* virtual */ void
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SVGFEImageFrame::DestroyFrom(nsIFrame* aDestructRoot)
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{
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nsCOMPtr<nsIImageLoadingContent> imageLoader =
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do_QueryInterface(SVGFEImageFrameBase::mContent);
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if (imageLoader) {
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imageLoader->FrameDestroyed(this);
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imageLoader
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->DecrementVisibleCount(nsIImageLoadingContent::ON_NONVISIBLE_NO_ACTION);
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}
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SVGFEImageFrameBase::DestroyFrom(aDestructRoot);
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}
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void
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SVGFEImageFrame::Init(nsIContent* aContent,
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nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow)
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{
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NS_ASSERTION(aContent->IsSVGElement(nsGkAtoms::feImage),
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"Trying to construct an SVGFEImageFrame for a "
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"content element that doesn't support the right interfaces");
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SVGFEImageFrameBase::Init(aContent, aParent, aPrevInFlow);
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nsCOMPtr<nsIImageLoadingContent> imageLoader =
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do_QueryInterface(SVGFEImageFrameBase::mContent);
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if (imageLoader) {
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// We assume that feImage's are always visible.
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// Increment the visible count before calling FrameCreated so that
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// FrameCreated will actually track the image correctly.
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imageLoader->IncrementVisibleCount();
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imageLoader->FrameCreated(this);
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}
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}
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nsIAtom *
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SVGFEImageFrame::GetType() const
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{
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return nsGkAtoms::svgFEImageFrame;
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}
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nsresult
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SVGFEImageFrame::AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType)
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{
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SVGFEImageElement *element = static_cast<SVGFEImageElement*>(mContent);
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if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) {
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MOZ_ASSERT(GetParent()->GetType() == nsGkAtoms::svgFilterFrame,
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"Observers observe the filter, so that's what we must invalidate");
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nsSVGEffects::InvalidateDirectRenderingObservers(GetParent());
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}
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if (aNameSpaceID == kNameSpaceID_XLink &&
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aAttribute == nsGkAtoms::href) {
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// Prevent setting image.src by exiting early
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if (nsContentUtils::IsImageSrcSetDisabled()) {
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return NS_OK;
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}
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if (element->mStringAttributes[SVGFEImageElement::HREF].IsExplicitlySet()) {
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element->LoadSVGImage(true, true);
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} else {
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element->CancelImageRequests(true);
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}
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}
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return SVGFEImageFrameBase::AttributeChanged(aNameSpaceID,
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aAttribute, aModType);
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}
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