mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
724 lines
22 KiB
C++
724 lines
22 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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// Main header first:
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#include "nsSVGEffects.h"
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// Keep others in (case-insensitive) order:
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#include "nsCSSFrameConstructor.h"
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#include "nsISupportsImpl.h"
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#include "nsSVGClipPathFrame.h"
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#include "nsSVGPaintServerFrame.h"
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#include "nsSVGPathGeometryElement.h"
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#include "nsSVGFilterFrame.h"
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#include "nsSVGMaskFrame.h"
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#include "nsSVGTextPathFrame.h"
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#include "nsIReflowCallback.h"
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#include "RestyleManager.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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// nsSVGRenderingObserver impl
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NS_IMPL_ISUPPORTS1(nsSVGRenderingObserver, nsIMutationObserver)
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void
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nsSVGRenderingObserver::StartListening()
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{
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Element* target = GetTarget();
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if (target) {
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target->AddMutationObserver(this);
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}
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}
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void
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nsSVGRenderingObserver::StopListening()
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{
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Element* target = GetTarget();
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if (target) {
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target->RemoveMutationObserver(this);
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if (mInObserverList) {
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nsSVGEffects::RemoveRenderingObserver(target, this);
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mInObserverList = false;
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}
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}
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NS_ASSERTION(!mInObserverList, "still in an observer list?");
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}
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/**
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* Note that in the current setup there are two separate observer lists.
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*
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* In nsSVGIDRenderingObserver's ctor, the new object adds itself to the
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* mutation observer list maintained by the referenced element. In this way the
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* nsSVGIDRenderingObserver is notified if there are any attribute or content
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* tree changes to the element or any of its *descendants*.
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*
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* In nsSVGIDRenderingObserver::GetReferencedElement() the
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* nsSVGIDRenderingObserver object also adds itself to an
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* nsSVGRenderingObserverList object belonging to the referenced
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* element.
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*
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* XXX: it would be nice to have a clear and concise executive summary of the
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* benefits/necessity of maintaining a second observer list.
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*/
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#ifdef _MSC_VER
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// Disable "warning C4355: 'this' : used in base member initializer list".
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// We can ignore that warning because we know that mElement's constructor
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// doesn't dereference the pointer passed to it.
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#pragma warning(push)
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#pragma warning(disable:4355)
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#endif
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nsSVGIDRenderingObserver::nsSVGIDRenderingObserver(nsIURI *aURI,
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nsIFrame *aFrame,
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bool aReferenceImage)
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: mElement(this), mFrame(aFrame),
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mFramePresShell(aFrame->PresContext()->PresShell())
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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{
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// Start watching the target element
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mElement.Reset(aFrame->GetContent(), aURI, true, aReferenceImage);
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StartListening();
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}
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nsSVGIDRenderingObserver::~nsSVGIDRenderingObserver()
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{
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StopListening();
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}
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static nsSVGRenderingObserverList *
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GetObserverList(Element *aElement)
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{
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return static_cast<nsSVGRenderingObserverList*>
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(aElement->GetProperty(nsGkAtoms::renderingobserverlist));
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}
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Element*
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nsSVGRenderingObserver::GetReferencedElement()
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{
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Element* target = GetTarget();
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#ifdef DEBUG
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if (target) {
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nsSVGRenderingObserverList *observerList = GetObserverList(target);
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bool inObserverList = observerList && observerList->Contains(this);
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NS_ASSERTION(inObserverList == mInObserverList, "failed to track whether we're in our referenced element's observer list!");
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} else {
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NS_ASSERTION(!mInObserverList, "In whose observer list are we, then?");
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}
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#endif
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if (target && !mInObserverList) {
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nsSVGEffects::AddRenderingObserver(target, this);
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mInObserverList = true;
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}
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return target;
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}
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nsIFrame*
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nsSVGRenderingObserver::GetReferencedFrame()
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{
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Element* referencedElement = GetReferencedElement();
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return referencedElement ? referencedElement->GetPrimaryFrame() : nullptr;
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}
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nsIFrame*
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nsSVGRenderingObserver::GetReferencedFrame(nsIAtom* aFrameType, bool* aOK)
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{
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nsIFrame* frame = GetReferencedFrame();
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if (frame) {
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if (frame->GetType() == aFrameType)
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return frame;
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if (aOK) {
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*aOK = false;
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}
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}
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return nullptr;
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}
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void
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nsSVGIDRenderingObserver::DoUpdate()
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{
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if (mFramePresShell->IsDestroying()) {
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// mFrame is no longer valid. Bail out.
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mFrame = nullptr;
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return;
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}
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if (mElement.get() && mInObserverList) {
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nsSVGEffects::RemoveRenderingObserver(mElement.get(), this);
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mInObserverList = false;
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}
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if (mFrame && mFrame->IsFrameOfType(nsIFrame::eSVG)) {
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// Changes should propagate out to things that might be observing
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// the referencing frame or its ancestors.
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nsSVGEffects::InvalidateRenderingObservers(mFrame);
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}
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}
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void
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nsSVGRenderingObserver::InvalidateViaReferencedElement()
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{
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mInObserverList = false;
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DoUpdate();
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}
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void
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nsSVGRenderingObserver::NotifyEvictedFromRenderingObserverList()
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{
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mInObserverList = false; // We've been removed from rendering-obs. list.
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StopListening(); // Remove ourselves from mutation-obs. list.
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}
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void
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nsSVGRenderingObserver::AttributeChanged(nsIDocument* aDocument,
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dom::Element* aElement,
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int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType)
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{
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// An attribute belonging to the element that we are observing *or one of its
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// descendants* has changed.
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//
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// In the case of observing a gradient element, say, we want to know if any
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// of its 'stop' element children change, but we don't actually want to do
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// anything for changes to SMIL element children, for example. Maybe it's not
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// worth having logic to optimize for that, but in most cases it could be a
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// small check?
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//
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// XXXjwatt: do we really want to blindly break the link between our
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// observers and ourselves for all attribute changes? For non-ID changes
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// surely that is unnecessary.
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DoUpdate();
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}
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void
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nsSVGRenderingObserver::ContentAppended(nsIDocument *aDocument,
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nsIContent *aContainer,
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nsIContent *aFirstNewContent,
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int32_t /* unused */)
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{
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DoUpdate();
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}
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void
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nsSVGRenderingObserver::ContentInserted(nsIDocument *aDocument,
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nsIContent *aContainer,
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nsIContent *aChild,
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int32_t /* unused */)
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{
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DoUpdate();
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}
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void
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nsSVGRenderingObserver::ContentRemoved(nsIDocument *aDocument,
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nsIContent *aContainer,
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nsIContent *aChild,
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int32_t aIndexInContainer,
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nsIContent *aPreviousSibling)
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{
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DoUpdate();
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}
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NS_IMPL_ISUPPORTS_INHERITED1(nsSVGFilterProperty,
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nsSVGIDRenderingObserver,
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nsISVGFilterProperty)
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nsSVGFilterFrame *
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nsSVGFilterProperty::GetFilterFrame()
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{
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return static_cast<nsSVGFilterFrame *>
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(GetReferencedFrame(nsGkAtoms::svgFilterFrame, nullptr));
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}
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static void
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InvalidateAllContinuations(nsIFrame* aFrame)
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{
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for (nsIFrame* f = aFrame; f;
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f = nsLayoutUtils::GetNextContinuationOrSpecialSibling(f)) {
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f->InvalidateFrame();
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}
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}
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void
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nsSVGFilterProperty::DoUpdate()
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{
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nsSVGIDRenderingObserver::DoUpdate();
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if (!mFrame)
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return;
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// Repaint asynchronously in case the filter frame is being torn down
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nsChangeHint changeHint =
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nsChangeHint(nsChangeHint_RepaintFrame);
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// Don't need to request UpdateOverflow if we're being reflowed.
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if (!(mFrame->GetStateBits() & NS_FRAME_IN_REFLOW)) {
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NS_UpdateHint(changeHint, nsChangeHint_UpdateOverflow);
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}
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mFramePresShell->GetPresContext()->RestyleManager()->PostRestyleEvent(
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mFrame->GetContent()->AsElement(), nsRestyleHint(0), changeHint);
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}
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void
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nsSVGMarkerProperty::DoUpdate()
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{
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nsSVGIDRenderingObserver::DoUpdate();
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if (!mFrame)
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return;
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NS_ASSERTION(mFrame->IsFrameOfType(nsIFrame::eSVG), "SVG frame expected");
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// Repaint asynchronously in case the marker frame is being torn down
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nsChangeHint changeHint =
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nsChangeHint(nsChangeHint_RepaintFrame);
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// Don't need to request ReflowFrame if we're being reflowed.
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if (!(mFrame->GetStateBits() & NS_FRAME_IN_REFLOW)) {
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// XXXjwatt: We need to unify SVG into standard reflow so we can just use
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// nsChangeHint_NeedReflow | nsChangeHint_NeedDirtyReflow here.
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nsSVGEffects::InvalidateRenderingObservers(mFrame);
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// XXXSDL KILL THIS!!!
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nsSVGUtils::ScheduleReflowSVG(mFrame);
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}
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mFramePresShell->GetPresContext()->RestyleManager()->PostRestyleEvent(
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mFrame->GetContent()->AsElement(), nsRestyleHint(0), changeHint);
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}
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bool
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nsSVGTextPathProperty::TargetIsValid()
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{
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Element* target = GetTarget();
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return target && target->IsSVG(nsGkAtoms::path);
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}
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void
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nsSVGTextPathProperty::DoUpdate()
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{
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nsSVGIDRenderingObserver::DoUpdate();
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if (!mFrame)
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return;
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NS_ASSERTION(mFrame->IsFrameOfType(nsIFrame::eSVG) || mFrame->IsSVGText(),
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"SVG frame expected");
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// Avoid getting into an infinite loop of reflows if the <textPath> is
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// pointing to one of its ancestors. TargetIsValid returns true iff
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// the target element is a <path> element, and we would not have this
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// nsSVGTextPathProperty if this <textPath> were a descendant of the
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// target <path>.
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//
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// Note that we still have to post the restyle event when we
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// change from being valid to invalid, so that mPositions on the
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// nsSVGTextFrame2 gets updated, skipping the <textPath>, ensuring
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// that nothing gets painted for that element.
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bool nowValid = TargetIsValid();
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if (!mValid && !nowValid) {
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// Just return if we were previously invalid, and are still invalid.
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return;
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}
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mValid = nowValid;
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// Repaint asynchronously in case the path frame is being torn down
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nsChangeHint changeHint =
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nsChangeHint(nsChangeHint_RepaintFrame | nsChangeHint_UpdateTextPath);
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mFramePresShell->GetPresContext()->RestyleManager()->PostRestyleEvent(
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mFrame->GetContent()->AsElement(), nsRestyleHint(0), changeHint);
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}
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void
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nsSVGPaintingProperty::DoUpdate()
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{
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nsSVGIDRenderingObserver::DoUpdate();
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if (!mFrame)
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return;
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if (mFrame->GetStateBits() & NS_FRAME_SVG_LAYOUT) {
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nsSVGEffects::InvalidateRenderingObservers(mFrame);
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mFrame->InvalidateFrameSubtree();
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} else {
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InvalidateAllContinuations(mFrame);
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}
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}
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static nsSVGRenderingObserver *
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CreateFilterProperty(nsIURI *aURI, nsIFrame *aFrame, bool aReferenceImage)
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{ return new nsSVGFilterProperty(aURI, aFrame, aReferenceImage); }
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static nsSVGRenderingObserver *
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CreateMarkerProperty(nsIURI *aURI, nsIFrame *aFrame, bool aReferenceImage)
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{ return new nsSVGMarkerProperty(aURI, aFrame, aReferenceImage); }
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static nsSVGRenderingObserver *
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CreateTextPathProperty(nsIURI *aURI, nsIFrame *aFrame, bool aReferenceImage)
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{ return new nsSVGTextPathProperty(aURI, aFrame, aReferenceImage); }
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static nsSVGRenderingObserver *
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CreatePaintingProperty(nsIURI *aURI, nsIFrame *aFrame, bool aReferenceImage)
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{ return new nsSVGPaintingProperty(aURI, aFrame, aReferenceImage); }
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static nsSVGRenderingObserver *
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GetEffectProperty(nsIURI *aURI, nsIFrame *aFrame,
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const FramePropertyDescriptor *aProperty,
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nsSVGRenderingObserver * (* aCreate)(nsIURI *, nsIFrame *, bool))
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{
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if (!aURI)
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return nullptr;
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FrameProperties props = aFrame->Properties();
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nsSVGRenderingObserver *prop =
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static_cast<nsSVGRenderingObserver*>(props.Get(aProperty));
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if (prop)
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return prop;
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prop = aCreate(aURI, aFrame, false);
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if (!prop)
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return nullptr;
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NS_ADDREF(prop);
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props.Set(aProperty, static_cast<nsISupports*>(prop));
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return prop;
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}
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nsSVGMarkerProperty *
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nsSVGEffects::GetMarkerProperty(nsIURI *aURI, nsIFrame *aFrame,
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const FramePropertyDescriptor *aProp)
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{
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NS_ABORT_IF_FALSE(aFrame->GetType() == nsGkAtoms::svgPathGeometryFrame &&
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static_cast<nsSVGPathGeometryElement*>(aFrame->GetContent())->IsMarkable(),
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"Bad frame");
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return static_cast<nsSVGMarkerProperty*>(
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GetEffectProperty(aURI, aFrame, aProp, CreateMarkerProperty));
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}
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nsSVGTextPathProperty *
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nsSVGEffects::GetTextPathProperty(nsIURI *aURI, nsIFrame *aFrame,
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const FramePropertyDescriptor *aProp)
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{
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return static_cast<nsSVGTextPathProperty*>(
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GetEffectProperty(aURI, aFrame, aProp, CreateTextPathProperty));
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}
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nsSVGPaintingProperty *
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nsSVGEffects::GetPaintingProperty(nsIURI *aURI, nsIFrame *aFrame,
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const FramePropertyDescriptor *aProp)
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{
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return static_cast<nsSVGPaintingProperty*>(
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GetEffectProperty(aURI, aFrame, aProp, CreatePaintingProperty));
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}
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static nsSVGRenderingObserver *
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GetEffectPropertyForURI(nsIURI *aURI, nsIFrame *aFrame,
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const FramePropertyDescriptor *aProperty,
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nsSVGRenderingObserver * (* aCreate)(nsIURI *, nsIFrame *, bool))
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{
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if (!aURI)
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return nullptr;
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FrameProperties props = aFrame->Properties();
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nsSVGEffects::URIObserverHashtable *hashtable =
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static_cast<nsSVGEffects::URIObserverHashtable*>(props.Get(aProperty));
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if (!hashtable) {
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hashtable = new nsSVGEffects::URIObserverHashtable();
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props.Set(aProperty, hashtable);
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}
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nsSVGRenderingObserver* prop =
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static_cast<nsSVGRenderingObserver*>(hashtable->GetWeak(aURI));
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if (!prop) {
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bool watchImage = aProperty == nsSVGEffects::BackgroundImageProperty();
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prop = aCreate(aURI, aFrame, watchImage);
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hashtable->Put(aURI, prop);
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}
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return prop;
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}
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nsSVGPaintingProperty *
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nsSVGEffects::GetPaintingPropertyForURI(nsIURI *aURI, nsIFrame *aFrame,
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const FramePropertyDescriptor *aProp)
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{
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return static_cast<nsSVGPaintingProperty*>(
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GetEffectPropertyForURI(aURI, aFrame, aProp, CreatePaintingProperty));
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}
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nsSVGEffects::EffectProperties
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nsSVGEffects::GetEffectProperties(nsIFrame *aFrame)
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{
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NS_ASSERTION(!aFrame->GetPrevContinuation(), "aFrame should be first continuation");
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EffectProperties result;
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const nsStyleSVGReset *style = aFrame->StyleSVGReset();
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result.mFilter = static_cast<nsSVGFilterProperty*>
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(GetEffectProperty(style->SingleFilter(), aFrame, FilterProperty(),
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CreateFilterProperty));
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result.mClipPath =
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GetPaintingProperty(style->mClipPath, aFrame, ClipPathProperty());
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result.mMask =
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GetPaintingProperty(style->mMask, aFrame, MaskProperty());
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return result;
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}
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nsSVGPaintServerFrame *
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nsSVGEffects::GetPaintServer(nsIFrame *aTargetFrame, const nsStyleSVGPaint *aPaint,
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const FramePropertyDescriptor *aType)
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{
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if (aPaint->mType != eStyleSVGPaintType_Server)
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return nullptr;
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nsIFrame *frame = aTargetFrame->GetContent()->IsNodeOfType(nsINode::eTEXT) ?
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aTargetFrame->GetParent() : aTargetFrame;
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nsSVGPaintingProperty *property =
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nsSVGEffects::GetPaintingProperty(aPaint->mPaint.mPaintServer, frame, aType);
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if (!property)
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return nullptr;
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nsIFrame *result = property->GetReferencedFrame();
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if (!result)
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return nullptr;
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nsIAtom *type = result->GetType();
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if (type != nsGkAtoms::svgLinearGradientFrame &&
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type != nsGkAtoms::svgRadialGradientFrame &&
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type != nsGkAtoms::svgPatternFrame)
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return nullptr;
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return static_cast<nsSVGPaintServerFrame*>(result);
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}
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nsSVGClipPathFrame *
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nsSVGEffects::EffectProperties::GetClipPathFrame(bool *aOK)
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{
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if (!mClipPath)
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return nullptr;
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nsSVGClipPathFrame *frame = static_cast<nsSVGClipPathFrame *>
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(mClipPath->GetReferencedFrame(nsGkAtoms::svgClipPathFrame, aOK));
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if (frame && aOK && *aOK) {
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*aOK = frame->IsValid();
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}
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return frame;
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}
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nsSVGMaskFrame *
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nsSVGEffects::EffectProperties::GetMaskFrame(bool *aOK)
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{
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if (!mMask)
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return nullptr;
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return static_cast<nsSVGMaskFrame *>
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(mMask->GetReferencedFrame(nsGkAtoms::svgMaskFrame, aOK));
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}
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void
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nsSVGEffects::UpdateEffects(nsIFrame *aFrame)
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{
|
|
NS_ASSERTION(aFrame->GetContent()->IsElement(),
|
|
"aFrame's content should be an element");
|
|
|
|
FrameProperties props = aFrame->Properties();
|
|
props.Delete(FilterProperty());
|
|
props.Delete(MaskProperty());
|
|
props.Delete(ClipPathProperty());
|
|
props.Delete(MarkerBeginProperty());
|
|
props.Delete(MarkerMiddleProperty());
|
|
props.Delete(MarkerEndProperty());
|
|
props.Delete(FillProperty());
|
|
props.Delete(StrokeProperty());
|
|
props.Delete(BackgroundImageProperty());
|
|
|
|
// Ensure that the filter is repainted correctly
|
|
// We can't do that in DoUpdate as the referenced frame may not be valid
|
|
GetEffectProperty(aFrame->StyleSVGReset()->SingleFilter(),
|
|
aFrame, FilterProperty(), CreateFilterProperty);
|
|
|
|
if (aFrame->GetType() == nsGkAtoms::svgPathGeometryFrame &&
|
|
static_cast<nsSVGPathGeometryElement*>(aFrame->GetContent())->IsMarkable()) {
|
|
// Set marker properties here to avoid reference loops
|
|
const nsStyleSVG *style = aFrame->StyleSVG();
|
|
GetEffectProperty(style->mMarkerStart, aFrame, MarkerBeginProperty(),
|
|
CreateMarkerProperty);
|
|
GetEffectProperty(style->mMarkerMid, aFrame, MarkerMiddleProperty(),
|
|
CreateMarkerProperty);
|
|
GetEffectProperty(style->mMarkerEnd, aFrame, MarkerEndProperty(),
|
|
CreateMarkerProperty);
|
|
}
|
|
}
|
|
|
|
nsSVGFilterProperty *
|
|
nsSVGEffects::GetFilterProperty(nsIFrame *aFrame)
|
|
{
|
|
NS_ASSERTION(!aFrame->GetPrevContinuation(), "aFrame should be first continuation");
|
|
|
|
if (!aFrame->StyleSVGReset()->SingleFilter())
|
|
return nullptr;
|
|
|
|
return static_cast<nsSVGFilterProperty *>
|
|
(aFrame->Properties().Get(FilterProperty()));
|
|
}
|
|
|
|
static PLDHashOperator
|
|
GatherEnumerator(nsPtrHashKey<nsSVGRenderingObserver>* aEntry, void* aArg)
|
|
{
|
|
nsTArray<nsSVGRenderingObserver*>* array =
|
|
static_cast<nsTArray<nsSVGRenderingObserver*>*>(aArg);
|
|
array->AppendElement(aEntry->GetKey());
|
|
|
|
return PL_DHASH_REMOVE;
|
|
}
|
|
|
|
static PLDHashOperator
|
|
GatherEnumeratorForReflow(nsPtrHashKey<nsSVGRenderingObserver>* aEntry, void* aArg)
|
|
{
|
|
if (!aEntry->GetKey()->ObservesReflow()) {
|
|
return PL_DHASH_NEXT;
|
|
}
|
|
|
|
nsTArray<nsSVGRenderingObserver*>* array =
|
|
static_cast<nsTArray<nsSVGRenderingObserver*>*>(aArg);
|
|
array->AppendElement(aEntry->GetKey());
|
|
|
|
return PL_DHASH_REMOVE;
|
|
}
|
|
|
|
void
|
|
nsSVGRenderingObserverList::InvalidateAll()
|
|
{
|
|
if (mObservers.Count() == 0)
|
|
return;
|
|
|
|
nsAutoTArray<nsSVGRenderingObserver*,10> observers;
|
|
|
|
// The PL_DHASH_REMOVE in GatherEnumerator drops all our observers here:
|
|
mObservers.EnumerateEntries(GatherEnumerator, &observers);
|
|
|
|
for (uint32_t i = 0; i < observers.Length(); ++i) {
|
|
observers[i]->InvalidateViaReferencedElement();
|
|
}
|
|
}
|
|
|
|
void
|
|
nsSVGRenderingObserverList::InvalidateAllForReflow()
|
|
{
|
|
if (mObservers.Count() == 0)
|
|
return;
|
|
|
|
nsAutoTArray<nsSVGRenderingObserver*,10> observers;
|
|
|
|
// The PL_DHASH_REMOVE in GatherEnumerator drops all our observers here:
|
|
mObservers.EnumerateEntries(GatherEnumeratorForReflow, &observers);
|
|
|
|
for (uint32_t i = 0; i < observers.Length(); ++i) {
|
|
observers[i]->InvalidateViaReferencedElement();
|
|
}
|
|
}
|
|
|
|
void
|
|
nsSVGRenderingObserverList::RemoveAll()
|
|
{
|
|
nsAutoTArray<nsSVGRenderingObserver*,10> observers;
|
|
|
|
// The PL_DHASH_REMOVE in GatherEnumerator drops all our observers here:
|
|
mObservers.EnumerateEntries(GatherEnumerator, &observers);
|
|
|
|
// Our list is now cleared. We need to notify the observers we've removed,
|
|
// so they can update their state & remove themselves as mutation-observers.
|
|
for (uint32_t i = 0; i < observers.Length(); ++i) {
|
|
observers[i]->NotifyEvictedFromRenderingObserverList();
|
|
}
|
|
}
|
|
|
|
static void
|
|
DestroyObservers(void *aObject, nsIAtom *aPropertyName,
|
|
void *aPropertyValue, void *aData)
|
|
{
|
|
delete static_cast<nsSVGRenderingObserverList*>(aPropertyValue);
|
|
}
|
|
|
|
void
|
|
nsSVGEffects::AddRenderingObserver(Element *aElement, nsSVGRenderingObserver *aObserver)
|
|
{
|
|
nsSVGRenderingObserverList *observerList = GetObserverList(aElement);
|
|
if (!observerList) {
|
|
observerList = new nsSVGRenderingObserverList();
|
|
if (!observerList)
|
|
return;
|
|
aElement->SetProperty(nsGkAtoms::renderingobserverlist, observerList, DestroyObservers);
|
|
}
|
|
aElement->SetHasRenderingObservers(true);
|
|
observerList->Add(aObserver);
|
|
}
|
|
|
|
void
|
|
nsSVGEffects::RemoveRenderingObserver(Element *aElement, nsSVGRenderingObserver *aObserver)
|
|
{
|
|
nsSVGRenderingObserverList *observerList = GetObserverList(aElement);
|
|
if (observerList) {
|
|
NS_ASSERTION(observerList->Contains(aObserver),
|
|
"removing observer from an element we're not observing?");
|
|
observerList->Remove(aObserver);
|
|
if (observerList->IsEmpty()) {
|
|
aElement->SetHasRenderingObservers(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsSVGEffects::RemoveAllRenderingObservers(Element *aElement)
|
|
{
|
|
nsSVGRenderingObserverList *observerList = GetObserverList(aElement);
|
|
if (observerList) {
|
|
observerList->RemoveAll();
|
|
aElement->SetHasRenderingObservers(false);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsSVGEffects::InvalidateRenderingObservers(nsIFrame *aFrame)
|
|
{
|
|
NS_ASSERTION(!aFrame->GetPrevContinuation(), "aFrame must be first continuation");
|
|
|
|
if (!aFrame->GetContent()->IsElement())
|
|
return;
|
|
|
|
nsSVGRenderingObserverList *observerList =
|
|
GetObserverList(aFrame->GetContent()->AsElement());
|
|
if (observerList) {
|
|
observerList->InvalidateAll();
|
|
return;
|
|
}
|
|
|
|
// Check ancestor SVG containers. The root frame cannot be of type
|
|
// eSVGContainer so we don't have to check f for null here.
|
|
for (nsIFrame *f = aFrame->GetParent();
|
|
f->IsFrameOfType(nsIFrame::eSVGContainer); f = f->GetParent()) {
|
|
if (f->GetContent()->IsElement()) {
|
|
observerList = GetObserverList(f->GetContent()->AsElement());
|
|
if (observerList) {
|
|
observerList->InvalidateAll();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsSVGEffects::InvalidateDirectRenderingObservers(Element *aElement, uint32_t aFlags /* = 0 */)
|
|
{
|
|
if (aElement->HasRenderingObservers()) {
|
|
nsSVGRenderingObserverList *observerList = GetObserverList(aElement);
|
|
if (observerList) {
|
|
if (aFlags & INVALIDATE_REFLOW) {
|
|
observerList->InvalidateAllForReflow();
|
|
} else {
|
|
observerList->InvalidateAll();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsSVGEffects::InvalidateDirectRenderingObservers(nsIFrame *aFrame, uint32_t aFlags /* = 0 */)
|
|
{
|
|
if (aFrame->GetContent() && aFrame->GetContent()->IsElement()) {
|
|
InvalidateDirectRenderingObservers(aFrame->GetContent()->AsElement(), aFlags);
|
|
}
|
|
}
|