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Optimise WebExtension implementaion pt.1

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wuggy 2026-08-07 13:09:19 -07:00
commit 3be08bc94b
3 changed files with 22 additions and 19 deletions
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3
dom/base/CustomElementRegistry.cpp
View file

@ -1278,6 +1278,9 @@ CustomElementDefinition::CustomElementDefinition(nsIAtom* aType,
mCallbacks(aCallbacks),
mDocOrder(aDocOrder)
{
for (uint32_t i = 0; i < mObservedAttributes.Length(); ++i) {
mObservedAttributesSet.PutEntry(mObservedAttributes[i]);
}
}
//-----------------------------------------------------

7
dom/base/CustomElementRegistry.h
View file

@ -16,6 +16,8 @@
#include "mozilla/dom/WebComponentsBinding.h"
#include "nsCycleCollectionParticipant.h"
#include "nsGenericHTMLElement.h"
#include "nsHashKeys.h"
#include "nsTHashtable.h"
#include "nsWrapperCache.h"
class nsDocument;
@ -166,6 +168,9 @@ struct CustomElementDefinition
// The list of attributes that this custom element observes.
nsCOMArray<nsIAtom> mObservedAttributes;
// Hash set for O(1) lookup of observed attributes.
nsTHashtable<nsISupportsHashKey> mObservedAttributesSet;
// The prototype to use for new custom elements of this type.
JS::Heap<JSObject *> mPrototype;
@ -189,7 +194,7 @@ struct CustomElementDefinition
return false;
}
return mObservedAttributes.Contains(aName);
return mObservedAttributesSet.Contains(aName);
}
private:

31
dom/base/ShadowRoot.cpp
View file

@ -136,7 +136,7 @@ ShadowRoot::AddSlot(HTMLSlotElement* aSlot)
MOZ_ASSERT(aSlot);
// Note that if name attribute missing, the slot is a default slot.
nsAutoString name;
nsAutoString name;
aSlot->GetName(name);
nsTArray<HTMLSlotElement*>* currentSlots = mSlotMap.LookupOrAdd(name);
@ -162,25 +162,14 @@ ShadowRoot::AddSlot(HTMLSlotElement* aSlot)
oldSlot->RemoveAssignedNode(assignedNode);
currentSlot->AppendAssignedNode(assignedNode);
Element* restyleElement;
if (assignedNode->IsElement()) {
restyleElement = assignedNode->AsElement();
} else {
// This is likely a text node. Use the host instead.
restyleElement = GetHost();
}
if (restyleElement) {
nsLayoutUtils::PostRestyleEvent(
restyleElement, eRestyle_Subtree, nsChangeHint(0));
}
doEnqueueSlotChange = true;
}
if (doEnqueueSlotChange) {
oldSlot->EnqueueSlotChangeEvent();
currentSlot->EnqueueSlotChangeEvent();
nsLayoutUtils::PostRestyleEvent(
GetHost(), eRestyle_Subtree, nsChangeHint(0));
}
} else {
// Otherwise add appropriate nodes to this slot from the host.
@ -475,7 +464,10 @@ ShadowRoot::MaybeReassignElement(Element* aElement,
void
ShadowRoot::DistributionChanged()
{
// FIXME(emilio): We could be more granular in a bunch of cases.
if (mSlotMap.IsEmpty()) {
return;
}
auto* host = GetHost();
if (!host || !host->IsInComposedDoc()) {
return;
@ -551,8 +543,11 @@ ShadowRoot::AttributeChanged(nsIDocument* aDocument,
return;
}
//XXX optimize this!
shell->DestroyFramesForAndRestyle(aElement);
if (aElement->GetPrimaryFrame()) {
shell->DestroyFramesForAndRestyle(aElement);
} else {
nsLayoutUtils::PostRestyleEvent(aElement, eRestyle_Subtree, nsChangeHint(0));
}
}
void
@ -564,7 +559,7 @@ ShadowRoot::ContentAppended(nsIDocument* aDocument,
for (nsIContent* content = aFirstNewContent;
content;
content = content->GetNextSibling()) {
ContentInserted(aDocument, aContainer, aFirstNewContent, aNewIndexInContainer);
ContentInserted(aDocument, aContainer, content, aNewIndexInContainer);
}
}