wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-09-03 22:38:41 +09:00
Code Issues Projects Releases Packages Wiki Activity

Bug 1409976 - Add slotchange event

Browse source 
* Add support for `slotchange` event
* Signal `slotchange` when slot's assigned nodes changes

Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-17 07:35:48 -04:00 • committed by Roy Tam
commit af22b5cba5
9 changed files with 174 additions and 160 deletions
Download patch file Download diff file Expand all files Collapse all files

46
dom/base/nsDOMMutationObserver.cpp
View file

@ -12,6 +12,7 @@
#include "mozilla/dom/Animation.h"
#include "mozilla/dom/KeyframeEffectReadOnly.h"
#include "mozilla/dom/DocGroup.h"
#include "nsContentUtils.h"
#include "nsCSSPseudoElements.h"
@ -609,6 +610,28 @@ public:
}
};
/* static */ void
nsDOMMutationObserver::QueueMutationObserverMicroTask()
{
CycleCollectedJSContext* ccjs = CycleCollectedJSContext::Get();
if (!ccjs) {
return;
}
RefPtr<MutationObserverMicroTask> momt =
new MutationObserverMicroTask();
ccjs->DispatchMicroTaskRunnable(momt.forget());
}
void
nsDOMMutationObserver::HandleMutations(mozilla::AutoSlowOperation& aAso)
{
if (sScheduledMutationObservers ||
mozilla::dom::DocGroup::sPendingDocGroups) {
HandleMutationsInternal(aAso);
}
}
void
nsDOMMutationObserver::RescheduleForRun()
{
@ -887,7 +910,23 @@ nsDOMMutationObserver::HandleMutationsInternal(AutoSlowOperation& aAso)
{
nsTArray<RefPtr<nsDOMMutationObserver> >* suppressedObservers = nullptr;
while (sScheduledMutationObservers) {
// Let signalList be a copy of unit of related similar-origin browsing
// contexts' signal slot list.
nsTArray<RefPtr<HTMLSlotElement>> signalList;
if (DocGroup::sPendingDocGroups) {
for (uint32_t i = 0; i < DocGroup::sPendingDocGroups->Length(); ++i) {
DocGroup* docGroup = DocGroup::sPendingDocGroups->ElementAt(i);
signalList.AppendElements(docGroup->SignalSlotList());
// Empty unit of related similar-origin browsing contexts' signal slot
// list.
docGroup->ClearSignalSlotList();
}
delete DocGroup::sPendingDocGroups;
DocGroup::sPendingDocGroups = nullptr;
}
if (sScheduledMutationObservers) {
AutoTArray<RefPtr<nsDOMMutationObserver>, 4>* observers =
sScheduledMutationObservers;
sScheduledMutationObservers = nullptr;
@ -917,6 +956,11 @@ nsDOMMutationObserver::HandleMutationsInternal(AutoSlowOperation& aAso)
delete suppressedObservers;
suppressedObservers = nullptr;
}
// Fire slotchange event for each slot in signalList.
for (uint32_t i = 0; i < signalList.Length(); ++i) {
signalList[i]->FireSlotChangeEvent();
}
}
nsDOMMutationRecord*