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authorMatt A. Tobin <email@mattatobin.com>2020-04-17 07:35:48 -0400
committerMatt A. Tobin <email@mattatobin.com>2020-04-17 07:35:48 -0400
commit3508e79b1fe7fc928eed2f3c7bf2d628c53fbf17 (patch)
treec793eb598816afa68a560c4224b06ca15b8ad55c /dom/base/DocGroup.h
parentf164962a3dc53f4823dfff6c77e7972c72d4c61f (diff)
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Bug 1409976 - Add `slotchange` event
* Add support for `slotchange` event * Signal `slotchange` when slot's assigned nodes changes Tag #1375
Diffstat (limited to 'dom/base/DocGroup.h')
-rw-r--r--dom/base/DocGroup.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/dom/base/DocGroup.h b/dom/base/DocGroup.h
index 5b8f627cc..7a5a99dce 100644
--- a/dom/base/DocGroup.h
+++ b/dom/base/DocGroup.h
@@ -15,6 +15,7 @@
#include "mozilla/RefPtr.h"
#include "mozilla/dom/CustomElementRegistry.h"
+#include "mozilla/dom/HTMLSlotElement.h"
namespace mozilla {
namespace dom {
@@ -73,6 +74,23 @@ public:
return mDocuments.end();
}
+ // Append aSlot to the list of signal slot list, if it's not in it already
+ // list, and queue a mutation observer microtask.
+ void SignalSlotChange(const mozilla::dom::HTMLSlotElement* aSlot);
+
+ const nsTArray<RefPtr<HTMLSlotElement>>& SignalSlotList() const
+ {
+ return mSignalSlotList;
+ }
+
+ void ClearSignalSlotList()
+ {
+ mSignalSlotList.Clear();
+ }
+
+ // List of DocGroups that has non-empty signal slot list.
+ static AutoTArray<RefPtr<DocGroup>, 2>* sPendingDocGroups;
+
private:
DocGroup(TabGroup* aTabGroup, const nsACString& aKey);
~DocGroup();
@@ -81,6 +99,7 @@ private:
RefPtr<TabGroup> mTabGroup;
nsTArray<nsIDocument*> mDocuments;
RefPtr<mozilla::dom::CustomElementReactionsStack> mReactionsStack;
+ nsTArray<RefPtr<HTMLSlotElement>> mSignalSlotList;
};
} // namespace dom