From 3508e79b1fe7fc928eed2f3c7bf2d628c53fbf17 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Fri, 17 Apr 2020 07:35:48 -0400
Subject: Bug 1409976 - Add `slotchange` event

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

Tag #1375
---
 dom/base/DocGroup.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'dom/base/DocGroup.cpp')

diff --git a/dom/base/DocGroup.cpp b/dom/base/DocGroup.cpp
index 30c058f0c..826a71812 100644
--- a/dom/base/DocGroup.cpp
+++ b/dom/base/DocGroup.cpp
@@ -6,10 +6,13 @@
 #include "mozilla/StaticPtr.h"
 #include "mozilla/ClearOnShutdown.h"
 #include "nsIDocShell.h"
+#include "nsDOMMutationObserver.h"
 
 namespace mozilla {
 namespace dom {
 
+AutoTArray<RefPtr<DocGroup>, 2>* DocGroup::sPendingDocGroups = nullptr;
+
 /* static */ void
 DocGroup::GetKey(nsIPrincipal* aPrincipal, nsACString& aKey)
 {
@@ -54,5 +57,23 @@ DocGroup::~DocGroup()
 
 NS_IMPL_ISUPPORTS(DocGroup, nsISupports)
 
+void
+DocGroup::SignalSlotChange(const HTMLSlotElement* aSlot)
+{
+  if (mSignalSlotList.Contains(aSlot)) {
+    return;
+  }
+
+  mSignalSlotList.AppendElement(const_cast<HTMLSlotElement*>(aSlot));
+
+  if (!sPendingDocGroups) {
+    // Queue a mutation observer compound microtask.
+    nsDOMMutationObserver::QueueMutationObserverMicroTask();
+    sPendingDocGroups = new AutoTArray<RefPtr<DocGroup>, 2>;
+  }
+
+  sPendingDocGroups->AppendElement(this);
+}
+
 }
 }
-- 
cgit v1.2.3


From 16dba9a30b849c9381fab5fe53b722c7901e5283 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Fri, 17 Apr 2020 07:40:32 -0400
Subject: Issue #80 - De-unify dom/base

Tag #1375
---
 dom/base/DocGroup.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'dom/base/DocGroup.cpp')

diff --git a/dom/base/DocGroup.cpp b/dom/base/DocGroup.cpp
index 826a71812..5d7db1fb6 100644
--- a/dom/base/DocGroup.cpp
+++ b/dom/base/DocGroup.cpp
@@ -1,3 +1,7 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 #include "mozilla/dom/DocGroup.h"
 #include "mozilla/dom/TabGroup.h"
 #include "mozilla/Telemetry.h"
@@ -7,6 +11,7 @@
 #include "mozilla/ClearOnShutdown.h"
 #include "nsIDocShell.h"
 #include "nsDOMMutationObserver.h"
+#include "nsNetCID.h"
 
 namespace mozilla {
 namespace dom {
-- 
cgit v1.2.3