From 0a9acadccafe04aa5bc3335523bb55fe52ca8e50 Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Mon, 23 Apr 2018 09:16:50 +0200
Subject: moebius#121: DOM - Selection API - getSelection() should exist on
 XMLDocument / Selection.type

https://github.com/MoonchildProductions/moebius/pull/121
---
 dom/base/nsDocument.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

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

diff --git a/dom/base/nsDocument.cpp b/dom/base/nsDocument.cpp
index eaea49b02..d5954a62c 100644
--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -12846,3 +12846,19 @@ nsDocument::CheckCustomElementName(const ElementCreationOptions& aOptions,
 
   return is;
 }
+
+Selection*
+nsIDocument::GetSelection(ErrorResult& aRv)
+{
+  nsCOMPtr<nsPIDOMWindowInner> window = GetInnerWindow();
+  if (!window) {
+    return nullptr;
+  }
+
+  NS_ASSERTION(window->IsInnerWindow(), "Should have inner window here!");
+  if (!window->IsCurrentInnerWindow()) {
+    return nullptr;
+  }
+
+  return nsGlobalWindow::Cast(window)->GetSelection(aRv);
+}
-- 
cgit v1.2.3


From eae8d21428acdb3fb842df091ded0eb276bcaaaa Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Tue, 24 Apr 2018 21:39:13 +0200
Subject: moebius#138: Optimize operations on root of deeply-nested frame tree

https://github.com/MoonchildProductions/moebius/pull/138
---
 dom/base/nsDocument.cpp | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

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

diff --git a/dom/base/nsDocument.cpp b/dom/base/nsDocument.cpp
index d5954a62c..fd3b52948 100644
--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -2054,10 +2054,17 @@ nsDocument::ResetToURI(nsIURI *aURI, nsILoadGroup *aLoadGroup,
         mFirstChild = content->GetNextSibling();
       }
       mChildren.RemoveChildAt(i);
+      if (content == mCachedRootElement) {
+        // Immediately clear mCachedRootElement, now that it's been removed
+        // from mChildren, so that GetRootElement() will stop returning this
+        // now-stale value.
+        mCachedRootElement = nullptr;
+      }
       nsNodeUtils::ContentRemoved(this, content, i, previousSibling);
       content->UnbindFromTree();
     }
-    mCachedRootElement = nullptr;
+    MOZ_ASSERT(!mCachedRootElement,
+               "After removing all children, there should be no root elem");
   }
   mInUnlinkOrDeletion = oldVal;
 
@@ -3913,8 +3920,18 @@ nsDocument::RemoveChildAt(uint32_t aIndex, bool aNotify)
     DestroyElementMaps();
   }
 
-  doRemoveChildAt(aIndex, aNotify, oldKid, mChildren);
+  // Preemptively clear mCachedRootElement, since we may be about to remove it
+  // from our child list, and we don't want to return this maybe-obsolete value
+  // from any GetRootElement() calls that happen inside of doRemoveChildAt().
+  // (NOTE: for this to be useful, doRemoveChildAt() must NOT trigger any
+  // GetRootElement() calls until after it's removed the child from mChildren.
+  // Any call before that point would restore this soon-to-be-obsolete cached
+  // answer, and our clearing here would be fruitless.)
   mCachedRootElement = nullptr;
+  doRemoveChildAt(aIndex, aNotify, oldKid, mChildren);
+  MOZ_ASSERT(mCachedRootElement != oldKid,
+             "Stale pointer in mCachedRootElement, after we tried to clear it "
+             "(maybe somebody called GetRootElement() too early?)");
 }
 
 void
-- 
cgit v1.2.3


From 8b71cda1956ab640ad76bea36e7971476aa78bcf Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Wed, 27 Jun 2018 16:00:53 +0200
Subject: Stabilize and align Intersection Observers

- Fixes several crashes
- Aligns the feature with the W3C WD spec

Tag #249
---
 dom/base/nsDocument.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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

diff --git a/dom/base/nsDocument.cpp b/dom/base/nsDocument.cpp
index fd3b52948..8acfd901a 100644
--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -12507,7 +12507,8 @@ nsDocument::ScheduleIntersectionObserverNotification()
 void
 nsDocument::NotifyIntersectionObservers()
 {
-  for (const auto& observer : mIntersectionObservers) {
+  nsTArray<RefPtr<DOMIntersectionObserver>> observers(mIntersectionObservers);
+  for (const auto& observer : observers) {
     observer->Notify();
   }
 }
-- 
cgit v1.2.3