diff options
Diffstat (limited to 'dom/base/nsContentUtils.cpp')
| -rw-r--r-- | dom/base/nsContentUtils.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/dom/base/nsContentUtils.cpp b/dom/base/nsContentUtils.cpp index 038da24b4..62be71b4a 100644 --- a/dom/base/nsContentUtils.cpp +++ b/dom/base/nsContentUtils.cpp @@ -44,6 +44,7 @@ #include "mozilla/dom/Element.h" #include "mozilla/dom/FileSystemSecurity.h" #include "mozilla/dom/HTMLMediaElement.h" +#include "mozilla/dom/HTMLSlotElement.h" #include "mozilla/dom/HTMLTemplateElement.h" #include "mozilla/dom/ipc/BlobChild.h" #include "mozilla/dom/ipc/BlobParent.h" @@ -7053,6 +7054,13 @@ nsContentUtils::HasDistributedChildren(nsIContent* aContent) return true; } + HTMLSlotElement* slotEl = HTMLSlotElement::FromContent(aContent); + if (slotEl && slotEl->GetContainingShadow()) { + // Children of a slot are rendered if the slot does not have any assigned + // nodes (fallback content). + return slotEl->AssignedNodes().IsEmpty(); + } + return false; } |