1 files changed, 141 insertions, 0 deletions
diff --git a/layout/xul/nsDocElementBoxFrame.cpp b/layout/xul/nsDocElementBoxFrame.cpp
new file mode 100644
index 0000000000..cf9f72cb2e
--- /dev/null
+++ b/layout/xul/nsDocElementBoxFrame.cpp
@@ -0,0 +1,141 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/PresShell.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/dom/Element.h"
+#include "mozilla/dom/FromParser.h"
+#include "mozilla/dom/NodeInfo.h"
+#include "nsHTMLParts.h"
+#include "nsContainerFrame.h"
+#include "nsCSSRendering.h"
+#include "nsPageFrame.h"
+#include "nsStyleConsts.h"
+#include "nsGkAtoms.h"
+#include "nsBoxFrame.h"
+#include "nsStackLayout.h"
+#include "nsIAnonymousContentCreator.h"
+#include "nsNodeInfoManager.h"
+#include "nsContentCreatorFunctions.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+class nsDocElementBoxFrame final : public nsBoxFrame,
+                                   public nsIAnonymousContentCreator {
+ public:
+  virtual void DestroyFrom(nsIFrame* aDestructRoot,
+                           PostDestroyData& aPostDestroyData) override;
+
+  friend nsIFrame* NS_NewBoxFrame(mozilla::PresShell* aPresShell,
+                                  ComputedStyle* aStyle);
+
+  explicit nsDocElementBoxFrame(ComputedStyle* aStyle,
+                                nsPresContext* aPresContext)
+      : nsBoxFrame(aStyle, aPresContext, kClassID, true) {}
+
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS(nsDocElementBoxFrame)
+
+  // nsIAnonymousContentCreator
+  virtual nsresult CreateAnonymousContent(
+      nsTArray<ContentInfo>& aElements) override;
+  virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
+                                        uint32_t aFilter) override;
+
+  virtual bool IsFrameOfType(uint32_t aFlags) const override {
+    // Override nsBoxFrame.
+    if (aFlags & (nsIFrame::eReplacedContainsBlock | nsIFrame::eReplaced))
+      return false;
+    return nsBoxFrame::IsFrameOfType(aFlags);
+  }
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+ private:
+  nsCOMPtr<Element> mPopupgroupContent;
+  nsCOMPtr<Element> mTooltipContent;
+};
+
+//----------------------------------------------------------------------
+
+nsContainerFrame* NS_NewDocElementBoxFrame(PresShell* aPresShell,
+                                           ComputedStyle* aStyle) {
+  return new (aPresShell)
+      nsDocElementBoxFrame(aStyle, aPresShell->GetPresContext());
+}
+
+NS_IMPL_FRAMEARENA_HELPERS(nsDocElementBoxFrame)
+
+void nsDocElementBoxFrame::DestroyFrom(nsIFrame* aDestructRoot,
+                                       PostDestroyData& aPostDestroyData) {
+  aPostDestroyData.AddAnonymousContent(mPopupgroupContent.forget());
+  aPostDestroyData.AddAnonymousContent(mTooltipContent.forget());
+  nsBoxFrame::DestroyFrom(aDestructRoot, aPostDestroyData);
+}
+
+nsresult nsDocElementBoxFrame::CreateAnonymousContent(
+    nsTArray<ContentInfo>& aElements) {
+  Document* doc = mContent->GetComposedDoc();
+  if (!doc) {
+    // The page is currently being torn down.  Why bother.
+    return NS_ERROR_FAILURE;
+  }
+  nsNodeInfoManager* nodeInfoManager = doc->NodeInfoManager();
+
+  // create the top-secret popupgroup node. shhhhh!
+  RefPtr<NodeInfo> nodeInfo;
+  nodeInfo = nodeInfoManager->GetNodeInfo(
+      nsGkAtoms::popupgroup, nullptr, kNameSpaceID_XUL, nsINode::ELEMENT_NODE);
+  NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
+
+  nsresult rv = NS_NewXULElement(getter_AddRefs(mPopupgroupContent),
+                                 nodeInfo.forget(), dom::NOT_FROM_PARSER);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  // XXX(Bug 1631371) Check if this should use a fallible operation as it
+  // pretended earlier.
+  aElements.AppendElement(mPopupgroupContent);
+
+  // create the top-secret default tooltip node. shhhhh!
+  nodeInfo = nodeInfoManager->GetNodeInfo(
+      nsGkAtoms::tooltip, nullptr, kNameSpaceID_XUL, nsINode::ELEMENT_NODE);
+  NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
+
+  rv = NS_NewXULElement(getter_AddRefs(mTooltipContent), nodeInfo.forget(),
+                        dom::NOT_FROM_PARSER);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  mTooltipContent->SetAttr(kNameSpaceID_None, nsGkAtoms::_default, u"true"_ns,
+                           false);
+
+  // XXX(Bug 1631371) Check if this should use a fallible operation as it
+  // pretended earlier.
+  aElements.AppendElement(mTooltipContent);
+
+  return NS_OK;
+}
+
+void nsDocElementBoxFrame::AppendAnonymousContentTo(
+    nsTArray<nsIContent*>& aElements, uint32_t aFilter) {
+  if (mPopupgroupContent) {
+    aElements.AppendElement(mPopupgroupContent);
+  }
+
+  if (mTooltipContent) {
+    aElements.AppendElement(mTooltipContent);
+  }
+}
+
+NS_QUERYFRAME_HEAD(nsDocElementBoxFrame)
+  NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
+NS_QUERYFRAME_TAIL_INHERITING(nsBoxFrame)
+
+#ifdef DEBUG_FRAME_DUMP
+nsresult nsDocElementBoxFrame::GetFrameName(nsAString& aResult) const {
+  return MakeFrameName(u"DocElementBox"_ns, aResult);
+}
+#endif