From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 layout/inspector/inDeepTreeWalker.h | 61 +++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 layout/inspector/inDeepTreeWalker.h

(limited to 'layout/inspector/inDeepTreeWalker.h')

diff --git a/layout/inspector/inDeepTreeWalker.h b/layout/inspector/inDeepTreeWalker.h
new file mode 100644
index 0000000000..b421e0831b
--- /dev/null
+++ b/layout/inspector/inDeepTreeWalker.h
@@ -0,0 +1,61 @@
+/* -*- 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/. */
+
+#ifndef __inDeepTreeWalker_h___
+#define __inDeepTreeWalker_h___
+
+#include "inIDeepTreeWalker.h"
+
+#include "nsCOMPtr.h"
+#include "nsINode.h"
+#include "nsTArray.h"
+
+class nsINodeList;
+
+class inDeepTreeWalker final : public inIDeepTreeWalker {
+ public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_INIDEEPTREEWALKER
+
+  inDeepTreeWalker();
+
+  using ChildList = AutoTArray<RefPtr<nsINode>, 8>;
+  void GetChildren(nsINode& aParent, ChildList&);
+
+ protected:
+  virtual ~inDeepTreeWalker();
+
+  already_AddRefed<nsINode> GetParent();
+  nsresult EdgeChild(nsINode** _retval, bool aReverse);
+
+  bool mShowAnonymousContent = false;
+  bool mShowSubDocuments = false;
+  bool mShowDocumentsAsNodes = false;
+
+  // The root node. previousNode and parentNode will return
+  // null from here.
+  nsCOMPtr<nsINode> mRoot;
+  nsCOMPtr<nsINode> mCurrentNode;
+
+  // We cache the siblings of mCurrentNode as a list of nodes.
+  // Notes: normally siblings are all the children of the parent
+  // of mCurrentNode (that are interesting for use for the walk)
+  // and mCurrentIndex is the index of mCurrentNode in that list
+  ChildList mSiblings;
+
+  // Index of mCurrentNode in the mSiblings list.
+  int32_t mCurrentIndex = -1;
+};
+
+// {BFCB82C2-5611-4318-90D6-BAF4A7864252}
+#define IN_DEEPTREEWALKER_CID                        \
+  {                                                  \
+    0xbfcb82c2, 0x5611, 0x4318, {                    \
+      0x90, 0xd6, 0xba, 0xf4, 0xa7, 0x86, 0x42, 0x52 \
+    }                                                \
+  }
+
+#endif  // __inDeepTreeWalker_h___
-- 
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