From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 dom/base/DocGroup.h | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 dom/base/DocGroup.h

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

diff --git a/dom/base/DocGroup.h b/dom/base/DocGroup.h
new file mode 100644
index 000000000..f4f7ac8ad
--- /dev/null
+++ b/dom/base/DocGroup.h
@@ -0,0 +1,79 @@
+/* -*- 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 DocGroup_h
+#define DocGroup_h
+
+#include "nsISupports.h"
+#include "nsISupportsImpl.h"
+#include "nsIPrincipal.h"
+#include "nsTHashtable.h"
+#include "nsString.h"
+
+#include "mozilla/RefPtr.h"
+
+namespace mozilla {
+namespace dom {
+
+// Two browsing contexts are considered "related" if they are reachable from one
+// another through window.opener, window.parent, or window.frames. This is the
+// spec concept of a "unit of related browsing contexts"
+//
+// Two browsing contexts are considered "similar-origin" if they can be made to
+// have the same origin by setting document.domain. This is the spec concept of
+// a "unit of similar-origin related browsing contexts"
+//
+// A TabGroup is a set of browsing contexts which are all "related". Within a
+// TabGroup, browsing contexts are broken into "similar-origin" DocGroups. In
+// more detail, a DocGroup is actually a collection of documents, and a
+// TabGroup is a collection of DocGroups. A TabGroup typically will contain
+// (through its DocGroups) the documents from one or more tabs related by
+// window.opener. A DocGroup is a member of exactly one TabGroup.
+
+class TabGroup;
+
+class DocGroup final : public nsISupports
+{
+public:
+  typedef nsTArray<nsIDocument*>::iterator Iterator;
+  friend class TabGroup;
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+
+  static void GetKey(nsIPrincipal* aPrincipal, nsACString& aString);
+  bool MatchesKey(const nsACString& aKey)
+  {
+    return aKey == mKey;
+  }
+  TabGroup* GetTabGroup()
+  {
+    return mTabGroup;
+  }
+  void RemoveDocument(nsIDocument* aWindow);
+
+  // Iterators for iterating over every document within the DocGroup
+  Iterator begin()
+  {
+    return mDocuments.begin();
+  }
+  Iterator end()
+  {
+    return mDocuments.end();
+  }
+
+private:
+  DocGroup(TabGroup* aTabGroup, const nsACString& aKey);
+  ~DocGroup();
+
+  nsCString mKey;
+  RefPtr<TabGroup> mTabGroup;
+  nsTArray<nsIDocument*> mDocuments;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // defined(DocGroup_h)
-- 
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