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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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"
#include "mozilla/dom/CustomElementRegistry.h"
#include "mozilla/dom/HTMLSlotElement.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;
}
mozilla::dom::CustomElementReactionsStack* CustomElementReactionsStack()
{
if (!mReactionsStack) {
mReactionsStack = new mozilla::dom::CustomElementReactionsStack();
}
return mReactionsStack;
}
void RemoveDocument(nsIDocument* aWindow);
// Iterators for iterating over every document within the DocGroup
Iterator begin()
{
return mDocuments.begin();
}
Iterator end()
{
return mDocuments.end();
}
// Append aSlot to the list of signal slot list, if it's not in it already
// list, and queue a mutation observer microtask.
void SignalSlotChange(const mozilla::dom::HTMLSlotElement* aSlot);
const nsTArray<RefPtr<HTMLSlotElement>>& SignalSlotList() const
{
return mSignalSlotList;
}
void ClearSignalSlotList()
{
mSignalSlotList.Clear();
}
// List of DocGroups that has non-empty signal slot list.
static AutoTArray<RefPtr<DocGroup>, 2>* sPendingDocGroups;
private:
DocGroup(TabGroup* aTabGroup, const nsACString& aKey);
~DocGroup();
nsCString mKey;
RefPtr<TabGroup> mTabGroup;
nsTArray<nsIDocument*> mDocuments;
RefPtr<mozilla::dom::CustomElementReactionsStack> mReactionsStack;
nsTArray<RefPtr<HTMLSlotElement>> mSignalSlotList;
};
} // namespace dom
} // namespace mozilla
#endif // defined(DocGroup_h)
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