mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-23 12:51:06 +00:00
267ec889a9
This is somewhat complex, untested, never shipped, and predates fission. Remove it to simplify the code. Depends on D198183 Differential Revision: https://phabricator.services.mozilla.com/D198184
137 lines
4.6 KiB
C++
137 lines
4.6 KiB
C++
/* -*- 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 "nsISupportsImpl.h"
|
|
#include "nsIPrincipal.h"
|
|
#include "nsThreadUtils.h"
|
|
#include "nsTHashSet.h"
|
|
#include "nsString.h"
|
|
#include "mozilla/RefPtr.h"
|
|
#include "mozilla/dom/BrowsingContextGroup.h"
|
|
#include "mozilla/dom/HTMLSlotElement.h"
|
|
|
|
namespace mozilla {
|
|
class AbstractThread;
|
|
namespace dom {
|
|
|
|
class CustomElementReactionsStack;
|
|
class JSExecutionManager;
|
|
|
|
// 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 browsing context group.
|
|
//
|
|
// 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 BrowsingContextGroup is a set of browsing contexts which are all
|
|
// "related". Within a BrowsingContextGroup, browsing contexts are
|
|
// broken into "similar-origin" DocGroups. A DocGroup is a member
|
|
// of exactly one BrowsingContextGroup.
|
|
class DocGroup final {
|
|
public:
|
|
typedef nsTArray<Document*>::iterator Iterator;
|
|
|
|
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DocGroup)
|
|
NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(DocGroup)
|
|
|
|
static already_AddRefed<DocGroup> Create(
|
|
BrowsingContextGroup* aBrowsingContextGroup, const nsACString& aKey);
|
|
|
|
// Returns NS_ERROR_FAILURE and sets |aString| to an empty string if the TLD
|
|
// service isn't available. Returns NS_OK on success, but may still set
|
|
// |aString| may still be set to an empty string.
|
|
[[nodiscard]] static nsresult GetKey(nsIPrincipal* aPrincipal,
|
|
bool aCrossOriginIsolated,
|
|
nsACString& aKey);
|
|
|
|
bool MatchesKey(const nsACString& aKey) { return aKey == mKey; }
|
|
|
|
const nsACString& GetKey() const { return mKey; }
|
|
|
|
JSExecutionManager* GetExecutionManager() const { return mExecutionManager; }
|
|
void SetExecutionManager(JSExecutionManager*);
|
|
|
|
BrowsingContextGroup* GetBrowsingContextGroup() const {
|
|
return mBrowsingContextGroup;
|
|
}
|
|
|
|
mozilla::dom::DOMArena* ArenaAllocator() { return mArena; }
|
|
|
|
mozilla::dom::CustomElementReactionsStack* CustomElementReactionsStack();
|
|
|
|
// Adding documents to a DocGroup should be done through
|
|
// BrowsingContextGroup::AddDocument (which in turn calls
|
|
// DocGroup::AddDocument).
|
|
void AddDocument(Document* aDocument);
|
|
|
|
// Removing documents from a DocGroup should be done through
|
|
// BrowsingContextGroup::RemoveDocument(which in turn calls
|
|
// DocGroup::RemoveDocument).
|
|
void RemoveDocument(Document* aDocument);
|
|
|
|
// Iterators for iterating over every document within the DocGroup
|
|
Iterator begin() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return mDocuments.begin();
|
|
}
|
|
Iterator end() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return mDocuments.end();
|
|
}
|
|
|
|
// Return a pointer that can be continually checked to see if access to this
|
|
// DocGroup is valid. This pointer should live at least as long as the
|
|
// DocGroup.
|
|
bool* GetValidAccessPtr();
|
|
|
|
// Append aSlot to the list of signal slot list, and queue a mutation observer
|
|
// microtask.
|
|
void SignalSlotChange(HTMLSlotElement& aSlot);
|
|
|
|
nsTArray<RefPtr<HTMLSlotElement>> MoveSignalSlotList();
|
|
|
|
// List of DocGroups that has non-empty signal slot list.
|
|
static AutoTArray<RefPtr<DocGroup>, 2>* sPendingDocGroups;
|
|
|
|
// Returns true if any of its documents are active but not in the bfcache.
|
|
bool IsActive() const;
|
|
|
|
const nsID& AgentClusterId() const { return mAgentClusterId; }
|
|
|
|
bool IsEmpty() const { return mDocuments.IsEmpty(); }
|
|
|
|
private:
|
|
DocGroup(BrowsingContextGroup* aBrowsingContextGroup, const nsACString& aKey);
|
|
|
|
~DocGroup();
|
|
|
|
nsCString mKey;
|
|
nsTArray<Document*> mDocuments;
|
|
RefPtr<mozilla::dom::CustomElementReactionsStack> mReactionsStack;
|
|
nsTArray<RefPtr<HTMLSlotElement>> mSignalSlotList;
|
|
RefPtr<BrowsingContextGroup> mBrowsingContextGroup;
|
|
|
|
// non-null if the JS execution for this docgroup is regulated with regards
|
|
// to worker threads. This should only be used when we are forcing serialized
|
|
// SAB access.
|
|
RefPtr<JSExecutionManager> mExecutionManager;
|
|
|
|
// Each DocGroup has a persisted agent cluster ID.
|
|
const nsID mAgentClusterId;
|
|
|
|
RefPtr<mozilla::dom::DOMArena> mArena;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // defined(DocGroup_h)
|