/* -*- 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 ChromeBrowsingContext_h

#define ChromeBrowsingContext_h

#include "mozilla/dom/BrowsingContext.h"

#include "mozilla/RefPtr.h"

#include "nsCycleCollectionParticipant.h"

#include "nsWrapperCache.h"

class nsIDocShell;

namespace mozilla {

namespace dom {

// ChromeBrowsingContext is a BrowsingContext living in the parent

// process, with whatever extra data that a BrowsingContext in the

// parent needs.

class ChromeBrowsingContext final

  : public BrowsingContext

{

public:

  static void CleanupContexts(uint64_t aProcessId);

  static already_AddRefed<ChromeBrowsingContext> Get(uint64_t aId);

  static ChromeBrowsingContext* Cast(BrowsingContext* aContext);

  static already_AddRefed<ChromeBrowsingContext> Create(

    uint64_t aBrowsingContextId,

    const nsAString& aName,

    uint64_t aProcessId);

  bool IsOwnedByProcess(uint64_t aProcessId) const

  {

    return mProcessId == aProcessId;

  }

protected:

  void Traverse(nsCycleCollectionTraversalCallback& cb) {}

  void Unlink() {}

  ChromeBrowsingContext(uint64_t aBrowsingContextId,

                        const nsAString& aName,

                        uint64_t aProcessId);

private:

  friend class BrowsingContext;

  explicit ChromeBrowsingContext(nsIDocShell* aDocShell);

  // Indicates which process owns the docshell.

  uint64_t mProcessId;

};

} // namespace dom

} // namespace mozilla

#endif