dom/webbrowserpersist/WebBrowserPersistResourcesParent.h
author Jan de Mooij <jdemooij@mozilla.com>
Wed, 13 Feb 2019 06:41:44 +0000
changeset 516733 8c306186cbd7672259b3a730471cfcbe44a9b0d0
parent 505471 66eb1f485c1a3ea81372758bc92292c9428b17cd
child 567639 f6e53d1c65182d92d51f94caec7bacea5be729f6
permissions -rw-r--r--
Bug 1526588 - Fix some issues with js::GetFirstGlobalInCompartment and XPCWrappedNativeScope::UpdateWeakPointersInAllScopesAfterGC. r=bzbarsky Differential Revision: https://phabricator.services.mozilla.com/D19493

/* -*- Mode: C++; tab-width: 4; 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 WebBrowserPersistResourcesParent_h__
#define WebBrowserPersistResourcesParent_h__

#include "mozilla/PWebBrowserPersistResourcesParent.h"

#include "WebBrowserPersistDocumentParent.h"
#include "nsCOMPtr.h"
#include "nsIWebBrowserPersistDocument.h"
#include "nsIContentPolicy.h"

namespace mozilla {

class WebBrowserPersistResourcesParent final
    : public PWebBrowserPersistResourcesParent,
      public nsIWebBrowserPersistDocumentReceiver {
 public:
  WebBrowserPersistResourcesParent(
      nsIWebBrowserPersistDocument* aDocument,
      nsIWebBrowserPersistResourceVisitor* aVisitor);

  virtual mozilla::ipc::IPCResult RecvVisitResource(
      const nsCString& aURI,
      const nsContentPolicyType& aContentPolicyType) override;

  virtual mozilla::ipc::IPCResult RecvVisitDocument(
      PWebBrowserPersistDocumentParent* aSubDocument) override;

  virtual mozilla::ipc::IPCResult Recv__delete__(
      const nsresult& aStatus) override;

  virtual void ActorDestroy(ActorDestroyReason aWhy) override;

  NS_DECL_NSIWEBBROWSERPERSISTDOCUMENTRECEIVER
  NS_DECL_ISUPPORTS

 private:
  // Note: even if the XPIDL didn't need mDocument for visitor
  // callbacks, this object still needs to hold a strong reference
  // to it to defer actor subtree deletion until after the
  // visitation is finished.
  nsCOMPtr<nsIWebBrowserPersistDocument> mDocument;
  nsCOMPtr<nsIWebBrowserPersistResourceVisitor> mVisitor;

  virtual ~WebBrowserPersistResourcesParent();
};

}  // namespace mozilla

#endif  // WebBrowserPersistResourcesParent_h__