author Ed Morley <>
Fri, 28 Feb 2014 15:31:07 +0000
changeset 182275 10992841577e4869f91c328f3ae7bf4aeda9bb8e
parent 179249 ff1b69bfa7f2848519974cd665e9446bea6ca3b4
child 212949 6d24426a66fbd0c62134538d9d5851c61f6c4d25
permissions -rw-r--r--
Backed out changeset 5056b4811257 (bug 976648) for errors during configure; CLOSED TREE

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et 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 */

#ifndef SerializedLoadContext_h
#define SerializedLoadContext_h

#include "base/basictypes.h"
#include "ipc/IPCMessageUtils.h"

class nsILoadContext;

 *  This file contains the IPC::SerializedLoadContext class, which is used to
 *  copy data across IPDL from Child process contexts so it is available in the
 *  Parent.

class nsIChannel;
class nsIWebSocketChannel;

namespace IPC {

class SerializedLoadContext

  SerializedLoadContext(nsILoadContext* aLoadContext);
  SerializedLoadContext(nsIChannel* aChannel);
  SerializedLoadContext(nsIWebSocketChannel* aChannel);

  void Init(nsILoadContext* aLoadContext);

  bool IsNotNull() const
    return mIsNotNull;

  bool IsPrivateBitValid() const
    return mIsPrivateBitValid;

  // used to indicate if child-side LoadContext * was null.
  bool          mIsNotNull;
  // used to indicate if child-side mUsePrivateBrowsing flag is valid, even if
  // mIsNotNull is false, i.e., child LoadContext was null.
  bool          mIsPrivateBitValid;
  bool          mIsContent;
  bool          mUsePrivateBrowsing;
  bool          mUseRemoteTabs;
  bool          mIsInBrowserElement;
  uint32_t      mAppId;

// Function to serialize over IPDL
struct ParamTraits<SerializedLoadContext>
  typedef SerializedLoadContext paramType;

  static void Write(Message* aMsg, const paramType& aParam)
    WriteParam(aMsg, aParam.mIsNotNull);
    WriteParam(aMsg, aParam.mIsContent);
    WriteParam(aMsg, aParam.mIsPrivateBitValid);
    WriteParam(aMsg, aParam.mUsePrivateBrowsing);
    WriteParam(aMsg, aParam.mUseRemoteTabs);
    WriteParam(aMsg, aParam.mAppId);
    WriteParam(aMsg, aParam.mIsInBrowserElement);

  static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
    if (!ReadParam(aMsg, aIter, &aResult->mIsNotNull) ||
        !ReadParam(aMsg, aIter, &aResult->mIsContent)  ||
        !ReadParam(aMsg, aIter, &aResult->mIsPrivateBitValid)  ||
        !ReadParam(aMsg, aIter, &aResult->mUsePrivateBrowsing)  ||
        !ReadParam(aMsg, aIter, &aResult->mUseRemoteTabs)  ||
        !ReadParam(aMsg, aIter, &aResult->mAppId)  ||
        !ReadParam(aMsg, aIter, &aResult->mIsInBrowserElement)) {
      return false;

    return true;

} // namespace IPC

#endif // SerializedLoadContext_h