/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sw=2 sts=2 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 http://mozilla.org/MPL/2.0/. */

#include "FileChannelChild.h"

#include "mozilla/Unused.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/net/NeckoChild.h"

namespace mozilla {
namespace net {

NS_IMPL_ISUPPORTS_INHERITED(FileChannelChild, nsFileChannel, nsIChildChannel)

FileChannelChild::FileChannelChild(nsIURI *uri)
  : nsFileChannel(uri)
  , mIPCOpen(false)
{
}

NS_IMETHODIMP
FileChannelChild::ConnectParent(uint32_t id)
{
  mozilla::dom::ContentChild* cc =
    static_cast<mozilla::dom::ContentChild*>(gNeckoChild->Manager());
  if (cc->IsShuttingDown()) {
    return NS_ERROR_FAILURE;
  }

  if (!gNeckoChild->SendPFileChannelConstructor(this, id)) {
    return NS_ERROR_FAILURE;
  }

  AddIPDLReference();
  return NS_OK;
}

NS_IMETHODIMP
FileChannelChild::CompleteRedirectSetup(nsIStreamListener *listener,
                                        nsISupports *ctx)
{
  nsresult rv;

  if (mLoadInfo && mLoadInfo->GetEnforceSecurity()) {
    MOZ_ASSERT(!ctx, "Context should be null");
    rv = AsyncOpen2(listener);
  } else {
    rv = AsyncOpen(listener, ctx);
  }

  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  if (mIPCOpen) {
    Unused << Send__delete__(this);
  }

  return NS_OK;
}

void
FileChannelChild::AddIPDLReference()
{
  AddRef();
  mIPCOpen = true;
}

void
FileChannelChild::ActorDestroy(ActorDestroyReason why)
{
  MOZ_ASSERT(mIPCOpen);
  mIPCOpen = false;
  Release();
}

} // namespace net
} // namespace mozilla