PDocumentChannel.ipdl

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set sw=2 ts=8 et tw=80 ft=cpp : */

/* 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 protocol PNecko;

include protocol PStreamFilter;

include InputStreamParams;

include PBackgroundSharedTypes;

include NeckoChannelParams;

include IPCServiceWorkerDescriptor;

include IPCStream;

include DOMTypes;

include "mozilla/net/NeckoMessageUtils.h";

using class mozilla::net::nsHttpHeaderArray from "nsHttpHeaderArray.h";

using mozilla::net::NetAddr from "mozilla/net/DNS.h";

namespace mozilla {

namespace net {

protocol PDocumentChannel

  manager PNecko;

parent:

  async Cancel(nsresult status, nsCString reason);

  async __delete__();

child:

  // Used to cancel child channel if we hit errors during creating and

  // AsyncOpen of nsHttpChannel on the parent.

  async FailedAsyncOpen(nsresult status);

  // This message is sent to a child that has been redirected to another process.

  // As a consequence, it should cleanup the channel listeners and remove the

  // request from the loadGroup.

  // aStatus must be an error result.

  // aLoadGroupReason is used as mStatus when we remove the child channel from

  // the loadgroup (but aStatus is passed as the parameter to RemoveRequest).

  // We do this so we can remove using NS_BINDING_RETARGETED, but still have the

  // channel not be in an error state.

  async DisconnectChildListeners(nsresult aStatus, nsresult aLoadGroupReason, bool aContinueNavigating);

  // Triggers replacing this DocumentChannel with a 'real' channel (like PHttpChannel),

  // and notifies the listener via a redirect to the new channel.

  async RedirectToRealChannel(RedirectToRealChannelArgs args, Endpoint<PStreamFilterParent>[] aEndpoint)

      returns (nsresult rv);

  // May only be called on a DocumentChannel created by nsObjectLoadingContent

  // for an object or embed element load.

//

  // Promotes the load from an object load to a proper document load, and

  // returns the `BrowsingContext` which should be used to host the final load.

  async UpgradeObjectLoad() returns (MaybeDiscardedBrowsingContext frameContext);

};

} // namespace net

} // namespace mozilla