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482d731e3a
By passing a weak reference back to the DocumentChannelParent into DocumentLoadListener for object loads, we are able to handle process switching loads by asking the content process to create a BrowsingContext, and delaying the real process switch until it becomes available. The load then completes as it would before, acting as a normal process-switching subframe load. Differential Revision: https://phabricator.services.mozilla.com/D86580
67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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include protocol PNecko;
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include protocol PStreamFilter;
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include InputStreamParams;
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include PBackgroundSharedTypes;
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include NeckoChannelParams;
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include IPCServiceWorkerDescriptor;
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include IPCStream;
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include DOMTypes;
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include "mozilla/net/NeckoMessageUtils.h";
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using class nsHttpHeaderArray from "nsHttpHeaderArray.h";
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using mozilla::net::NetAddr from "mozilla/net/DNS.h";
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namespace mozilla {
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namespace net {
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refcounted protocol PDocumentChannel
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{
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manager PNecko;
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parent:
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async Cancel(nsresult status);
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async __delete__();
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child:
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// Used to cancel child channel if we hit errors during creating and
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// AsyncOpen of nsHttpChannel on the parent.
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async FailedAsyncOpen(nsresult status);
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// This message is sent to a child that has been redirected to another process.
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// As a consequence, it should cleanup the channel listeners and remove the
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// request from the loadGroup.
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// aStatus must be an error result.
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// aLoadGroupReason is used as mStatus when we remove the child channel from
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// the loadgroup (but aStatus is passed as the parameter to RemoveRequest).
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// We do this so we can remove using NS_BINDING_RETARGETED, but still have the
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// channel not be in an error state.
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async DisconnectChildListeners(nsresult aStatus, nsresult aLoadGroupReason, bool aSwitchedProcess);
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// Triggers replacing this DocumentChannel with a 'real' channel (like PHttpChannel),
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// and notifies the listener via a redirect to the new channel.
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async RedirectToRealChannel(RedirectToRealChannelArgs args, Endpoint<PStreamFilterParent>[] aEndpoint)
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returns (nsresult rv);
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// May only be called on a DocumentChannel created by nsObjectLoadingContent
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// for an object or embed element load.
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//
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// Promotes the load from an object load to a proper document load, and
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// returns the `BrowsingContext` which should be used to host the final load.
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async UpgradeObjectLoad() returns (MaybeDiscardedBrowsingContext frameContext);
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};
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} // namespace net
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} // namespace mozilla
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