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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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 "mozilla/dom/ChildProcessChannelListener.h"
#include "mozilla/ipc/Endpoint.h"
#include "nsDocShellLoadState.h"
namespace mozilla {
namespace dom {
static StaticRefPtr<ChildProcessChannelListener> sCPCLSingleton;
void ChildProcessChannelListener::RegisterCallback(uint64_t aIdentifier,
Callback&& aCallback) {
if (auto args = mChannelArgs.Extract(aIdentifier)) {
nsresult rv =
aCallback(args->mLoadState, std::move(args->mStreamFilterEndpoints),
args->mTiming);
args->mResolver(rv);
} else {
mCallbacks.InsertOrUpdate(aIdentifier, std::move(aCallback));
}
}
void ChildProcessChannelListener::OnChannelReady(
nsDocShellLoadState* aLoadState, uint64_t aIdentifier,
nsTArray<Endpoint>&& aStreamFilterEndpoints, nsDOMNavigationTiming* aTiming,
Resolver&& aResolver) {
if (auto callback = mCallbacks.Extract(aIdentifier)) {
nsresult rv =
(*callback)(aLoadState, std::move(aStreamFilterEndpoints), aTiming);
aResolver(rv);
} else {
mChannelArgs.InsertOrUpdate(
aIdentifier, CallbackArgs{aLoadState, std::move(aStreamFilterEndpoints),
aTiming, std::move(aResolver)});
}
}
ChildProcessChannelListener::~ChildProcessChannelListener() {
for (const auto& args : mChannelArgs.Values()) {
args.mResolver(NS_ERROR_FAILURE);
}
}
already_AddRefed<ChildProcessChannelListener>
ChildProcessChannelListener::GetSingleton() {
if (!sCPCLSingleton) {
sCPCLSingleton = new ChildProcessChannelListener();
ClearOnShutdown(&sCPCLSingleton);
}
RefPtr<ChildProcessChannelListener> cpcl = sCPCLSingleton;
return cpcl.forget();
}
} // namespace dom
} // namespace mozilla
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