зеркало из https://github.com/mozilla/gecko-dev.git
51 строка
1.6 KiB
C++
51 строка
1.6 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "mozilla/dom/ChildProcessChannelListener.h"
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namespace mozilla {
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namespace dom {
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static StaticRefPtr<ChildProcessChannelListener> sCPCLSingleton;
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void ChildProcessChannelListener::RegisterCallback(uint64_t aIdentifier,
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Callback&& aCallback) {
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if (auto channel = mChannels.GetAndRemove(aIdentifier)) {
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aCallback(*channel);
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} else {
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mCallbacks.Put(aIdentifier, std::move(aCallback));
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}
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}
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NS_IMETHODIMP ChildProcessChannelListener::OnChannelReady(
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nsIChildChannel* aChannel, uint64_t aIdentifier) {
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if (auto callback = mCallbacks.GetAndRemove(aIdentifier)) {
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(*callback)(aChannel);
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} else {
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mChannels.Put(aIdentifier, aChannel);
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}
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return NS_OK;
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}
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ChildProcessChannelListener::ChildProcessChannelListener() = default;
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ChildProcessChannelListener::~ChildProcessChannelListener() = default;
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already_AddRefed<ChildProcessChannelListener>
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ChildProcessChannelListener::GetSingleton() {
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if (!sCPCLSingleton) {
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sCPCLSingleton = new ChildProcessChannelListener();
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ClearOnShutdown(&sCPCLSingleton);
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}
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RefPtr<ChildProcessChannelListener> cpcl = sCPCLSingleton;
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return cpcl.forget();
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}
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NS_IMPL_ISUPPORTS(ChildProcessChannelListener, nsIChildProcessChannelListener);
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} // namespace dom
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} // namespace mozilla
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