зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
2.2 KiB
C++
69 строки
2.2 KiB
C++
/* -*- 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/cache/StreamControl.h"
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namespace mozilla::dom::cache {
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void StreamControl::AddReadStream(
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SafeRefPtr<ReadStream::Controllable> aReadStream) {
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AssertOwningThread();
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MOZ_DIAGNOSTIC_ASSERT(aReadStream);
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MOZ_ASSERT(!mReadStreamList.Contains(aReadStream));
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mReadStreamList.AppendElement(std::move(aReadStream));
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}
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void StreamControl::ForgetReadStream(
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SafeRefPtr<ReadStream::Controllable> aReadStream) {
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AssertOwningThread();
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MOZ_ALWAYS_TRUE(mReadStreamList.RemoveElement(aReadStream));
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}
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void StreamControl::NoteClosed(SafeRefPtr<ReadStream::Controllable> aReadStream,
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const nsID& aId) {
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AssertOwningThread();
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ForgetReadStream(std::move(aReadStream));
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NoteClosedAfterForget(aId);
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}
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StreamControl::~StreamControl() {
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// owning thread only, but can't call virtual AssertOwningThread in destructor
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MOZ_DIAGNOSTIC_ASSERT(mReadStreamList.IsEmpty());
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}
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void StreamControl::CloseAllReadStreams() {
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AssertOwningThread();
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// A copy of mReadStreamList is necessary here for two reasons:
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// 1. mReadStreamList is modified in StreamControl::ForgetReadStream (called
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// transitively)
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// 2. the this pointer is deleted by CacheStreamControlParent::Shutdown
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// (called transitively)
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auto readStreamList = mReadStreamList.Clone();
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for (const auto& stream : readStreamList.ForwardRange()) {
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stream->CloseStream();
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}
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}
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void StreamControl::CloseAllReadStreamsWithoutReporting() {
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AssertOwningThread();
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for (const auto& stream : mReadStreamList.ForwardRange()) {
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// Note, we cannot trigger IPC traffic here. So use
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// CloseStreamWithoutReporting().
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stream->CloseStreamWithoutReporting();
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}
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}
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bool StreamControl::HasEverBeenRead() const {
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const auto range = mReadStreamList.NonObservingRange();
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return std::any_of(range.begin(), range.end(), [](const auto& stream) {
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return stream->HasEverBeenRead();
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});
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}
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} // namespace mozilla::dom::cache
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