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