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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/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
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