зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
2.8 KiB
C++
97 строки
2.8 KiB
C++
/* -*- 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 {
|
|
namespace dom {
|
|
namespace cache {
|
|
|
|
void StreamControl::AddReadStream(ReadStream::Controllable* aReadStream) {
|
|
AssertOwningThread();
|
|
MOZ_DIAGNOSTIC_ASSERT(aReadStream);
|
|
MOZ_ASSERT(!mReadStreamList.Contains(aReadStream));
|
|
mReadStreamList.AppendElement(aReadStream);
|
|
}
|
|
|
|
void StreamControl::ForgetReadStream(ReadStream::Controllable* aReadStream) {
|
|
AssertOwningThread();
|
|
MOZ_ALWAYS_TRUE(mReadStreamList.RemoveElement(aReadStream));
|
|
}
|
|
|
|
void StreamControl::NoteClosed(ReadStream::Controllable* aReadStream,
|
|
const nsID& aId) {
|
|
AssertOwningThread();
|
|
ForgetReadStream(aReadStream);
|
|
NoteClosedAfterForget(aId);
|
|
}
|
|
|
|
StreamControl::~StreamControl() {
|
|
// owning thread only, but can't call virtual AssertOwningThread in destructor
|
|
MOZ_DIAGNOSTIC_ASSERT(mReadStreamList.IsEmpty());
|
|
}
|
|
|
|
void StreamControl::CloseReadStreams(const nsID& aId) {
|
|
AssertOwningThread();
|
|
#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
|
|
uint32_t closedCount = 0;
|
|
#endif
|
|
|
|
ReadStreamList::ForwardIterator iter(mReadStreamList);
|
|
while (iter.HasMore()) {
|
|
RefPtr<ReadStream::Controllable> stream = iter.GetNext();
|
|
if (stream->MatchId(aId)) {
|
|
stream->CloseStream();
|
|
#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
|
|
closedCount += 1;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
MOZ_DIAGNOSTIC_ASSERT(closedCount > 0);
|
|
}
|
|
|
|
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;
|
|
ReadStreamList::ForwardIterator iter(readStreamList);
|
|
while (iter.HasMore()) {
|
|
iter.GetNext()->CloseStream();
|
|
}
|
|
}
|
|
|
|
void StreamControl::CloseAllReadStreamsWithoutReporting() {
|
|
AssertOwningThread();
|
|
|
|
ReadStreamList::ForwardIterator iter(mReadStreamList);
|
|
while (iter.HasMore()) {
|
|
RefPtr<ReadStream::Controllable> stream = iter.GetNext();
|
|
// Note, we cannot trigger IPC traffic here. So use
|
|
// CloseStreamWithoutReporting().
|
|
stream->CloseStreamWithoutReporting();
|
|
}
|
|
}
|
|
|
|
bool StreamControl::HasEverBeenRead() const {
|
|
ReadStreamList::ForwardIterator iter(mReadStreamList);
|
|
while (iter.HasMore()) {
|
|
if (iter.GetNext()->HasEverBeenRead()) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
} // namespace cache
|
|
} // namespace dom
|
|
} // namespace mozilla
|