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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/StreamList.h"
#include "mozilla/dom/cache/CacheStreamControlParent.h"
#include "mozilla/dom/cache/Context.h"
#include "mozilla/dom/cache/Manager.h"
#include "nsIInputStream.h"
namespace mozilla {
namespace dom {
namespace cache {
StreamList::StreamList(Manager* aManager, Context* aContext)
: mManager(aManager)
, mContext(aContext)
, mCacheId(INVALID_CACHE_ID)
, mStreamControl(nullptr)
, mActivated(false)
{
MOZ_DIAGNOSTIC_ASSERT(mManager);
mContext->AddActivity(this);
}
void
StreamList::SetStreamControl(CacheStreamControlParent* aStreamControl)
{
NS_ASSERT_OWNINGTHREAD(StreamList);
MOZ_DIAGNOSTIC_ASSERT(aStreamControl);
// For cases where multiple streams are serialized for a single list
// then the control will get passed multiple times. This is ok, but
// it should be the same control each time.
if (mStreamControl) {
MOZ_DIAGNOSTIC_ASSERT(aStreamControl == mStreamControl);
return;
}
mStreamControl = aStreamControl;
mStreamControl->SetStreamList(this);
}
void
StreamList::RemoveStreamControl(CacheStreamControlParent* aStreamControl)
{
NS_ASSERT_OWNINGTHREAD(StreamList);
MOZ_DIAGNOSTIC_ASSERT(mStreamControl);
MOZ_DIAGNOSTIC_ASSERT(mStreamControl == aStreamControl);
mStreamControl = nullptr;
}
void
StreamList::Activate(CacheId aCacheId)
{
NS_ASSERT_OWNINGTHREAD(StreamList);
MOZ_DIAGNOSTIC_ASSERT(!mActivated);
MOZ_DIAGNOSTIC_ASSERT(mCacheId == INVALID_CACHE_ID);
mActivated = true;
mCacheId = aCacheId;
mManager->AddRefCacheId(mCacheId);
mManager->AddStreamList(this);
for (uint32_t i = 0; i < mList.Length(); ++i) {
mManager->AddRefBodyId(mList[i].mId);
}
}
void
StreamList::Add(const nsID& aId, nsIInputStream* aStream)
{
// All streams should be added on IO thread before we set the stream
// control on the owning IPC thread.
MOZ_DIAGNOSTIC_ASSERT(!mStreamControl);
MOZ_DIAGNOSTIC_ASSERT(aStream);
Entry* entry = mList.AppendElement();
entry->mId = aId;
entry->mStream = aStream;
}
already_AddRefed<nsIInputStream>
StreamList::Extract(const nsID& aId)
{
NS_ASSERT_OWNINGTHREAD(StreamList);
for (uint32_t i = 0; i < mList.Length(); ++i) {
if (mList[i].mId == aId) {
return mList[i].mStream.forget();
}
}
return nullptr;
}
void
StreamList::NoteClosed(const nsID& aId)
{
NS_ASSERT_OWNINGTHREAD(StreamList);
for (uint32_t i = 0; i < mList.Length(); ++i) {
if (mList[i].mId == aId) {
mList.RemoveElementAt(i);
mManager->ReleaseBodyId(aId);
break;
}
}
if (mList.IsEmpty() && mStreamControl) {
mStreamControl->Shutdown();
}
}
void
StreamList::NoteClosedAll()
{
NS_ASSERT_OWNINGTHREAD(StreamList);
for (uint32_t i = 0; i < mList.Length(); ++i) {
mManager->ReleaseBodyId(mList[i].mId);
}
mList.Clear();
if (mStreamControl) {
mStreamControl->Shutdown();
}
}
void
StreamList::Close(const nsID& aId)
{
NS_ASSERT_OWNINGTHREAD(StreamList);
if (mStreamControl) {
mStreamControl->Close(aId);
}
}
void
StreamList::CloseAll()
{
NS_ASSERT_OWNINGTHREAD(StreamList);
if (mStreamControl) {
mStreamControl->CloseAll();
}
}
void
StreamList::Cancel()
{
NS_ASSERT_OWNINGTHREAD(StreamList);
CloseAll();
}
bool
StreamList::MatchesCacheId(CacheId aCacheId) const
{
NS_ASSERT_OWNINGTHREAD(StreamList);
return aCacheId == mCacheId;
}
StreamList::~StreamList()
{
NS_ASSERT_OWNINGTHREAD(StreamList);
MOZ_DIAGNOSTIC_ASSERT(!mStreamControl);
if (mActivated) {
mManager->RemoveStreamList(this);
for (uint32_t i = 0; i < mList.Length(); ++i) {
mManager->ReleaseBodyId(mList[i].mId);
}
mManager->ReleaseCacheId(mCacheId);
}
mContext->RemoveActivity(this);
}
} // namespace cache
} // namespace dom
} // namespace mozilla
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