/* -*- 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/. */
#ifndef mozilla_dom_cache_CacheStorageChild_h
#define mozilla_dom_cache_CacheStorageChild_h
#include "mozilla/dom/cache/ActorChild.h"
#include "mozilla/dom/cache/Types.h"
#include "mozilla/dom/cache/PCacheStorageChild.h"
class nsIGlobalObject;
namespace mozilla::dom {
class Promise;
namespace cache {
class CacheOpArgs;
class CacheStorage;
class CacheWorkerRef;
class PCacheChild;
class CacheStorageChild final :
public PCacheStorageChild,
public ActorChild {
friend class PCacheStorageChild;
public:
CacheStorageChild(CacheStorage* aListener,
SafeRefPtr<CacheWorkerRef> aWorkerRef);
// Must be called by the associated CacheStorage listener in its
// DestroyInternal() method. Also, CacheStorage must call
// SendDestroyFromListener() on the actor in its destructor to trigger
// ActorDestroy() if it has not been called yet.
void ClearListener();
void ExecuteOp(nsIGlobalObject* aGlobal, Promise* aPromise,
nsISupports* aParent,
const CacheOpArgs& aArgs);
// Our parent Listener object has gone out of scope and is being destroyed.
void StartDestroyFromListener();
NS_INLINE_DECL_REFCOUNTING(CacheStorageChild, override)
void NoteDeletedActor() override;
private:
~CacheStorageChild();
void DestroyInternal();
// ActorChild methods
// CacheWorkerRef is trying to destroy due to worker shutdown.
virtual void StartDestroy() override;
// PCacheStorageChild methods
virtual void ActorDestroy(ActorDestroyReason aReason) override;
PCacheOpChild* AllocPCacheOpChild(
const CacheOpArgs& aOpArgs);
bool DeallocPCacheOpChild(PCacheOpChild* aActor);
// utility methods
inline uint32_t NumChildActors() {
return ManagedPCacheOpChild().Count(); }
// Use a weak ref so actor does not hold DOM object alive past content use.
// The CacheStorage object must call ClearListener() to null this before its
// destroyed.
CacheStorage* MOZ_NON_OWNING_REF mListener;
bool mDelayedDestroy;
};
}
// namespace cache
}
// namespace mozilla::dom
#endif // mozilla_dom_cache_CacheStorageChild_h
