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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/. */
#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 {
namespace dom {
class Promise;
namespace cache {
class CacheOpArgs;
class CacheStorage;
class CacheWorkerHolder;
class PCacheChild;
class CacheStorageChild final : public PCacheStorageChild
, public ActorChild
{
public:
CacheStorageChild(CacheStorage* aListener, CacheWorkerHolder* aWorkerHolder);
~CacheStorageChild();
// 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();
private:
// ActorChild methods
// CacheWorkerHolder is trying to destroy due to worker shutdown.
virtual void StartDestroy() override;
// PCacheStorageChild methods
virtual void ActorDestroy(ActorDestroyReason aReason) override;
virtual PCacheOpChild*
AllocPCacheOpChild(const CacheOpArgs& aOpArgs) override;
virtual bool
DeallocPCacheOpChild(PCacheOpChild* aActor) override;
// utility methods
void
NoteDeletedActor();
// 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;
uint32_t mNumChildActors;
bool mDelayedDestroy;
NS_DECL_OWNINGTHREAD
};
} // namespace cache
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_cache_CacheStorageChild_h
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