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92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_cache_CacheChild_h
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#define mozilla_dom_cache_CacheChild_h
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#include "mozilla/dom/cache/ActorChild.h"
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#include "mozilla/dom/cache/PCacheChild.h"
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class nsIAsyncInputStream;
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class nsIGlobalObject;
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namespace mozilla {
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namespace dom {
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class Promise;
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namespace cache {
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class Cache;
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class CacheOpArgs;
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class CachePushStreamChild;
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class CacheChild final : public PCacheChild
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, public ActorChild
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{
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public:
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CacheChild();
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~CacheChild();
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void SetListener(Cache* aListener);
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// Must be called by the associated Cache listener in its DestroyInternal()
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// method. Also, Cache must call StartDestroyFromListener() on the actor in
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// its destructor to trigger ActorDestroy() if it has not been called yet.
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void ClearListener();
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void
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ExecuteOp(nsIGlobalObject* aGlobal, Promise* aPromise,
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nsISupports* aParent, const CacheOpArgs& aArgs);
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CachePushStreamChild*
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CreatePushStream(nsISupports* aParent, nsIAsyncInputStream* aStream);
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// Our parent Listener object has gone out of scope and is being destroyed.
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void StartDestroyFromListener();
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private:
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// ActorChild methods
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// Feature is trying to destroy due to worker shutdown.
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virtual void StartDestroy() override;
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// PCacheChild methods
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virtual void
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ActorDestroy(ActorDestroyReason aReason) override;
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virtual PCacheOpChild*
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AllocPCacheOpChild(const CacheOpArgs& aOpArgs) override;
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virtual bool
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DeallocPCacheOpChild(PCacheOpChild* aActor) override;
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virtual PCachePushStreamChild*
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AllocPCachePushStreamChild() override;
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virtual bool
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DeallocPCachePushStreamChild(PCachePushStreamChild* aActor) override;
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// utility methods
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void
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NoteDeletedActor();
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// Use a weak ref so actor does not hold DOM object alive past content use.
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// The Cache object must call ClearListener() to null this before its
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// destroyed.
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Cache* MOZ_NON_OWNING_REF mListener;
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uint32_t mNumChildActors;
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bool mDelayedDestroy;
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NS_DECL_OWNINGTHREAD
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};
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} // namespace cache
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_cache_CacheChild_h
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