Sylvestre Ledru
9eb1a31a98
replaced by .editorconfig # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D287843
87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/* 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/CacheOpChild.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::dom::cache {
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class Cache;
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class CacheOpArgs;
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class Listener;
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class CacheChild final : public PCacheChild, public CacheActorChild {
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friend class PCacheChild;
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public:
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friend class mozilla::detail::BaseAutoLock<CacheChild&>;
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using AutoLock = mozilla::detail::BaseAutoLock<CacheChild&>;
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explicit CacheChild(ActorChild* aParentActor = nullptr);
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void SetListener(CacheChildListener* aListener);
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// Must be called by the associated Cache listener in its OnActorDestroy()
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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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template <typename PromiseType>
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void ExecuteOp(nsIGlobalObject* aGlobal, PromiseType& aPromise,
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nsISupports* aParent, const CacheOpArgs& aArgs) {
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MOZ_ALWAYS_TRUE(SendPCacheOpConstructor(
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new CacheOpChild(GetWorkerRefPtr().clonePtr(), aGlobal, aParent,
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aPromise, this),
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aArgs));
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}
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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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void NoteDeletedActor() override;
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NS_INLINE_DECL_REFCOUNTING(CacheChild, override);
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private:
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~CacheChild();
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void DestroyInternal();
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// ActorChild methods
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// WorkerRef 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 ActorDestroy(ActorDestroyReason aReason) override;
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already_AddRefed<PCacheOpChild> AllocPCacheOpChild(
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const CacheOpArgs& aOpArgs);
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// utility methods
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inline uint32_t NumChildActors() { return ManagedPCacheOpChild().Count(); }
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// Methods used to temporarily force the actor alive. Only called from
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// AutoLock.
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void Lock();
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void Unlock();
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ActorChild* mParentActor;
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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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CacheChildListener* MOZ_NON_OWNING_REF mListener;
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bool mLocked;
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bool mDelayedDestroy;
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};
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} // namespace mozilla::dom::cache
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#endif // mozilla_dom_cache_CacheChild_h
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