gecko-dev/dom/cache/CacheStorage.h

125 строки
3.7 KiB
C++

/* -*- 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_CacheStorage_h
#define mozilla_dom_cache_CacheStorage_h
#include "mozilla/dom/cache/Types.h"
#include "mozilla/dom/cache/TypeUtils.h"
#include "nsAutoPtr.h"
#include "nsCOMPtr.h"
#include "nsISupportsImpl.h"
#include "nsTArray.h"
#include "nsWrapperCache.h"
#include "nsIIPCBackgroundChildCreateCallback.h"
class nsIGlobalObject;
namespace mozilla {
class ErrorResult;
namespace ipc {
class PrincipalInfo;
}
namespace dom {
enum class CacheStorageNamespace : uint32_t;
class Promise;
namespace workers {
class WorkerPrivate;
}
namespace cache {
class CacheStorageChild;
class Feature;
class CacheStorage final : public nsIIPCBackgroundChildCreateCallback
, public nsWrapperCache
, public TypeUtils
{
typedef mozilla::ipc::PBackgroundChild PBackgroundChild;
public:
static already_AddRefed<CacheStorage>
CreateOnMainThread(Namespace aNamespace, nsIGlobalObject* aGlobal,
nsIPrincipal* aPrincipal, ErrorResult& aRv);
static already_AddRefed<CacheStorage>
CreateOnWorker(Namespace aNamespace, nsIGlobalObject* aGlobal,
workers::WorkerPrivate* aWorkerPrivate, ErrorResult& aRv);
// webidl interface methods
already_AddRefed<Promise> Match(const RequestOrUSVString& aRequest,
const CacheQueryOptions& aOptions,
ErrorResult& aRv);
already_AddRefed<Promise> Has(const nsAString& aKey, ErrorResult& aRv);
already_AddRefed<Promise> Open(const nsAString& aKey, ErrorResult& aRv);
already_AddRefed<Promise> Delete(const nsAString& aKey, ErrorResult& aRv);
already_AddRefed<Promise> Keys(ErrorResult& aRv);
// chrome-only webidl interface methods
static already_AddRefed<CacheStorage>
Constructor(const GlobalObject& aGlobal, CacheStorageNamespace aNamespace,
nsIPrincipal* aPrincipal, ErrorResult& aRv);
// binding methods
static bool PrefEnabled(JSContext* aCx, JSObject* aObj);
nsISupports* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aContext, JS::Handle<JSObject*> aGivenProto) override;
// nsIIPCbackgroundChildCreateCallback methods
virtual void ActorCreated(PBackgroundChild* aActor) override;
virtual void ActorFailed() override;
// Called when CacheStorageChild actor is being destroyed
void DestroyInternal(CacheStorageChild* aActor);
// TypeUtils methods
virtual nsIGlobalObject* GetGlobalObject() const override;
#ifdef DEBUG
virtual void AssertOwningThread() const override;
#endif
virtual CachePushStreamChild*
CreatePushStream(nsIAsyncInputStream* aStream) override;
private:
CacheStorage(Namespace aNamespace, nsIGlobalObject* aGlobal,
const mozilla::ipc::PrincipalInfo& aPrincipalInfo, Feature* aFeature);
~CacheStorage();
void MaybeRunPendingRequests();
const Namespace mNamespace;
nsCOMPtr<nsIGlobalObject> mGlobal;
UniquePtr<mozilla::ipc::PrincipalInfo> mPrincipalInfo;
nsRefPtr<Feature> mFeature;
// weak ref cleared in DestroyInternal
CacheStorageChild* mActor;
struct Entry;
nsTArray<nsAutoPtr<Entry>> mPendingRequests;
bool mFailedActor;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(CacheStorage,
nsIIPCBackgroundChildCreateCallback)
};
} // namespace cache
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_cache_CacheStorage_h