mirror of
https://github.com/mozilla/gecko-dev.git
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141 lines
4.1 KiB
C++
141 lines
4.1 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_workers_DataStore_h
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#define mozilla_dom_workers_DataStore_h
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#include "mozilla/DOMEventTargetHelper.h"
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#include "nsProxyRelease.h"
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#include "WorkerFeature.h"
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class Promise;
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class DataStore;
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class DataStoreImpl;
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class StringOrUnsignedLong;
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class OwningStringOrUnsignedLong;
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namespace workers {
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class DataStoreChangeEventProxy;
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class WorkerDataStoreCursor;
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class WorkerGlobalScope;
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class WorkerDataStore MOZ_FINAL : public DOMEventTargetHelper
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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explicit WorkerDataStore(WorkerGlobalScope* aScope);
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// WebIDL (internal functions)
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static already_AddRefed<WorkerDataStore> Constructor(GlobalObject& aGlobal,
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ErrorResult& aRv);
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virtual JSObject* WrapObject(JSContext *aCx) MOZ_OVERRIDE;
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// WebIDL (public APIs)
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void GetName(JSContext* aCx, nsAString& aName, ErrorResult& aRv);
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void GetOwner(JSContext* aCx, nsAString& aOwner, ErrorResult& aRv);
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bool GetReadOnly(JSContext* aCx, ErrorResult& aRv);
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already_AddRefed<Promise> Get(JSContext* aCx,
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const Sequence<OwningStringOrUnsignedLong>& aId,
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ErrorResult& aRv);
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already_AddRefed<Promise> Put(JSContext* aCx,
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JS::Handle<JS::Value> aObj,
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const StringOrUnsignedLong& aId,
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const nsAString& aRevisionId,
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ErrorResult& aRv);
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already_AddRefed<Promise> Add(JSContext* aCx,
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JS::Handle<JS::Value> aObj,
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const Optional<StringOrUnsignedLong>& aId,
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const nsAString& aRevisionId,
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ErrorResult& aRv);
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already_AddRefed<Promise> Remove(JSContext* aCx,
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const StringOrUnsignedLong& aId,
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const nsAString& aRevisionId,
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ErrorResult& aRv);
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already_AddRefed<Promise> Clear(JSContext* aCx,
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const nsAString& aRevisionId,
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ErrorResult& aRv);
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void GetRevisionId(JSContext* aCx, nsAString& aRevisionId, ErrorResult& aRv);
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already_AddRefed<Promise> GetLength(JSContext* aCx, ErrorResult& aRv);
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already_AddRefed<WorkerDataStoreCursor> Sync(JSContext* aCx,
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const nsAString& aRevisionId,
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ErrorResult& aRv);
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IMPL_EVENT_HANDLER(change)
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// We don't use this for the WorkerDataStore.
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void SetDataStoreImpl(DataStoreImpl& aStore, ErrorResult& aRv);
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void SetBackingDataStore(
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const nsMainThreadPtrHandle<DataStore>& aBackingStore);
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void SetDataStoreChangeEventProxy(DataStoreChangeEventProxy* aEventProxy);
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protected:
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virtual ~WorkerDataStore() {}
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private:
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nsMainThreadPtrHandle<DataStore> mBackingStore;
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nsRefPtr<DataStoreChangeEventProxy> mEventProxy;
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};
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class DataStoreChangeEventProxy MOZ_FINAL : public nsIDOMEventListener
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, public WorkerFeature
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIDOMEVENTLISTENER
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DataStoreChangeEventProxy(WorkerPrivate* aWorkerPrivate,
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WorkerDataStore* aWorkerStore);
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WorkerPrivate* GetWorkerPrivate() const;
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WorkerDataStore* GetWorkerStore() const;
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protected:
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// WorkerFeature implementation.
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bool Notify(JSContext* aCx, Status aStatus) MOZ_OVERRIDE;
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private:
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~DataStoreChangeEventProxy() {};
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WorkerPrivate* mWorkerPrivate;
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nsRefPtr<WorkerDataStore> mWorkerStore;
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bool mCleanedUp; // To specify if the worker has been cancelled.
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// Ensure the worker and the main thread won't race to access |mCleanedUp|.
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Mutex mCleanUpLock;
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};
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} //namespace workers
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} //namespace dom
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} //namespace mozilla
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#endif
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