mirror of
https://github.com/classilla/tenfourfox.git
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255 lines
6.6 KiB
C++
255 lines
6.6 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* We would like to expose PushManager and PushSubscription on window and
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* workers. Parts of the Push API is implemented in JS out of necessity due to:
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* 1) Using frame message managers, in which
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* nsIMessageListener::receiveMessage() must be in JS.
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* 2) It is easier to use certain APIs like the permission prompt and Promises
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* from JS.
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*
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* Unfortunately, JS-implemented WebIDL is not supported off the main thread. To
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* aid in fixing this, the nsIPushClient is introduced which deals with part (1)
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* above. Part (2) is handled by PushManagerImpl on the main thread. PushManager
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* wraps this in C++ since our bindings code cannot accomodate "JS-implemented
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* on the main thread, C++ on the worker" bindings. PushManager simply forwards
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* the calls to the JS component.
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*
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* On the worker threads, we don't have to deal with permission prompts, instead
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* we just reject calls if the principal does not have permission. On workers
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* WorkerPushManager dispatches runnables to the main thread which directly call
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* nsIPushClient.
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*
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* PushSubscription is in C++ on both threads since it isn't particularly
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* verbose to implement in C++ compared to JS.
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*/
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#ifndef mozilla_dom_PushManager_h
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#define mozilla_dom_PushManager_h
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#include "nsWrapperCache.h"
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/TypedArray.h"
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#include "nsCOMPtr.h"
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#include "mozilla/RefPtr.h"
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#include "jsapi.h"
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class nsIGlobalObject;
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class nsIPrincipal;
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#include "mozilla/dom/PushSubscriptionBinding.h"
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namespace mozilla {
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namespace dom {
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namespace workers {
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class WorkerPrivate;
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}
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class Promise;
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class PushManagerImpl;
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class PushSubscription final : public nsISupports
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, public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(PushSubscription)
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explicit PushSubscription(nsIGlobalObject* aGlobal,
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const nsAString& aEndpoint,
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const nsAString& aScope,
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const nsTArray<uint8_t>& aP256dhKey,
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const nsTArray<uint8_t>& aAuthSecret);
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JSObject*
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WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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nsIGlobalObject*
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GetParentObject() const
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{
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return mGlobal;
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}
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void
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GetEndpoint(nsAString& aEndpoint) const
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{
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aEndpoint = mEndpoint;
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}
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void
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GetKey(JSContext* cx,
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PushEncryptionKeyName aType,
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JS::MutableHandle<JSObject*> aKey);
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static already_AddRefed<PushSubscription>
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Constructor(GlobalObject& aGlobal,
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const nsAString& aEndpoint,
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const nsAString& aScope,
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const Nullable<ArrayBuffer>& aP256dhKey,
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const Nullable<ArrayBuffer>& aAuthSecret,
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ErrorResult& aRv);
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void
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SetPrincipal(nsIPrincipal* aPrincipal);
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already_AddRefed<Promise>
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Unsubscribe(ErrorResult& aRv);
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protected:
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~PushSubscription();
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private:
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nsCOMPtr<nsIGlobalObject> mGlobal;
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nsCOMPtr<nsIPrincipal> mPrincipal;
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nsString mEndpoint;
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nsString mScope;
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nsTArray<uint8_t> mRawP256dhKey;
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nsTArray<uint8_t> mAuthSecret;
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};
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class PushManager final : public nsISupports
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, public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(PushManager)
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explicit PushManager(nsIGlobalObject* aGlobal, const nsAString& aScope);
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nsIGlobalObject*
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GetParentObject() const
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{
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return mGlobal;
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}
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JSObject*
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WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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already_AddRefed<Promise>
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Subscribe(ErrorResult& aRv);
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already_AddRefed<Promise>
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GetSubscription(ErrorResult& aRv);
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already_AddRefed<Promise>
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PermissionState(ErrorResult& aRv);
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void
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SetPushManagerImpl(PushManagerImpl& foo, ErrorResult& aRv);
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protected:
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~PushManager();
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private:
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nsCOMPtr<nsIGlobalObject> mGlobal;
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RefPtr<PushManagerImpl> mImpl;
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nsString mScope;
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};
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class WorkerPushSubscription final : public nsISupports
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, public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(WorkerPushSubscription)
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explicit WorkerPushSubscription(const nsAString& aEndpoint,
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const nsAString& aScope,
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const nsTArray<uint8_t>& aRawP256dhKey,
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const nsTArray<uint8_t>& aAuthSecret);
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nsIGlobalObject*
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GetParentObject() const
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{
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return nullptr;
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}
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JSObject*
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WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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static already_AddRefed<WorkerPushSubscription>
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Constructor(GlobalObject& aGlobal,
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const nsAString& aEndpoint,
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const nsAString& aScope,
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const Nullable<ArrayBuffer>& aP256dhKey,
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const Nullable<ArrayBuffer>& aAuthSecret,
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ErrorResult& aRv);
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void
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GetEndpoint(nsAString& aEndpoint) const
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{
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aEndpoint = mEndpoint;
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}
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void
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GetKey(JSContext* cx, PushEncryptionKeyName aType,
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JS::MutableHandle<JSObject*> aP256dhKey);
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already_AddRefed<Promise>
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Unsubscribe(ErrorResult& aRv);
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protected:
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~WorkerPushSubscription();
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private:
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nsString mEndpoint;
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nsString mScope;
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nsTArray<uint8_t> mRawP256dhKey;
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nsTArray<uint8_t> mAuthSecret;
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};
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class WorkerPushManager final : public nsISupports
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, public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(WorkerPushManager)
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enum SubscriptionAction {
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SubscribeAction,
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GetSubscriptionAction,
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};
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explicit WorkerPushManager(const nsAString& aScope);
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nsIGlobalObject*
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GetParentObject() const
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{
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return nullptr;
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}
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JSObject*
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WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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already_AddRefed<Promise>
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PerformSubscriptionAction(SubscriptionAction aAction, ErrorResult& aRv);
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already_AddRefed<Promise>
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Subscribe(ErrorResult& aRv);
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already_AddRefed<Promise>
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GetSubscription(ErrorResult& aRv);
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already_AddRefed<Promise>
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PermissionState(ErrorResult& aRv);
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protected:
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~WorkerPushManager();
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private:
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nsString mScope;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PushManager_h
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