mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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94 lines
2.8 KiB
C++
94 lines
2.8 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_PushNotifier_h
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#define mozilla_dom_PushNotifier_h
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#include "nsIPushNotifier.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIPrincipal.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "mozilla/Maybe.h"
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#define PUSHNOTIFIER_CONTRACTID \
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"@mozilla.org/push/Notifier;1"
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// These constants are duplicated in `PushComponents.js`.
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#define OBSERVER_TOPIC_PUSH "push-message"
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#define OBSERVER_TOPIC_SUBSCRIPTION_CHANGE "push-subscription-change"
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namespace mozilla {
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namespace dom {
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/**
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* `PushNotifier` implements the `nsIPushNotifier` interface. This service
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* forwards incoming push messages to service workers running in the content
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* process, and emits XPCOM observer notifications for system subscriptions.
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*
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* The XPCOM service can only be used from the main process. Callers running
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* in the content process should use
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* `ServiceWorkerManager::SendPush{SubscriptionChange}Event` directly.
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*/
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class PushNotifier final : public nsIPushNotifier
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{
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public:
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PushNotifier();
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(PushNotifier, nsIPushNotifier)
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NS_DECL_NSIPUSHNOTIFIER
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nsresult NotifyPush(const nsACString& aScope, nsIPrincipal* aPrincipal,
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Maybe<nsTArray<uint8_t>> aData);
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nsresult NotifyPushWorkers(const nsACString& aScope,
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nsIPrincipal* aPrincipal,
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Maybe<nsTArray<uint8_t>> aData);
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nsresult NotifySubscriptionChangeWorkers(const nsACString& aScope,
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nsIPrincipal* aPrincipal);
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protected:
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virtual ~PushNotifier();
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private:
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nsresult NotifyPushObservers(const nsACString& aScope,
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Maybe<nsTArray<uint8_t>> aData);
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nsresult NotifySubscriptionChangeObservers(const nsACString& aScope);
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bool ShouldNotifyObservers(nsIPrincipal* aPrincipal);
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bool ShouldNotifyWorkers(nsIPrincipal* aPrincipal);
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};
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/**
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* `PushMessage` implements the `nsIPushMessage` interface, similar to
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* the `PushMessageData` WebIDL interface. Instances of this class are
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* passed as the subject of `push-message` observer notifications for
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* system subscriptions.
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*/
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class PushMessage final : public nsIPushMessage
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{
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public:
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explicit PushMessage(const nsTArray<uint8_t>& aData);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(PushMessage,
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nsIPushMessage)
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NS_DECL_NSIPUSHMESSAGE
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protected:
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virtual ~PushMessage();
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private:
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nsresult EnsureDecodedText();
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nsTArray<uint8_t> mData;
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nsString mDecodedText;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PushNotifier_h
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