зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
2.5 KiB
C++
92 строки
2.5 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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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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* broadcasts XPCOM observer notifications for incoming push messages, then
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* forwards incoming push messages to service workers.
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*
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* All scriptable methods on this interface may be called from the parent or
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* content process. Observer notifications are broadcasted to both processes.
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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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private:
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virtual ~PushNotifier();
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nsresult NotifyPush(const nsACString& aScope, nsIPrincipal* aPrincipal,
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const nsAString& aMessageId,
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const Maybe<nsTArray<uint8_t>>& aData);
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nsresult DoNotifyObservers(nsISupports *aSubject, const char *aTopic,
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const nsACString& aScope);
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bool ShouldNotifyWorkers(nsIPrincipal* aPrincipal);
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};
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/**
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* `PushData` provides methods for retrieving push message data in different
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* formats. This class is similar to the `PushMessageData` WebIDL interface.
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*/
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class PushData final : public nsIPushData
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{
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public:
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explicit PushData(const nsTArray<uint8_t>& aData);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(PushData, nsIPushData)
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NS_DECL_NSIPUSHDATA
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private:
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virtual ~PushData();
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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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/**
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* `PushMessage` exposes the subscription principal and data for a push
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* message. Each `push-message` observer receives an instance of this class
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* as the subject.
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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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PushMessage(nsIPrincipal* aPrincipal, nsIPushData* aData);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(PushMessage, nsIPushMessage)
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NS_DECL_NSIPUSHMESSAGE
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private:
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virtual ~PushMessage();
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nsCOMPtr<nsIPrincipal> mPrincipal;
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nsCOMPtr<nsIPushData> mData;
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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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