зеркало из https://github.com/mozilla/gecko-dev.git
75 строки
2.2 KiB
C++
75 строки
2.2 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_MediaKeySystemAccessManager_h
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#define mozilla_dom_MediaKeySystemAccessManager_h
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#include "mozilla/dom/MediaKeySystemAccess.h"
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#include "nsIObserver.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsISupportsImpl.h"
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#include "nsITimer.h"
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namespace mozilla {
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namespace dom {
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class DetailedPromise;
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class TestGMPVideoDecoder;
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class MediaKeySystemAccessManager final : public nsIObserver {
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public:
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explicit MediaKeySystemAccessManager(nsPIDOMWindowInner* aWindow);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(MediaKeySystemAccessManager,
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nsIObserver)
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NS_DECL_NSIOBSERVER
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void Request(DetailedPromise* aPromise, const nsAString& aKeySystem,
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const Sequence<MediaKeySystemConfiguration>& aConfig);
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void Shutdown();
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struct PendingRequest {
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PendingRequest(DetailedPromise* aPromise, const nsAString& aKeySystem,
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const Sequence<MediaKeySystemConfiguration>& aConfig,
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nsITimer* aTimer);
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PendingRequest(const PendingRequest& aOther);
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~PendingRequest();
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void CancelTimer();
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void RejectPromise(const nsCString& aReason);
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RefPtr<DetailedPromise> mPromise;
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const nsString mKeySystem;
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const Sequence<MediaKeySystemConfiguration> mConfigs;
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nsCOMPtr<nsITimer> mTimer;
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};
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private:
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enum RequestType { Initial, Subsequent };
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void Request(DetailedPromise* aPromise, const nsAString& aKeySystem,
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const Sequence<MediaKeySystemConfiguration>& aConfig,
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RequestType aType);
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~MediaKeySystemAccessManager();
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bool EnsureObserversAdded();
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bool AwaitInstall(DetailedPromise* aPromise, const nsAString& aKeySystem,
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const Sequence<MediaKeySystemConfiguration>& aConfig);
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void RetryRequest(PendingRequest& aRequest);
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nsTArray<PendingRequest> mRequests;
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nsCOMPtr<nsPIDOMWindowInner> mWindow;
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bool mAddedObservers;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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