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The Tor Browser
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MediaKeySystemAccess.h (2832B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_MediaKeySystemAccess_h
      8 #define mozilla_dom_MediaKeySystemAccess_h
      9 
     10 #include "js/TypeDecls.h"
     11 #include "mozilla/KeySystemConfig.h"
     12 #include "mozilla/dom/MediaKeySystemAccessBinding.h"
     13 #include "mozilla/dom/MediaKeysRequestStatusBinding.h"
     14 #include "mozilla/dom/Promise.h"
     15 #include "nsCycleCollectionParticipant.h"
     16 #include "nsWrapperCache.h"
     17 
     18 namespace mozilla {
     19 
     20 class DecoderDoctorDiagnostics;
     21 class ErrorResult;
     22 
     23 namespace dom {
     24 
     25 class IPCOriginStatusEntry;
     26 struct MediaKeySystemAccessRequest;
     27 
     28 class MediaKeySystemAccess final : public nsISupports, public nsWrapperCache {
     29 public:
     30  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     31  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(MediaKeySystemAccess)
     32 
     33 public:
     34  explicit MediaKeySystemAccess(nsPIDOMWindowInner* aParent,
     35                                const nsAString& aKeySystem,
     36                                const MediaKeySystemConfiguration& aConfig);
     37 
     38 #ifdef MOZ_WMF_CDM
     39  static void UpdateMFCDMOriginEntries(
     40      const nsTArray<IPCOriginStatusEntry>& aEntries);
     41 #endif
     42 
     43 protected:
     44  ~MediaKeySystemAccess();
     45 
     46 public:
     47  nsPIDOMWindowInner* GetParentObject() const;
     48 
     49  JSObject* WrapObject(JSContext* aCx,
     50                       JS::Handle<JSObject*> aGivenProto) override;
     51 
     52  void GetKeySystem(nsString& aRetVal) const;
     53 
     54  void GetConfiguration(MediaKeySystemConfiguration& aConfig);
     55 
     56  already_AddRefed<Promise> CreateMediaKeys(ErrorResult& aRv);
     57 
     58  static MediaKeySystemStatus GetKeySystemStatus(
     59      const MediaKeySystemAccessRequest& aRequest,
     60      nsACString& aOutExceptionMessage);
     61 
     62  static void NotifyObservers(nsPIDOMWindowInner* aWindow,
     63                              const nsAString& aKeySystem,
     64                              MediaKeySystemStatus aStatus);
     65 
     66  static RefPtr<KeySystemConfig::KeySystemConfigPromise> GetSupportedConfig(
     67      MediaKeySystemAccessRequest* aRequest, bool aIsPrivateBrowsing,
     68      const Document* aDocument);
     69 
     70  static RefPtr<GenericPromise> KeySystemSupportsInitDataType(
     71      const nsAString& aKeySystem, const nsAString& aInitDataType,
     72      bool aIsHardwareDecryption, bool aIsPrivateBrowsing);
     73 
     74  static nsCString ToCString(
     75      const Sequence<MediaKeySystemConfiguration>& aConfig);
     76 
     77  static nsCString ToCString(const MediaKeySystemConfiguration& aConfig);
     78 
     79 private:
     80  nsCOMPtr<nsPIDOMWindowInner> mParent;
     81  const nsString mKeySystem;
     82  const MediaKeySystemConfiguration mConfig;
     83 };
     84 
     85 }  // namespace dom
     86 }  // namespace mozilla
     87 
     88 #endif  // mozilla_dom_MediaKeySystemAccess_h