WMFCDMProxy.h - mozsearch

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim:set ts=2 sw=2 sts=2 et cindent: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef DOM_MEDIA_EME_MEDIAFOUNDATION_WMFCDMPROXY_H_

#define DOM_MEDIA_EME_MEDIAFOUNDATION_WMFCDMPROXY_H_

#include "mozilla/CDMProxy.h"

#include "mozilla/CDMCaps.h"

#include "mozilla/MozPromise.h"

#include "mozilla/dom/BindingDeclarations.h"

#include "mozilla/dom/MediaKeys.h"

#include "mozilla/dom/MediaKeySession.h"

#include "mozilla/RefPtr.h"

#include "mozilla/WMFCDMImpl.h"

#include "nsString.h"

namespace dom {

struct MediaKeySystemMediaCapability;

};

namespace mozilla {

class WMFCDMProxyCallback;

class WMFCDMProxy : public CDMProxy {

 public:

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WMFCDMProxy, override)

  WMFCDMProxy(dom::MediaKeys* aKeys, const nsAString& aKeySystem,

              const dom::MediaKeySystemConfiguration& aConfig);

  // CDMProxy interface

  void Init(PromiseId aPromiseId, const nsAString& aOrigin,

            const nsAString& aTopLevelOrigin, const nsAString& aName) override;

  void CreateSession(uint32_t aCreateSessionToken,

                     MediaKeySessionType aSessionType, PromiseId aPromiseId,

                     const nsAString& aInitDataType,

                     nsTArray<uint8_t>& aInitData) override;

  void LoadSession(PromiseId aPromiseId, dom::MediaKeySessionType aSessionType,

                   const nsAString& aSessionId) override;

  void SetServerCertificate(PromiseId aPromiseId,

                            nsTArray<uint8_t>& aCert) override;

  void UpdateSession(const nsAString& aSessionId, PromiseId aPromiseId,

                     nsTArray<uint8_t>& aResponse) override;

  void CloseSession(const nsAString& aSessionId, PromiseId aPromiseId) override;

  void RemoveSession(const nsAString& aSessionId,

                     PromiseId aPromiseId) override;

  void QueryOutputProtectionStatus() override {}

  void NotifyOutputProtectionStatus(

      OutputProtectionCheckStatus aCheckStatus,

      OutputProtectionCaptureStatus aCaptureStatus) override {}

  void Shutdown() override;

  void Terminated() override {}

  void OnSetSessionId(uint32_t aCreateSessionToken,

                      const nsAString& aSessionId) override {}

  void OnResolveLoadSessionPromise(uint32_t aPromiseId,

                                   bool aSuccess) override {}

  void OnSessionMessage(const nsAString& aSessionId,

                        dom::MediaKeyMessageType aMessageType,

                        const nsTArray<uint8_t>& aMessage) override;

  void OnExpirationChange(const nsAString& aSessionId,

                          UnixTime aExpiryTime) override;

  void OnSessionClosed(const nsAString& aSessionId) override {}

  void OnSessionError(const nsAString& aSessionId, nsresult aException,

                      uint32_t aSystemCode, const nsAString& aMsg) override {}

  void OnRejectPromise(uint32_t aPromiseId, ErrorResult&& aException,

                       const nsCString& aMsg) override {}

  RefPtr<DecryptPromise> Decrypt(MediaRawData* aSample) override {

    return nullptr;

  void OnDecrypted(uint32_t aId, DecryptStatus aResult,

                   const nsTArray<uint8_t>& aDecryptedData) override {}

  void ResolvePromise(PromiseId aId) override;

  void RejectPromise(PromiseId aId, ErrorResult&& aException,

                     const nsCString& aReason) override;

  void OnKeyStatusesChange(const nsAString& aSessionId) override;

  void GetStatusForPolicy(PromiseId aPromiseId,

                          const dom::HDCPVersion& aMinHdcpVersion) override;

#ifdef DEBUG

  bool IsOnOwnerThread() override {

    return NS_GetCurrentThread() == mOwnerThread;

#endif

  WMFCDMProxy* AsWMFCDMProxy() override { return this; }

  bool IsHardwareDecryptionSupported() const override;

  // Can only be called after initialization succeeded.

  uint64_t GetCDMProxyId() const;

 private:

  virtual ~WMFCDMProxy();

  template <typename T>

  void ResolvePromiseWithResult(PromiseId aId, const T& aResult) {}

  void RejectPromiseOnMainThread(PromiseId aId,

                                 CopyableErrorResult&& aException,

                                 const nsCString& aReason);

  // Reject promise with an InvalidStateError and the given message.

  void RejectPromiseWithStateError(PromiseId aId, const nsCString& aReason);

  // For HDCP GetStatusForPolicy usage.

  void ResolvePromiseWithKeyStatus(const PromiseId& aId,

                                   const dom::MediaKeyStatus& aStatus);

  CopyableTArray<MFCDMMediaCapability> GenerateMFCDMMediaCapabilities(

      const dom::Sequence<dom::MediaKeySystemMediaCapability>& aCapabilities,

      const Maybe<nsString>& forcedRobustness = Nothing());

  RefPtr<WMFCDMImpl> mCDM;

  const dom::MediaKeySystemConfiguration mConfig;

  RefPtr<WMFCDMProxyCallback> mProxyCallback;

  // It can only be used on the main thread.

  bool mIsShutdown = false;

};

}  // namespace mozilla

#endif  // DOM_MEDIA_EME_MEDIAFOUNDATION_WMFCDMPROXY_H_