MFContentProtectionManager.h

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/* 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_PLATFORM_WMF_MFCONTENTPROTECTIONMANAGER_H

#define DOM_MEDIA_PLATFORM_WMF_MFCONTENTPROTECTIONMANAGER_H

#include <mfapi.h>

#include <mfidl.h>

#include <windows.media.protection.h>

#include <wrl.h>

#include "MFCDMProxy.h"

namespace mozilla {

/**

 * MFContentProtectionManager is used to enable the encrypted playback for the

 * media engine.

 * https://docs.microsoft.com/en-us/windows/win32/api/mfidl/nn-mfidl-imfcontentprotectionmanager

 * https://docs.microsoft.com/en-us/uwp/api/windows.media.protection.mediaprotectionmanager

*/

class MFContentProtectionManager

    : public Microsoft::WRL::RuntimeClass<

          Microsoft::WRL::RuntimeClassFlags<

              Microsoft::WRL::RuntimeClassType::WinRtClassicComMix |

              Microsoft::WRL::RuntimeClassType::InhibitRoOriginateError>,

          IMFContentProtectionManager,

          ABI::Windows::Media::Protection::IMediaProtectionManager> {

 public:

  MFContentProtectionManager();

  ~MFContentProtectionManager();

  HRESULT RuntimeClassInitialize();

  void Shutdown();

  // IMFContentProtectionManager.

  IFACEMETHODIMP BeginEnableContent(IMFActivate* aEnablerActivate,

                                    IMFTopology* aTopology,

                                    IMFAsyncCallback* aCallback,

                                    IUnknown* aState) override;

  IFACEMETHODIMP EndEnableContent(IMFAsyncResult* aAsyncResult) override;

  // IMediaProtectionManager.

  // MFMediaEngine can query this interface to invoke get_Properties().

  IFACEMETHODIMP add_ServiceRequested(

      ABI::Windows::Media::Protection::IServiceRequestedEventHandler* aHandler,

      EventRegistrationToken* aCookie) override;

  IFACEMETHODIMP remove_ServiceRequested(

      EventRegistrationToken aCookie) override;

  IFACEMETHODIMP add_RebootNeeded(

      ABI::Windows::Media::Protection::IRebootNeededEventHandler* aHandler,

      EventRegistrationToken* aCookie) override;

  IFACEMETHODIMP remove_RebootNeeded(EventRegistrationToken aCookie) override;

  IFACEMETHODIMP add_ComponentLoadFailed(

      ABI::Windows::Media::Protection::IComponentLoadFailedEventHandler*

          aHandler,

      EventRegistrationToken* aCookie) override;

  IFACEMETHODIMP remove_ComponentLoadFailed(

      EventRegistrationToken aCookie) override;

  IFACEMETHODIMP get_Properties(

      ABI::Windows::Foundation::Collections::IPropertySet** aValue) override;

  HRESULT SetCDMProxy(MFCDMProxy* aCDMProxy);

  MFCDMProxy* GetCDMProxy() const { return mCDMProxy; }

 private:

  HRESULT SetPMPServer(

      ABI::Windows::Media::Protection::IMediaProtectionPMPServer* aPMPServer);

  RefPtr<MFCDMProxy> mCDMProxy;

  Microsoft::WRL::ComPtr<ABI::Windows::Foundation::Collections::IPropertySet>

      mPMPServerSet;

};

}  // namespace mozilla

#endif  // DOM_MEDIA_PLATFORM_WMF_MFCONTENTPROTECTIONMANAGER_H