text: // Copyright 2017 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef MEDIA_CDM_CDM_ADAPTER_FACTORY_H_
  #define MEDIA_CDM_CDM_ADAPTER_FACTORY_H_
  
  #include <memory>
  
  #include "base/callback_forward.h"
  #include "media/base/cdm_factory.h"
  #include "media/base/media_export.h"
  #include "media/cdm/cdm_auxiliary_helper.h"
  
  namespace media {
  
  class MEDIA_EXPORT CdmAdapterFactory final : public CdmFactory {
   public:
    // Callback to create CdmAllocator for the created CDM.
    using HelperCreationCB =
        base::RepeatingCallback<std::unique_ptr<CdmAuxiliaryHelper>()>;
  
    explicit CdmAdapterFactory(HelperCreationCB helper_creation_cb);
  
    CdmAdapterFactory(const CdmAdapterFactory&) = delete;
    CdmAdapterFactory& operator=(const CdmAdapterFactory&) = delete;
  
    ~CdmAdapterFactory() override;
  
    // CdmFactory implementation.
    void Create(const CdmConfig& cdm_config,
                const SessionMessageCB& session_message_cb,
                const SessionClosedCB& session_closed_cb,
                const SessionKeysChangeCB& session_keys_change_cb,
                const SessionExpirationUpdateCB& session_expiration_update_cb,
                CdmCreatedCB cdm_created_cb) override;
  
   private:
    // Callback to create CdmAuxiliaryHelper for the created CDM.
    HelperCreationCB helper_creation_cb_;
  };
  
  }  // namespace media
  
  #endif  // MEDIA_CDM_CDM_ADAPTER_FACTORY_H_
  