implementation_helper.h

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// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef SHAKA_EMBEDDED_EME_IMPLEMENTATION_HELPER_H_
#define SHAKA_EMBEDDED_EME_IMPLEMENTATION_HELPER_H_

#include <string>

#include "../macros.h"
#include "configuration.h"

namespace shaka {
namespace eme {

class SHAKA_EXPORT ImplementationHelper {
 public:
  // Note that we may not be able to add new members without breaking ABI on
  // Windows.  We may be able to do it so long as we use clang.

  virtual std::string DataPathPrefix() const = 0;


  virtual void OnMessage(const std::string& session_id,
                         MediaKeyMessageType message_type, const uint8_t* data,
                         size_t data_size) const = 0;

  virtual void OnKeyStatusChange(const std::string& session_id) const = 0;

 protected:
  SHAKA_DECLARE_INTERFACE_METHODS(ImplementationHelper);
};

}  // namespace eme
}  // namespace shaka

#endif  // SHAKA_EMBEDDED_EME_IMPLEMENTATION_HELPER_H_