text: /*
   * Copyright (C) 2013 Google Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef MIDIController_h
  #define MIDIController_h
  
  #include "core/frame/LocalFrame.h"
  #include "platform/heap/Handle.h"
  #include <memory>
  
  namespace blink {
  
  class MIDIAccessInitializer;
  class MIDIClient;
  class MIDIOptions;
  
  class MIDIController final : public GarbageCollectedFinalized<MIDIController>, public Supplement<LocalFrame> {
      USING_GARBAGE_COLLECTED_MIXIN(MIDIController);
  public:
      virtual ~MIDIController();
  
      void requestPermission(MIDIAccessInitializer*, const MIDIOptions&);
      void cancelPermissionRequest(MIDIAccessInitializer*);
  
      static MIDIController* create(std::unique_ptr<MIDIClient>);
      static const char* supplementName();
      static MIDIController* from(LocalFrame* frame) { return static_cast<MIDIController*>(Supplement<LocalFrame>::from(frame, supplementName())); }
  
      DEFINE_INLINE_VIRTUAL_TRACE() { Supplement<LocalFrame>::trace(visitor); }
  
  protected:
      explicit MIDIController(std::unique_ptr<MIDIClient>);
  
  private:
      std::unique_ptr<MIDIClient> m_client;
  };
  
  } // namespace blink
  
  #endif // MIDIController_h
  