mitkMimeTypeProvider.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef mitkMimeTypeProvider_h
#define mitkMimeTypeProvider_h
 
#include <mitkCustomMimeType.h>
#include <mitkIMimeTypeProvider.h>
 
#include <usServiceTracker.h>
#include <usServiceTrackerCustomizer.h>
 
#include <set>
 
namespace mitk
{
  struct MimeTypeTrackerTypeTraits : public us::TrackedTypeTraitsBase<MimeType, MimeTypeTrackerTypeTraits>
  {
    typedef MimeType TrackedType;
 
    static bool IsValid(const TrackedType &t) { return t.IsValid(); }
    static TrackedType DefaultValue() { return TrackedType(); }
    static void Dispose(TrackedType & /*t*/) {}
  };
 
  class MimeTypeProvider : public IMimeTypeProvider, private us::ServiceTrackerCustomizer<CustomMimeType, MimeType>
  {
  public:
    MimeTypeProvider();
    ~MimeTypeProvider() override;
 
    void Start();
 
    void Stop();
 
    std::vector<MimeType> GetMimeTypes() const override;
 
    std::vector<MimeType> GetMimeTypesForFile(const std::string &filePath) const override;
 
    std::vector<MimeType> GetMimeTypesForCategory(const std::string &category) const override;
 
    MimeType GetMimeTypeForName(const std::string &name) const override;
 
    std::vector<std::string> GetCategories() const override;
 
  private:
    TrackedType AddingService(const ServiceReferenceType &reference) override;
    void ModifiedService(const ServiceReferenceType &reference, TrackedType service) override;
    void RemovedService(const ServiceReferenceType &reference, TrackedType service) override;
 
    MimeType GetMimeType(const ServiceReferenceType &reference) const;
 
    us::ServiceTracker<CustomMimeType, MimeTypeTrackerTypeTraits> *m_Tracker;
 
    typedef std::map<std::string, std::set<MimeType>> MapType;
    MapType m_NameToMimeTypes; 
 
    std::map<std::string, MimeType> m_NameToMimeType; 
  };
}
 
#endif