berryIAdapterManager.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 BERRYIADAPTERMANAGER_H_
#define BERRYIADAPTERMANAGER_H_

#include <berryMacros.h>

#include <org_blueberry_core_runtime_Export.h>

#include "berryPlatformObject.h"
#include "berryIAdapterFactory.h"

#include <QtPlugin>

#include <typeinfo>

namespace berry
{

struct org_blueberry_core_runtime_EXPORT IAdapterManager: public Object
{

  berryObjectMacro(berry::IAdapterManager);

  static const int NONE;

  static const int NOT_LOADED;

  static const int LOADED;

  template<typename A>
  A* GetAdapter(const Object* adaptable)
  {
    const char* typeName = qobject_interface_iid<A*>();
    if (typeName == nullptr)
    {
      BERRY_WARN << "Error getting adapter for '" << Reflection::GetClassName(adaptable) << "': "
                 << "Cannot get the interface id for type '" << Reflection::GetClassName<A>()
                 << "'. It is probably missing a Q_DECLARE_INTERFACE macro in its header.";
      return nullptr;
    }
    return dynamic_cast<A*>(this->GetAdapter(adaptable, typeName, false));
  }

  virtual Object* GetAdapter(const Object* adaptable, const QString& adapterTypeName) = 0;

  virtual bool HasAdapter(const Object* adaptableType, const QString& adapterType) = 0;

  template<typename A>
  int QueryAdapter(const Object* adaptable)
  {
    const char* typeName = qobject_interface_iid<A*>();
    if (typeName == nullptr)
    {
      BERRY_WARN << "Error querying adapter manager for '" << Reflection::GetClassName(adaptable) << "': "
                 << "Cannot get the interface id for type '" << Reflection::GetClassName<A>()
                 << "'. It is probably missing a Q_DECLARE_INTERFACE macro in its header.";
      return NONE;
    }
    return this->QueryAdapter(adaptable, typeName);
  }

  virtual int QueryAdapter(const Object* adaptableType, const QString& adapterType) = 0;

  template<typename A>
  A* LoadAdapter(const Object* adaptable)
  {
    const char* typeName = qobject_interface_iid<A*>();
    if (typeName == nullptr)
    {
      BERRY_WARN << "Error getting adapter for '" << Reflection::GetClassName(adaptable) << "': "
                 << "Cannot get the interface id for type '" << Reflection::GetClassName<A>()
                 << "'. It is probably missing a Q_DECLARE_INTERFACE macro in its header.";
      return nullptr;
    }
    return dynamic_cast<A*>(this->GetAdapter(adaptable, typeName, true));
  }

  virtual void RegisterAdapters(IAdapterFactory* factory,
                                const QString& adaptableTypeName) = 0;

  virtual void UnregisterAdapters(IAdapterFactory* factory) = 0;

  virtual void UnregisterAdapters(IAdapterFactory* factory,
                                  const QString& adaptableTypeName) = 0;

private:

  virtual Object* GetAdapter(const Object* adaptable, const QString& adapterType, bool force) = 0;
};

} // namespace berry

Q_DECLARE_INTERFACE(berry::IAdapterManager, "org.blueberry.service.IAdapterManager")

#endif /*BERRYIADAPTERMANAGER_H_*/