passbackendfactory.h

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// SPDX-FileCopyrightText: 2016 Anne Jan Brouwer
// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef SRC_PASSBACKENDFACTORY_H_
#define SRC_PASSBACKENDFACTORY_H_
 
#include "imitatepass.h"
#include "realpass.h"
 
#include <QScopedPointer>
 
class Pass;

class PassBackendFactory {
public:
  static auto getPass() -> Pass *;
  static auto getRealPass() -> RealPass *;
  static auto getImitatePass() -> ImitatePass *;
  static void invalidate();
  static auto isIdle() -> bool;
 
private:
  static Pass *pass;
  // Go via pointer to avoid dynamic initialization, due to "random"
  // initialization order relative to other globals, especially around QObject
  // metadata dynamic initialization can lead to crashes depending on compiler,
  // linker etc.
  static QScopedPointer<RealPass> realPass;
  static QScopedPointer<ImitatePass> imitatePass;

  PassBackendFactory() = default;
};
 
#endif // SRC_PASSBACKENDFACTORY_H_