progressbarmanager.hh

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/*
 * Scroom - Generic viewer for 2D data
 * Copyright (C) 2009-2022 Kees-Jan Dijkzeul
 *
 * SPDX-License-Identifier: LGPL-2.1
 */
 
#pragma once
 
#include <gtk/gtk.h>
 
#include <scroom/viewinterface.hh>
 
class ProgressBarManager : public ProgressInterface
{
public:
  using Ptr = boost::shared_ptr<ProgressBarManager>;
 
private:
  GtkProgressBar* progressBar;
  bool            isWaiting{false};
 
private:
  explicit ProgressBarManager(GtkProgressBar* progressBar);
 
  void stopWaiting();
  void startWaiting();
 
public:
  static Ptr create(GtkProgressBar* progressBar = nullptr);
 
  ~ProgressBarManager() override;
  ProgressBarManager(const ProgressBarManager&)           = delete;
  ProgressBarManager(ProgressBarManager&&)                = delete;
  ProgressBarManager operator=(const ProgressBarManager&) = delete;
  ProgressBarManager operator=(ProgressBarManager&&)      = delete;
 
 
  void setProgressBar(GtkProgressBar* progressBar);
 
  // ProgressInterface ///////////////////////////////////////////////////
 
  void setIdle() override;
  void setWaiting(double progress = 0.0) override;
  void setWorking(double progress) override;
  void setFinished() override;
};