kicad/include/progress_reporter.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 CERN
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef PROGRESS_REPORTER_H
#define PROGRESS_REPORTER_H
/**
* A progress reporter interface for use in multi-threaded environments. The various advancement
* and message methods can be called from sub-threads. The KeepRefreshing method *MUST* be called
* only from the main thread (primarily a MSW requirement, which won't allow access to UI objects
* allocated from a separate thread).
*/
class PROGRESS_REPORTER
{
public:
PROGRESS_REPORTER()
{ }
PROGRESS_REPORTER( const PROGRESS_REPORTER& ) = delete;
virtual ~PROGRESS_REPORTER()
{ }
/**
* Set the number of phases.
*/
virtual void SetNumPhases( int aNumPhases ) = 0;
virtual void AddPhases( int aNumPhases ) = 0;
/**
* Initialize the \a aPhase virtual zone of the dialog progress bar.
*/
virtual void BeginPhase( int aPhase ) = 0;
/**
* Use the next available virtual zone of the dialog progress bar.
*/
virtual void AdvancePhase() = 0;
/**
* Use the next available virtual zone of the dialog progress bar and updates the message.
*/
virtual void AdvancePhase( const wxString& aMessage ) = 0;
/**
* Display \a aMessage in the progress bar dialog.
*/
virtual void Report( const wxString& aMessage ) = 0;
/**
* Set the progress value to aProgress (0..1).
*/
virtual void SetCurrentProgress( double aProgress ) = 0;
/**
* Fix the value that gives the 100 percent progress bar length
* (inside the current virtual zone).
*/
virtual void SetMaxProgress( int aMaxProgress ) = 0;
/**
* Increment the progress bar length (inside the current virtual zone).
*/
virtual void AdvanceProgress() = 0;
/**
* Update the UI (if any).
*
* @warning This should only be called from the main thread.
*
* @return false if the user cancelled.
*/
virtual bool KeepRefreshing( bool aWait = false ) = 0;
/**
* Change the title displayed on the window caption.
*
* Has meaning only for some reporters. Does nothing for others.
*
* @warning This should only be called from the main thread.
*/
virtual void SetTitle( const wxString& aTitle ) = 0;
virtual bool IsCancelled() const = 0;
};
#endif