qgsprocessingfeedback.h

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/***************************************************************************
                         qgsprocessingfeedback.h
                         -----------------------
    begin                : December 2016
    copyright            : (C) 2016 by Nyall Dawson
    email                : nyall dot dawson at gmail dot com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QGSPROCESSINGFEEDBACK_H
#define QGSPROCESSINGFEEDBACK_H

#include "qgis_core.h"
#include "qgsfeedback.h"
#include "qgsmessagelog.h"

class QgsProcessingProvider;

class CORE_EXPORT QgsProcessingFeedback : public QgsFeedback
{
    Q_OBJECT

  public:

    QgsProcessingFeedback( bool logFeedback = true );

    virtual void setProgressText( const QString &text );

    virtual void reportError( const QString &error, bool fatalError = false );

    virtual void pushWarning( const QString &warning );

    virtual void pushInfo( const QString &info );

    virtual void pushCommandInfo( const QString &info );

    virtual void pushDebugInfo( const QString &info );

    virtual void pushConsoleInfo( const QString &info );

    void pushVersionInfo( const QgsProcessingProvider *provider = nullptr );

    virtual QString htmlLog() const;

    virtual QString textLog() const;

  private:
    bool mLogFeedback = true;
    QString mHtmlLog;
    QString mTextLog;

};


class CORE_EXPORT QgsProcessingMultiStepFeedback : public QgsProcessingFeedback
{
    Q_OBJECT

  public:

    QgsProcessingMultiStepFeedback( int steps, QgsProcessingFeedback *feedback );

    void setCurrentStep( int step );

    void setProgressText( const QString &text ) override;
    void reportError( const QString &error, bool fatalError = false ) override;
    void pushWarning( const QString &warning ) override;
    void pushInfo( const QString &info ) override;
    void pushCommandInfo( const QString &info ) override;
    void pushDebugInfo( const QString &info ) override;
    void pushConsoleInfo( const QString &info ) override;
    QString htmlLog() const override;
    QString textLog() const override;
  private slots:

    void updateOverallProgress( double progress );

  private:

    int mChildSteps = 0;
    int mCurrentStep = 0;
    QgsProcessingFeedback *mFeedback = nullptr;
};

#endif // QGSPROCESSINGFEEDBACK_H