qt-creator/src/plugins/diffeditor/diffeditorreloader.cpp

/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of Qt Creator.
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#include "diffeditorreloader.h"
#include "diffeditorcontroller.h"

namespace DiffEditor {

DiffEditorReloader::DiffEditorReloader(QObject *parent)
    : QObject(parent),
      m_controller(0),
      m_reloading(false)
{
}

DiffEditorReloader::~DiffEditorReloader()
{

}

DiffEditorController *DiffEditorReloader::controller() const
{
    return m_controller;
}

void DiffEditorReloader::setController(DiffEditorController *controller)
{
    if (m_controller == controller)
        return; // nothing changes

    if (m_controller) {
        disconnect(m_controller, SIGNAL(ignoreWhitespaceChanged(bool)),
                   this, SLOT(requestReload()));
        disconnect(m_controller, SIGNAL(contextLinesNumberChanged(int)),
                   this, SLOT(requestReload()));
    }

    m_controller = controller;

    if (m_controller) {
        connect(m_controller, SIGNAL(ignoreWhitespaceChanged(bool)),
                this, SLOT(requestReload()));
        connect(m_controller, SIGNAL(contextLinesNumberChanged(int)),
                this, SLOT(requestReload()));
    }
}

void DiffEditorReloader::requestReload()
{
    if (m_reloading)
        return;

    if (!m_controller)
        return;

    m_reloading = true;

    reload();
}

bool DiffEditorReloader::isReloading() const
{
    return m_reloading;
}

void DiffEditorReloader::reloadFinished()
{
    m_reloading = false;
}

} // namespace DiffEditor