view main/NetworkPermissionTester.cpp @ 1583:0510dea7ef84 dev/refactor-piper-related

Introduce some POD structs for describing an external server application and the desired libraries to load from it, and disambiguating between empty list request and invalid list request. This allows for overriding PiperVampPluginFactory behaviour for using a PluginScan to populate the list request.

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    
    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.  See the file
    COPYING included with this distribution for more information.
*/

#include "NetworkPermissionTester.h"

#include "../version.h"

#include <QWidget>
#include <QString>
#include <QSettings>
#include <QCoreApplication>
#include <QDialog>
#include <QGridLayout>
#include <QLabel>
#include <QDialogButtonBox>
#include <QCheckBox>

bool
NetworkPermissionTester::havePermission()
{
    QSettings settings;
    settings.beginGroup("Preferences");
    
    QString tag = QString("network-permission-%1").arg(SV_VERSION);

    bool permish = false;

    if (settings.contains(tag)) {
	permish = settings.value(tag, false).toBool();
    } else {

	QDialog d;
	d.setWindowTitle(QCoreApplication::translate("NetworkPermissionTester", "Welcome to Sonic Visualiser"));

	QGridLayout *layout = new QGridLayout;
	d.setLayout(layout);

	QLabel *label = new QLabel;
	label->setWordWrap(true);
	label->setText
	    (QCoreApplication::translate
	     ("NetworkPermissionTester",
	      "<h2>Welcome to Sonic Visualiser!</h2>"
	      "<p><img src=\":icons/qm-logo-smaller.png\" style=\"float:right\">Sonic Visualiser is a program for viewing and exploring audio data for semantic music analysis and annotation.</p>"
	      "<p>Developed in the Centre for Digital Music at Queen Mary, University of London, Sonic Visualiser is provided free as open source software under the GNU General Public License.</p>"
              "<p><hr></p>"
	      "<p><b>Before we go on...</b></p>"
	      "<p>Sonic Visualiser would like to make networking connections and open a network port.</p>"
	      "<p>This is to:</p>"
	      "<ul><li> Find information about available and installed plugins;</li>"
	      "<li> Support the use of Open Sound Control, where configured; and</li>"
	      "<li> Tell you when updates are available.</li>"
              "</ul>"
	      "<p>No personal information will be sent, no tracking is carried out, and all requests happen in the background without interrupting your work.</p>"
	      "<p>We recommend that you allow this, because it makes Sonic Visualiser more useful. But if you do not wish to do so, please un-check the box below.<br></p>"));
	layout->addWidget(label, 0, 0);

	QCheckBox *cb = new QCheckBox(QCoreApplication::translate("NetworkPermissionTester", "Allow this"));
	cb->setChecked(true);
	layout->addWidget(cb, 1, 0);
	
	QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok);
	QObject::connect(bb, SIGNAL(accepted()), &d, SLOT(accept()));
	layout->addWidget(bb, 2, 0);
	
	d.exec();

        permish = cb->isChecked();
	settings.setValue(tag, permish);
    }

    settings.endGroup();

    return permish;
}