1 files changed, 87 insertions, 0 deletions
diff --git a/facetracknoir/software-update-dialog.hpp b/facetracknoir/software-update-dialog.hpp
new file mode 100644
index 00000000..d6353396
--- /dev/null
+++ b/facetracknoir/software-update-dialog.hpp
@@ -0,0 +1,87 @@
+#pragma once
+
+#include <QtNetwork>
+#include <QDialog>
+#include <QSettings>
+#include <QString>
+#include <QRegExp>
+#include <functional>
+#include "ui_software-update.h"
+#include "opentrack/options.hpp"
+
+extern "C" volatile const char* opentrack_version;
+
+class update_dialog : public QDialog
+{
+    Q_OBJECT
+public:
+    struct query
+    {
+        query(QWidget* parent) : parent(parent), qnam(parent) {}
+
+        QWidget* parent;
+        QNetworkAccessManager qnam;
+        QByteArray buf;
+        QNetworkReply* r;
+        void on_finished()
+        {
+            if (r->error() != QNetworkReply::NoError)
+            {
+                qDebug() << "update error" << r->errorString();
+                return;
+            }
+            QString str(buf);
+            QRegExp re("OPENTRACK_VERSION([a-zA-Z0-9_.-]+)");
+            int idx = re.indexIn(str);
+            if (idx != -1)
+            {
+                str = re.cap(1);
+                QSettings s(OPENTRACK_ORG);
+                QString quiet_version = s.value("quiet-update-version").toString();
+
+                if (!str.isEmpty() && str != const_cast<const char*>(opentrack_version) && str != quiet_version)
+                {
+                    qDebug() << "update version" << str;
+                    update_dialog dlg(parent, *this, str);
+                    dlg.show();
+                    dlg.raise();
+                    dlg.exec();
+                    if (dlg.ui.disable_reminder->isChecked())
+                        s.setValue("quiet-update-version", str);
+                }
+            }
+            buf.clear();
+            r->deleteLater();
+        }
+        void on_ready()
+        {
+            buf.append(r->readAll());
+        }
+        void maybe_show_dialog()
+        {
+            static auto uri = QStringLiteral("http://www.trackhat.org/#!opentrackversion/c1oxn");
+            r = qnam.get(QNetworkRequest(uri));
+
+            QObject::connect(r, &QNetworkReply::finished, [&]() { on_finished(); });
+            QObject::connect(r, &QNetworkReply::readyRead, [&]() { on_ready(); });
+        }
+    };
+private:
+    Ui::UpdateDialog ui;
+    query& q;
+private slots:
+    void close(QAbstractButton*)
+    {
+        QDialog::close();
+    }
+public:
+    update_dialog(QWidget* parent, query& q, const QString& new_version) : QDialog(parent), q(q)
+    {
+        ui.setupUi(this);
+        ui.ver_current->setText(const_cast<const char*>(opentrack_version));
+        ui.ver_new->setTextFormat(Qt::RichText);
+        ui.ver_new->setText("<a href='http://www.trackhat.org/#!trackhat-opentrack/c1jzc'>" + new_version + "</a>");
+        ui.ver_new->setOpenExternalLinks(true);
+        connect(ui.buttonBox, SIGNAL(clicked(QAbstractButton*)), this, SLOT(close(QAbstractButton*)));
+    }
+};