File indexing completed on 2024-09-15 03:39:25

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 2000 Stephan Kulow <coolo@kde.org>
     SPDX-FileCopyrightText: 2000 David Faure <faure@kde.org>
     SPDX-FileCopyrightText: 2006, 2007 Kevin Ottens <ervin@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "kdialogjobuidelegate.h"
 
 #include <QPointer>
 #include <QQueue>
 #include <QWidget>
 
 #include <KJob>
 #include <KJobWidgets>
 #include <KMessageBox>
 
 #include <config-kjobwidgets.h>
 #if HAVE_X11
 #include <private/qtx11extras_p.h>
 #endif
 
 enum DialogType { ErrorDialog, WarningDialog };
 
 struct MessageBoxData {
     QWidget *widget;
     DialogType type = ErrorDialog;
     QString msg;
 };
 
 class KDialogJobUiDelegatePrivate : public QObject
 {
     Q_OBJECT
 public:
     explicit KDialogJobUiDelegatePrivate(QObject *parent = nullptr);
     ~KDialogJobUiDelegatePrivate() override;
     void queuedMessageBox(QWidget *widget, DialogType type, const QString &msg);
 
     QWidget *window;
 
 public Q_SLOTS:
     void next();
 
 private:
     bool running;
     QQueue<QSharedPointer<MessageBoxData>> queue;
 };
 
 KDialogJobUiDelegatePrivate::KDialogJobUiDelegatePrivate(QObject *parent)
     : QObject(parent)
     , window(nullptr)
     , running(false)
 {
 }
 
 KDialogJobUiDelegatePrivate::~KDialogJobUiDelegatePrivate()
 {
     queue.clear();
 }
 
 void KDialogJobUiDelegatePrivate::next()
 {
     if (queue.isEmpty()) {
         running = false;
         return;
     }
 
     QSharedPointer<MessageBoxData> data = queue.dequeue();
 
     // kmessagebox starts a new event loop which can cause this to get deleted
     // https://bugs.kde.org/show_bug.cgi?id=356321#c16
     QPointer<KDialogJobUiDelegatePrivate> thisGuard(this);
 
     switch (data->type) {
     case ErrorDialog:
         KMessageBox::error(data->widget, data->msg);
         break;
     case WarningDialog:
         KMessageBox::information(data->widget, data->msg);
         break;
     };
 
     if (!thisGuard) {
         return;
     }
 
     QMetaObject::invokeMethod(this, &KDialogJobUiDelegatePrivate::next, Qt::QueuedConnection);
 }
 
 void KDialogJobUiDelegatePrivate::queuedMessageBox(QWidget *widget, DialogType type, const QString &msg)
 {
     QSharedPointer<MessageBoxData> data(new MessageBoxData{widget, type, msg});
 
     queue.enqueue(data);
 
     if (!running) {
         running = true;
         QMetaObject::invokeMethod(this, &KDialogJobUiDelegatePrivate::next, Qt::QueuedConnection);
     }
 }
 
 KDialogJobUiDelegate::KDialogJobUiDelegate()
     : KJobUiDelegate()
     , d(new KDialogJobUiDelegatePrivate)
 {
 }
 
 KDialogJobUiDelegate::KDialogJobUiDelegate(KJobUiDelegate::Flags flags, QWidget *window)
     : KJobUiDelegate(flags)
     , d(new KDialogJobUiDelegatePrivate)
 {
     d->window = window;
 }
 
 KDialogJobUiDelegate::~KDialogJobUiDelegate() = default;
 
 bool KDialogJobUiDelegate::setJob(KJob *job)
 {
     bool ret = KJobUiDelegate::setJob(job);
 #if HAVE_X11
     if (ret) {
         unsigned long time = QX11Info::appUserTime();
         KJobWidgets::updateUserTimestamp(job, time);
     }
 #endif
     return ret;
 }
 
 void KDialogJobUiDelegate::setWindow(QWidget *window)
 {
     if (job()) {
         KJobWidgets::setWindow(job(), window);
     }
     d->window = window;
 }
 
 QWidget *KDialogJobUiDelegate::window() const
 {
     if (d->window) {
         return d->window;
     } else if (job()) {
         return KJobWidgets::window(job());
     }
     return nullptr;
 }
 
 void KDialogJobUiDelegate::updateUserTimestamp(unsigned long time)
 {
     KJobWidgets::updateUserTimestamp(job(), time);
 }
 
 unsigned long KDialogJobUiDelegate::userTimestamp() const
 {
     return KJobWidgets::userTimestamp(job());
 }
 
 void KDialogJobUiDelegate::showErrorMessage()
 {
     if (job()->error() != KJob::KilledJobError) {
         d->queuedMessageBox(window(), ErrorDialog, job()->errorString());
     }
 }
 
 void KDialogJobUiDelegate::slotWarning(KJob * /*job*/, const QString &message)
 {
     if (isAutoWarningHandlingEnabled()) {
         d->queuedMessageBox(window(), WarningDialog, message);
     }
 }
 
 #include "kdialogjobuidelegate.moc"
 #include "moc_kdialogjobuidelegate.cpp"