File indexing completed on 2024-06-16 04:56:15

 /*  keycacheoverlay.cpp
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2016 Bundesamt für Sicherheit in der Informationstechnik
     SPDX-FileContributor: Intevation GmbH
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "keycacheoverlay.h"
 
 #include <Libkleo/KeyCache>
 
 #include "kleopatra_debug.h"
 #include "waitwidget.h"
 
 #include <KLocalizedString>
 #include <QEvent>
 #include <QVBoxLayout>
 
 using namespace Kleo;
 
 KeyCacheOverlay::KeyCacheOverlay(QWidget *baseWidget, QWidget *parent)
     : QWidget(parent)
     , mBaseWidget(baseWidget)
 {
     const auto cache = KeyCache::instance();
 
     if (cache->initialized()) {
         // Cache initialized so we are not needed.
         deleteLater();
         return;
     }
 
     auto vLay = new QVBoxLayout(this);
 
     auto waitWidget = new WaitWidget(this);
 
     waitWidget->setText(i18n("Loading certificate cache..."));
 
     vLay->addWidget(waitWidget);
 
     mBaseWidget->installEventFilter(this);
     mBaseWidget->setEnabled(false);
     reposition();
 
     connect(&mTimer, &QTimer::timeout, this, [this]() {
         // To avoid an infinite show if we miss the keyListingDone signal
         // (Race potential) we use a watchdog timer, too to actively poll
         // the keycache every second. See bug #381910
         if (KeyCache::instance()->initialized()) {
             qCDebug(KLEOPATRA_LOG) << "Hiding overlay from watchdog";
             hideOverlay();
         }
     });
 
     mTimer.start(1000);
 
     connect(cache.get(), &KeyCache::keyListingDone, this, &KeyCacheOverlay::hideOverlay);
 }
 
 bool KeyCacheOverlay::eventFilter(QObject *object, QEvent *event)
 {
     if (object == mBaseWidget
         && (event->type() == QEvent::Move || event->type() == QEvent::Resize || event->type() == QEvent::Show || event->type() == QEvent::Hide)) {
         reposition();
     }
     return QWidget::eventFilter(object, event);
 }
 
 void KeyCacheOverlay::reposition()
 {
     if (parentWidget() != mBaseWidget->window()) {
         setParent(mBaseWidget->window());
     }
     if (!KeyCache::instance()->initialized()) {
         show();
     }
 
     const QPoint topLevelPos = mBaseWidget->mapTo(window(), QPoint(0, 0));
     const QPoint parentPos = parentWidget()->mapFrom(window(), topLevelPos);
     move(parentPos);
 
     resize(mBaseWidget->size());
 }
 
 void KeyCacheOverlay::hideOverlay()
 {
     mTimer.stop();
     mBaseWidget->setEnabled(true);
     hide();
     mBaseWidget->removeEventFilter(this);
     deleteLater();
 }
 
 #include "moc_keycacheoverlay.cpp"