File indexing completed on 2024-04-28 15:27:18

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 2022 Ahmad Samir <a.samirh78@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 #include "deleteortrashjob.h"
 
 #include "fileundomanager.h"
 #include "widgetsaskuseractionhandler.h"
 #include <kio/copyjob.h>
 #include <kio/deletejob.h>
 #include <kio/emptytrashjob.h>
 #include <kio/job.h>
 #include <kio/jobuidelegatefactory.h>
 #include <kio_widgets_debug.h>
 
 #include <KJobWidgets>
 
 namespace KIO
 {
 
 using AskIface = AskUserActionInterface;
 
 class DeleteOrTrashJobPrivate
 {
 public:
     DeleteOrTrashJobPrivate(const QList<QUrl> &urls, //
                             AskIface::DeletionType deletionType,
                             AskIface::ConfirmationType confirm,
                             QObject *parent,
                             DeleteOrTrashJob *qq)
         : q(qq)
         , m_urls(urls)
         , m_delType(deletionType)
         , m_confirm(confirm)
         , m_parentWindow(qobject_cast<QWidget *>(parent))
     {
         // trashing an already trashed file is deleting it, BUG 459545
         if (m_delType == AskIface::Trash && m_urls.first().scheme() == QStringLiteral("trash")) {
             m_delType = AskIface::Delete;
         }
     }
 
     void slotAskUser(bool allowDelete, const QList<QUrl> &urls, AskIface::DeletionType delType, QWidget *parentWindow);
 
     DeleteOrTrashJob *q = nullptr;
     QList<QUrl> m_urls;
     AskIface::DeletionType m_delType;
     AskIface::ConfirmationType m_confirm;
     QWidget *m_parentWindow = nullptr;
     QMetaObject::Connection m_handlerConnection;
 };
 
 void DeleteOrTrashJobPrivate::slotAskUser(bool allowDelete, const QList<QUrl> &urls, AskIface::DeletionType delType, QWidget *parentWindow)
 {
     if (!allowDelete) {
         return;
     }
 
     KIO::Job *job = nullptr;
     switch (delType) {
     case AskIface::Trash:
         Q_ASSERT(!urls.isEmpty());
         job = KIO::trash(urls);
         using UndoMananger = KIO::FileUndoManager;
         UndoMananger::self()->recordJob(UndoMananger::Trash, urls, QUrl(QStringLiteral("trash:/")), job);
         break;
     case AskIface::DeleteInsteadOfTrash:
     case AskIface::Delete:
         Q_ASSERT(!urls.isEmpty());
         job = KIO::del(urls);
         break;
     case AskIface::EmptyTrash:
         job = KIO::emptyTrash();
         break;
     }
 
     if (job) {
         KJobWidgets::setWindow(job, parentWindow);
         // showErrorMessage() is used in slotResult() instead of AutoErrorHandling,
         // because if Trashing fails (e.g. due to size constraints), we'll re-ask the
         // user about deleting instead of Trashing, in which case we don't want to
         // show the "File is too large to Trash" error message
         job->uiDelegate()->setAutoErrorHandlingEnabled(false);
         q->addSubjob(job);
     }
 }
 
 DeleteOrTrashJob::DeleteOrTrashJob(const QList<QUrl> &urls, //
                                    AskIface::DeletionType deletionType,
                                    AskIface::ConfirmationType confirm,
                                    QObject *parent)
     : KCompositeJob(parent)
     , d(new DeleteOrTrashJobPrivate{urls, deletionType, confirm, parent, this})
 {
 }
 
 DeleteOrTrashJob::~DeleteOrTrashJob() = default;
 
 void DeleteOrTrashJob::start()
 {
     auto *askHandler = KIO::delegateExtension<AskIface *>(this);
     if (!askHandler) {
         auto *uiDelegate = new KJobUiDelegate(KJobUiDelegate::AutoErrorHandlingEnabled);
         auto *widgetAskHandler = new WidgetsAskUserActionHandler(uiDelegate);
         widgetAskHandler->setWindow(d->m_parentWindow);
         setUiDelegate(uiDelegate);
         askHandler = widgetAskHandler;
     }
 
     Q_ASSERT(askHandler);
 
     auto askFunc = [this](bool allowDelete, //
                           const QList<QUrl> &urls,
                           AskIface::DeletionType deletionType,
                           QWidget *window) {
         d->slotAskUser(allowDelete, urls, deletionType, window);
     };
 
     // Make it a unique connection, as the same UI delegate could get re-used
     // if e.g. Trashing failed and we're re-asking the user about deleting instead
     // of Trashing
     disconnect(d->m_handlerConnection);
     d->m_handlerConnection = connect(askHandler, &AskIface::askUserDeleteResult, this, askFunc);
     askHandler->askUserDelete(d->m_urls, d->m_delType, d->m_confirm, d->m_parentWindow);
 }
 
 void DeleteOrTrashJob::slotResult(KJob *job)
 {
     const int errCode = job->error();
 
     if (errCode == KIO::ERR_TRASH_FILE_TOO_LARGE) {
         removeSubjob(job);
         d->m_delType = AskIface::DeleteInsteadOfTrash;
         start();
         return;
     }
 
     if (errCode) {
         setError(errCode);
         // We're a KJob, not a KIO::Job, so build the error string here
         setErrorText(KIO::buildErrorString(errCode, job->errorText()));
         job->uiDelegate()->showErrorMessage();
     }
     emitResult();
 }
 
 } // namespace KIO
 
 #include "moc_deleteortrashjob.cpp"