File indexing completed on 2024-04-21 03:55:04

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 2013 David Faure <faure+bluesystems@kde.org>
     SPDX-FileCopyrightText: 2022 Harald Sitter <sitter@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef KIO_JOBUIDELEGATEFACTORY_H
 #define KIO_JOBUIDELEGATEFACTORY_H
 
 #include "job_base.h"
 #include "kiocore_export.h"
 #include <KJobUiDelegate>
 #include <QDateTime>
 #include <kio/global.h>
 
 #include <KCompositeJob>
 
 class QWidget;
 
 namespace KIO
 {
 /**
  * @class KIO::JobUiDelegateFactory jobuidelegatefactory.h <KIO/JobUiDelegateFactory>
  *
  * A factory for creating job ui delegates.
  * Every KIO job will get a delegate from this factory.
  * \since 5.0
  */
 class KIOCORE_EXPORT JobUiDelegateFactory
 {
 protected:
     /**
      * Constructor
      */
     JobUiDelegateFactory();
 
     /**
      * Destructor
      */
     virtual ~JobUiDelegateFactory();
 
 public:
     virtual KJobUiDelegate *createDelegate() const = 0;
 
     /**
      * @since 6.0
      */
     virtual KJobUiDelegate *createDelegate(KJobUiDelegate::Flags flags, QWidget *window) const = 0;
 
 private:
     class Private;
     Private *const d;
 };
 
 /**
  * Convenience method: use default factory, if there's one, to create a delegate and return it.
  */
 KIOCORE_EXPORT KJobUiDelegate *createDefaultJobUiDelegate();
 
 /**
  * Convenience method: use default factory, if there's one, to create a delegate and return it.
  *
  * @since 5.98
  */
 KIOCORE_EXPORT KJobUiDelegate *createDefaultJobUiDelegate(KJobUiDelegate::Flags flags, QWidget *window);
 
 /**
  * Returns the default job UI delegate factory to be used by all KIO jobs (in which HideProgressInfo is not set)
  * Can return nullptr, if no kio GUI library is loaded.
  * @since 6.0
  */
 KIOCORE_EXPORT JobUiDelegateFactory *defaultJobUiDelegateFactory();
 
 /**
  * Internal. Allows the KIO widgets library to register its widget-based job UI delegate factory
  * automatically.
  * @since 6.0
  */
 KIOCORE_EXPORT void setDefaultJobUiDelegateFactory(JobUiDelegateFactory *factory);
 
 /**
  * Returns the child of the job's uiDelegate() that implements the given extension,
  * or nullptr if none was found (or if the job had no uiDelegate).
  * @since 5.78
  */
 template<typename T>
 inline T delegateExtension(KJob *job)
 {
     KJobUiDelegate *ui = job->uiDelegate();
 
     // If setParentJob() was used, try the uiDelegate of parentJob first
     if (!ui) {
         if (KIO::Job *kiojob = qobject_cast<KIO::Job *>(job)) {
             if (KJob *parentJob = kiojob->parentJob()) {
                 ui = parentJob->uiDelegate();
             }
         }
     }
 
     // Still nothing? if compositeJob->addSubjob(job) was used, try the ui delegate
     // of compositeJob
     while (!ui) {
         job = qobject_cast<KCompositeJob *>(job->parent());
         if (job) {
             ui = job->uiDelegate();
         } else {
             break;
         }
     }
 
     return ui ? ui->findChild<T>(QString(), Qt::FindDirectChildrenOnly) : nullptr;
 }
 
 } // namespace KIO
 
 #endif