File indexing completed on 2025-03-09 03:52:42
0001 /* ============================================================ 0002 * 0003 * This file is a part of digiKam project 0004 * https://www.digikam.org 0005 * 0006 * Date : 2007-04-16 0007 * Description : Schema update 0008 * 0009 * SPDX-FileCopyrightText: 2007-2008 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de> 0010 * 0011 * SPDX-License-Identifier: GPL-2.0-or-later 0012 * 0013 * ============================================================ */ 0014 0015 #ifndef DIGIKAM_COLLECTION_SCANNER_OBSERVER_H 0016 #define DIGIKAM_COLLECTION_SCANNER_OBSERVER_H 0017 0018 // Qt includes 0019 0020 #include <QString> 0021 0022 // Local includes 0023 0024 #include "digikam_export.h" 0025 0026 namespace Digikam 0027 { 0028 0029 class CollectionScanner; 0030 0031 class DIGIKAM_DATABASE_EXPORT CollectionScannerObserver 0032 { 0033 public: 0034 0035 CollectionScannerObserver() = default; 0036 virtual ~CollectionScannerObserver() = default; 0037 0038 virtual bool continueQuery() = 0; 0039 0040 private: 0041 0042 Q_DISABLE_COPY(CollectionScannerObserver) 0043 }; 0044 0045 // ------------------------------------------------------------------------------------------ 0046 0047 class DIGIKAM_DATABASE_EXPORT InitializationObserver : public CollectionScannerObserver 0048 { 0049 public: 0050 0051 enum UpdateResult 0052 { 0053 UpdateSuccess, 0054 UpdateError, 0055 UpdateErrorMustAbort 0056 }; 0057 0058 public: 0059 0060 InitializationObserver() = default; 0061 ~InitializationObserver() override = default; 0062 0063 virtual void moreSchemaUpdateSteps(int numberOfSteps) = 0; 0064 virtual void schemaUpdateProgress(const QString& message, int numberOfSteps = 1) = 0; 0065 virtual void finishedSchemaUpdate(UpdateResult result) = 0; 0066 virtual void connectCollectionScanner(CollectionScanner* const scanner) = 0; 0067 virtual void error(const QString& errorMessage) = 0; 0068 0069 private: 0070 0071 Q_DISABLE_COPY(InitializationObserver) 0072 }; 0073 0074 } // namespace Digikam 0075 0076 #endif // DIGIKAM_COLLECTION_SCANNER_OBSERVER_H