| 1 | // Copyright (C) 2023 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QERRORINFO_P_H |
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| 5 | #define QERRORINFO_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtMultimedia/qtmultimediaglobal.h> |
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| 19 | #include <QString> |
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| 20 | |
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| 21 | QT_BEGIN_NAMESPACE |
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| 22 | |
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| 23 | template <typename ErrorCode, ErrorCode NoError = ErrorCode::NoError> |
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| 24 | class QErrorInfo |
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| 25 | { |
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| 26 | public: |
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| 27 | QErrorInfo(ErrorCode error = NoError, QString description = {}) |
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| 28 | : m_code(error), m_description(std::move(description)) |
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| 29 | { |
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| 30 | } |
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| 31 | |
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| 32 | template <typename Notifier> |
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| 33 | void setAndNotify(ErrorCode code, QString description, Notifier ¬ifier) |
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| 34 | { |
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| 35 | const bool changed = code != m_code || description != m_description; |
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| 36 | |
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| 37 | m_code = code; |
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| 38 | m_description = std::move(description); |
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| 39 | |
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| 40 | if (code != NoError) |
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| 41 | emit notifier.errorOccurred(m_code, m_description); |
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| 42 | |
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| 43 | if (changed) |
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| 44 | emit notifier.errorChanged(); |
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| 45 | } |
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| 46 | |
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| 47 | ErrorCode code() const { return m_code; } |
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| 48 | QString description() const { return m_description; }; |
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| 49 | |
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| 50 | private: |
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| 51 | ErrorCode m_code; |
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| 52 | QString m_description; |
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| 53 | }; |
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| 54 | |
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| 55 | QT_END_NAMESPACE |
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| 56 | |
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| 57 | #endif // QERRORINFO_P_H |
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| 58 | |
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