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Diffstat (limited to 'src/multimedia/qmediatimerange.h')
| -rw-r--r-- | src/multimedia/qmediatimerange.h | 158 |
1 files changed, 78 insertions, 80 deletions
diff --git a/src/multimedia/qmediatimerange.h b/src/multimedia/qmediatimerange.h index 97524f24a..7245a845a 100644 --- a/src/multimedia/qmediatimerange.h +++ b/src/multimedia/qmediatimerange.h @@ -1,131 +1,129 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef QMEDIATIMERANGE_H #define QMEDIATIMERANGE_H #include <QtMultimedia/qtmultimediaglobal.h> -#include <QtMultimedia/qmultimedia.h> #include <QtCore/qshareddata.h> +#include <QtCore/qlist.h> +#include <QtCore/qmetatype.h> QT_BEGIN_NAMESPACE class QMediaTimeRangePrivate; -class Q_MULTIMEDIA_EXPORT QMediaTimeInterval -{ -public: - QMediaTimeInterval(); - QMediaTimeInterval(qint64 start, qint64 end); - - qint64 start() const; - qint64 end() const; - - bool contains(qint64 time) const; - - bool isNormal() const; - QMediaTimeInterval normalized() const; - QMediaTimeInterval translated(qint64 offset) const; - -private: - friend class QMediaTimeRangePrivate; - friend class QMediaTimeRange; - - qint64 s; - qint64 e; -}; - -Q_MULTIMEDIA_EXPORT bool operator==(const QMediaTimeInterval&, const QMediaTimeInterval&); -Q_MULTIMEDIA_EXPORT bool operator!=(const QMediaTimeInterval&, const QMediaTimeInterval&); +QT_DECLARE_QESDP_SPECIALIZATION_DTOR_WITH_EXPORT(QMediaTimeRangePrivate, Q_MULTIMEDIA_EXPORT) class Q_MULTIMEDIA_EXPORT QMediaTimeRange { public: + struct Interval + { + constexpr Interval() noexcept = default; + explicit constexpr Interval(qint64 start, qint64 end) noexcept + : s(start), e(end) + {} + + constexpr qint64 start() const noexcept { return s; } + constexpr qint64 end() const noexcept { return e; } + + constexpr bool contains(qint64 time) const noexcept + { + return isNormal() ? (s <= time && time <= e) + : (e <= time && time <= s); + } + + constexpr bool isNormal() const noexcept { return s <= e; } + constexpr Interval normalized() const + { + return s > e ? Interval(e, s) : *this; + } + constexpr Interval translated(qint64 offset) const + { + return Interval(s + offset, e + offset); + } + + friend constexpr bool operator==(Interval lhs, Interval rhs) noexcept + { + return lhs.start() == rhs.start() && lhs.end() == rhs.end(); + } + friend constexpr bool operator!=(Interval lhs, Interval rhs) noexcept + { + return lhs.start() != rhs.start() || lhs.end() != rhs.end(); + } + + private: + friend class QMediaTimeRangePrivate; + qint64 s = 0; + qint64 e = 0; + }; QMediaTimeRange(); - QMediaTimeRange(qint64 start, qint64 end); - QMediaTimeRange(const QMediaTimeInterval&); - QMediaTimeRange(const QMediaTimeRange &range); + explicit QMediaTimeRange(qint64 start, qint64 end); + QMediaTimeRange(const Interval&); + QMediaTimeRange(const QMediaTimeRange &range) noexcept; ~QMediaTimeRange(); - QMediaTimeRange &operator=(const QMediaTimeRange&); - QMediaTimeRange &operator=(const QMediaTimeInterval&); + QMediaTimeRange &operator=(const QMediaTimeRange&) noexcept; + + QMediaTimeRange(QMediaTimeRange &&other) noexcept = default; + QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_PURE_SWAP(QMediaTimeRange) + void swap(QMediaTimeRange &other) noexcept + { d.swap(other.d); } + void detach(); + + QMediaTimeRange &operator=(const Interval&); qint64 earliestTime() const; qint64 latestTime() const; - QList<QMediaTimeInterval> intervals() const; + QList<QMediaTimeRange::Interval> intervals() const; bool isEmpty() const; bool isContinuous() const; bool contains(qint64 time) const; void addInterval(qint64 start, qint64 end); - void addInterval(const QMediaTimeInterval &interval); + void addInterval(const Interval &interval); void addTimeRange(const QMediaTimeRange&); void removeInterval(qint64 start, qint64 end); - void removeInterval(const QMediaTimeInterval &interval); + void removeInterval(const Interval &interval); void removeTimeRange(const QMediaTimeRange&); QMediaTimeRange& operator+=(const QMediaTimeRange&); - QMediaTimeRange& operator+=(const QMediaTimeInterval&); + QMediaTimeRange& operator+=(const Interval&); QMediaTimeRange& operator-=(const QMediaTimeRange&); - QMediaTimeRange& operator-=(const QMediaTimeInterval&); + QMediaTimeRange& operator-=(const Interval&); void clear(); + friend inline bool operator==(const QMediaTimeRange &lhs, const QMediaTimeRange &rhs) + { return lhs.intervals() == rhs.intervals(); } + friend inline bool operator!=(const QMediaTimeRange &lhs, const QMediaTimeRange &rhs) + { return lhs.intervals() != rhs.intervals(); } + private: - QSharedDataPointer<QMediaTimeRangePrivate> d; + QExplicitlySharedDataPointer<QMediaTimeRangePrivate> d; }; -Q_MULTIMEDIA_EXPORT bool operator==(const QMediaTimeRange&, const QMediaTimeRange&); -Q_MULTIMEDIA_EXPORT bool operator!=(const QMediaTimeRange&, const QMediaTimeRange&); -Q_MULTIMEDIA_EXPORT QMediaTimeRange operator+(const QMediaTimeRange&, const QMediaTimeRange&); -Q_MULTIMEDIA_EXPORT QMediaTimeRange operator-(const QMediaTimeRange&, const QMediaTimeRange&); - #ifndef QT_NO_DEBUG_STREAM +Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, const QMediaTimeRange::Interval &); Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, const QMediaTimeRange &); #endif +inline QMediaTimeRange operator+(const QMediaTimeRange &r1, const QMediaTimeRange &r2) +{ return (QMediaTimeRange(r1) += r2); } +inline QMediaTimeRange operator-(const QMediaTimeRange &r1, const QMediaTimeRange &r2) +{ return (QMediaTimeRange(r1) -= r2); } + +Q_DECLARE_SHARED(QMediaTimeRange) + QT_END_NAMESPACE +Q_DECLARE_METATYPE(QMediaTimeRange) +Q_DECLARE_METATYPE(QMediaTimeRange::Interval) #endif // QMEDIATIMERANGE_H |