| 1 | // Copyright (C) 2019 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com> |
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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 QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H |
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| 5 | #define QTINPUTSUPPORT_DEVICEHANDLERLIST_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 <QString> |
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| 19 | #include <private/qglobal_p.h> |
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| 20 | |
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| 21 | #include <vector> |
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| 22 | #include <memory> |
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| 23 | |
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| 24 | namespace QtInputSupport { |
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| 25 | |
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| 26 | template <typename Handler> |
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| 27 | class DeviceHandlerList { |
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| 28 | public: |
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| 29 | struct Device { |
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| 30 | QString deviceNode; |
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| 31 | std::unique_ptr<Handler> handler; |
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| 32 | }; |
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| 33 | |
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| 34 | void add(const QString &deviceNode, std::unique_ptr<Handler> handler) |
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| 35 | { |
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| 36 | v.push_back({deviceNode, std::move(handler)}); |
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| 37 | } |
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| 38 | |
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| 39 | bool remove(const QString &deviceNode) |
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| 40 | { |
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| 41 | const auto deviceNodeMatches = [&] (const Device &d) { return d.deviceNode == deviceNode; }; |
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| 42 | const auto it = std::find_if(v.cbegin(), v.cend(), deviceNodeMatches); |
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| 43 | if (it == v.cend()) |
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| 44 | return false; |
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| 45 | v.erase(it); |
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| 46 | return true; |
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| 47 | } |
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| 48 | |
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| 49 | int count() const noexcept { return static_cast<int>(v.size()); } |
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| 50 | |
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| 51 | typename std::vector<Device>::const_iterator begin() const noexcept { return v.begin(); } |
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| 52 | typename std::vector<Device>::const_iterator end() const noexcept { return v.end(); } |
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| 53 | |
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| 54 | private: |
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| 55 | std::vector<Device> v; |
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| 56 | }; |
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| 57 | |
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| 58 | } // QtInputSupport |
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| 59 | |
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| 60 | #endif // QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H |
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| 61 | |
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