| 1 | /* |
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| 2 | * SPDX-FileCopyrightText: 2017 by Marco Martin <mart@kde.org> |
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| 3 | * |
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| 4 | * SPDX-License-Identifier: LGPL-2.0-or-later |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef KIRIGAMI_PLATFORMPLUGINFACTORY_H |
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| 8 | #define KIRIGAMI_PLATFORMPLUGINFACTORY_H |
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| 9 | |
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| 10 | #include <QObject> |
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| 11 | |
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| 12 | #include "kirigamiplatform_export.h" |
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| 13 | |
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| 14 | class QQmlEngine; |
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| 15 | |
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| 16 | namespace Kirigami |
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| 17 | { |
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| 18 | namespace Platform |
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| 19 | { |
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| 20 | class PlatformTheme; |
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| 21 | class Units; |
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| 22 | |
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| 23 | /** |
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| 24 | * @class PlatformPluginFactory platformpluginfactory.h <Kirigami/PlatformPluginFactory> |
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| 25 | * |
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| 26 | * This class is reimpleented by plugins to provide different implementations |
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| 27 | * of PlatformTheme |
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| 28 | */ |
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| 29 | class KIRIGAMIPLATFORM_EXPORT PlatformPluginFactory : public QObject |
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| 30 | { |
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| 31 | Q_OBJECT |
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| 32 | |
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| 33 | public: |
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| 34 | explicit PlatformPluginFactory(QObject *parent = nullptr); |
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| 35 | ~PlatformPluginFactory() override; |
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| 36 | |
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| 37 | /** |
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| 38 | * Creates an instance of PlatformTheme which can come out from |
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| 39 | * an implementation provided by a plugin |
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| 40 | * |
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| 41 | * If this returns nullptr the PlatformTheme will use a fallback |
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| 42 | * implementation that loads a theme definition from a QML file. |
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| 43 | * |
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| 44 | * @param parent the parent object of the created PlatformTheme |
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| 45 | */ |
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| 46 | virtual PlatformTheme *createPlatformTheme(QObject *parent) = 0; |
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| 47 | |
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| 48 | /** |
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| 49 | * Creates an instance of Units which can come from an implementation |
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| 50 | * provided by a plugin |
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| 51 | * @param parent the parent of the units object |
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| 52 | */ |
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| 53 | virtual Units *createUnits(QObject *parent) = 0; |
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| 54 | |
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| 55 | /** |
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| 56 | * finds the plugin providing units and platformtheme for the current style |
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| 57 | * The plugin pointer is cached, so only the first call is a potentially heavy operation |
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| 58 | * @param pluginName The name we want to search for, if empty the name of |
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| 59 | * the current QtQuickControls style will be searched |
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| 60 | * @return pointer to the PlatformPluginFactory of the current style |
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| 61 | */ |
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| 62 | static PlatformPluginFactory *findPlugin(const QString &pluginName = {}); |
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| 63 | }; |
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| 64 | |
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| 65 | } |
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| 66 | } |
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| 67 | |
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| 68 | QT_BEGIN_NAMESPACE |
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| 69 | #define PlatformPluginFactory_iid "org.kde.kirigami.PlatformPluginFactory" |
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| 70 | Q_DECLARE_INTERFACE(Kirigami::Platform::PlatformPluginFactory, PlatformPluginFactory_iid) |
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| 71 | QT_END_NAMESPACE |
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| 72 | |
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| 73 | #endif // PLATFORMPLUGINFACTORY_H |
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| 74 | |
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