include/QtCore/qcoreapplication_platform.h

0001 // Copyright (C) 2021 The Qt Company Ltd.
0002 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
0003
0004 #ifndef QCOREAPPLICATION_PLATFORM_H
0005 #define QCOREAPPLICATION_PLATFORM_H
0006
0007 //
0008 //  W A R N I N G
0009 //  -------------
0010 //
0011 // This file is part of the native interface APIs. Usage of
0012 // this API may make your code source and binary incompatible
0013 // with future versions of Qt.
0014 //
0015
0016 #include <QtCore/qglobal.h>
0017 #include <QtCore/qnativeinterface.h>
0018 #include <QtCore/qcoreapplication.h>
0019
0020 #if defined(Q_OS_ANDROID) || defined(Q_QDOC)
0021 #include <QtCore/qjnitypes.h>
0022 #if QT_CONFIG(future) && !defined(QT_NO_QOBJECT)
0023 #include <QtCore/qfuture.h>
0024 #include <QtCore/qvariant.h>
0025 #endif
0026 #endif // #if defined(Q_OS_ANDROID) || defined(Q_QDOC)
0027
0028 #if defined(Q_OS_ANDROID)
0029 class _jobject;
0030 typedef _jobject* jobject;
0031 #endif
0032
0033 QT_BEGIN_NAMESPACE
0034
0035 #if defined(Q_OS_ANDROID)
0036 Q_DECLARE_JNI_CLASS(Context, "android/content/Context")
0037 #endif
0038
0039 namespace QNativeInterface
0040 {
0041 #if defined(Q_OS_ANDROID) || defined(Q_QDOC)
0042 struct Q_CORE_EXPORT QAndroidApplication
0043 {
0044     QT_DECLARE_NATIVE_INTERFACE(QAndroidApplication, 1, QCoreApplication)
0045 #ifdef Q_QDOC
0046     static QJniObject context();
0047 #else
0048     static QtJniTypes::Context context();
0049 #endif
0050     static bool isActivityContext();
0051     static int sdkVersion();
0052     static void hideSplashScreen(int duration = 0);
0053
0054 #if QT_CONFIG(future) && !defined(QT_NO_QOBJECT)
0055     static QFuture<QVariant> runOnAndroidMainThread(const std::function<QVariant()> &runnable,
0056                                             const QDeadlineTimer timeout = QDeadlineTimer::Forever);
0057
0058     template <class T>
0059     std::enable_if_t<std::is_invocable_v<T> && std::is_same_v<std::invoke_result_t<T>, void>,
0060     QFuture<void>> static runOnAndroidMainThread(const T &runnable,
0061                                             const QDeadlineTimer timeout = QDeadlineTimer::Forever)
0062     {
0063         std::function<QVariant()> func = [runnable](){ runnable(); return QVariant(); };
0064         return static_cast<QFuture<void>>(runOnAndroidMainThread(func, timeout));
0065     }
0066 #endif
0067 };
0068 #endif
0069 }
0070
0071 QT_END_NAMESPACE
0072
0073 #endif // QCOREAPPLICATION_PLATFORM_H