diff options
Diffstat (limited to 'src/gui/util/qdesktopservices.cpp')
| -rw-r--r-- | src/gui/util/qdesktopservices.cpp | 81 |
1 files changed, 36 insertions, 45 deletions
diff --git a/src/gui/util/qdesktopservices.cpp b/src/gui/util/qdesktopservices.cpp index 7a728cf692..4a12f6db6f 100644 --- a/src/gui/util/qdesktopservices.cpp +++ b/src/gui/util/qdesktopservices.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtGui module 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 #include "qdesktopservices.h" @@ -54,11 +18,12 @@ #include <qpa/qplatformintegration.h> #include <qdir.h> +#include <QtCore/private/qlocking_p.h> + QT_BEGIN_NAMESPACE -class QOpenUrlHandlerRegistry : public QObject +class QOpenUrlHandlerRegistry { - Q_OBJECT public: QOpenUrlHandlerRegistry() = default; @@ -72,24 +37,34 @@ public: typedef QHash<QString, Handler> HandlerHash; HandlerHash handlers; -public Q_SLOTS: +#if QT_VERSION < QT_VERSION_CHECK(6, 6, 0) + QObject context; + void handlerDestroyed(QObject *handler); +#endif }; Q_GLOBAL_STATIC(QOpenUrlHandlerRegistry, handlerRegistry) +#if QT_VERSION < QT_VERSION_CHECK(6, 6, 0) void QOpenUrlHandlerRegistry::handlerDestroyed(QObject *handler) { + const auto lock = qt_scoped_lock(mutex); HandlerHash::Iterator it = handlers.begin(); while (it != handlers.end()) { if (it->receiver == handler) { it = handlers.erase(it); + qWarning("Please call QDesktopServices::unsetUrlHandler() before destroying a " + "registered URL handler object.\n" + "Support for destroying a registered URL handler object is deprecated, " + "and will be removed in Qt 6.6."); } else { ++it; } } } +#endif /*! \class QDesktopServices @@ -187,6 +162,13 @@ void QOpenUrlHandlerRegistry::handlerDestroyed(QObject *handler) \snippet code/src_gui_util_qdesktopservices.cpp 3 + \note For Android Nougat (SDK 24) and above, URLs with a \c file scheme + are opened using \l {Android: FileProvider}{FileProvider} which tries to obtain + a shareable \c content scheme URI first. For that reason, Qt for Android defines + a file provider with the authority \c ${applicationId}.qtprovider, with \c applicationId + being the app's package name to avoid name conflicts. For more information, also see + \l {Android: Setting up file sharing}{Setting up file sharing}. + \sa setUrlHandler() */ bool QDesktopServices::openUrl(const QUrl &url) @@ -252,6 +234,10 @@ bool QDesktopServices::openUrl(const QUrl &url) Note that the handler will always be called from within the same thread that calls QDesktopServices::openUrl(). + You must call unsetUrlHandler() before destroying the handler object, so + the destruction of the handler object does not overlap with concurrent + invocations of openUrl() using it. + \section1 iOS To use this function for receiving data from other apps on iOS you also need to @@ -320,13 +306,20 @@ void QDesktopServices::setUrlHandler(const QString &scheme, QObject *receiver, c h.receiver = receiver; h.name = method; registry->handlers.insert(scheme.toLower(), h); - QObject::connect(receiver, SIGNAL(destroyed(QObject*)), - registry, SLOT(handlerDestroyed(QObject*))); +#if QT_VERSION < QT_VERSION_CHECK(6, 6, 0) + QObject::connect(receiver, &QObject::destroyed, ®istry->context, + [registry](QObject *obj) { registry->handlerDestroyed(obj); }, + Qt::DirectConnection); +#endif } /*! Removes a previously set URL handler for the specified \a scheme. + Call this function before the handler object that was registered for \a scheme + is destroyed, to prevent concurrent openUrl() calls from continuing to call + the destroyed handler object. + \sa setUrlHandler() */ void QDesktopServices::unsetUrlHandler(const QString &scheme) @@ -336,6 +329,4 @@ void QDesktopServices::unsetUrlHandler(const QString &scheme) QT_END_NAMESPACE -#include "qdesktopservices.moc" - #endif // QT_NO_DESKTOPSERVICES |