diff options
Diffstat (limited to 'src/corelib/kernel/qfunctions_winrt_p.h')
-rw-r--r-- | src/corelib/kernel/qfunctions_winrt_p.h | 69 |
1 files changed, 22 insertions, 47 deletions
diff --git a/src/corelib/kernel/qfunctions_winrt_p.h b/src/corelib/kernel/qfunctions_winrt_p.h index d98571906e..c895733c93 100644 --- a/src/corelib/kernel/qfunctions_winrt_p.h +++ b/src/corelib/kernel/qfunctions_winrt_p.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2020 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore 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) 2020 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 QFUNCTIONS_WINRT_P_H #define QFUNCTIONS_WINRT_P_H @@ -51,7 +15,7 @@ // We mean it. // -#include <QtCore/qglobal.h> +#include <QtCore/private/qglobal_p.h> #if defined(Q_OS_WIN) && defined(Q_CC_MSVC) @@ -101,8 +65,11 @@ enum AwaitStyle ProcessMainThreadEvents = 2 }; -template <typename T> -static inline HRESULT _await_impl(const Microsoft::WRL::ComPtr<T> &asyncOp, AwaitStyle awaitStyle, uint timeout) +using EarlyExitConditionFunction = std::function<bool(void)>; + +template<typename T> +static inline HRESULT _await_impl(const Microsoft::WRL::ComPtr<T> &asyncOp, AwaitStyle awaitStyle, + uint timeout, EarlyExitConditionFunction func) { Microsoft::WRL::ComPtr<ABI::Windows::Foundation::IAsyncInfo> asyncInfo; HRESULT hr = asyncOp.As(&asyncInfo); @@ -117,6 +84,8 @@ static inline HRESULT _await_impl(const Microsoft::WRL::ComPtr<T> &asyncOp, Awai case ProcessMainThreadEvents: while (SUCCEEDED(hr = asyncInfo->get_Status(&status)) && status == AsyncStatus::Started) { QCoreApplication::processEvents(); + if (func && func()) + return E_ABORT; if (timeout && t.hasExpired(timeout)) return HRESULT_FROM_WIN32(ERROR_TIMEOUT); } @@ -125,6 +94,8 @@ static inline HRESULT _await_impl(const Microsoft::WRL::ComPtr<T> &asyncOp, Awai if (QAbstractEventDispatcher *dispatcher = QThread::currentThread()->eventDispatcher()) { while (SUCCEEDED(hr = asyncInfo->get_Status(&status)) && status == AsyncStatus::Started) { dispatcher->processEvents(QEventLoop::AllEvents); + if (func && func()) + return E_ABORT; if (timeout && t.hasExpired(timeout)) return HRESULT_FROM_WIN32(ERROR_TIMEOUT); } @@ -155,20 +126,24 @@ static inline HRESULT _await_impl(const Microsoft::WRL::ComPtr<T> &asyncOp, Awai return hr; } -template <typename T> -static inline HRESULT await(const Microsoft::WRL::ComPtr<T> &asyncOp, AwaitStyle awaitStyle = YieldThread, uint timeout = 0) +template<typename T> +static inline HRESULT await(const Microsoft::WRL::ComPtr<T> &asyncOp, + AwaitStyle awaitStyle = YieldThread, uint timeout = 0, + EarlyExitConditionFunction func = nullptr) { - HRESULT hr = _await_impl(asyncOp, awaitStyle, timeout); + HRESULT hr = _await_impl(asyncOp, awaitStyle, timeout, func); if (FAILED(hr)) return hr; return asyncOp->GetResults(); } -template <typename T, typename U> -static inline HRESULT await(const Microsoft::WRL::ComPtr<T> &asyncOp, U *results, AwaitStyle awaitStyle = YieldThread, uint timeout = 0) +template<typename T, typename U> +static inline HRESULT await(const Microsoft::WRL::ComPtr<T> &asyncOp, U *results, + AwaitStyle awaitStyle = YieldThread, uint timeout = 0, + EarlyExitConditionFunction func = nullptr) { - HRESULT hr = _await_impl(asyncOp, awaitStyle, timeout); + HRESULT hr = _await_impl(asyncOp, awaitStyle, timeout, func); if (FAILED(hr)) return hr; |