transmission/qt/ComInteropHelper.cc

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// This file Copyright © 2015-2023 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
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#include <windows.h>
#include <objbase.h>
#include <QAxFactory>
#include <QString>
#include <QVariant>
#include "ComInteropHelper.h"
#include "InteropObject.h"
// NOLINTNEXTLINE(cppcoreguidelines-special-member-functions)
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QAXFACTORY_BEGIN("{1e405fc2-1a3a-468b-8bd6-bfbb58770390}", "{792d1aac-53cc-4dc9-bc29-e5295fdb93a9}")
QAXCLASS(InteropObject)
QAXFACTORY_END() // NOLINT
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// These are ActiveQt internals; declaring here as I don't like their WinMain much...
extern HANDLE qAxInstance; // NOLINT
extern bool qAxOutProcServer; // NOLINT
extern wchar_t qAxModuleFilename[MAX_PATH]; // NOLINT
extern QString qAxInit(); // NOLINT
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ComInteropHelper::ComInteropHelper()
: client_(new QAxObject(QStringLiteral("Transmission.QtClient")))
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{
}
bool ComInteropHelper::isConnected() const
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{
return !client_->isNull();
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}
QVariant ComInteropHelper::addMetainfo(QString const& metainfo) const
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{
return client_->dynamicCall("AddMetainfo(QString)", metainfo);
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}
void ComInteropHelper::initialize()
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{
qAxOutProcServer = true;
::GetModuleFileNameW(nullptr, qAxModuleFilename, MAX_PATH);
qAxInstance = ::GetModuleHandleW(nullptr);
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::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
qAxInit();
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}
void ComInteropHelper::registerObject(QObject* parent)
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{
QAxFactory::startServer();
QAxFactory::registerActiveObject(new InteropObject(parent));
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}