PDF4QT/Pdf4QtViewer/pdfsendmail.cpp

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2021-09-27 11:14:20 +02:00
// Copyright (C) 2019-2021 Jakub Melka
//
// This file is part of PDF4QT.
//
// PDF4QT is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// with the written consent of the copyright owner, any later version.
//
// PDF4QT is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
#include "pdfsendmail.h"
#include <QDir>
#include <QWidget>
#include <QFileInfo>
#ifdef Q_OS_WIN
#include <Windows.h>
#include <MAPI.h>
#include <string>
#endif
namespace pdfviewer
{
bool PDFSendMail::sendMail(QWidget* parent, QString subject, QString fileName)
{
#ifdef Q_OS_WIN
QFileInfo fileInfo(fileName);
std::wstring subjectString = subject.toStdWString();
std::wstring fileNameString = fileInfo.fileName().toStdWString();
std::wstring filePathString = QDir::toNativeSeparators(fileInfo.absoluteFilePath()).toStdWString();
HMODULE mapiLib = ::LoadLibrary(L"MAPI32.DLL");
if (!mapiLib)
{
return false;
}
LPMAPISENDMAILW SendMail;
SendMail = (LPMAPISENDMAILW)GetProcAddress(mapiLib, "MAPISendMailW");
if (!SendMail)
{
::FreeLibrary(mapiLib);
return false;
}
// Jakub Melka: now, we have function for mail sending, we can use it!
// First, we must fill the info structures.
MapiFileDescW fileDesc;
::ZeroMemory(&fileDesc, sizeof(fileDesc));
fileDesc.nPosition = ULONG(-1);
fileDesc.lpszFileName = const_cast<PWSTR>(fileNameString.c_str());
fileDesc.lpszPathName = const_cast<PWSTR>(filePathString.c_str());
MapiMessageW message;
::ZeroMemory(&message, sizeof(message));
message.lpszSubject = const_cast<PWSTR>(subjectString.c_str());
message.nFileCount = 1;
message.lpFiles = &fileDesc;
const int returnCode = SendMail(0, parent->winId(), &message, MAPI_LOGON_UI | MAPI_DIALOG, 0);
::FreeLibrary(mapiLib);
switch (returnCode)
{
case SUCCESS_SUCCESS:
case MAPI_USER_ABORT:
case MAPI_E_LOGIN_FAILURE:
return true;
default:
return false;
}
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return false;
#elif defined(Q_OS_UNIX)
// TODO
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return false;
#else
static_assert(false, "Implement this for another OS!");
return false;
#endif
}
} // namespace pdfviewer