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/*
* attachments.cpp
*
* Copyright 2008 gpg4usb-team <[email protected]>
*
* This file is part of gpg4usb.
*
* Gpg4usb is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Gpg4usb 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with gpg4usb. If not, see <http://www.gnu.org/licenses/>
*/
/* TODO:
* - check content encoding (base64 / quoted-printable) and apply appropriate opperation (maybe already in mime.cpp)
* - check memory usage, use less copy operations / more references
* - possibility to clear attachment-view , e.g. with decryption or encrypting a new message
* - save all: like in thunderbird, one folder, all files go there
*/
/*
* - save, delete (clear) all
* - each line save & clear button
* - attached files to view-menu
* - also an open button, whichs should save file to tmp-folder, and open with correct app (via QDesktopServices)
*/
#include "attachments.h"
Attachments::Attachments(QWidget *parent)
: QWidget(parent)
{
table = new AttachmentTableModel(this);
tableView = new QTableView;
tableView->setModel(table);
tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
// only one entry should be selected at time
tableView->setSelectionMode(QAbstractItemView::SingleSelection);
tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
tableView->setFocusPolicy(Qt::NoFocus);
tableView->setAlternatingRowColors(true);
tableView->verticalHeader()->hide();
tableView->setShowGrid(false);
tableView->setColumnWidth(0, 300);
tableView->horizontalHeader()->setStretchLastSection(true);
QVBoxLayout *layout = new QVBoxLayout;
layout->addWidget(tableView);
layout->setContentsMargins(0,0,0,0);
setLayout(layout);
createActions();
}
void Attachments::contextMenuEvent(QContextMenuEvent *event)
{
QMenu menu(this);
menu.addAction(saveFileAct);
// enable open with only if allowed by user
if(settings.value("mime/openAttachment").toBool())
menu.addAction(openFileAct);
menu.exec(event->globalPos());
}
void Attachments::createActions()
{
saveFileAct = new QAction(tr("Save File"), this);
saveFileAct->setToolTip(tr("Save this file"));
saveFileAct->setIcon(QIcon(":filesave.png"));
connect(saveFileAct, SIGNAL(triggered()), this, SLOT(slotSaveFile()));
openFileAct = new QAction(tr("Open File"), this);
openFileAct->setToolTip(tr("Open this file"));
openFileAct->setIcon(QIcon(":fileopen.png"));
connect(openFileAct, SIGNAL(triggered()), this, SLOT(openFile()));
}
void Attachments::slotSaveFile()
{
QModelIndexList indexes = tableView->selectionModel()->selection().indexes();
if (indexes.size() < 1) {
return;
}
// only singe-selection possible now: TODO: foreach
MimePart mp = table->getMimePart(indexes.at(0).row());
QString filename = mp.header.getParam("Content-Type", "name");
// TODO: find out why filename is quoted
filename.chop(1);
filename.remove(0, 1);
// TODO: check if really base64
saveByteArrayToFile(QByteArray::fromBase64(mp.body), filename);
}
void Attachments::saveByteArrayToFile(QByteArray outBuffer, QString filename)
{
//QString path="";
QString path = filename;
QString outfileName = QFileDialog::getSaveFileName(this, tr("Save File"), path);
if (outfileName.isEmpty()) return;
QFile outfile(outfileName);
if (!outfile.open(QFile::WriteOnly)) {
QMessageBox::warning(this, tr("File"),
tr("Cannot write file %1:\n%2.")
.arg(outfileName)
.arg(outfile.errorString()));
return;
}
QDataStream out(&outfile);
out.writeRawData(outBuffer.data(), outBuffer.length());
outfile.close();
}
/**
* WIP: TODO:
* - create attachments dir if not existing
* - ask for cleanup of dir on exit
* - remove code-duplication with saveByteArrayToFile
*/
void Attachments::openFile() {
// TODO: make attachmentdir constant or configurable
QString attachmentDir = qApp->applicationDirPath() + "/attachments/";
//QDir p = QDir(qApp->applicationDirPath() + "/attachments/");
if(!QDir(attachmentDir).exists()) {
QDir().mkpath(attachmentDir);
}
QModelIndexList indexes = tableView->selectionModel()->selection().indexes();
MimePart mp = table->getMimePart(indexes.at(0).row());
// qDebug() << "mime: " << mp.header.getValue("Content-Type");
QString filename = mp.header.getParam("Content-Type", "name");
// TODO: find out why filename is quoted
// qDebug() << "file: " << filename;
filename.chop(1);
filename.remove(0, 1);
filename.prepend(attachmentDir);
// qDebug() << "file: " << filename;
QByteArray outBuffer = QByteArray::fromBase64(mp.body);
QFile outfile(filename);
if (!outfile.open(QFile::WriteOnly)) {
QMessageBox::warning(this, tr("File"),
tr("Cannot write file %1:\n%2.")
.arg(filename)
.arg(outfile.errorString()));
return;
}
QDataStream out(&outfile);
out.writeRawData(outBuffer.data(), outBuffer.length());
outfile.close();
QDesktopServices::openUrl(QUrl("file://"+filename, QUrl::TolerantMode));
}
void Attachments::addMimePart(MimePart *mp)
{
table->add(*mp);
}
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