Refactor ImgurUpload

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>
This commit is contained in:
Trial97 2023-06-29 17:58:09 +03:00
parent 1c3402d081
commit 25ffc4c4b0
No known key found for this signature in database
GPG Key ID: 55EF5DA53DB36318
8 changed files with 224 additions and 237 deletions

View File

@ -139,6 +139,7 @@ set(NET_SOURCES
net/HeaderProxy.h net/HeaderProxy.h
net/RawHeaderProxy.h net/RawHeaderProxy.h
net/ApiHeaderProxy.h net/ApiHeaderProxy.h
net/StaticHeaderProxy.h
net/ApiDownload.h net/ApiDownload.h
net/ApiDownload.cpp net/ApiDownload.cpp
net/ApiUpload.cpp net/ApiUpload.cpp

View File

@ -111,6 +111,8 @@ void NetRequest::executeTask()
m_last_progress_bytes = 0; m_last_progress_bytes = 0;
QNetworkReply* rep = getReply(request); QNetworkReply* rep = getReply(request);
if (rep == nullptr) // it failed
return;
m_reply.reset(rep); m_reply.reset(rep);
connect(rep, &QNetworkReply::downloadProgress, this, &NetRequest::downloadProgress); connect(rep, &QNetworkReply::downloadProgress, this, &NetRequest::downloadProgress);
connect(rep, &QNetworkReply::finished, this, &NetRequest::downloadFinished); connect(rep, &QNetworkReply::finished, this, &NetRequest::downloadFinished);

View File

@ -0,0 +1,39 @@
// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2023 Rachel Powers <508861+Ryex@users.noreply.github.com>
*
* This program 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, version 3.
*
* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#pragma once
#include "net/HeaderProxy.h"
namespace Net {
class StaticHeaderProxy : public HeaderProxy {
public:
StaticHeaderProxy(QList<HeaderPair> hdrs = {}) : HeaderProxy(), m_hdrs(hdrs){};
virtual ~StaticHeaderProxy() = default;
public:
virtual QList<HeaderPair> headers(const QNetworkRequest&) const override { return m_hdrs; };
void setHeaders(QList<HeaderPair> hdrs) { m_hdrs = hdrs; };
private:
QList<HeaderPair> m_hdrs;
};
} // namespace Net

View File

@ -36,96 +36,79 @@
#include "ImgurAlbumCreation.h" #include "ImgurAlbumCreation.h"
#include <QNetworkRequest> #include <QDebug>
#include <QJsonDocument> #include <QJsonDocument>
#include <QJsonObject> #include <QJsonObject>
#include <QUrl> #include <QList>
#include <QNetworkRequest>
#include <QStringList> #include <QStringList>
#include <QDebug> #include <QUrl>
#include <memory>
#include "BuildConfig.h" #include "BuildConfig.h"
#include "Application.h" #include "net/StaticHeaderProxy.h"
ImgurAlbumCreation::ImgurAlbumCreation(QList<ScreenShot::Ptr> screenshots) : NetAction(), m_screenshots(screenshots) Net::NetRequest::Ptr ImgurAlbumCreation::make(std::shared_ptr<ImgurAlbumCreation::Result> output, QList<ScreenShot::Ptr> screenshots)
{ {
m_url = BuildConfig.IMGUR_BASE_URL + "album.json"; auto up = makeShared<ImgurAlbumCreation>();
m_state = State::Inactive; up->m_url = BuildConfig.IMGUR_BASE_URL + "album.json";
up->m_sink.reset(new Sink(output));
up->m_screenshots = screenshots;
return up;
} }
void ImgurAlbumCreation::executeTask() QNetworkReply* ImgurAlbumCreation::getReply(QNetworkRequest& request)
{ {
m_state = State::Running;
QNetworkRequest request(m_url);
request.setHeader(QNetworkRequest::UserAgentHeader, APPLICATION->getUserAgentUncached().toUtf8());
request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
request.setRawHeader("Authorization", QString("Client-ID %1").arg(BuildConfig.IMGUR_CLIENT_ID).toStdString().c_str());
request.setRawHeader("Accept", "application/json");
QStringList hashes; QStringList hashes;
for (auto shot : m_screenshots) for (auto shot : m_screenshots) {
{
hashes.append(shot->m_imgurDeleteHash); hashes.append(shot->m_imgurDeleteHash);
} }
const QByteArray data = "deletehashes=" + hashes.join(',').toUtf8() + "&title=Minecraft%20Screenshots&privacy=hidden"; const QByteArray data = "deletehashes=" + hashes.join(',').toUtf8() + "&title=Minecraft%20Screenshots&privacy=hidden";
return m_network->post(request, data);
};
QNetworkReply *rep = APPLICATION->network()->post(request, data); void ImgurAlbumCreation::init()
{
m_reply.reset(rep); qDebug() << "Setting up imgur upload";
connect(rep, &QNetworkReply::uploadProgress, this, &ImgurAlbumCreation::downloadProgress); auto api_headers = new Net::StaticHeaderProxy(
connect(rep, &QNetworkReply::finished, this, &ImgurAlbumCreation::downloadFinished); QList<Net::HeaderPair>{ { "Content-Type", "application/x-www-form-urlencoded" },
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0) // QNetworkReply::errorOccurred added in 5.15 { "Authorization", QString("Client-ID %1").arg(BuildConfig.IMGUR_CLIENT_ID).toStdString().c_str() },
connect(rep, &QNetworkReply::errorOccurred, this, &ImgurAlbumCreation::downloadError); { "Accept", "application/json" } });
#else addHeaderProxy(api_headers);
connect(rep, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::error), this, &ImgurAlbumCreation::downloadError);
#endif
connect(rep, &QNetworkReply::sslErrors, this, &ImgurAlbumCreation::sslErrors);
} }
void ImgurAlbumCreation::downloadError(QNetworkReply::NetworkError error) auto ImgurAlbumCreation::Sink::init(QNetworkRequest& request) -> Task::State
{ {
qDebug() << m_reply->errorString(); m_output.clear();
m_state = State::Failed; return Task::State::Running;
};
auto ImgurAlbumCreation::Sink::write(QByteArray& data) -> Task::State
{
m_output.append(data);
return Task::State::Running;
} }
void ImgurAlbumCreation::downloadFinished() auto ImgurAlbumCreation::Sink::abort() -> Task::State
{
m_output.clear();
return Task::State::Failed;
}
auto ImgurAlbumCreation::Sink::finalize(QNetworkReply&) -> Task::State
{ {
if (m_state != State::Failed)
{
QByteArray data = m_reply->readAll();
m_reply.reset();
QJsonParseError jsonError; QJsonParseError jsonError;
QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError); QJsonDocument doc = QJsonDocument::fromJson(m_output, &jsonError);
if (jsonError.error != QJsonParseError::NoError) if (jsonError.error != QJsonParseError::NoError) {
{
qDebug() << jsonError.errorString(); qDebug() << jsonError.errorString();
emitFailed(); return Task::State::Failed;
return;
} }
auto object = doc.object(); auto object = doc.object();
if (!object.value("success").toBool()) if (!object.value("success").toBool()) {
{
qDebug() << doc.toJson(); qDebug() << doc.toJson();
emitFailed(); return Task::State::Failed;
return;
}
m_deleteHash = object.value("data").toObject().value("deletehash").toString();
m_id = object.value("data").toObject().value("id").toString();
m_state = State::Succeeded;
emit succeeded();
return;
}
else
{
qDebug() << m_reply->readAll();
m_reply.reset();
emitFailed();
return;
} }
} m_result->deleteHash = object.value("data").toObject().value("deletehash").toString();
m_result->id = object.value("data").toObject().value("id").toString();
void ImgurAlbumCreation::downloadProgress(qint64 bytesReceived, qint64 bytesTotal) return Task::State::Succeeded;
{
setProgress(bytesReceived, bytesTotal);
emit progress(bytesReceived, bytesTotal);
} }

View File

@ -35,44 +35,40 @@
#pragma once #pragma once
#include "net/NetAction.h"
#include "Screenshot.h" #include "Screenshot.h"
#include "net/NetRequest.h"
typedef shared_qobject_ptr<class ImgurAlbumCreation> ImgurAlbumCreationPtr; class ImgurAlbumCreation : public Net::NetRequest {
class ImgurAlbumCreation : public NetAction public:
{ virtual ~ImgurAlbumCreation() = default;
public:
explicit ImgurAlbumCreation(QList<ScreenShot::Ptr> screenshots);
static ImgurAlbumCreationPtr make(QList<ScreenShot::Ptr> screenshots)
{
return ImgurAlbumCreationPtr(new ImgurAlbumCreation(screenshots));
}
QString deleteHash() const struct Result {
{ QString deleteHash;
return m_deleteHash; QString id;
} };
QString id() const
{
return m_id;
}
void init() override {}; class Sink : public Net::Sink {
public:
Sink(std::shared_ptr<Result> res) : m_result(res){};
virtual ~Sink() = default;
protected public:
slots: auto init(QNetworkRequest& request) -> Task::State override;
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal) override; auto write(QByteArray& data) -> Task::State override;
void downloadError(QNetworkReply::NetworkError error) override; auto abort() -> Task::State override;
void downloadFinished() override; auto finalize(QNetworkReply& reply) -> Task::State override;
void downloadReadyRead() override {} auto hasLocalData() -> bool override { return false; }
public private:
slots: std::shared_ptr<Result> m_result;
void executeTask() override; QByteArray m_output;
};
private: static NetRequest::Ptr make(std::shared_ptr<Result> output, QList<ScreenShot::Ptr> screenshots);
QNetworkReply* getReply(QNetworkRequest& request) override;
void init() override;
private:
QList<ScreenShot::Ptr> m_screenshots; QList<ScreenShot::Ptr> m_screenshots;
QString m_deleteHash;
QString m_id;
}; };

View File

@ -36,120 +36,95 @@
#include "ImgurUpload.h" #include "ImgurUpload.h"
#include "BuildConfig.h" #include "BuildConfig.h"
#include "Application.h" #include "net/StaticHeaderProxy.h"
#include <QNetworkRequest> #include <QDebug>
#include <QFile>
#include <QHttpMultiPart> #include <QHttpMultiPart>
#include <QHttpPart>
#include <QJsonDocument> #include <QJsonDocument>
#include <QJsonObject> #include <QJsonObject>
#include <QHttpPart> #include <QNetworkRequest>
#include <QFile>
#include <QUrl> #include <QUrl>
#include <QDebug>
ImgurUpload::ImgurUpload(ScreenShot::Ptr shot) : NetAction(), m_shot(shot) void ImgurUpload::init()
{ {
m_url = BuildConfig.IMGUR_BASE_URL + "upload.json"; qDebug() << "Setting up imgur upload";
m_state = State::Inactive; auto api_headers = new Net::StaticHeaderProxy(
QList<Net::HeaderPair>{ { "Authorization", QString("Client-ID %1").arg(BuildConfig.IMGUR_CLIENT_ID).toStdString().c_str() },
{ "Accept", "application/json" } });
addHeaderProxy(api_headers);
} }
void ImgurUpload::executeTask() QNetworkReply* ImgurUpload::getReply(QNetworkRequest& request)
{ {
finished = false; auto file = new QFile(m_fileInfo.absoluteFilePath());
m_state = Task::State::Running;
QNetworkRequest request(m_url);
request.setHeader(QNetworkRequest::UserAgentHeader, APPLICATION->getUserAgentUncached().toUtf8());
request.setRawHeader("Authorization", QString("Client-ID %1").arg(BuildConfig.IMGUR_CLIENT_ID).toStdString().c_str());
request.setRawHeader("Accept", "application/json");
QFile f(m_shot->m_file.absoluteFilePath()); if (!file->open(QFile::ReadOnly)) {
if (!f.open(QFile::ReadOnly))
{
emitFailed(); emitFailed();
return; return nullptr;
} }
QHttpMultiPart *multipart = new QHttpMultiPart(QHttpMultiPart::FormDataType); QHttpMultiPart* multipart = new QHttpMultiPart(QHttpMultiPart::FormDataType);
file->setParent(multipart);
QHttpPart filePart; QHttpPart filePart;
filePart.setBody(f.readAll().toBase64()); filePart.setBodyDevice(file);
filePart.setHeader(QNetworkRequest::ContentTypeHeader, "image/png"); filePart.setHeader(QNetworkRequest::ContentTypeHeader, "image/png");
filePart.setHeader(QNetworkRequest::ContentDispositionHeader, "form-data; name=\"image\""); filePart.setHeader(QNetworkRequest::ContentDispositionHeader, "form-data; name=\"image\"");
multipart->append(filePart); multipart->append(filePart);
QHttpPart typePart; QHttpPart typePart;
typePart.setHeader(QNetworkRequest::ContentDispositionHeader, "form-data; name=\"type\""); typePart.setHeader(QNetworkRequest::ContentDispositionHeader, "form-data; name=\"type\"");
typePart.setBody("base64"); typePart.setBody("file");
multipart->append(typePart); multipart->append(typePart);
QHttpPart namePart; QHttpPart namePart;
namePart.setHeader(QNetworkRequest::ContentDispositionHeader, "form-data; name=\"name\""); namePart.setHeader(QNetworkRequest::ContentDispositionHeader, "form-data; name=\"name\"");
namePart.setBody(m_shot->m_file.baseName().toUtf8()); namePart.setBody(m_fileInfo.baseName().toUtf8());
multipart->append(namePart); multipart->append(namePart);
QNetworkReply *rep = m_network->post(request, multipart); return m_network->post(request, multipart);
};
m_reply.reset(rep); auto ImgurUpload::Sink::init(QNetworkRequest& request) -> Task::State
connect(rep, &QNetworkReply::uploadProgress, this, &ImgurUpload::downloadProgress); {
connect(rep, &QNetworkReply::finished, this, &ImgurUpload::downloadFinished); m_output.clear();
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0) // QNetworkReply::errorOccurred added in 5.15 return Task::State::Running;
connect(rep, &QNetworkReply::errorOccurred, this, &ImgurUpload::downloadError); };
#else
connect(rep, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::error), this, &ImgurUpload::downloadError); auto ImgurUpload::Sink::write(QByteArray& data) -> Task::State
#endif {
connect(rep, &QNetworkReply::sslErrors, this, &ImgurUpload::sslErrors); m_output.append(data);
return Task::State::Running;
} }
void ImgurUpload::downloadError(QNetworkReply::NetworkError error) auto ImgurUpload::Sink::abort() -> Task::State
{ {
qCritical() << "ImgurUpload failed with error" << m_reply->errorString() << "Server reply:\n" << m_reply->readAll(); m_output.clear();
if(finished) return Task::State::Failed;
{
qCritical() << "Double finished ImgurUpload!";
return;
}
m_state = Task::State::Failed;
finished = true;
m_reply.reset();
emitFailed();
} }
void ImgurUpload::downloadFinished() auto ImgurUpload::Sink::finalize(QNetworkReply&) -> Task::State
{ {
if(finished)
{
qCritical() << "Double finished ImgurUpload!";
return;
}
QByteArray data = m_reply->readAll();
m_reply.reset();
QJsonParseError jsonError; QJsonParseError jsonError;
QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError); QJsonDocument doc = QJsonDocument::fromJson(m_output, &jsonError);
if (jsonError.error != QJsonParseError::NoError) if (jsonError.error != QJsonParseError::NoError) {
{
qDebug() << "imgur server did not reply with JSON" << jsonError.errorString(); qDebug() << "imgur server did not reply with JSON" << jsonError.errorString();
finished = true; return Task::State::Failed;
m_reply.reset();
emitFailed();
return;
} }
auto object = doc.object(); auto object = doc.object();
if (!object.value("success").toBool()) if (!object.value("success").toBool()) {
{
qDebug() << "Screenshot upload not successful:" << doc.toJson(); qDebug() << "Screenshot upload not successful:" << doc.toJson();
finished = true; return Task::State::Failed;
m_reply.reset();
emitFailed();
return;
} }
m_shot->m_imgurId = object.value("data").toObject().value("id").toString(); m_shot->m_imgurId = object.value("data").toObject().value("id").toString();
m_shot->m_url = object.value("data").toObject().value("link").toString(); m_shot->m_url = object.value("data").toObject().value("link").toString();
m_shot->m_imgurDeleteHash = object.value("data").toObject().value("deletehash").toString(); m_shot->m_imgurDeleteHash = object.value("data").toObject().value("deletehash").toString();
m_state = Task::State::Succeeded; return Task::State::Succeeded;
finished = true;
emit succeeded();
return;
} }
void ImgurUpload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal) Net::NetRequest::Ptr ImgurUpload::make(ScreenShot::Ptr m_shot)
{ {
setProgress(bytesReceived, bytesTotal); auto up = makeShared<ImgurUpload>(m_shot->m_file);
emit progress(bytesReceived, bytesTotal); up->m_url = std::move(BuildConfig.IMGUR_BASE_URL + "upload.json");
up->m_sink.reset(new Sink(m_shot));
return up;
} }

View File

@ -35,31 +35,36 @@
#pragma once #pragma once
#include "net/NetAction.h" #include <QFileInfo>
#include "Screenshot.h" #include "Screenshot.h"
#include "net/NetRequest.h"
class ImgurUpload : public NetAction { class ImgurUpload : public Net::NetRequest {
public: public:
using Ptr = shared_qobject_ptr<ImgurUpload>; class Sink : public Net::Sink {
public:
Sink(ScreenShot::Ptr shot) : m_shot(shot){};
virtual ~Sink() = default;
explicit ImgurUpload(ScreenShot::Ptr shot); public:
static Ptr make(ScreenShot::Ptr shot) { auto init(QNetworkRequest& request) -> Task::State override;
return Ptr(new ImgurUpload(shot)); auto write(QByteArray& data) -> Task::State override;
} auto abort() -> Task::State override;
void init() override {}; auto finalize(QNetworkReply& reply) -> Task::State override;
auto hasLocalData() -> bool override { return false; }
protected private:
slots:
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal) override;
void downloadError(QNetworkReply::NetworkError error) override;
void downloadFinished() override;
void downloadReadyRead() override {}
public
slots:
void executeTask() override;
private:
ScreenShot::Ptr m_shot; ScreenShot::Ptr m_shot;
bool finished = true; QByteArray m_output;
};
ImgurUpload(QFileInfo info) : m_fileInfo(info) {}
virtual ~ImgurUpload() = default;
static NetRequest::Ptr make(ScreenShot::Ptr m_shot);
void init() override;
private:
virtual QNetworkReply* getReply(QNetworkRequest&) override;
const QFileInfo m_fileInfo;
}; };

View File

@ -403,41 +403,37 @@ void ScreenshotsPage::on_actionUpload_triggered()
QList<ScreenShot::Ptr> uploaded; QList<ScreenShot::Ptr> uploaded;
auto job = NetJob::Ptr(new NetJob("Screenshot Upload", APPLICATION->network())); auto job = NetJob::Ptr(new NetJob("Screenshot Upload", APPLICATION->network()));
if(selection.size() < 2)
{ ProgressDialog dialog(this);
dialog.setSkipButton(true, tr("Abort"));
if (selection.size() < 2) {
auto item = selection.at(0); auto item = selection.at(0);
auto info = m_model->fileInfo(item); auto info = m_model->fileInfo(item);
auto screenshot = std::make_shared<ScreenShot>(info); auto screenshot = std::make_shared<ScreenShot>(info);
job->addNetAction(ImgurUpload::make(screenshot)); job->addNetAction(ImgurUpload::make(screenshot));
m_uploadActive = true; m_uploadActive = true;
ProgressDialog dialog(this);
if(dialog.execWithTask(job.get()) != QDialog::Accepted) if (dialog.execWithTask(job.get()) != QDialog::Accepted) {
{ CustomMessageBox::selectable(this, tr("Failed to upload screenshots!"), tr("Unknown error"), QMessageBox::Warning)->exec();
CustomMessageBox::selectable(this, tr("Failed to upload screenshots!"), } else {
tr("Unknown error"), QMessageBox::Warning)->exec();
}
else
{
auto link = screenshot->m_url; auto link = screenshot->m_url;
QClipboard *clipboard = QApplication::clipboard(); QClipboard* clipboard = QApplication::clipboard();
qDebug() << "ImgurUpload link" << link;
clipboard->setText(link); clipboard->setText(link);
CustomMessageBox::selectable( CustomMessageBox::selectable(
this, this, tr("Upload finished"),
tr("Upload finished"), tr("The <a href=\"%1\">link to the uploaded screenshot</a> has been placed in your clipboard.").arg(link),
tr("The <a href=\"%1\">link to the uploaded screenshot</a> has been placed in your clipboard.") QMessageBox::Information)
.arg(link), ->exec();
QMessageBox::Information
)->exec();
} }
m_uploadActive = false; m_uploadActive = false;
return; return;
} }
for (auto item : selection) for (auto item : selection) {
{
auto info = m_model->fileInfo(item); auto info = m_model->fileInfo(item);
auto screenshot = std::make_shared<ScreenShot>(info); auto screenshot = std::make_shared<ScreenShot>(info);
uploaded.push_back(screenshot); uploaded.push_back(screenshot);
@ -445,32 +441,23 @@ void ScreenshotsPage::on_actionUpload_triggered()
} }
SequentialTask task; SequentialTask task;
auto albumTask = NetJob::Ptr(new NetJob("Imgur Album Creation", APPLICATION->network())); auto albumTask = NetJob::Ptr(new NetJob("Imgur Album Creation", APPLICATION->network()));
auto imgurAlbum = ImgurAlbumCreation::make(uploaded); auto imgurResult = std::make_shared<ImgurAlbumCreation::Result>();
auto imgurAlbum = ImgurAlbumCreation::make(imgurResult, uploaded);
albumTask->addNetAction(imgurAlbum); albumTask->addNetAction(imgurAlbum);
task.addTask(job); task.addTask(job);
task.addTask(albumTask); task.addTask(albumTask);
m_uploadActive = true; m_uploadActive = true;
ProgressDialog prog(this); if (dialog.execWithTask(&task) != QDialog::Accepted || imgurResult->id.isEmpty()) {
if (prog.execWithTask(&task) != QDialog::Accepted) CustomMessageBox::selectable(this, tr("Failed to upload screenshots!"), tr("Unknown error"), QMessageBox::Warning)->exec();
{ } else {
CustomMessageBox::selectable( auto link = QString("https://imgur.com/a/%1").arg(imgurResult->id);
this, qDebug() << "ImgurUpload link" << link;
tr("Failed to upload screenshots!"), QClipboard* clipboard = QApplication::clipboard();
tr("Unknown error"),
QMessageBox::Warning
)->exec();
}
else
{
auto link = QString("https://imgur.com/a/%1").arg(imgurAlbum->id());
QClipboard *clipboard = QApplication::clipboard();
clipboard->setText(link); clipboard->setText(link);
CustomMessageBox::selectable( CustomMessageBox::selectable(this, tr("Upload finished"),
this, tr("The <a href=\"%1\">link to the uploaded album</a> has been placed in your clipboard.").arg(link),
tr("Upload finished"), QMessageBox::Information)
tr("The <a href=\"%1\">link to the uploaded album</a> has been placed in your clipboard.") .arg(link), ->exec();
QMessageBox::Information
)->exec();
} }
m_uploadActive = false; m_uploadActive = false;
} }
@ -478,8 +465,7 @@ void ScreenshotsPage::on_actionUpload_triggered()
void ScreenshotsPage::on_actionCopy_Image_triggered() void ScreenshotsPage::on_actionCopy_Image_triggered()
{ {
auto selection = ui->listView->selectionModel()->selectedRows(); auto selection = ui->listView->selectionModel()->selectedRows();
if(selection.size() < 1) if (selection.size() < 1) {
{
return; return;
} }