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qTox/src/chatlog/content/filetransferwidget.cpp

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/*
Copyright (C) 2014 by Project Tox <https://tox.im>
This file is part of qTox, a Qt-based graphical interface for Tox.
This program is libre 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.
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 COPYING file for more details.
*/
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#include "filetransferwidget.h"
#include "ui_filetransferwidget.h"
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#include "src/core.h"
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#include "src/misc/style.h"
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#include <QMouseEvent>
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#include <QFileDialog>
#include <QDir>
#include <QFileInfo>
#include <QMessageBox>
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#include <QDebug>
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FileTransferWidget::FileTransferWidget(QWidget *parent, ToxFile file)
: QWidget(parent)
, ui(new Ui::FileTransferWidget)
, fileInfo(file)
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, lastTick(QTime::currentTime())
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{
ui->setupUi(this);
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// hide the QWidget background (background-color: transparent doesn't seem to work)
setAttribute(Qt::WA_TranslucentBackground, true);
ui->previewLabel->hide();
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ui->filenameLabel->setText(file.fileName);
ui->progressBar->setValue(0);
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ui->fileSizeLabel->setText(getHumanReadableSize(file.filesize));
ui->progressLabel->setText("0%");
ui->etaLabel->setText("--:--");
setStyleSheet(Style::getStylesheet(":/ui/fileTransferInstance/grey.css"));
Style::repolish(this);
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connect(Core::getInstance(), &Core::fileTransferInfo, this, &FileTransferWidget::onFileTransferInfo);
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connect(Core::getInstance(), &Core::fileTransferAccepted, this, &FileTransferWidget::onFileTransferAccepted);
connect(Core::getInstance(), &Core::fileTransferCancelled, this, &FileTransferWidget::onFileTransferCancelled);
connect(Core::getInstance(), &Core::fileTransferPaused, this, &FileTransferWidget::onFileTransferPaused);
connect(Core::getInstance(), &Core::fileTransferFinished, this, &FileTransferWidget::onFileTransferFinished);
setupButtons();
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//preview
if(fileInfo.direction == ToxFile::SENDING)
showPreview(fileInfo.filePath);
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setFixedHeight(85);
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}
FileTransferWidget::~FileTransferWidget()
{
delete ui;
}
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void FileTransferWidget::onFileTransferInfo(ToxFile file)
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{
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if(fileInfo != file)
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return;
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fileInfo = file;
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// update progress
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qreal progress = static_cast<qreal>(file.bytesSent) / static_cast<qreal>(file.filesize);
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ui->progressBar->setValue(static_cast<int>(progress * 100.0));
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// eta, speed
QTime now = QTime::currentTime();
qreal deltaSecs = lastTick.msecsTo(now) / 1000.0;
if(deltaSecs >= 1.0)
{
qint64 deltaBytes = file.bytesSent - lastBytesSent;
qint64 bytesPerSec = static_cast<int>(static_cast<qreal>(deltaBytes) / deltaSecs);
if(bytesPerSec > 0)
{
QTime toGo(0,0,file.filesize / bytesPerSec);
ui->etaLabel->setText(toGo.toString("mm:ss"));
}
else
{
ui->etaLabel->setText("--:--");
}
ui->progressLabel->setText(getHumanReadableSize(bytesPerSec) + "/s");
lastTick = now;
lastBytesSent = file.bytesSent;
}
setupButtons();
repaint();
}
void FileTransferWidget::onFileTransferAccepted(ToxFile file)
{
if(fileInfo != file)
return;
fileInfo = file;
setStyleSheet(Style::getStylesheet(":/ui/fileTransferInstance/yellow.css"));
Style::repolish(this);
setupButtons();
}
void FileTransferWidget::onFileTransferCancelled(ToxFile file)
{
if(fileInfo != file)
return;
fileInfo = file;
setStyleSheet(Style::getStylesheet(":/ui/fileTransferInstance/red.css"));
Style::repolish(this);
setupButtons();
hideWidgets();
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disconnect(Core::getInstance(), 0, this, 0);
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}
void FileTransferWidget::onFileTransferPaused(ToxFile file)
{
if(fileInfo != file)
return;
fileInfo = file;
setStyleSheet(Style::getStylesheet(":/ui/fileTransferInstance/grey.css"));
Style::repolish(this);
setupButtons();
}
void FileTransferWidget::onFileTransferFinished(ToxFile file)
{
if(fileInfo != file)
return;
fileInfo = file;
setStyleSheet(Style::getStylesheet(":/ui/fileTransferInstance/green.css"));
Style::repolish(this);
setupButtons();
hideWidgets();
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// preview
if(fileInfo.direction == ToxFile::RECEIVING)
showPreview(fileInfo.filePath);
disconnect(Core::getInstance(), 0, this, 0);
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}
QString FileTransferWidget::getHumanReadableSize(qint64 size)
{
static const char* suffix[] = {"B","kiB","MiB","GiB","TiB"};
int exp = 0;
if (size > 0)
exp = std::min( (int) (log(size) / log(1024)), (int) (sizeof(suffix) / sizeof(suffix[0]) - 1));
return QString().setNum(size / pow(1024, exp),'f',2).append(suffix[exp]);
}
void FileTransferWidget::hideWidgets()
{
ui->buttonWidget->hide();
ui->progressBar->hide();
ui->progressLabel->hide();
ui->etaLabel->hide();
}
void FileTransferWidget::setupButtons()
{
switch(fileInfo.status)
{
case ToxFile::TRANSMITTING:
ui->topButton->setIcon(QIcon(":/ui/fileTransferInstance/no_2x.png"));
ui->topButton->setObjectName("cancel");
ui->bottomButton->setIcon(QIcon(":/ui/fileTransferInstance/pause_2x.png"));
ui->bottomButton->setObjectName("pause");
break;
case ToxFile::PAUSED:
ui->topButton->setIcon(QIcon(":/ui/fileTransferInstance/no_2x.png"));
ui->topButton->setObjectName("cancel");
ui->bottomButton->setIcon(QIcon(":/ui/fileTransferInstance/arrow_white_2x.png"));
ui->bottomButton->setObjectName("resume");
break;
case ToxFile::STOPPED:
case ToxFile::BROKEN: //TODO: ?
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ui->topButton->setIcon(QIcon(":/ui/fileTransferInstance/no_2x.png"));
ui->topButton->setObjectName("cancel");
if(fileInfo.direction == ToxFile::SENDING)
{
ui->bottomButton->setIcon(QIcon(":/ui/fileTransferInstance/pause_2x.png"));
ui->bottomButton->setObjectName("pause");
}
else
{
ui->bottomButton->setIcon(QIcon(":/ui/fileTransferInstance/yes_2x.png"));
ui->bottomButton->setObjectName("accept");
}
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break;
}
}
void FileTransferWidget::handleButton(QPushButton *btn)
{
if(fileInfo.direction == ToxFile::SENDING)
{
if(btn->objectName() == "cancel")
Core::getInstance()->cancelFileSend(fileInfo.friendId, fileInfo.fileNum);
if(btn->objectName() == "pause")
Core::getInstance()->pauseResumeFileSend(fileInfo.friendId, fileInfo.fileNum);
if(btn->objectName() == "resume")
Core::getInstance()->pauseResumeFileSend(fileInfo.friendId, fileInfo.fileNum);
}
else
{
if(btn->objectName() == "cancel")
Core::getInstance()->cancelFileRecv(fileInfo.friendId, fileInfo.fileNum);
if(btn->objectName() == "pause")
Core::getInstance()->pauseResumeFileRecv(fileInfo.friendId, fileInfo.fileNum);
if(btn->objectName() == "resume")
Core::getInstance()->pauseResumeFileRecv(fileInfo.friendId, fileInfo.fileNum);
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if(btn->objectName() == "accept")
{
QString path = QFileDialog::getSaveFileName(0, tr("Save a file","Title of the file saving dialog"), QDir::home().filePath(fileInfo.fileName));
if(!QFileInfo(QDir(path).path()).isWritable())
{
QMessageBox::warning(0,
tr("Location not writable","Title of permissions popup"),
tr("You do not have permission to write that location. Choose another, or cancel the save dialog.", "text of permissions popup"));
return;
}
if(!path.isEmpty())
Core::getInstance()->acceptFileRecvRequest(fileInfo.friendId, fileInfo.fileNum, path);
}
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}
}
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void FileTransferWidget::showPreview(const QString &filename)
{
//QPixmap pmap = QPixmap(filename).scaled(QSize(ui->previewLabel->maximumWidth(), maximumHeight()), Qt::KeepAspectRatio, Qt::SmoothTransformation);
QPixmap pmap = QPixmap(filename).scaledToWidth(ui->previewLabel->maximumWidth(), Qt::SmoothTransformation);
ui->previewLabel->setPixmap(pmap);
ui->previewLabel->show();
}
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void FileTransferWidget::on_topButton_clicked()
{
handleButton(ui->topButton);
}
void FileTransferWidget::on_bottomButton_clicked()
{
handleButton(ui->bottomButton);
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}