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qTox/widget/filetransfertwidget.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 "filetransfertwidget.h"
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#include "widget.h"
#include "core.h"
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#include "math.h"
#include <QFileDialog>
#include <QPixmap>
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#include <QPainter>
#include <QMessageBox>
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FileTransfertWidget::FileTransfertWidget(ToxFile File)
: lastUpdate{QDateTime::currentDateTime()}, lastBytesSent{0},
fileNum{File.fileNum}, friendId{File.friendId}, direction{File.direction}
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{
pic=new QLabel(), filename=new QLabel(), size=new QLabel(), speed=new QLabel(), eta=new QLabel();
topright = new QPushButton(), bottomright = new QPushButton();
progress = new QProgressBar();
mainLayout = new QHBoxLayout(), textLayout = new QHBoxLayout();
infoLayout = new QVBoxLayout(), buttonLayout = new QVBoxLayout();
buttonWidget = new QWidget();
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QFont prettysmall;
prettysmall.setPixelSize(10);
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this->setObjectName("default");
QFile f0(":/ui/fileTransferWidget/fileTransferWidget.css");
f0.open(QFile::ReadOnly | QFile::Text);
QTextStream fileTransfertWidgetStylesheet(&f0);
this->setStyleSheet(fileTransfertWidgetStylesheet.readAll());
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QPalette greybg;
greybg.setColor(QPalette::Window, QColor(209,209,209));
greybg.setColor(QPalette::Base, QColor(150,150,150));
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setPalette(greybg);
setAutoFillBackground(true);
setMinimumSize(250,58);
setMaximumHeight(58);
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setLayout(mainLayout);
mainLayout->setMargin(0);
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pic->setMaximumHeight(40);
pic->setContentsMargins(5,0,0,0);
filename->setText(File.fileName);
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filename->setFont(prettysmall);
size->setText(getHumanReadableSize(File.filesize));
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size->setFont(prettysmall);
speed->setText("0B/s");
speed->setFont(prettysmall);
eta->setText("00:00");
eta->setFont(prettysmall);
progress->setValue(0);
progress->setMinimumHeight(11);
progress->setFont(prettysmall);
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progress->setTextVisible(false);
QPalette whitebg;
whitebg.setColor(QPalette::Window, QColor(255,255,255));
buttonWidget->setPalette(whitebg);
buttonWidget->setAutoFillBackground(true);
buttonWidget->setLayout(buttonLayout);
QFile f1(":/ui/stopFileButton/style.css");
f1.open(QFile::ReadOnly | QFile::Text);
QTextStream stopFileButtonStylesheetStream(&f1);
stopFileButtonStylesheet = stopFileButtonStylesheetStream.readAll();
QFile f2(":/ui/pauseFileButton/style.css");
f2.open(QFile::ReadOnly | QFile::Text);
QTextStream pauseFileButtonStylesheetStream(&f2);
pauseFileButtonStylesheet = pauseFileButtonStylesheetStream.readAll();
QFile f3(":/ui/acceptFileButton/style.css");
f3.open(QFile::ReadOnly | QFile::Text);
QTextStream acceptFileButtonStylesheetStream(&f3);
acceptFileButtonStylesheet = acceptFileButtonStylesheetStream.readAll();
topright->setStyleSheet(stopFileButtonStylesheet);
if (File.direction == ToxFile::SENDING)
{
bottomright->setStyleSheet(pauseFileButtonStylesheet);
connect(topright, SIGNAL(clicked()), this, SLOT(cancelTransfer()));
connect(bottomright, SIGNAL(clicked()), this, SLOT(pauseResumeSend()));
QPixmap preview;
File.file->seek(0);
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if (preview.loadFromData(File.file->readAll()))
{
preview = preview.scaledToHeight(40);
pic->setPixmap(preview);
}
File.file->seek(0);
}
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else
{
bottomright->setStyleSheet(acceptFileButtonStylesheet);
connect(topright, SIGNAL(clicked()), this, SLOT(rejectRecvRequest()));
connect(bottomright, SIGNAL(clicked()), this, SLOT(acceptRecvRequest()));
}
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QPalette toxgreen;
toxgreen.setColor(QPalette::Button, QColor(107,194,96)); // Tox Green
topright->setIconSize(QSize(10,10));
topright->setMinimumSize(25,28);
topright->setFlat(true);
topright->setAutoFillBackground(true);
topright->setPalette(toxgreen);
bottomright->setIconSize(QSize(10,10));
bottomright->setMinimumSize(25,28);
bottomright->setFlat(true);
bottomright->setAutoFillBackground(true);
bottomright->setPalette(toxgreen);
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mainLayout->addStretch();
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mainLayout->addWidget(pic);
mainLayout->addLayout(infoLayout,3);
mainLayout->addStretch();
mainLayout->addWidget(buttonWidget);
mainLayout->setMargin(0);
mainLayout->setSpacing(0);
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infoLayout->addWidget(filename);
infoLayout->addLayout(textLayout);
infoLayout->addWidget(progress);
infoLayout->setMargin(4);
infoLayout->setSpacing(4);
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textLayout->addWidget(size);
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textLayout->addStretch(0);
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textLayout->addWidget(speed);
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textLayout->addStretch(0);
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textLayout->addWidget(eta);
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textLayout->setMargin(2);
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textLayout->setSpacing(5);
buttonLayout->addWidget(topright);
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buttonLayout->addSpacing(2);
buttonLayout->addWidget(bottomright);
buttonLayout->setContentsMargins(2,0,0,0);
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buttonLayout->setSpacing(0);
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}
QString FileTransfertWidget::getHumanReadableSize(int size)
{
static const char* suffix[] = {"B","kiB","MiB","GiB","TiB"};
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int exp = 0;
if (size)
exp = std::min( (int) (log(size) / log(1024)), (int) (sizeof(suffix) / sizeof(suffix[0]) - 1));
return QString().setNum(size / pow(1024, exp),'g',3).append(suffix[exp]);
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}
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void FileTransfertWidget::onFileTransferInfo(int FriendId, int FileNum, int64_t Filesize, int64_t BytesSent, ToxFile::FileDirection Direction)
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{
if (FileNum != fileNum || FriendId != friendId || Direction != direction)
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return;
QDateTime newtime = QDateTime::currentDateTime();
int timediff = lastUpdate.secsTo(newtime);
if (timediff <= 0)
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return;
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qint64 diff = BytesSent - lastBytesSent;
if (diff < 0)
{
qWarning() << "FileTransfertWidget::onFileTransferInfo: Negative transfer speed !";
diff = 0;
}
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int rawspeed = diff / timediff;
speed->setText(getHumanReadableSize(rawspeed)+"/s");
size->setText(getHumanReadableSize(Filesize));
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if (!rawspeed)
return;
int etaSecs = (Filesize - BytesSent) / rawspeed;
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QTime etaTime(0,0);
etaTime = etaTime.addSecs(etaSecs);
eta->setText(etaTime.toString("mm:ss"));
if (!Filesize)
progress->setValue(0);
else
progress->setValue(BytesSent*100/Filesize);
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qDebug() << QString("FT: received %1/%2 bytes, progress is %3%").arg(BytesSent).arg(Filesize).arg(BytesSent*100/Filesize);
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lastUpdate = newtime;
lastBytesSent = BytesSent;
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}
void FileTransfertWidget::onFileTransferCancelled(int FriendId, int FileNum, ToxFile::FileDirection Direction)
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{
if (FileNum != fileNum || FriendId != friendId || Direction != direction)
return;
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buttonLayout->setContentsMargins(0,0,0,0);
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disconnect(topright);
disconnect(Widget::getInstance()->getCore(),0,this,0);
progress->hide();
speed->hide();
eta->hide();
topright->hide();
bottomright->hide();
QPalette whiteText;
whiteText.setColor(QPalette::WindowText, Qt::white);
filename->setPalette(whiteText);
size->setPalette(whiteText);
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this->setObjectName("error");
this->style()->polish(this);
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//Toggle window visibility to fix draw order bug
this->hide();
this->show();
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}
void FileTransfertWidget::onFileTransferFinished(ToxFile File)
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{
if (File.fileNum != fileNum || File.friendId != friendId || File.direction != direction)
return;
topright->disconnect();
disconnect(Widget::getInstance()->getCore(),0,this,0);
progress->hide();
speed->hide();
eta->hide();
topright->hide();
bottomright->hide();
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buttonLayout->setContentsMargins(0,0,0,0);
QPalette whiteText;
whiteText.setColor(QPalette::WindowText, Qt::white);
filename->setPalette(whiteText);
size->setPalette(whiteText);
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this->setObjectName("success");
this->style()->polish(this);
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//Toggle window visibility to fix draw order bug
this->hide();
this->show();
if (File.direction == ToxFile::RECEIVING)
{
QPixmap preview;
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QFile previewFile(File.filePath);
if (previewFile.open(QIODevice::ReadOnly) && previewFile.size() <= 1024*1024*25) // Don't preview big (>25MiB) images
{
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if (preview.loadFromData(previewFile.readAll()))
{
preview = preview.scaledToHeight(40);
pic->setPixmap(preview);
}
previewFile.close();
}
}
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}
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void FileTransfertWidget::cancelTransfer()
{
Widget::getInstance()->getCore()->cancelFileSend(friendId, fileNum);
}
void FileTransfertWidget::rejectRecvRequest()
{
Widget::getInstance()->getCore()->rejectFileRecvRequest(friendId, fileNum);
onFileTransferCancelled(friendId, fileNum, direction);
}
// for whatever the fuck reason, QFileInfo::isWritable() always fails for files that don't exist
// which makes it useless for our case
// since QDir doesn't have an isWritable(), the only option I can think of is to make/delete the file
// surely this is a common problem that has a qt-implemented solution?
bool isWritable(QString& path)
{
QFile file(path);
bool exists = file.exists();
bool out = file.open(QIODevice::WriteOnly);
file.close();
if (!exists)
file.remove();
return out;
}
void FileTransfertWidget::acceptRecvRequest()
{
QString path;
while (true)
{
path = QFileDialog::getSaveFileName(0,tr("Save a file","Title of the file saving dialog"),QDir::currentPath()+'/'+filename->text());
if (path.isEmpty())
return;
else
{
//bool savable = QFileInfo(path).isWritable();
//qDebug() << path << " is writable: " << savable;
//qDebug() << "/home/bill/bliss.pdf writable: " << QFileInfo("/home/bill/bliss.pdf").isWritable();
if (isWritable(path))
break;
else
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"));
}
}
savePath = path;
bottomright->setStyleSheet(pauseFileButtonStylesheet);
bottomright->disconnect();
connect(bottomright, SIGNAL(clicked()), this, SLOT(pauseResumeRecv()));
Widget::getInstance()->getCore()->acceptFileRecvRequest(friendId, fileNum, path);
}
void FileTransfertWidget::pauseResumeRecv()
{
Widget::getInstance()->getCore()->pauseResumeFileRecv(friendId, fileNum);
}
void FileTransfertWidget::pauseResumeSend()
{
Widget::getInstance()->getCore()->pauseResumeFileSend(friendId, fileNum);
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}
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void FileTransfertWidget::paintEvent(QPaintEvent *)
{
QStyleOption opt;
opt.init(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
}