aboutsummaryrefslogtreecommitdiff
path: root/lib/downloads/widgets/downloaditemwidget.cpp
blob: e0c8a600454a3a5ea6606fb2ea3a1aa1901d9e02 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/*
 * This file is part of smolbote. It's copyrighted by the contributors recorded
 * in the version control history of the file, available from its original
 * location: https://neueland.iserlohn-fortress.net/gitea/aqua/smolbote
 *
 * SPDX-License-Identifier: GPL-3.0
 */

#include "downloaditemwidget.h"
#include "ui_downloaditemform.h"
#include <QStyle>
#include <QUrl>
#include <QDesktopServices>
#include <QBuffer>

inline QString sizeString(qint64 size)
{
    if(size < 1024) {
        return QString("%1 bytes").arg(size);
    }
    // KiB
    if(size < 1024 * 1024) {
        return QString("%1 kB").arg(size / 1024);
    }
    // MiB
    if(size < 1024 * 1024 * 1024) {
        return QString("%1 MB").arg(size / (1024 * 1024));
    }
    // GiB
    return QString("%1 GB").arg(size / (1024 * 1024 * 1024));
}

DownloadItemWidget::DownloadItemWidget(QWebEngineDownloadItem *m_item, QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::DownloadItemForm)
{
    Q_CHECK_PTR(item);
    m_item = item;
    ui->setupUi(this);
    {
        // pause/resume icons
        QIcon pauseIcon;
        pauseIcon.addPixmap(style()->standardPixmap(QStyle::SP_MediaPlay), QIcon::Normal, QIcon::Off);
        pauseIcon.addPixmap(style()->standardPixmap(QStyle::SP_MediaPause), QIcon::Normal, QIcon::On);
        ui->pause_toolButton->setIcon(pauseIcon);

        ui->abort_toolButton->setIcon(style()->standardIcon(QStyle::SP_MediaStop));
    }

    ui->url_label->setText(item->url().toString());
    ui->path_label->setText(QString("%1<br>%2").arg(item->downloadDirectory(), item->downloadFileName()));

    this->updateState(item->state());
    connect(item, &QWebEngineDownloadItem::stateChanged, this, &DownloadItemWidget::updateState);
    connect(item, &QWebEngineDownloadItem::downloadProgress, this, &DownloadItemWidget::updateProgress);
    connect(item, &QWebEngineDownloadItem::finished, this, &DownloadItemWidget::updateFinished);

    connect(ui->abort_toolButton, &QToolButton::clicked, item, &QWebEngineDownloadItem::cancel);
    connect(ui->pause_toolButton, &QToolButton::clicked, item, [m_item](bool clicked) {
        clicked ? m_item->pause() : m_item->resume();
    });
    connect(ui->open_toolButton, &QToolButton::clicked, item, [m_item]() {
        QDesktopServices::openUrl(QUrl::fromLocalFile(m_item->downloadDirectory() + '/' + m_item->downloadFileName()));
    });
}

DownloadItemWidget::~DownloadItemWidget()
{
    delete ui;
}

void DownloadItemWidget::updateState(QWebEngineDownloadItem::DownloadState state)
{
    switch(state) {
    case QWebEngineDownloadItem::DownloadRequested:
        ui->status_label->setText(tr("Requested"));
        ui->pause_toolButton->setEnabled(true);
        ui->abort_toolButton->setEnabled(true);
        ui->open_toolButton->setEnabled(false);
        break;
    case QWebEngineDownloadItem::DownloadInProgress:
        ui->status_label->setText(tr("In progress"));
        ui->pause_toolButton->setEnabled(true);
        ui->abort_toolButton->setEnabled(true);
        ui->open_toolButton->setEnabled(false);
        break;
    case QWebEngineDownloadItem::DownloadCompleted:
        ui->status_label->setText(tr("Completed"));
        ui->pause_toolButton->setEnabled(false);
        ui->abort_toolButton->setEnabled(false);
        ui->open_toolButton->setEnabled(true);
        break;
    case QWebEngineDownloadItem::DownloadCancelled:
        ui->status_label->setText(tr("Cancelled"));
        ui->pause_toolButton->setEnabled(false);
        ui->abort_toolButton->setEnabled(false);
        ui->open_toolButton->setEnabled(false);
        break;
    case QWebEngineDownloadItem::DownloadInterrupted:
        ui->status_label->setText(tr("Interrupted"));
        ui->pause_toolButton->setEnabled(false);
        ui->abort_toolButton->setEnabled(false);
        ui->open_toolButton->setEnabled(false);
        break;
    default:
        break;
    }
}

void DownloadItemWidget::updateProgress(qint64 value, qint64 total)
{
    ui->progressBar->setValue(static_cast<int>((static_cast<long double>(value) / static_cast<long double>(total)) * 100));
    ui->progressBar->setFormat(QString("%1 / %2").arg(sizeString(value), sizeString(total)));
}

void DownloadItemWidget::updateFinished()
{
    ui->progressBar->setValue(ui->progressBar->maximum());
    ui->pause_toolButton->hide();
    ui->abort_toolButton->hide();
    ui->open_toolButton->show();

    // generate a preview tooltip
    if(item->mimeType().startsWith("image")) {
        const QPixmap pixmap(item->downloadDirectory()+'/'+item->downloadFileName());
        const QPixmap thumbnail = pixmap.scaledToWidth(qMax(400, pixmap.width()), Qt::SmoothTransformation);

        QByteArray imageData;
        QBuffer buffer(&imageData);
        thumbnail.save(&buffer, "PNG");

        const auto tooltip = QString("<img src='data:image/png;base64," + imageData.toBase64() + "' width='400' alt='preview'>");
        setToolTip(tooltip);
    }

}