forked from felixonmars/panda-topbar
-
Notifications
You must be signed in to change notification settings - Fork 16
Expand file tree
/
Copy paththumbnails.cpp
More file actions
136 lines (122 loc) · 3.59 KB
/
Copy paththumbnails.cpp
File metadata and controls
136 lines (122 loc) · 3.59 KB
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 based on QtFM <https://qtfm.eu>
*
* Copyright (C) 2010-2021 QtFM developers (see https://github.com/rodlie/qtfm)
* Copyright (C) 2022 helloSystem developers
*
* 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; either version 2 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
* 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 <http://www.gnu.org/licenses/>
*
*/
#include "thumbnails.h"
#include <QtConcurrent/QtConcurrentRun>
#include <QDir>
#include <QFile>
#include <QDebug>
#include <QUrl>
#include <QFileInfo>
#include <QDateTime>
Thumbnail::Thumbnail(const QString &filename, QCryptographicHash::Algorithm hash, int iconSize,
QObject *parent)
: QObject(parent), _filename(filename), _hash(hash), _iconSize(iconSize), _valid(false)
{
}
const QString Thumbnail::getCachePath()
{
QString result = qgetenv("XDG_CACHE_HOME");
if (result.isEmpty()) {
result = QString("%1/.cache").arg(QDir::homePath());
}
result.append("/thumbnails");
switch (_iconSize) {
case ThumbnailSizeNormal:
result.append("/normal");
break;
case ThumbnailSizeLarge:
result.append("/large");
break;
case ThumbnailSizeXLarge:
result.append("/x-large");
break;
case ThumbnailSizeXXLarge:
result.append("/xx-large");
break;
}
if (!QFile::exists(result)) {
QDir dir(result);
if (!dir.mkpath(result)) {
result.clear();
}
}
return result;
}
const QString Thumbnail::getIconPath()
{
QString cache = getCachePath();
QString hash = getFileHash();
if (cache.isEmpty() || hash.isEmpty()) {
return QString();
}
return QString("%1/%2.png").arg(cache, hash);
}
bool Thumbnail::isValid()
{
return _valid;
}
const QString Thumbnail::getFileHash()
{
if (!QFile::exists(_filename)) {
return QString();
}
return QString(
QCryptographicHash::hash(QUrl::fromLocalFile(_filename).toEncoded(), _hash).toHex());
}
Thumbnails::Thumbnails(QObject *parent) : QObject(parent), _busy(false), _enabled(true) { }
bool Thumbnails::isBusy()
{
return _busy;
}
void Thumbnails::setEnabled(bool enabled)
{
_enabled = enabled;
}
bool Thumbnails::isEnabled()
{
return _enabled;
}
void Thumbnails::requestIcon(const QString &filename, QCryptographicHash::Algorithm hash,
int iconSize)
{
qDebug() << "requestIcon" << filename << hash << iconSize;
QtConcurrent::run(this, &Thumbnails::getIcon, filename, hash, iconSize);
}
void Thumbnails::requestIcons(const QStringList &filenames, QCryptographicHash::Algorithm hash,
int iconSize)
{
for (int i = 0; i < filenames.size(); ++i) {
requestIcon(filenames.at(i), hash, iconSize);
}
}
void Thumbnails::getIcon(const QString &filename, QCryptographicHash::Algorithm hash, int iconSize)
{
if (!isEnabled()) {
return;
}
_busy = true;
qDebug() << "getIcon" << filename << hash << iconSize;
Thumbnail thumb(filename, hash, iconSize);
_busy = false;
if (thumb.isValid()) {
emit foundIcon(filename, thumb.getIconPath());
}
}