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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
<?php
/**
* @copyright Copyright (c) 2016 Julius Härtl <jus@bitgrid.net>
*
* @author Julius Haertl <jus@bitgrid.net>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Theming;
use OCP\App\AppPathNotFoundException;
use OCP\App\IAppManager;
use OCP\Files\IAppData;
use OCP\Files\NotFoundException;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\IConfig;
use OCP\Files\IRootFolder;
use Leafo\ScssPhp\Compiler;
class Util {
/** @var IConfig */
private $config;
/** @var IAppManager */
private $appManager;
/** @var IAppData */
private $appData;
/**
* Util constructor.
*
* @param IConfig $config
* @param IAppManager $appManager
* @param IAppData $appData
*/
public function __construct(IConfig $config, IAppManager $appManager, IAppData $appData) {
$this->config = $config;
$this->appManager = $appManager;
$this->appData = $appData;
}
/**
* @param string $color rgb color value
* @return bool
*/
public function invertTextColor($color) {
$l = $this->calculateLuminance($color);
if($l>0.5) {
return true;
} else {
return false;
}
}
/**
* get color for on-page elements:
* theme color by default, grey if theme color is to bright
* @param $color
* @return string
*/
public function elementColor($color) {
$l = $this->calculateLuminance($color);
if($l>0.8) {
return '#555555';
} else {
return $color;
}
}
/**
* @param string $color rgb color value
* @return float
*/
public function calculateLuminance($color) {
$hex = preg_replace("/[^0-9A-Fa-f]/", '', $color);
if (strlen($hex) === 3) {
$hex = $hex{0} . $hex{0} . $hex{1} . $hex{1} . $hex{2} . $hex{2};
}
if (strlen($hex) !== 6) {
return 0;
}
$red = hexdec(substr($hex, 0, 2));
$green = hexdec(substr($hex, 2, 2));
$blue = hexdec(substr($hex, 4, 2));
$compiler = new Compiler();
$hsl = $compiler->toHSL($red, $green, $blue);
return $hsl[3]/100;
}
/**
* @param $color
* @return string base64 encoded radio button svg
*/
public function generateRadioButton($color) {
$radioButtonIcon = '<svg xmlns="http://www.w3.org/2000/svg" height="16" width="16">' .
'<path d="M8 1a7 7 0 0 0-7 7 7 7 0 0 0 7 7 7 7 0 0 0 7-7 7 7 0 0 0-7-7zm0 1a6 6 0 0 1 6 6 6 6 0 0 1-6 6 6 6 0 0 1-6-6 6 6 0 0 1 6-6zm0 2a4 4 0 1 0 0 8 4 4 0 0 0 0-8z" fill="'.$color.'"/></svg>';
return base64_encode($radioButtonIcon);
}
/**
* @param $app string app name
* @return string|ISimpleFile path to app icon / file of logo
*/
public function getAppIcon($app) {
$app = str_replace(array('\0', '/', '\\', '..'), '', $app);
try {
$appPath = $this->appManager->getAppPath($app);
$icon = $appPath . '/img/' . $app . '.svg';
if (file_exists($icon)) {
return $icon;
}
$icon = $appPath . '/img/app.svg';
if (file_exists($icon)) {
return $icon;
}
} catch (AppPathNotFoundException $e) {}
if ($this->config->getAppValue('theming', 'logoMime', '') !== '') {
$logoFile = null;
try {
$folder = $this->appData->getFolder('images');
if ($folder !== null) {
return $folder->getFile('logo');
}
} catch (NotFoundException $e) {}
}
return \OC::$SERVERROOT . '/core/img/logo.svg';
}
/**
* @param $app string app name
* @param $image string relative path to image in app folder
* @return string|false absolute path to image
*/
public function getAppImage($app, $image) {
$app = str_replace(array('\0', '/', '\\', '..'), '', $app);
$image = str_replace(array('\0', '\\', '..'), '', $image);
if ($app === "core") {
$icon = \OC::$SERVERROOT . '/core/img/' . $image;
if (file_exists($icon)) {
return $icon;
}
}
try {
$appPath = $this->appManager->getAppPath($app);
} catch (AppPathNotFoundException $e) {
return false;
}
$icon = $appPath . '/img/' . $image;
if (file_exists($icon)) {
return $icon;
}
$icon = $appPath . '/img/' . $image . '.svg';
if (file_exists($icon)) {
return $icon;
}
$icon = $appPath . '/img/' . $image . '.png';
if (file_exists($icon)) {
return $icon;
}
$icon = $appPath . '/img/' . $image . '.gif';
if (file_exists($icon)) {
return $icon;
}
$icon = $appPath . '/img/' . $image . '.jpg';
if (file_exists($icon)) {
return $icon;
}
return false;
}
/**
* replace default color with a custom one
*
* @param $svg string content of a svg file
* @param $color string color to match
* @return string
*/
public function colorizeSvg($svg, $color) {
$svg = preg_replace('/#0082c9/i', $color, $svg);
return $svg;
}
}
|
