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249 lines
6.2 KiB
249 lines
6.2 KiB
<?php |
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/** |
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* @copyright Copyright (c) 2016 Julius Härtl <jus@bitgrid.net> |
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* |
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* @author Joas Schilling <coding@schilljs.com> |
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* @author Julius Haertl <jus@bitgrid.net> |
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* @author Julius Härtl <jus@bitgrid.net> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\Theming; |
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use OCP\App\AppPathNotFoundException; |
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use OCP\App\IAppManager; |
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use OCP\Files\IAppData; |
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use OCP\Files\NotFoundException; |
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use OCP\Files\SimpleFS\ISimpleFile; |
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use OCP\IConfig; |
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use Leafo\ScssPhp\Compiler; |
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class Util { |
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/** @var IConfig */ |
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private $config; |
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/** @var IAppManager */ |
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private $appManager; |
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/** @var IAppData */ |
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private $appData; |
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/** |
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* Util constructor. |
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* |
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* @param IConfig $config |
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* @param IAppManager $appManager |
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* @param IAppData $appData |
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*/ |
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public function __construct(IConfig $config, IAppManager $appManager, IAppData $appData) { |
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$this->config = $config; |
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$this->appManager = $appManager; |
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$this->appData = $appData; |
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} |
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/** |
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* @param string $color rgb color value |
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* @return bool |
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*/ |
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public function invertTextColor($color) { |
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$l = $this->calculateLuma($color); |
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if($l>0.6) { |
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return true; |
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} else { |
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return false; |
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} |
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} |
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/** |
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* get color for on-page elements: |
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* theme color by default, grey if theme color is to bright |
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* @param $color |
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* @return string |
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*/ |
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public function elementColor($color) { |
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$l = $this->calculateLuminance($color); |
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if($l>0.8) { |
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return '#aaaaaa'; |
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} |
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return $color; |
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} |
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/** |
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* @param string $color rgb color value |
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* @return float |
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*/ |
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public function calculateLuminance($color) { |
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list($red, $green, $blue) = $this->hexToRGB($color); |
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$compiler = new Compiler(); |
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$hsl = $compiler->toHSL($red, $green, $blue); |
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return $hsl[3]/100; |
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} |
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/** |
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* @param string $color rgb color value |
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* @return float |
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*/ |
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public function calculateLuma($color) { |
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list($red, $green, $blue) = $this->hexToRGB($color); |
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return (0.2126 * $red + 0.7152 * $green + 0.0722 * $blue) / 255; |
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} |
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/** |
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* @param string $color rgb color value |
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* @return int[] |
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*/ |
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public function hexToRGB($color) { |
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$hex = preg_replace("/[^0-9A-Fa-f]/", '', $color); |
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if (strlen($hex) === 3) { |
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$hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2]; |
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} |
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if (strlen($hex) !== 6) { |
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return 0; |
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} |
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return [ |
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hexdec(substr($hex, 0, 2)), |
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hexdec(substr($hex, 2, 2)), |
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hexdec(substr($hex, 4, 2)) |
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]; |
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} |
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/** |
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* @param $color |
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* @return string base64 encoded radio button svg |
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*/ |
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public function generateRadioButton($color) { |
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$radioButtonIcon = '<svg xmlns="http://www.w3.org/2000/svg" height="16" width="16">' . |
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'<path d="M8 1a7 7 0 0 0-7 7 7 7 0 0 0 7 7 7 7 0 0 0 7-7 7 7 0 0 0-7-7zm0 1a6 6 0 0 1 6 6 6 6 0 0 1-6 6 6 6 0 0 1-6-6 6 6 0 0 1 6-6zm0 2a4 4 0 1 0 0 8 4 4 0 0 0 0-8z" fill="'.$color.'"/></svg>'; |
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return base64_encode($radioButtonIcon); |
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} |
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/** |
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* @param $app string app name |
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* @return string|ISimpleFile path to app icon / file of logo |
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*/ |
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public function getAppIcon($app) { |
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$app = str_replace(array('\0', '/', '\\', '..'), '', $app); |
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try { |
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$appPath = $this->appManager->getAppPath($app); |
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$icon = $appPath . '/img/' . $app . '.svg'; |
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if (file_exists($icon)) { |
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return $icon; |
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} |
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$icon = $appPath . '/img/app.svg'; |
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if (file_exists($icon)) { |
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return $icon; |
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} |
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} catch (AppPathNotFoundException $e) {} |
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if ($this->config->getAppValue('theming', 'logoMime', '') !== '') { |
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$logoFile = null; |
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try { |
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$folder = $this->appData->getFolder('images'); |
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if ($folder !== null) { |
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return $folder->getFile('logo'); |
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} |
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} catch (NotFoundException $e) {} |
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} |
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return \OC::$SERVERROOT . '/core/img/logo/logo.svg'; |
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} |
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/** |
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* @param $app string app name |
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* @param $image string relative path to image in app folder |
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* @return string|false absolute path to image |
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*/ |
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public function getAppImage($app, $image) { |
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$app = str_replace(array('\0', '/', '\\', '..'), '', $app); |
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$image = str_replace(array('\0', '\\', '..'), '', $image); |
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if ($app === "core") { |
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$icon = \OC::$SERVERROOT . '/core/img/' . $image; |
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if (file_exists($icon)) { |
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return $icon; |
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} |
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} |
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try { |
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$appPath = $this->appManager->getAppPath($app); |
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} catch (AppPathNotFoundException $e) { |
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return false; |
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} |
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$icon = $appPath . '/img/' . $image; |
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if (file_exists($icon)) { |
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return $icon; |
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} |
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$icon = $appPath . '/img/' . $image . '.svg'; |
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if (file_exists($icon)) { |
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return $icon; |
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} |
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$icon = $appPath . '/img/' . $image . '.png'; |
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if (file_exists($icon)) { |
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return $icon; |
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} |
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$icon = $appPath . '/img/' . $image . '.gif'; |
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if (file_exists($icon)) { |
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return $icon; |
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} |
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$icon = $appPath . '/img/' . $image . '.jpg'; |
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if (file_exists($icon)) { |
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return $icon; |
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} |
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return false; |
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} |
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/** |
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* replace default color with a custom one |
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* |
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* @param $svg string content of a svg file |
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* @param $color string color to match |
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* @return string |
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*/ |
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public function colorizeSvg($svg, $color) { |
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$svg = preg_replace('/#0082c9/i', $color, $svg); |
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return $svg; |
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} |
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/** |
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* Check if a custom theme is set in the server configuration |
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* |
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* @return bool |
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*/ |
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public function isAlreadyThemed() { |
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$theme = $this->config->getSystemValue('theme', ''); |
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if ($theme !== '') { |
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return true; |
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} |
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return false; |
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} |
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public function isBackgroundThemed() { |
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$backgroundLogo = $this->config->getAppValue('theming', 'backgroundMime',false); |
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$backgroundExists = true; |
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try { |
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$this->appData->getFolder('images')->getFile('background'); |
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} catch (\Exception $e) { |
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$backgroundExists = false; |
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} |
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return $backgroundLogo && $backgroundLogo !== 'backgroundColor' && $backgroundExists; |
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} |
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}
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