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<?php |
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/** |
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* @copyright Copyright (c) 2022 John Molakvoæ <[email protected]> |
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* |
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* @author John Molakvoæ <[email protected]> |
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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\Service; |
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use OCA\Theming\Themes\DefaultTheme; |
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use OCP\IURLGenerator; |
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use OCP\Util; |
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class ThemeInjectionService { |
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private IURLGenerator $urlGenerator; |
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private ThemesService $themesService; |
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private DefaultTheme $defaultTheme; |
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public function __construct(IURLGenerator $urlGenerator, |
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ThemesService $themesService, |
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DefaultTheme $defaultTheme) { |
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$this->urlGenerator = $urlGenerator; |
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$this->themesService = $themesService; |
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$this->defaultTheme = $defaultTheme; |
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} |
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public function injectHeaders() { |
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$themes = $this->themesService->getThemes(); |
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$defaultTheme = $themes[$this->defaultTheme->getId()]; |
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$mediaThemes = array_filter($themes, function($theme) { |
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// Check if the theme provides a media query |
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return (bool)$theme->getMediaQuery(); |
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}); |
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// Default theme fallback |
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$this->addThemeHeader($defaultTheme->getId()); |
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// Themes applied by media queries |
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foreach($mediaThemes as $theme) { |
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$this->addThemeHeader($theme->getId(), true, $theme->getMediaQuery()); |
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} |
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// Themes |
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foreach($this->themesService->getThemes() as $theme) { |
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// Ignore default theme as already processed first |
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if ($theme->getId() === $this->defaultTheme->getId()) { |
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continue; |
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} |
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$this->addThemeHeader($theme->getId(), false); |
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} |
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} |
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/** |
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* Inject theme header into rendered page |
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* |
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* @param string $themeId the theme ID |
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* @param bool $plain request the :root syntax |
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* @param string $media media query to use in the <link> element |
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*/ |
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private function addThemeHeader(string $themeId, bool $plain = true, string $media = null) { |
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$linkToCSS = $this->urlGenerator->linkToRoute('theming.Theming.getThemeStylesheet', [ |
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'themeId' => $themeId, |
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'plain' => $plain, |
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]); |
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Util::addHeader('link', [ |
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'rel' => 'stylesheet', |
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'media' => $media, |
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'href' => $linkToCSS, |
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'class' => 'theme' |
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]); |
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} |
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} |
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nextcloud /
server
