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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2022 Joas Schilling <coding@schilljs.com>
*
* @author Joas Schilling <coding@schilljs.com>
* @author John Molakvoæ <skjnldsv@protonmail.com>
*
* @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\Themes;
use OCA\Theming\AppInfo\Application;
use OCA\Theming\ImageManager;
use OCA\Theming\ITheme;
use OCA\Theming\Service\BackgroundService;
use OCA\Theming\ThemingDefaults;
use OCA\Theming\Util;
use OCP\App\IAppManager;
use OCP\IConfig;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\IUserSession;
use OCP\Server;
class DefaultTheme implements ITheme {
use CommonThemeTrait;
public Util $util;
public ThemingDefaults $themingDefaults;
public IUserSession $userSession;
public IURLGenerator $urlGenerator;
public ImageManager $imageManager;
public IConfig $config;
public IL10N $l;
public string $defaultPrimaryColor;
public string $primaryColor;
public function __construct(Util $util,
ThemingDefaults $themingDefaults,
IUserSession $userSession,
IURLGenerator $urlGenerator,
ImageManager $imageManager,
IConfig $config,
IL10N $l) {
$this->util = $util;
$this->themingDefaults = $themingDefaults;
$this->userSession = $userSession;
$this->urlGenerator = $urlGenerator;
$this->imageManager = $imageManager;
$this->config = $config;
$this->l = $l;
$this->defaultPrimaryColor = $this->themingDefaults->getDefaultColorPrimary();
$this->primaryColor = $this->themingDefaults->getColorPrimary();
// Override default defaultPrimaryColor if set to improve accessibility
if ($this->primaryColor === BackgroundService::DEFAULT_COLOR) {
$this->primaryColor = BackgroundService::DEFAULT_ACCESSIBLE_COLOR;
}
}
public function getId(): string {
return 'default';
}
public function getType(): int {
return ITheme::TYPE_THEME;
}
public function getTitle(): string {
return $this->l->t('System default theme');
}
public function getEnableLabel(): string {
return $this->l->t('Enable the system default');
}
public function getDescription(): string {
return $this->l->t('Using the default system appearance.');
}
public function getMediaQuery(): string {
return '';
}
public function getCSSVariables(): array {
$colorMainText = '#222222';
$colorMainTextRgb = join(',', $this->util->hexToRGB($colorMainText));
$colorTextMaxcontrast = $this->util->lighten($colorMainText, 33);
$colorMainBackground = '#ffffff';
$colorMainBackgroundRGB = join(',', $this->util->hexToRGB($colorMainBackground));
$colorBoxShadow = $this->util->darken($colorMainBackground, 70);
$colorBoxShadowRGB = join(',', $this->util->hexToRGB($colorBoxShadow));
$hasCustomLogoHeader = $this->imageManager->hasImage('logo') || $this->imageManager->hasImage('logoheader');
$hasCustomPrimaryColour = !empty($this->config->getAppValue(Application::APP_ID, 'color'));
$variables = [
'--color-main-background' => $colorMainBackground,
'--color-main-background-not-plain' => $this->themingDefaults->getColorPrimary(),
'--color-main-background-rgb' => $colorMainBackgroundRGB,
'--color-main-background-translucent' => 'rgba(var(--color-main-background-rgb), .97)',
'--color-main-background-blur' => 'rgba(var(--color-main-background-rgb), .8)',
'--filter-background-blur' => 'blur(25px)',
// to use like this: background-image: linear-gradient(0, var('--gradient-main-background));
'--gradient-main-background' => 'var(--color-main-background) 0%, var(--color-main-background-translucent) 85%, transparent 100%',
// used for different active/hover/focus/disabled states
'--color-background-hover' => $this->util->darken($colorMainBackground, 4),
'--color-background-dark' => $this->util->darken($colorMainBackground, 7),
'--color-background-darker' => $this->util->darken($colorMainBackground, 14),
'--color-placeholder-light' => $this->util->darken($colorMainBackground, 10),
'--color-placeholder-dark' => $this->util->darken($colorMainBackground, 20),
// max contrast for WCAG compliance
'--color-main-text' => $colorMainText,
'--color-text-maxcontrast' => $colorTextMaxcontrast,
'--color-text-maxcontrast-default' => $colorTextMaxcontrast,
'--color-text-maxcontrast-background-blur' => $this->util->darken($colorTextMaxcontrast, 7),
'--color-text-light' => $colorMainText,
'--color-text-lighter' => $this->util->lighten($colorMainText, 33),
'--color-scrollbar' => 'rgba(' . $colorMainTextRgb . ', .15)',
// info/warning/success feedback colours
'--color-error' => '#e9322d',
'--color-error-rgb' => join(',', $this->util->hexToRGB('#e9322d')),
'--color-error-hover' => $this->util->mix('#e9322d', $colorMainBackground, 60),
'--color-warning' => '#eca700',
'--color-warning-rgb' => join(',', $this->util->hexToRGB('#eca700')),
'--color-warning-hover' => $this->util->mix('#eca700', $colorMainBackground, 60),
'--color-success' => '#46ba61',
'--color-success-rgb' => join(',', $this->util->hexToRGB('#46ba61')),
'--color-success-hover' => $this->util->mix('#46ba61', $colorMainBackground, 60),
// used for the icon loading animation
'--color-loading-light' => '#cccccc',
'--color-loading-dark' => '#444444',
'--color-box-shadow-rgb' => $colorBoxShadowRGB,
'--color-box-shadow' => "rgba(var(--color-box-shadow-rgb), 0.5)",
'--color-border' => $this->util->darken($colorMainBackground, 7),
'--color-border-dark' => $this->util->darken($colorMainBackground, 14),
'--font-face' => "-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Cantarell, Ubuntu, 'Helvetica Neue', Arial, sans-serif, 'Noto Color Emoji', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'",
'--default-font-size' => '15px',
// TODO: support "(prefers-reduced-motion)"
'--animation-quick' => '100ms',
'--animation-slow' => '300ms',
// Default variables --------------------------------------------
'--border-radius' => '3px',
'--border-radius-large' => '10px',
// pill-style button, value is large so big buttons also have correct roundness
'--border-radius-pill' => '100px',
'--default-clickable-area' => '44px',
'--default-line-height' => '24px',
'--default-grid-baseline' => '4px',
// various structure data
'--header-height' => '50px',
'--navigation-width' => '300px',
'--sidebar-min-width' => '300px',
'--sidebar-max-width' => '500px',
'--list-min-width' => '200px',
'--list-max-width' => '300px',
'--header-menu-item-height' => '44px',
'--header-menu-profile-item-height' => '66px',
// mobile. Keep in sync with core/js/js.js
'--breakpoint-mobile' => '1024px',
// invert filter if primary is too bright
// to be used for legacy reasons only. Use inline
// svg with proper css variable instead or material
// design icons.
// ⚠️ Using 'no' as a value to make sure we specify an
// invalid one with no fallback. 'unset' could here fallback to some
// other theme with media queries
'--primary-invert-if-bright' => $this->util->invertTextColor($this->primaryColor) ? 'invert(100%)' : 'no',
'--background-invert-if-dark' => 'no',
'--background-invert-if-bright' => 'invert(100%)',
'--image-main-background' => "url('" . $this->urlGenerator->imagePath('core', 'app-background.jpg') . "')",
];
// Primary variables
$variables = array_merge($variables, $this->generatePrimaryVariables($colorMainBackground, $colorMainText));
$backgroundDeleted = $this->config->getAppValue(Application::APP_ID, 'backgroundMime', '') === 'backgroundColor';
// If primary as background has been request or if we have a custom primary colour
// let's not define the background image
if ($backgroundDeleted || $hasCustomPrimaryColour) {
$variables["--image-background-plain"] = 'true';
}
// Register image variables only if custom-defined
foreach (['logo', 'logoheader', 'favicon', 'background'] as $image) {
if ($this->imageManager->hasImage($image)) {
$imageUrl = $this->imageManager->getImageUrl($image);
if ($image === 'background') {
// If background deleted is set, ignoring variable
if ($backgroundDeleted) {
continue;
}
$variables['--image-background-size'] = 'cover';
$variables['--image-main-background'] = "url('" . $imageUrl . "')";
}
$variables["--image-$image"] = "url('" . $imageUrl . "')";
}
}
if ($hasCustomLogoHeader) {
$variables["--image-logoheader-custom"] = 'true';
}
$appManager = Server::get(IAppManager::class);
$user = $this->userSession->getUser();
if ($appManager->isEnabledForUser(Application::APP_ID) && $user !== null) {
$themingBackground = $this->config->getUserValue($user->getUID(), Application::APP_ID, 'background', 'default');
$currentVersion = (int)$this->config->getUserValue($user->getUID(), Application::APP_ID, 'backgroundVersion', '0');
if ($themingBackground === 'custom') {
$variables['--image-main-background'] = "url('" . $this->urlGenerator->linkToRouteAbsolute('theming.userTheme.getBackground') . "?v=$currentVersion')";
} elseif (isset(BackgroundService::SHIPPED_BACKGROUNDS[$themingBackground])) {
$variables['--image-main-background'] = "url('" . $this->urlGenerator->linkTo(Application::APP_ID, "/img/background/$themingBackground") . "')";
} elseif (substr($themingBackground, 0, 1) === '#') {
unset($variables['--image-main-background']);
$variables['--color-main-background-plain'] = $this->themingDefaults->getColorPrimary();
}
}
return $variables;
}
public function getCustomCss(): string {
return '';
}
}
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