1 files changed, 117 insertions, 0 deletions
diff --git a/apps/theming/lib/Capabilities.php b/apps/theming/lib/Capabilities.php
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index 00000000000..d5d6e415e75
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+++ b/apps/theming/lib/Capabilities.php
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+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCA\Theming;
+
+use OCA\Theming\AppInfo\Application;
+use OCA\Theming\Service\BackgroundService;
+use OCP\Capabilities\IPublicCapability;
+use OCP\IConfig;
+use OCP\IURLGenerator;
+use OCP\IUser;
+use OCP\IUserSession;
+
+/**
+ * Class Capabilities
+ *
+ * @package OCA\Theming
+ */
+class Capabilities implements IPublicCapability {
+
+	/**
+	 * @param ThemingDefaults $theming
+	 * @param Util $util
+	 * @param IURLGenerator $url
+	 * @param IConfig $config
+	 */
+	public function __construct(
+		protected ThemingDefaults $theming,
+		protected Util $util,
+		protected IURLGenerator $url,
+		protected IConfig $config,
+		protected IUserSession $userSession,
+	) {
+	}
+
+	/**
+	 * Return this classes capabilities
+	 *
+	 * @return array{
+	 *     theming: array{
+	 *         name: string,
+	 *         productName: string,
+	 *         url: string,
+	 *         slogan: string,
+	 *         color: string,
+	 *         color-text: string,
+	 *         color-element: string,
+	 *         color-element-bright: string,
+	 *         color-element-dark: string,
+	 *         logo: string,
+	 *         background: string,
+	 *         background-text: string,
+	 *         background-plain: bool,
+	 *         background-default: bool,
+	 *         logoheader: string,
+	 *         favicon: string,
+	 *     },
+	 * }
+	 */
+	public function getCapabilities() {
+		$color = $this->theming->getDefaultColorPrimary();
+		$colorText = $this->util->invertTextColor($color) ? '#000000' : '#ffffff';
+
+		$backgroundLogo = $this->config->getAppValue('theming', 'backgroundMime', '');
+		$backgroundColor = $this->theming->getColorBackground();
+		$backgroundText = $this->theming->getTextColorBackground();
+		$backgroundPlain = $backgroundLogo === 'backgroundColor' || ($backgroundLogo === '' && $backgroundColor !== BackgroundService::DEFAULT_COLOR);
+		$background = $backgroundPlain ? $backgroundColor : $this->url->getAbsoluteURL($this->theming->getBackground());
+
+		$user = $this->userSession->getUser();
+		if ($user instanceof IUser) {
+			/**
+			 * Mimics the logic of generateUserBackgroundVariables() that generates the CSS variables.
+			 * Also needs to be updated if the logic changes.
+			 * @see \OCA\Theming\Themes\CommonThemeTrait::generateUserBackgroundVariables()
+			 */
+			$color = $this->theming->getColorPrimary();
+			$colorText = $this->theming->getTextColorPrimary();
+
+			$backgroundImage = $this->config->getUserValue($user->getUID(), Application::APP_ID, 'background_image', BackgroundService::BACKGROUND_DEFAULT);
+			if ($backgroundImage === BackgroundService::BACKGROUND_CUSTOM) {
+				$backgroundPlain = false;
+				$background = $this->url->linkToRouteAbsolute('theming.userTheme.getBackground');
+			} elseif (isset(BackgroundService::SHIPPED_BACKGROUNDS[$backgroundImage])) {
+				$backgroundPlain = false;
+				$background = $this->url->linkTo(Application::APP_ID, "img/background/$backgroundImage");
+			} elseif ($backgroundImage !== BackgroundService::BACKGROUND_DEFAULT) {
+				$backgroundPlain = true;
+				$background = $backgroundColor;
+			}
+		}
+
+		return [
+			'theming' => [
+				'name' => $this->theming->getName(),
+				'productName' => $this->theming->getProductName(),
+				'url' => $this->theming->getBaseUrl(),
+				'slogan' => $this->theming->getSlogan(),
+				'color' => $color,
+				'color-text' => $colorText,
+				'color-element' => $this->util->elementColor($color),
+				'color-element-bright' => $this->util->elementColor($color),
+				'color-element-dark' => $this->util->elementColor($color, false),
+				'logo' => $this->url->getAbsoluteURL($this->theming->getLogo()),
+				'background' => $background,
+				'background-text' => $backgroundText,
+				'background-plain' => $backgroundPlain,
+				'background-default' => !$this->util->isBackgroundThemed(),
+				'logoheader' => $this->url->getAbsoluteURL($this->theming->getLogo()),
+				'favicon' => $this->url->getAbsoluteURL($this->theming->getLogo()),
+			],
+		];
+	}
+}