Merge pull request #11823 from lex111/fix-illegible-text-color-in-size-and-modified-columns

Fix illegible text color in columns Size and Modified on dark theme

apps/accessibility/appinfo/app.php

@@ -27,4 +27,5 @@ $app = new \OCA\Accessibility\AppInfo\Application();
 // Separate from the constructor since the route are not initialized before that
 // 1. create the app
 // 2. generate css route and inject
-$app->injectCss();
+$app->injectCss();
+$app->injectJavascript();

apps/accessibility/appinfo/routes.php

@@ -22,8 +22,9 @@
  */
 
 return [
-    'routes' => [
-        ['name' => 'accessibility#getCss', 'url' => '/css/user-{md5}.css', 'verb' => 'GET'],
+	'routes' => [
+		['name' => 'accessibility#getCss', 'url' => '/css/user-{md5}.css', 'verb' => 'GET'],
+		['name' => 'accessibility#getJavascript', 'url' => '/js/accessibility', 'verb' => 'GET'],
     ],
     'ocs' => [
 		[

apps/accessibility/lib/AppInfo/Application.php

@@ -60,4 +60,22 @@ class Application extends App {
 			}
 		}
 	}
+
+	public function injectJavascript() {
+		$linkToJs = $this->urlGenerator->linkToRoute(
+			$this->appName . '.accessibility.getJavascript',
+			[
+				'v' => \OC::$server->getConfig()->getAppValue('accessibility', 'cachebuster', '0'),
+			]
+		);
+
+		\OCP\Util::addHeader(
+			'script',
+			[
+				'src' => $linkToJs,
+				'nonce' => \OC::$server->getContentSecurityPolicyNonceManager()->getNonce()
+			],
+			''
+		);
+	}
 }

apps/accessibility/lib/Controller/AccessibilityController.php

@@ -28,6 +28,7 @@ use Leafo\ScssPhp\Formatter\Crunched;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\DataDisplayResponse;
+use OCP\AppFramework\Http\DataDownloadResponse;
 use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\App\IAppManager;
 use OCP\IConfig;
@@ -184,6 +185,24 @@ class AccessibilityController extends Controller {
 		return $response;
 	}
 
+	/**
+	 * @NoCSRFRequired
+	 * @PublicPage
+	 *
+	 * @return DataDownloadResponse
+	 */
+	public function getJavascript(): DataDownloadResponse {
+		$responseJS = '(function() {
+	OCA.Accessibility = {
+		theme: ' . json_encode($this->config->getUserValue($this->userSession->getUser()->getUID(), $this->appName, 'theme', false)) . ',
+		
+	};
+})();';
+		$response = new DataDownloadResponse($responseJS, 'javascript', 'text/javascript');
+		$response->cacheFor(3600);
+		return $response;
+	}
+
 	/**
 	 * Return an array with the user theme & font settings
 	 *

apps/files/js/filelist.js

@@ -1384,6 +1384,10 @@
 				// rgb(118, 118, 118) / #767676
 				// min. color contrast for normal text on white background according to WCAG AA
 				sizeColor = Math.round(118-Math.pow((fileData.size/(1024*1024)),2));
+
+				if (OCA.Accessibility && OCA.Accessibility.theme === 'themedark') {
+					sizeColor = Math.abs(sizeColor);
+				}
 			} else {
 				simpleSize = t('files', 'Pending');
 			}
@@ -1403,6 +1407,16 @@
 			if (modifiedColor >= '118') {
 				modifiedColor = 118;
 			}
+			if (OCA.Accessibility && OCA.Accessibility.theme === 'themedark') {
+				modifiedColor = Math.abs(modifiedColor);
+
+				// ensure that the dimmest color is still readable
+				// rgb(130, 130, 130) / #828282
+				// min. color contrast for normal text on black background according to WCAG AA
+				if (modifiedColor < 130) {
+					modifiedColor = 130;
+				}
+			}
 			var formatted;
 			var text;
 			if (mtime > 0) {