OO-3451 make tile icons work without the browserconfig that requries absolute urls

src/main/java/org/olat/core/gui/themes/Theme.java

@@ -44,6 +44,9 @@ public class Theme {
 	private static final String CUSTOM_FAVICON_PNG32_FILENAME = "meta/favicon32.png";
 	private static final String CUSTOM_FAVICON_PNG64_FILENAME = "meta/favicon64.png";
 	private static final String CUSTOM_APPICON_PNG180_FILENAME = "meta/appicon180.png";
+	private static final String CUSTOM_TILEICON_PNG70_FILENAME = "meta/tileicon70.png";
+	private static final String CUSTOM_TILEICON_PNG150_FILENAME = "meta/tileicon150.png";
+	private static final String CUSTOM_TILEICON_PNG310_FILENAME = "meta/tileicon310.png";
 	private static final String CUSTOM_MANIFEST_FILENAME = "meta/manifest.json";
 	private static final String CUSTOM_MS_APPLICATION_CONFIG_FILENAM = "meta/msapplication-config.xml";
 	
@@ -168,9 +171,20 @@ public class Theme {
 		if (new File(themeFolder,CUSTOM_MANIFEST_FILENAME).exists()) {
 			sb.append("<link rel='manifest' href='").append(baseURI).append(CUSTOM_MANIFEST_FILENAME).append("' />\n");
 		}
-		// Include Microsoft application config file
+		// Include Microsoft application config file (make sure any referenced image in the file has absolute path configuration
 		if (new File(themeFolder,CUSTOM_MS_APPLICATION_CONFIG_FILENAM).exists()) {
 			sb.append("<meta name='msapplication-config' content='").append(baseURI).append(CUSTOM_MS_APPLICATION_CONFIG_FILENAM).append("' />\n");
+		} else {
+			sb.append("<meta name='msapplication-TileColor' content='").append("#ffffff").append("' />\n");
+			if (new File(themeFolder,CUSTOM_TILEICON_PNG70_FILENAME).exists()) {
+				sb.append("<meta name='msapplication-square70x70logo' content='").append(baseURI).append(CUSTOM_TILEICON_PNG70_FILENAME).append("' />\n");
+			}
+			if (new File(themeFolder,CUSTOM_TILEICON_PNG150_FILENAME).exists()) {
+				sb.append("<meta name='msapplication-square150x150logo' content='").append(baseURI).append(CUSTOM_TILEICON_PNG150_FILENAME).append("' />\n");
+			}
+			if (new File(themeFolder,CUSTOM_TILEICON_PNG310_FILENAME).exists()) {
+				sb.append("<meta name='msapplication-square310x310logo' content='").append(baseURI).append(CUSTOM_TILEICON_PNG310_FILENAME).append("' />\n");
+			}
 		}
 		
 		return sb.toString();

src/main/webapp/static/themes/light/meta/manifest.json

 {
-	"name":"OpenOLAT - Infinite Learning",
+	"name":"OpenOLAT eLearning",
 	"icons": [
 		{
 			"src":"appicon192.png", "sizes":"192x192", "type":"image/png"
 		}
 	],
 	"theme_color":"#ffffff",
-	"display":"standalone"
+	"display":"minimal-ui"
 }
\ No newline at end of file

src/main/webapp/static/themes/light/meta/msapplication-config.xml

-<?xml version="1.0" encoding="utf-8"?>
-    <browserconfig>
-        <msapplication>
-            <tile>
-		        <square70x70logo src="appicon70.png" />
-		        <square150x150logo src="appicon150.png" />
-		        <square310x310logo src="appicon310.png" />
-                <TileColor>#04283d</TileColor>
-            </tile>
-        </msapplication>
-    </browserconfig>
\ No newline at end of file