Log exception from responsive with cross site css in FF (#16249)

Change-Id: I6072429d3a87afd25a6dd6604749ace728ab6d7d

client/src/com/vaadin/client/extensions/ResponsiveConnector.java

@@ -84,6 +84,10 @@ public class ResponsiveConnector extends AbstractExtensionConnector implements
         getLogger().log(Level.SEVERE, message);
     }
 
+    private static void warning(String message) {
+        getLogger().warning(message);
+    }
+
     @Override
     protected void extend(ServerConnector target) {
         this.target = (AbstractComponentConnector) target;
@@ -204,10 +208,17 @@ public class ResponsiveConnector extends AbstractExtensionConnector implements
         var IE = @com.vaadin.client.BrowserInfo::get()().@com.vaadin.client.BrowserInfo::isIE()();
         var IE8 = @com.vaadin.client.BrowserInfo::get()().@com.vaadin.client.BrowserInfo::isIE8()();
 
-        if (sheet.cssRules) {
-            theRules = sheet.cssRules
-        } else if (sheet.rules) {
-            theRules = sheet.rules
+        try {
+            if (sheet.cssRules) {
+                    theRules = sheet.cssRules
+            } else if (sheet.rules) {
+                theRules = sheet.rules
+            }
+        } catch (e) {
+            // FF spews if trying to access rules for cross domain styles
+            @ResponsiveConnector::warning(*)("Can't process styles from " + sheet.href +
+                ", probably because of cross domain issues: " + e);
+            return;
         }
 
         // Special import handling for IE8

uitest/src/com/vaadin/tests/extensions/ResponsiveWithCrossDomainStyles.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.extensions;
+
+import com.vaadin.annotations.StyleSheet;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Button.ClickEvent;
+
+@StyleSheet("http://fonts.googleapis.com/css?family=Cabin+Sketch")
+public class ResponsiveWithCrossDomainStyles extends AbstractTestUI {
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        addComponent(new Button("Make responsive", new Button.ClickListener() {
+            @Override
+            public void buttonClick(ClickEvent event) {
+                event.getButton().setResponsive(true);
+            }
+        }));
+    }
+
+}

uitest/src/com/vaadin/tests/extensions/ResponsiveWithCrossDomainStylesTest.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.extensions;
+
+import org.junit.Test;
+
+import com.vaadin.testbench.elements.ButtonElement;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class ResponsiveWithCrossDomainStylesTest extends MultiBrowserTest {
+    @Test
+    public void testResponsive() {
+        setDebug(true);
+        openTestURL();
+
+        $(ButtonElement.class).first().click();
+
+        assertNoErrorNotifications();
+    }
+
+}