1 files changed, 24 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fullscreen/trusted-click.js b/testing/web-platform/tests/fullscreen/trusted-click.js
new file mode 100644
index 000000000..6cd4020f6
--- /dev/null
+++ b/testing/web-platform/tests/fullscreen/trusted-click.js
@@ -0,0 +1,24 @@
+// Invokes callback from a trusted click event, to satisfy
+// https://html.spec.whatwg.org/#triggered-by-user-activation
+function trusted_click(callback, container)
+{
+    var document = container.ownerDocument;
+    var button = document.createElement("button");
+    button.textContent = "click to continue test";
+    button.style.display = "block";
+    button.style.fontSize = "20px";
+    button.style.padding = "10px";
+    button.onclick = function()
+    {
+        callback();
+        container.removeChild(button);
+    };
+    container.appendChild(button);
+}
+
+// Invokes element.requestFullscreen() from a trusted click.
+function trusted_request(element, container)
+{
+    var request = element.requestFullscreen.bind(element);
+    trusted_click(request, container || element.parentNode);
+}