<!DOCTYPE HTML> <head> <title>Canvas test: drawFocusIfNeeded</title> <script src="../../resources/js-test.js"></script> </head> <body style="padding: 0; margin: 0"> <canvas id="canvas" class="output" width="300" height="350"> <button id="button1"></button> <button id="button2"></button> </canvas> <script> if (window.testRunner) testRunner.dumpAsText(); var canvas = document.getElementById("canvas").getContext("2d"); document.getElementById("button1").addEventListener('focus', function() { canvas.beginPath(); canvas.rect(50, 50, 200, 100); canvas.fillStyle = "#ccf"; canvas.fill(); canvas.drawFocusIfNeeded(document.getElementById("button1")); canvas.beginPath(); canvas.rect(50, 200, 200, 100); canvas.fillStyle = "#cfc"; canvas.fill(); canvas.drawFocusIfNeeded(document.getElementById("button2")); }); document.getElementById("button1").focus(); // The top rect's focus ring is tied to button1, which is focused. // It should have an outline in some color other than the background color. var imageData = canvas.getImageData(49, 50, 1, 1); var data = imageData.data; shouldBe("data[0] != 0 || data[1] != 0 || data[2] != 0", "true"); // The bottom rect"s focus ring is tied to button2, which is not focused. imageData = canvas.getImageData(49, 200, 1, 1); data = imageData.data; shouldBe("data[0] == 0 && data[1] == 0 && data[2] == 0", "true"); </script> </body>