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<!DOCTYPE HTML>
<title>Canvas Tests</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<body>
<script>
SimpleTest.waitForExplicitFinish();
</script>
<p>Canvas test: drawFocusIfNeeded</p>
<canvas id="c689" class="output" width="50" height="25">
<input id="button3" type="range" min="1" max="12"></input>
<input id="button4" type="range" min="1" max="12"></input>
</canvas>
<script type="text/javascript">
function isEmptyCanvas(ctx, w, h) {
var imgdata = ctx.getImageData(0, 0, w, h);
for(var x = 0; x < w*h*4; x++)
if(imgdata.data[x] != 0)
return false;
return true;
}
var b1 = document.getElementById('button3');
var b2 = document.getElementById('button4');
function test_drawFocusIfNeeded_canvas() {
var c = document.getElementById("c689");
var ctx = c.getContext("2d");
ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
ctx.beginPath();
ctx.rect(10, 10, 30, 30);
ctx.drawFocusIfNeeded(b1);
ok(isEmptyCanvas(ctx, ctx.canvas.width, ctx.canvas.height), "focus of button 1 is drawn");
ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
ctx.beginPath();
ctx.rect(50, 10, 30, 30);
ctx.drawFocusIfNeeded(b2);
ctx.rect(50, 10, 30, 30);
ctx.drawFocusIfNeeded(b2);
ok(isEmptyCanvas(ctx, ctx.canvas.width, ctx.canvas.height), "focus of button 2 is drawn");
b1.focus();
ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
ctx.beginPath();
ctx.rect(10, 10, 30, 30);
ctx.drawFocusIfNeeded(b1);
ok(!isEmptyCanvas(ctx, ctx.canvas.width, ctx.canvas.height) , "focus of button 1 is not drawn");
}
</script>
<script>
async function runTests() {
await SpecialPowers.pushPrefEnv({
set: [
["canvas.focusring.enabled", true],
["browser.display.always_show_rings_after_key_focus", true],
]
});
await SimpleTest.promiseFocus();
synthesizeKey("KEY_Tab"); // Trigger keyboard navigation so outlines are shown.
synthesizeKey("KEY_Tab", { shiftKey: true }); // And now undo the focus move.
try {
test_drawFocusIfNeeded_canvas();
} catch(e) {
ok(false, "unexpected exception thrown in: test_drawFocusIfNeeded_canvas");
throw e;
}
SimpleTest.finish();
}
addLoadEvent(runTests);
</script>
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