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