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64 lines
2.3 KiB
HTML
64 lines
2.3 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width; initial-scale=1.0">
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<title>Ensure APZ doesn't wait for passive listeners</title>
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<script type="application/javascript" src="apz_test_native_event_utils.js"></script>
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<script type="application/javascript" src="apz_test_utils.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
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<script type="application/javascript">
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var touchdownTime;
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function longPressLink() {
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synthesizeNativeTouch(document.getElementById('b'), 5, 5, SpecialPowers.DOMWindowUtils.TOUCH_CONTACT, function() {
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dump("Finished synthesizing touch-start, waiting for events...\n");
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});
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}
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var touchstartReceived = false;
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function recordEvent(e) {
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if (!touchstartReceived) {
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touchstartReceived = true;
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is(e.type, 'touchstart', 'Got a touchstart');
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e.preventDefault(); // should be a no-op because it's a passive listener
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return;
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}
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// If APZ decides to wait for the content response on a particular input block,
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// it needs to wait until both the touchstart and touchmove event are handled
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// by the main thread. In this case there is no touchmove at all, so APZ would
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// end up waiting indefinitely and time out the test. The fact that we get this
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// contextmenu event (mouselongtap on Windows) at all means that APZ decided
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// not to wait for the content response, which is the desired behaviour, since
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// the touchstart listener was registered as a passive listener.
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if (getPlatform() == "windows") {
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is(e.type, 'mouselongtap', 'Got a mouselongtap');
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} else {
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is(e.type, 'contextmenu', 'Got a contextmenu');
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}
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e.preventDefault();
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synthesizeNativeTouch(document.getElementById('b'), 5, 5, SpecialPowers.DOMWindowUtils.TOUCH_REMOVE, function() {
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dump("Finished synthesizing touch-end to clear state; finishing test...\n");
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subtestDone();
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});
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}
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window.addEventListener('touchstart', recordEvent, { passive: true, capture: true });
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if (getPlatform() == "windows") {
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SpecialPowers.addChromeEventListener('mouselongtap', recordEvent, true);
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} else {
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window.addEventListener('contextmenu', recordEvent, true);
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}
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waitUntilApzStable()
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.then(longPressLink);
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</script>
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</head>
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<body>
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<a id="b" href="#">Link to nowhere</a>
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</body>
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</html>
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