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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /gfx/layers/apz/test/mochitest/helper_tap_passive.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/layers/apz/test/mochitest/helper_tap_passive.html')
| -rw-r--r-- | gfx/layers/apz/test/mochitest/helper_tap_passive.html | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gfx/layers/apz/test/mochitest/helper_tap_passive.html b/gfx/layers/apz/test/mochitest/helper_tap_passive.html new file mode 100644 index 000000000..dc3d85ed2 --- /dev/null +++ b/gfx/layers/apz/test/mochitest/helper_tap_passive.html @@ -0,0 +1,64 @@ +<!DOCTYPE HTML> +<html> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width; initial-scale=1.0"> + <title>Ensure APZ doesn't wait for passive listeners</title> + <script type="application/javascript" src="apz_test_native_event_utils.js"></script> + <script type="application/javascript" src="apz_test_utils.js"></script> + <script type="application/javascript" src="/tests/SimpleTest/paint_listener.js"></script> + <script type="application/javascript"> + +var touchdownTime; + +function longPressLink() { + synthesizeNativeTouch(document.getElementById('b'), 5, 5, SpecialPowers.DOMWindowUtils.TOUCH_CONTACT, function() { + dump("Finished synthesizing touch-start, waiting for events...\n"); + }); +} + +var touchstartReceived = false; +function recordEvent(e) { + if (!touchstartReceived) { + touchstartReceived = true; + is(e.type, 'touchstart', 'Got a touchstart'); + e.preventDefault(); // should be a no-op because it's a passive listener + return; + } + + // If APZ decides to wait for the content response on a particular input block, + // it needs to wait until both the touchstart and touchmove event are handled + // by the main thread. In this case there is no touchmove at all, so APZ would + // end up waiting indefinitely and time out the test. The fact that we get this + // contextmenu event (mouselongtap on Windows) at all means that APZ decided + // not to wait for the content response, which is the desired behaviour, since + // the touchstart listener was registered as a passive listener. + if (getPlatform() == "windows") { + is(e.type, 'mouselongtap', 'Got a mouselongtap'); + } else { + is(e.type, 'contextmenu', 'Got a contextmenu'); + } + e.preventDefault(); + + synthesizeNativeTouch(document.getElementById('b'), 5, 5, SpecialPowers.DOMWindowUtils.TOUCH_REMOVE, function() { + dump("Finished synthesizing touch-end to clear state; finishing test...\n"); + subtestDone(); + }); +} + +window.addEventListener('touchstart', recordEvent, { passive: true, capture: true }); +if (getPlatform() == "windows") { + SpecialPowers.addChromeEventListener('mouselongtap', recordEvent, true); +} else { + window.addEventListener('contextmenu', recordEvent, true); +} + +waitUntilApzStable() +.then(longPressLink); + + </script> +</head> +<body> + <a id="b" href="#">Link to nowhere</a> +</body> +</html> |