зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1525570 - Add a test for preventDefault on pinch zooms. r=botond
Differential Revision: https://phabricator.services.mozilla.com/D21421 --HG-- extra : moz-landing-system : lando
This commit is contained in:
Kartikaya Gupta
Родитель
bbac39e1ba
Коммит
636fc77e72
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@ -0,0 +1,81 @@
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<!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">
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<title>Checking prevent-default for zooming</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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function* testPreventDefault(testDriver, aTouchStartToCancel) {
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var initial_resolution = getResolution();
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ok(initial_resolution > 0,
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"The initial_resolution is " + initial_resolution + ", which is some sane value");
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// preventDefault exactly one touchstart based on the value of aTouchStartToCancel
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var touchStartCount = 0;
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var canceller = function(e) {
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dump("touchstart listener hit, count: " + touchStartCount + "\n");
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touchStartCount++;
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if (touchStartCount == aTouchStartToCancel) {
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dump("calling preventDefault on touchstart\n");
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e.preventDefault();
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document.documentElement.removeEventListener("touchstart", canceller, {passive: false});
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}
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};
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document.documentElement.addEventListener("touchstart", canceller, {passive: false});
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var waitForTouchEnd = function(e) {
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dump("touchend listener hit\n");
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setTimeout(testDriver, 0);
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};
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document.documentElement.addEventListener("touchend", waitForTouchEnd, {passive: true, once: true});
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// Ensure that APZ gets updated hit-test info
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yield waitForAllPaints(testDriver);
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var zoom_in = [
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[ { x: 125, y: 250 }, { x: 175, y: 350 } ],
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[ { x: 120, y: 220 }, { x: 180, y: 380 } ],
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[ { x: 115, y: 190 }, { x: 185, y: 410 } ],
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[ { x: 110, y: 160 }, { x: 190, y: 440 } ],
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[ { x: 105, y: 130 }, { x: 195, y: 470 } ],
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[ { x: 100, y: 100 }, { x: 200, y: 500 } ],
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];
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var touchIds = [0, 1];
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yield* synthesizeNativeTouchSequences(document.body, zoom_in, null, touchIds);
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yield; // wait for the touchend listener to fire
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// Flush state and get the resolution we're at now
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yield waitForApzFlushedRepaints(testDriver);
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let final_resolution = getResolution();
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is(final_resolution, initial_resolution, "The final resolution (" + final_resolution + ") matches the initial resolution");
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}
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function* test(testDriver) {
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// Register a listener that fails the test if the APZ:TransformEnd event fires,
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// because this test shouldn't actually be triggering any transforms
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SpecialPowers.Services.obs.addObserver(function() {
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ok(false, "The test fired an unexpected APZ:TransformEnd");
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}, "APZ:TransformEnd");
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yield* testPreventDefault(testDriver, 1);
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yield* testPreventDefault(testDriver, 2);
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}
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waitUntilApzStable()
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.then(runContinuation(test))
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.then(subtestDone);
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</script>
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</head>
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<body>
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Here is some text to stare at as the test runs. It serves no functional
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purpose, but gives you an idea of the zoom level. It's harder to tell what
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the zoom level is when the page is just solid white.
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</body>
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</html>
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@ -32,6 +32,9 @@ var prefs = [
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// Pinch-zooming currently requires meta viewport support (this requirement
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// will eventually be removed).
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["dom.meta-viewport.enabled", true],
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// Increase the content response timeout because some tests do preventDefault
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// and we want to make sure APZ actually waits for them.
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["apz.content_response_timeout", 60000],
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];
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// Increase the tap timeouts so the double-tap is still detected in case of
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@ -45,6 +48,7 @@ var doubletap_prefs = [
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var subtests = [
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{"file": "helper_bug1280013.html", "prefs": prefs},
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{"file": "helper_basic_zoom.html", "prefs": prefs},
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{"file": "helper_zoom_prevented.html", "prefs": prefs},
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{"file": "helper_zoomed_pan.html", "prefs": prefs},
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{"file": "helper_fixed_position_scroll_hittest.html", "prefs": prefs},
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{"file": "helper_basic_doubletap_zoom.html", "prefs": doubletap_prefs},
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