зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1425603 - APZ mochitest for obeying overscroll-behavior when scrolling over a checkerboarded area. r=kats
MozReview-Commit-ID: JMWBVf2bKKP --HG-- rename : gfx/layers/apz/test/mochitest/helper_scroll_overscroll_behavior.html => gfx/layers/apz/test/mochitest/helper_overscroll_behavior_bug1425573.html extra : rebase_source : be9f67885ef2fd13b6e3bc377903da7878d53ed1
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Scrolling over checkerboarded area respects overscroll-behavior</title>
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<script type="application/javascript" src="apz_test_utils.js"></script>
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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="/tests/SimpleTest/paint_listener.js"></script>
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<meta name="viewport" content="width=device-width"/>
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<style>
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#subframe {
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width: 100px;
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height: 100px;
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overflow: scroll;
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margin-top: 10px;
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margin-left: 10px;
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overscroll-behavior: contain;
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}
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#contents {
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width: 100%;
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height: 1000px;
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background-image: linear-gradient(red, blue);
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}
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</style>
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</head>
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<body>
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<div id="subframe">
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<div id="contents"></div>
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</div>
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<div id="make_root_scrollable" style="height: 5000px"></div>
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</body>
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<script type="application/javascript">
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function* test(testDriver) {
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var config = getHitTestConfig();
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var utils = config.utils;
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var subframe = document.getElementById('subframe');
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// Activate the scrollframe but keep the main-thread scroll position at 0.
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// Also apply an async scroll offset in the y-direction large enough
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// to make the scrollframe checkerboard.
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// Note: We have to be careful with the numbers here.
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// moveMouseAndScrollWheelOver() relies on the main thread receiving
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// the synthesized mouse-move and wheel events. However, the async
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// transform created by setAsyncScrollOffset() will cause an untransform
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// to be applied to the synthesized events' coordinates before they're
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// passed to the main thread. We have to make sure the transform is
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// large enough to cause the scroll frame to checkerboard, but not so
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// large that the untransformed coordinates hit-test out of bounds for
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// the browser's content area. This is why we make the scroll frame
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// small (100x100), and give it a display port that's also just 100x100,
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// so we can keep the async scroll offset small enough (300 in this case)
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// that the untransformed coordinates are still in-bounds for the window.
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utils.setDisplayPortForElement(0, 0, 100, 100, subframe, 1);
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yield waitForAllPaints(testDriver);
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var scrollY = 300;
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utils.setAsyncScrollOffset(subframe, 0, scrollY);
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if (config.isWebRender) {
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// Tick the refresh driver once to make sure the compositor has applied the
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// async scroll offset (for APZ hit-testing this doesn't matter, but for
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// WebRender hit-testing we need to make sure WR has the latest info).
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utils.advanceTimeAndRefresh(16);
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utils.restoreNormalRefresh();
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}
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// Scroll over the subframe, and make sure that the page does not scroll,
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// i.e. overscroll-behavior is respected.
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var waitForScroll = false; // don't wait for a scroll event, it will never come
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yield moveMouseAndScrollWheelOver(subframe, 50, 50, testDriver, waitForScroll);
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ok(window.scrollY == 0, "overscroll-behavior was respected");
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subtestDone();
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}
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waitUntilApzStable().then(runContinuation(test));
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</script>
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</html>
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@ -28,11 +28,12 @@
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helper_long_tap.html
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helper_override_root.html
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helper_override_subdoc.html
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helper_overscroll_behavior_bug1425573.html
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helper_overscroll_behavior_bug1425603.html
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helper_scroll_inactive_perspective.html
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helper_scroll_inactive_zindex.html
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helper_scroll_on_position_fixed.html
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helper_scroll_over_scrollbar.html
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helper_scroll_overscroll_behavior.html
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helper_scroll_tables_perspective.html
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helper_scrollto_tap.html
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helper_subframe_style.css
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@ -26,7 +26,7 @@ var prefs = [
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var scrollbar_prefs = prefs.slice(); // make a copy
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scrollbar_prefs.push(["layout.scrollbars.always-layerize-track", true]);
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// For helper_scroll_overscroll_behavior, we need to set the APZ content
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// For helper_overscroll_behavior_bug1425573, we need to set the APZ content
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// response timeout to 0, so we exercise the fallback codepath.
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var timeout_prefs = prefs.slice(); // make a copy
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timeout_prefs.push(["apz.content_response_timeout", 0]);
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@ -34,11 +34,12 @@ timeout_prefs.push(["apz.content_response_timeout", 0]);
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var subtests = [
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{'file': 'helper_scroll_on_position_fixed.html', 'prefs': prefs},
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{'file': 'helper_bug1271432.html', 'prefs': prefs},
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{'file': 'helper_overscroll_behavior_bug1425573.html', 'prefs': timeout_prefs},
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{'file': 'helper_overscroll_behavior_bug1425603.html', 'prefs': prefs},
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{'file': 'helper_scroll_inactive_perspective.html', 'prefs': prefs},
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{'file': 'helper_scroll_inactive_zindex.html', 'prefs': prefs},
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{'file': 'helper_scroll_over_scrollbar.html', 'prefs': scrollbar_prefs},
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{'file': 'helper_scroll_tables_perspective.html', 'prefs': prefs},
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{'file': 'helper_scroll_overscroll_behavior.html', 'prefs': timeout_prefs},
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];
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if (isApzEnabled()) {
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