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Diffstat (limited to 'gfx/layers/apz/test/mochitest/helper_fission_animation_styling_in_oopif.html')
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diff --git a/gfx/layers/apz/test/mochitest/helper_fission_animation_styling_in_oopif.html b/gfx/layers/apz/test/mochitest/helper_fission_animation_styling_in_oopif.html new file mode 100644 index 0000000000..12221d0703 --- /dev/null +++ b/gfx/layers/apz/test/mochitest/helper_fission_animation_styling_in_oopif.html @@ -0,0 +1,166 @@ +<!DOCTYPE HTML> +<html> +<head> + <meta charset="utf-8"> + <title>Test for scrolled out of view animation optimization in an OOPIF</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script src="/tests/SimpleTest/paint_listener.js"></script> + <script src="helper_fission_utils.js"></script> + <script src="apz_test_utils.js"></script> + <script> + +fission_subtest_init(); + +FissionTestHelper.startTestPromise + .then(waitUntilApzStable) + .then(loadOOPIFrame("testframe", "helper_fission_empty.html")) + .then(waitUntilApzStable) + .then(test) + .then(FissionTestHelper.subtestDone, FissionTestHelper.subtestFailed); + +async function setup_in_oopif() { + const setup = function() { + // Load utility functions for animation stuff. + const script = document.createElement("script"); + script.setAttribute("src", "/tests/dom/animation/test/testcommon.js"); + document.head.appendChild(script); + + const extraStyle = document.createElement("style"); + document.head.appendChild(extraStyle); + // an animation doesn't cause any geometric changes and doesn't run on the + // compositor either + extraStyle.sheet.insertRule("@keyframes anim { from { color: red; } to { color: blue; } }", 0); + + const div = document.createElement("div"); + // Position an element for animation at top: 20px. + div.style = "position: absolute; top: 40px; animation: anim 1s infinite; box-shadow: 0px -20px red;"; + div.setAttribute("id", "target"); + div.innerHTML = "hello"; + document.body.appendChild(div); + script.onload = () => { + // Force to flush the first style to avoid the first style is observed. + target.getAnimations()[0]; + // FIXME: Bug 1578309 use anim.ready instead. + promiseFrame().then(() => { + FissionTestHelper.fireEventInEmbedder("OOPIF:SetupDone", true); + }); + } + return true; + } + + const iframePromise = promiseOneEvent(window, "OOPIF:SetupDone", null); + + await FissionTestHelper.sendToOopif(testframe, `(${setup})()`); + await iframePromise; +} + +async function observe_styling_in_oopif(aFrameCount) { + const observe_styling = function(frameCount) { + // Start in a rAF callback. + waitForAnimationFrames(1).then(() => { + observeStyling(frameCount).then(markers => { + FissionTestHelper.fireEventInEmbedder("OOPIF:StyleCount", markers.length); + }); + }); + + return true; + } + + const iframePromise = promiseOneEvent(window, "OOPIF:StyleCount", null); + await FissionTestHelper.sendToOopif(testframe, `(${observe_styling})(${aFrameCount})`); + + const styleCountData = await iframePromise; + return styleCountData.data; +} + +// The actual test + +async function test() { + // Generate an infinite animation which is initially clipped out by + // overflow: hidden style in the out-of-process iframe. + await setup_in_oopif(); + + let styleCount = await observe_styling_in_oopif(5); + is(styleCount, 0, + "Animation in an out-of-process iframe which is initially clipped out " + + "due to 'overflow: hidden' should be throttled"); + + // Scroll synchronously to a position where the iframe gets visible. + scroller.scrollTo(0, 1000); + await new Promise(resolve => { + scroller.addEventListener("scroll", resolve, { once: true }); + }); + + // Wait for a frame to make sure the notification of the last scroll position + // from APZC reaches the iframe process + await observe_styling_in_oopif(1); + + styleCount = await observe_styling_in_oopif(5); + is(styleCount, 5, + "Animation in an out-of-process iframe which is no longer clipped out " + + "should NOT be throttled"); + + // Scroll synchronously to a position where the iframe is invisible again. + scroller.scrollTo(0, 0); + await new Promise(resolve => { + scroller.addEventListener("scroll", resolve, { once: true }); + }); + + // Wait for a frame to make sure the notification of the last scroll position + // from APZC reaches the iframe process + await observe_styling_in_oopif(1); + + styleCount = await observe_styling_in_oopif(5); + is(styleCount, 0, + "Animation in an out-of-process iframe which is clipped out again " + + "should be throttled again"); + + // ===== Asyncronous scrolling tests ===== + scroller.style.overflow = "scroll"; + // Scroll asynchronously to a position where the animating element gets + // visible. + scroller.scrollTo({ left: 0, top: 750, behavior: "smooth"}); + + // Wait for the asyncronous scroll finish. `60` frames is the same number in + // helper_fission_scroll_oopif.html + await observe_styling_in_oopif(60); + + styleCount = await observe_styling_in_oopif(5); + is(styleCount, 5, + "Animation in an out-of-process iframe which is now visible by " + + "asynchronous scrolling should NOT be throttled"); + + // Scroll asynchronously to a position where the iframe is still visible but + // the animating element gets invisible. + scroller.scrollTo({ left: 0, top: 720, behavior: "smooth"}); + + // Wait for the asyncronous scroll finish. + await observe_styling_in_oopif(60); + + styleCount = await observe_styling_in_oopif(5); + is(styleCount, 0, + "Animation in an out-of-process iframe which is scrolled out of view by " + + "asynchronous scrolling should be throttled"); + + // Scroll asynchronously to a position where the animating element gets + // visible again. + scroller.scrollTo({ left: 0, top: 750, behavior: "smooth"}); + + // Wait for the asyncronous scroll finish. + await observe_styling_in_oopif(60); + + styleCount = await observe_styling_in_oopif(5); + is(styleCount, 5, + "Animation in an out-of-process iframe appeared by the asynchronous " + + "scrolling should be NOT throttled"); +} + + </script> +</head> +<div style="width: 300px; height: 300px; overflow: hidden;" id="scroller"> + <div style="width: 100%; height: 1000px;"></div> + <!-- I am not sure it's worth setting scrolling="no" and pointer-events: none. --> + <!-- I just want to make sure that HitTestingTreeNode is generated even with these properties. --> + <iframe scrolling="no" style="pointer-events: none;" id="testframe"></iframe> +</div> +</html> |