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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/base/tests/test_scroll_snapping_scrollbars.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test for scroll snapping</title>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+
+<p id="display"></p>
+<div id="sc" style="margin: 0px; padding: 0px; overflow: scroll; width:250px; height: 250px;">
+ <div id="sd" style="margin: 0px; padding: 0px; width: 1250px; height: 1250px;"></div>
+</div>
+
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+var runtime = SpecialPowers.Cc["@mozilla.org/xre/app-info;1"]
+ .getService(SpecialPowers.Ci.nsIXULRuntime);
+var isMac = navigator.platform.indexOf("Mac") != -1;
+var isGtk = runtime.widgetToolkit.indexOf("gtk") != -1;
+var isWin = navigator.platform.indexOf("Win") != -1;
+var isSN = /mac os x 10\.6/.test(navigator.userAgent.toLowerCase());
+
+// Half of the scrollbar control width, in CSS pixels
+var scrollbarOffset = isWin ? 8 : 5;
+
+// OSX 10.6 scroll bar thumbs are off-center due to the bundling of buttons on one end
+// of the scroll bar frame.
+var scrollbarCenter = isSN ? 100 : 125;
+
+var testCases = [
+ {
+ "description" : "Drag scrollbar left, expect scroll snapping.",
+ "snapCoord" : "500px 500px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 500, "y" : 500 },
+ "mousePosition" : { "x" : scrollbarCenter, "y" : 250 - scrollbarOffset },
+ "mouseOffset" : { "x" : -10, "y" : 0 },
+ "duration" : "0",
+ "runMac" : true,
+ "runGtk" : true,
+ "runWin" : true
+ },
+ {
+ "description" : "Drag scrollbar right, expect scroll snapping.",
+ "snapCoord" : "500px 500px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 500, "y" : 500 },
+ "mousePosition" : { "x" : scrollbarCenter, "y" : 250 - scrollbarOffset },
+ "mouseOffset" : { "x" : 10, "y" : 0 },
+ "duration" : "0",
+ "runMac" : true,
+ "runGtk" : true,
+ "runWin" : true
+ },
+ {
+ "description" : "Drag scrollbar up, expect scroll snapping.",
+ "snapCoord" : "500px 500px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 500, "y" : 500 },
+ "mousePosition" : { "x" : 250 - scrollbarOffset, "y" : scrollbarCenter },
+ "mouseOffset" : { "x" : 0, "y" : -10 },
+ "duration" : "0",
+ "runMac" : true,
+ "runGtk" : true,
+ "runWin" : true
+ },
+ {
+ "description" : "Drag scrollbar down, expect scroll snapping.",
+ "snapCoord" : "500px 500px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 500, "y" : 500 },
+ "mousePosition" : { "x" : 250 - scrollbarOffset, "y" : scrollbarCenter },
+ "mouseOffset" : { "x" : 0, "y" : 10 },
+ "duration" : "0",
+ "runMac" : true,
+ "runGtk" : true,
+ "runWin" : true
+ },
+ {
+ "description" : "Page scrollbar left, expect scroll snapping.",
+ "snapCoord" : "500px 500px, 1000px 500px",
+ "startScroll" : { "x" : 1000, "y" : 500 },
+ "endScroll" : { "x" : 500, "y" : 500 },
+ "mousePosition" : { "x" : 50, "y" : 250 - scrollbarOffset },
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "0",
+ "runMac" : true,
+ "runGtk" : true,
+ "runWin" : true
+ },
+ {
+ "description" : "Page scrollbar right, expect scroll snapping.",
+ "snapCoord" : "500px 500px, 0px 500px",
+ "startScroll" : { "x" : 0, "y" : 500 },
+ "endScroll" : { "x" : 500, "y" : 500 },
+ "mousePosition" : { "x" : 200, "y" : 250 - scrollbarOffset },
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "0",
+ "runMac" : true,
+ "runGtk" : true,
+ "runWin" : true
+ },
+ {
+ "description" : "Page scrollbar up, expect scroll snapping.",
+ "snapCoord" : "500px 500px, 500px 1000px",
+ "startScroll" : { "x" : 500, "y" : 1000 },
+ "endScroll" : { "x" : 500, "y" : 500 },
+ "mousePosition" : { "x" : 250 - scrollbarOffset, "y" : 50 },
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "0",
+ "runMac" : true,
+ "runGtk" : true,
+ "runWin" : true
+ },
+ {
+ "description" : "Page scrollbar down, expect scroll snapping.",
+ "snapCoord" : "500px 500px, 500px 0px",
+ "startScroll" : { "x" : 500, "y" : 0 },
+ "endScroll" : { "x" : 500, "y" : 500 },
+ "mousePosition" : { "x" : 250 - scrollbarOffset, "y" : 200 },
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "0",
+ "runMac" : true,
+ "runGtk" : true,
+ "runWin" : true
+ },
+ {
+ "description" : "Click scrollbar left button, expect scroll snapping.",
+ "snapCoord" : "50px 500px, 250px 500px, 500px 500px, 750px 500px, 950px 500px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 250, "y" : 500 },
+ "mousePosition" : { "x" : scrollbarOffset, "y" : 250 - scrollbarOffset },
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "0",
+ "runMac" : false, // OSX does not have have line-scroll buttons
+ "runGtk" : false, // Some GTK themes may not have scroll buttons
+ "runWin" : true
+ },
+ {
+ "description" : "Hold scrollbar left button until repeating, expect scroll snapping.",
+ "snapCoord" : "50px 500px, 500px 500px, 950px 500px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 50, "y" : 500 },
+ "mousePosition" : { "x" : scrollbarOffset, "y" : 250 - scrollbarOffset },
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "500",
+ "runMac" : false, // OSX does not have have line-scroll buttons
+ "runGtk" : false, // Some GTK themes may not have scroll buttons
+ "runWin" : true
+ },
+ {
+ "description" : "Click scrollbar right button, expect scroll snapping.",
+ "snapCoord" : "50px 500px, 250px 500px, 500px 500px, 750px 500px, 950px 500px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 750, "y" : 500 },
+ "mousePosition" : { "x" : 250 - scrollbarOffset * 3, "y" : 250 - scrollbarOffset },
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "0",
+ "runMac" : false, // OSX does not have have line-scroll buttons
+ "runGtk" : false, // Some GTK themes may not have scroll buttons
+ "runWin" : true
+ },
+ {
+ "description" : "Hold scrollbar right button until repeating, expect scroll snapping.",
+ "snapCoord" : "50px 500px, 500px 500px, 950px 500px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 950, "y" : 500 },
+ "mousePosition" : { "x" : 250 - scrollbarOffset * 3, "y" : 250 - scrollbarOffset },
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "500",
+ "runMac" : false, // OSX does not have have line-scroll buttons
+ "runGtk" : false, // Some GTK themes may not have scroll buttons
+ "runWin" : true
+ },
+ {
+ "description" : "Click scrollbar up button, expect scroll snapping.",
+ "snapCoord" : "500px 50px, 500px 250px, 500px 500px, 500px 750px, 500px 950px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 500, "y" : 250 },
+ "mousePosition" : { "x" : 250 - scrollbarOffset, "y" : scrollbarOffset },
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "0",
+ "runMac" : false, // OSX does not have have line-scroll buttons
+ "runGtk" : false, // Some GTK themes may not have scroll buttons
+ "runWin" : true
+ },
+ {
+ "description" : "Hold scrollbar up button until repeating, expect scroll snapping.",
+ "snapCoord" : "500px 50px, 500px 500px, 500px 950px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 500, "y" : 50 },
+ "mousePosition" : { "x" : 250 - scrollbarOffset, "y" : scrollbarOffset },
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "500",
+ "runMac" : false, // OSX does not have have line-scroll buttons
+ "runGtk" : false, // Some GTK themes may not have scroll buttons
+ "runWin" : true
+ },
+ {
+ "description" : "Click scrollbar down button, expect scroll snapping.",
+ "snapCoord" : "500px 50px, 500px 250px, 500px 500px, 500px 750px, 500px 950px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 500, "y" : 750 },
+ "mousePosition" : { "x" : 250 - scrollbarOffset, "y" : 250 - scrollbarOffset * 3},
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "0",
+ "runMac" : false, // OSX does not have have line-scroll buttons
+ "runGtk" : false, // Some GTK themes may not have scroll buttons
+ "runWin" : true
+ },
+ {
+ "description" : "Hold scrollbar down button until repeating, expect scroll snapping.",
+ "snapCoord" : "500px 50px, 500px 500px, 500px 950px",
+ "startScroll" : { "x" : 500, "y" : 500 },
+ "endScroll" : { "x" : 500, "y" : 950 },
+ "mousePosition" : { "x" : 250 - scrollbarOffset, "y" : 250 - scrollbarOffset * 3},
+ "mouseOffset" : { "x" : 0, "y" : 0 },
+ "duration" : "500",
+ "runMac" : false, // OSX does not have have line-scroll buttons
+ "runGtk" : false, // Some GTK themes may not have scroll buttons
+ "runWin" : true
+ },
+
+];
+
+var step = 0;
+var sc; // Scroll Container
+var sd; // Scrolled Div
+
+var lastScrollTop;
+var lastScrollLeft;
+var stopFrameCount;
+var winUtils = SpecialPowers.DOMWindowUtils;
+
+function doTest() {
+ var testCase = testCases[step];
+
+ stopFrameCount = 0;
+ lastScrollTop = sc.scrollTop;
+ lastScrollLeft = sc.scrollLeft;
+
+ sc.scrollTo(testCase.startScroll.x, testCase.startScroll.y);
+ sc.style.scrollSnapType = "mandatory";
+ sd.style.scrollSnapCoordinate = testCase.snapCoord;
+
+ synthesizeMouse(sc,
+ testCase.mousePosition.x,
+ testCase.mousePosition.y,
+ { type: "mousedown" });
+
+ synthesizeMouse(sc,
+ testCase.mousePosition.x + testCase.mouseOffset.x,
+ testCase.mousePosition.y + testCase.mouseOffset.y,
+ { type: "mousemove" });
+
+ stopFrameCount = 0;
+ waitForScrollStart();
+}
+
+function waitForScrollStart() {
+ // Wait for up to 30 frames for scrolling to start
+ var testCase = testCases[step];
+ if (testCase.startScroll.y != sc.scrollTop
+ || testCase.startScroll.x != sc.scrollLeft
+ || ++stopFrameCount < 30) {
+ window.requestAnimationFrame(doMouseUp);
+ } else {
+ window.requestAnimationFrame(waitForScrollStart);
+ }
+}
+
+function doMouseUp() {
+ var testCase = testCases[step];
+ isnot("(" + sc.scrollLeft + "," + sc.scrollTop + ")",
+ "(" + testCase.startScroll.x +"," + testCase.startScroll.y + ")",
+ "Step " + step + ": Synthesized mouse events move scroll position. ("
+ + testCase.description + ")");
+
+ window.setTimeout(function() {
+ synthesizeMouse(sc,
+ testCase.mousePosition.x + testCase.mouseOffset.x,
+ testCase.mousePosition.y + testCase.mouseOffset.y,
+ { type: "mouseup" });
+
+ stopFrameCount = 0;
+ window.requestAnimationFrame(waitForScrollStop);
+ }, testCase.duration);
+}
+
+function waitForScrollStop() {
+ if (stopFrameCount > 30) {
+ // We have the same position for 30 consecutive frames -- we are stopped
+ verifyTest();
+ } else {
+ // Still moving
+ if (lastScrollTop == sc.scrollTop && lastScrollLeft == sc.scrollLeft) {
+ stopFrameCount++;
+ } else {
+ stopFrameCount = 0;
+ lastScrollTop = sc.scrollTop;
+ lastScrollLeft = sc.scrollLeft;
+ }
+ window.requestAnimationFrame(waitForScrollStop);
+ }
+}
+
+function verifyTest() {
+ // Test ended, check if scroll position matches expected position
+ var testCase = testCases[step];
+ is("(" + sc.scrollLeft + "," + sc.scrollTop + ")",
+ "(" + testCase.endScroll.x +"," + testCase.endScroll.y + ")",
+ "Step " + step + ": " + testCase.description);
+
+ // Find next test to run
+ while (true) {
+ if (++step == testCases.length) {
+ SimpleTest.finish();
+ break;
+ } else {
+ testCase = testCases[step];
+ if ((testCase.runGtk && isGtk)
+ || (testCase.runMac && isMac)
+ || (testCase.runWin && isWin)) {
+ doTest();
+ break;
+ }
+ }
+ }
+}
+
+SimpleTest.waitForExplicitFinish();
+SimpleTest.requestFlakyTimeout("Delays added to allow synthesized mouse " +
+ "events to trigger scrollbar repeating scrolls.");
+addLoadEvent(function() {
+ sc = document.getElementById("sc");
+ sd = document.getElementById("sd");
+ SpecialPowers.pushPrefEnv({
+ "set": [["layout.css.scroll-snap.enabled", true],
+ ["layout.css.scroll-snap.proximity-threshold", 100]]},
+ doTest);
+});
+</script>
+</pre>
+</body>
+
+</html>
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