dom/events/test/test_bug607464.html@6474c204b198 (annotated)
dom/events/test/test_bug607464.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | <!DOCTYPE HTML> |
| michael@0 | 2 | <html> |
| michael@0 | 3 | <!-- |
| michael@0 | 4 | https://bugzilla.mozilla.org/show_bug.cgi?id=607464 |
| michael@0 | 5 | --> |
| michael@0 | 6 | <head> |
| michael@0 | 7 | <title>Test for Bug 607464</title> |
| michael@0 | 8 | <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> |
| michael@0 | 9 | <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script> |
| michael@0 | 10 | <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> |
| michael@0 | 11 | </head> |
| michael@0 | 12 | <body> |
| michael@0 | 13 | <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=607464">Mozilla Bug 607464</a> |
| michael@0 | 14 | <p id="display"></p> |
| michael@0 | 15 | <div id="content" style="display: none"> |
| michael@0 | 16 | |
| michael@0 | 17 | </div> |
| michael@0 | 18 | <pre id="test"> |
| michael@0 | 19 | <script type="application/javascript;version=1.7"> |
| michael@0 | 20 | |
| michael@0 | 21 | /** |
| michael@0 | 22 | * Test for Bug 607464: |
| michael@0 | 23 | * Pixel scrolling shouldn't scroll smoothly, even if general.smoothScroll is on. |
| michael@0 | 24 | **/ |
| michael@0 | 25 | |
| michael@0 | 26 | function scrollDown15PxWithPixelScrolling(scrollbox) { |
| michael@0 | 27 | var win = scrollbox.ownerDocument.defaultView; |
| michael@0 | 28 | let event = { |
| michael@0 | 29 | deltaMode: WheelEvent.DOM_DELTA_PIXEL, |
| michael@0 | 30 | deltaY: 3.0, |
| michael@0 | 31 | lineOrPageDeltaY: 1 |
| michael@0 | 32 | }; |
| michael@0 | 33 | // A pixel scroll with lineOrPageDeltaY. |
| michael@0 | 34 | synthesizeWheel(scrollbox, 10, 10, event, win); |
| michael@0 | 35 | // then 4 pixel scrolls without lineOrPageDeltaY. |
| michael@0 | 36 | event.lineOrPageDeltaY = 0; |
| michael@0 | 37 | for (let i = 0; i < 4; ++i) { |
| michael@0 | 38 | synthesizeWheel(scrollbox, 10, 10, event, win); |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | // Note: the line scroll shouldn't have any effect because it has |
| michael@0 | 42 | // hasPixels = true set on it. We send it to emulate normal |
| michael@0 | 43 | // behavior. |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | function runTest() { |
| michael@0 | 47 | var win = open('data:text/html,<!DOCTYPE html>\n' + |
| michael@0 | 48 | '<div id="scrollbox" style="height: 100px; overflow: auto;">' + |
| michael@0 | 49 | ' <div style="height: 1000px;"></div>' + |
| michael@0 | 50 | '</div>', '_blank', 'width=300,height=300'); |
| michael@0 | 51 | SimpleTest.waitForFocus(function () { |
| michael@0 | 52 | var scrollbox = win.document.getElementById("scrollbox"); |
| michael@0 | 53 | let scrollTopBefore = scrollbox.scrollTop; |
| michael@0 | 54 | |
| michael@0 | 55 | scrollDown15PxWithPixelScrolling(scrollbox); |
| michael@0 | 56 | |
| michael@0 | 57 | // wait for the next refresh driver run |
| michael@0 | 58 | window.mozRequestAnimationFrame(function() { |
| michael@0 | 59 | // actually, wait for the next one before checking results, since |
| michael@0 | 60 | // scrolling might not be flushed until after this code has run |
| michael@0 | 61 | window.mozRequestAnimationFrame(function() { |
| michael@0 | 62 | is(scrollbox.scrollTop, scrollTopBefore + 15, |
| michael@0 | 63 | "Pixel scrolling should have finished after one refresh driver iteration. " + |
| michael@0 | 64 | "We shouldn't be scrolling smoothly, even though the pref is set."); |
| michael@0 | 65 | win.close(); |
| michael@0 | 66 | clearPrefs(); |
| michael@0 | 67 | SimpleTest.finish(); |
| michael@0 | 68 | }); |
| michael@0 | 69 | }); |
| michael@0 | 70 | }, win); |
| michael@0 | 71 | } |
| michael@0 | 72 | |
| michael@0 | 73 | function initPrefs() |
| michael@0 | 74 | { |
| michael@0 | 75 | // Disables the app level scroll acceleration |
| michael@0 | 76 | SpecialPowers.setIntPref("mousewheel.acceleration.start", -1); |
| michael@0 | 77 | SpecialPowers.setBoolPref("mousewheel.system_scroll_override_on_root_content.enabled", false); |
| michael@0 | 78 | |
| michael@0 | 79 | // Enables smooth scrolling |
| michael@0 | 80 | SpecialPowers.setBoolPref("general.smoothScroll", true); |
| michael@0 | 81 | } |
| michael@0 | 82 | |
| michael@0 | 83 | function clearPrefs() |
| michael@0 | 84 | { |
| michael@0 | 85 | SpecialPowers.clearUserPref("mousewheel.acceleration.start"); |
| michael@0 | 86 | SpecialPowers.clearUserPref("mousewheel.system_scroll_override_on_root_content.enabled"); |
| michael@0 | 87 | SpecialPowers.clearUserPref("general.smoothScroll"); |
| michael@0 | 88 | } |
| michael@0 | 89 | |
| michael@0 | 90 | window.onload = function () { |
| michael@0 | 91 | initPrefs(); |
| michael@0 | 92 | SimpleTest.executeSoon(runTest); |
| michael@0 | 93 | } |
| michael@0 | 94 | |
| michael@0 | 95 | SimpleTest.waitForExplicitFinish(); |
| michael@0 | 96 | |
| michael@0 | 97 | </script> |
| michael@0 | 98 | </pre> |
| michael@0 | 99 | |
| michael@0 | 100 | </body> |
| michael@0 | 101 | </html> |
