Chromium Code Reviews Chromium Code Reviews
Issue 403593005:
Clear scrollbar damages in time (Closed)
Base URL: svn://svn.chromium.org/blink/trunk| OLD | NEW |
|---|---|
| (Empty) | |
| 1 <!DOCTYPE html> | |
| 2 <style> | |
| 3 /* To ensure full viewport repaint when viewport is resized. */ | |
| 4 body { | |
| 5 background-image: linear-gradient(red, blue); | |
| 6 background-attachment: fixed; | |
| 7 } | |
| 8 #container { | |
| 9 width: 200px; | |
| 10 height: 200px; | |
| 11 border: 1px solid black; | |
| 12 overflow: scroll; | |
| 13 } | |
| 14 #child { | |
| 15 width: 100px; | |
| 16 height: 100px; | |
| 17 } | |
| 18 </style> | |
| 19 <script src="resources/text-based-repaint.js" type="text/javascript"></script> | |
| 20 <script> | |
| 21 if (window.testRunner) { | |
| 22 testRunner.useUnfortunateSynchronousResizeMode(); | |
| 23 } | |
| 24 function repaintTest() { | |
| 25 // Invalidation of horizontal scrollbar should be tracked. | |
| 26 document.getElementById('child').style.width = '2000px'; | |
| 27 } | |
| 28 window.onload = function() { | |
| 29 // Trigger a full viewport repaint to test if scrollbar damages are cleared | |
| 30 // even if we shortcut children invalidations. | |
| 31 window.resizeTo(1000, 600); | |
| 32 // Invalidation of vertical scrollbar before the repaint test should not be tracked during repaintTest(). | |
| 33 document.getElementById('child').style.height = '2000px'; | |
| 34 runRepaintTest(); | |
| 35 }; | |
| 36 </script> | |
| 37 <div style="height: 30"> | |
| 38 Passes if the result repaint rects contain the horizontal scrollbar but not the vertical scrollbar. | |
| 39 </div> | |
|
Julien - ping for review
2014/08/01 19:05:01
Let's add a description of *what* we are testing.
Xianzhu
2014/08/01 22:07:23
Done.
| |
| 40 <div id="container"> | |
| 41 <div id="child"></div> | |
| 42 </div> | |
| OLD | NEW |
