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1 <!DOCTYPE HTML> | 1 <!DOCTYPE HTML> |
| 2 <script src="resources/composited-scroll.js"></script> |
2 <script> | 3 <script> |
3 if (window.internals) | 4 if (window.internals) |
4 window.internals.settings.setPreferCompositingToLCDTextEnabled(false); | 5 window.internals.settings.setPreferCompositingToLCDTextEnabled(false); |
5 | 6 |
6 if (window.testRunner) { | 7 if (window.testRunner) { |
7 window.testRunner.dumpAsText(); | 8 window.testRunner.dumpAsText(); |
8 window.testRunner.waitUntilDone(); | 9 window.testRunner.waitUntilDone(); |
9 } | 10 } |
10 | 11 |
11 function isUsingCompositedScrolling(layer) { | |
12 if (layer.bounds[1] == 1000) | |
13 return true; | |
14 if (layer.children) { | |
15 for (var i = 0; i < layer.children.length; i++) { | |
16 if (isUsingCompositedScrolling(layer.children[i])) | |
17 return true; | |
18 } | |
19 } | |
20 return false; | |
21 } | |
22 | |
23 var result = ""; | 12 var result = ""; |
24 onload = function() { | 13 onload = function() { |
25 | 14 |
26 if (window.internals) { | 15 if (window.internals) { |
27 result += "Should not be using composited scrolling: "; | 16 result += "Should not be using composited scrolling: "; |
28 if (!isUsingCompositedScrolling(JSON.parse(window.internals.layerTreeAsT
ext(document)))) | 17 if (!isUsingCompositedScrolling(JSON.parse(window.internals.layerTreeAsT
ext(document, window.internals.OUTPUT_CHILDREN_AS_LAYER_LIST)))) |
29 result += "Pass.\n"; | 18 result += "Pass.\n"; |
30 else | 19 else |
31 result += "Fail.\n" | 20 result += "Fail.\n" |
32 } | 21 } |
33 | 22 |
34 document.getElementById("scroller").style.webkitTransform = "translateZ(0)"; | 23 document.getElementById("scroller").style.webkitTransform = "translateZ(0)"; |
35 requestAnimationFrame(function() { | 24 requestAnimationFrame(function() { |
36 if (window.internals) { | 25 if (window.internals) { |
37 result += "Should be using composited scrolling (since we're composi
ting anyhow): "; | 26 result += "Should be using composited scrolling (since we're composi
ting anyhow): "; |
38 if (isUsingCompositedScrolling(JSON.parse(window.internals.layerTree
AsText(document)))) | 27 if (isUsingCompositedScrolling(JSON.parse(window.internals.layerTree
AsText(document, window.internals.OUTPUT_CHILDREN_AS_LAYER_LIST)))) |
39 result += "Pass.\n"; | 28 result += "Pass.\n"; |
40 else | 29 else |
41 result += "Fail.\n" | 30 result += "Fail.\n" |
42 } | 31 } |
43 | 32 |
44 document.getElementById("scroller").style.webkitTransform = ""; | 33 document.getElementById("scroller").style.webkitTransform = ""; |
45 requestAnimationFrame(function() { | 34 requestAnimationFrame(function() { |
46 if (window.internals) { | 35 if (window.internals) { |
47 result += "Should not be using composited scrolling (since we've
lost our direct reason): "; | 36 result += "Should not be using composited scrolling (since we've
lost our direct reason): "; |
48 if (!isUsingCompositedScrolling(JSON.parse(window.internals.laye
rTreeAsText(document)))) | 37 if (!isUsingCompositedScrolling(JSON.parse(window.internals.laye
rTreeAsText(document, window.internals.OUTPUT_CHILDREN_AS_LAYER_LIST)))) |
49 result += "Pass.\n"; | 38 result += "Pass.\n"; |
50 else | 39 else |
51 result += "Fail.\n" | 40 result += "Fail.\n" |
52 } | 41 } |
53 | 42 |
54 if (window.testRunner) { | 43 if (window.testRunner) { |
55 window.testRunner.setCustomTextOutput(result); | 44 window.testRunner.setCustomTextOutput(result); |
56 window.testRunner.notifyDone(); | 45 window.testRunner.notifyDone(); |
57 } | 46 } |
58 }); | 47 }); |
59 }); | 48 }); |
60 } | 49 } |
61 </script> | 50 </script> |
62 <div id="scroller" style="overflow:scroll; width:100px; height:100px"> | 51 <div id="scroller" style="overflow:scroll; width:100px; height:100px"> |
63 <div id="tall" style="background: green; width:50px; height: 1000px"></div> | 52 <div id="tall" style="background: green; width:50px; height: 1000px"></div> |
64 </div> | 53 </div> |
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