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Issue 1057603002: Expose scroll customization for touch to JS (behind REF). (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Address haraken's comments. Created 5 years, 5 months ago
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« no previous file with comments | « LayoutTests/fast/scroll-behavior/scroll-customization/scrollstate-basic.html ('k') | LayoutTests/fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas-throw.html » ('j') | Source/bindings/core/v8/ScrollStateCallbackToScriptValue.h » ('J')
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 <html> 2 <html>
3 <head> 3 <head>
4 <title>ScrollState consumeDelta</title> 4 <title>ScrollState consumeDelta</title>
5 <script src="../../../resources/testharness.js"></script> 5 <script src="../../../resources/testharness.js"></script>
6 <script src="../../../resources/testharnessreport.js"></script> 6 <script src="../../../resources/testharnessreport.js"></script>
7 </head> 7 </head>
8 <body> 8 <body>
9 <script> 9 <script>
10 10
11 if (!window.internals || !window.internals.runtimeFlags.scrollCustomizationEnabl ed) {
12 console.log("These tests only work with window.internals exposed, " +
13 "and require scroll customization.");
14 done();
15 }
16
17 function deltaShouldBe(scrollState, x, y, testName) { 11 function deltaShouldBe(scrollState, x, y, testName) {
18 test(function() { 12 test(function() {
19 assert_equals(scrollState.deltaX, x); 13 assert_equals(scrollState.deltaX, x);
20 assert_equals(scrollState.deltaY, y); 14 assert_equals(scrollState.deltaY, y);
21 }, testName); 15 }, testName);
22 } 16 }
23 17
24 var scrollState = new ScrollState(10, -20); 18 test(function() {
25 deltaShouldBe(scrollState, 10, -20, "Unconsumed deltas"); 19 assert_true('ScrollState' in window, "'ScrollState' in window");
26 scrollState.consumeDelta(2, -3); 20 }, "These tests only work with scroll customization enabled.");
27 deltaShouldBe(scrollState, 8, -17, "Partially consumed deltas"); 21
28 scrollState.consumeDelta(8, -17); 22 if ('ScrollState' in window) {
29 deltaShouldBe(scrollState, 0, 0, "Fully consumed deltas"); 23 var scrollState = new ScrollState(10, -20);
24 deltaShouldBe(scrollState, 10, -20, "Unconsumed deltas");
25 scrollState.consumeDelta(2, -3);
26 deltaShouldBe(scrollState, 8, -17, "Partially consumed deltas");
27 scrollState.consumeDelta(8, -17);
28 deltaShouldBe(scrollState, 0, 0, "Fully consumed deltas");
29 }
30 </script> 30 </script>
31 </body> 31 </body>
32 </html> 32 </html>
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« no previous file with comments | « LayoutTests/fast/scroll-behavior/scroll-customization/scrollstate-basic.html ('k') | LayoutTests/fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas-throw.html » ('j') | Source/bindings/core/v8/ScrollStateCallbackToScriptValue.h » ('J')

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