| OLD | NEW |
|---|
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <html> | 2 <html> |
| 3 <head> | 3 <head> |
| 4 <style> | 4 <style> |
| 5 ::-webkit-scrollbar { | 5 ::-webkit-scrollbar { |
| 6 width: 0px; | 6 width: 0px; |
| 7 height: 0px; | 7 height: 0px; |
| 8 } | 8 } |
| 9 #bluebox { | 9 #bluebox { |
| 10 width: 100px; | 10 width: 100px; |
| 11 height: 100px; | 11 height: 100px; |
| 12 background: blue; | 12 background: blue; |
| 13 padding: 0px; | 13 padding: 0px; |
| 14 margin: 0px; | 14 margin: 0px; |
| 15 } | 15 } |
| 16 #redbox { | 16 #redbox { |
| 17 width: 100px; | 17 width: 100px; |
| 18 height: 100px; | 18 height: 100px; |
| 19 background: red; | 19 background: red; |
| 20 padding: 0px; | 20 padding: 0px; |
| 21 margin: 0px; | 21 margin: 0px; |
| 22 } | 22 } |
| 23 </style> | 23 </style> |
| 24 <script> | 24 <script> |
| 25 | 25 |
| 26 var floatPrecision = 0.1; |
| 26 var scrollDistance = 10; | 27 var scrollDistance = 10; |
| 27 var expectedScrollDistance; | 28 var expectedScrollDistance; |
| 28 var scrollBox; | 29 var scrollBox; |
| 29 | 30 |
| 30 function scroll(scaleFactor) { | 31 function scroll(scaleFactor) { |
| 31 expectedScrollDistance = Math.floor(scrollDistance/scaleFactor); | 32 expectedScrollDistance = scrollDistance/scaleFactor; |
| 32 | 33 |
| 33 scrollBox.scrollTop = 0; | 34 scrollBox.scrollTop = 0; |
| 34 | 35 |
| 35 eventSender.gestureScrollBegin(10, 100); | 36 eventSender.gestureScrollBegin(10, 100); |
| 36 for(var i = 0; i < scrollDistance; ++i) { | 37 for(var i = 0; i < scrollDistance; ++i) { |
| 37 eventSender.gestureScrollUpdate(0, -1); | 38 eventSender.gestureScrollUpdate(0, -1); |
| 38 } | 39 } |
| 39 eventSender.gestureScrollEnd(0, 0); | 40 eventSender.gestureScrollEnd(0, 0); |
| 40 | 41 |
| 41 shouldBe('scrollBox.scrollTop', 'expectedScrollDistance'); | 42 shouldBeCloseTo('scrollBox.scrollTop', expectedScrollDistance, floatPr
ecision); |
| 42 | 43 |
| 43 scrollBox.scrollTop = 20; | 44 scrollBox.scrollTop = 20; |
| 44 | 45 |
| 45 eventSender.gestureScrollBegin(10, 300); | 46 eventSender.gestureScrollBegin(10, 300); |
| 46 for(var i = 0; i < scrollDistance; ++i) { | 47 for(var i = 0; i < scrollDistance; ++i) { |
| 47 eventSender.gestureScrollUpdate(0, 1); | 48 eventSender.gestureScrollUpdate(0, 1); |
| 48 } | 49 } |
| 49 eventSender.gestureScrollEnd(0, 0); | 50 eventSender.gestureScrollEnd(0, 0); |
| 50 | 51 |
| 51 expectedScrollDistance = Math.floor(20 - scrollDistance/scaleFactor); | 52 expectedScrollDistance = 20 - scrollDistance/scaleFactor; |
| 52 | 53 |
| 53 shouldBe('scrollBox.scrollTop', 'expectedScrollDistance'); | 54 shouldBeCloseTo('scrollBox.scrollTop', expectedScrollDistance, floatPr
ecision); |
| 54 } | 55 } |
| 55 | 56 |
| 56 function scaleWithEventSender(scaleFactor) { | 57 function scaleWithEventSender(scaleFactor) { |
| 57 var scaleOffset = 0; | 58 var scaleOffset = 0; |
| 58 if (window.eventSender) { | 59 if (window.eventSender) { |
| 59 window.eventSender.setPageScaleFactor(scaleFactor, scaleOffset, sca
leOffset); | 60 window.eventSender.setPageScaleFactor(scaleFactor, scaleOffset, sca
leOffset); |
| 60 } | 61 } |
| 61 } | 62 } |
| 62 | 63 |
| 63 function test() { | 64 function test() { |
| (...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 103 <div id="redbox"></div> | 104 <div id="redbox"></div> |
| 104 <div id="bluebox"></div> | 105 <div id="bluebox"></div> |
| 105 <div id="redbox"></div> | 106 <div id="redbox"></div> |
| 106 <div id="bluebox"></div> | 107 <div id="bluebox"></div> |
| 107 <div id="redbox"></div> | 108 <div id="redbox"></div> |
| 108 </div> | 109 </div> |
| 109 | 110 |
| 110 <div id="console"></div> | 111 <div id="console"></div> |
| 111 </body> | 112 </body> |
| 112 </html> | 113 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 610423004:
Preserve fractional scroll offset for JS scrolling API (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master