| OLD | NEW |
| 1 This scenario verifies that the cyan "container" element scrolls properly with s
quashing enabled. The "container" element should not squash into a composited la
yer mapping owned by the fixed position layer or its descendant, since this woul
d make it behave like a fixed position element during composited scrolling. | 1 This scenario verifies that the cyan "container" element scrolls properly with s
quashing enabled. The "container" element should not squash into a composited la
yer mapping owned by the fixed position layer or its descendant, since this woul
d make it behave like a fixed position element during composited scrolling. |
| 2 | 2 |
| 3 CASE 1, original layer tree: | 3 CASE 1, original layer tree: |
| 4 { | 4 { |
| 5 "name": "Content Root Layer", | 5 "layers": [ |
| 6 "bounds": [785, 4050], | |
| 7 "children": [ | |
| 8 { | 6 { |
| 9 "name": "LayoutView #document", | 7 "name": "LayoutView #document", |
| 10 "bounds": [785, 4050], | 8 "bounds": [785, 4050], |
| 11 "contentsOpaque": true, | 9 "contentsOpaque": true, |
| 10 "drawsContent": true |
| 11 }, |
| 12 { |
| 13 "name": "LayoutBlockFlow (positioned) DIV id='fixed'", |
| 14 "bounds": [400, 200], |
| 15 "contentsOpaque": true, |
| 12 "drawsContent": true, | 16 "drawsContent": true, |
| 13 "children": [ | 17 "backfaceVisibility": "hidden", |
| 14 { | 18 "backgroundColor": "#0000FF" |
| 15 "name": "LayoutBlockFlow (positioned) DIV id='fixed'", | 19 }, |
| 16 "bounds": [400, 200], | 20 { |
| 17 "contentsOpaque": true, | 21 "name": "LayoutBlockFlow DIV id='compositedInsideFixed'", |
| 18 "drawsContent": true, | 22 "bounds": [50, 50], |
| 19 "backfaceVisibility": "hidden", | 23 "contentsOpaque": true, |
| 20 "backgroundColor": "#0000FF", | 24 "drawsContent": true, |
| 21 "children": [ | 25 "backfaceVisibility": "hidden", |
| 22 { | 26 "backgroundColor": "#FF0000" |
| 23 "name": "LayoutBlockFlow DIV id='compositedInsideFixed'", | 27 }, |
| 24 "bounds": [50, 50], | 28 { |
| 25 "contentsOpaque": true, | 29 "name": "LayoutBlockFlow (positioned) DIV id='container'", |
| 26 "drawsContent": true, | 30 "position": [100, 50], |
| 27 "backfaceVisibility": "hidden", | 31 "bounds": [200, 4000], |
| 28 "backgroundColor": "#FF0000" | 32 "contentsOpaque": true, |
| 29 } | 33 "drawsContent": true, |
| 30 ] | 34 "backgroundColor": "#00FFFF" |
| 31 }, | |
| 32 { | |
| 33 "name": "LayoutBlockFlow (positioned) DIV id='container'", | |
| 34 "position": [100, 50], | |
| 35 "bounds": [200, 4000], | |
| 36 "contentsOpaque": true, | |
| 37 "drawsContent": true, | |
| 38 "backgroundColor": "#00FFFF" | |
| 39 } | |
| 40 ] | |
| 41 } | 35 } |
| 42 ] | 36 ] |
| 43 } | 37 } |
| 44 CASE 2, scrolling y to 80, the "container" element should remain positioned with
respect to the scrolled document, the fixed-pos layer compensates for the new s
croll position: | 38 CASE 2, scrolling y to 80, the "container" element should remain positioned with
respect to the scrolled document, the fixed-pos layer compensates for the new s
croll position: |
| 45 { | 39 { |
| 46 "name": "Content Root Layer", | 40 "layers": [ |
| 47 "bounds": [785, 4050], | |
| 48 "children": [ | |
| 49 { | 41 { |
| 50 "name": "LayoutView #document", | 42 "name": "LayoutView #document", |
| 51 "bounds": [785, 4050], | 43 "bounds": [785, 4050], |
| 52 "contentsOpaque": true, | 44 "contentsOpaque": true, |
| 45 "drawsContent": true |
| 46 }, |
| 47 { |
| 48 "name": "LayoutBlockFlow (positioned) DIV id='fixed'", |
| 49 "position": [0, 80], |
| 50 "bounds": [400, 200], |
| 51 "contentsOpaque": true, |
| 53 "drawsContent": true, | 52 "drawsContent": true, |
| 54 "children": [ | 53 "backfaceVisibility": "hidden", |
| 55 { | 54 "backgroundColor": "#0000FF" |
| 56 "name": "LayoutBlockFlow (positioned) DIV id='fixed'", | 55 }, |
| 57 "position": [0, 80], | 56 { |
| 58 "bounds": [400, 200], | 57 "name": "LayoutBlockFlow DIV id='compositedInsideFixed'", |
| 59 "contentsOpaque": true, | 58 "bounds": [50, 50], |
| 60 "drawsContent": true, | 59 "contentsOpaque": true, |
| 61 "backfaceVisibility": "hidden", | 60 "drawsContent": true, |
| 62 "backgroundColor": "#0000FF", | 61 "backfaceVisibility": "hidden", |
| 63 "children": [ | 62 "backgroundColor": "#FF0000" |
| 64 { | 63 }, |
| 65 "name": "LayoutBlockFlow DIV id='compositedInsideFixed'", | 64 { |
| 66 "bounds": [50, 50], | 65 "name": "LayoutBlockFlow (positioned) DIV id='container'", |
| 67 "contentsOpaque": true, | 66 "position": [100, 50], |
| 68 "drawsContent": true, | 67 "bounds": [200, 4000], |
| 69 "backfaceVisibility": "hidden", | 68 "contentsOpaque": true, |
| 70 "backgroundColor": "#FF0000" | 69 "drawsContent": true, |
| 71 } | 70 "backgroundColor": "#00FFFF" |
| 72 ] | |
| 73 }, | |
| 74 { | |
| 75 "name": "LayoutBlockFlow (positioned) DIV id='container'", | |
| 76 "position": [100, 50], | |
| 77 "bounds": [200, 4000], | |
| 78 "contentsOpaque": true, | |
| 79 "drawsContent": true, | |
| 80 "backgroundColor": "#00FFFF" | |
| 81 } | |
| 82 ] | |
| 83 } | 71 } |
| 84 ] | 72 ] |
| 85 } | 73 } |
| 86 | 74 |
| OLD | NEW |