Ticket #2529132 (closed defect)
Reporter  Satyen Desai |
Opened: 07/29/10 Last modified: 09/7/10 Status: closed Type: defect Resolution: fixed |
Owner Satyen Desai |
Target Release: 3.2.0 Priority: P3 (normal) |
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| Summary: | Optimize scrollview scrollbar implementation for performance | ||
| Description: | The scrollview scrollbar implementation has multiple transitions going on. Seems like we could change the implementation from 3 absolutely positioned pieces to static and remove the need for some of |
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| Type: | defect | Observed in Version: | 3.2.0 PR1 |
| Component: | ScrollView | Severity: | S3 (normal) |
| Assigned To: | Satyen Desai | Target Release: | 3.2.0 |
| Location: | Library Code | Priority: | P3 (normal) |
| Tags: | Relates To: | ||
| Browsers: | N/A | ||
| URL: | |||
| Test Information: | |||
Closing out.
Major refactoring below:
a) Cache more stuff (esp. attr get, dom interaction) during transition/animation frames to avoid function hops.
b) Move from setTimeout to setInterval (through Y.later) to avoid anon fn wrappers for each frame.
c) kweight: move duplicate code patterns for horiz/vert into shared methods.