[Webkit-unassigned] [Bug 53299] New: Web Inspector: Use DIVs instead of TABLE in TextViewer

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=53299

           Summary: Web Inspector: Use DIVs instead of TABLE in TextViewer
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aandrey at google.com
                CC: timothy at apple.com, rik at webkit.org, keishi at webkit.org,
                    pmuellr at yahoo.com, joepeck at webkit.org,
                    pfeldman at chromium.org, yurys at chromium.org,
                    bweinstein at apple.com, apavlov at chromium.org,
                    loislo at chromium.org


Migrate TextViewer from TABLE to DIV.
  TextViewer is now build on top of a TABLE, so that one row contains the gutter's line number and the text content.
  Pros: gutter and content rows' heights are always in sync.
  Cons: gutter disappears when you scroll from left to the right, empty TABLE rows are not selected in the UI and native copy of a text selection to the clipboard will contain gutter's line numbers (we intercept copy and beforecopy events to prevent that).
  We should migrate from TABLE to DIV and decouple gutter and main panels. Things to take into account:
  - Implement on top of TextViewer, hide new editor functionality under a flag.
  - Live Editing should still work.
  - Sync gutter and content rows' heights.
  - Should be no significant performance regression.

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