[Webkit-unassigned] [Bug 227280] New: Add support to canvas rendering context lost

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=227280

            Bug ID: 227280
           Summary: Add support to canvas rendering context lost
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yiyix at chromium.org
                CC: dino at apple.com

explainer: https://github.com/fserb/canvas2D/blob/master/spec/context-loss.md

This is a long standing request from developers. It's particularly useful on Mobile, where context lost is more common. We have discuss the potential to support in canvas and received approval from webkit (https://github.com/whatwg/html/issues/4809#issuecomment-641546468) and firefox (https://github.com/whatwg/html/issues/4809#issuecomment-640961008)
(note that kenrussell's comment at https://github.com/whatwg/html/issues/4809#issuecomment-698018630 explains why we need both context lost and context restored events ).

I am filling this implementation bug for firefox to support it in the future.

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