[Webkit-unassigned] [Bug 164193] Implement requestIdleCallback

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=164193

--- Comment #11 from Michael Catanzaro <mcatanzaro at gnome.org> ---
So Ms2ger's patch from five years ago provides a starting point.

We will need four different implementations for four different platform event loops:

 * Windows
 * Cocoa (uses CFRunLoop) 
 * GLib (uses GMainContext/GMainLoop)
 * Generic

The generic RunLoop currently has no concept of priority, but we could add one.

For GLib it's easy, because the concept of idle dispatch maps directly to G_PRIORITY_DEFAULT_IDLE.

For Cocoa, CFRunLoop supports CFRunLoopMode. I guess we could use a special mode and dispatch it only when no events for other modes are pending? I'm not sure.

For Windows, I did not investigate because the implementation looks gnarly. It looks to be based on a "message window" concept that is quite different from GMainContext/GMainLoop or CFRunLoop.

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