[Bug 744580]

[Chris Coulson]

(In reply to comment #10)
> +  nscoord oneDevPixel = presContext->DevPixelsToAppUnits(1);
> +  nsPoint offsetPoint = aPoint - nsPoint(oneDevPixel * 20, oneDevPixel * 20);
> +  nsSize rectSize = nsSize(oneDevPixel * 40, oneDevPixel * 40);
>    PRBool didScroll = presContext->PresShell()->
> +    ScrollFrameRectIntoView(aFrame, nsRect(offsetPoint, rectSize),
> 
> Why not
>   nsRect r = nsIntRect(-20, -20, 40, 40).
>     ToAppUnits(presContext->AppUnitsPerDevPixel());
>   PRBool didScroll = presContext->PresShell()->
>     ScrollFrameRectIntoView(aFrame, r + aPoint);
> 
> Sure looks simpler to me!

Yes, you're right. Thanks!

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https://bugs.launchpad.net/bugs/744580

Title:
  Firefox doesn't auto scroll when selecting content downwards