Mail for questions about the blink engine CSSParser

[우찬임]

Hello! I am a Korean student who wants to become a developer.

I am sending this e-mail because I have a question while studying the Blink's Rendering Pipeline.

I read "How blink works" deck and also I read Life of a Pixel.

I learned that StyleResolver creates ComputedStyle through StyleRules created by CSSParser, and ComputedStyle contains the final style.

And I wonder if ComputedStyle is linked to the DOMTree created through the parse process.

When you look at the picture, DOMTree and ComputedStyle seem to be linked, but I'm curious as there is no such word different from the layoutTree description picture.

Are DOMTree and ComputedStyle linked?

Thank s for reading, I'll waiting for an answer about this question.

ᐧ

[Steve Kobes]

Yes, each DOM node has a pointer to a ComputedStyle in its NodeRenderingData.

The DOM node is created during the HTML parsing phase, but the ComputedStyle is created and associated with the DOM node during the style resolution phase.

The NodeRenderingData also has a pointer to the LayoutObject.  But the layout objects form a separate tree with their own parent and child pointers.  ComputedStyle objects are not a tree of their own.  So that is why the style slide looks a little different from the layout slide. :)

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