Is there any mechanism for observing that the whole container has "finished" painting?
Nobody has claimed this yet.
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Description
I understand that with Container Timing there are various issue that may make it impossible to know that a Container has fully finished painting:
- Some content may be below-the-fold, and user may scroll
- Some content may be offscreen, transparent, or obscured in ways that skip paint, but may move.
Etc.
But what about simple cases like: a container timing attribute applied to a single element leaf node (aka the element timing use case)?
Or for simple containers, where all potentially-contentful leaf nodes are known, and have all already reported contentful paints?
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reviewing the Container Timing cases described in the issue, especially a leaf element and a simple container whose contentful paints have all reported. Define what a reliable “finished” signal would mean despite below-the-fold, offscreen, transparent, or obscured content; done when the proposed mechanism and its limits are clear.
Written by the indexing model from the issue text.
Assessment
- Domain
- performance, web-dev
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100