[webkit-dev] The SrcN responsive images proposal

Thu Nov 7 22:36:07 PST 2013

On Fri, Nov 8, 2013 at 12:50 AM, Timothy Hatcher <timothy at apple.com> wrote:

> On Nov 7, 2013, at 2:43 PM, Tab Atkins Jr. <jackalmage at gmail.com> wrote:
>
> I'm pretty sure the argument is almost entirely around hand-authoring,
> where experience with style='' shows that lists-of-lists are bad.
>
>
> Until you are dealing with dozens of images per tag. That is untenable one
> image heavy sites and tools will need to be written to auto generate these
> "lists of lists" from the original assets. Scripts can easily deal with a
> micro format in one attribute. They can't easily deal with a micro format
> spread across multiple src-n attributes in arbitrary HTML.\
>

If we start from the one-attribute approach, we can improve the situation
in a simiilar manner to how style is attached to an element.
For example:
<head>
    <srcset name="foobar">
        some list-of-lists-of-lists-of-lists
    </srcset>
</head>
<body>
    <img srcset="ref(#foobar)" />
    or even
   <img src="srcset(foobar)" />
</body>

We can even do this kind of thing after the basic <img
srcset="all-kinds-of-stuff" /> is supported, solving the feature problem
first and the authoring convenience problem second.
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