On 6/18/13 8:12 AM, Nicolas Silva wrote: > On Tue, Jun 18, 2013 at 3:07 PM, Gavin Sharp <ga...@gavinsharp.com> wrote: > >> If we design it properly this shouldn't be a huge issue (and users >> disabling the feature probably won't be necessary). This isn't >> something we'd provide UI for, certainly. >> > > Then we should really measure network traffic impact and take it into > account when we decide to ship it on mobile platforms. > > >>> Also it's worth noting that thumbnails also have the problem of when it >>> should be taken. As soon as web pages become applications rather than >>> simple documents, we tend to screenshot before most of the content is on >>> the screen. Maybe it's worth thinking about how potential solutions to >> both >>> problems interact. >> >> I think this is largely a separate problem - when to screenshot vs. >> how to do it seem mostly unrelated. Do you have any examples of where >> the current thumbnail code fails to capture a "good" thumbnail? I >> think it it just uses a hard-coded delay after load, and as far as I >> know this hasn't really been a problem in practice. B2G's requirements >> are somewhat different given the way their screenshots are used (as a >> perceived performance optimization rather than for thumbnails) > > > I was indeed thinking of B2G screenshots. I haven't yet read the WHATWG > thread that Roc pointed out, but I know some people would like to address > the problem seen in B2G by exposing an API for the app/website to say when > it is ready to be captured in a thumbnail (so it could be the web author's > responsibility to let the browser know not to screenshot when sensible data > is exposed). I don't know if the idea is good or not, but it could help > both problems, probably. > This not just a B2G problem, though. It is a problem for all web > applications that load a bit of the UI and then load the content > asynchronously. We want web apps to be well integrated everywhere. I know > that, in practice, (some) gaia devs aren't really satisfied with the > current screenshot strategy. > > Cheers, > > Nical >
Would it make sense to come up with a standard way for sites to offer their own screenshots, in a similar way that favicons are offered? Jorge _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
