On Mon, Nov 22, 2010 at 10:07 AM, Aryeh Gregor <simetrical+...@gmail.com<simetrical%2b...@gmail.com> > wrote:
> On Sat, Nov 20, 2010 at 12:21 AM, Robert O'Callahan > <rob...@ocallahan.org> wrote: > > Most of the use cases for script access to the exact device pixel ratio > that > > I've heard boil down to "interfere with the user's ability to zoom", > which > > is why I haven't been eager to make it easier. > > Might there be some web pages that have good reason to interfere with > the user's ability to zoom? For instance, Google's "Quick View" for > PDFs: > > > http://docs.google.com/viewer?a=v&q=cache:D8hHb4MTkS4J:www.irs.gov/pub/irs-pdf/fw4.pdf > > (Apparently the W-4 form is the first PDF hit when you Google for > "PDF", who knew.) Over at the side there are zoom buttons, but they > do something quite different from using the browser's built-in zoom > function. However the in-page zoom buttons work is a lot more legible > and smooth than using browser zoom. So allowing the page to hijack > browser zoom requests in this specific case would actually be a > usability improvement, as far as I can tell. > I don't mind a browser allowing a page to override the default behavior of a browser's zoom keybindings or possibly even menu items. But ultimate control still has to reside with the user and user-agent. Web designers are notorious for declaring that their content should be viewed at a certain size; if an obnoxious designer tries to disable browser zooming, I insist that the browser be able to override that. Rob -- "Now the Bereans were of more noble character than the Thessalonians, for they received the message with great eagerness and examined the Scriptures every day to see if what Paul said was true." [Acts 17:11]
