@Colin, this is possible with ActiveX (Windows + IE only) http://rosettacode.org/wiki/Execute_a_system_command#JavaScript
In the Firefox I am not sure but I think it is possible if the user explicitly allow, maybe with signed script or some extended permission https://wiki.mozilla.org/Apps/Security#Extended_permissions -- Fernando Almeida fernandoalmeida.net <http://www.fernandoalmeida.net> adminfinanceiro.com.br <http://www.adminfinanceiro.com.br> 2013/9/25 Colin Law <[email protected]> > On 25 September 2013 05:09, Ricardo do Valle <[email protected]> > wrote: > > @Colin the rails server is running in a VPS with nginx and unicorn. > > So the server is running on a different computer to the browser, and > you want a page in the browser to interact with an app on the PC > running the browser. I believe this is not possible, and nor should > it be possible. Would you want a web page to be able to affect > applications running on the PC? Imagine what a malicious website > could do if this were possible. > > Colin > > > > > @Fernando, thank you very much, but it is not alternative for this > project, > > i will study the chrome devs API for a future and another project, have > you > > used already? > > > > I am looking for a way to create sockets and controls (state machine) > from a > > rails app or another way to do that. > > > > > > > > > > On Tue, Sep 24, 2013 at 5:08 PM, Colin Law <[email protected]> > wrote: > >> > >> On 24 September 2013 19:44, Ricardo do Valle <[email protected]> > >> wrote: > >> > Hi everyone, > >> > > >> > I need that my web app talk with a dektop application. > >> > >> Which computer is the web application running on (not the browser, the > >> rails server)? > >> > >> Colin > >> > >> > > >> > User case: a user click a button on the page, and this button send a > >> > command > >> > to the desktop app and wait for the answer from destkop app or > timeout. > >> > > >> > I am using Rails 4 and Qt/C++, but it is not mandatory to use Qt/C++. > >> > The desktop app is used to talk with computer usb port. > >> > > >> > Anyone hava any tips or help? > >> > Thanks > >> > > >> > -- > >> > You received this message because you are subscribed to the Google > >> > Groups > >> > "Ruby on Rails: Talk" group. > >> > To unsubscribe from this group and stop receiving emails from it, send > >> > an > >> > email to [email protected]. > >> > To post to this group, send email to > [email protected]. > >> > To view this discussion on the web visit > >> > > >> > > https://groups.google.com/d/msgid/rubyonrails-talk/CALQXn34YNjWotDWX6YdVtk9Y-N1SYg5dc-aCVHsPU6WuP-jCsg%40mail.gmail.com > . > >> > For more options, visit https://groups.google.com/groups/opt_out. > >> > >> -- > >> You received this message because you are subscribed to the Google > Groups > >> "Ruby on Rails: Talk" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an > >> email to [email protected]. > >> To post to this group, send email to [email protected]. > >> To view this discussion on the web visit > >> > https://groups.google.com/d/msgid/rubyonrails-talk/CAL%3D0gLu5CuygbkG9OeG2tRsFyKNgtHSqyJXhR83fdzN7QHqseA%40mail.gmail.com > . > >> > >> For more options, visit https://groups.google.com/groups/opt_out. > > > > > > > > > > -- > > Ricardo do Valle > > > > -- > > You received this message because you are subscribed to the Google Groups > > "Ruby on Rails: Talk" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [email protected]. > > To post to this group, send email to [email protected]. > > To view this discussion on the web visit > > > https://groups.google.com/d/msgid/rubyonrails-talk/CALQXn36nRg66poyssORqXC2kzeKW-8Mch5d3tgJn01_dgOKz_Q%40mail.gmail.com > . > > > > For more options, visit https://groups.google.com/groups/opt_out. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/CAL%3D0gLv39JkLm-jMvLgHwELO7xDEtSRgAwZocFHOYqf_Qtd6FQ%40mail.gmail.com > . > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CAJA5LLfNqsFHDmh2GB700RAbHPM6omyF8Tc7Wu8W_g-jESF87g%40mail.gmail.com. For more options, visit https://groups.google.com/groups/opt_out.
