[MacRuby-devel] Basic delayed email method

[Cliff Rosson]

Hi Mark,

I wouldn't actually loop for an hour I was just lazily writing something as
an example in chat. I'll take a look at what you provided and try to post
my updates here. Thanks so much! :)

-Cliff

On Sat, Oct 20, 2012 at 11:50 AM, Colin Thomas-Arnold <colinta at gmail.com>wrote:

> A timer would work fine here I think, but in my opinion there is a lot of
> value in learning GCD - but I also use NSTimers all the time, so whatever
> floats the boat.
>
> But the original code Cliff sent doesn't use a Timer, it assigns a time in
> the future and checks as often as possible that it is equal to "now", so
> effectively blocks until the time has elapsed.  Though, if the program
> "goes away" for that second duration, it will never be true.  Unlikely, for
> sure, and this code would be fine for a quick command-line program, but not
> good design.  A ton a ton of ticks are being wasted implementing a hacky
> version of a timer.
>
> Timers/async == good, loops that block and are effectively a timer == not
> so good.
>
>
> @colinta
> colinta.com
> github.com/colinta
>
>
>
>
> On Oct 20, 2012, at 12:40 PM, Robert Carl Rice wrote:
>
> > Hi Mark,
> >
> > I use NSTimer a lot in my apps. What is the advantage of using GCD API?
> >
> > There is an excellent tutorial on the web for specifically for setting
> up ScriptingBridge for Apple Mail but I forget where I saw it. On warning;
> if you set up ScriptingBridge for Apple Mail don't try to take a snapshot
> in Xcode 4. Xcode will follow the link to mail and include all of your
> mailboxes in the snapshot. I don't know if there is a way to stop this
> behavior.
> >
> > Bob Rice
> >
> > On Oct 19, 2012, at 6:50 PM, Mark Rada <mrada at marketcircle.com> wrote:
> >
> >> Busy looping for an hour would be really bad. I assume you would have a
> sleep in there, but then you're still polling.
> >>
> >> If you are using MacRuby, looking at the GCD API would be a good idea.
> You could do something like this:
> >>
> >> def schedule_email q
> >>   q.after(3600) do
> >>       # Send email
> >>       schedule_email q
> >>   end
> >> end
> >>
> >> schedule_email Dispatch::Queue.new("com.rosson.delayed.email")
> >>
> >> NSRunLoop.currentRunLoop.run
> >>
> >>
> >>
> >> As for actually sending emails, if you want to have things go through
> Apple Mail you could use the ScriptingBridge framework which has a few
> tutorials online (but for iTunes):
> >>
> >>
> http://arstechnica.com/apple/2011/09/tutorial-os-x-automation-with-macruby-and-the-scripting-bridge/
> >>
> >> AXElements is another option that I am biased in favour of; but it may
> not be passive enough for your requirements.
> >>
> >> HTH,
> >>      Mark
> >>
> >>
> >> On 2012-10-19, at 6:12 PM, Cliff Rosson <cliff.rosson at gmail.com> wrote:
> >>
> >>> Hi Everyone,
> >>>
> >>> I am fairly new to macruby and am having trouble finding some basic
> documentation to help me out. I would like to write a simple app that sends
> a delayed email based on Time from mac mail.
> >>>
> >>> I am thinking of something like this,
> >>>
> >>> time = Time.now + 3600
> >>> while true
> >>> case time
> >>> when Time.now
> >>>   #Send email
> >>> end
> >>> end
> >>>
> >>> Being able to respond to certain emails or send an email from a draft
> would be a huge benefit. Can anyone point me in the write direction to
> accomplish this? I am decently proficient in ruby but don't know where to
> start with MacRuby.
> >>>
> >>> Thanks everyone
> >>>
> >>> _______________________________________________
> >>> MacRuby-devel mailing list
> >>> MacRuby-devel at lists.macosforge.org
> >>> http://lists.macosforge.org/mailman/listinfo/macruby-devel
> >>
> >> _______________________________________________
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> >> http://lists.macosforge.org/mailman/listinfo/macruby-devel
> >>
> >
> > _______________________________________________
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>
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-- 
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