Re: Obtaining the foreground application's path

FROM : Matt Burnett
DATE : Tue Mar 25 21:00:35 2008

Thanks everyone, the NSWorkspace class will most likely work for me. I 
remember seeing it years ago but havent had a need to use it untill 
now. If it turns out to be a computationally expensive method then I 
will give the carbon way a try.

On Mar 25, 2008, at 9:11 AM, Jean-Daniel Dupas wrote:

> And I know this is not what you ask for, but if you need to track 
> application usage, I suggest you to have a look at thoses carbons 
> events.
>
>  kEventAppLaunched:
>  kEventAppTerminated:
>  kEventAppFrontSwitched:
>
> It may avoid you to check the frontmost application using a timer, 
> or some other (nasty) pulling method. I know this is a Carbon call, 
> but I don't think there is a Cocoa equivalent for the "front 
> switched" event (and it's available in the 64 bits API).
>
> You can easily use them from a Cocoa Application. Just register a 
> event handler, and then it will be called when one of those event 
> occured. (if this is from a daemon application, you will have to 
> call -[NSApp run], else it will run automatically).
>
>  EventTypeSpec eventTypes[] = {
>    { kEventClassApplication, kEventAppLaunched },
>    { kEventClassApplication, kEventAppTerminated },
>    { kEventClassApplication, kEventAppFrontSwitched },
>  };
>  InstallApplicationEventHandler(yourCallBackFunction, 
> GetEventTypeCount(eventTypes), eventTypes, self, NULL);
>
>
>
> Le 25 mars 08 à 14:50, Ivan C Myrvold a écrit :

>> This will give you an NSDictionary with a lot of information about 
>> the active application:
>>
>> [[NSWorkspace sharedWorkspace] activeApplication];
>>
>> Ivan
>>
>> Den 25. mars. 2008 kl. 08:12 skrev Matt Burnett:
>>

>>> Im sure this is not the right list, but it is the closest one i 
>>> could think of for this topic (or maybe carbon-dev).
>>>
>>> I am looking to obtain the current foreground application. The 
>>> applications path, bundle identifier, or application name would be 
>>> fine, however the path would be ideal. I want to do this to track 
>>> application usage for statistical purposes for a product somewhat 
>>> similar to Altiris's Application Metering on windows. How could i 
>>> go about doing this? Also how could i deal with scenarios where 
>>> there may be more than one foreground application such as if 
>>> Spaces or Fast User Switching is enabled?
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>>
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>
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