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Mac > Mac Programmer Help > A "how to do it...
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A "how to do it" query - load a URL using User's browser.

by Don Bruder <dakidd@[EMAIL PROTECTED] > Jun 26, 2008 at 02:14 PM

Deep in the guts of my program, I've got a standard 
"http://host.network.TLD/whatever/something/foo/pagename.html"
URL to a 
web page stored in an object. Where it came from, how it got into that 
object, and what type of object it's in is irrelevant - Just take it as 
a given that it's there, and if it needs to be "some other type of 
object", converting to that type is reasonably painless. 

Now that it's there, I want the user to have the option of saying "show 
it to me as a web page in my preferred browser". The exact mechanism of 
issuing the "show it to me" command is a detail I haven't decided on 
yet, although I can see several possibilities, each with differing 
levels of complexity/difficulty, and each with their own pros and cons. 

Once they've done so, by whatever method, I want their chosen browser 
(Safari, IE, Firefox, Lynx, *WHATEVER* browser they have configured as 
their default) to fire up - assuming it isn't already running - and 
load/display the page referenced by the URL as if they've manually taken 
whatever steps are required to start the browser and get it to open an 
arbitrary URL.

Part of the "catch" here is that I need/want to do it in a manner that's 
as simple to code, and as close to "totally browser agnostic" as 
possible - I don't want to be diddling around with the details of trying 
to determine what the user's preferred browser is, checking to see if 
it's already running or if I need to fire it up, figuring out how that 
particular browser wants the URL formatted, and similar details - I just 
want to say "here's a URL - open it with the user's preferred browser", 
and have it "just work". On a related note, issues that may come up with 
the URL after the browser gets it, such as "404/Not Found" and similar, 
aren't my problem - my program isn't a web browser - That's why I'm 
trying to hand the URL off to an actual browser, doncha know!

In Cocoa undr 10.3.9, is there a class/method/function I can call with 
something along the general lines of 

result=[useTheDefaultBrowserToOpenThisURL:objectContainingTheDesiredURL];
if (result==failed)
 [re****tFailureAndContinue:@[EMAIL PROTECTED]
"URL open failed." failReason:result];

or do I need to "roll my own" to (as a best first guess) throw an 
AppleEvent to the Finder, or some similar screwing around?

If such a method exists, I haven't figured out what name to look for it 
under, so I've had no luck. The various NSURL methods sounded like a 
good place to start looking, but I come up empty - Lots of stuff for 
loading the contents of a URL *INTO MY PROGRAM* there, but zip-ola for 
asking a "helper" program to load it into itself. 

Right now, it looks as though I'll have to screw around with trying to 
build (and properly target... which may end up being a major undertaking 
in and of itself) an AppleEvent/AppleScript-like thing to pass on to 
someplace else (Finder seems a likely target) to eventually get the URL 
passed to whatever the user's browser is. 

I'm hoping there's a simpler way. Is my hope in vain?

-- 
Don Bruder - dakidd@[EMAIL PROTECTED]
 - If your "From:" address isn't on my
whitelist,
or the subject of the message doesn't contain the exact text
"PopperAndShadow"
somewhere, any message sent to this address will go in the garbage without
my
ever knowing it arrived. Sorry... <http://www.sonic.net/~dakidd>
for more
info
 




 3 Posts in Topic:
A "how to do it" query - load a URL using User's browser.
Don Bruder <dakidd@[EM  2008-06-26 14:14:05 
Re: A "how to do it" query - load a URL using User's browser.
Sherman Pendley <spamt  2008-06-26 18:37:08 
Re: A "how to do it" query - load a URL using User's browser.
Don Bruder <dakidd@[EM  2008-06-26 16:48:28 

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tan12V112 Fri Dec 5 10:45:22 CST 2008.