Re: widget.openURL("file://....")

• Subject: Re: widget.openURL("file://....")
• From: John Louch <email@hidden>
• Date: Mon, 21 Nov 2005 21:42:35 -0800
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• Thread-index: AcXvJ4ofyMPUrFsaEdq6kgAUURoVMg==
• Thread-topic: widget.openURL("file://....")
• User-agent: Microsoft-Entourage/11.2.1.051004

> You are right, using the AllowFileAccessOutsideOfWidget key worked, though
> only halfway.  It opened the application in Preview instead of Safari.  I
> would think that with the "file://" prefix it should be obvious it's meant
> for a web browser.  It must just call widget.system("/usr/bin/open...").
> Preview isn't quite the same thing because you can't drag the image around
> unless you open the drawer of images first (not so obvious to a lot of users
> I think).  Probably one of the sticking points is that calling
> widget.openURL(url) is defined to open in the default browser (not
> necessarily Safari).  Since I have to hard-code it to open in Safari, it
> will open in the non-standard browser on some user's systems.

This is per design.  openURL follows the url opening rules of the system.
So whatever application the file is bound to will open.  In this case
preview.

> 
> I found a workaround for opening local file URLs.  The command looks like
> this:
>     widget.system("/usr/bin/open -a /Applications/Safari.app
> /Users/username/image.jpg", null);
> If you keep the "file://" prefix on the filename it opens in the Preview
> application instead.
> 
> Other interesting observations:
> 
> (1) creating an image object with  myImage = new Image();
> myImage.src="files/image.jpg";
>       results in the same value for "myImage.src" if you retrieve it after
> the image has been loaded
>           However,...
>       If you load the same image through the document with
>           myImage = document.getElementById("imgTag4"); myImage.src =
> "files/image.jpg";
>       then when you retrieve the value "myImage.src" after the image is
> loaded, it has been
>       appended with the prefix "file://..." including the full pathname to
> the file.
> 
> (2) calling widget.system("/bin/ls") without the second (endHandler)
> parameter will crash
>       the entire widget (3 times in a row until the widget launcher gives
> up)
> 

This should be fixed in 10.4.3 or later.

Thanks,
jl

> Brian
> 
> 
> ----Original Message Follows----
> From: "Brian Klock" <email@hidden>
> To: email@hidden
> Subject: widget.openURL("file://....")
> Date: Mon, 21 Nov 2005 19:39:52 -0800
> 
> Has anyone found a way to get widget.openURL(url) to succeed if it is passed
> a url that begins with "file://"?  It must be either a security constraint
> or a mistake in the widget API, though I'm not sure the logic could be for
> giving widgets a constraint such as this.
> 
> Brian
> 
> 
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John Louch         Internet #: email@hidden


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