[Cocoa-sharp] URL, URLRequest, WebScriptObject patch

[netshade]

Shoulda sent to list:

Included

Also, while working on my project, I successfully built a native exec,
packaged in an .app file, and relinked against included Mono libs in
<app>.app/Contents/Frameworks.    Was pretty gratifying to build a
drop-anywhere, no-mono-install necessary app. Is it just common knowledge to
use the tools avail to do that, or would it be worthwhile for me to send an
example to the list?


CZ



On 9/14/06, C.J. Adams-Collier <cjcollier at colliertech.org> wrote:
>
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> Please include an overview in the root ChangeLog.  Geoff and I will go
> over the patches tomorrow around noon, U.S. Pacific time
>
> netshade wrote:
> > Included is a patch against cocoa# and webkit# to add the
> > windowScriptObject prop to WebView, and to add loading by
> > URLRequest to WebFrame .  There is also a fix in ObjCClass removing
> > a reference to contains() on the registered class table, when I
> > imagine it should have been containsKey().
> >
> > Also included is a batch of new files, most of which honestly I
> > have no idea what they do.  However, in the course of working on my
> > own app, I got exceptions thrown by ObjCClass showing the classes
> > as missing.  Adding them seemed to shut it up.
> >
> > I should add that the reason I added these items was because I
> > wanted to bind a mono object to a Javascript variable in the
> > WebView.  I now have that working, and will give a quick overview
> > on how to do it yourself:
> >
> > ( In the interests of time, skipping typical cocoa# setup junk)
> >
> > Create a class that subclasses Cocoa.Object.  Aside from your
> > constructors, add three methods ( stubbed below ):
> >
> > [Export("isSelectorExcludedFromWebScript:")] public static bool
> > _isSelectorExcludedFromWebScript(string selector) { return false; }
> >
> >
> > [Export("webScriptNameForSelector:")] public static Cocoa.String
> > _webScriptNameForSelector(string selector){ return new
> > Cocoa.String("console"); }
> >
> > [Export("console:")] public void console(IntPtr cob){ Cocoa.Object
> > ob = Cocoa.Object.FromIntPtr(cob); Console.WriteLine("FROM MONO
> > "+ob.ToString()); }
> >
> >
> > The top two method exports (isSelectorExcludedFromwebScript and
> > webScriptNameForSelector) are taken from the informal WebKit
> > scripting protocol ( the googling for which should take you to the
> > official Apple docs ).  isSelectorExcludedFromWebScript: is called
> > to check if the method referred to by a given selector is able to
> > be called; in this case, we just return false and allow every
> > method in the class to be called.   webScriptNameForSelector: is
> > called to ascertain what the JavaScript name for a given method
> > will be; if this method didn't exist, all the methods in your class
> > would be munged up according to those scripting protocol docs I
> > mentioned. ( Namely, colons : would become underscores _ )
> >
> > Finally we export the console method to make it visible to WebKit.
> >
> > This object you've created will be the object that you insert into
> > the WebView's javascript runtime.  In order to do that, you'll need
> >  to edit your application controller ( or wherever you're working
> > with the WebView - and if you're lost, consult the CocoaDoc
> > application in SVN to figure out how to get a WebView in your
> > Cocoa# app and work with it ) to act as a delegate for the WebView
> > ( for reasons I'm about to mention ).
> >
> > In interface builder, create a connection between your webview and
> > your application controller ( or whatever ) by ctrl+clicking on the
> >  webview and dragging the line that appears to the controller.  Set
> >  the frameLoadDelegate of your WebView to the application
> > controller.  Then add a method similar to the following to your
> > application controller:
> >
> > [Export("webView:windowScriptObjectAvailable:")] public void
> > HandleLoad(WebView pane,WebScriptObject wso){ MyScriptableObject ob
> > = new MyScriptableObject(); //above would be the object you created
> > earlier
> >
> > wso.SetValueForKey(new Cocoa.String("logger"),ob); }
> >
> >
> >
> > You'll also want to add a directive somewhere in here ( in a method
> >  that responds to awakeFromNib:, for instance ) that tells the
> > WebFrame to load up an HTML file that has content similar to the
> > following:
> >
> > <script language="JavaScript"> logger.console(".. to Objective C to
> > JavaScript"); </script>
> >
> >
> > You should see a line like this printed out to the console:
> >
> >> FROM MONO .. to Objective C to JavaScript
> >
> >
> > Hope someone else finds this useful.
> >
> >
> > CZ
> >
> >
> > ----------------------------------------------------------------------
> >
> >
> > _______________________________________________ Cocoa-sharp mailing
> > list Cocoa-sharp at lists.ximian.com
> > http://lists.ximian.com/mailman/listinfo/cocoa-sharp
>
>
> - --
> <cjcollier at colliertech.org>
> http://wp.colliertech.org/cj/
> +1 206 226 5809
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