Okay Adam, I think I am beginning to understand. However, I just get two
problems trying to run that code:
1. error: 'request' undeclared (first use in this function)
2. warning: 'webView' may not respond to '+isLoading'
Thanks for your help.
Sincerely,
Pierce Freeman
--
Pierce Freeman
[EMAIL PROTECTED]
On 11/24/08 7:02 PM, "Adam R. Maxwell" <[EMAIL PROTECTED]> wrote:
>
> On Nov 24, 2008, at 6:32 PM, Pierce Freeman wrote:
>
>> Sorry for my newbie-ness, but I still don't really get what you are
>> talking
>> about. Are you saying that I should do this:
>>
>> [WebView setFrameLoadDelegate:didFinishLoadForFrame];
>>
>> - (void)didFinishLoadForFrame
>> {
>> // Do stuff
>> }
>
> No. Here you're sending setFrameLoadDelegate: to the WebView class
> instead of an instance, and passing part of the method name as an
> argument. It likely won't compile, and certainly won't work.
> Additionally, you're missing part of the delegate method signature.
>
> You'd typically have something like this:
>
> - (void)loadURL
> {
> NSURLRequest *request = [NSURLRequest requestWithURL:_httpURL
> cachePolicy:NSURLRequestReturnCacheDataElseLoad timeoutInterval:60.0];
>
> // self is an object implementing any delegate methods you want to
> receive
> [_webView setFrameLoadDelegate:self];
> [[_webView mainFrame] loadRequest:request];
> }
>
> - (void)webView:(WebView *)sender didFailLoadWithError:(NSError *)
> error forFrame:(WebFrame *)frame;
> {
> // do something with error
> }
>
> - (void)webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)
> frame
> {
> // wait until all frames are loaded
> if (NO == [_webView isLoading])
> // do something with frame/view
> }
>
> where the delegate messages are delivered after each frame loads or
> fails. This is the basic delegate pattern in Cocoa, which should be
> explained pretty thoroughly in the documentation.
>
> See
> http://developer.apple.com/documentation/Cocoa/Conceptual/DisplayWebContent/Ta
> sks/LocationChanges.html
> and
> http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaFundamentals/Co
> mmunicatingWithObjects/chapter_6_section_4.html.
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