[webkit-dev] FrameLoaderClient notifications

[Patrick Hanna]

Artem,

For our port, we construct the FrameLoaderClient with a pointer to the  
Frame object. So in all the progress notification callbacks we can say  
m_frame->loader()->url() or whatever to get the current url of the  
frame.

Patrick

On Mar 13, 2008, at 7:11 AM, Artem Ananiev wrote:

> Hi,
>
> I work on dispatching web load/progress events for Java port and  
> have some questions about notifications in FrameLoaderClient class.
>
> 1. What is the right method to implement to get a 'page load  
> started' and 'page load finished' events? I tried the following  
> methods:
>
> postProgressStartedNotification()
> postProgressFinishedNotification()
>
> and the problem is they don't accept any params, so I can't get an  
> URL being loaded. If I obtain the URL from frame->loader- 
> >documentLoader, it works for 'progress finished' notification, but  
> returns an old URL for 'progress started'.
>
> 2. What is the right method to implement to get a 'main document  
> load started'? I see the method
>
> dispatchDidLoadMainResource()
>
> but there is no similar method about starting...
>
> 3. As I understand, the right way to handle resources (for example,  
> images) loading is to track methods
>
> assignIdentifierToInitialRequest()
> dispatchWillSendRequest()
> dispatchDidFinishLoading()
>
> The latter two methods provide request identifiers which are  
> assigned in the former one. However, sometimes I see two  
> 'dispatchWillSendRequest' calls with the same ids and different  
> URLs. For example, when loading www.google.com I the first URL is www.google.com 
>  and the second is www.google.co.uk. How is this situation should be  
> handled?
>
> 4. There are several notifications about resource loading is finished:
>
> dispatchDidFinishLoading()
> dispatchDidFinishLoad()
> dispatchDidFinishDocumentLoad()
>
> didFinishLoad() - is this a notification?
> finishedLoading() - is this a notification?
>
> Some of them provide DocumentLoader instances, others have no  
> parameters passed. What is the difference between these methods? Are  
> some of them outdated and shouldn't be used at all?
>
> Thanks,
>
> Artem
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