On Fri, Oct 23, 2009 at 5:37 PM, Jaroslav Gresula <[email protected]> wrote: > Xan Lopez wrote: >> On Fri, Oct 23, 2009 at 5:05 PM, Jaroslav Gresula >> <[email protected]> wrote: >>> Xan Lopez wrote: >>>> On Thu, Oct 22, 2009 at 11:18 AM, Jaroslav Gresula >>>> <[email protected]> wrote: >>>>> Hi, >>>>> >>>>> In my WebKit port (based on the GTK port) I would like to cancel a >>>>> resource request depending on the resource length or its MIME type. >>>>> >>>>> I thought, dispatchDidReceiveResponse(DocumentLoader*, ...) in my >>>>> WebCore::FrameLoaderClient implementation could be a good place for such >>>>> action as I can retrieve the length and the MIME type from the >>>>> ResourceResponse argument there. However I did not find the way how to >>>>> cancel the request. >>>>> >>>>> Any help would be appreciated. >>>> >>>> in dispatchWillSendRequest you can modify the URI of the resource >>>> that's about to be requested. If you set it to, say, "about:blank", >>>> nothing will be requested. This is what the GTK+ port does, through a >>>> signal emission, to let clients implement things like adblock. >>>> >>> >>> That's a nice trick but is the resource MIME type and its length known >>> at this point? My understanding is that this information is not >>> available until dispatchDidReceiveResponse(). >> >> Well, no, but since you were asking how to cancel the request I >> assumed you wanted to do it before it was done, not after... If you >> want to do things based on the MIME type of the resource see >> dispatchDecidePolicyForMIMEType, which also carries the >> ResourceRequest. > > Ok, let me rephrase my question: what I need is to cancel an ongoing > (sub)resource request once its length and MIME type are known. This way > I could avoid retrieving of resources whose length exceeds certain limit > or whose MIME type can't be handled by my port. > > I've already looked at dispatchDecidePolicyForMIMEType() and it seemed > to me that it is invoked only for the main resource but not for > sub-resources (i.e. images) - I will look into it closer.
Ah, you are right, I think it's only emitted for the main resource and any frame in the page maybe. So yeah, other than suggesting the method you already mentioned and the other resource-specific functions in FrameLoaderClient nothing to add :) Xan > > Thanks, > -- > Jarda > http://jagpdf.org > > _______________________________________________ > webkit-dev mailing list > [email protected] > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev > _______________________________________________ webkit-dev mailing list [email protected] http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
