[webkit-dev] How to cancel a resource request

Jaroslav Gresula jgresula.LEAVE-THIS-OUT at gmail.com
Fri Oct 23 07:05:00 PDT 2009

Xan Lopez wrote:
> On Thu, Oct 22, 2009 at 11:18 AM, Jaroslav Gresula
> <jgresula.LEAVE-THIS-OUT at gmail.com> 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().


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