[Qt-interest] how to find all images used by webpage

[Richard Baron Penman]

thanks very much Sean. That looks just what I am after.



On Thu, Jun 17, 2010 at 6:24 PM, Sean Harmer <
sean.harmer at maps-technology.com> wrote:

> Hi,
>
> On Thursday 17 June 2010 02:43:21 Richard Baron Penman wrote:
> > hello,
> >
> > I am using QWebView to load a webpage. How can I find a list of the image
> > URLs used by a webpage, including background images referenced in
> external
> > CSS?
> >
> > One possibility is to evaluateJavaScript:
> >
> webView.page()->mainFrame()->evaluateJavaScript("document.getElementsByTagN
> > ame(\"img\");");
> >
> > But that feels messy and would miss CSS images anyway.
> > Any ideas?
>
> One possible approach would be to use a customised QNetworkAccessManager
> (QNAM) subclass that logs all image requests. To get an idea on how to do
> this
> see the following blog entries:
>
> http://www.kdedevelopers.org/node/4210
> http://www.kdedevelopers.org/node/4237
>
> Essentially all you have to do is to inherit your own class from QNAM and
> override the createRequest() function. In your specialised version look at
> the
> contents of the request, decide if it is requesting an image or not and
> then
> log it.
>
> HTH,
>
> Sean
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