Luca Ottaviano a écrit :
On 17/10/2013 17:27, Olivier Tilloy wrote:
Hi all,
I’m looking into patching QtNetworkAccessManager::createRequest(…) to
dynamically set a custom user agent on every outgoing HTTP request
(setting the experimental.userAgent property on the QML webview is not
enough, I need per-domain overrides).
I know that with the multi-process architecture the qnam cannot be
easily replaced on the application side, and I’m fine with having to
minimally patch QtWebKit to achieve my goal (although of course being
able to set a custom qnam at runtime would be ideal!).
I’m wondering how feasible it would be to have a signal emitted on the
webview from createRequest(…) so that I can easily override the UA
header dynamically, something similar to the onNavigationRequested
signal, and how I would go about implementing such a hook?
Any help/pointers/suggestions of an alternative approach much
appreciated!
Hi Olivier,
I've also looked at WebKit2 internals and I don't think there's an easy
way to add what you want...
Maybe you can just change the userAgent in the slot onNavigationRequest
depending on the target URL, or if that fails because loading is already
started, you can define a myUrl as a "proxy" for WebView.url.
Changing the webview’s userAgent in onNavigationRequest is the solution
I’m currently using, but it doesn’t work well enough, the first outgoing
request always get the default UA.
The local proxy idea is interesting, but I fear this would imply a
non-negligible performance penalty which I can’t afford.
Thanks for the suggestions anyway!
Cheers,
Olivier
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