[webkit-qt] WK2/QML handling of unresponsive/crashed web process

[Milian Wolff]

On Thursday 31 January 2013 15:46:59 Milian Wolff wrote:
> On Wednesday 30 January 2013 15:52:17 Milian Wolff wrote:
> > On Wednesday 30 January 2013 15:22:20 Jocelyn Turcotte wrote:
> > > On Wed, Jan 30, 2013 at 02:49:18PM +0100, Milian Wolff wrote:
> > > > The process-question I asked to clarify my understaning for when I
> > > > have
> > > > to
> > > > work on writing the code to handle the unresponsive/crashed web
> > > > process.
> > > > 
> > > > My use case is a WebView as a local-HTML renderer (opposed to a full
> > > > fledged browser). It would be embedded in a bigger QML app and just
> > > > part
> > > > of the full package. One does not want it to show a blank white page
> > > > showing "web process crashed": To get rid of it after all, the user
> > > > would
> > > > have to press some reload GUI element. Especially on embedded devices
> > > > with limited screen real estate you don't want to clutter it with such
> > > > a
> > > > reload button.
> > > > 
> > > > Rather one might want to reload the page automatically and increase
> > > > some
> > > > crash counter. If it failed for N times consecutively though one
> > > > should
> > > > probably show a proper error page - but that should be properly styled
> > > > and integrated into the rest of the application. It could e.g. contain
> > > > additional information and offer to report a bug or something.
> > > > 
> > > > None of these things above are possible to handle right now using
> > > > QtWebKit
> > > > from QML - or am I missing something?
> > > 
> > > Ok, same idea as suggested on my response to Alexis, how about exposing
> > > the
> > > processDidCrash signal (along with processDidBecomeUnresponsive for
> > > unresponsiveness), which could then be handled by the QML code to call
> > > reload automatically, or prompt the user first, or just ignore it and
> > > let
> > > the user press the reload button. Would that solve your issue?
> > 
> > Yes it would, if QtWebKit automatically killed the unresponsive process
> > upon reload.
> 
> I have created a bug and attached a patch for that:
> https://bugs.webkit.org/attachment.cgi?id=185771

Here's the bug URL: https://bugs.webkit.org/show_bug.cgi?id=108474

Cheers
-- 
Milian Wolff | milian.wolff at kdab.com | Software Engineer
KDAB (Deutschland) GmbH&Co KG, a KDAB Group company
Tel. Germany +49-30-521325470, Sweden (HQ) +46-563-540090
KDAB - Qt Experts - Platform-independent software solutions
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