API call to replace parts in html

[Carsten Burghardt]

On Sunday 27 June 2004 13:20, Carsten Burghardt wrote:
> On Tuesday 22 June 2004 00:32, Zack Rusin wrote:
> > On Friday 07 May 2004 13:53, Carsten Burghardt wrote:
> > > Hi,
> > >
> > > when an email (html page in this case) is displayed in kmail that
> > > contains images and you selected an inline attachment style those
> > > images are displayed. They reference a tmp file (<img
> > > src="file://...>). Now if you use imap and activate load-on-demand
> > > those images exist but are empty. They get loaded one by one and with
> > > each image the email is completely repainted which is extremely ugly.
> > > So I want khtml to repaint the page once the image is complete so
> > > that it doesn't flicker that much. Is there anything that could be
> > > used for this? Replace the image, tell the node to repaint, tell the
> > > complete page to repaint, ...? A generic approach would be very good
> > > as this might also be used for other parts e.g. text attachments
> > > (<div> or <p> in this case AFAIK).
> >
> > Well, the simplest and most effective solution would be to simply cache
> > the email contents somewhere and when the images are there post a
> > reload request to the KHTMLPart browserextension:)
> >
> > Otherwise you can:
> > 1) disable autoloading images before constructing any img elements but
> > after constructing the document itself with
> > m_part->setAutoloadImages( false );
> > 2) when you have all images call m_part->setAutoloadImages( true );
> > 3) call m_part->htmlDocument().updateRendering(); and
> > m_part->view()->layout(); to relayout the document.
>
> Thanks Zack. It seems I found a khtml bug that is preventing all this. As
> it didn't work with kmail I created some small test cases with testkhtml.
> If you load an html page that contains broken images with open() and then
> update each of them with Node.applyChanges() and afterwards do
> htmlDocument().updateRendering() the page is updated correctly.
> If you do the same with a document that is created with begin() - write() -
> end() it doesn't update. I even tried to disable autoloading like you
> proposed but it doesn't change anything.
> I don't know if it flickers less when I do a reload request - compared to a
> new construction of the page. But even then I don't know how to reload a
> page that was created with write() requests.

Should I file a bugreport about this?