Hey all,
I'm (slowly) working on porting Geary to WebKit2.
One of the things that needs to be taken care of is how Geary does
manipulates an HTML email's markup before loading it into a WebView.
This is done for a few reasons: Applying app-specific and user-specific
CSS, to implement collapsible quote sections, for handling loading of
inline and attached images, and to ensure that bulk and junk messages
containing bugged remote images, etc. aren't automatically triggered.
I can parse, manipulate and re-serialise the HTML in the in the app
before shipping it off to WebKit, but it would be nice to be able take
advantage of WK's excellent parser instead. Is loading the HTML in a
WebView and manipulating it from there using a WebExtension the only
way to achieve this? I couldn't see anything like the DOM Load/Save
APIs being documented as implemented. Is it possible to get a
"background" WebKitWebPage for doing this without having the web view
visibly change as the DOM is modified, then hand-ball the modified DOM
over to a visible page for display?
For intercepting resource loads, connecting to
WebKitWebPage::send-request and/or registering a handler with
webkit_web_context_register_uri_scheme() looks like the way to go - I
assume that one or the other will allow intercepting and cancelling
loads of all remote resources at load-time, including images, CSS and
JS, but how secure are they? Will a DNS lookup be performed for
resources with remote URIs before asking for load permission?
Cheers,
//Mike
--
⊨ Michael Gratton, Percept Wrangler.
⚙ <http://mjog.vee.net/>
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