If JS calls "addEventListener", then eventually EventTarget::addEventListener will be called. I believe what you want to do is call EventTarget::dispatchEvent on the node in question. This should call any callbacks associated with the type of event you pass to it.
I sent this reply before, but the title was incorrect. Hopefully this shows up nicely. On Jan 19, 2013, at 12:00 PM, [email protected] wrote: > Send webkit-help mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.webkit.org/mailman/listinfo/webkit-help > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of webkit-help digest..." > > > Today's Topics: > > 1. How to raise asynchronous events from C++ to JavaScript > (Programming Newbie) > 2. Retrieve downloaded images (OC) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 18 Jan 2013 20:24:25 +0000 (GMT) > From: Programming Newbie <[email protected]> > To: webkit-help <[email protected]> > Subject: [webkit-help] How to raise asynchronous events from C++ to > JavaScript > Message-ID: > <[email protected]> > Content-Type: text/plain; charset="utf-8" > > Hi, > > > > I have managed to expose C++ APIs to JS using JavaScriptCore and I am able to > issue callbacks from JavaScript to C++. > > Now, I wanted to raise certain events in C++ and hoping them to be received > in JavaScript. > > So, if in JS, someone has added code: > > myElement.addEventListener("myEvent", myEventHandler(), ...) > > Then, I should somehow be able to raise myEvent from C++ and want it to be > passed to JavaScript(caught in JS), so that myEventHandler() gets called. > > Firstly, I thought of creating callbacks for all event handler functions and > calling correct event handler them from C++ whenever an event needs to be > raised. > But, if I do like it, then I need to know beforehand which event handlers are > associated with which events and I can't register and deregister events on > the fly. > > Also, there might be more than one handler associated with some events. > > JavaScript code is not mine, I have to work with already written scripts and > not allowed to modify them. So, I have to find out some way to do it through > c++ only. > > Can anyone please expain to me, how I can do this. > > Thanks, > newbie. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.webkit.org/pipermail/webkit-help/attachments/20130118/44e6fe9e/attachment-0001.html> > > ------------------------------ > > Message: 2 > Date: Fri, 18 Jan 2013 23:03:24 +0100 > From: OC <[email protected]> > To: [email protected] > Subject: [webkit-help] Retrieve downloaded images > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Hello, > > Is it possible to retrieve the images of a web page than has just been > downloaded? How? > > For example, with QtWebKit and Python, I run: > > from PyQt4.QtGui import QApplication, QImage > from PyQt4.QtWebKit import QWebView > app = QApplication([]) > view = QWebView() > view.load(QUrl("http://www.google.com";)) > view.show() > > In this operation, the image "www.google.com/images/srpr/logo1w.png" was > downloaded and displayed. Where is it accessible now? How can it be > retrieved with webkit (or QtWebKit)? > > Thank you, > > O.C. > > > ------------------------------ > > _______________________________________________ > webkit-help mailing list > [email protected] > http://lists.webkit.org/mailman/listinfo/webkit-help > > > End of webkit-help Digest, Vol 43, Issue 9 > ****************************************** _______________________________________________ webkit-help mailing list [email protected] http://lists.webkit.org/mailman/listinfo/webkit-help
