Hello Tom,
Didn't understand quite well what you mean by "the content that is
rendered contains a link to a web page is there any way that i could
intercept this request", but i suppose you want to intercept navigation
events, like the user clicking on a link, or javascript opening a link.
Yes, there is a way. You have to create an instance supporting
nsIURIContentListener, register it and you will get navigation requests
in the OnStartURIOpen method. You allow or cancel navigation by
returning true or false through the *_retval parameter. You can inspect
the link that was going to be loaded, and "tell" the browser to load
another link in teh way you usually do. However, here is a hint: since
you are in a callback, any metod that you call from this callback that
enters mozilla again, causes reentrancy. From what I have seen, Mozilla
guards itself from this, but you can have unexpected results. For
example, trying to load a page from the callback works, but if you want
to wait for the page being completely loaded, you may end up in a
deadlock. It seems(at least on windows, but re-entrancy is a generic
problem), that Mozilla does the actual loading on the next iteration of
the message loop. And of you do the wait before this, you will never get
the page loaded, even if you re-enter the message loop explicitly. This
is why it is a good idea in this case to initiate (and wait if
necessary) page loading, by a message/event handler that handles an
event, posted from the callback. For intercepting navigation events, and
for other stuff you can look at
http://www.mozilla.org/projects/embedding/faq.html. Hope that helps.
Regards
Alex
Tom Gethings wrote:
Thanks for your help! At the moment i am attempting this using the
Write() operation for the nsIHTMLDocument. I have another question
though, if the content that is rendered contains a link to a web page
is there any way that i could intercept this request and instead
supply a local file instead?
On 01/02/06, *Aleksandar Vasilev* <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> wrote:
Hello Tom,
One way to do this is to use the method setInnerHTML of the interface
nsIDOMNSHTMLElement to set the inner html of the body element, or any
element you want (you can use getElementById to find the appropriate
element). These techiques are often used in javascript/AJAX. To
use this
method you will have to escape any '<' and '>' symbols with their html
representations. There is another solution -
nsIHTMLEditor::InsertHTML,
but you can do this only if you set mozilla to editing mode. Hope this
helps.
Regards
Alex
Tom Gethings wrote:
> I am trying to create a very simple application which embeds gecko,
> something like winEmbed. One of the main features i would like to
> implement is the ability to pass a string of HTML for my application
> to render. I was wondering if there is any method available to
> perform something like this? I have found something similar to
what i
> would like in the gtkmozembed program, gtk_moz_embed_render_data, is
> there a version of this method for a windows example?
>
> Thanks in advance for any help,
> Tom
>
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