Dear all,
I have implement nsIWebProgressListener then OnStateChange() is
successfully called.
However, I try to do the following code inside OnStateChange() but
domDocument is always NULL. I don't understand why. Please enlighten
me if anyone have any idea?
OnStateChange(..........)
{
if((progressStateFlags & STATE_IS_DOCUMENT)&&(progressStateFlags &
STATE_STOP))
{
nsCOMPtr<nsIWebBrowser> pBrowser(do_GetService
("@mozilla.org/embedding/browser/nsWebBrowser;1"));
nsCOMPtr<nsIWebNavigation> webNav = do_QueryInterface(pBrowser);
nsCOMPtr<nsIDOMDocument> domDocument;
webNav->GetDocument(getter_AddRefs(domDocument));
nsCOMPtr<nsIDOMHTMLDocument>
htmlDomDocument(do_QueryInterface(domDocument));
if(domDocument)//<--------------always NULL
{
nsString title;
htmlDomDocument->GetTitle(title);
printf("Parse_URL() - Document title = %s\n",
ToNewUTF8String(title));
}
}//end if
}//end OnStateChange(........)
Regards,
YueWeng
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