NS_IMETHODIMP
nsDSURIContentListener::IsPreferred(const char* aContentType,
char ** aDesiredContentType,
bool* aCanHandle)
{
NS_ENSURE_ARG_POINTER(aCanHandle);
NS_ENSURE_ARG_POINTER(aDesiredContentType);
// the docshell has no idea if it is the preferred content provider or not.
// It needs to ask its parent if it is the preferred content handler or not...
nsCOMPtr<nsIURIContentListener> parentListener;
GetParentContentListener(getter_AddRefs(parentListener));
if (parentListener) {
return parentListener->IsPreferred(aContentType,
aDesiredContentType,
aCanHandle);
}
// we used to return false here if we didn't have a parent properly
// registered at the top of the docshell hierarchy to dictate what
// content types this docshell should be a preferred handler for. But
// this really makes it hard for developers using iframe or browser tags
// because then they need to make sure they implement
// nsIURIContentListener otherwise all link clicks would get sent to
// another window because we said we weren't the preferred handler type.
// I'm going to change the default now...if we can handle the content,
// and someone didn't EXPLICITLY set a nsIURIContentListener at the top
// of our docshell chain, then we'll now always attempt to process the
// content ourselves...
return CanHandleContent(aContentType,
PR_TRUE,
aDesiredContentType,
aCanHandle);
}
NS_IMETHODIMP
PSMContentListener::IsPreferred(const char * aContentType,
char ** aDesiredContentType,
bool * aCanHandleContent)
{
return CanHandleContent(aContentType, true,
aDesiredContentType, aCanHandleContent);
}
NS_IMETHODIMP
EmbedContentListener::IsPreferred(const char *aContentType,
char **aDesiredContentType,
PRBool *aCanHandleContent)
{
return CanHandleContent(aContentType, PR_TRUE, aDesiredContentType,
aCanHandleContent);
}
/* boolean isPreferred (in string aContentType, out string aDesiredContentType); */
NS_IMETHODIMP CWebBrowserContainer::IsPreferred(const char *aContentType, char **aDesiredContentType, PRBool *_retval)
{
return CanHandleContent(aContentType, PR_TRUE, aDesiredContentType, _retval);
}
