Are you using any JSAdapter over netscape.javascript.JSObject instances?
If so, that is no longer needed! Nashorn natively supports Browser
JSObjects - you can access properties/functions from JSObjects directly.
Also you can pass nashorn functions (or assign callbacks). See for
example:
http://hg.openjdk.java.net/jdk9/dev/nashorn/file/c779bd47d648/samples/browser_dom.js
-Sundar
On 12/9/2015 6:10 PM, Jim Laskey (Oracle) wrote:
Which version of jjs are you using? (jjs -version)
— Jim
On Dec 1, 2015, at 1:11 AM, Chris Root <hamme...@gmail.com> wrote:
I'm trying to get two way communication working for a browser project in
Nashorn and I'm having trouble implementing an HTML to host callback. I
tried this in Java using setMember and it works perfectly, but I can't seem
to duplicate it with Nashorn. Since using setMember didn't work I decided
to use the approach below but still no luck.
I don't want to pick up objects from the window object, I want to plant a
function in window that will call Nashorn code. Again getting this to work
in Java was no problem. I followed the instructions on this page
https://blogs.oracle.com/nashorn/entry/porting_from_the_browser_to
I have the jsObject wrapper shown in the article and it works fine. but the
code below doesn't work. This is the relevant snip from the load handler.
This.engine.loadWorker.stateProperty().addListener(new ChangeListener() {
changed: function(value, oldState, newState) {
switch(newState){
case Worker.State.SUCCEEDED:
This.document = wrap(This.engine.executeScript("document"));
This.window = wrap(This.engine.executeScript("window"));
This.window.hello = function(){
This.hello();
}
As you can see I planted a function on the window called hello, which calls
a method of the webview wrapper (same wrapper as in the article) called
hello()
This.hello = function(){
print("****** hello it worked *******");
}
I then set up the alert handler
This.engine.onAlert = new javafx.event.EventHandler() {
handle: function(evt) {
print(evt.data)
}
};
and then finally loaded the HTML file below into the webview.
<html>
<head>
<title>Nashorn Browser</title>
<script type="text/Javascript">
function sayhello(){
try{
hello();
}catch(e){
alert(e.message)
}
}
</script>
</head>
<body>
<a href="#" onclick="sayhello(); return false;">Say Hello</a>
</body>
</html>
What I get back in the console is.
JavaRuntimeObject is not a function (evaluating 'window.hello()')
Is there any way to establish a callback into my Nashorn code the way it
can be done in Java?
