Object oriented Javascript, communication with Flash

Question

I understand that ExternalInterface.call('functionName', arguments); in ActionScript 3 can be used to communicate with Javascript function functionName(arguments) defined on the HTML page.

But what about a custom object instance? Say that I have:

(function (factory, $, undefined) {

    factory.worker = function () {
        ...
    };

    factory.worker.prototype.init = function (params) {
        ...
    };

    factory.worker.prototype.flash_tell_me_something = function (params) {
        ...
    };

}(window.factory = window.factory || {}, jQuery));

And in order to use it, I combine it with jQuery to create an instance, plus the Flash object:

$(document).ready(function () {
    var myworker = new factory.worker();
    myworker.init();
    var myloadedcallback = function () {
    };
    flashVars = {loadedCallback: myloadedcallback};
    ...
    swfobject.embedSWF(swfUrl, id, 215, 138, version, null, flashVars, params);
});

How do I call myworker.flash_tell_me_something(...) from Flash?

fsbmain · Accepted Answer · 2013-09-20 13:55:58Z

1

Try this solution:

    if(ExternalInterface.available)
    {
        ExternalInterface.call("window.myworker.flash_tell_me_something", "hello");
    }

You can also call worker directly, rather than window.worker if they are (worker and flash object) in the same namespace.

answered Sep 20, 2013 at 13:55

fsbmain

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3 Comments

He Shiming Over a year ago

Hi, thanks for the answer. My real situation here contain nested level of 'myworker', the call comes from lower level. It might be something like this: window.myworker1.myworker2.myworker3.call. The problem is myworker3 do not know the nesting graph. Could you elaborate your answer in the situation where level of myworker and its name is unknown?

fsbmain Over a year ago

so you want to say, that flash don't know the path to the target worker? If so, you can add this path to the flash vars or add some 'setupFlashJSBridge' callback to the flash and pass this parameter in the runtime.

Azzy Elvul Over a year ago

Maybe you need something like this: in your flash file you can access passed flashvars via loaderInfo.parameters so maybe this can work for you ExternalInterface.call( MovieClip(this.root).loaderInfo.parameters.loadedCallback, 'hello');

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