Catching Custom Events in Actionscript

Question

I have a custom component that opens a new window with a video player in it. I need to pass a bunch of stuff into it, so there's a lot of binding expressions. I need to be able to catch it's complete event (when the video is finished playing). But the event I dispatch isn't working. Here's my custom component class:
[CODE]
<?xml version="1.0" encoding="utf-8"?>
<!-- This is a window component which creates a transparent window with no system chrome (no bars, close, min, max buttons, resize stuff) that contains a single video object to be able to play videos from a folder called "videos" in the root of this application. This screen is spawned from the main MXML WindowedApplication using AS 3. -->
<s:Window xmlns:fx="http://ns.adobe.com/mxml/2009"
                    xmlns:s="library://ns.adobe.com/flex/spark"
                    xmlns:mx="library://ns.adobe.com/flex/mx"
                    xmlns:customComponents="customComponents.*"
                    systemChrome="none" visible="true" transparent="true" showStatusBar="false" width="400" height="300"
                    >
    <fx:Metadata>
        [Event(name="MOVIE_LOAD", type="flash.events.Event")]
        [Event(name="MOVIE_FINISH", type="flash.events.Event")]
    </fx:Metadata>
    <fx:Declarations>
        <!-- Place non-visual elements (e.g., services, value objects) here -->
    </fx:Declarations>
    <s:layout>
        <s:BasicLayout />
    </s:layout>
    <fx:Script>
        <![CDATA[
            import org.osmf.events.TimeEvent;
            [Bindable]
            public var displayScreenWidth:int = 1024;
            [Bindable]
            public var displayScreenHeight:int = 768;
            [Bindable]
            public var videoName:String;
            // Note that the following two variables are set to true by default because the screen saver goes in first.
            [Bindable]
            public var muteVideo:Boolean=true;
            [Bindable]
            public var loopVideo:Boolean=true;
            // In order to allow it to play, I had to extend the play method for the VideoDisplay to a public function.
            public function play():void
                videoDisplay.play();
            protected function dispatchMovieLoad(event:Event):void
                var eventObj:Event = new Event("MOVIE_LOAD");
                dispatchEvent(eventObj);
            protected function dispatchMovieFinish(event:TimeEvent):void
                var eventObj:Event = new Event("MOVIE_FINISH");
                dispatchEvent(eventObj);
        ]]>
    </fx:Script>
    <s:VideoDisplay id="videoDisplay" x="0" y="0" width="{displayScreenWidth}" height="{displayScreenHeight}" source="videos/{videoName}"
                                    autoPlay="true" muted="{muteVideo}" loop="{loopVideo}" complete="dispatchMovieFinish(event)" />
</s:Window>
[/CODE]
When I try to catch the event, I use this code:
[CODE]
/* Plays a video, and enables sound and disables looping. It also defines what do to when the video reaches completion. */
protected function playVideo(vidName:String):void
    videoScreen.addEventListener(Event.MOVIE_FINISH, loadScreenSaver);
    videoScreen.muteVideo = false;
    videoScreen.loopVideo = false;
    videoScreen.videoName = vidName;
    videoScreen.play();
[/CODE]
The problem is, i get the error by the addEventListener line that reads:
Multiple markers at this line:
-1119: Access of possibly undefined property MOVIE_FINISH through a reference with static type Class.
-addEventListener
I don't know how to get around this. When I type "addEventListener(" and hit control+space bar, I see "Event.MOVIE_FINISH" on the list, citing my custom component as the source. Even when I had it called movieFinish in the component, I still saw "MOVIE_FINISH" for my event in the code help. So, I changed the name, but I cannot get rid of the error, and therefore my program won't compile fully. Any ideas?

Answer 1

The first argument to addEventListener() is just a string.  You can do:
    videoScreen.addEventListener("MOVIE_FINISH", loadScreenSaver);