Search on YouTube

by gupon 06 Mar 2010

• Related works: 3

Talk

hacker_qpvzyczf at 19 Apr 2010 17:49
シンプルで良いと思いました。

Tags

search youtube
Embed

/**
 * Copyright gupon ( http://wonderfl.net/user/gupon )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/nUlB
 */

package {
	import flash.display.Loader;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.IOErrorEvent;
	import flash.net.URLLoader;
	import flash.net.URLRequest;
	import flash.system.Security;
	import flash.utils.escapeMultiByte;
	
	[SWF(width=465,height=465,frameRate=60)]
	public class YouTubePlayer extends Sprite{
		private static const PLAYER_URL:String = "http://www.youtube.com/apiplayer?version=3";
		private static const YOUTUBE_DOMAIN:String = "www.youtube.com";
		private static const SEARCH_URL_BASE:String = "http://gdata.youtube.com/feeds/api/videos?vq=";
		private var player:Object;
		private var loader:Loader;
		private var box:SearchBox; 
		
		public function YouTubePlayer() {
			setBlack();
			setPlayer();
			addChild( box = new SearchBox( this ));
			
			addEventListener( Event.ADDED_TO_STAGE, function( event:Event ):void{
				box.setFocus();
			});
		}
		
		public function search( keyword:String ):void{
			keyword.replace(" ", "+")
			keyword.replace("　", "+")
			treasureHunt( escapeMultiByte( keyword ) );
		}
		
		private function setBlack():void{
			graphics.beginFill(0);
			graphics.drawRect( 0, 0, 465, 465 );
		}
		
		private function setPlayer():void{
			Security.allowDomain(YOUTUBE_DOMAIN);
			loader = new Loader();
			loader.contentLoaderInfo.addEventListener( Event.INIT, loaderInitHandler );
			loader.contentLoaderInfo.addEventListener( IOErrorEvent.IO_ERROR, function( event:IOErrorEvent ):void{
				loader.load( new URLRequest(PLAYER_URL));
			});
			loader.load( new URLRequest(PLAYER_URL));
		}
		
		private function loaderInitHandler( event:Event ):void{
			addChildAt( loader, 0 );
			loader.content.addEventListener( "onReady", function( event:Event ):void{
				player = loader.content;
				player.setSize( 465, 465 );
				search("alice+pogo");
			});
		}
		
		private function treasureHunt( keyword:String ):void{
			var maxResults:String = "&max-results=" + 1;
			var url:String = SEARCH_URL_BASE + keyword + maxResults;
			var xmlLoader:URLLoader = new URLLoader();
			xmlLoader.addEventListener( Event.COMPLETE, function( event:Event ):void{
				default xml namespace = new Namespace("http://www.w3.org/2005/Atom");
				var str:String = String( xmlLoader.data ).substr( 38 );
				var id:String = String( XML( str ).entry.id ).split("/").pop();
				player.loadVideoById(id);
			});
			xmlLoader.load( new URLRequest( url ));
		}
	}
}

import flash.events.KeyboardEvent;
import flash.text.TextField;
import flash.text.TextFieldType;
import flash.text.TextFormat;
import flash.text.TextFormatAlign;
import flash.ui.Keyboard;

internal class SearchBox extends TextField {
	private var player:YouTubePlayer;
	public function SearchBox( player:YouTubePlayer ) {
		this.player = player;
		
		var format:TextFormat = new TextFormat("Century", 18, 0 );
		format.align = TextFormatAlign.CENTER;
		defaultTextFormat = format;
		
		background = true;
		backgroundColor = 0xFFFFFF;
		type = TextFieldType.INPUT;
		
		x = 100;
		y = 465/2-10;
		width = 265;
		height = 20;
	}
	
	public function setFocus():void{
		stage.focus = this;
		text = "WORDS TO SEARCH FOR";
		setSelection( 0, text.length );
		
		stage.addEventListener( KeyboardEvent.KEY_DOWN, function( event:KeyboardEvent ):void{
			if( event.keyCode == Keyboard.ENTER ){
				player.search( text );
				text = "";
			}
		});
	}
}