youtube api
東京てら子14で発表した内容のサンプル
/**
* Copyright fumix ( http://wonderfl.net/user/fumix )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/axrB
*/
package {
import com.adobe.serialization.json.JSON;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Sprite;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.net.URLLoader;
import flash.net.URLRequest;
/**
* @author fumix
*/
[SWF(backgroundColor="#FFFFFF", frameRate="31", width="465", height="465")]
public class TestYoutube extends Sprite {
private const APIURL : String = 'http://gdata.youtube.com/feeds/api/videos?start-index=1&max-results=50&orderby=viewCount&alt=json&vq=';
private const KEYWORD : String = 'AKB48';
private var _w : int;
private var _h : int;
private var _jsonObject : Object;
public var _bollon : Balloon;
private var _base : Sprite;
public function TestYoutube() {
if (stage) initialize();
else addEventListener(Event.ADDED_TO_STAGE, initialize);
}
private function initialize(event : Event = null) : void {
removeEventListener(Event.ADDED_TO_STAGE, initialize);
// ステージ設定
// stage.quality = StageQuality.LOW;
stage.scaleMode = StageScaleMode.NO_SCALE;
stage.align = StageAlign.TOP_LEFT;
// 背景設定
_w = stage.stageWidth;
_h = stage.stageHeight;
var bmd : BitmapData = new BitmapData(_w, _h, false, 0xFFFFFF);
addChild(new Bitmap(bmd));
//ベース
_base = new Sprite();
addChild(_base);
//吹き出し
_bollon = new Balloon(0, 0, _w, _h);
addChild(_bollon);
// youtubeから検索結果のjsonをロード
var urlLoader : URLLoader = new URLLoader();
urlLoader.addEventListener(Event.COMPLETE, urlLoadCompleteHandler);
urlLoader.load(new URLRequest(APIURL + KEYWORD));
}
private function urlLoadCompleteHandler(event : Event) : void {
// jsonデータをobjectに
_jsonObject = JSON.decode(event.currentTarget.data);
for (var i : String in _jsonObject['feed']['entry']) {
var url : String = "http://www.youtube.com/watch?v=" + String(_jsonObject['feed']['entry'][i]['id']['$t']).replace('http://gdata.youtube.com/feeds/api/videos/', '');
var thumbURL : String = _jsonObject['feed']['entry'][i]['media$group']['media$thumbnail'][0]['url'];
var title : String = _jsonObject['feed']['entry'][i]['title']['$t'];
var thum : ThumbImage = new ThumbImage(thumbURL, url, title);
var c : int = Math.ceil(_w / 134);
var cy : int = int(i) / c;
var cx : int = int(i) - cy * c;
var dx : Number = 134 * cx;
var dy : Number = 101 * cy;
thum.x = dx;
thum.y = dy;
_base.addChild(thum);
}
}
}
}
import flash.display.Bitmap;
import flash.display.Loader;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.net.URLRequest;
import flash.net.navigateToURL;
import flash.system.LoaderContext;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
class ThumbImage extends Sprite {
private var _img : String;
private var _url : String;
private var _title : String;
public function ThumbImage(imageURL : String, youtubeURL : String, title : String) {
_img = imageURL;
_url = youtubeURL;
_title = title;
buttonMode = true;
if (stage) initialize();
else addEventListener(Event.ADDED_TO_STAGE, initialize);
}
private function initialize(event : Event = null) : void {
removeEventListener(Event.ADDED_TO_STAGE, initialize);
// 画像のロード
var loader : Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loadCompleteHandler);
loader.load(new URLRequest(_img), new LoaderContext(true));
// マウスハンドラ
addEventListener(MouseEvent.CLICK, onMouseClick);
addEventListener(MouseEvent.ROLL_OVER, onRollOver);
addEventListener(MouseEvent.ROLL_OUT, onRollOut);
}
private function onRollOut(event : MouseEvent) : void {
var t:TestYoutube = this.parent.parent as TestYoutube;
t._bollon.hide();
}
private function onRollOver(event : MouseEvent) : void {
var t:TestYoutube = this.parent.parent as TestYoutube;
t._bollon.show(_title);
}
private function onMouseClick(event : MouseEvent) : void {
navigateToURL(new URLRequest(_url), '_blank');
}
private function loadCompleteHandler(event : Event) : void {
var bm : Bitmap = event.target.loader.content as Bitmap;
var scale : Number = 100 / bm.height;
bm.height = 100;
bm.scaleX = scale;
bm.smoothing = true;
addChild(bm);
}
}
class Balloon extends Sprite {
private var _tl : TextField;
private var _top : int;
private var _left : int;
private var _right : int;
private var _bottom : int;
private var _sp : Sprite;
public function Balloon(top : int, left : int, right : int, bottom : int) {
_sp = new Sprite();
_sp.graphics.lineStyle(0.1, 0xFFFFFF);
_sp.graphics.beginFill(0x000000);
_sp.graphics.drawRect(0, 0, 124, 20);
_sp.graphics.endFill();
addChild(_sp);
_tl = new TextField();
_tl.wordWrap = true;
_tl.autoSize = TextFieldAutoSize.LEFT;
_tl.width = 180;
_tl.textColor = 0xFFFFFF;
_tl.x = _tl.y = 2;
addChild(_tl);
_top = top;
_left = left;
_right = right;
_bottom = bottom;
visible = false;
mouseEnabled = false;
mouseChildren = false;
}
public function show(text : String) : void {
_tl.text = text;
_sp.width = _tl.width + 4;
_sp.height = _tl.textHeight + 8;
visible = true;
addEventListener(Event.ENTER_FRAME, enterFrameHandler);
}
public function hide() : void {
removeEventListener(Event.ENTER_FRAME, enterFrameHandler);
visible = false;
}
private function enterFrameHandler(event : Event) : void {
x = stage.mouseX + 5;
y = stage.mouseY + 5;
if (x > _right - width) x = x - width - 5;
if (y > _bottom - height) y = y - height - 5;
}
}