订阅组件

/*

 * subscription
 *  by sunhw
 *
 *  参数：
 *
 *  example:
 *  <a href="###" class="wor-rss tool-subscription" data-listid="1" data-listtit="{data.channel.title}" data-listpic="http://www.fun.tv/img/1.jpg" title="">订阅</a>
 *  .subscriptioned 为已订阅状态
 *  .subnum 为订阅数 <b class="subnum">12121</b>

 *  订阅接口：
 *  http://api.fun.tv/ajax/subscribe/add/$id
 *  http://api.fun.tv/ajax/subscribe/cancel/$id

*/
T.dom.ready(function(){
   var doc = doc || window.document;
   var SubscribeAnimate = function( parent, channel ){
      var dom = document.createElement("div");
      var root = parent;
      var sidebar = T.g("mod-sidebar");
      this.start = function(){
         if( !root ){
            return;
         }
         if( !sidebar || !sidebar.instance ){
            return;
         }
         var pos = T.dom.getPosition( root );
         var targetPos = sidebar.instance.getSubscriptionPosition();
         targetPos.left = 15;
         if( channel != "channel"){
         }else{
            targetPos.top += 40;
         }
         T.dom.setStyle( dom, "left", pos.left );
         T.dom.setStyle( dom, "top", pos.top);
         document.body.appendChild( dom );
         dom.className = "subscribe_ani z-act";
         //ie6不支持
         //dom.setAttribute("class", "subscribe_ani z-act");
         F.load("widget.tween.Tweener", function(){
            var tween = F.widget.tween.Tweener;
            var duration = Math.floor(pos.left /2);
            if( duration <= 300) duration = 300;
            //直线动画不用了
            var maxY = Math.min( targetPos.top, pos.top) - 100;
            if( maxY <=0) {
               maxY = 0;
            }
            F.parabola( {x:pos.left, y:pos.top}, { x:targetPos.left, y:targetPos.top }, maxY, {
               duration:1000,
               onTween:function(x, y){
                  dom.style.left = x +"px";
                  dom.style.top = y + "px";
               },
               onFinish:function(){
                  setTimeout(function(){
                     tween.add(dom, {
                        prop:"opacity", time:50, end:0, method : F.math.tweener.easeInCubic, onComplete:function(){
                           T.dom.remove(dom);
                        }
                     });
                  },10);
               }
            } );
            return;
            for(var i in targetPos){
               tween.add(dom, {
                  prop : i,
                  time :duration,
                  end : targetPos[i],
                  method : F.math.tweener.easeInCubic,
                  onComplete : function(){
                     setTimeout(function(){
                        tween.add(dom, {
                           prop:"opacity", time:50, end:0, method : F.math.tweener.easeInCubic, onComplete:function(){
                              T.dom.remove(dom);
                           }
                        });
                     },10);
                  }
               });
            }
         });
      };
   };
   function changeDom(data, options){
      var subTit = data.title || '';
      var subLogSrc = data.logo || '';
      var subNum = data.sub_num;
      function changeStatus(ags){
         var nodes = T.query(".tool-subscription");
         var node = null;
         for(var i=0;i<nodes.length;i++){
            var node = nodes[i];
            var id = node.getAttribute("data-id");
            if(id != options.listid ){
               continue;
            }
            if(ags.types == 'add'){
               T.dom.addClass(node, 'subscriptioned');
            }else{
               T.dom.removeClass(node, 'subscriptioned');
            }
            node.innerHTML = ags.text;
            T.setAttr(node, 'title',  ags.text);
            var subNumDom = T.query('.subnum', node.parentNode)[0];
            if(subNumDom) subNumDom.innerHTML = subNum;
         }
      }
      if( options.subtype == 'add'){
         changeStatus({'text':'已订阅','types':'add'});
      }else{
         changeStatus({'text':'订阅','types':'cancel'});
      }
   }
   function handler(element, c_l_id, channel){
      if(!element || !c_l_id) return;
      var isSubed = T.dom.hasClass(element, 'subscriptioned');
      var subNumDom = T.query('.subnum', element.parentNode)[0];
      var subNum = 0;
      if( subNumDom ){
         subNum = Number(subNumDom.innerHTML) || 0;
      }else{
         subNum = element.getAttribute("data-subnum") || 0;
      }
      var subscriber = new F.widget.subscription.Subscriber();
      if(!isSubed){
         subscriber.subscribe(c_l_id, channel , element, subNum );
      }else{
         subscriber.unSubscribe(c_l_id,channel, element, subNum );
      }
   }
   //订阅上报 by zhaoning
   function feedReport(data){
      if(!data || !data.id || !data.type) return;
      F.log.feed({
         action : data.action,
         mediatype : data.type == 'channel' ? data.id + '|' : '|' + data.id
      });
   }
   //登录用户合并订阅 by sunhw
   (function(){
        //用户退出清除cookie
        var deleCookie = function(){
            var c = F.cookie.get('_subWindow');
            if( c ){
                F.cookie.del('_subWindow');
            }
        };
      function Merge(){
         this.init();
      }
      Merge.prototype.contrast = function(){
         var me = this;
         var bodyNode = T.query('body')[0];
         var tpl = [
            '<div class="sub-shade z-act" id="subShade"></div>',
            '<div class="sub-window z-root" id="subWindow">',
               '<p class="sub-txt">是否将本地订阅与观看历史同步至账号？</p>',
               '<p class="sub-btns"><a href="javascript:;" id="subSubmit">同步</a><a href="javascript:;" id="subEsc">不同步</a></p>',
               '<a href="javascript:;" class="sub-colse" id="subColseBtn" title="关闭">关闭</a>',
            '</div>'
         ].join('');
         T.dom.insertHTML(bodyNode, 'afterBegin', tpl);
         me.bind();
      };
      Merge.prototype.bind = function(){
         var me = this;
         var subColseBtn = T.get('subColseBtn');
         var subSubmit = T.get('subSubmit');
         var subEsc = T.get('subEsc');
         var subShade = T.get('subShade');
         var subWindow = T.get('subWindow');
         if(!subShade || !subWindow || !subColseBtn || !subSubmit || !subEsc){
            return;
         }
         me.reset();
         function remove(ev){
            T.event.stop(T.event.get(ev));
            T.dom.remove(subWindow);
            T.dom.remove(subShade);
         }
         T.on(subColseBtn, 'click', function(e){
            remove(e);
            F.cookie.set('_subWindow', 1);
         });
         T.on(subSubmit, 'click', function(e){
            F.get(F.config.api + '/ajax/sync_sub/sync/', function(json){
               if( json && json.status == 200 ){
                  remove(e);
                  window.location.reload();
               }else{
                  return;
               }
            });
         });
         T.on(subEsc, 'click', function(e){
            remove(e);
            F.cookie.set('_subWindow', 1);
         });
         T.on(window, 'resize', me.reset);
      };
      Merge.prototype.reset = function(){
         var me = this;
         var subShade = T.get('subShade');
         var subWindow = T.get('subWindow');
         var width = T.page.getWidth() + 'px';
         var height = T.page.getHeight() + 'px';
         var left = Math.ceil(T.page.getViewWidth() / 2) + 'px';
         var top = Math.ceil(T.page.getViewHeight() / 2) + 'px';
         T.dom.setStyle(subShade, 'width', width);
         T.dom.setStyle(subShade, 'height', height);
         T.dom.setStyle(subWindow, 'left', left);
         T.dom.setStyle(subWindow, 'top', top);
      };
      Merge.prototype.init = function(){
         var me = this;
         var url = F.config.api + '/ajax/sync_sub/compare/';
         if( F.tool.user.userid && ( F.cookie.get('_subWindow') != 1 ) ){
            F.get(url, function(json){
               if( json && json.status == 200 ){
                  if( json.data == true ){
                     me.contrast();
                  }
               }else{
                  return;
               }
            });
         }else{
            return;
         }
      };
      if(F.tool.user.userid){
         var merge = new Merge();
      }
        F.logout.logoutHook(deleCookie);
   })();
   T.observer.add(F.EventCenter.SUBSCRIBE_ADD, function( evt ){
      changeDom(evt, {"subtype":"add", "listid":evt.listid, "sub_num":evt.sub_num });
      feedReport({action:1, id:evt.listid, type:evt.listtype});
      if( evt.element ){
         new SubscribeAnimate( evt.element, evt.listtype ).start();
      }
   });
   T.observer.add(F.EventCenter.SUBSCRIBE_CANCEL, function( evt ){
      changeDom(evt, {"subtype":"cancel", "listid":evt.listid, "sub_num":evt.sub_num });
      feedReport({action:0, id:evt.listid, type:evt.listtype});
   });
   F.Event.delegate(doc, '.tool-subscription', 'click', function(e){
      T.event.stop(T.event.get(e));
      var attrId = T.getAttr(this, 'data-id');
      var attrType = T.getAttr(this,'data-type');
      handler(this, attrId, attrType );
   });
   F.Event.delegate(doc, '.tool-subscription', 'mouseover', function(e){
      T.event.stop(T.event.get(e));
      var element = this;
      element.innerHTML = "";
   });
   F.Event.delegate(doc, '.tool-subscription', 'mouseout', function(e){
      T.event.stop(T.event.get(e));
      var element = this;
      element.innerHTML = "";
   });
});