[update] add silentLoad on videoWrapper

what:
why:
how:

src/dispatcher/bus.js

@@ -1,6 +1,6 @@
 // @flow
 import {isEmpty, isArray, runRejectableQueue, runStoppableQueue, camelize, bind, isError, isVoid, isFunction, deepClone, Log} from 'chimee-helper';
-import {videoEvents, kernelMethods, domEvents, domMethods, dispatcherMethods, noTriggerEvents} from 'helper/const';
+import {videoEvents, kernelMethods, domEvents, domMethods, selfProcessorEvents} from 'helper/const';
 const secondaryReg = /^(before|after|_)/;
 /**
  * <pre>
@@ -119,7 +119,10 @@ export default class Bus {
     }
     const beforeQueue = this._getEventQueue(event.before, this.__dispatcher.order);
     return runRejectableQueue(beforeQueue, ...args)
-    .then(() => this._eventProcessor(key, {sync: false}, ...args))
+    .then(() => {
+      if(selfProcessorEvents.indexOf(key) > -1) return;
+      return this._eventProcessor(key, {sync: false}, ...args);
+    })
     .catch(error => {
       if(isError(error)) this.__dispatcher.throwError(error);
       return Promise.reject(error);
@@ -142,7 +145,7 @@ export default class Bus {
       return this._eventProcessor(key, {sync: true}, ...args);
     }
     const beforeQueue = this._getEventQueue(event.before, this.__dispatcher.order);
-    return runStoppableQueue(beforeQueue, ...args) && this._eventProcessor(key, {sync: true}, ...args);
+    return runStoppableQueue(beforeQueue, ...args) && selfProcessorEvents.indexOf(key) < 0 && this._eventProcessor(key, {sync: true}, ...args);
   }
   /**
    * [Can only be called in dispatcher]trigger an event, which will run main -> after -> side effect period
@@ -324,16 +327,10 @@ export default class Bus {
   _eventProcessor (key: string, {sync}: {sync: boolean}, ...args: any) {
     const isKernelMethod: boolean = kernelMethods.indexOf(key) > -1;
     const isDomMethod: boolean = domMethods.indexOf(key) > -1;
-    const isDispatcherMethod: boolean = dispatcherMethods.indexOf(key) > -1;
-    if(isKernelMethod || isDomMethod || isDispatcherMethod) {
-      if(isDispatcherMethod) {
-        this.__dispatcher[key](...args);
-      } else {
-        this.__dispatcher[isKernelMethod ? 'kernel' : 'dom'][key](...args);
-      }
+    if(isKernelMethod || isDomMethod) {
+      this.__dispatcher[isKernelMethod ? 'kernel' : 'dom'][key](...args);
       if(videoEvents.indexOf(key) > -1 ||
-        domEvents.indexOf(key) > -1 ||
-        noTriggerEvents.indexOf(key) > -1) return true;
+        domEvents.indexOf(key) > -1) return true;
     }
     // $FlowFixMe: flow do not support computed sytax on classs, but it's ok here
     return this[sync ? 'triggerSync' : 'trigger'](key, ...args);

src/dispatcher/index.js

@@ -285,6 +285,7 @@ export default class Dispatcher {
       const paused = this.dom.videoElement.paused;
       this.switchKernel({video, kernel, config});
       if(!paused) this.dom.videoElement.play();
+      return Promise.resolve();
     });
   }
   switchKernel ({video, kernel, config}: {

src/dispatcher/video-wrapper.js

@@ -151,9 +151,14 @@ export default @autobindClass() class VideoWrapper {
     obj.__del(property);
   }
 
+  @alias('silentLoad')
   $silentLoad (...args: Array<*>) {
-
-    this.__dispatcher.silentLoad(...args);
+    return this.__dispatcher.bus.emit('silentLoad')
+    .then(() => {
+      return this.__dispatcher.silentLoad(...args);
+    }).then(result => {
+      this.__dispatcher.bus.trigger('silentLoad', result);
+    });
   }
 
   /**

src/helper/const.js

@@ -70,7 +70,7 @@ export const domEvents = [
   'msfullscreenchange',
   'contextmenu'
 ];
-export const noTriggerEvents = [
+export const selfProcessorEvents = [
   'silentLoad'
 ];
 export const kernelMethods = [
@@ -79,9 +79,6 @@ export const kernelMethods = [
   'load',
   'seek'
 ];
-export const dispatcherMethods = [
-  'silentLoad'
-];
 export const kernelEvents = [
   'mediaInfo'
 ];