Add new events: and .

Author: pazguille

README.md

@@ -299,14 +299,28 @@ An instance of Slideout emits the following events:
 - `close`
 - `beforeopen`
 - `open`
+- `translatestart`
 - `translate`
+- `translateend`
 
-The slideout emits `translate` event only when it is opening/closing via touch events.
+The slideout emits `translatestart`, `translate` and `translateend` events only when it is opening/closing via touch events.
 
 ```js
+slideout.on('translatestart', function() {
+  console.log('Start');
+});
+
 slideout.on('translate', function(translated) {
-  console.log(translated); // 120 in px
+  console.log('Translate: ' + translated); // 120 in px
 });
+
+slideout.on('translateend', function() {
+  console.log('End');
+});
+
+// 'Start'
+// 'Translate 120'
+// 'End'
 ```
 
 ## npm-scripts

index.js

@@ -218,6 +218,7 @@ Slideout.prototype._initTouchEvents = function() {
    */
   this._onTouchEndFn = function() {
     if (self._moved) {
+      self.emit('translateend');
       (self._opening && Math.abs(self._currentOffsetX) > self._tolerance) ? self.open() : self.close();
     }
     self._moved = false;
@@ -251,6 +252,10 @@ Slideout.prototype._initTouchEvents = function() {
         return;
       }
 
+      if (!self._moved) {
+        self.emit('translatestart');
+      }
+
       if (oriented_dif_x <= 0) {
         translateX = dif_x + self._padding * self._orientation;
         self._opening = false;