fix(menu): do not disable app during menu open/close

Closes #175

demos/native/index.ts

@@ -74,6 +74,6 @@ class MyApp {
    menu.close();
 
    let nav = this.app.getComponent('myNav');
-   nav.setViews([page.page]);
+   nav.setRoot(page.page);
  }
 }

demos/native/main.html

@@ -2,9 +2,9 @@
   <ion-toolbar><ion-title>Plugins</ion-title></ion-toolbar>
   <ion-content>
     <ion-list>
-      <ion-item *ng-for="#p of plugins" (click)="openPage(menu, p)">
-        <span>{{p.title}}</span>
-      </ion-item>
+      <button ion-item *ng-for="#p of plugins" (click)="openPage(menu, p)">
+        {{p.title}}
+      </button>
     </ion-list>
   </ion-content>
 </ion-menu>

ionic/components/menu/menu.ts

@@ -136,14 +136,12 @@ export class Menu extends Ion {
   setProgess(value) {
     // user actively dragging the menu
     this._disable();
-    this.app.setEnabled(false, 4000);
     this._type.setProgess(value);
   }
 
   setProgressEnd(shouldComplete) {
     // user has finished dragging the menu
     this._disable();
-    this.app.setEnabled(false);
     this._type.setProgressEnd(shouldComplete).then(isOpen => {
       this._after(isOpen);
     });
@@ -156,16 +154,12 @@ export class Menu extends Ion {
     this.getBackdropElement().classList.add('show-backdrop');
 
     this._disable();
-    this.app.setEnabled(false);
   }
 
   _after(isOpen) {
     // keep opening/closing the menu disabled for a touch more yet
     this._disable();
 
-    // but the app itself can be used again
-    this.app.setEnabled(true);
-
     this.isOpen = isOpen;
 
     this._cntEle.classList[isOpen ? 'add' : 'remove']('menu-content-open');
@@ -183,7 +177,7 @@ export class Menu extends Ion {
   _disable() {
     // used to prevent unwanted opening/closing after swiping open/close
     // or swiping open the menu while pressing down on the menu-toggle
-    this._disableTime = Date.now() + 300;
+    this._disableTime = Date.now() + 20;
   }
 
   _isDisabled() {