chore(nativeRaf): use native raf over zone wrapped

ionic/components/content/content.ts

@@ -4,7 +4,7 @@ import {Ion} from '../ion';
 import {IonicApp} from '../app/app';
 import {Config} from '../../config/config';
 import {Keyboard} from '../../util/keyboard';
-import {raf, nativeTimeout, transitionEnd}  from '../../util/dom';
+import {nativeRaf, nativeTimeout, transitionEnd}  from '../../util/dom';
 import {ViewController} from '../nav/view-controller';
 import {ScrollView} from '../../util/scroll-view';
 
@@ -198,8 +198,8 @@ export class Content extends Ion {
 
       lastScrollTop = currentScrollTop;
 
-      raf(() => {
+      nativeRaf(() => {
-        raf(next);
+        nativeRaf(next);
       });
     }
 

ionic/components/img/img.ts

@@ -1,6 +1,6 @@
 import {Component, Input, ElementRef, ChangeDetectionStrategy, ViewEncapsulation, NgZone} from 'angular2/core';
 
-import {raf} from '../../util/dom';
+import {nativeRaf} from '../../util/dom';
 import {isPresent} from '../../util/util';
 import {Platform} from '../../platform/platform';
 
@@ -62,7 +62,7 @@ export class Img {
           img.addEventListener('load', () => {
             if (img.src === this._normalizeSrc) {
               this._elementRef.nativeElement.appendChild(img);
-              raf(() => {
+              nativeRaf(() => {
                 this._update();
               });
             }

ionic/components/input/native-input.ts

@@ -2,7 +2,7 @@ import {Directive, Attribute, ElementRef, Renderer, Input, Output, EventEmitter,
 import {NgControl} from 'angular2/common';
 
 import {Config} from '../../config/config';
-import {CSS, hasFocus, raf}  from '../../util/dom';
+import {CSS, hasFocus}  from '../../util/dom';
 
 
 /**

ionic/components/item/item-sliding-gesture.ts

@@ -2,7 +2,7 @@ import {DIRECTION_RIGHT} from '../../gestures/hammer';
 import {DragGesture} from '../../gestures/drag-gesture';
 import {List} from '../list/list';
 
-import {CSS, raf, closest} from '../../util/dom';
+import {CSS, nativeRaf, closest} from '../../util/dom';
 
 
 export class ItemSlidingGesture extends DragGesture {
@@ -108,7 +108,7 @@ export class ItemSlidingGesture extends DragGesture {
       itemData.hasMouseOut = true;
     }
 
-    raf(() => {
+    nativeRaf(() => {
       if (!this.dragEnded && !this.preventDrag) {
         isItemActive(itemContainerEle, true);
         this.open(itemContainerEle, newX, false);
@@ -146,7 +146,7 @@ export class ItemSlidingGesture extends DragGesture {
     itemContainerEle.removeEventListener('mouseout', this.onMouseOut);
     itemData.hasMouseOut = false;
 
-    raf(() => {
+    nativeRaf(() => {
       this.open(itemContainerEle, restingPoint, true);
     });
   }

ionic/components/nav/nav-controller.ts

@@ -8,7 +8,6 @@ import {Keyboard} from '../../util/keyboard';
 import {NavParams} from './nav-params';
 import {pascalCaseToDashCase, isBlank} from '../../util/util';
 import {Portal} from './nav-portal';
-import {raf} from '../../util/dom';
 import {SwipeBackGesture} from './swipe-back';
 import {Transition} from '../../transitions/transition';
 import {ViewController} from './view-controller';

ionic/components/tap-click/activator.ts

@@ -1,4 +1,4 @@
-import {raf, rafFrames} from '../../util/dom';
+import {rafFrames} from '../../util/dom';
 
 
 export class Activator {

ionic/components/tap-click/ripple.ts

@@ -1,5 +1,5 @@
 import {Activator} from './activator';
-import {CSS, raf, rafFrames} from '../../util/dom';
+import {CSS, nativeRaf, rafFrames} from '../../util/dom';
 const win: any = window;
 
 
@@ -22,7 +22,7 @@ export class RippleActivator extends Activator {
     self._queue.push(activatableEle);
 
     this._zone.runOutsideAngular(function() {
-      raf(function() {
+      nativeRaf(function() {
         var i;
 
         for (i = 0; i < self._queue.length; i++) {

ionic/components/tap-click/tap-click.ts

@@ -137,7 +137,7 @@ export class TapClick {
 
   pointerEnd(ev) {
     let activatableEle = getActivatableTarget(ev.target);
-    if (activatableEle) {
+    if (activatableEle && this.startCoord) {
       this.activator && this.activator.upAction(ev, activatableEle, this.startCoord.x, this.startCoord.y);
     }
     this.moveListeners(false);

ionic/components/virtual-scroll/virtual-scroll.ts

@@ -8,7 +8,7 @@ import {VirtualItem, VirtualHeader, VirtualFooter} from './virtual-item';
 import {VirtualCell, VirtualNode, VirtualData} from './virtual-util';
 import {processRecords, populateNodeData, initReadNodes, writeToNodes, updateDimensions, adjustRendered, calcDimensions, estimateHeight} from './virtual-util';
 import {isBlank, isPresent, isFunction} from '../../util/util';
-import {rafFrames, raf, cancelRaf, pointerCoord, nativeTimeout, clearNativeTimeout} from '../../util/dom';
+import {rafFrames, nativeRaf, cancelRaf, pointerCoord, nativeTimeout, clearNativeTimeout} from '../../util/dom';
 import {Img} from '../img/img';
 
 
@@ -391,7 +391,7 @@ export class VirtualScroll implements DoCheck, AfterContentInit, OnDestroy {
           // oh no! the DOM doesn't have good data yet!
           // let's try again in XXms, and give up eventually if we never get data
           attempts++;
-          raf(function() {
+          nativeRaf(function() {
             readDimensions(done);
           });
         }
@@ -439,7 +439,7 @@ export class VirtualScroll implements DoCheck, AfterContentInit, OnDestroy {
     this._cd.detectChanges();
 
     // wait a frame before trying to read and calculate the dimensions
-    raf(this.postRenderVirtual.bind(this));
+    nativeRaf(this.postRenderVirtual.bind(this));
   }
 
   /**

ionic/util/dom.ts

@@ -25,7 +25,10 @@
 })();
 
 // use native raf rather than the zone wrapped one
-export const raf = (window[window['Zone']['__symbol__']('requestAnimationFrame')] || window[window['Zone']['__symbol__']('webkitRequestAnimationFrame')])['bind'](window);
+export const nativeRaf = (window[window['Zone']['__symbol__']('requestAnimationFrame')] || window[window['Zone']['__symbol__']('webkitRequestAnimationFrame')])['bind'](window);
+
+// zone wrapped raf
+export const raf = window.requestAnimationFrame.bind(window);
 export const cancelRaf = window.cancelAnimationFrame.bind(window);
 
 export const nativeTimeout = window[window['Zone']['__symbol__']('setTimeout')]['bind'](window);
@@ -35,11 +38,11 @@ export function rafFrames(framesToWait, callback) {
   framesToWait = Math.ceil(framesToWait);
 
   if (framesToWait < 2) {
-    raf(callback);
+    nativeRaf(callback);
 
   } else {
     nativeTimeout(() => {
-      raf(callback);
+      nativeRaf(callback);
     }, (framesToWait - 1) * 16.6667);
   }
 }

ionic/util/keyboard.ts

@@ -2,7 +2,7 @@ import {Injectable, NgZone} from 'angular2/core';
 
 import {Config} from '../config/config';
 import {Form} from './form';
-import {hasFocusedTextInput, raf, rafFrames, nativeTimeout} from './dom';
+import {hasFocusedTextInput, nativeRaf, rafFrames, nativeTimeout} from './dom';
 
 /**
  * @name Keyboard
@@ -109,7 +109,7 @@ export class Keyboard {
  */
   close() {
     console.debug('keyboard close()');
-    raf(() => {
+    nativeRaf(() => {
       if (hasFocusedTextInput()) {
         // only focus out when a text input has focus
         this._form.focusOut();
@@ -137,7 +137,7 @@ export class Keyboard {
     let isKeyInputEnabled = false;
 
     function cssClass() {
-      raf(() => {
+      nativeRaf(() => {
         document.body.classList[isKeyInputEnabled ? 'add' : 'remove']('focus-outline');
       });
     }

ionic/util/scroll-view.ts

@@ -1,4 +1,4 @@
-import {CSS, pointerCoord, raf, cancelRaf} from '../util/dom';
+import {CSS, pointerCoord, nativeRaf, cancelRaf} from '../util/dom';
 
 
 export class ScrollView {
@@ -84,7 +84,7 @@ export class ScrollView {
         }
 
         if (easedT < 1) {
-          raf(step);
+          nativeRaf(step);
 
         } else {
           // done
@@ -96,9 +96,9 @@ export class ScrollView {
       self.isPlaying = true;
 
       // chill out for a frame first
-      raf(() => {
+      nativeRaf(() => {
         startTime = Date.now();
-        raf(step);
+        nativeRaf(step);
       });
 
     });
@@ -232,7 +232,7 @@ export class ScrollView {
         // ******** DOM READ ****************
         this._setMax();
 
-        this._rafId = raf(this._decelerate.bind(this));
+        this._rafId = nativeRaf(this._decelerate.bind(this));
       }
     }
 
@@ -260,7 +260,7 @@ export class ScrollView {
       self.setTop(self._top);
 
       if (self._top > 0 && self._top < self._max && Math.abs(self._velocity) > MIN_VELOCITY_CONTINUE_DECELERATION) {
-        self._rafId = raf(self._decelerate.bind(self));
+        self._rafId = nativeRaf(self._decelerate.bind(self));
       }
     }
   }