cache window dimensions

ionic/gestures/drag-gesture.ts

@@ -1,16 +1,13 @@
 import {Gesture} from 'ionic/gestures/gesture';
 import * as util from 'ionic/util';
-//import Hammer from 'hammer';
 
-/*
- * BUG(ajoslin): HammerJS 2.x does not have an alternative to HammerJS 1.x's
- * dragLockToAxis, so a vertical and horizontal gesture can happen at the same time.
- */
+
 export class DragGesture extends Gesture {
   constructor(element, opts = {}) {
     util.defaults(opts, {});
     super(element, opts);
   }
+
   listen() {
     super.listen();
     this.on('panstart', ev => {
@@ -33,6 +30,7 @@ export class DragGesture extends Gesture {
       // ev.stopPropagation()
     });
   }
+
   onDrag() {}
   onDragStart() {}
   onDragEnd() {}

ionic/gestures/slide-edge-gesture.ts

@@ -1,9 +1,11 @@
 import {SlideGesture} from 'ionic/gestures/slide-gesture';
-import * as util from 'ionic/util';
+import {defaults} from '../util/util';
+import {windowDimensions} from '../util/dom';
+
 
 export class SlideEdgeGesture extends SlideGesture {
   constructor(element: Element, opts: Object = {}) {
-    util.defaults(opts, {
+    defaults(opts, {
       edge: 'left',
       threshold: 50
     });
@@ -22,8 +24,8 @@ export class SlideEdgeGesture extends SlideGesture {
     return {
       left: 0,
       top: 0,
-      width: window.innerWidth,
-      height: window.innerHeight
+      width: windowDimensions().width,
+      height: windowDimensions().height
     };
   }