fix(refresher): PTR doesn't break after scrolling. Fixes #4753

Author: mlynch

Diff for: js/angular/controller/refresherController.js

@@ -49,12 +49,12 @@ IonicModule
     }
 
     function handleTouchend() {
+      // reset Y
+      startY = null;
       // if this wasn't an overscroll, get out immediately
       if (!canOverscroll && !isDragging) {
         return;
       }
-      // reset Y
-      startY = null;
       // the user has overscrolled but went back to native scrolling
       if (!isDragging) {
         dragOffset = 0;
@@ -104,6 +104,8 @@ IonicModule
       // if we've dragged up and back down in to native scroll territory
       if (deltaY - dragOffset <= 0 || scrollParent.scrollTop !== 0) {
 
+        console.log('NOT PULLING', deltaY, dragOffset, scrollParent.scrollTop);
+
         if (isOverscrolling) {
           isOverscrolling = false;
           setScrollLock(false);
@@ -120,6 +122,7 @@ IonicModule
         return;
 
       } else if (deltaY > 0 && scrollParent.scrollTop === 0 && !isOverscrolling) {
+        console.log('PULLING', deltaY, dragOffset, scrollParent.scrollTop, isOverscrolling);
         // starting overscroll, but drag started below scrollTop 0, so we need to offset the position
         dragOffset = deltaY;
       }

Diff for: test/unit/angular/controller/refreshController.unit.js

@@ -43,13 +43,17 @@ describe('$ionicRefresh Controller', function() {
     }).toThrow();
   });
 
-  it('should oversroll using CSS transforms', function() {
+  it('should overscroll using CSS transforms', function() {
     setup();
 
+    function getTy(el) {
+      return parseInt(el.style[ionic.CSS.TRANSFORM].replace('translateY(', ''));
+    }
+
     ctrl.__handleTouchmove(evt(0));
     ctrl.__handleTouchmove(evt(10));
     ctrl.__handleTouchmove(evt(20));
-    expect(ctrl.__getScrollChild().style[ionic.CSS.TRANSFORM]).toBe('translateY(3px)');
+    expect(getTy(ctrl.__getScrollChild())).toBe(3);
     expect(ctrl.__getScrollChild().classList.contains('overscroll')).toBe(true);
     expect(refresher.classList.contains('invisible')).toBe(false);
   });
@@ -70,6 +74,9 @@ describe('$ionicRefresh Controller', function() {
   });
 
   it('should activate and deactivate when dragging past activation threshold', function() {
+    function getTy(el) {
+      return parseInt(el.style[ionic.CSS.TRANSFORM].replace('translateY(', ''));
+    }
     setup();
     var domMethods = ctrl.getRefresherDomMethods();
     spyOn(domMethods, 'activate');
@@ -78,7 +85,7 @@ describe('$ionicRefresh Controller', function() {
     ctrl.__handleTouchmove(evt(0));
     ctrl.__handleTouchmove(evt(10));
     ctrl.__handleTouchmove(evt(300));
-    expect(ctrl.__getScrollChild().style[ionic.CSS.TRANSFORM]).toBe('translateY(96px)');
+    expect(getTy(ctrl.__getScrollChild())).toBe(96);
     expect(ctrl.__getScrollChild().classList.contains('overscroll')).toBe(true);
     expect(refresher.classList.contains('invisible')).toBe(false);
     expect(refresher.classList.contains('active')).toBe(true);