Index: samples/swarm/swarm_ui_lib/touch/Scroller.dart |
diff --git a/samples/swarm/swarm_ui_lib/touch/Scroller.dart b/samples/swarm/swarm_ui_lib/touch/Scroller.dart |
index df049a27dac8374e08107829c6999870ef0eb6e7..d3e41f615be8866294703b75a8096cb1fd8e9467 100644 |
--- a/samples/swarm/swarm_ui_lib/touch/Scroller.dart |
+++ b/samples/swarm/swarm_ui_lib/touch/Scroller.dart |
@@ -144,7 +144,7 @@ class Scroller implements Draggable, MomentumDelegate { |
_lookupContentSizeDelegate = lookupContentSizeDelegate, |
_element = scrollableElem, |
_frame = scrollableElem.parent, |
- _scrollTechnique = scrollTechnique !== null |
+ _scrollTechnique = scrollTechnique != null |
? scrollTechnique : ScrollerScrollTechnique.TRANSFORM_3D, |
_minPoint = new Coordinate(0, 0), |
_maxPoint = new Coordinate(0, 0), |
@@ -240,35 +240,35 @@ class Scroller implements Draggable, MomentumDelegate { |
} |
EventListenerList get onScrollerStart { |
- if (_onScrollerStart === null) { |
+ if (_onScrollerStart == null) { |
_onScrollerStart = new SimpleEventListenerList(); |
} |
return _onScrollerStart; |
} |
EventListenerList get onScrollerEnd { |
- if (_onScrollerEnd === null) { |
+ if (_onScrollerEnd == null) { |
_onScrollerEnd = new SimpleEventListenerList(); |
} |
return _onScrollerEnd; |
} |
EventListenerList get onScrollerDragEnd { |
- if (_onScrollerDragEnd === null) { |
+ if (_onScrollerDragEnd == null) { |
_onScrollerDragEnd = new SimpleEventListenerList(); |
} |
return _onScrollerDragEnd; |
} |
EventListenerList get onContentMoved { |
- if (_onContentMoved === null) { |
+ if (_onContentMoved == null) { |
_onContentMoved = new SimpleEventListenerList(); |
} |
return _onContentMoved; |
} |
EventListenerList get onDecelStart { |
- if (_onDecelStart === null) { |
+ if (_onDecelStart == null) { |
_onDecelStart = new SimpleEventListenerList(); |
} |
return _onDecelStart; |
@@ -280,7 +280,7 @@ class Scroller implements Draggable, MomentumDelegate { |
* notifications from this scroller. |
*/ |
void addScrollListener(ScrollListener listener) { |
- if (_scrollWatcher === null) { |
+ if (_scrollWatcher == null) { |
_scrollWatcher = new ScrollWatcher(this); |
_scrollWatcher.initialize(); |
} |
@@ -310,7 +310,7 @@ class Scroller implements Draggable, MomentumDelegate { |
*/ |
Coordinate get currentTarget { |
Coordinate end = _momentum.destination; |
- if (end === null) { |
+ if (end == null) { |
end = _contentOffset; |
} |
return end; |
@@ -392,7 +392,7 @@ class Scroller implements Draggable, MomentumDelegate { |
* Returns the percent of the page scrolled horizontally. |
*/ |
num getHorizontalScrollPercent([num x = null]) { |
- x = x !== null ? x : _contentOffset.x; |
+ x = x != null ? x : _contentOffset.x; |
return (x - _minPoint.x) / (_maxPoint.x - _minPoint.x); |
} |
@@ -412,7 +412,7 @@ class Scroller implements Draggable, MomentumDelegate { |
* none is provided then the content's current y offset will be used. |
*/ |
num getVerticalScrollPercent([num y = null]) { |
- y = y !== null ? y : _contentOffset.y; |
+ y = y != null ? y : _contentOffset.y; |
return (y - _minPoint.y) / Math.max(1, _maxPoint.y - _minPoint.y); |
} |
@@ -542,7 +542,7 @@ class Scroller implements Draggable, MomentumDelegate { |
*/ |
void _resize(Callback callback) { |
window.requestLayoutFrame(() { |
- if (_lookupContentSizeDelegate !== null) { |
+ if (_lookupContentSizeDelegate != null) { |
_contentSize = _lookupContentSizeDelegate(); |
} else { |
_contentSize = new Size(_element.scrollWidth, _element.scrollHeight); |