Limit pointerevent move events to when a button is down

Fixes #37
googlearchive · Aug 11, 2014 · 57fb076 · 57fb076
1 parent 9f8e51b
commit 57fb076
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Showing 2 changed files with 12 additions and 12 deletions.
diff --git a/src/ms.js b/src/ms.js
@@ -19,9 +19,6 @@
       'MSPointerCancel',
     ],
     register: function(target) {
-      if (target !== document) {
-        return;
-      }
       dispatcher.listen(target, this.events);
     },
     unregister: function(target) {
@@ -53,9 +50,12 @@
       dispatcher.down(e);
     },
     MSPointerMove: function(inEvent) {
-      var e = this.prepareEvent(inEvent);
-      e.target = pointermap.get(e.pointerId);
-      dispatcher.move(e);
+      var target = pointermap.get(inEvent.pointerId);
+      if (target) {
+        var e = this.prepareEvent(inEvent);
+        e.target = target;
+        dispatcher.move(e);
+      }
     },
     MSPointerUp: function(inEvent) {
       var e = this.prepareEvent(inEvent);

diff --git a/src/pointer.js b/src/pointer.js
@@ -23,9 +23,6 @@
       return e;
     },
     register: function(target) {
-      if (target !== document) {
-        return;
-      }
       dispatcher.listen(target, this.events);
     },
     unregister: function(target) {
@@ -41,9 +38,12 @@
       dispatcher.down(e);
     },
     pointermove: function(inEvent) {
-      var e = this.prepareEvent(inEvent);
-      e.target = pointermap.get(e.pointerId);
-      dispatcher.move(e);
+      var target = pointermap.get(inEvent.pointerId);
+      if (target) {
+        var e = this.prepareEvent(inEvent);
+        e.target = target;
+        dispatcher.move(e);
+      }
     },
     pointerup: function(inEvent) {
       var e = this.prepareEvent(inEvent);