de-activate DragPan when window loosese focus

mapbox · Mar 9, 2017 · ce88d07 · ce88d07
1 parent 39c04a4
commit ce88d07
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/ui/handler/drag_pan.js b/src/ui/handler/drag_pan.js
@@ -84,6 +84,7 @@ class DragPanHandler {
             window.document.addEventListener('mousemove', this._onMove);
             window.document.addEventListener('mouseup', this._onMouseUp);
         }
+        window.addEventListener('blur', this._onMouseUp);
 
         this._active = false;
         this._startPos = this._pos = DOM.mousePos(this._el, e);
@@ -169,6 +170,7 @@ class DragPanHandler {
         this._onUp(e);
         window.document.removeEventListener('mousemove', this._onMove);
         window.document.removeEventListener('mouseup', this._onMouseUp);
+        window.removeEventListener('blur', this._onMouseUp);
     }
 
     _onTouchEnd(e) {
@@ -193,7 +195,7 @@ class DragPanHandler {
             if (e.ctrlKey) return true;
             const buttons = 1,  // left button
                 button = 0;   // left button
-            return (e.type === 'mousemove' ? e.buttons & buttons === 0 : e.button !== button);
+            return (e.type === 'mousemove' ? e.buttons & buttons === 0 : e.button && e.button !== button);
         }
     }