Listen to orientationChange event only on mobile

Author: pandamicro

Diff for: cocos2d/core/platform/CCEGLView.js

@@ -184,6 +184,10 @@ cc.EGLView = cc.Class.extend(/** @lends cc.view# */{
         _t._rpFixedWidth = new cc.ResolutionPolicy(_strategyer.EQUAL_TO_FRAME, _strategy.FIXED_WIDTH);
 
         _t._targetDensityDPI = cc.DENSITYDPI_HIGH;
+
+        if (sys.isMobile) {
+            window.addEventListener('orientationchange', this._orientationChange);
+        }
     },
 
     // Resize helper functions
@@ -276,14 +280,12 @@ cc.EGLView = cc.Class.extend(/** @lends cc.view# */{
             if (!this.__resizeWithBrowserSize) {
                 this.__resizeWithBrowserSize = true;
                 window.addEventListener('resize', this._resizeEvent);
-                window.addEventListener('orientationchange', this._orientationChange);
             }
         } else {
             //disable
             if (this.__resizeWithBrowserSize) {
                 this.__resizeWithBrowserSize = false;
                 window.removeEventListener('resize', this._resizeEvent);
-                window.removeEventListener('orientationchange', this._orientationChange);
             }
         }
     },