refactor(blurFeature): use atachment fixed

jacklee20151 · Mar 1, 2016 · 85274b9 · 85274b9
1 parent 817e19e
commit 85274b9
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diff --git a/src/app/theme/components/baPanel/baPanelBlur.directive.js b/src/app/theme/components/baPanel/baPanelBlur.directive.js
@@ -26,7 +26,6 @@
         baPanelBlurHelper.bodyBgLoad().then(function() {
           setTimeout(recalculatePanelStyle);
         });
-        $document.on('scroll', recalculatePanelStyle);
         $window.addEventListener('resize', recalculatePanelStyle);
 
         $scope.$on('$destroy', function() {
@@ -37,10 +36,9 @@
           if (!bodyBgSize) {
             return;
           }
-          var position = elem[0].getBoundingClientRect();
           elem.css({
             backgroundSize: Math.round(bodyBgSize.width) + 'px ' + Math.round(bodyBgSize.height) + 'px',
-            backgroundPosition: Math.floor(-position.left + bodyBgSize.positionX) + 'px ' + Math.floor(-position.top + bodyBgSize.positionY) + 'px'
+            backgroundPosition: Math.floor(bodyBgSize.positionX) + 'px ' + Math.floor(bodyBgSize.positionY) + 'px'
           });
         }
 

diff --git a/src/app/theme/components/baPanel/baPanelBlurHelper.service.js b/src/app/theme/components/baPanel/baPanelBlurHelper.service.js
@@ -39,7 +39,7 @@
         finalWidth = elemW;
         finalHeight = (elemW * imgRatio);
       }
-      return { width: finalWidth, height: finalHeight, positionX: (elemW - finalWidth) / 2, positionY: (elemH - finalHeight) / 2 };
+      return { width: finalWidth, height: finalHeight, positionX: (elemW - finalWidth)/2, positionY: (elemH - finalHeight)/2};
     };
   }