hairlines body css polyfill

ionic/components/action-menu/action-menu.scss

@@ -52,8 +52,7 @@ $action-menu-options-border-color:      #d1d3d6 !default;
   width: auto;
   overflow: hidden;
 
-  button,
-  [button] {
+  button {
     display: block;
     padding: 1px;
     width: 100%;
@@ -69,8 +68,7 @@ $action-menu-options-border-color:      #d1d3d6 !default;
     }
   }
 
-  button.activated,
-  [button].activated {
+  button.activated {
     box-shadow: none;
     border-color: $action-menu-options-border-color;
     color: $action-menu-options-text-color;
@@ -94,12 +92,11 @@ $action-menu-options-border-color:      #d1d3d6 !default;
   background-color: #fff;
   overflow: hidden;
 
-  button,
-  [button] {
+  button {
     border-width: 1px 0px 0px 0px;
   }
-  button:first-child:last-child,
-  [button]:first-child:last-child {
+
+  button:first-child:last-child {
     border-width: 0;
   }
 }
@@ -108,21 +105,6 @@ $action-menu-options-border-color:      #d1d3d6 !default;
   background: $action-menu-options-bg-color;
 }
 
-.action-menu-cancel {
-  button,
-  [button] {
+.action-menu-cancel button {
   font-weight: 500;
 }
-}
-
-.action-menu-open {
-  pointer-events: none;
-
-  &.modal-open .modal {
-    pointer-events: none;
-  }
-
-  .action-menu-backdrop {
-    pointer-events: auto;
-  }
-}

ionic/components/action-menu/extensions/ios.scss

@@ -57,7 +57,7 @@ $action-menu-ios-icon-font-size:           1.4em !default;
     background: $action-menu-ios-background-color;
     font-weight: 400;
 
-    @include hairline(bottom, $action-menu-ios-border-color);
+    border-bottom: 1px solid $action-menu-ios-border-color;
   }
 
   .action-menu-title {
@@ -86,15 +86,11 @@ $action-menu-ios-icon-font-size:           1.4em !default;
     border-bottom-right-radius: $action-menu-ios-border-radius;
   }
 
-  .action-menu-container icon {
-    display: flex;
-    align-items: center;
-    position: absolute;
-    top: 0;
-    left: 0;
-    height: 100%;
-    padding: 0 10px 2px;
-    font-size: $action-menu-ios-icon-font-size;
 }
 
+.hairlines .action-menu[mode="ios"] {
+  .action-menu-title,
+  .action-menu-option {
+    border-bottom-width: 0.5px;
+  }
 }

ionic/components/button/test/block/main.html

@@ -21,9 +21,4 @@
     <button block clear stable>button[block]</button>
   </p>
 
-  <p>
-    <a button block full danger>a[button][block][full][danger]</a>
-    <button block full clear danger>button[block][full][danger]</a>
-  </p>
-
 </div>

ionic/components/nav-bar/nav-bar.ts

@@ -1,4 +1,4 @@
-import {Directive, View, Parent, ElementRef, forwardRef} from 'angular2/angular2';
+import {Directive, View, Parent, Optional, ElementRef, forwardRef} from 'angular2/angular2';
 import {ProtoViewRef} from 'angular2/src/core/compiler/view_ref';
 
 import {ToolbarBase} from '../toolbar/toolbar';
@@ -45,11 +45,16 @@ import {ViewItem} from '../view/view-item';
   ]
 })
 export class Navbar extends ToolbarBase {
-  constructor(item: ViewItem, elementRef: ElementRef, config: IonicConfig, app: IonicApp) {
+  constructor(
+    elementRef: ElementRef,
+    config: IonicConfig,
+    app: IonicApp,
+    @Optional() item: ViewItem
+  ) {
     super(elementRef, config);
 
     this.app = app;
-    item.navbarView(this);
+    item && item.navbarView(this);
 
     this.bbClass = config.setting('backButtonIcon');
     this.bbDefault = config.setting('backButtonText');
@@ -83,7 +88,7 @@ export class Navbar extends ToolbarBase {
   }
 })
 class BackButton {
-  constructor(@Parent() navbar: Navbar, item: ViewItem, elementRef: ElementRef) {
+  constructor(@Parent() navbar: Navbar, @Optional() item: ViewItem, elementRef: ElementRef) {
     this.item = item;
     navbar.backButtonElement(elementRef);
   }
@@ -91,7 +96,7 @@ class BackButton {
   goBack(ev) {
     ev.stopPropagation();
     ev.preventDefault();
-    this.item.viewCtrl.pop();
+    this.item && this.item.viewCtrl.pop();
   }
 }
 
@@ -132,7 +137,7 @@ class NavbarItem {
   selector: 'template[navbar]'
 })
 export class NavbarTemplate {
-  constructor(item: ViewItem, protoViewRef: ProtoViewRef) {
-    item.addProtoViewRef('navbar', protoViewRef);
+  constructor(@Optional() item: ViewItem, protoViewRef: ProtoViewRef) {
+    item && item.addProtoViewRef('navbar', protoViewRef);
   }
 }

ionic/init.js

@@ -1,5 +1,18 @@
 
-(function(){
+(function(document){
+
+  // hairline polyfill
+  if (window.devicePixelRatio >= 2) {
+    var harlineEle = document.createElement('div');
+    harlineEle.style.border = '.5px solid transparent';
+    document.body.appendChild(harlineEle);
+
+    if (harlineEle.offsetHeight == 1) {
+      document.body.classList.add('hairlines');
+    }
+    document.body.removeChild(harlineEle);
+  }
+
 
   var ionicImport = System.import('ionic/components/app/app');
 
@@ -14,4 +27,4 @@
     importApp(ele[i].getAttribute('module'));
   }
 
-})();
+})(document);