| // Copyright 2010 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| /** |
| * @fileoverview Browser capability checks for the dom package. |
| * |
| */ |
| |
| |
| goog.provide('goog.dom.BrowserFeature'); |
| |
| goog.require('goog.userAgent'); |
| |
| |
| /** |
| * Enum of browser capabilities. |
| * @enum {boolean} |
| */ |
| goog.dom.BrowserFeature = { |
| /** |
| * Whether attributes 'name' and 'type' can be added to an element after it's |
| * created. False in Internet Explorer prior to version 9. |
| */ |
| CAN_ADD_NAME_OR_TYPE_ATTRIBUTES: !goog.userAgent.IE || |
| goog.userAgent.isDocumentModeOrHigher(9), |
| |
| /** |
| * Whether we can use element.children to access an element's Element |
| * children. Available since Gecko 1.9.1, IE 9. (IE<9 also includes comment |
| * nodes in the collection.) |
| */ |
| CAN_USE_CHILDREN_ATTRIBUTE: !goog.userAgent.GECKO && !goog.userAgent.IE || |
| goog.userAgent.IE && goog.userAgent.isDocumentModeOrHigher(9) || |
| goog.userAgent.GECKO && goog.userAgent.isVersionOrHigher('1.9.1'), |
| |
| /** |
| * Opera, Safari 3, and Internet Explorer 9 all support innerText but they |
| * include text nodes in script and style tags. Not document-mode-dependent. |
| */ |
| CAN_USE_INNER_TEXT: ( |
| goog.userAgent.IE && !goog.userAgent.isVersionOrHigher('9')), |
| |
| /** |
| * MSIE, Opera, and Safari>=4 support element.parentElement to access an |
| * element's parent if it is an Element. |
| */ |
| CAN_USE_PARENT_ELEMENT_PROPERTY: goog.userAgent.IE || goog.userAgent.OPERA || |
| goog.userAgent.WEBKIT, |
| |
| /** |
| * Whether NoScope elements need a scoped element written before them in |
| * innerHTML. |
| * MSDN: http://msdn.microsoft.com/en-us/library/ms533897(VS.85).aspx#1 |
| */ |
| INNER_HTML_NEEDS_SCOPED_ELEMENT: goog.userAgent.IE, |
| |
| /** |
| * Whether we use legacy IE range API. |
| */ |
| LEGACY_IE_RANGES: goog.userAgent.IE && !goog.userAgent.isDocumentModeOrHigher(9) |
| }; |