| /* |
| * Copyright 2008 Google Inc. |
| * |
| * 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. |
| */ |
| package com.google.gwt.dom.client; |
| |
| /** |
| * Opera implementation of {@link com.google.gwt.user.client.impl.DOMImpl}. |
| */ |
| class DOMImplOpera extends DOMImplStandard { |
| |
| @Override |
| public native int eventGetMouseWheelVelocityY(NativeEvent evt) /*-{ |
| return evt.detail * 4 || 0; |
| }-*/; |
| |
| @Override |
| public native int getAbsoluteLeft(Element elem) /*-{ |
| var left = 0; |
| |
| // This intentionally excludes body and its ancestors |
| var curr = elem.parentNode; |
| while (curr && curr.offsetParent) { |
| // see https://bugs.opera.com/show_bug.cgi?id=249965 |
| // The net effect is that TR and TBODY elemnts report the scroll offsets |
| // of the BODY and HTML elements instead of 0. |
| if (curr.tagName != 'TR' && curr.tagName != 'TBODY') { |
| left -= curr.scrollLeft; |
| } |
| curr = curr.parentNode; |
| } |
| |
| while (elem) { |
| left += elem.offsetLeft; |
| elem = elem.offsetParent; |
| } |
| return left; |
| }-*/; |
| |
| @Override |
| public native int getAbsoluteTop(Element elem) /*-{ |
| var top = 0; |
| |
| // This intentionally excludes body and its ancestors |
| var curr = elem.parentNode; |
| while (curr && curr.offsetParent) { |
| // see getAbsoluteLeft() |
| if (curr.tagName != 'TR' && curr.tagName != 'TBODY') { |
| top -= curr.scrollTop; |
| } |
| curr = curr.parentNode; |
| } |
| |
| while (elem) { |
| top += elem.offsetTop; |
| elem = elem.offsetParent; |
| } |
| return top; |
| }-*/; |
| |
| @Override |
| public native void scrollIntoView(Element elem) /*-{ |
| elem.scrollIntoView(); |
| }-*/; |
| } |