| /* |
| * 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.user.client.ui.impl; |
| |
| import com.google.gwt.dom.client.Element; |
| |
| /** |
| * IE8 implementation of {@link com.google.gwt.user.client.ui.impl.FormPanelImpl}. |
| */ |
| public class FormPanelImplIE8 extends FormPanelImpl { |
| |
| @Override |
| public native void hookEvents(Element iframe, Element form, FormPanelImplHost listener) /*-{ |
| if (iframe) { |
| iframe.onreadystatechange = $entry(function() { |
| // If there is no __formAction yet, this is a spurious onreadystatechange |
| // generated when the iframe is first added to the DOM. |
| if (!iframe.__formAction) |
| return; |
| |
| if (iframe.readyState == 'complete') { |
| // If the iframe's contentWindow has not navigated to the expected action |
| // url, then it must be an error, so we ignore it. |
| listener.@com.google.gwt.user.client.ui.impl.FormPanelImplHost::onFrameLoad()(); |
| } |
| }); |
| } |
| |
| form.onsubmit = $entry(function() { |
| // Hang on to the form's action url, needed in the |
| // onload/onreadystatechange handler. |
| if (iframe) |
| iframe.__formAction = form.action; |
| return listener.@com.google.gwt.user.client.ui.impl.FormPanelImplHost::onFormSubmit()(); |
| }); |
| }-*/; |
| |
| @Override |
| public native void unhookEvents(Element iframe, Element form) /*-{ |
| if (iframe) |
| iframe.onreadystatechange = null; |
| form.onsubmit = null; |
| }-*/; |
| } |