com.google.gwt.user.client.ui.impl.FormPanelImplIE8 Maven / Gradle / Ivy
/*
* 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.
[email protected]::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 [email protected]::onFormSubmit()();
});
}-*/;
@Override
public native void unhookEvents(Element iframe, Element form) /*-{
if (iframe)
iframe.onreadystatechange = null;
form.onsubmit = null;
}-*/;
}