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/*
* 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 NativeEvent createKeyCodeEvent(Document doc, String type,
boolean ctrlKey, boolean altKey, boolean shiftKey, boolean metaKey,
int keyCode) /*-{
var evt = [email protected]::createKeyEvent(Lcom/google/gwt/dom/client/Document;Ljava/lang/String;ZZZZZZ)(doc, type, true, true, ctrlKey, altKey, shiftKey, metaKey);
evt.keyCode = keyCode;
return evt;
}-*/;
@Override
@Deprecated
public native NativeEvent createKeyEvent(Document doc, String type,
boolean canBubble, boolean cancelable, boolean ctrlKey, boolean altKey,
boolean shiftKey, boolean metaKey, int keyCode, int charCode) /*-{
var evt = [email protected]::createKeyEvent(Lcom/google/gwt/dom/client/Document;Ljava/lang/String;ZZZZZZ)(doc, type, canBubble, cancelable, ctrlKey, altKey, shiftKey, metaKey);
evt.keyCode = keyCode;
evt.which = charCode;
return evt;
}-*/;
@Override
public native NativeEvent createKeyPressEvent(Document doc,
boolean ctrlKey, boolean altKey, boolean shiftKey, boolean metaKey,
int charCode) /*-{
var evt = [email protected]::createKeyEvent(Lcom/google/gwt/dom/client/Document;Ljava/lang/String;ZZZZZZ)(doc, 'keypress', true, true, ctrlKey, altKey, shiftKey, metaKey);
evt.which = charCode;
return evt;
}-*/;
@Override
public native int eventGetCharCode(NativeEvent evt) /*-{
return evt.which || 0;
}-*/;
@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();
}-*/;
private native NativeEvent createKeyEvent(Document doc, String type,
boolean canBubble, boolean cancelable, boolean ctrlKey, boolean altKey,
boolean shiftKey, boolean metaKey) /*-{
// Opera fires KeyEvent instances but does not allow creating them.
// The best approximation is UIEvent here.
var evt = doc.createEvent('UIEvent');
evt.initUIEvent(type, canBubble, cancelable, null, 0);
evt.ctrlKey = ctrlKey;
evt.altKey = altKey;
evt.shiftKey = shiftKey;
evt.metaKey = metaKey;
return evt;
}-*/;
}
