/**
* 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 org.waveprotocol.wave.client.editor.selection.html;
import com.google.gwt.dom.client.Node;
import org.waveprotocol.wave.model.document.util.FocusedPointRange;
import org.waveprotocol.wave.model.document.util.Point;
import org.waveprotocol.wave.model.document.util.PointRange;
/**
* Selection implementation that does nothing. This is for user agents where
* we are not providing proper editor support, such as mobile clients.
*
* @author danilatos@google.com (Daniel Danilatos)
*/
public class SelectionImplDisabled extends SelectionImpl {
/** {@inheritDoc} */
@Override
public void set(Point<Node> point) {
// Do nothing
}
/** {@inheritDoc} */
@Override
public void set(Point<Node> start, Point<Node> end) {
// Do nothing
}
/** {@inheritDoc} */
@Override
public void clear() {
// Do nothing
}
@Override
FocusedPointRange<Node> get() {
return null;
}
@Override
PointRange<Node> getOrdered() {
return null;
}
@Override
boolean isOrdered() {
return true;
}
@Override
boolean selectionExists() {
return false;
}
@Override
void restoreSelection() {
// Do nothing
}
@Override
void saveSelection() {
// Do nothing
}
}