// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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.collide.client.editor;
import com.google.collide.client.editor.Buffer.ScrollListener;
import com.google.collide.client.editor.Editor.KeyListener;
import com.google.collide.client.util.UserActivityManager;
import com.google.collide.json.shared.JsonArray;
import com.google.collide.shared.util.JsonCollections;
import com.google.collide.shared.util.ListenerRegistrar;
import com.google.collide.shared.util.ListenerRegistrar.Remover;
import org.waveprotocol.wave.client.common.util.SignalEvent;
/**
* A class that listens to editor events to update the user activity manager on
* the user's status.
*
*/
public class EditorActivityManager {
private JsonArray<Remover> listenerRemovers = JsonCollections.createArray();
EditorActivityManager(final UserActivityManager userActivityManager,
ListenerRegistrar<ScrollListener> scrollListenerRegistrar,
ListenerRegistrar<KeyListener> keyListenerRegistrar) {
listenerRemovers.add(scrollListenerRegistrar.add(new ScrollListener() {
@Override
public void onScroll(Buffer buffer, int scrollTop) {
userActivityManager.markUserActive();
}
}));
listenerRemovers.add(keyListenerRegistrar.add(new KeyListener() {
@Override
public boolean onKeyPress(SignalEvent event) {
userActivityManager.markUserActive();
return false;
}
}));
}
void teardown() {
for (int i = 0, n = listenerRemovers.size(); i < n; i++) {
listenerRemovers.get(i).remove();
}
}
}