/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.wavepanel.impl.edit;
import org.waveprotocol.wave.client.wavepanel.impl.focus.FocusFramePresenter;
import org.waveprotocol.wave.client.wavepanel.view.BlipView;
import org.waveprotocol.wave.client.wavepanel.view.ThreadView;
/**
* Curries the actions from {@link Actions} with blip/thread context from the
* focus frame.
*
* @author hearnden@google.com (David Hearnden)
*/
public final class FocusedActions {
private final FocusFramePresenter focus;
private final Actions actions;
/**
* Implements the wave panel's editing UI actions.
*
* @param focus focus-frame feature
* @param actions context-free actions
*/
public FocusedActions(FocusFramePresenter focus, Actions actions) {
this.focus = focus;
this.actions = actions;
}
void startEditing() {
BlipView blipUi = getBlipContext();
if (blipUi != null) {
actions.startEditing(blipUi);
}
}
void reply() {
BlipView blipUi = getBlipContext();
if (blipUi != null) {
actions.reply(blipUi);
}
}
void addContinuation() {
ThreadView threadUi = getThreadContext();
if (threadUi != null) {
actions.addContinuation(threadUi);
}
}
void deleteBlip() {
BlipView blipUi = getBlipContext();
if (blipUi != null) {
actions.delete(blipUi);
}
}
void deleteThread() {
ThreadView threadUi = getThreadContext();
if (threadUi != null) {
actions.delete(threadUi);
}
}
private BlipView getBlipContext() {
return focus.getFocusedBlip();
}
private ThreadView getThreadContext() {
return parentOf(getBlipContext());
}
private static ThreadView parentOf(BlipView blip) {
return blip != null ? blip.getParent() : null;
}
}