/**
* Copyright (c) 2010-2014, openHAB.org and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.openhab.binding.enocean.internal.profiles;
import org.opencean.core.common.Parameter;
import org.opencean.core.common.ParameterAddress;
import org.opencean.core.common.values.ButtonState;
import org.opencean.core.common.values.Value;
import org.openhab.core.events.EventPublisher;
import org.openhab.core.items.Item;
import org.openhab.core.library.types.IncreaseDecreaseType;
import org.openhab.core.library.types.OnOffType;
import org.openhab.core.types.Command;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Bridge class to transform normal button behavior to a Dimmer "profile". A
* RockerSwitch can control with this profile a light dimmer.
*
* @author Thomas Letsch (contact@thomas-letsch.de)
* @since 1.3.0
*
*/
public class DimmerOnOffProfile extends BasicProfile {
private static final Logger logger = LoggerFactory.getLogger(StandardProfile.class);
private static final long SHORT_BUTTON_PRESS_TIME_RANGE = 300;
long buttonOPressedTime = 0;
long buttonIPressedTime = 0;
private DimmerThread dimmerThread;
public DimmerOnOffProfile(Item item, EventPublisher eventPublisher) {
super(item, eventPublisher);
}
@Override
public void valueChanged(ParameterAddress parameterAddress, Value valueObject) {
ButtonState buttonState = (ButtonState) valueObject;
Command command = null;
if (buttonDownPressed(parameterAddress)) {
switch (buttonState) {
case PRESSED:
startDimmerThread(IncreaseDecreaseType.INCREASE);
buttonOPressedTime = System.currentTimeMillis();
break;
case RELEASED:
stopDimmerThread();
if (isLongOButtonReleased()) {
buttonOPressedTime = 0;
} else {
command = OnOffType.ON;
}
break;
}
} else if (buttonUpPressed(parameterAddress)) {
switch (buttonState) {
case PRESSED:
startDimmerThread(IncreaseDecreaseType.DECREASE);
buttonIPressedTime = System.currentTimeMillis();
break;
case RELEASED:
stopDimmerThread();
if (isLongIButtonReleased()) {
buttonIPressedTime = 0;
} else {
command = OnOffType.OFF;
}
break;
}
}
postCommand(command);
}
private void stopDimmerThread() {
if (dimmerThread == null) {
return;
}
dimmerThread.stopRunning();
dimmerThread = null;
}
private void startDimmerThread(IncreaseDecreaseType type) {
stopDimmerThread();
dimmerThread = new DimmerThread(type);
dimmerThread.start();
}
private boolean buttonDownPressed(ParameterAddress parameterAddress) {
return Parameter.I.name().equals(parameterAddress.getParameterId());
}
private boolean buttonUpPressed(ParameterAddress parameterAddress) {
return Parameter.O.name().equals(parameterAddress.getParameterId());
}
private boolean isLongIButtonReleased() {
return (System.currentTimeMillis() - buttonIPressedTime) > SHORT_BUTTON_PRESS_TIME_RANGE;
}
private boolean isLongOButtonReleased() {
return (System.currentTimeMillis() - buttonOPressedTime) > SHORT_BUTTON_PRESS_TIME_RANGE;
}
private class DimmerThread extends Thread {
private static final int MAX_LOOPS = 10;
private static final long SLEEP_PERIOD_MS = 300;
private IncreaseDecreaseType command;
private boolean running = true;
private int currentLoop = 0;
public DimmerThread(IncreaseDecreaseType type) {
this.command = type;
setDaemon(true);
setName("DimmerThread");
}
public void stopRunning() {
running = false;
}
@Override
public void run() {
while (mayRun()) {
try {
Thread.sleep(SLEEP_PERIOD_MS);
} catch (InterruptedException e) {
logger.warn("DimmerThread got interrupted. This should not happen.", e);
}
if (!mayRun()) {
return;
}
logger.debug("Post new value {} for items {}", command, items);
postCommand(command);
}
}
private boolean mayRun() {
return running && (currentLoop++ <= MAX_LOOPS);
}
}
}