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improved repaint efficiency and fixed concurrent modification bug

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This commit is contained in:
Fredrik Osterlind 2012-06-05 13:16:09 +02:00
parent a8a3c7b01a
commit afcc7559a5
1 changed files with 24 additions and 14 deletions
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36
tools/cooja/java/se/sics/cooja/plugins/skins/TrafficVisualizerSkin.java
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@ -69,14 +69,16 @@ public class TrafficVisualizerSkin implements VisualizerSkin {
private Visualizer visualizer = null;
private AbstractRadioMedium radioMedium = null;
private ArrayList<RadioConnectionArrow> history = new ArrayList<RadioConnectionArrow>();
private ArrayList<RadioConnectionArrow> historyList = new ArrayList<RadioConnectionArrow>();
private RadioConnectionArrow[] history = null;
private Observer radioMediumObserver = new Observer() {
public void update(Observable obs, Object obj) {
RadioConnection last = radioMedium.getLastConnection();
if (last != null && history.size() < MAX_HISTORY_SIZE) {
history.add(new RadioConnectionArrow(last));
visualizer.repaint();
if (last != null && historyList.size() < MAX_HISTORY_SIZE) {
historyList.add(new RadioConnectionArrow(last));
history = historyList.toArray(new RadioConnectionArrow[0]);
visualizer.repaint(500);
}
}
};
@ -86,11 +88,11 @@ public class TrafficVisualizerSkin implements VisualizerSkin {
return;
}
if (history.size() > 0) {
if (historyList.size() > 0) {
boolean hasOld = false;
/* Increase age */
for (RadioConnectionArrow connArrow : history) {
for (RadioConnectionArrow connArrow : historyList) {
connArrow.increaseAge();
if(connArrow.getAge() >= connArrow.getMaxAge()) {
hasOld = true;
@ -99,15 +101,16 @@ public class TrafficVisualizerSkin implements VisualizerSkin {
/* Remove too old arrows */
if (hasOld) {
RadioConnectionArrow[] historyArr = history.toArray(new RadioConnectionArrow[0]);
RadioConnectionArrow[] historyArr = historyList.toArray(new RadioConnectionArrow[0]);
for (RadioConnectionArrow connArrow : historyArr) {
if(connArrow.getAge() >= connArrow.getMaxAge()) {
history.remove(connArrow);
historyList.remove(connArrow);
}
}
historyArr = historyList.toArray(new RadioConnectionArrow[0]);
}
visualizer.repaint();
visualizer.repaint(500);
}
/* Reschedule myself */
@ -120,10 +123,12 @@ public class TrafficVisualizerSkin implements VisualizerSkin {
this.simulation = simulation;
this.visualizer = vis;
this.active = true;
history.clear();
simulation.invokeSimulationThread(new Runnable() {
public void run() {
historyList.clear();
history = null;
/* Start observing radio medium for transmissions */
radioMedium.addRadioMediumObserver(radioMediumObserver);
@ -179,8 +184,11 @@ public class TrafficVisualizerSkin implements VisualizerSkin {
}
public void paintBeforeMotes(Graphics g) {
RadioConnectionArrow[] historyArr = history.toArray(new RadioConnectionArrow[0]);
for (RadioConnectionArrow connArrow : historyArr) {
RadioConnectionArrow[] historyCopy = history;
if (historyCopy == null) {
return;
}
for (RadioConnectionArrow connArrow : historyCopy) {
float colorHistoryIndex = (float)connArrow.getAge() / (float)connArrow.getMaxAge();
g.setColor(new Color(colorHistoryIndex, colorHistoryIndex, 1.0f));
Radio source = connArrow.getConnection().getSource();
@ -203,14 +211,16 @@ public class TrafficVisualizerSkin implements VisualizerSkin {
private static class RadioConnectionArrow {
private RadioConnection conn;
private int age;
private final int MAX_AGE = 10;
private static final int MAX_AGE = 10;
RadioConnectionArrow(RadioConnection conn) {
this.conn = conn;
this.age = 0;
}
public void increaseAge() {
if (age < MAX_AGE) {
age++;
}
}
public int getAge() {
return age;
}