001 package org.tynamo.conversations.components;
002
003 import org.apache.tapestry5.ComponentResources;
004 import org.apache.tapestry5.Link;
005 import org.apache.tapestry5.RenderSupport;
006 import org.apache.tapestry5.annotations.AfterRender;
007 import org.apache.tapestry5.annotations.Environmental;
008 import org.apache.tapestry5.annotations.IncludeJavaScriptLibrary;
009 import org.apache.tapestry5.annotations.Parameter;
010 import org.apache.tapestry5.ioc.annotations.Inject;
011 import org.apache.tapestry5.json.JSONObject;
012 import org.apache.tapestry5.services.Request;
013 import org.tynamo.conversations.ConversationAware;
014 import org.tynamo.conversations.services.ConversationManager;
015
016 @IncludeJavaScriptLibrary("ConversationModerator.js")
017 public class ConversationModerator {
018 private static final String eventName = "checkidle";
019
020 @Inject
021 private ComponentResources componentResources;
022
023 @Environmental
024 private RenderSupport renderSupport;
025
026 @Parameter("15")
027 private int idleCheck;
028
029 @Parameter("30")
030 private int warnBefore;
031
032 @Parameter(defaultPrefix = "literal")
033 private String warnBeforeHandler;
034
035 @Parameter(defaultPrefix = "literal")
036 private String endedHandler;
037
038 @Parameter("false")
039 private boolean keepAlive;
040
041 JSONObject onCheckidle() {
042 // FIXME check if keepalive is set
043 int nextCheckInSeconds = -1;
044 JSONObject object = new JSONObject();
045 String conversationId = conversationManager.getActiveConversation();
046 // Conversation still exists
047 if (conversationId != null) {
048 nextCheckInSeconds = conversationManager.getSecondsBeforeActiveConversationBecomesIdle();
049 // Shouldn't be negative.
050 if (nextCheckInSeconds < 0) return null;
051 if (componentResources.getContainer() instanceof ConversationAware) ((ConversationAware) componentResources.getContainer()).onIdleCheck();
052 // If keepalive is true, subtract 1 so conversation will be refreshed before end,
053 if ("true".equals(request.getParameter(ConversationManager.Parameters.keepalive.name()))) nextCheckInSeconds--;
054 else {
055 }
056 // Negative if warn is disabled
057 int warnInSeconds = Integer.valueOf(request.getParameter("warn"));
058 // add 1 , no keepalive
059 if (warnInSeconds < 0) nextCheckInSeconds++;
060 else {
061 warnInSeconds = nextCheckInSeconds - warnInSeconds;
062 // Change next check time for warn time or warn
063 if (warnInSeconds > 0) nextCheckInSeconds = warnInSeconds;
064 // limit how many times you trigger the warn
065 else if (warnInSeconds > -nextCheckInSeconds) object.put("warn", nextCheckInSeconds);
066
067 }
068 }
069
070 object.put("nextCheck", nextCheckInSeconds);
071 return object;
072 }
073
074 JSONObject onRefresh() {
075 return null;
076 }
077
078 JSONObject onEnd() {
079 conversationManager.endConversation(conversationManager.getActiveConversation());
080 return new JSONObject();
081 }
082
083 @Inject
084 private Request request;
085
086 @Inject
087 private ConversationManager conversationManager;
088
089 @AfterRender
090 public void afterRender() {
091 Link link = componentResources.createEventLink(eventName);
092 String baseURI = link.toAbsoluteURI();
093 int index = baseURI.indexOf(":" + eventName);
094 String defaultURIparameters = baseURI.substring(index + eventName.length() + 1);
095 defaultURIparameters += "".equals(defaultURIparameters) ? "?" : "&";
096 defaultURIparameters += ConversationManager.Parameters.keepalive.name() + "=";
097 baseURI = baseURI.substring(0, index + 1);
098
099 // System.out.println("Active conversation is " + conversationManager.getActiveConversation());
100 renderSupport.addScript(String.format("%s = new ConversationModerator('%s', '%s', %s, true, %s, %s, '%s', '%s');", componentResources.getId(), baseURI,
101 defaultURIparameters, keepAlive, idleCheck, warnBefore, warnBeforeHandler, endedHandler));
102 }
103
104 }