Implemented idle condition

Time in seconds since the last activity by the user on any channel or query
window, including joins, parts, messages, and actions.  Notifications will
only be sent if the elapsed time is greater than this value.  A value of
0 (zero) will disable this condition.

README.md

@@ -90,6 +90,12 @@ Configuration
     Notifications will only be sent if the number of connected IRC clients is less than this
     value.  A value of 0 (zero) will disable this condition.
 
+*   `idle = 0`
+
+    Time in seconds since the last activity by the user on any channel or query window,
+    including joins, parts, messages, and actions.  Notifications will only be sent if the
+    elapsed time is greater than this value.  A value of 0 (zero) will disable this condition.
+
 *   `last_active = 180`
 
     Time in seconds since the last message sent by the user on that channel or query window.

notifo.cpp

@@ -40,12 +40,15 @@ class CNotifoMod : public CModule
 		// User agent to use
 		CString user_agent;
 
-		// Time last notification was sent
+		// Time last notification was sent for a given context
 		map <CString, unsigned int> last_notification_time;
 
-		// Time of last activity by user
+		// Time of last activity by user for a given context
 		map <CString, unsigned int> last_active_time;
 
+		// Time of last activity by user in any context
+		unsigned int idle_time;
+
 		// User object
 		CUser *user;
 
@@ -59,6 +62,7 @@ class CNotifoMod : public CModule
 			app = "ZNC";
 			crlf = "\r\n";
 
+			idle_time = time(NULL);
 			notifo_auth = "";
 			notifo_host = "api.notifo.com";
 			notifo_url = "/v1/send_notification";
@@ -74,6 +78,7 @@ class CNotifoMod : public CModule
 			// Notification conditions
 			defaults["away_only"] = "no";
 			defaults["client_count_less_than"] = "0";
+			defaults["idle"] = "0";
 			defaults["last_active"] = "180";
 			defaults["last_notification"] = "300";
 			defaults["nick_blacklist"] = "";
@@ -206,6 +211,19 @@ class CNotifoMod : public CModule
 			return false;
 		}
 
+		/**
+		 * Check if the idle condition is met.
+		 *
+		 * @return True if idle is zero or elapsed time is greater than idle
+		 */
+		bool idle()
+		{
+			unsigned int value = options["idle"].ToUInt();
+			unsigned int now = time(NULL);
+			return value == 0
+				|| idle_time + value < now;
+		}
+
 		/**
 		 * Check if the last_active condition is met.
 		 *
@@ -274,6 +292,7 @@ class CNotifoMod : public CModule
 			return away_only()
 				&& client_count_less_than()
 				&& highlight(message)
+				&& idle()
 				&& last_active(context)
 				&& last_notification(context)
 				&& nick_blacklist(nick)
@@ -290,6 +309,7 @@ class CNotifoMod : public CModule
 		{
 			CString context = nick.GetNick();
 			return away_only()
+				&& idle()
 				&& last_active(context)
 				&& last_notification(context)
 				&& nick_blacklist(nick)
@@ -416,7 +436,7 @@ class CNotifoMod : public CModule
 		 */
 		EModRet OnUserMsg(CString& target, CString& message)
 		{
-			last_active_time[target] = time(NULL);
+			last_active_time[target] = idle_time = time(NULL);
 			return CONTINUE;
 		}
 
@@ -428,7 +448,54 @@ class CNotifoMod : public CModule
 		 */
 		EModRet OnUserAction(CString& target, CString& message)
 		{
-			last_active_time[target] = time(NULL);
+			last_active_time[target] = idle_time = time(NULL);
+			return CONTINUE;
+		}
+
+		/**
+		 * Handle the user joining a channel.
+		 *
+		 * @param channel Channel name
+		 * @param key Channel key
+		 */
+		EModRet OnUserJoin(CString& channel, CString& key)
+		{
+			idle_time = time(NULL);
+			return CONTINUE;
+		}
+
+		/**
+		 * Handle the user parting a channel.
+		 *
+		 * @param channel Channel name
+		 * @param message Part message
+		 */
+		EModRet OnUserPart(CString& channel, CString& message)
+		{
+			idle_time = time(NULL);
+			return CONTINUE;
+		}
+
+		/**
+		 * Handle the user setting the channel topic.
+		 *
+		 * @param channel Channel name
+		 * @param topic Topic message
+		 */
+		EModRet OnUserTopic(CString& channel, CString& topic)
+		{
+			idle_time = time(NULL);
+			return CONTINUE;
+		}
+
+		/**
+		 * Handle the user requesting the channel topic.
+		 *
+		 * @param channel Channel name
+		 */
+		EModRet OnUserTopicRequest(CString& channel)
+		{
+			idle_time = time(NULL);
 			return CONTINUE;
 		}
 
@@ -553,6 +620,12 @@ class CNotifoMod : public CModule
 				table.SetCell("Condition", "client_count");
 				table.SetCell("Status", CString(client_count()));
 
+				unsigned int ago = time(NULL) - idle_time;
+
+				table.AddRow();
+				table.SetCell("Condition", "idle");
+				table.SetCell("Status", CString(ago) + " seconds");
+
 				PutModule(table);
 			}
 			// SEND command