https://pupwife.com/projects/chatroom/scripts/onlineIndicator.js

1/**
2 * Online Indicator — site-wide tab presence (uses PupwifePresenceClient).
3 * Skips init on chatroom.html (ChatroomPresence owns that page).
4 */
5
6window.ChatroomOnlineIndicator = (function() {
7    'use strict';
8
9    function emitDevLog() {
10        if (typeof window !== 'undefined' && typeof window.devLog === 'function') {
11            window.devLog.apply(window, arguments);
12        }
13    }
14
15    let disposeTab = null;
16    let isInitialized = false;
17
18    function isChatroomPage() {
19        try {
20            return /chatroom\.html/i.test(window.location.pathname || '');
21        } catch (e) {
22            return false;
23        }
24    }
25
26    function waitForPresenceClient(cb, attempts) {
27        attempts = attempts || 0;
28        if (window.PupwifePresenceClient && window.PupwifePresenceClient.startTabPresence) {
29            cb();
30            return;
31        }
32        if (attempts > 80) return;
33        setTimeout(function() { waitForPresenceClient(cb, attempts + 1); }, 50);
34    }
35
36    function init() {
37        if (isInitialized) return;
38        if (isChatroomPage()) {
39            return;
40        }
41        if (typeof firebase === 'undefined' || !firebase.database) {
42            setTimeout(init, 100);
43            return;
44        }
45
46        waitForPresenceClient(function() {
47            if (isInitialized) return;
48
49            const checkUsername = setInterval(function() {
50                if (window.__sharedUsername) {
51                    const u = window.__sharedUsername.get();
52                    if (u) {
53                        clearInterval(checkUsername);
54                        setupPresence(u);
55                        isInitialized = true;
56                    }
57                }
58            }, 100);
59
60            setTimeout(function() {
61                clearInterval(checkUsername);
62                if (!isInitialized && window.__sharedUsername) {
63                    const u = window.__sharedUsername.get();
64                    if (u) {
65                        setupPresence(u);
66                        isInitialized = true;
67                    }
68                }
69            }, 5000);
70        });
71    }
72
73    function setupPresence(currentUsername) {
74        if (!currentUsername || !window.PupwifePresenceClient) return;
75
76        if (disposeTab) {
77            try { disposeTab(); } catch (e) {}
78            disposeTab = null;
79        }
80
81        disposeTab = window.PupwifePresenceClient.startTabPresence({ username: currentUsername });
82
83        window.addEventListener('beforeunload', function() {
84            if (disposeTab) {
85                try { disposeTab(); } catch (e) {}
86            }
87        });
88
89        emitDevLog('✅ Online indicator (tab presence) initialized for:', currentUsername);
90    }
91
92    function getUsername() {
93        return window.__sharedUsername ? window.__sharedUsername.get() : null;
94    }
95
96    function delayedInit() {
97        if (typeof firebase === 'undefined' || !firebase.database) {
98            setTimeout(delayedInit, 100);
99            return;
100        }
101        init();
102    }
103
104    if (document.readyState === 'loading') {
105        document.addEventListener('DOMContentLoaded', function() {
106            setTimeout(delayedInit, 500);
107        });
108    } else {
109        setTimeout(delayedInit, 500);
110    }
111
112    const publicAPI = {
113        getUsername: getUsername,
114        init: init
115    };
116
117    window.ChatroomOnlineIndicator = publicAPI;
118
119    return publicAPI;
120})();