xhr transport added

[brisk.git] / web / commons.js

diff --git a/web/commons.js b/web/commons.js
index 77be887..75cabf4 100644 (file)
--- a/web/commons.js
+++ b/web/commons.js
@@ -1,7 +1,7 @@
 /*
  *  brisk - commons.js
  *
- *  Copyright (C) 2006-2011 Matteo Nastasi
+ *  Copyright (C) 2006-2012 Matteo Nastasi
  *                          mailto: nastasi@alternativeoutput.it 
  *                                  matteo.nastasi@milug.org
  *                          web: http://www.alternativeoutput.it
@@ -235,8 +235,10 @@ function safestatus(a)
 }
 
 function createXMLHttpRequest() {
-    try { return new ActiveXObject("Msxml2.XMLHTTP");    } catch(e) {}
-    try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {}
+    if (typeof(ActiveXObject) != 'undefined') { // Konqueror complain as unknown object
+        try { return new ActiveXObject("Msxml2.XMLHTTP");    } catch(e) {}
+        try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {}
+    }
     try { return new XMLHttpRequest();                   } catch(e) {}
     alert("XMLHttpRequest not supported");
     return null;
@@ -249,12 +251,12 @@ function send_mesg(mesg)
     
     // alert("xhr_wr: "+xhr_wr+"  is_conn: "+is_conn);
     xhr_wr.open('GET', 'index_wr.php?'+(is_conn ? 'sess='+sess+'&' : '')+'mesg='+mesg, (is_conn ? true : false));
+    xhr_wr.setRequestHeader("If-Modified-Since", new Date().toUTCString());
     xhr_wr.onreadystatechange = function() { return; };
-    if (typeof(console) == 'object') {
-        if (typeof(console.log) == 'function') {
+    if (typeof(g_debug) == 'number' && g_debug > 0
+        && typeof(console) == 'object' && typeof(console.log) == 'function') {
             var ldate = new Date();
             console.log(ldate.getTime()+':MESG:'+mesg);
-        }
     }
     xhr_wr.send(null);
 
@@ -330,6 +332,11 @@ function act_chatt(value)
 }
 
 /* Stat: ROOM */
+function act_ping()
+{
+    send_mesg("ping");
+}
+
 function act_sitdown(table)
 {
     send_mesg("sitdown|"+table);
@@ -425,7 +432,7 @@ function postact_logout()
 {
     // alert("postact_logout");
     try { 
-       xhr_rd.abort();
+       hstm.abort();
     } catch (e) {}
 
     // eraseCookie("sess");
@@ -693,6 +700,7 @@ function $(id) {
     return document.getElementById(id); 
 }
 
+
 function globst() {
     this.st = -1;
     this.st_loc = -1;
@@ -700,7 +708,29 @@ function globst() {
     this.comms  = new Array;
 }
 
+globst.prototype = {
+    st: -1,
+    st_loc: -1,
+    st_loc_new: -1,
+    comms: null,
+    sleep_hdl: null,
+
+    sleep: function(delay) {
+        st.st_loc_new++;
+
+        if (!this.the_end) {
+            this.sleep_hdl = setTimeout(function(obj){ if (obj.st_loc_new > obj.st_loc) { obj.st_loc++; obj.sleep_hdl = null; }},
+                                       delay, this);
+        }
+    },
 
+    abort: function() {
+        if (this.sleep_hdl != null) {
+            clearTimeout(this.sleep_hdl);
+            this.sleep_hdl = null;
+        }
+    }
+}
 
 function remark_step()
 {
@@ -854,54 +884,20 @@ function eraseCookie(name) {
        createCookie(name,"",-1);
 }
 
-var onunload_times = 0;
-
-
 function onbeforeunload_cb () {
     return("");
 }
 
-function onunload_cb_old () {
-    var u = 0;
-    
-    //    if (nonunload == true)
-    //     return true;
-    
-    if (onunload_times == 0) {
-        // MLANG "    Vuoi veramente abbandonare la briscola ?\n(clicca annulla o cancel se vuoi ricaricare la briscola)"
-       var res = window.confirm(mlang_commons['brileav'][g_lang]);
-       if (res == true) {
-           the_end = true; 
-           act_shutdown();
-           // while (1) 
-           //  u++;
-       }
-       else {
-           try {
-               document.location.href = self.location; //  = self.location;
-                // alert ("passiamo di qui"+self.location);
-                return (false);
-           } catch (e) {
-                // MLANG "Ripristino della briscola fallito, per non perdere la sessione ricaricare la pagina manualmente."
-               alert(mlang_commons['brireco'][g_lang]);
-           }
-       }
-       onunload_times++;
-    }
-    
-    return(false);
-}
-
 function onunload_cb () {
     
-    the_end = true; 
+    if (typeof(hstm) != "undefined")
+        hstm.the_end = true; 
 
     act_shutdown();
     
     return(false);
 }
 
-
 function room_checkspace(emme,tables,inpe)
 {
     nome = "<b>";
@@ -1093,3 +1089,85 @@ function set_checked_value(radioObj, newValue) {
                }
        }
 }
+
+function url_append_arg(url, name, value)
+{
+    var pos, sep, pref, rest;
+
+    if ((pos = url.indexOf('?'+name+'=')) == -1) {
+        pos = url.indexOf('&'+name+'=');
+    }
+    if (pos == -1) {
+        if ((pos = url.indexOf('?')) != -1)
+            sep = '&';
+        else
+            sep = '?';
+
+        return (url+sep+name+"="+encodeURIComponent(value));
+    }
+    else {
+        pref = url.substring(0, pos+1);
+        rest = url.substring(pos+1);
+        // alert("rest: "+rest+"  pos: "+pos);
+        if ((pos = rest.indexOf('&')) != -1) {
+            rest = rest.substring(pos);
+        }
+        else {
+            rest = "";
+        }
+        return (pref+name+"="+encodeURIComponent(value)+rest);
+    }
+}
+
+function url_append_args(url)
+{
+    var i, ret;
+
+    ret = url;
+    for (i = 1 ; i < arguments.length-1 ; i+= 2) {
+        ret = url_append_arg(ret, arguments[i], arguments[i+1]);
+    }
+
+    return (ret);
+}
+
+function url_complete(parent, url)
+{
+    var p, p2, rest;
+    var host = "", path = "";
+
+    // host extraction
+    p = parent.indexOf("://");
+    if (p > -1) {
+        rest = parent.substring(p+3);
+        p2 = rest.indexOf("/");
+        if (p2 > -1) {
+            host = parent.substring(0, p+3+p2);
+            rest = parent.substring(p+3+p2);
+        }
+        else {
+            host = rest;
+            rest = "";
+        }
+    }
+    else {
+        rest = parent;
+    }
+
+    // path extraction
+    p = rest.lastIndexOf("/");
+    if (p > -1) {
+        path = rest.substring(0, p+1);
+    }
+
+    // alert("host: ["+host+"]  path: ["+path+"]");
+    if (url.substring(0,6) == 'http:/' || url.substring(0,7) == 'https:/') {
+        return (url);
+    }
+    else if (url.substring(0,1) == '/') {
+        return (host+url);
+    }
+    else {
+        return (host+path+url);
+    }
+}