]> git.wh0rd.org - tt-rss.git/blobdiff - tt-rss.js
exception handling in some code blocks
[tt-rss.git] / tt-rss.js
index 0af11bfca9d9a4e40e3f8b109c30f64a9ff32eac..94aad44d0677e5ba19a55e1b9a741e9823e11fc4 100644 (file)
--- a/tt-rss.js
+++ b/tt-rss.js
@@ -62,108 +62,99 @@ function dialog_refresh_callback() {
 
 function refetch_callback() {
        if (xmlhttp.readyState == 4) {
+               try {
 
-//             document.title = "Tiny Tiny RSS";
-
-               if (!xmlhttp.responseXML) {
-                       notify("refetch_callback: backend did not return valid XML");
-                       return;
-               }
+                       if (!xmlhttp.responseXML) {
+                               notify("refetch_callback: backend did not return valid XML");
+                               return;
+                       }
+               
+                       var reply = xmlhttp.responseXML.firstChild;
        
-               var reply = xmlhttp.responseXML.firstChild;
-
-               if (!reply) {
-                       notify("refetch_callback: backend did not return expected XML object");
-                       return;
-               } 
-
-               var error_code = reply.getAttribute("error-code");
+                       if (!reply) {
+                               notify("refetch_callback: backend did not return expected XML object");
+                               return;
+                       } 
        
-               if (error_code && error_code != 0) {
-                       return fatalError(error_code);
-               }
-
-               var f_document = window.frames["feeds-frame"].document;
-
-               for (var l = 0; l < reply.childNodes.length; l++) {
-                       var id = reply.childNodes[l].getAttribute("id");
-                       var ctr = reply.childNodes[l].getAttribute("counter");
-
-                       var feedctr = f_document.getElementById("FEEDCTR-" + id);
-                       var feedu = f_document.getElementById("FEEDU-" + id);
-                       var feedr = f_document.getElementById("FEEDR-" + id);
-
-/*                     TODO figure out how to update this from viewfeed.js->view()
-                       disabled for now...
-
-                       if (id == "global-unread") {
-                               global_unread = ctr;
-                       } */
-
-                       if (feedctr && feedu && feedr) {
-
-                               feedu.innerHTML = ctr;
+                       var error_code = reply.getAttribute("error-code");
+               
+                       if (error_code && error_code != 0) {
+                               return fatalError(error_code);
+                       }
+       
+                       var f_document = window.frames["feeds-frame"].document;
        
-                               if (ctr > 0) {
-                                       feedctr.className = "odd";
-                                       if (!feedr.className.match("Unread")) {
-                                               feedr.className = feedr.className + "Unread";
+                       for (var l = 0; l < reply.childNodes.length; l++) {
+                               var id = reply.childNodes[l].getAttribute("id");
+                               var ctr = reply.childNodes[l].getAttribute("counter");
+       
+                               var feedctr = f_document.getElementById("FEEDCTR-" + id);
+                               var feedu = f_document.getElementById("FEEDU-" + id);
+                               var feedr = f_document.getElementById("FEEDR-" + id);
+       
+       /*                      TODO figure out how to update this from viewfeed.js->view()
+                               disabled for now...
+       
+                               if (id == "global-unread") {
+                                       global_unread = ctr;
+                               } */
+       
+                               if (feedctr && feedu && feedr) {
+       
+                                       feedu.innerHTML = ctr;
+               
+                                       if (ctr > 0) {
+                                               feedctr.className = "odd";
+                                               if (!feedr.className.match("Unread")) {
+                                                       feedr.className = feedr.className + "Unread";
+                                               }
+                                       } else {
+                                               feedctr.className = "invisible";
+                                               feedr.className = feedr.className.replace("Unread", "");
                                        }
-                               } else {
-                                       feedctr.className = "invisible";
-                                       feedr.className = feedr.className.replace("Unread", "");
                                }
-                       }
-               }  
-
-               updateTitle("");
-               notify("All feeds updated.");
-
+                       }  
+       
+                       updateTitle("");
+                       notify("All feeds updated.");
+               } catch (e) {
+                       exception_error("refetch_callback", e);
+               }
        }
 }
 
 function backend_sanity_check_callback() {
 
        if (xmlhttp.readyState == 4) {
-               
-               if (!xmlhttp.responseXML) {
-                       fatalError(3);
-                       return;
-               }
-
-               var reply = xmlhttp.responseXML.firstChild;
-
-               if (!reply) {
-                       fatalError(3);
-                       return;
-               }
 
-               var error_code = reply.getAttribute("error-code");
+               try {
+               
+                       if (!xmlhttp.responseXML) {
+                               fatalError(3);
+                               return;
+                       }
        
-               if (error_code && error_code != 0) {
-                       return fatalError(error_code);
-               }
+                       var reply = xmlhttp.responseXML.firstChild;
+       
+                       if (!reply) {
+                               fatalError(3);
+                               return;
+                       }
+       
+                       var error_code = reply.getAttribute("error-code");
+               
+                       if (error_code && error_code != 0) {
+                               return fatalError(error_code);
+                       }
+       
+                       init_second_stage();
 
-               init_second_stage();
+               } catch (e) {
+                       exception_error("backend_sanity_check_callback", e);
+               }
        } 
 }
 
-/* wtf this is obsolete
-function updateFeed(feed_id) {
-
-       var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
-
-       if (xmlhttp_ready(xmlhttp)) {
-               xmlhttp.open("GET", query_str, true);
-               xmlhttp.onreadystatechange=feed_update_callback;
-               xmlhttp.send(null);
-       } else {
-               printLockingError();
-       }   
-
-}
-*/
-
 function scheduleFeedUpdate(force) {
 
        notify("Updating feeds in background...");
@@ -343,71 +334,63 @@ function genericSanityCheck() {
                fatalError(2);
        }
 
-/*     if (!xmlhttp) {
-               document.getElementById("headlines").innerHTML = 
-                       "<b>Fatal error:</b> This program requires XmlHttpRequest " + 
-                       "to function properly. Your browser doesn't seem to support it.";
-               return false;
-       }
-
-       setCookie("ttrss_vf_test", "TEST");
-       if (getCookie("ttrss_vf_test") != "TEST") {
-
-               document.getElementById("headlines").innerHTML = 
-                       "<b>Fatal error:</b> This program requires cookies " + 
-                       "to function properly. Your browser doesn't seem to support them.";
-
-               return false;
-       } */
-
        return true;
 }
 
 function init() {
 
-       disableContainerChildren("headlinesToolbar", true);
-
-       if (!genericSanityCheck()) 
-               return;
-
-       xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
-       xmlhttp.onreadystatechange=backend_sanity_check_callback;
-       xmlhttp.send(null);
-
-}
-
-function init_second_stage() {
-
-       setCookie("ttrss_vf_actfeed", "");
+       try {
 
-       updateFeedList(false, false);
-       document.onkeydown = hotkey_handler;
+               disableContainerChildren("headlinesToolbar", true);
 
-       var content = document.getElementById("content");
+               if (!genericSanityCheck()) 
+                       return;
 
-       if (getCookie("ttrss_vf_vmode")) {
-               var viewbox = document.getElementById("viewbox");
-               viewbox.value = getCookie("ttrss_vf_vmode");
-       }
+               xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
+               xmlhttp.onreadystatechange=backend_sanity_check_callback;
+               xmlhttp.send(null);
 
-       if (getCookie("ttrss_vf_limit")) {
-               var limitbox = document.getElementById("limitbox");
-               limitbox.value = getCookie("ttrss_vf_limit");
+       } catch (e) {
+               exception_error("init", e);
        }
+}
 
-//     if (getCookie("ttrss_vf_actfeed")) {
-//             viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
-//     }
-
-//     setTimeout("timeout()", 2*1000);
-//     scheduleFeedUpdate(true);
+function init_second_stage() {
 
-       var splash = document.getElementById("splash");
+       try {
 
-       if (splash) {
-               splash.style.display = "none";
+               setCookie("ttrss_vf_actfeed", "");
+       
+               updateFeedList(false, false);
+               document.onkeydown = hotkey_handler;
+       
+               var content = document.getElementById("content");
+       
+               if (getCookie("ttrss_vf_vmode")) {
+                       var viewbox = document.getElementById("viewbox");
+                       viewbox.value = getCookie("ttrss_vf_vmode");
+               }
+       
+               if (getCookie("ttrss_vf_limit")) {
+                       var limitbox = document.getElementById("limitbox");
+                       limitbox.value = getCookie("ttrss_vf_limit");
+               }
+       
+       //      if (getCookie("ttrss_vf_actfeed")) {
+       //              viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
+       //      }
+       
+       //      setTimeout("timeout()", 2*1000);
+       //      scheduleFeedUpdate(true);
+       
+               var splash = document.getElementById("splash");
+       
+               if (splash) {
+                       splash.style.display = "none";
+               }
+       } catch (e) {
+               exception_error("init_second_stage", e);
        }
-
 }
 
 function quickMenuGo() {