]> git.wh0rd.org - tt-rss.git/blobdiff - tt-rss.js
exception handling in some code blocks
[tt-rss.git] / tt-rss.js
index 637895dc95e0802fdebb9401cb43e96b445a2d00..94aad44d0677e5ba19a55e1b9a741e9823e11fc4 100644 (file)
--- a/tt-rss.js
+++ b/tt-rss.js
@@ -1,20 +1,16 @@
-/*
-       This program is Copyright (c) 2003-2005 Andrew Dolgov <cthulhoo@gmail.com>              
-       Licensed under GPL v.2 or (at your preference) any later version.
-*/
-
 var xmlhttp = false;
 
 var total_unread = 0;
 var first_run = true;
 
-var search_query = "";
-var search_mode = "";
-
 var display_tags = false;
 
 var global_unread = 0;
 
+var active_title_text = "";
+
+var current_subtitle = "";
+
 /*@cc_on @*/
 /*@if (@_jscript_version >= 5)
 // JScript gives us Conditional compilation, we can cope with old IE versions.
@@ -66,72 +62,97 @@ 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;
-               }
-
-               var reply = xmlhttp.responseXML.firstChild;
-
-               if (!reply) {
-                       notify("refetch_callback: backend did not return expected XML object");
-                       return;
-               } 
-
-               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;
+                       if (!xmlhttp.responseXML) {
+                               notify("refetch_callback: backend did not return valid XML");
+                               return;
+                       }
+               
+                       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 (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 updateFeed(feed_id) {
+function backend_sanity_check_callback() {
 
-       var query_str = "backend.php?op=rpc&subop=updateFeed&feed=" + feed_id;
+       if (xmlhttp.readyState == 4) {
 
-       if (xmlhttp_ready(xmlhttp)) {
-               xmlhttp.open("GET", query_str, true);
-               xmlhttp.onreadystatechange=feed_update_callback;
-               xmlhttp.send(null);
-       } else {
-               printLockingError();
-       }   
+               try {
+               
+                       if (!xmlhttp.responseXML) {
+                               fatalError(3);
+                               return;
+                       }
+       
+                       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();
 
+               } catch (e) {
+                       exception_error("backend_sanity_check_callback", e);
+               }
+       } 
 }
 
 function scheduleFeedUpdate(force) {
@@ -140,7 +161,7 @@ function scheduleFeedUpdate(force) {
 
 //     document.title = "Tiny Tiny RSS - Updating...";
 
-       updateTitle("Updating...");
+       updateTitle("Updating");
 
        var query_str = "backend.php?op=rpc&subop=";
 
@@ -150,6 +171,16 @@ function scheduleFeedUpdate(force) {
                query_str = query_str + "updateAllFeeds";
        }
 
+       var omode;
+
+       if (display_tags) {
+               omode = "t";
+       } else {
+               omode = "fl";
+       }
+
+       query_str = query_str + "&omode=" + omode;
+
        if (xmlhttp_ready(xmlhttp)) {
                xmlhttp.open("GET", query_str, true);
                xmlhttp.onreadystatechange=refetch_callback;
@@ -193,7 +224,7 @@ function catchupAllFeeds() {
        feeds_frame.src = query_str;
 
        global_unread = 0;
-       updateTitle();
+       updateTitle("");
 
 }
 
@@ -201,109 +232,19 @@ function viewCurrentFeed(skip, subop) {
 
        if (getActiveFeedId()) {
                viewfeed(getActiveFeedId(), skip, subop);
+       } else {
+               disableContainerChildren("headlinesToolbar", false, document);
+               viewfeed(-1, skip, subop); // FIXME
        }
 }
 
 function viewfeed(feed, skip, subop) {
-
-//     notify("Loading headlines...");
-
-       enableHotkeys();
-
-       var searchbox = document.getElementById("searchbox");
-
-       if (searchbox) {
-               search_query = searchbox.value;
-       } else {
-               search_query = "";
-       } 
-
-       var searchmodebox = document.getElementById("searchmodebox");
-
-       if (searchmodebox) {
-               search_mode = searchmodebox.value;
-       } else {
-               search_mode = "";
-       }
-
-       setCookie("ttrss_vf_smode", search_mode);
-
-       var viewbox = document.getElementById("viewbox");
-
-       var view_mode;
-
-       if (viewbox) {
-               view_mode = viewbox[viewbox.selectedIndex].text;
-       } else {
-               view_mode = "All Posts";
-       }
-
-       setCookie("ttrss_vf_vmode", view_mode);
-
-       var limitbox = document.getElementById("limitbox");
-
-       var limit;
-
-       if (limitbox) {
-               limit = limitbox[limitbox.selectedIndex].text;
-               setCookie("ttrss_vf_limit", limit);
-       } else {
-               limit = "All";
-       }
-
-       setActiveFeedId(feed);
-
-       var f_doc = frames["feeds-frame"].document;
-
-//     f_doc.getElementById("ACTFEEDID").innerHTML = feed;
-
-       if (subop == "MarkAllRead") {
-
-               var feedr = f_doc.getElementById("FEEDR-" + feed);
-               var feedctr = f_doc.getElementById("FEEDCTR-" + feed);
-               
-               feedctr.className = "invisible";
-
-               if (feedr.className.match("Unread")) {
-                       feedr.className = feedr.className.replace("Unread", "");
-               }
-       }
-
-       var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
-               "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
-               "&view=" + param_escape(view_mode) + "&limit=" + limit + 
-               "&smode=" + param_escape(search_mode);
-
-       if (search_query != "") {
-               query = query + "&search=" + param_escape(search_query);
-       }
-       
-       var headlines_frame = parent.frames["headlines-frame"];
-
-       headlines_frame.location.href = query + "&addheader=true";
-
-       cleanSelected("feedsList");
-       var feedr = document.getElementById("FEEDR-" + feed);
-       if (feedr) {
-               feedr.className = feedr.className + "Selected";
-       }
-       
-       disableContainerChildren("headlinesToolbar", false, doc);
-
-       var btnMarkAsRead = document.getElementById("btnMarkFeedAsRead");
-
-       if (btnMarkAsRead && !isNumeric(feed)) {
-               btnMarkAsRead.disabled = true;
-               btnMarkAsRead.className = "disabledButton";
-       }
-
-//     notify("");
-
+       var f = window.frames["feeds-frame"];
+       f.viewfeed(feed, skip, subop);
 }
 
-
 function timeout() {
-       scheduleFeedUpdate(true);
+       scheduleFeedUpdate(false);
        setTimeout("timeout()", 1800*1000);
 }
 
@@ -343,12 +284,18 @@ function localHotkeyHandler(keycode) {
                return moveToPost('prev');
        } */
 
-       if (keycode == 82) {
+       if (keycode == 82) { // r
                return scheduleFeedUpdate(true);
        }
 
-       if (keycode == 85) {
-               return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
+       if (keycode == 85) { // u
+               if (getActiveFeedId()) {
+                       return viewfeed(getActiveFeedId(), 0, "ForceUpdate");
+               }
+       }
+
+       if (keycode == 65) { // a
+               return toggleDispRead();
        }
 
 //     notify("KC: " + keycode);
@@ -357,34 +304,34 @@ function localHotkeyHandler(keycode) {
 
 function updateTitle(s) {
        var tmp = "Tiny Tiny RSS";
-       
+
+       if (s && s.length > 0) {
+               current_subtitle = s;
+       }
+
        if (global_unread > 0) {
                tmp = tmp + " (" + global_unread + ")";
        }
 
        if (s) {
-               tmp = tmp + " - " + s;
+               tmp = tmp + " - " + current_subtitle;
+       }
+
+       if (active_title_text.length > 0) {
+               tmp = tmp + " > " + active_title_text;
        }
+
        document.title = tmp;
 }
 
 function genericSanityCheck() {
 
-       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;
-       }
+       if (!xmlhttp) fatalError(1);
 
        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;
+               fatalError(2);
        }
 
        return true;
@@ -392,52 +339,80 @@ function genericSanityCheck() {
 
 function init() {
 
-       disableContainerChildren("headlinesToolbar", true);
-
-       if (!genericSanityCheck()) 
-               return;
-
-       setCookie("ttrss_vf_actfeed", "");
+       try {
 
-       updateFeedList(false, false);
-       document.onkeydown = hotkey_handler;
+               disableContainerChildren("headlinesToolbar", true);
 
-       setTimeout("timeout()", 1800*1000);
-       scheduleFeedUpdate(true);
+               if (!genericSanityCheck()) 
+                       return;
 
-       var content = document.getElementById("content");
+               xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
+               xmlhttp.onreadystatechange=backend_sanity_check_callback;
+               xmlhttp.send(null);
 
-       if (getCookie("ttrss_vf_vmode")) {
-               var viewbox = document.getElementById("viewbox");
-               viewbox.value = getCookie("ttrss_vf_vmode");
+       } catch (e) {
+               exception_error("init", e);
        }
+}
 
-       if (getCookie("ttrss_vf_limit")) {
-               var limitbox = document.getElementById("limitbox");
-               limitbox.value = getCookie("ttrss_vf_limit");
-       }
+function init_second_stage() {
 
-//     if (getCookie("ttrss_vf_actfeed")) {
-//             viewfeed(getCookie("ttrss_vf_actfeed"), 0, '');
-//     }
+       try {
 
+               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() {
-       var chooser = document.getElementById("quickMenuChooser");
 
-       var opname = chooser[chooser.selectedIndex].text;
+       var chooser = document.getElementById("quickMenuChooser");
+       var opid = chooser[chooser.selectedIndex].id;
 
-       if (opname.match("Preferences")) {
+       if (opid == "qmcPrefs") {
                gotoPreferences();
        }
 
-       if (opname.match("Add new feed")) {
+       if (opid == "qmcAdvSearch") {
+               displayDlg("search");
+               return;
+       }
+
+       if (opid == "qmcAddFeed") {
                displayDlg("quickAddFeed");
                return;
        }
 
-       if (opname.match("Remove this feed")) {
+       if (opid == "qmcRemoveFeed") {
                var actid = getActiveFeedId();
 
                if (!actid) {
@@ -449,6 +424,21 @@ function quickMenuGo() {
                return;
        }
 
+       if (opid == "qmcUpdateFeeds") {
+               scheduleFeedUpdate(true);
+               return;
+       }
+
+       if (opid == "qmcCatchupAll") {
+               catchupAllFeeds();
+               return;
+       }
+
+       if (opid == "qmcShowOnlyUnread") {
+               toggleDispRead();
+               return;
+       }
+
 }
 
 function qafAdd() {
@@ -505,5 +495,51 @@ function qfdDelete(feed_id) {
        xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids=" + feed_id);
        xmlhttp.onreadystatechange=dlg_frefresh_callback;
        xmlhttp.send(null);
+}
+
+
+function allFeedsMenuGo() {
+       var chooser = document.getElementById("allFeedsChooser");
 
+       var opname = chooser[chooser.selectedIndex].text;
+
+       if (opname == "Update") {
+               scheduleFeedUpdate(true);
+               return;
+       }
+
+       if (opname == "Mark as read") {
+               catchupAllFeeds();
+               return;
+       }
+
+       if (opname == "Show only unread") {
+               toggleDispRead();
+               return;
+       }
+
+}
+
+function updateFeedTitle(t) {
+       active_title_text = t;
+       updateTitle();
 }
+
+function toggleDispRead() {
+       var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
+
+       hide_read_feeds = !hide_read_feeds;
+
+       var feeds_doc = window.frames["feeds-frame"].document;
+
+       hideOrShowFeeds(feeds_doc, hide_read_feeds);
+
+       if (hide_read_feeds) {
+               setCookie("ttrss_vf_hreadf", 1);
+       } else {
+               setCookie("ttrss_vf_hreadf", 0);
+       }
+
+}
+
+