From: Andrew Dolgov Date: Sat, 26 Nov 2005 10:06:56 +0000 (+0100) Subject: exception handling in some code blocks X-Git-Tag: schema_feature_freeze_for_1.1~77 X-Git-Url: https://git.wh0rd.org/?a=commitdiff_plain;h=7719618b297400f5bdc44b1be47f969ec582fb47;p=tt-rss.git exception handling in some code blocks --- diff --git a/feedlist.js b/feedlist.js index e8d79c6b..499705b6 100644 --- a/feedlist.js +++ b/feedlist.js @@ -1,104 +1,105 @@ function viewfeed(feed, skip, subop, doc) { + try { - if (!doc) doc = parent.document; - -// p_notify("Loading headlines..."); - - enableHotkeys(); - - var searchbox = doc.getElementById("searchbox"); - - if (searchbox) { - search_query = searchbox.value; - } else { - search_query = ""; - } - - var searchmodebox = doc.getElementById("searchmodebox"); - - var search_mode; + if (!doc) doc = parent.document; - if (searchmodebox) { - search_mode = searchmodebox[searchmodebox.selectedIndex].text; - } else { - search_mode = ""; - } - - setCookie("ttrss_vf_smode", search_mode); - - var viewbox = doc.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 = doc.getElementById("limitbox"); - - var limit; - - if (limitbox) { - limit = limitbox[limitbox.selectedIndex].text; - setCookie("ttrss_vf_limit", limit); - } else { - limit = "All"; - } - -// document.getElementById("ACTFEEDID").innerHTML = feed; - - setActiveFeedId(feed); - - if (subop == "MarkAllRead") { - - var feedr = document.getElementById("FEEDR-" + feed); - var feedctr = document.getElementById("FEEDCTR-" + feed); + enableHotkeys(); - feedctr.className = "invisible"; - - if (feedr.className.match("Unread")) { - feedr.className = feedr.className.replace("Unread", ""); + var searchbox = doc.getElementById("searchbox"); + + if (searchbox) { + search_query = searchbox.value; + } else { + search_query = ""; + } + + var searchmodebox = doc.getElementById("searchmodebox"); + + var search_mode; + + if (searchmodebox) { + search_mode = searchmodebox[searchmodebox.selectedIndex].text; + } else { + search_mode = ""; } - } - - 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"]; - -// alert(headlines_frame) - - headlines_frame.location.href = query + "&addheader=true"; - - cleanSelectedList("feedList"); - - var feedr = document.getElementById("FEEDR-" + feed); - if (feedr) { - feedr.className = feedr.className + "Selected"; - } + setCookie("ttrss_vf_smode", search_mode); - disableContainerChildren("headlinesToolbar", false, doc); - -/* var btnMarkAsRead = doc.getElementById("btnMarkFeedAsRead"); - - if (btnMarkAsRead && !isNumeric(feed)) { - btnMarkAsRead.disabled = true; - btnMarkAsRead.className = "disabledButton"; - } */ - -// notify(""); - + var viewbox = doc.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 = doc.getElementById("limitbox"); + + var limit; + + if (limitbox) { + limit = limitbox[limitbox.selectedIndex].text; + setCookie("ttrss_vf_limit", limit); + } else { + limit = "All"; + } + + // document.getElementById("ACTFEEDID").innerHTML = feed; + + setActiveFeedId(feed); + + if (subop == "MarkAllRead") { + + var feedr = document.getElementById("FEEDR-" + feed); + var feedctr = document.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"]; + + // alert(headlines_frame) + + headlines_frame.location.href = query + "&addheader=true"; + + cleanSelectedList("feedList"); + + var feedr = document.getElementById("FEEDR-" + feed); + if (feedr) { + feedr.className = feedr.className + "Selected"; + } + + disableContainerChildren("headlinesToolbar", false, doc); + + /* var btnMarkAsRead = doc.getElementById("btnMarkFeedAsRead"); + + if (btnMarkAsRead && !isNumeric(feed)) { + btnMarkAsRead.disabled = true; + btnMarkAsRead.className = "disabledButton"; + } */ + + // notify(""); + } catch (e) { + exception_error("viewfeed", e); + } } function localHotkeyHandler(keycode) { diff --git a/functions.js b/functions.js index d236c4e1..36aa8fd6 100644 --- a/functions.js +++ b/functions.js @@ -1,5 +1,10 @@ var hotkeys_enabled = true; +function exception_error(location, e) { + alert("Exception: " + e.name + "\nMessage: " + e.message + + "\nLocation: " + location); +} + function disableHotkeys() { hotkeys_enabled = false; } @@ -330,48 +335,51 @@ if (!xmlhttp_rpc && typeof XMLHttpRequest!='undefined') { function all_counters_callback() { if (xmlhttp_rpc.readyState == 4) { - - if (!xmlhttp_rpc.responseXML) { - notify("[all_counters_callback] backend did not return valid XML"); - return; - } - - var reply = xmlhttp_rpc.responseXML.firstChild; - - var f_document = parent.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); - - if (feedctr && feedu && feedr) { - - feedu.innerHTML = ctr; + try { + if (!xmlhttp_rpc.responseXML) { + notify("[all_counters_callback] backend did not return valid XML"); + return; + } + + var reply = xmlhttp_rpc.responseXML.firstChild; + + var f_document = parent.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); + + if (feedctr && feedu && feedr) { + + feedu.innerHTML = ctr; + + if (ctr > 0) { + feedctr.className = "odd"; + if (!feedr.className.match("Unread")) { + var is_selected = feedr.className.match("Selected"); + + feedr.className = feedr.className.replace("Selected", ""); + feedr.className = feedr.className.replace("Unread", ""); + + feedr.className = feedr.className + "Unread"; + + if (is_selected) { + feedr.className = feedr.className + "Selected"; + } - if (ctr > 0) { - feedctr.className = "odd"; - if (!feedr.className.match("Unread")) { - var is_selected = feedr.className.match("Selected"); - - feedr.className = feedr.className.replace("Selected", ""); - feedr.className = feedr.className.replace("Unread", ""); - - feedr.className = feedr.className + "Unread"; - - if (is_selected) { - feedr.className = feedr.className + "Selected"; } - - } - } else { - feedctr.className = "invisible"; - feedr.className = feedr.className.replace("Unread", ""); - } + } else { + feedctr.className = "invisible"; + feedr.className = feedr.className.replace("Unread", ""); + } + } } + } catch (e) { + exception_error("all_counters_callback", e); } } } @@ -506,4 +514,3 @@ function getSelectedTableRowIds(content_id, prefix) { } - diff --git a/prefs.js b/prefs.js index 404602c3..b69369ba 100644 --- a/prefs.js +++ b/prefs.js @@ -28,8 +28,8 @@ if (!xmlhttp && typeof XMLHttpRequest!='undefined') { } function feedlist_callback() { - var container = document.getElementById('prefContent'); if (xmlhttp.readyState == 4) { + var container = document.getElementById('prefContent'); container.innerHTML=xmlhttp.responseText; if (active_feed) { var row = document.getElementById("FEEDR-" + active_feed); @@ -1146,45 +1146,25 @@ function selectTab(id) { function init() { - // IE kludge - - if (!xmlhttp) { - document.getElementById("prefContent").innerHTML = - "Fatal error: This program needs XmlHttpRequest " + - "to function properly. Your browser doesn't seem to support it."; - return; + try { + + // IE kludge + if (!xmlhttp) { + document.getElementById("prefContent").innerHTML = + "Fatal error: This program needs XmlHttpRequest " + + "to function properly. Your browser doesn't seem to support it."; + return; + } + + selectTab("genConfig"); + + document.onkeydown = hotkey_handler; + notify(""); + } catch (e) { + exception_error("init", e); } - - selectTab("genConfig"); - - document.onkeydown = hotkey_handler; - notify(""); - } -/* -var help_topic_id = false; - -function do_dispOptionHelp() { - - if (!xmlhttp_ready(xmlhttp)) - return; - - xmlhttp.open("GET", "backend.php?op=pref-prefs&subop=getHelp&pn=" + - param_escape(help_topic_id), true); - xmlhttp.onreadystatechange=gethelp_callback; - xmlhttp.send(null); - -} - -function dispOptionHelp(event, sender) { - - help_topic_id = sender.id; - -// document.setTimeout("do_dispOptionHelp()", 100); - -} */ - function closeInfoBox() { var box = document.getElementById('infoBox'); var shadow = document.getElementById('infoBoxShadow'); diff --git a/tt-rss.css b/tt-rss.css index e4699f34..78a7a8d0 100644 --- a/tt-rss.css +++ b/tt-rss.css @@ -386,13 +386,10 @@ a.button { font-weight : bold; } -.evenSelected { +.evenSelected, .oddSelected { background-color : #e0e0ff; } -.oddSelected { - background-color : #e0e0ff; -} /* .feedUnreadSelected, .feedSelectedUnread, diff --git a/tt-rss.js b/tt-rss.js index 0af11bfc..94aad44d 100644 --- 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 = - "Fatal error: 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 = - "Fatal error: 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() {