From 1bfe1d7b31d5202846beb3425039776fbdbbfb85 Mon Sep 17 00:00:00 2001 From: Andrew Dolgov Date: Sat, 4 Mar 2017 14:34:44 +0300 Subject: simplify error handling * less convoluted exception dialogs * use window.onerror for the majority of exception catching/reporting * remove most of now useless try/catch blocks * report stacktrace instead of manually specified error locations --- js/feedlist.js | 650 +++++++++++++++++++++++++-------------------------------- 1 file changed, 290 insertions(+), 360 deletions(-) (limited to 'js/feedlist.js') diff --git a/js/feedlist.js b/js/feedlist.js index 6d37377a4..941fe9e8b 100644 --- a/js/feedlist.js +++ b/js/feedlist.js @@ -8,253 +8,226 @@ var _viewfeed_timeout = false; var counters_last_request = 0; var _counters_prev = []; -/*function viewCategory(cat) { - viewfeed({feed: cat, is_cat: true}); - return false; -}*/ - function resetCounterCache() { _counters_prev = []; } function loadMoreHeadlines() { - try { - console.log("loadMoreHeadlines"); - - var offset = 0; - - var view_mode = document.forms["main_toolbar_form"].view_mode.value; - var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length; - var num_all = $$("#headlines-frame > div[id*=RROW]").length; - var num_unread = getFeedUnread(getActiveFeedId(), activeFeedIsCat()); - - // TODO implement marked & published - - if (view_mode == "marked") { - console.warn("loadMoreHeadlines: marked is not implemented, falling back."); - offset = num_all; - } else if (view_mode == "published") { - console.warn("loadMoreHeadlines: published is not implemented, falling back."); - offset = num_all; - } else if (view_mode == "unread") { - offset = unread_in_buffer; - } else if (_search_query) { - offset = num_all; - } else if (view_mode == "adaptive" && !(getActiveFeedId() == -1 && !activeFeedIsCat())) { - // ^ starred feed shows both unread & read articles in adaptive mode - offset = num_unread > 0 ? unread_in_buffer : num_all; - } else { - offset = num_all; - } + console.log("loadMoreHeadlines"); + + var offset = 0; + + var view_mode = document.forms["main_toolbar_form"].view_mode.value; + var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length; + var num_all = $$("#headlines-frame > div[id*=RROW]").length; + var num_unread = getFeedUnread(getActiveFeedId(), activeFeedIsCat()); + + // TODO implement marked & published + + if (view_mode == "marked") { + console.warn("loadMoreHeadlines: marked is not implemented, falling back."); + offset = num_all; + } else if (view_mode == "published") { + console.warn("loadMoreHeadlines: published is not implemented, falling back."); + offset = num_all; + } else if (view_mode == "unread") { + offset = unread_in_buffer; + } else if (_search_query) { + offset = num_all; + } else if (view_mode == "adaptive" && !(getActiveFeedId() == -1 && !activeFeedIsCat())) { + // ^ starred feed shows both unread & read articles in adaptive mode + offset = num_unread > 0 ? unread_in_buffer : num_all; + } else { + offset = num_all; + } - console.log("offset: " + offset); + console.log("offset: " + offset); - viewfeed({feed: getActiveFeedId(), is_cat: activeFeedIsCat(), offset: offset, infscroll_req: true}); + viewfeed({feed: getActiveFeedId(), is_cat: activeFeedIsCat(), offset: offset, infscroll_req: true}); - } catch (e) { - exception_error("viewNextFeedPage", e); - } } function cleanup_memory(root) { - try { - var dijits = dojo.query("[widgetid]", dijit.byId(root).domNode).map(dijit.byNode); + var dijits = dojo.query("[widgetid]", dijit.byId(root).domNode).map(dijit.byNode); - dijits.each(function (d) { - dojo.destroy(d.domNode); - }); + dijits.each(function (d) { + dojo.destroy(d.domNode); + }); - $$("#" + root + " *").each(function (i) { - i.parentNode ? i.parentNode.removeChild(i) : true; - }); - } catch (e) { - console.log("cleanup_memory: exception"); - console.log(e); - } + $$("#" + root + " *").each(function (i) { + i.parentNode ? i.parentNode.removeChild(i) : true; + }); } function viewfeed(params) { - try { - var feed = params.feed; - var is_cat = params.is_cat; - var offset = params.offset; - var background = params.background; - var infscroll_req = params.infscroll_req; - var can_wait = params.can_wait; - var viewfeed_debug = params.viewfeed_debug; - var method = params.method; - - if (is_cat == undefined) - is_cat = false; - else - is_cat = !!is_cat; - - if (offset == undefined) offset = 0; - if (background == undefined) background = false; - if (infscroll_req == undefined) infscroll_req = false; - - last_requested_article = 0; - - if (feed != getActiveFeedId() || activeFeedIsCat() != is_cat) { - if (!background && _search_query) _search_query = false; - } - - if (!background) { - _viewfeed_last = get_timestamp(); + var feed = params.feed; + var is_cat = params.is_cat; + var offset = params.offset; + var background = params.background; + var infscroll_req = params.infscroll_req; + var can_wait = params.can_wait; + var viewfeed_debug = params.viewfeed_debug; + var method = params.method; + + if (is_cat == undefined) + is_cat = false; + else + is_cat = !!is_cat; + + if (offset == undefined) offset = 0; + if (background == undefined) background = false; + if (infscroll_req == undefined) infscroll_req = false; + + last_requested_article = 0; + + if (feed != getActiveFeedId() || activeFeedIsCat() != is_cat) { + if (!background && _search_query) _search_query = false; + } - if (getActiveFeedId() != feed || !infscroll_req) { - setActiveArticleId(0); - _infscroll_disable = 0; + if (!background) { + _viewfeed_last = get_timestamp(); - cleanup_memory("headlines-frame"); - _headlines_scroll_offset = 0; - } + if (getActiveFeedId() != feed || !infscroll_req) { + setActiveArticleId(0); + _infscroll_disable = 0; - if (infscroll_req) { - var timestamp = get_timestamp(); + cleanup_memory("headlines-frame"); + _headlines_scroll_offset = 0; + } - if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) { - //console.log("infscroll request in progress, aborting"); - return; - } + if (infscroll_req) { + var timestamp = get_timestamp(); - _infscroll_request_sent = timestamp; + if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) { + //console.log("infscroll request in progress, aborting"); + return; } + + _infscroll_request_sent = timestamp; } + } - Form.enable("main_toolbar_form"); + Form.enable("main_toolbar_form"); - var toolbar_query = Form.serialize("main_toolbar_form"); + var toolbar_query = Form.serialize("main_toolbar_form"); - var query = "?op=feeds&method=view&feed=" + param_escape(feed) + "&" + - toolbar_query; + var query = "?op=feeds&method=view&feed=" + param_escape(feed) + "&" + + toolbar_query; - if (method) query += "&m=" + param_escape(method); + if (method) query += "&m=" + param_escape(method); - if (offset > 0) { - if (current_first_id) { - query = query + "&fid=" + param_escape(current_first_id); - } + if (offset > 0) { + if (current_first_id) { + query = query + "&fid=" + param_escape(current_first_id); } + } - if (!background) { - if (_search_query) { - force_nocache = true; - query = query + "&" + _search_query; - //_search_query = false; - } + if (!background) { + if (_search_query) { + force_nocache = true; + query = query + "&" + _search_query; + //_search_query = false; + } - if (offset != 0) { - query = query + "&skip=" + offset; + if (offset != 0) { + query = query + "&skip=" + offset; - // to prevent duplicate feed titles when showing grouped vfeeds - if (vgroup_last_feed) { - query = query + "&vgrlf=" + param_escape(vgroup_last_feed); - } - } else { - if (!is_cat && feed == getActiveFeedId() && !params.method) { - query = query + "&m=ForceUpdate"; - } + // to prevent duplicate feed titles when showing grouped vfeeds + if (vgroup_last_feed) { + query = query + "&vgrlf=" + param_escape(vgroup_last_feed); } + } else { + if (!is_cat && feed == getActiveFeedId() && !params.method) { + query = query + "&m=ForceUpdate"; + } + } - Form.enable("main_toolbar_form"); + Form.enable("main_toolbar_form"); - if (!setFeedExpandoIcon(feed, is_cat, - (is_cat) ? 'images/indicator_tiny.gif' : 'images/indicator_white.gif')) - notify_progress("Loading, please wait...", true); - } + if (!setFeedExpandoIcon(feed, is_cat, + (is_cat) ? 'images/indicator_tiny.gif' : 'images/indicator_white.gif')) + notify_progress("Loading, please wait...", true); + } - query += "&cat=" + is_cat; + query += "&cat=" + is_cat; - console.log(query); + console.log(query); - if (can_wait && _viewfeed_timeout) { - setFeedExpandoIcon(getActiveFeedId(), activeFeedIsCat(), 'images/blank_icon.gif'); - clearTimeout(_viewfeed_timeout); - } + if (can_wait && _viewfeed_timeout) { + setFeedExpandoIcon(getActiveFeedId(), activeFeedIsCat(), 'images/blank_icon.gif'); + clearTimeout(_viewfeed_timeout); + } - setActiveFeedId(feed, is_cat); + setActiveFeedId(feed, is_cat); - if (viewfeed_debug) { - window.open("backend.php" + query + "&debug=1&csrf_token=" + getInitParam("csrf_token")); - } + if (viewfeed_debug) { + window.open("backend.php" + query + "&debug=1&csrf_token=" + getInitParam("csrf_token")); + } - timeout_ms = can_wait ? 250 : 0; - _viewfeed_timeout = setTimeout(function() { + timeout_ms = can_wait ? 250 : 0; + _viewfeed_timeout = setTimeout(function() { - new Ajax.Request("backend.php", { - parameters: query, - onComplete: function(transport) { + new Ajax.Request("backend.php", { + parameters: query, + onComplete: function(transport) { + try { setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif'); headlines_callback2(transport, offset, background, infscroll_req); PluginHost.run(PluginHost.HOOK_FEED_LOADED, [feed, is_cat]); - } }); - }, timeout_ms); // Wait 250ms + } catch (e) { + exception_error(e); + } + } }); + }, timeout_ms); // Wait 250ms - } catch (e) { - exception_error("viewfeed", e); - } } function feedlist_init() { - try { - console.log("in feedlist init"); + console.log("in feedlist init"); - loading_set_progress(50); + loading_set_progress(50); - document.onkeydown = hotkey_handler; - setTimeout(hotkey_prefix_timeout, 5*1000); + document.onkeydown = hotkey_handler; + setTimeout(hotkey_prefix_timeout, 5*1000); - if (!getActiveFeedId()) { - viewfeed({feed: -3}); - } else { - viewfeed({feed: getActiveFeedId(), is_cat: activeFeedIsCat()}); - } + if (!getActiveFeedId()) { + viewfeed({feed: -3}); + } else { + viewfeed({feed: getActiveFeedId(), is_cat: activeFeedIsCat()}); + } - hideOrShowFeeds(getInitParam("hide_read_feeds") == 1); + hideOrShowFeeds(getInitParam("hide_read_feeds") == 1); - request_counters(true); - timeout(); + request_counters(true); + timeout(); - } catch (e) { - exception_error("feedlist/init", e); - } } function request_counters(force) { - try { - var date = new Date(); - var timestamp = Math.round(date.getTime() / 1000); - - if (force || timestamp - counters_last_request > 5) { - console.log("scheduling request of counters..."); + var date = new Date(); + var timestamp = Math.round(date.getTime() / 1000); - counters_last_request = timestamp; + if (force || timestamp - counters_last_request > 5) { + console.log("scheduling request of counters..."); - var query = "?op=rpc&method=getAllCounters&seq=" + next_seq(); + counters_last_request = timestamp; - if (!force) - query = query + "&last_article_id=" + getInitParam("last_article_id"); + var query = "?op=rpc&method=getAllCounters&seq=" + next_seq(); - console.log(query); + if (!force) + query = query + "&last_article_id=" + getInitParam("last_article_id"); - new Ajax.Request("backend.php", { - parameters: query, - onComplete: function(transport) { - try { - handle_rpc_json(transport); - } catch (e) { - exception_error("request_counters", e); - } - } }); + console.log(query); - } else { - console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request)); - } + new Ajax.Request("backend.php", { + parameters: query, + onComplete: function(transport) { + handle_rpc_json(transport); + } }); - } catch (e) { - exception_error("request_counters", e); + } else { + console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request)); } } @@ -289,61 +262,56 @@ function counter_is_equal(a, b) { function parse_counters(elems) { - try { - for (var l = 0; l < elems.length; l++) { + for (var l = 0; l < elems.length; l++) { - if (_counters_prev[l] && counter_is_equal(elems[l], _counters_prev[l])) { - continue; - } + if (_counters_prev[l] && counter_is_equal(elems[l], _counters_prev[l])) { + continue; + } - var id = elems[l].id; - var kind = elems[l].kind; - var ctr = parseInt(elems[l].counter); - var error = elems[l].error; - var has_img = elems[l].has_img; - var updated = elems[l].updated; - var auxctr = parseInt(elems[l].auxcounter); - - if (id == "global-unread") { - global_unread = ctr; - updateTitle(); - continue; - } + var id = elems[l].id; + var kind = elems[l].kind; + var ctr = parseInt(elems[l].counter); + var error = elems[l].error; + var has_img = elems[l].has_img; + var updated = elems[l].updated; + var auxctr = parseInt(elems[l].auxcounter); - if (id == "subscribed-feeds") { - /* feeds_found = ctr; */ - continue; - } + if (id == "global-unread") { + global_unread = ctr; + updateTitle(); + continue; + } - /*if (getFeedUnread(id, (kind == "cat")) != ctr || - (kind == "cat")) { - }*/ + if (id == "subscribed-feeds") { + /* feeds_found = ctr; */ + continue; + } - setFeedUnread(id, (kind == "cat"), ctr); - setFeedValue(id, (kind == "cat"), 'auxcounter', auxctr); + /*if (getFeedUnread(id, (kind == "cat")) != ctr || + (kind == "cat")) { + }*/ - if (kind != "cat") { - setFeedValue(id, false, 'error', error); - setFeedValue(id, false, 'updated', updated); + setFeedUnread(id, (kind == "cat"), ctr); + setFeedValue(id, (kind == "cat"), 'auxcounter', auxctr); - if (id > 0) { - if (has_img) { - setFeedIcon(id, false, - getInitParam("icons_url") + "/" + id + ".ico"); - } else { - setFeedIcon(id, false, 'images/blank_icon.gif'); - } + if (kind != "cat") { + setFeedValue(id, false, 'error', error); + setFeedValue(id, false, 'updated', updated); + + if (id > 0) { + if (has_img) { + setFeedIcon(id, false, + getInitParam("icons_url") + "/" + id + ".ico"); + } else { + setFeedIcon(id, false, 'images/blank_icon.gif'); } } } + } - hideOrShowFeeds(getInitParam("hide_read_feeds") == 1); - - _counters_prev = elems; + hideOrShowFeeds(getInitParam("hide_read_feeds") == 1); - } catch (e) { - exception_error("parse_counters", e); - } + _counters_prev = elems; } function getFeedUnread(feed, is_cat) { @@ -405,15 +373,10 @@ function getFeedValue(feed, is_cat, key) { } function setFeedUnread(feed, is_cat, unread) { - try { - var tree = dijit.byId("feedTree"); - - if (tree && tree.model) - return tree.model.setFeedUnread(feed, is_cat, unread); + var tree = dijit.byId("feedTree"); - } catch (e) { - exception_error("setFeedUnread", e); - } + if (tree && tree.model) + return tree.model.setFeedUnread(feed, is_cat, unread); } function setFeedValue(feed, is_cat, key, value) { @@ -429,50 +392,31 @@ function setFeedValue(feed, is_cat, key, value) { } function selectFeed(feed, is_cat) { - try { - var tree = dijit.byId("feedTree"); - - if (tree) return tree.selectFeed(feed, is_cat); + var tree = dijit.byId("feedTree"); - } catch (e) { - exception_error("selectFeed", e); - } + if (tree) return tree.selectFeed(feed, is_cat); } function setFeedIcon(feed, is_cat, src) { - try { - var tree = dijit.byId("feedTree"); - - if (tree) return tree.setFeedIcon(feed, is_cat, src); + var tree = dijit.byId("feedTree"); - } catch (e) { - exception_error("setFeedIcon", e); - } + if (tree) return tree.setFeedIcon(feed, is_cat, src); } function setFeedExpandoIcon(feed, is_cat, src) { - try { - var tree = dijit.byId("feedTree"); + var tree = dijit.byId("feedTree"); - if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src); + if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src); - } catch (e) { - exception_error("setFeedIcon", e); - } return false; } function getNextUnreadFeed(feed, is_cat) { - try { - var tree = dijit.byId("feedTree"); - var nuf = tree.model.getNextUnreadFeed(feed, is_cat); - - if (nuf) - return tree.model.store.getValue(nuf, 'bare_id'); + var tree = dijit.byId("feedTree"); + var nuf = tree.model.getNextUnreadFeed(feed, is_cat); - } catch (e) { - exception_error("getNextUnreadFeed", e); - } + if (nuf) + return tree.model.store.getValue(nuf, 'bare_id'); } function catchupCurrentFeed(mode) { @@ -480,152 +424,138 @@ function catchupCurrentFeed(mode) { } function catchupFeedInGroup(id) { - try { - - var title = getFeedName(id); + var title = getFeedName(id); - var str = __("Mark all articles in %s as read?").replace("%s", title); + var str = __("Mark all articles in %s as read?").replace("%s", title); - if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) { + if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) { - var rows = $$("#headlines-frame > div[id*=RROW][data-orig-feed-id='"+id+"']"); + var rows = $$("#headlines-frame > div[id*=RROW][data-orig-feed-id='"+id+"']"); - if (rows.length > 0) { + if (rows.length > 0) { - rows.each(function (row) { - row.removeClassName("Unread"); + rows.each(function (row) { + row.removeClassName("Unread"); - if (row.getAttribute("data-article-id") != getActiveArticleId()) { - new Effect.Fade(row, {duration: 0.5}); - } - - }); + if (row.getAttribute("data-article-id") != getActiveArticleId()) { + new Effect.Fade(row, {duration: 0.5}); + } - var feedTitles = $$("#headlines-frame > div[class='cdmFeedTitle']"); + }); - for (var i = 0; i < feedTitles.length; i++) { - if (feedTitles[i].getAttribute("data-feed-id") == id) { + var feedTitles = $$("#headlines-frame > div[class='cdmFeedTitle']"); - if (i < feedTitles.length - 1) { - new Effect.Fade(feedTitles[i], {duration: 0.5}); - } + for (var i = 0; i < feedTitles.length; i++) { + if (feedTitles[i].getAttribute("data-feed-id") == id) { - break; + if (i < feedTitles.length - 1) { + new Effect.Fade(feedTitles[i], {duration: 0.5}); } - } - updateFloatingTitle(true); + break; + } } - var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" + - id + "&is_cat=false"; + updateFloatingTitle(true); + } - console.log(catchup_query); + var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" + + id + "&is_cat=false"; - notify_progress("Loading, please wait...", true); + console.log(catchup_query); - new Ajax.Request("backend.php", { - parameters: catchup_query, - onComplete: function (transport) { - handle_rpc_json(transport); - } - } ); + notify_progress("Loading, please wait...", true); - //return viewCurrentFeed('MarkAllReadGR:' + id); - } + new Ajax.Request("backend.php", { + parameters: catchup_query, + onComplete: function (transport) { + handle_rpc_json(transport); + } + } ); - } catch (e) { - exception_error("catchupFeedInGroup", e); + //return viewCurrentFeed('MarkAllReadGR:' + id); } } function catchupFeed(feed, is_cat, mode) { - try { - if (is_cat == undefined) is_cat = false; - - var str = false; - - switch (mode) { - case "1day": - str = __("Mark all articles in %s older than 1 day as read?"); - break; - case "1week": - str = __("Mark all articles in %s older than 1 week as read?"); - break; - case "2week": - str = __("Mark all articles in %s older than 2 weeks as read?"); - break; - default: - str = __("Mark all articles in %s as read?"); - } + if (is_cat == undefined) is_cat = false; + + var str = false; + + switch (mode) { + case "1day": + str = __("Mark all articles in %s older than 1 day as read?"); + break; + case "1week": + str = __("Mark all articles in %s older than 1 week as read?"); + break; + case "2week": + str = __("Mark all articles in %s older than 2 weeks as read?"); + break; + default: + str = __("Mark all articles in %s as read?"); + } - var fn = getFeedName(feed, is_cat); + var fn = getFeedName(feed, is_cat); - str = str.replace("%s", fn); + str = str.replace("%s", fn); - if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) { - return; - } + if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) { + return; + } - var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" + - feed + "&is_cat=" + is_cat + "&mode=" + mode; + var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" + + feed + "&is_cat=" + is_cat + "&mode=" + mode; - console.log(catchup_query); + console.log(catchup_query); - notify_progress("Loading, please wait...", true); + notify_progress("Loading, please wait...", true); - new Ajax.Request("backend.php", { - parameters: catchup_query, - onComplete: function(transport) { - handle_rpc_json(transport); + new Ajax.Request("backend.php", { + parameters: catchup_query, + onComplete: function(transport) { + handle_rpc_json(transport); - var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1"; + var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1"; - if (show_next_feed) { - var nuf = getNextUnreadFeed(feed, is_cat); + if (show_next_feed) { + var nuf = getNextUnreadFeed(feed, is_cat); - if (nuf) { - viewfeed({feed: nuf, is_cat: is_cat}); - } - } else { - if (feed == getActiveFeedId() && is_cat == activeFeedIsCat()) { - viewCurrentFeed(); - } + if (nuf) { + viewfeed({feed: nuf, is_cat: is_cat}); } + } else { + if (feed == getActiveFeedId() && is_cat == activeFeedIsCat()) { + viewCurrentFeed(); + } + } - notify(""); - } }); + notify(""); + } }); - } catch (e) { - exception_error("catchupFeed", e); - } } function decrementFeedCounter(feed, is_cat) { - try { - var ctr = getFeedUnread(feed, is_cat); + var ctr = getFeedUnread(feed, is_cat); - if (ctr > 0) { - setFeedUnread(feed, is_cat, ctr - 1); - global_unread = global_unread - 1; - updateTitle(); + if (ctr > 0) { + setFeedUnread(feed, is_cat, ctr - 1); + global_unread = global_unread - 1; + updateTitle(); - if (!is_cat) { - var cat = parseInt(getFeedCategory(feed)); + if (!is_cat) { + var cat = parseInt(getFeedCategory(feed)); - if (!isNaN(cat)) { - ctr = getFeedUnread(cat, true); + if (!isNaN(cat)) { + ctr = getFeedUnread(cat, true); - if (ctr > 0) { - setFeedUnread(cat, true, ctr - 1); - } + if (ctr > 0) { + setFeedUnread(cat, true, ctr - 1); } } } - - } catch (e) { - exception_error("decrement_feed_counter", e); } + } -- cgit v1.2.3