From: Andrew Dolgov Date: Wed, 21 Nov 2007 08:23:34 +0000 (+0100) Subject: add experimental headline caching X-Git-Tag: 1.2.18~34 X-Git-Url: https://git.wh0rd.org/?a=commitdiff_plain;h=e19c1824e9c404814d0c573b7167ab0d8128f343;p=tt-rss.git add experimental headline caching --- diff --git a/backend.php b/backend.php index 482b46fe..826a1ed9 100644 --- a/backend.php +++ b/backend.php @@ -231,6 +231,10 @@ print ""; + $headlines_unread = getFeedUnread($link, $feed); + + print ""; + if ($_GET["debug"]) $timing_info = print_checkpoint("10", $timing_info); if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE')) { diff --git a/feedlist.js b/feedlist.js index 03dea359..46bf103e 100644 --- a/feedlist.js +++ b/feedlist.js @@ -136,10 +136,6 @@ function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) { query = query + "&omode=flc"; } - if (!page_offset) { - notify_progress("Loading, please wait...", true); - } - var container = document.getElementById("headlinesInnerContainer"); if (container && page_offset == 0 && !isCdmMode()) { @@ -147,10 +143,63 @@ function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) { queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } ); } - new Ajax.Request(query, { - onComplete: function(transport) { - headlines_callback2(transport, feed, is_cat, page_offset); - } }); + var unread_ctr = document.getElementById("FEEDU-" + feed); + var cache_check = false; + + if (unread_ctr && !page_offset) { + unread_ctr = unread_ctr.innerHTML; + cache_check = cache_check_param("F:" + feed, unread_ctr); + debug("headline cache check: " + cache_check); + } + + if (cache_check) { + var f = document.getElementById("headlines-frame"); + + clean_feed_selections(); + + setActiveFeedId(feed); + + if (is_cat != undefined) { + active_feed_is_cat = is_cat; + } + + if (!is_cat) { + var feedr = document.getElementById("FEEDR-" + feed); + if (feedr && !feedr.className.match("Selected")) { + feedr.className = feedr.className + "Selected"; + } + } + + f.innerHTML = cache_find("F:" + feed); + + var query = "backend.php?op=rpc&subop=getAllCounters"; + + if (tagsAreDisplayed()) { + query = query + "&omode=tl"; + } else { + query = query + "&omode=flc"; + } + + new Ajax.Request(query, { + onComplete: function(transport) { + try { + all_counters_callback2(transport); + } catch (e) { + exception_error("viewfeed/getcounters", e); + } + } }); + + } else { + + if (!page_offset) { + notify_progress("Loading, please wait...", true); + } + + new Ajax.Request(query, { + onComplete: function(transport) { + headlines_callback2(transport, feed, is_cat, page_offset); + } }); + } } catch (e) { exception_error("viewfeed", e); diff --git a/viewfeed.js b/viewfeed.js index be790020..492f1f09 100644 --- a/viewfeed.js +++ b/viewfeed.js @@ -45,11 +45,8 @@ function catchup_callback2(transport, callback) { } } -function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) { +function clean_feed_selections() { try { - - debug("headlines_callback2 [page=" + feed_cur_page + "]"); - var feeds = document.getElementById("feedList").getElementsByTagName("LI"); for (var i = 0; i < feeds.length; i++) { @@ -57,6 +54,17 @@ function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) { feeds[i].className = feeds[i].className.replace("Selected", ""); } } + } catch (e) { + exception_error("clean_feed_selections", e); + } +} + +function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) { + try { + + debug("headlines_callback2 [page=" + feed_cur_page + "]"); + + clean_feed_selections(); setActiveFeedId(active_feed_id); @@ -82,9 +90,11 @@ function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) { if (transport.responseXML) { var headlines = transport.responseXML.getElementsByTagName("headlines")[0]; var headlines_count_obj = transport.responseXML.getElementsByTagName("headlines-count")[0]; - + var headlines_unread_obj = transport.responseXML.getElementsByTagName("headlines-unread")[0]; + var headlines_count = headlines_count_obj.getAttribute("value"); - + var headlines_unread = headlines_unread_obj.getAttribute("value"); + if (headlines_count == 0) _infscroll_disable = 1; var counters = transport.responseXML.getElementsByTagName("counters")[0]; @@ -94,6 +104,10 @@ function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) { if (feed_cur_page == 0) { if (headlines) { f.innerHTML = headlines.firstChild.nodeValue; + + cache_inject("F:" + active_feed_id, + headlines.firstChild.nodeValue, headlines_unread); + } else { debug("headlines_callback: returned no data"); f.innerHTML = "
" + __('Could not update headlines (missing XML data)') + "
"; @@ -1181,19 +1195,20 @@ function cdmWatchdog() { } -function cache_inject(id, article) { - if (!cache_check(id)) { - debug("cache_article: miss: " + id); +function cache_inject(id, article, param) { + if (!cache_check(id, param)) { + debug("cache_article: miss: " + id + " [p=" + param + "]"); var cache_obj = new Array(); cache_obj["id"] = id; cache_obj["data"] = article; + cache_obj["param"] = param; article_cache.push(cache_obj); } else { - debug("cache_article: hit: " + id); + debug("cache_article: hit: " + id + " [p=" + param + "]"); } } @@ -1206,6 +1221,15 @@ function cache_find(id) { return false; } +function cache_get_param(id) { + for (var i = 0; i < article_cache.length; i++) { + if (article_cache[i]["id"] == id) { + return article_cache[i]["param"]; + } + } + return false; +} + function cache_check(id) { for (var i = 0; i < article_cache.length; i++) { if (article_cache[i]["id"] == id) { @@ -1215,6 +1239,15 @@ function cache_check(id) { return false; } +function cache_check_param(id, param) { + for (var i = 0; i < article_cache.length; i++) { + if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) { + return true; + } + } + return false; +} + function cache_expire() { while (article_cache.length > 20) { article_cache.shift();