]> git.wh0rd.org - tt-rss.git/blobdiff - viewfeed.js
update cache when viewing unread articles
[tt-rss.git] / viewfeed.js
index 1b26fdff684699183c288033be35af713ce0111e..4f40f8fb3757bf3281dfa2ee4a8ff4fb303739c9 100644 (file)
@@ -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 +90,13 @@ 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 disable_cache_obj = transport.responseXML.getElementsByTagName("disable-cache")[0];
+
                        var headlines_count = headlines_count_obj.getAttribute("value");
-       
+                       var headlines_unread = headlines_unread_obj.getAttribute("value");
+                       var disable_cache = disable_cache_obj.getAttribute("value") != "0";
+
                        if (headlines_count == 0) _infscroll_disable = 1;
        
                        var counters = transport.responseXML.getElementsByTagName("counters")[0];
@@ -94,6 +106,22 @@ function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) {
                        if (feed_cur_page == 0) {
                                if (headlines) {
                                        f.innerHTML = headlines.firstChild.nodeValue;
+
+                                       var cache_prefix = "";
+
+                                       if (is_cat) {
+                                               cache_prefix = "C:";
+                                       } else {
+                                               cache_prefix = "F:";
+                                       }
+
+                                       cache_invalidate(cache_prefix + active_feed_id);
+
+                                       if (!disable_cache) {
+                                               cache_inject(cache_prefix + active_feed_id,
+                                                       headlines.firstChild.nodeValue, headlines_unread);
+                                       }
+
                                } else {
                                        debug("headlines_callback: returned no data");
                                f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
@@ -109,8 +137,17 @@ function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) {
                                                if (!c) {
                                                        c = document.getElementById("headlinesInnerContainer");
                                                }
+
+                                               var ids = getSelectedArticleIds2();
        
                                                c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
+
+                                               debug("restore selected ids: " + ids);
+
+                                               for (var i = 0; i < ids.length; i++) {
+                                                       markHeadline(ids[i]);
+                                               }
+
                                        } else {
                                                debug("no new headlines received");
                                        }
@@ -175,7 +212,8 @@ function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) {
                }
        
                _feed_cur_page = feed_cur_page;
-       
+               _infscroll_request_sent = 0;
+
                notify("");
        } catch (e) {
                exception_error("headlines_callback2", e);
@@ -203,18 +241,44 @@ function showArticleInHeadlines(id) {
                cleanSelected("headlinesList");
        
                var crow = document.getElementById("RROW-" + id);
+
+               if (!crow) return;
+
                var article_is_unread = crow.className.match("Unread");
                        
                crow.className = crow.className.replace("Unread", "");
-               
+
+               selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
+               markHeadline(id);
+       
                var upd_img_pic = document.getElementById("FUPDPIC-" + id);
-               
-               if (upd_img_pic) {
+
+               var cache_prefix = "";
+                               
+               if (activeFeedIsCat()) {
+                       cache_prefix = "C:";
+               } else {
+                       cache_prefix = "F:";
+               }
+       
+               if (upd_img_pic && upd_img_pic.src.match("updated.png")) {
                        upd_img_pic.src = "images/blank_icon.gif";
+
+                       cache_invalidate(cache_prefix + getActiveFeedId());
+
+                       cache_inject(cache_prefix + getActiveFeedId(),
+                               document.getElementById("headlines-frame").innerHTML,
+                               get_feed_unread(getActiveFeedId()));
+
+               } else if (article_is_unread) {
+
+                       cache_invalidate(cache_prefix + getActiveFeedId());
+
+                       cache_inject(cache_prefix + getActiveFeedId(),
+                               document.getElementById("headlines-frame").innerHTML,
+                               get_feed_unread(getActiveFeedId())-1);
+
                }
-               
-               selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
-               markHeadline(id);
 
        } catch (e) {
                exception_error("showArticleInHeadlines", e);
@@ -640,13 +704,19 @@ function toggleUnread(id, cmode) {
                        nc = nc.replace("Unread", "");
                        nc = nc.replace("Selected", "");
 
-                       if (row.className.match("Unread")) {
+                       if (cmode == undefined || cmode == 2) {
+                               if (row.className.match("Unread")) {
+                                       row.className = nc;
+                               } else {
+                                       row.className = nc + "Unread";
+                               }
+                       } else if (cmode == 0) {
                                row.className = nc;
-                       } else {
+                       } else if (cmode == 1) {
                                row.className = nc + "Unread";
                        }
 
-                       if (!cmode) cmode = 2;
+                       if (cmode == undefined) cmode = 2;
 
                        var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
                                param_escape(id) + "&cmode=" + param_escape(cmode);
@@ -1162,19 +1232,20 @@ 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_param(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 + "]");
        }
 }
 
@@ -1187,6 +1258,15 @@ function cache_find(id) {
        return false;
 }
 
+function cache_find_param(id, param) {
+       for (var i = 0; i < article_cache.length; i++) {
+               if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
+                       return article_cache[i]["data"];
+               }
+       }
+       return false;
+}
+
 function cache_check(id) {
        for (var i = 0; i < article_cache.length; i++) {
                if (article_cache[i]["id"] == id) {
@@ -1196,6 +1276,19 @@ function cache_check(id) {
        return false;
 }
 
+function cache_check_param(id, param) {
+       for (var i = 0; i < article_cache.length; i++) {
+
+//             debug("cache_check_param " + article_cache[i]["id"] + ":" + 
+//                     article_cache[i]["param"] + " vs " + id + ":" + param);
+
+               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();
@@ -1247,10 +1340,17 @@ function headlines_scroll_handler() {
 
                var e = document.getElementById("headlinesInnerContainer");
 
-               if (e.scrollTop + e.offsetHeight > e.scrollHeight - 300) {
-                       if (!_infscroll_disable) {
-                               debug("more cowbell!");
-                               viewNextFeedPage();
+               // don't do infinite scrolling when Limit == All
+
+               var toolbar_form = document.forms["main_toolbar_form"];
+
+               var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex];
+               if (limit.value != 0) {
+                       if (e.scrollTop + e.offsetHeight > e.scrollHeight - 50) {
+                               if (!_infscroll_disable) {
+                                       debug("more cowbell!");
+                                       viewNextFeedPage();
+                               }
                        }
                }
 
@@ -1323,10 +1423,11 @@ function catchupRelativeToArticle(below) {
                                var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
                                        param_escape(ids_to_mark.toString()) + "&cmode=0";
 
-                               xmlhttp_rpc.open("GET", query, true);
-                               xmlhttp_rpc.onreadystatechange=catchup_callback;
-                               xmlhttp_rpc.send(null);
-       
+                               new Ajax.Request(query, {
+                                       onComplete: function(transport) { 
+                                               catchup_callback2(transport); 
+                                       } });
+
                        }
                }
 
@@ -1334,3 +1435,25 @@ function catchupRelativeToArticle(below) {
                exception_error("catchupRelativeToArticle", e);
        }
 }
+
+function cdmExpandArticle(a_id) {
+       try {
+               var id = 'CICD-' + a_id;
+
+               Effect.Appear(id, {duration : 0.5, 
+                       beforeStart: function(effect) { 
+                               var h_id = 'CICH-' + a_id;
+                               var h_elem = document.getElementById(h_id);
+                               if (h_elem) { h_elem.style.display = "none"; }
+
+                               toggleUnread(a_id, 0);
+                       }});
+
+
+       } catch (e) {
+               exception_error("appearBlockElementF", e);
+       }
+
+}
+
+