diff options
Diffstat (limited to 'offline.js')
| -rw-r--r-- | offline.js | 1421 |
1 files changed, 1421 insertions, 0 deletions
diff --git a/offline.js b/offline.js new file mode 100644 index 000000000..c2171d981 --- /dev/null +++ b/offline.js @@ -0,0 +1,1421 @@ +var SCHEMA_VERSION = 10; + +var offline_mode = false; +var store = false; +var localServer = false; +var db = false; + +function view_offline(id, feed_id) { + try { + + enableHotkeys(); + showArticleInHeadlines(id); + + db.execute("UPDATE articles SET unread = 0 WHERE id = ?", [id]); + + var rs = db.execute("SELECT * FROM articles WHERE id = ?", [id]); + + if (rs.isValidRow()) { + + var tmp = "<div class=\"postReply\">"; + + tmp += "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\" "+ + "onmouseout=\"enable_resize(false)\">"; + + tmp += "<div class=\"postDate\">"+rs.fieldByName("updated")+"</div>"; + + if (rs.fieldByName("link") != "") { + tmp += "<div clear='both'><a target=\"_blank\" "+ + "href=\"" + rs.fieldByName("link") + "\">" + + rs.fieldByName("title") + "</a></div>"; + } else { + tmp += "<div clear='both'>" + rs.fieldByName("title") + "</div>"; + } + +/* tmp += "<div style='float : right'> "+ + "<img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>"; + tmp += rs.fieldByName("tags"); + tmp += "</div>"; */ + +/* tmp += "<div clear='both'>"+ + "<a target=\"_blank\" "+ + "href=\"" + rs.fieldByName("comments") + "\">" + + __("comments") + "</a></div>"; */ + + tmp += "</div>"; + + tmp += "<div class=\"postContent\">" + tmp += rs.fieldByName("content"); + tmp += "</div>"; + + tmp += "</div>"; + + render_article(tmp); + update_local_feedlist_counters(); + } + + rs.close(); + + return false; + + } catch (e) { + exception_error("view_offline", e); + } +} + +function viewfeed_offline(feed_id, subop, is_cat, subop_param, skip_history, offset) { + try { + notify(''); + + if (!offset) offset = 0; + + if (offset > 0) { + _feed_cur_page = parseInt(offset); + if (_infscroll_request_sent) { + return; + } + } else { + _feed_cur_page = 0; + _infscroll_disable = 0; + } + + if (getActiveFeedId() != feed_id) { + _feed_cur_page = 0; + active_post_id = 0; + _infscroll_disable = 0; + } + + loading_set_progress(100); + + clean_feed_selections(); + + setActiveFeedId(feed_id, is_cat); + + if (!is_cat) { + var feedr = document.getElementById("FEEDR-" + feed_id); + if (feedr && !feedr.className.match("Selected")) { + feedr.className = feedr.className + "Selected"; + } + } else { + var feedr = document.getElementById("FCAT-" + feed_id); + if (feedr && !feedr.className.match("Selected")) { + feedr.className = feedr.className + "Selected"; + } + } + + if (subop == "MarkAllRead") { + catchup_local_feed(feed_id, is_cat); + } + + disableContainerChildren("headlinesToolbar", false); + Form.enable("main_toolbar_form"); + + var f = document.getElementById("headlines-frame"); + try { + if (reply.offset == 0) { + debug("resetting headlines scrollTop"); + f.scrollTop = 0; + } + } catch (e) { }; + + + var tmp = ""; + var feed_title = ""; + + if (is_cat) { + feed_title = get_local_category_title(feed_id); + } else { + feed_title = get_local_feed_title(feed_id); + } + + if (feed_title) { + + if (offset == 0) { + tmp += "<div id=\"headlinesContainer\">"; + + tmp += "<div class=\"headlinesSubToolbar\">"; + tmp += "<div id=\"subtoolbar_ftitle\">"; + tmp += feed_title; + tmp += "</div>"; + + var sel_all_link; + var sel_unread_link; + var sel_none_link; + var sel_inv_link; + + if (document.getElementById("content-frame")) { + sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)"; + sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)"; + sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)"; + sel_inv_link = "javascript:invertHeadlineSelection()"; + } else { + sel_all_link = "javascript:cdmSelectArticles('all')"; + sel_unread_link = "javascript:cdmSelectArticles('unread')"; + sel_none_link = "javascript:cdmSelectArticles('none')"; + sel_inv_link = "javascript:invertHeadlineSelection()"; + } + + tmp += __('Select:')+ + " <a href=\""+sel_all_link+"\">"+__('All')+"</a>, "+ + "<a href=\""+sel_unread_link+"\">"+__('Unread')+"</a>, "+ + "<a href=\""+sel_inv_link+"\">"+__('Invert')+"</a>, "+ + "<a href=\""+sel_none_link+"\">"+__('None')+"</a>"; + + tmp += " "; + + tmp += "</div>"; + + tmp += "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">"; + if (document.getElementById("content-frame")) { + tmp += "<table class=\"headlinesList\" id=\"headlinesList\" cellspacing=\"0\">"; + } + + } + + var limit = 30; + + var toolbar_form = document.forms["main_toolbar_form"]; + + var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex].value; + var view_mode = toolbar_form.view_mode[toolbar_form.view_mode.selectedIndex].value; + + var limit_qpart = ""; + var strategy_qpart = ""; + var mode_qpart = ""; + var offset_qpart = ""; + + if (limit != 0) { + limit_qpart = "LIMIT " + limit; + } + + if (view_mode == "all_articles") { + mode_qpart = "1"; + } else if (view_mode == "adaptive") { + if (is_cat && get_local_category_unread(feed_id) || + get_local_feed_unread(feed_id) > 0) { + mode_qpart = "unread = 1"; + } else { + mode_qpart = "1"; + } + + } else if (view_mode == "marked") { + mode_qpart = "marked = 1"; + } else if (view_mode == "unread") { + mode_qpart = "unread = 1"; + } else { + mode_qpart = "1"; + } + + var ext_tables_qpart = ""; + + if (is_cat) { + if (feed_id >= 0) { + strategy_qpart = "cat_id = " + feed_id; + } else if (feed_id == -2) { + strategy_qpart = "article_labels.id = articles.id"; + ext_tables_qpart = ",article_labels"; + } + } else if (feed_id > 0) { + strategy_qpart = "feed_id = " + feed_id; + } else if (feed_id == -1) { + strategy_qpart = "marked = 1"; + } else if (feed_id == -4) { + strategy_qpart = "1"; + } else if (feed_id < -10) { + var label_id = -11 - feed_id; + strategy_qpart = "article_labels.id = articles.id AND label_id = " + label_id; + ext_tables_qpart = ",article_labels"; + } + + if (offset > 0) { + offset_qpart = "OFFSET " + (offset*30); + } else { + offset_qpart = ""; + } + + var query = "SELECT *,feeds.title AS feed_title "+ + "FROM articles,feeds,categories"+ext_tables_qpart+" "+ + "WHERE " + + "cat_id = categories.id AND " + + "feed_id = feeds.id AND " + + strategy_qpart + + " AND " + mode_qpart + + " ORDER BY updated DESC "+ + limit_qpart + " " + + offset_qpart; + + var rs = db.execute(query); + + var line_num = offset*30; + + var real_feed_id = feed_id; + + while (rs.isValidRow()) { + + var id = rs.fieldByName("id"); + var feed_id = rs.fieldByName("feed_id"); + + var entry_feed_title = false; + + if (real_feed_id < 0 || is_cat) { + entry_feed_title = rs.fieldByName("feed_title"); + } + + var marked_pic; + + var row_class = (line_num % 2) ? "even" : "odd"; + + if (rs.fieldByName("unread") == "1") { + row_class += "Unread"; + } + + var labels = get_local_article_labels(id); + + var labels_str = "<span id=\"HLLCTR-"+id+"\">"; + labels_str += format_article_labels(labels, id); + labels_str += "</span>"; + + if (rs.fieldByName("marked") == "1") { + marked_pic = "<img id=\"FMPIC-"+id+"\" "+ + "src=\"images/mark_set.png\" class=\"markedPic\""+ + "alt=\"Unstar article\" onclick='javascript:tMark("+id+")'>"; + } else { + marked_pic = "<img id=\"FMPIC-"+id+"\" "+ + "src=\"images/mark_unset.png\" class=\"markedPic\""+ + "alt=\"Star article\" onclick='javascript:tMark("+id+")'>"; + } + + var mouseover_attrs = "onmouseover='postMouseIn($id)' "+ + "onmouseout='postMouseOut($id)'"; + + var content_preview = truncate_string(strip_tags(rs.fieldByName("content")), + 100); + + if (document.getElementById("content-frame")) { + + tmp += "<tr class='"+row_class+"' id='RROW-"+id+"' "+mouseover_attrs+">"; + + tmp += "<td class='hlUpdPic'> </td>"; + + tmp += "<td class='hlSelectRow'>"+ + "<input type=\"checkbox\" onclick=\"tSR(this)\" id=\"RCHK-"+id+"\"></td>"; + + tmp += "<td class='hlMarkedPic'>"+marked_pic+"</td>"; + + tmp += "<td onclick='view("+id+","+feed_id+")' "+ + "class='hlContent' valign='middle'>"; + + tmp += "<a target=\"_blank\" id=\"RTITLE-"+id+"\" href=\"" + + rs.fieldByName("link") + "\"" + + "onclick=\"return view("+id+","+feed_id+");\">"+ + rs.fieldByName("title"); + + tmp += "<span class=\"contentPreview\"> - "+content_preview+"</span>"; + + tmp += "</a>"; + + tmp += labels_str; + + if (entry_feed_title) { + tmp += " <span class=\"hlFeed\">"+ + "(<a href='javascript:viewfeed("+feed_id+ + ")'>"+entry_feed_title+"</a>)</span>"; + } + + tmp += "</td>"; + + tmp += "<td class=\"hlUpdated\" onclick='view("+id+","+feed_id+")'>"+ + "<nobr>"+rs.fieldByName("updated").substring(0,16)+ + "</nobr></td>"; + + tmp += "</tr>"; + } else { + + var add_class = ""; + + if (rs.fieldByName("unread") == "1") { + add_class = "Unread"; + } + + tmp += "<div class=\"cdmArticle"+add_class+"\" id=\"RROW-"+id+"\" "+ + mouseover_attrs+"'>"; + + feed_icon_img = "<img class=\"tinyFeedIcon\" src=\""+ + getInitParam("icons_url")+"/"+feed_id+".ico\" alt=\"\">"; + cdm_feed_icon = "<span style=\"cursor : pointer\" "+ + "onclick=\"viewfeed("+feed_id+")\">"+feed_icon_img+"</span>"; + + tmp += "<div class=\"cdmHeader\">"; + tmp += "<div class=\"articleUpdated\">"+ + rs.fieldByName("updated").substring(0,16)+ + " "+cdm_feed_icon+"</div>"; + + tmp += "<span id=\"RTITLE-"+id+"\" class=\"titleWrap\">"+ + "<a class=\"title\" onclick=\"javascript:toggleUnread("+id+", 0)\""+ + "target=\"_blank\" href=\""+rs.fieldByName("link")+ + "\">"+rs.fieldByName("title")+"</a>"; + + tmp += labels_str; + + if (entry_feed_title) { + tmp += " (<a href='javascript:viewfeed("+feed_id+ + ")'>"+entry_feed_title+"</a>)"; + } + + tmp += "</span></div>"; + + tmp += "<div class=\"cdmContent\" onclick=\"cdmClicked("+id+")\""+ + "id=\"CICD-"+id+"\">"; + tmp += rs.fieldByName("content"); + tmp += "<br clear='both'>" + tmp += "</div>"; + + tmp += "<div class=\"cdmFooter\"><span class='s0'>"; + tmp += __("Select:")+ + " <input type=\"checkbox\" "+ + "onclick=\"toggleSelectRowById(this, 'RROW-"+id+"')\" "+ + "class=\"feedCheckBox\" id=\"RCHK-"+id+"\">"; + + tmp += "</span><span class='s1'>"+marked_pic+"</span> "; + +/* tmp += "<span class='s1'>"+ + "<img class='tagsPic' src='images/tag.png' alt='Tags' title='Tags'>"+ + "<span id=\"ATSTR-"+id+"\">"+rs.fieldByName("tags")+"</span>"+ + "</span>"; */ + + tmp += "<span class='s2'>Toggle: <a class=\"cdmToggleLink\""+ + "href=\"javascript:toggleUnread("+id+")\">"+ + "Unread</a></span>"; + tmp += "</div>"; + + tmp += "</div>"; + } + + rs.next(); + line_num++; + } + + if (line_num - offset*30 < 30) { + _infscroll_disable = 1; + } + + rs.close(); + + if (offset == 0) { + tmp += "</table>"; + + if (line_num - offset*30 == 0) { + tmp += "<div class='whiteBox'>" + + __("No articles found to display.") + + "</div>"; + } + tmp += "</div></div>"; + } + + if (offset == 0) { + var container = document.getElementById("headlines-frame"); + container.innerHTML = tmp; + } else { + var ids = getSelectedArticleIds2(); + + var container = document.getElementById("headlinesList"); + container.innerHTML = container.innerHTML + tmp; + + for (var i = 0; i < ids.length; i++) { + markHeadline(ids[i]); + } + } + } + + remove_splash(); + + _infscroll_request_sent = 0; + + } catch (e) { + exception_error("viewfeed_offline", e); + } +} + +function render_offline_feedlist() { + try { + var cats_enabled = getInitParam("enable_feed_cats") == "1"; + + var tmp = "<ul class=\"feedList\" id=\"feedList\">"; + + var unread = get_local_feed_unread(-4); + + global_unread = unread; + updateTitle(); + + if (cats_enabled) { + tmp += printCategoryHeader(-1, is_local_cat_collapsed(-1), false); + } + + tmp += printFeedEntry(-4, __("All articles"), "feed", unread, + "images/tag.png"); + + var unread = get_local_feed_unread(-1); + + tmp += printFeedEntry(-1, __("Starred articles"), "feed", unread, + "images/mark_set.png"); + + if (cats_enabled) { + tmp += "</ul></li>"; + } else { + tmp += "<li><hr/></li>"; + } + + if (cats_enabled) { + tmp += printCategoryHeader(-2, is_local_cat_collapsed(-2), false); + } + + var rs = db.execute("SELECT id,caption "+ + "FROM labels "+ + "ORDER BY caption"); + + while (rs.isValidRow()) { + var id = -11 - parseInt(rs.field(0)); + var caption = rs.field(1); + var unread = get_local_feed_unread(id); + + tmp += printFeedEntry(id, caption, "feed", unread, + "images/label.png"); + + rs.next(); + } + + rs.close(); + + if (cats_enabled) { + tmp += "</ul></li>"; + } else { + tmp += "<li><hr/></li>"; + } + +/* var rs = db.execute("SELECT feeds.id,feeds.title,has_icon,COUNT(articles.id) "+ + "FROM feeds LEFT JOIN articles ON (feed_id = feeds.id) "+ + "WHERE unread = 1 OR unread IS NULL GROUP BY feeds.id "+ + "ORDER BY feeds.title"); */ + + var order_by = "feeds.title"; + + if (cats_enabled) order_by = "categories.title," + order_by; + + var rs = db.execute("SELECT "+ + "feeds.id,feeds.title,has_icon,cat_id,collapsed "+ + "FROM feeds,categories WHERE cat_id = categories.id "+ + "ORDER BY "+order_by); + + var tmp_cat_id = -1; + + while (rs.isValidRow()) { + + var id = rs.field(0); + var title = rs.field(1); + var has_icon = rs.field(2); + var unread = get_local_feed_unread(id); + var cat_id = rs.field(3); + var cat_hidden = rs.field(4); + + if (cat_id != tmp_cat_id && cats_enabled) { + if (tmp_cat_id != -1) { + tmp += "</ul></li>"; + } + tmp += printCategoryHeader(cat_id, cat_hidden, true); + tmp_cat_id = cat_id; + } + + var icon = ""; + + if (has_icon) { + icon = getInitParam("icons_url") + "/" + id + ".ico"; + } + + var feed_icon = ""; + + var row_class = "feed"; + + if (unread > 0) { + row_class += "Unread"; + fctr_class = "feedCtrHasUnread"; + } else { + fctr_class = "feedCtrNoUnread"; + } + + tmp += printFeedEntry(id, title, "feed", unread, icon); + + rs.next(); + } + + rs.close(); + + if (cats_enabled) { + tmp += "</ul>"; + } + + tmp += "</ul>"; + + render_feedlist(tmp); + } catch (e) { + exception_error("render_offline_feedlist", e); + } +} + +function init_offline() { + try { + offline_mode = true; + + Element.hide("dispSwitchPrompt"); + Element.hide("feedBrowserPrompt"); + + Element.hide("topLinksOnline"); + Element.show("topLinksOffline"); + + var tb_form = document.getElementById("main_toolbar_form"); + Element.hide(tb_form.update); + + var chooser = document.getElementById("quickMenuChooser"); + chooser.disabled = true; + + var rs = db.execute("SELECT key, value FROM init_params"); + + while (rs.isValidRow()) { + init_params[rs.field(0)] = rs.field(1); + rs.next(); + } + + rs.close(); + + var rs = db.execute("SELECT COUNT(*) FROM feeds"); + + var num_feeds = 0; + + if (rs.isValidRow()) { + num_feeds = rs.field(0); + } + + rs.close(); + + if (num_feeds == 0) { + remove_splash(); + return fatalError(0, + __("Data for offline browsing has not been downloaded yet.")); + } + + render_offline_feedlist(); + init_second_stage(); + window.setTimeout("viewfeed(-4)", 50); + + } catch (e) { + exception_error("init_offline", e); + } +} + +function offline_download_parse(stage, transport) { + try { + if (transport.responseXML) { + + var sync_ok = transport.responseXML.getElementsByTagName("sync-ok"); + + if (sync_ok.length > 0) { + for (var i = 0; i < sync_ok.length; i++) { + var id = sync_ok[i].getAttribute("id"); + if (id) { + debug("synced offline info for id " + id); + db.execute("UPDATE articles SET modified = '' WHERE id = ?", [id]); + } + } + } + + if (stage == 0) { + + var feeds = transport.responseXML.getElementsByTagName("feed"); + + if (feeds.length > 0) { + db.execute("DELETE FROM feeds"); + } + + for (var i = 0; i < feeds.length; i++) { + var id = feeds[i].getAttribute("id"); + var has_icon = feeds[i].getAttribute("has_icon"); + var title = feeds[i].firstChild.nodeValue; + var cat_id = feeds[i].getAttribute("cat_id"); + + db.execute("INSERT INTO feeds (id,title,has_icon,cat_id)"+ + "VALUES (?,?,?,?)", + [id, title, has_icon, cat_id]); + } + + var cats = transport.responseXML.getElementsByTagName("category"); + + if (feeds.length > 0) { + db.execute("DELETE FROM categories"); + } + + for (var i = 0; i < cats.length; i++) { + var id = cats[i].getAttribute("id"); + var collapsed = cats[i].getAttribute("collapsed"); + var title = cats[i].firstChild.nodeValue; + + db.execute("INSERT INTO categories (id,title,collapsed)"+ + "VALUES (?,?,?)", + [id, title, collapsed]); + } + + var labels = transport.responseXML.getElementsByTagName("label"); + + if (labels.length > 0) { + db.execute("DELETE FROM labels"); + } + + for (var i = 0; i < labels.length; i++) { + var id = labels[i].getAttribute("id"); + var fg_color = labels[i].getAttribute("fg_color"); + var bg_color = labels[i].getAttribute("bg_color"); + var caption = labels[i].firstChild.nodeValue; + + db.execute("INSERT INTO labels (id,caption,fg_color,bg_color)"+ + "VALUES (?,?,?,?)", + [id, caption, fg_color, bg_color]); + } + + window.setTimeout("update_offline_data("+(stage+1)+")", 10*1000); + } else { + + var articles = transport.responseXML.getElementsByTagName("article"); + + var limit = transport.responseXML.getElementsByTagName("limit")[0]; + + if (limit) { + limit = limit.getAttribute("value"); + } else { + limit = 0; + } + + var articles_found = 0; + + for (var i = 0; i < articles.length; i++) { + var a = eval("("+articles[i].firstChild.nodeValue+")"); + articles_found++; + if (a) { + + db.execute("DELETE FROM articles WHERE id = ?", [a.id]); + + db.execute("INSERT INTO articles "+ + "(id, feed_id, title, link, guid, updated, content, "+ + "unread, marked, tags, comments) "+ + "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", + [a.id, a.feed_id, a.title, a.link, a.guid, a.updated, + a.content, a.unread, a.marked, a.tags, + a.comments]); + + if (a.labels.length > 0) { + for (var j = 0; j < a.labels.length; j++) { + label_local_add_article(a.id, a.labels[j][0]); + } + } + + } + } + + debug("downloaded articles: " + articles_found + " limit: " + limit); + + var has_sync_data = has_local_sync_data(); + + if (articles_found >= limit || has_sync_data) { + window.setTimeout("update_offline_data("+(stage+1)+")", 10*1000); + debug("<b>update_offline_data: done " + stage + " HSD: " + + has_sync_data + "</b>"); + } else { + window.setTimeout("update_offline_data(0)", 180*1000); + debug("update_offline_data: finished"); + + db.execute("DELETE FROM articles WHERE "+ + "updated < DATETIME('NOW', 'localtime', '-31 days')"); + + } + } + + update_local_sync_data(); + +// notify(''); + + } + } catch (e) { + exception_error("offline_download_parse", e); + } +} + +function update_offline_data(stage) { + try { + + if (!stage) stage = 0; + if (offline_mode) return; + + debug("update_offline_data: stage " + stage); + +// notify_progress("Updating offline data... (" + stage +")", true); + + var query = "backend.php?op=rpc&subop=download&stage=" + stage; + + var rs = db.execute("SELECT MAX(id), MIN(id) FROM articles"); + + if (rs.isValidRow() && rs.field(0)) { + var offline_dl_max_id = rs.field(0); + var offline_dl_min_id = rs.field(1); + + query = query + "&cidt=" + offline_dl_max_id; + query = query + "&cidb=" + offline_dl_min_id; + } + + rs.close(); + + var to_sync = prepare_local_sync_data(); + + if (to_sync != "") { + to_sync = "?sync=" + param_escape(to_sync); + } + + debug(query + "/" + to_sync); + + new Ajax.Request(query, { + parameters: to_sync, + onComplete: function(transport) { + offline_download_parse(stage, transport); + } }); + + } catch (e) { + exception_error("initiate_offline_download", e); + } +} + +function set_feedlist_counter(id, ctr, is_cat) { + try { + + var feedctr = document.getElementById("FEEDCTR-" + id); + var feedu = document.getElementById("FEEDU-" + id); + var feedr = document.getElementById("FEEDR-" + id); + + if (is_cat) { + var catctr = document.getElementById("FCATCTR-" + id); + if (catctr) { + catctr.innerHTML = "(" + ctr + ")"; + if (ctr > 0) { + catctr.className = "catCtrHasUnread"; + } else { + catctr.className = "catCtrNoUnread"; + } + } + } else if (feedctr && feedu && feedr) { + + var row_needs_hl = (ctr > 0 && ctr > parseInt(feedu.innerHTML)); + + feedu.innerHTML = ctr; + + if (ctr > 0) { + feedctr.className = "feedCtrHasUnread"; + 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 (row_needs_hl) { + new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5", + queue: { position:'end', scope: 'EFQ-' + id, limit: 1 } } ); + } + } else { + feedctr.className = "feedCtrNoUnread"; + feedr.className = feedr.className.replace("Unread", ""); + } + } + + } catch (e) { + exception_error("set_feedlist_counter", e); + } +} + +function update_local_feedlist_counters() { + try { + if (!offline_mode || !db) return; + +/* var rs = db.execute("SELECT feeds.id,COUNT(articles.id) "+ + "FROM feeds LEFT JOIN articles ON (feed_id = feeds.id) "+ + "WHERE unread = 1 OR unread IS NULL GROUP BY feeds.id "+ + "ORDER BY feeds.title"); */ + + var rs = db.execute("SELECT id FROM feeds "+ + "ORDER BY title"); + + while (rs.isValidRow()) { + var id = rs.field(0); + var ctr = get_local_feed_unread(id); + set_feedlist_counter(id, ctr, false); + rs.next(); + } + + rs.close(); + + var rs = db.execute("SELECT cat_id,SUM(unread) "+ + "FROM articles, feeds WHERE feeds.id = feed_id GROUP BY cat_id"); + + while (rs.isValidRow()) { + var id = rs.field(0); + var ctr = rs.field(1); + set_feedlist_counter(id, ctr, true); + rs.next(); + } + + rs.close(); + + set_feedlist_counter(-2, get_local_category_unread(-2), true); + + set_feedlist_counter(-4, get_local_feed_unread(-4)); + set_feedlist_counter(-1, get_local_feed_unread(-1)); + + var rs = db.execute("SELECT id FROM labels"); + + while (rs.isValidRow()) { + var id = -11 - rs.field(0); + var ctr = get_local_feed_unread(id); + set_feedlist_counter(id, ctr, false); + rs.next(); + } + + rs.close(); + + hideOrShowFeeds(getInitParam("hide_read_feeds") == 1); + + global_unread = get_local_feed_unread(-4); + updateTitle(); + + } catch (e) { + exception_error("update_local_feedlist_counters", e); + } +} + +function get_local_feed_unread(id) { + try { + var rs; + + if (id == -4) { + rs = db.execute("SELECT SUM(unread) FROM articles"); + } else if (id == -1) { + rs = db.execute("SELECT SUM(unread) FROM articles WHERE marked = 1"); + } else if (id > 0) { + rs = db.execute("SELECT SUM(unread) FROM articles WHERE feed_id = ?", [id]); + } else if (id < -10) { + var label_id = -11 - id; + rs = db.execute("SELECT SUM(unread) FROM articles,article_labels "+ + "WHERE article_labels.id = articles.id AND label_id = ?", [label_id]); + } + + var a = false; + + if (rs.isValidRow()) { + a = rs.field(0); + } else { + a = 0; + } + + rs.close(); + + return a; + + } catch (e) { + exception_error("get_local_feed_unread", e); + } +} + +function init_gears() { + try { + + if (window.google && google.gears) { + localServer = google.gears.factory.create("beta.localserver"); + store = localServer.createManagedStore("tt-rss"); + db = google.gears.factory.create('beta.database'); + db.open('tt-rss'); + + db.execute("CREATE TABLE IF NOT EXISTS version (schema_version text)"); + + var rs = db.execute("SELECT schema_version FROM version"); + + var version = ""; + + if (rs.isValidRow()) { + version = rs.field(0); + } + + rs.close(); + + if (version != SCHEMA_VERSION) { + db.execute("DROP TABLE IF EXISTS init_params"); + db.execute("DROP TABLE IF EXISTS cache"); + db.execute("DROP TABLE IF EXISTS feeds"); + db.execute("DROP TABLE IF EXISTS categories"); + db.execute("DROP TABLE IF EXISTS labels"); + db.execute("DROP TABLE IF EXISTS article_labels"); + db.execute("DROP TABLE IF EXISTS articles"); + db.execute("DROP INDEX IF EXISTS article_labels_label_id_idx"); + db.execute("DROP INDEX IF EXISTS articles_unread_idx"); + db.execute("DROP INDEX IF EXISTS articles_feed_id_idx"); + db.execute("DROP INDEX IF EXISTS articles_id_idx"); + db.execute("DROP INDEX IF EXISTS article_labels_id_idx"); + db.execute("DROP TABLE IF EXISTS version"); + db.execute("DROP TRIGGER IF EXISTS articles_update_unread"); + db.execute("DROP TRIGGER IF EXISTS articles_update_marked"); + db.execute("DROP TRIGGER IF EXISTS articles_remove_labelrefs"); + db.execute("CREATE TABLE IF NOT EXISTS version (schema_version text)"); + db.execute("DROP TABLE IF EXISTS syncdata"); + db.execute("INSERT INTO version (schema_version) VALUES (?)", + [SCHEMA_VERSION]); + } + + db.execute("CREATE TABLE IF NOT EXISTS init_params (key text, value text)"); + + db.execute("CREATE TABLE IF NOT EXISTS cache (id integer, article text, param text, added text)"); + db.execute("CREATE TABLE IF NOT EXISTS feeds (id integer, title text, has_icon integer, cat_id integer)"); + db.execute("CREATE TABLE IF NOT EXISTS categories (id integer, title text, collapsed integer)"); + db.execute("CREATE TABLE IF NOT EXISTS labels (id integer, caption text, fg_color text, bg_color text)"); + db.execute("CREATE TABLE IF NOT EXISTS article_labels (id integer, label_id integer)"); + db.execute("CREATE TABLE IF NOT EXISTS articles (id integer, feed_id integer, title text, link text, guid text, updated timestamp, content text, tags text, unread integer, marked integer, added text, modified timestamp, comments text)"); + + db.execute("CREATE INDEX IF NOT EXISTS articles_unread_idx ON articles(unread)"); + db.execute("CREATE INDEX IF NOT EXISTS article_labels_label_id_idx ON article_labels(label_id)"); + db.execute("CREATE INDEX IF NOT EXISTS articles_feed_id_idx ON articles(feed_id)"); + db.execute("CREATE INDEX IF NOT EXISTS articles_id_idx ON articles(id)"); + db.execute("CREATE INDEX IF NOT EXISTS article_labels_id_idx ON article_labels(id)"); + + db.execute("CREATE TABLE IF NOT EXISTS syncdata (key integer, value text)"); + + db.execute("DELETE FROM cache WHERE id LIKE 'F:%' OR id LIKE 'C:%'"); + + db.execute("CREATE TRIGGER IF NOT EXISTS articles_update_unread "+ + "UPDATE OF unread ON articles "+ + "BEGIN "+ + "UPDATE articles SET modified = DATETIME('NOW', 'localtime') "+ + "WHERE id = OLD.id AND "+ + "OLD.unread != NEW.unread;"+ + "END;"); + + db.execute("CREATE TRIGGER IF NOT EXISTS articles_update_marked "+ + "UPDATE OF marked ON articles "+ + "BEGIN "+ + "UPDATE articles SET modified = DATETIME('NOW', 'localtime') "+ + "WHERE id = OLD.id;"+ + "END;"); + + db.execute("CREATE TRIGGER IF NOT EXISTS articles_remove_labelrefs "+ + "DELETE ON articles "+ + "BEGIN "+ + "DELETE FROM article_labels WHERE id = OLD.id; "+ + "END; "); + + init_local_sync_data(); + + Element.show("restartOfflinePic"); + + } + + cache_expire(); + + } catch (e) { + exception_error("init_gears", e); + } +} + +function gotoOffline() { + window.location.href = "tt-rss.php?offline=1"; +} + +function gotoOnline() { + window.location.href = "tt-rss.php"; +} + +function local_collapse_cat(id) { + try { + if (db) { + db.execute("UPDATE categories SET collapsed = NOT collapsed WHERE id = ?", + [id]); + } + } catch (e) { + exception_error("local_collapse_cat", e); + } +} + +function get_local_category_title(id) { + try { + + var rs = db.execute("SELECT title FROM categories WHERE id = ?", [id]); + var tmp = ""; + + if (rs.isValidRow()) { + tmp = rs.field(0); + } + + rs.close(); + + return tmp; + + } catch (e) { + exception_error("get_local_category_title", e); + } +} + +function get_local_category_unread(id) { + try { + var rs = false; + + if (id >= 0) { + rs = db.execute("SELECT SUM(unread) FROM articles, feeds "+ + "WHERE feeds.id = feed_id AND cat_id = ?", [id]); + } else if (id == -2) { + rs = db.execute("SELECT SUM(unread) FROM article_labels, articles "+ + "where article_labels.id = articles.id"); + } else { + return 0; + } + + var tmp = 0; + + if (rs.isValidRow()) { + tmp = rs.field(0); + } + + rs.close(); + + return tmp; + + } catch (e) { + exception_error("get_local_category_unread", e); + } +} + +function printCategoryHeader(cat_id, hidden, can_browse) { + try { + if (hidden == undefined) hidden = false; + if (can_browse == undefined) can_browse = false; + + var tmp_category = get_local_category_title(cat_id); + var tmp = ""; + + var cat_unread = get_local_category_unread(cat_id); + + var holder_style = ""; + var ellipsis = ""; + + if (hidden) { + holder_style = "display:none;"; + ellipsis = "…"; + } + + var catctr_class = (cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread"; + + var browse_cat_link = ""; + var inner_title_class = "catTitleNL"; + + if (can_browse) { + browse_cat_link = "onclick=\"javascript:viewCategory("+cat_id+")\""; + inner_title_class = "catTitle"; + } + + var cat_class = "feedCat"; + + tmp += "<li class=\""+cat_class+"\" id=\"FCAT-"+cat_id+"\">"+ + "<img onclick=\"toggleCollapseCat("+cat_id+")\" class=\"catCollapse\""+ + " title=\""+__('Click to collapse category')+"\""+ + " src=\"images/cat-collapse.png\"><span class=\""+inner_title_class+"\" "+ + " id=\"FCATN-"+cat_id+"\" "+browse_cat_link+ + "\">"+tmp_category+"</span>"; + + tmp += "<span id=\"FCAP-"+cat_id+"\">"; + + tmp += " <span id=\"FCATCTR-"+cat_id+"\" "+ + "class=\""+catctr_class+"\">("+cat_unread+")</span> "+ellipsis; + + tmp += "</span>"; + + tmp += "<ul class=\"feedCatList\" id=\"FCATLIST-"+cat_id+"\" "+ + "style='"+holder_style+"'>"; + + return tmp; + } catch (e) { + exception_error("printCategoryHeader", e); + } +} + +function is_local_cat_collapsed(id) { + try { + + var rs = db.execute("SELECT collapsed FROM categories WHERE id = ?", [id]); + var cat_hidden = 0; + + if (rs.isValidRow()) { + cat_hidden = rs.field(0); + } + + rs.close(); + + return cat_hidden == "1"; + + } catch (e) { + exception_error("is_local_cat_collapsed", e); + } +} + +function get_local_article_labels(id) { + try { + var rs = db.execute("SELECT DISTINCT label_id,caption,fg_color,bg_color "+ + "FROM labels, article_labels "+ + "WHERE labels.id = label_id AND article_labels.id = ?", [id]); + + var tmp = new Array(); + + while (rs.isValidRow()) { + var e = new Array(); + + e[0] = rs.field(0); + e[1] = rs.field(1); + e[2] = rs.field(2); + e[3] = rs.field(3); + + tmp.push(e); + + rs.next(); + } + + return tmp; + + } catch (e) { + exception_error("get_local_article_labels", e); + } +} + +function label_local_add_article(id, label_id) { + try { + //debug("label_local_add_article " + id + " => " + label_id); + + var rs = db.execute("SELECT COUNT(id) FROM article_labels WHERE "+ + "id = ? AND label_id = ?", [id, label_id]); + var check = rs.field(0); + + if (rs.isValidRow()) { + var check = rs.field(0); + } + rs.close(); + + if (check == 0) { + db.execute("INSERT INTO article_labels (id, label_id) VALUES "+ + "(?,?)", [id, label_id]); + } + + } catch (e) { + exception_error("label_local_add_article", e); + } +} + +function get_local_feed_title(id) { + try { + + var feed_title = "Unknown feed: " + id; + + if (id > 0) { + var rs = db.execute("SELECT title FROM feeds WHERE id = ?", [id]); + + if (rs.isValidRow()) { + feed_title = rs.field(0); + } + + rs.close(); + } else if (id == -1) { + feed_title = __("Starred articles"); + } else if (id == -4) { + feed_title = __("All articles"); + } else if (id < -10) { + + var label_id = -11 - id; + + var rs = db.execute("SELECT caption FROM labels WHERE id = ?", [label_id]); + + if (rs.isValidRow()) { + feed_title = rs.field(0); + } + + rs.close(); + } + + return feed_title; + + } catch (e) { + exception_error("get_local_feed_title", e); + } +} + +function format_article_labels(labels, id) { + try { + + var labels_str = ""; + + if (!labels) return ""; + + for (var i = 0; i < labels.length; i++) { + var l = labels[i]; + + labels_str += "<span class='hlLabelRef' "+ + "style='color : "+l[2]+"; background-color : "+l[3]+"'>"+l[1]+"</span>"; + } + + return labels_str; + + } catch (e) { + exception_error("format_article_labels", e); + } +} + +function init_local_sync_data() { + try { + var rs = db.execute("SELECT COUNT(*) FROM syncdata WHERE key = 'last_online'"); + var has_last_online = 0; + + if (rs.isValidRow()) { + has_last_online = rs.field(0); + } + + rs.close(); + + if (!has_last_online) { + db.execute("INSERT INTO syncdata (key, value) VALUES ('last_online', '')"); + } + + } catch (e) { + exception_error("init_local_sync_data", e); + + } +} + +function has_local_sync_data() { + try { + + var rs = db.execute("SELECT id FROM articles "+ + "WHERE modified > (SELECT value FROM syncdata WHERE key = 'last_online') "+ + "LIMIT 1"); + + var tmp = 0; + + if (rs.isValidRow()) { + tmp = rs.field(0); + } + + rs.close(); + + return tmp != 0; + + } catch (e) { + exception_error("has_local_sync_data", e); + } +} + +function prepare_local_sync_data() { + try { + var rs = db.execute("SELECT value FROM syncdata WHERE key = 'last_online'"); + + var last_online = ""; + + if (rs.isValidRow()) { + last_online = rs.field(0); + } + + rs.close(); + + var rs = db.execute("SELECT id,unread,marked FROM articles "+ + "WHERE modified > ? LIMIT 200", [last_online]); + + var tmp = last_online + ";"; + + var entries = 0; + + while (rs.isValidRow()) { + var e = new Array(); + + tmp = tmp + rs.field(0) + "," + rs.field(1) + "," + rs.field(2) + ";"; + entries++; + + rs.next(); + } + + rs.close(); + + if (entries > 0) { + return tmp; + } else { + return ''; + } + + } catch (e) { + exception_error("prepare_local_sync_data", e); + } +} + +function update_local_sync_data() { + try { + if (db && !offline_mode) { + + var rs = db.execute("SELECT id FROM articles "+ + "WHERE modified > (SELECT value FROM syncdata WHERE "+ + "key = 'last_online') LIMIT 1") + + var f_id = 0; + + if (rs.isValidRow()) { + f_id = rs.field(0); + } + + rs.close(); + + /* no pending articles to sync */ + + if (f_id == 0) { + db.execute("UPDATE syncdata SET value = DATETIME('NOW', 'localtime') "+ + "WHERE key = 'last_online'"); + } + + } + } catch (e) { + exception_error("update_local_sync_data", e); + } +} + +function catchup_local_feed(id, is_cat) { + try { + if (!db) return; + + if (!is_cat) { + if (id >= 0) { + db.execute("UPDATE articles SET unread = 0 WHERE feed_id = ?", [id]); + } else if (id == -1) { + db.execute("UPDATE articles SET unread = 0 WHERE marked = 1"); + } else if (id == -4) { + db.execute("UPDATE articles SET unread = 0"); + } else if (id < -10) { + var label_id = -11-id; + + db.execute("UPDATE articles SET unread = 0 WHERE "+ + "(SELECT COUNT(*) FROM article_labels WHERE "+ + "article_labels.id = articles.id AND label_id = ?) > 0", [label_id]); + } + } + + update_local_feedlist_counters(); + + } catch (e) { + exception_error("catchup_local_feed", e); + } +} |