From c3a8d71ad42e1cfc72db5bb0f43789935220e6db Mon Sep 17 00:00:00 2001 From: Andrew Dolgov Date: Thu, 25 Aug 2005 14:04:57 +0100 Subject: more functional keyboard navigation, auto page flipping, updated README, auto post cleanup (PURGE_OLD_DAYS), schema updated --- tt-rss.js | 122 ++++++++++++++++++++++++++++++++++++++++++++------------------ 1 file changed, 88 insertions(+), 34 deletions(-) (limited to 'tt-rss.js') diff --git a/tt-rss.js b/tt-rss.js index 5f34f311a..1b92bac1d 100644 --- a/tt-rss.js +++ b/tt-rss.js @@ -5,12 +5,19 @@ var xmlhttp = false; var xmlhttp_rpc = false; +var xmlhttp_view = false; var total_unread = 0; var first_run = true; var active_post_id = false; var active_feed_id = false; +var active_offset = false; + +var total_feed_entries = false; + +var _viewfeed_autoselect_first = false; +var _viewfeed_autoselect_last = false; /*@cc_on @*/ /*@if (@_jscript_version >= 5) @@ -22,9 +29,11 @@ try { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP"); + xmlhttp_view = new ActiveXObject("Microsoft.XMLHTTP"); } catch (E) { xmlhttp = false; xmlhttp_rpc = false; + xmlhttp_view = false; } } @end @*/ @@ -32,7 +41,7 @@ try { if (!xmlhttp && typeof XMLHttpRequest!='undefined') { xmlhttp = new XMLHttpRequest(); xmlhttp_rpc = new XMLHttpRequest(); - + xmlhttp_view = new XMLHttpRequest(); } function feedlist_callback() { @@ -64,6 +73,16 @@ function viewfeed_callback() { var funread = document.getElementById("FUNREAD"); var ftotal = document.getElementById("FTOTAL"); + if (_viewfeed_autoselect_first == true) { + _viewfeed_autoselect_first = false; + view(getFirstVisibleHeadlineId(), active_feed_id); + } + + if (_viewfeed_autoselect_last == true) { + _viewfeed_autoselect_last = false; + view(getLastVisibleHeadlineId(), active_feed_id); + } + if (ftotal && factive && funread) { var feed_id = factive.innerHTML; @@ -74,6 +93,8 @@ function viewfeed_callback() { feedt.innerHTML = ftotal.innerHTML; feedu.innerHTML = funread.innerHTML; + total_feed_entries = ftotal.innerHTML; + if (feedu.innerHTML > 0 && !feedr.className.match("Unread")) { feedr.className = feedr.className + "Unread"; } else if (feedu.innerHTML <= 0) { @@ -89,8 +110,8 @@ function viewfeed_callback() { function view_callback() { var container = document.getElementById('content'); - if (xmlhttp.readyState == 4) { - container.innerHTML=xmlhttp.responseText; + if (xmlhttp_view.readyState == 4) { + container.innerHTML=xmlhttp_view.responseText; } } @@ -220,13 +241,18 @@ function viewfeed(feed, skip, subop) { // document.getElementById('headlines').innerHTML='Loading headlines, please wait...'; // document.getElementById('content').innerHTML=' '; + if (skip < 0 || skip > total_feed_entries) { + return; + } + if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) { printLockingError(); return } - + active_feed_id = feed; active_post_id = false; + active_offset = skip; xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) + "&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) , true); @@ -250,7 +276,7 @@ function cleanSelectedHeadlines() { function view(id,feed_id) { - if (xmlhttp.readyState != 4 && xmlhttp.readyState != 0) { + if (xmlhttp_view.readyState != 4 && xmlhttp_view.readyState != 0) { printLockingError(); return } @@ -286,9 +312,9 @@ function view(id,feed_id) { active_post_id = id; - xmlhttp.open("GET", "backend.php?op=view&id=" + param_escape(id), true); - xmlhttp.onreadystatechange=view_callback; - xmlhttp.send(null); + xmlhttp_view.open("GET", "backend.php?op=view&id=" + param_escape(id), true); + xmlhttp_view.onreadystatechange=view_callback; + xmlhttp_view.send(null); } @@ -356,63 +382,91 @@ function getVisibleHeadlineIds() { rows.push(row_id); } } - return rows; - } -function moveToPost(mode) { - -/* var query_str = "backend.php?op=rpc&subop=getRelativeId&mode=" + mode + - "&feed=" + active_feed_id + "&id=" + active_post_id; +function getFirstVisibleHeadlineId() { + var rows = getVisibleHeadlineIds(); + return rows[0]; +} -// notify(query_str); +function getLastVisibleHeadlineId() { + var rows = getVisibleHeadlineIds(); + return rows[rows.length-1]; +} - if (xmlhttp_rpc.readyState == 4 || xmlhttp_rpc.readyState == 0) { - xmlhttp_rpc.open("GET", query_str, true); - xmlhttp_rpc.onreadystatechange=relativeid_callback; - xmlhttp_rpc.send(null); - } else { - printLockingError(); - } */ +function moveToPost(mode) { var rows = getVisibleHeadlineIds(); var prev_id; var next_id; - for (var i = 0; i < rows.length; i++) { - if (rows[i] == active_post_id) { - prev_id = rows[i-1]; - next_id = rows[i+1]; + if (active_post_id == false) { + next_id = getFirstVisibleHeadlineId(); + prev_id = getLastVisibleHeadlineId(); + } else { + for (var i = 0; i < rows.length; i++) { + if (rows[i] == active_post_id) { + prev_id = rows[i-1]; + next_id = rows[i+1]; + } } } - if (mode == "next" && next_id != undefined) { - view(next_id, active_feed_id); + var content = document.getElementById("headlinesList"); + + if (mode == "next") { + if (next_id != undefined) { + view(next_id, active_feed_id); + } else { + _viewfeed_autoselect_first = true; + viewfeed(active_feed_id, active_offset+15); + } } - if (mode == "prev" && prev_id != undefined) { - view(prev_id, active_feed_id); + if (mode == "prev") { + if ( prev_id != undefined) { + view(prev_id, active_feed_id); + } else { + _viewfeed_autoselect_last = true; + viewfeed(active_feed_id, active_offset-15); + } } } function localHotkeyHandler(keycode) { -// notify(keycode); - if (keycode == 78) { - moveToPost('next'); + return moveToPost('next'); } if (keycode == 80) { - moveToPost('prev'); + return moveToPost('prev'); } + + if (keycode == 82) { + return scheduleFeedUpdate(true); + } + + if (keycode == 85) { + return viewfeed(active_feed_id, active_offset, "ForceUpdate"); + } + +// notify("KC: " + keycode); + } function init() { + if (!xmlhttp) { + document.getElementById("headlines").innerHTML = + "Fatal error: This program needs XmlHttpRequest " + + "to function properly. Your browser doesn't seem to support it."; + return; + } + updateFeedList(false, false); document.onkeydown = hotkey_handler; setTimeout("timeout()", 1800*1000); -- cgit v1.2.3