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tt-rss/viewfeed.js

2209 lines
45 KiB
JavaScript

var active_post_id = false;
var last_article_view = false;
var active_real_feed_id = false;
var _cdm_wd_timeout = false;
var _cdm_wd_vishist = new Array();
var article_cache = new Array();
var vgroup_last_feed = false;
var post_under_pointer = false;
var last_requested_article = false;
var preload_id_batch = [];
var preload_timeout_id = false;
var cache_added = [];
function catchup_callback2(transport, callback) {
try {
console.log("catchup_callback2 " + transport + ", " + callback);
notify("");
handle_rpc_reply(transport);
if (callback) {
setTimeout(callback, 10);
}
} catch (e) {
exception_error("catchup_callback2", e, transport);
}
}
function headlines_callback2(transport, feed_cur_page) {
try {
if (!handle_rpc_reply(transport)) return;
loading_set_progress(100);
console.log("headlines_callback2 [page=" + feed_cur_page + "]");
if (!transport_error_check(transport)) return;
var is_cat = false;
var feed_id = false;
if (transport.responseXML) {
var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
if (headlines) {
is_cat = headlines.getAttribute("is_cat");
feed_id = headlines.getAttribute("id");
setActiveFeedId(feed_id, is_cat);
}
}
var update_btn = document.forms["main_toolbar_form"].update;
update_btn.disabled = !(feed_id >= 0 && !is_cat);
try {
if (feed_cur_page == 0) {
$("headlines-frame").scrollTop = 0;
}
} catch (e) { };
if (transport.responseXML) {
var response = transport.responseXML;
var headlines = response.getElementsByTagName("headlines")[0];
var headlines_content = headlines.getElementsByTagName("content")[0];
var headlines_toolbar = headlines.getElementsByTagName("toolbar")[0];
var headlines_info = response.getElementsByTagName("headlines-info")[0];
if (headlines_info)
headlines_info = JSON.parse(headlines_info.firstChild.nodeValue);
else {
console.error("didn't find headlines-info object in response");
return;
}
var headlines_count = headlines_info.count;
var headlines_unread = headlines_info.unread;
var disable_cache = headlines_info.disable_cache;
vgroup_last_feed = headlines_info.vgroup_last_feed;
if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
_infscroll_disable = 1;
} else {
_infscroll_disable = 0;
}
var counters = response.getElementsByTagName("counters")[0];
var articles = response.getElementsByTagName("article");
var runtime_info = response.getElementsByTagName("runtime-info");
if (feed_cur_page == 0) {
if (headlines) {
$("headlinesInnerContainer").innerHTML = headlines_content.firstChild.nodeValue;
$("headlines-toolbar").innerHTML = headlines_toolbar.firstChild.nodeValue;
dojo.parser.parse("headlines-toolbar");
//dijit.byId("main").resize();
var cache_prefix = "";
if (is_cat) {
cache_prefix = "C:";
} else {
cache_prefix = "F:";
}
cache_invalidate(cache_prefix + feed_id);
if (!disable_cache) {
cache_inject(cache_prefix + feed_id,
$("headlines-frame").innerHTML, headlines_unread);
}
} else {
console.warn("headlines_callback: returned no data");
$('headlinesInnerContainer').innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
}
} else {
if (headlines) {
if (headlines_count > 0) {
console.log("adding some more headlines...");
c = $("headlinesInnerContainer");
var ids = getSelectedArticleIds2();
c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
console.log("restore selected ids: " + ids);
for (var i = 0; i < ids.length; i++) {
markHeadline(ids[i]);
}
} else {
console.log("no new headlines received");
}
} else {
console.warn("headlines_callback: returned no data");
notify_error("Error while trying to load more headlines");
}
}
if (articles) {
for (var i = 0; i < articles.length; i++) {
var a_id = articles[i].getAttribute("id");
//console.log("found id: " + a_id);
cache_inject(a_id, articles[i].firstChild.nodeValue);
}
} else {
console.log("no cached articles received");
}
if (counters)
parse_counters(counters);
else
request_counters();
if (runtime_info) {
parse_runtime_info(runtime_info[0]);
}
} else {
console.warn("headlines_callback: returned no XML object");
$('headlinesInnerContainer').innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
}
if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
if (isCdmMode() &&
getActiveFeedId() != -3 &&
getInitParam("cdm_auto_catchup") == 1) {
console.log("starting CDM watchdog");
_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
_cdm_wd_vishist = new Array();
} else {
console.log("not in CDM mode or watchdog disabled");
}
_feed_cur_page = feed_cur_page;
_infscroll_request_sent = 0;
notify("");
remove_splash();
} catch (e) {
exception_error("headlines_callback2", e, transport);
}
}
function render_article(article) {
try {
var f = $("content-frame");
try {
f.scrollTop = 0;
} catch (e) { };
var fi = $("content-insert");
try {
fi.scrollTop = 0;
} catch (e) { };
fi.innerHTML = article;
// article.evalScripts();
} catch (e) {
exception_error("render_article", e);
}
}
function showArticleInHeadlines(id) {
try {
selectArticles("none");
var crow = $("RROW-" + id);
if (!crow) return;
var article_is_unread = crow.hasClassName("Unread");
crow.removeClassName("Unread");
selectArticles('none');
var upd_img_pic = $("FUPDPIC-" + id);
var cache_prefix = "";
if (activeFeedIsCat()) {
cache_prefix = "C:";
} else {
cache_prefix = "F:";
}
var view_mode = false;
try {
view_mode = document.forms['main_toolbar_form'].view_mode;
view_mode = view_mode[view_mode.selectedIndex].value;
} catch (e) {
//
}
if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
upd_img_pic.src.match("fresh_sign.png"))) {
upd_img_pic.src = "images/blank_icon.gif";
cache_invalidate(cache_prefix + getActiveFeedId());
cache_inject(cache_prefix + getActiveFeedId(),
$("headlines-frame").innerHTML,
get_feed_unread(getActiveFeedId()));
} else if (article_is_unread && view_mode == "all_articles") {
cache_invalidate(cache_prefix + getActiveFeedId());
cache_inject(cache_prefix + getActiveFeedId(),
$("headlines-frame").innerHTML,
get_feed_unread(getActiveFeedId())-1);
} else if (article_is_unread) {
cache_invalidate(cache_prefix + getActiveFeedId());
}
markHeadline(id);
if (article_is_unread)
_force_scheduled_update = true;
} catch (e) {
exception_error("showArticleInHeadlines", e);
}
}
function article_callback2(transport, id) {
try {
console.log("article_callback2 " + id);
if (!handle_rpc_reply(transport)) return;
if (transport.responseXML) {
if (!transport_error_check(transport)) return;
var upic = $('FUPDPIC-' + id);
if (upic) {
upic.src = 'images/blank_icon.gif';
}
if (id != last_requested_article) {
console.log("requested article id is out of sequence, aborting");
return;
}
// active_post_id = id;
//console.log("looking for articles to cache...");
var articles = transport.responseXML.getElementsByTagName("article");
for (var i = 0; i < articles.length; i++) {
var a_id = articles[i].getAttribute("id");
//console.log("found id: " + a_id);
if (a_id == active_post_id) {
//console.log("active article, rendering...");
render_article(articles[i].firstChild.nodeValue);
}
cache_inject(a_id, articles[i].firstChild.nodeValue);
}
// showArticleInHeadlines(id);
var reply = transport.responseXML.firstChild.firstChild;
} else {
console.warn("article_callback: returned no XML object");
//var f = $("content-frame");
//f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
}
var date = new Date();
last_article_view = date.getTime() / 1000;
request_counters();
notify("");
} catch (e) {
exception_error("article_callback2", e, transport);
}
}
function view(id) {
try {
console.log("loading article: " + id);
var cached_article = cache_find(id);
console.log("cache check result: " + (cached_article != false));
enableHotkeys();
hideAuxDlg();
var query = "?op=view&id=" + param_escape(id);
var neighbor_ids = getRelativePostIds(active_post_id);
/* only request uncached articles */
var cids_to_request = Array();
for (var i = 0; i < neighbor_ids.length; i++) {
if (!cache_check(neighbor_ids[i])) {
cids_to_request.push(neighbor_ids[i]);
}
}
console.log("additional ids: " + cids_to_request.toString());
query = query + "&cids=" + cids_to_request.toString();
var crow = $("RROW-" + id);
var article_is_unread = crow.hasClassName("Unread");
active_post_id = id;
showArticleInHeadlines(id);
if (!cached_article) {
var upic = $('FUPDPIC-' + id);
if (upic) {
upic.src = getInitParam("sign_progress");
}
} else if (cached_article && article_is_unread) {
query = query + "&mode=prefetch";
render_article(cached_article);
} else if (cached_article) {
query = query + "&mode=prefetch_old";
render_article(cached_article);
}
cache_expire();
last_requested_article = id;
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
article_callback2(transport, id);
} });
return false;
} catch (e) {
exception_error("view", e);
}
}
function tMark(id) {
return toggleMark(id);
}
function tPub(id) {
return togglePub(id);
}
function tMark_afh_off(effect) {
try {
var elem = effect.effects[0].element;
//console.log("tMark_afh_off : " + elem.id);
if (elem) {
elem.src = elem.src.replace("mark_set", "mark_unset");
elem.alt = __("Star article");
Element.show(elem);
}
} catch (e) {
exception_error("tMark_afh_off", e);
}
}
function tPub_afh_off(effect) {
try {
var elem = effect.effects[0].element;
//console.log("tPub_afh_off : " + elem.id);
if (elem) {
elem.src = elem.src.replace("pub_set", "pub_unset");
elem.alt = __("Publish article");
Element.show(elem);
}
} catch (e) {
exception_error("tPub_afh_off", e);
}
}
function toggleMark(id, client_only) {
try {
var query = "?op=rpc&id=" + id + "&subop=mark";
var img = $("FMPIC-" + id);
if (!img) return;
if (img.src.match("mark_unset")) {
img.src = img.src.replace("mark_unset", "mark_set");
img.alt = __("Unstar article");
query = query + "&mark=1";
} else {
img.src = img.src.replace("mark_set", "mark_unset");
img.alt = __("Star article");
query = query + "&mark=0";
}
if (!client_only) {
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
handle_rpc_reply(transport);
} });
}
} catch (e) {
exception_error("toggleMark", e);
}
}
function togglePub(id, client_only, no_effects, note) {
try {
var query = "?op=rpc&id=" + id + "&subop=publ";
if (note != undefined) {
query = query + "&note=" + param_escape(note);
} else {
query = query + "&note=undefined";
}
var img = $("FPPIC-" + id);
if (!img) return;
if (img.src.match("pub_unset") || note != undefined) {
img.src = img.src.replace("pub_unset", "pub_set");
img.alt = __("Unpublish article");
query = query + "&pub=1";
} else {
img.src = img.src.replace("pub_set", "pub_unset");
img.alt = __("Publish article");
query = query + "&pub=0";
}
if (!client_only) {
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
handle_rpc_reply(transport);
var note = transport.responseXML.getElementsByTagName("note")[0];
if (note) {
var note_id = note.getAttribute("id");
var note_size = note.getAttribute("size");
var note_content = note.firstChild.nodeValue;
var container = $('POSTNOTE-' + note_id);
cache_invalidate(note_id);
if (container) {
if (note_size == "0") {
Element.hide(container);
} else {
container.innerHTML = note_content;
Element.show(container);
}
}
}
} });
}
} catch (e) {
exception_error("togglePub", e);
}
}
function moveToPost(mode) {
try {
var rows = getVisibleArticleIds();
var prev_id = false;
var next_id = false;
if (!$('RROW-' + active_post_id)) {
active_post_id = false;
}
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") {
if (next_id) {
if (isCdmMode()) {
cdmExpandArticle(next_id);
cdmScrollToArticleId(next_id);
} else {
correctHeadlinesOffset(next_id);
view(next_id, getActiveFeedId());
}
}
}
if (mode == "prev") {
if (prev_id) {
if (isCdmMode()) {
cdmExpandArticle(prev_id);
cdmScrollToArticleId(prev_id);
} else {
correctHeadlinesOffset(prev_id);
view(prev_id, getActiveFeedId());
}
}
}
} catch (e) {
exception_error("moveToPost", e);
}
}
function toggleSelected(id) {
try {
var cb = $("RCHK-" + id);
var row = $("RROW-" + id);
if (row) {
if (row.hasClassName('Selected')) {
row.removeClassName('Selected');
if (cb) cb.checked = false;
} else {
row.addClassName('Selected');
if (cb) cb.checked = true;
}
}
} catch (e) {
exception_error("toggleSelected", e);
}
}
function toggleUnread_afh(effect) {
try {
var elem = effect.element;
elem.style.backgroundColor = "";
} catch (e) {
exception_error("toggleUnread_afh", e);
}
}
function toggleUnread(id, cmode, effect) {
try {
var row = $("RROW-" + id);
if (row) {
if (cmode == undefined || cmode == 2) {
if (row.hasClassName("Unread")) {
row.removeClassName("Unread");
if (effect) {
new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
afterFinish: toggleUnread_afh,
queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
}
} else {
row.addClassName("Unread");
}
} else if (cmode == 0) {
row.removeClassName("Unread");
if (effect) {
new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
afterFinish: toggleUnread_afh,
queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
}
} else if (cmode == 1) {
row.addClassName("Unread");
}
if (cmode == undefined) cmode = 2;
var query = "?op=rpc&subop=catchupSelected" +
"&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
// notify_progress("Loading, please wait...");
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
handle_rpc_reply(transport);
} });
}
} catch (e) {
exception_error("toggleUnread", e);
}
}
function selectionRemoveLabel(id) {
try {
var ids = getSelectedArticleIds2();
if (ids.length == 0) {
alert(__("No articles are selected."));
return;
}
// var ok = confirm(__("Remove selected articles from label?"));
// if (ok) {
var query = "?op=rpc&subop=removeFromLabel&ids=" +
param_escape(ids.toString()) + "&lid=" + param_escape(id);
console.log(query);
// notify_progress("Loading, please wait...");
cache_invalidate("F:" + (-11 - id));
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
show_labels_in_headlines(transport);
handle_rpc_reply(transport);
} });
// }
} catch (e) {
exception_error("selectionAssignLabel", e);
}
}
function selectionAssignLabel(id) {
try {
var ids = getSelectedArticleIds2();
if (ids.length == 0) {
alert(__("No articles are selected."));
return;
}
// var ok = confirm(__("Assign selected articles to label?"));
// if (ok) {
cache_invalidate("F:" + (-11 - id));
var query = "?op=rpc&subop=assignToLabel&ids=" +
param_escape(ids.toString()) + "&lid=" + param_escape(id);
console.log(query);
// notify_progress("Loading, please wait...");
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
show_labels_in_headlines(transport);
handle_rpc_reply(transport);
} });
// }
} catch (e) {
exception_error("selectionAssignLabel", e);
}
}
function selectionToggleUnread(set_state, callback_func, no_error) {
try {
var rows = getSelectedArticleIds2();
if (rows.length == 0 && !no_error) {
alert(__("No articles are selected."));
return;
}
for (i = 0; i < rows.length; i++) {
var row = $("RROW-" + rows[i]);
if (row) {
if (set_state == undefined) {
if (row.hasClassName("Unread")) {
row.removeClassName("Unread");
} else {
row.addClassName("Unread");
}
}
if (set_state == false) {
row.removeClassName("Unread");
}
if (set_state == true) {
row.addClassName("Unread");
}
}
}
if (rows.length > 0) {
var cmode = "";
if (set_state == undefined) {
cmode = "2";
} else if (set_state == true) {
cmode = "1";
} else if (set_state == false) {
cmode = "0";
}
var query = "?op=rpc&subop=catchupSelected" +
"&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
notify_progress("Loading, please wait...");
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
catchup_callback2(transport, callback_func);
} });
}
} catch (e) {
exception_error("selectionToggleUnread", e);
}
}
function selectionToggleMarked() {
try {
var rows = getSelectedArticleIds2();
if (rows.length == 0) {
alert(__("No articles are selected."));
return;
}
for (i = 0; i < rows.length; i++) {
toggleMark(rows[i], true, true);
}
if (rows.length > 0) {
var query = "?op=rpc&subop=markSelected&ids=" +
param_escape(rows.toString()) + "&cmode=2";
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
handle_rpc_reply(transport);
} });
}
} catch (e) {
exception_error("selectionToggleMarked", e);
}
}
function selectionTogglePublished() {
try {
var rows = getSelectedArticleIds2();
if (rows.length == 0) {
alert(__("No articles are selected."));
return;
}
for (i = 0; i < rows.length; i++) {
togglePub(rows[i], true, true);
}
if (rows.length > 0) {
var query = "?op=rpc&subop=publishSelected&ids=" +
param_escape(rows.toString()) + "&cmode=2";
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
handle_rpc_reply(transport);
} });
}
} catch (e) {
exception_error("selectionToggleMarked", e);
}
}
function getSelectedArticleIds2() {
var rv = [];
$$("#headlinesInnerContainer > div[id*=RROW][class*=Selected]").each(
function(child) {
rv.push(child.id.replace("RROW-", ""));
});
return rv;
}
function getLoadedArticleIds() {
var rv = [];
var children = $$("#headlinesInnerContainer > div[id*=RROW-]");
children.each(function(child) {
rv.push(child.id.replace("RROW-", ""));
});
return rv;
}
// mode = all,none,unread,invert
function selectArticles(mode) {
try {
var children = $$("#headlinesInnerContainer > div[id*=RROW]");
children.each(function(child) {
var id = child.id.replace("RROW-", "");
var cb = $("RCHK-" + id);
if (mode == "all") {
child.addClassName("Selected");
cb.checked = true;
} else if (mode == "unread") {
if (child.hasClassName("Unread")) {
child.addClassName("Selected");
cb.checked = true;
} else {
child.removeClassName("Selected");
cb.checked = false;
}
} else if (mode == "invert") {
if (child.hasClassName("Selected")) {
child.removeClassName("Selected");
cb.checked = false;
} else {
child.addClassName("Selected");
cb.checked = true;
}
} else {
child.removeClassName("Selected");
cb.checked = false;
}
});
} catch (e) {
exception_error("selectArticles", e);
}
}
function catchupPage() {
var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
var str = __("Mark all visible articles in %s as read?");
str = str.replace("%s", fn);
if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
return;
}
selectArticles('all');
selectionToggleUnread(false, 'viewCurrentFeed()', true)
selectArticles('none');
}
function deleteSelection() {
try {
var rows = getSelectedArticleIds2();
if (rows.length == 0) {
alert(__("No articles are selected."));
return;
}
var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
var str;
var op;
if (getActiveFeedId() != 0) {
str = __("Delete %d selected articles in %s?");
} else {
str = __("Delete %d selected articles?");
}
str = str.replace("%d", rows.length);
str = str.replace("%s", fn);
if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
return;
}
query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
console.log(query);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
viewCurrentFeed();
} });
} catch (e) {
exception_error("deleteSelection", e);
}
}
function archiveSelection() {
try {
var rows = getSelectedArticleIds2();
if (rows.length == 0) {
alert(__("No articles are selected."));
return;
}
var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
var str;
var op;
if (getActiveFeedId() != 0) {
str = __("Archive %d selected articles in %s?");
op = "archive";
} else {
str = __("Move %d archived articles back?");
op = "unarchive";
}
str = str.replace("%d", rows.length);
str = str.replace("%s", fn);
if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
return;
}
query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
console.log(query);
for (var i = 0; i < rows.length; i++) {
cache_invalidate(rows[i]);
}
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
viewCurrentFeed();
} });
} catch (e) {
exception_error("archiveSelection", e);
}
}
function catchupSelection() {
try {
var rows = getSelectedArticleIds2();
if (rows.length == 0) {
alert(__("No articles are selected."));
return;
}
var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
var str = __("Mark %d selected articles in %s as read?");
str = str.replace("%d", rows.length);
str = str.replace("%s", fn);
if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
return;
}
selectionToggleUnread(false, 'viewCurrentFeed()', true)
} catch (e) {
exception_error("catchupSelection", e);
}
}
function editArticleTags(id, feed_id, cdm_enabled) {
displayDlg('editArticleTags', id,
function () {
$("tags_str").focus();
new Ajax.Autocompleter('tags_str', 'tags_choices',
"backend.php?op=rpc&subop=completeTags",
{ tokens: ',', paramName: "search" });
});
}
function editTagsSave() {
notify_progress("Saving article tags...");
var form = document.forms["tag_edit_form"];
var query = Form.serialize("tag_edit_form");
query = "?op=rpc&subop=setArticleTags&" + query;
//console.log(query);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
try {
//console.log("tags saved...");
closeInfoBox();
notify("");
if (transport.responseXML) {
var tags_str = transport.responseXML.getElementsByTagName("tags-str")[0];
if (tags_str) {
var id = tags_str.getAttribute("id");
if (id) {
var tags = $("ATSTR-" + id);
if (tags) {
tags.innerHTML = tags_str.firstChild.nodeValue;
}
cache_invalidate(id);
}
}
}
} catch (e) {
exception_error("editTagsSave", e);
}
} });
}
function editTagsInsert() {
try {
var form = document.forms["tag_edit_form"];
var found_tags = form.found_tags;
var tags_str = form.tags_str;
var tag = found_tags[found_tags.selectedIndex].value;
if (tags_str.value.length > 0 &&
tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
tags_str.value = tags_str.value + ", ";
}
tags_str.value = tags_str.value + tag + ", ";
found_tags.selectedIndex = 0;
} catch (e) {
exception_error("editTagsInsert", e);
}
}
function cdmScrollToArticleId(id) {
try {
var ctr = $("headlines-frame");
var e = $("RROW-" + id);
if (!e || !ctr) return;
ctr.scrollTop = e.offsetTop;
} catch (e) {
exception_error("cdmScrollToArticleId", e);
}
}
function cdmWatchdog() {
try {
var ctr = $("headlinesInnerContainer");
if (!ctr) return;
var ids = new Array();
var e = ctr.firstChild;
while (e) {
if (e.className && e.hasClassName("Unread") && e.id &&
e.id.match("RROW-")) {
// article fits in viewport OR article is longer than viewport and
// its bottom is visible
if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
ctr.scrollTop + ctr.offsetHeight) {
// console.log(e.id + " is visible " + e.offsetTop + "." +
// (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
// (ctr.scrollTop + ctr.offsetHeight));
ids.push(e.id.replace("RROW-", ""));
} else if (e.offsetHeight > ctr.offsetHeight &&
e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
ids.push(e.id.replace("RROW-", ""));
}
// method 2: article bottom is visible and is in upper 1/2 of the viewport
/* if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
ids.push(e.id.replace("RROW-", ""));
} */
}
e = e.nextSibling;
}
console.log("cdmWatchdog, ids= " + ids.toString());
if (ids.length > 0) {
for (var i = 0; i < ids.length; i++) {
var e = $("RROW-" + ids[i]);
if (e) {
e.removeClassName("Unread");
}
}
var query = "?op=rpc&subop=catchupSelected" +
"&cmode=0" + "&ids=" + param_escape(ids.toString());
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
handle_rpc_reply(transport);
} });
}
_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
} catch (e) {
exception_error("cdmWatchdog", e);
}
}
function cache_inject(id, article, param) {
try {
if (!cache_check_param(id, param)) {
//console.log("cache_article: miss: " + id + " [p=" + param + "]");
var date = new Date();
var ts = Math.round(date.getTime() / 1000);
var cache_obj = {};
cache_obj["id"] = id;
cache_obj["data"] = article;
cache_obj["param"] = param;
if (param) id = id + ":" + param;
cache_added["TS:" + id] = ts;
if (has_local_storage())
localStorage.setItem(id, JSON.stringify(cache_obj));
else
article_cache.push(cache_obj);
} else {
//console.log("cache_article: hit: " + id + " [p=" + param + "]");
}
} catch (e) {
exception_error("cache_inject", e);
}
}
function cache_find(id) {
if (has_local_storage()) {
var cache_obj = localStorage.getItem(id);
if (cache_obj) {
cache_obj = JSON.parse(cache_obj);
if (cache_obj)
return cache_obj['data'];
}
} else {
for (var i = 0; i < article_cache.length; i++) {
if (article_cache[i]["id"] == id) {
return article_cache[i]["data"];
}
}
}
return false;
}
function cache_find_param(id, param) {
if (has_local_storage()) {
if (param) id = id + ":" + param;
var cache_obj = localStorage.getItem(id);
if (cache_obj) {
cache_obj = JSON.parse(cache_obj);
if (cache_obj)
return cache_obj['data'];
}
} else {
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) {
if (has_local_storage()) {
if (localStorage.getItem(id))
return true;
} else {
for (var i = 0; i < article_cache.length; i++) {
if (article_cache[i]["id"] == id) {
return true;
}
}
}
return false;
}
function cache_check_param(id, param) {
if (has_local_storage()) {
if (param) id = id + ":" + param;
if (localStorage.getItem(id))
return true;
} else {
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() {
if (has_local_storage()) {
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
for (var i = 0; i < localStorage.length; i++) {
var id = localStorage.key(i);
if (timestamp - cache_added["TS:" + id] > 180) {
localStorage.removeItem(id);
}
}
} else {
while (article_cache.length > 25) {
article_cache.shift();
}
}
}
function cache_flush() {
if (has_local_storage()) {
localStorage.clear();
} else {
article_cache = new Array();
}
}
function cache_invalidate(id) {
try {
if (has_local_storage()) {
var found = false;
for (var i = 0; i < localStorage.length; i++) {
var key = localStorage.key(i);
// console.warn("cache_invalidate: " + key_id + " cmp " + id);
if (key == id || key.indexOf(id + ":") == 0) {
localStorage.removeItem(key);
found = true;
break;
}
}
return found;
} else {
var i = 0
while (i < article_cache.length) {
if (article_cache[i]["id"] == id) {
//console.log("cache_invalidate: removed id " + id);
article_cache.splice(i, 1);
return true;
}
i++;
}
}
//console.log("cache_invalidate: id not found: " + id);
return false;
} catch (e) {
exception_error("cache_invalidate", e);
}
}
function getActiveArticleId() {
return active_post_id;
}
function preloadBatchedArticles() {
try {
var query = "?op=rpc&subop=getArticles&ids=" +
preload_id_batch.toString();
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
preload_id_batch = [];
var articles = transport.responseXML.getElementsByTagName("article");
for (var i = 0; i < articles.length; i++) {
var id = articles[i].getAttribute("id");
if (!cache_check(id)) {
cache_inject(id, articles[i].firstChild.nodeValue);
console.log("preloaded article: " + id);
}
}
} });
} catch (e) {
exception_error("preloadBatchedArticles", e);
}
}
function preloadArticleUnderPointer(id) {
try {
if (getInitParam("bw_limit") == "1") return;
if (post_under_pointer == id && !cache_check(id)) {
console.log("trying to preload article " + id);
var neighbor_ids = getRelativePostIds(id, 1);
/* only request uncached articles */
if (preload_id_batch.indexOf(id) == -1) {
for (var i = 0; i < neighbor_ids.length; i++) {
if (!cache_check(neighbor_ids[i])) {
preload_id_batch.push(neighbor_ids[i]);
}
}
}
if (preload_id_batch.indexOf(id) == -1)
preload_id_batch.push(id);
//console.log("preload ids batch: " + preload_id_batch.toString());
window.clearTimeout(preload_timeout_id);
preload_batch_timeout_id = window.setTimeout('preloadBatchedArticles()', 1000);
}
} catch (e) {
exception_error("preloadArticleUnderPointer", e);
}
}
function postMouseIn(id) {
try {
if (post_under_pointer != id) {
post_under_pointer = id;
if (!isCdmMode()) {
window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
}
}
} catch (e) {
exception_error("postMouseIn", e);
}
}
function postMouseOut(id) {
try {
post_under_pointer = false;
} catch (e) {
exception_error("postMouseOut", e);
}
}
function headlines_scroll_handler() {
try {
var e = $("headlinesInnerContainer");
var toolbar_form = document.forms["main_toolbar_form"];
// console.log((e.scrollTop + e.offsetHeight) + " vs " + e.scrollHeight + " dis? " +
// _infscroll_disable);
if (e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
if (!_infscroll_disable) {
viewNextFeedPage();
}
}
} catch (e) {
exception_error("headlines_scroll_handler", e);
}
}
function catchupRelativeToArticle(below) {
try {
if (!getActiveArticleId()) {
alert(__("No article is selected."));
return;
}
var visible_ids = getVisibleArticleIds();
var ids_to_mark = new Array();
if (!below) {
for (var i = 0; i < visible_ids.length; i++) {
if (visible_ids[i] != getActiveArticleId()) {
var e = $("RROW-" + visible_ids[i]);
if (e && e.hasClassName("Unread")) {
ids_to_mark.push(visible_ids[i]);
}
} else {
break;
}
}
} else {
for (var i = visible_ids.length-1; i >= 0; i--) {
if (visible_ids[i] != getActiveArticleId()) {
var e = $("RROW-" + visible_ids[i]);
if (e && e.hasClassName("Unread")) {
ids_to_mark.push(visible_ids[i]);
}
} else {
break;
}
}
}
if (ids_to_mark.length == 0) {
alert(__("No articles found to mark"));
} else {
var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
for (var i = 0; i < ids_to_mark.length; i++) {
var e = $("RROW-" + ids_to_mark[i]);
e.removeClassName("Unread");
}
var query = "?op=rpc&subop=catchupSelected" +
"&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
catchup_callback2(transport);
} });
}
}
} catch (e) {
exception_error("catchupRelativeToArticle", e);
}
}
function cdmExpandArticle(id) {
try {
hideAuxDlg();
var elem = $("CICD-" + active_post_id);
var upd_img_pic = $("FUPDPIC-" + id);
if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
upd_img_pic.src.match("fresh_sign.png"))) {
upd_img_pic.src = "images/blank_icon.gif";
}
if (id == active_post_id && Element.visible(elem))
return true;
selectArticles("none");
var old_offset = $("RROW-" + id).offsetTop;
if (active_post_id && elem && !getInitParam("cdm_expanded")) {
Element.hide(elem);
Element.show("CEXC-" + active_post_id);
}
active_post_id = id;
elem = $("CICD-" + id);
if (!Element.visible(elem)) {
Element.show(elem);
Element.hide("CEXC-" + id);
if ($("CWRAP-" + id).innerHTML == "") {
$("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
$("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
__("Loading, please wait...") + "</div>";
var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
//console.log(query);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
$("FUPDPIC-" + id).src = 'images/blank_icon.gif';
if (transport.responseXML) {
var article = transport.responseXML.getElementsByTagName("article")[0];
var recv_id = article.getAttribute("id");
if (recv_id == id)
$("CWRAP-" + id).innerHTML = article.firstChild.nodeValue;
} else {
$("CWRAP-" + id).innerHTML = __("Unable to load article.");
}
}});
}
}
var new_offset = $("RROW-" + id).offsetTop;
$("headlines-frame").scrollTop += (new_offset-old_offset);
if ($("RROW-" + id).offsetTop != old_offset)
$("headlines-frame").scrollTop = new_offset;
toggleUnread(id, 0, true);
toggleSelected(id);
} catch (e) {
exception_error("cdmExpandArticle", e);
}
return false;
}
function fixHeadlinesOrder(ids) {
try {
for (var i = 0; i < ids.length; i++) {
var e = $("RROW-" + ids[i]);
if (e) {
if (i % 2 == 0) {
e.removeClassName("even");
e.addClassName("odd");
} else {
e.removeClassName("odd");
e.addClassName("even");
}
}
}
} catch (e) {
exception_error("fixHeadlinesOrder", e);
}
}
function getArticleUnderPointer() {
return post_under_pointer;
}
function zoomToArticle(id) {
try {
var w = window.open("backend.php?op=view&mode=zoom&id=" + param_escape(id),
"ttrss_zoom_" + id,
"status=0,toolbar=0,location=0,width=450,height=300,scrollbars=1,menubar=0");
} catch (e) {
exception_error("zoomToArticle", e);
}
}
function scrollArticle(offset) {
try {
if (!isCdmMode()) {
var ci = $("content-insert");
if (ci) {
ci.scrollTop += offset;
}
} else {
var hi = $("headlinesInnerContainer");
if (hi) {
hi.scrollTop += offset;
}
}
} catch (e) {
exception_error("scrollArticle", e);
}
}
function show_labels_in_headlines(transport) {
try {
if (transport.responseXML) {
var info = transport.responseXML.getElementsByTagName("info-for-headlines")[0];
var elems = info.getElementsByTagName("entry");
for (var l = 0; l < elems.length; l++) {
var e_id = elems[l].getAttribute("id");
if (e_id) {
var ctr = $("HLLCTR-" + e_id);
if (ctr) {
ctr.innerHTML = elems[l].firstChild.nodeValue;
}
}
}
}
} catch (e) {
exception_error("show_labels_in_headlines", e);
}
}
function toggleHeadlineActions() {
try {
var e = $("headlineActionsBody");
var p = $("headlineActionsDrop");
if (!Element.visible(e)) {
Element.show(e);
} else {
Element.hide(e);
}
e.scrollTop = 0;
e.style.left = (p.offsetLeft + 1) + "px";
e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
} catch (e) {
exception_error("toggleHeadlineActions", e);
}
}
function publishWithNote(id, def_note) {
try {
if (!def_note) def_note = '';
var note = prompt(__("Please enter a note for this article:"), def_note);
if (note != undefined) {
togglePub(id, false, false, note);
}
} catch (e) {
exception_error("publishWithNote", e);
}
}
function emailArticle(id) {
try {
if (!id) {
var ids = getSelectedArticleIds2();
if (ids.length == 0) {
alert(__("No articles are selected."));
return;
}
id = ids.toString();
}
displayDlg('emailArticle', id,
function () {
document.forms['article_email_form'].destination.focus();
new Ajax.Autocompleter('destination', 'destination_choices',
"backend.php?op=rpc&subop=completeEmails",
{ tokens: '', paramName: "search" });
});
} catch (e) {
exception_error("emailArticle", e);
}
}
function emailArticleDo() {
try {
var f = document.forms['article_email_form'];
if (f.destination.value == "") {
alert("Please fill in the destination email.");
return;
}
if (f.subject.value == "") {
alert("Please fill in the subject.");
return;
}
var query = Form.serialize("article_email_form");
// console.log(query);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
try {
var error = transport.responseXML.getElementsByTagName('error')[0];
if (error) {
alert(__('Error sending email:') + ' ' + error.firstChild.nodeValue);
} else {
notify_info('Your message has been sent.');
closeInfoBox();
}
} catch (e) {
exception_error("sendEmailDo", e);
}
} });
} catch (e) {
exception_error("emailArticleDo", e);
}
}
function dismissArticle(id) {
try {
var elem = $("RROW-" + id);
toggleUnread(id, 0, true);
new Effect.Fade(elem, {duration : 0.5});
active_post_id = false;
} catch (e) {
exception_error("dismissArticle", e);
}
}
function dismissSelectedArticles() {
try {
var ids = getVisibleArticleIds();
var tmp = [];
var sel = [];
for (var i = 0; i < ids.length; i++) {
var elem = $("RROW-" + ids[i]);
if (elem.className && elem.hasClassName("Selected") &&
ids[i] != active_post_id) {
new Effect.Fade(elem, {duration : 0.5});
sel.push(ids[i]);
} else {
tmp.push(ids[i]);
}
}
if (sel.length > 0)
selectionToggleUnread(false);
fixHeadlinesOrder(tmp);
} catch (e) {
exception_error("dismissSelectedArticles", e);
}
}
function dismissReadArticles() {
try {
var ids = getVisibleArticleIds();
var tmp = [];
for (var i = 0; i < ids.length; i++) {
var elem = $("RROW-" + ids[i]);
if (elem.className && !elem.hasClassName("Unread") &&
!elem.hasClassName("Selected")) {
new Effect.Fade(elem, {duration : 0.5});
} else {
tmp.push(ids[i]);
}
}
fixHeadlinesOrder(tmp);
} catch (e) {
exception_error("dismissSelectedArticles", e);
}
}
function getVisibleArticleIds() {
var ids = [];
try {
getLoadedArticleIds().each(function(id) {
var elem = $("RROW-" + id);
if (elem && Element.visible(elem))
ids.push(id);
});
} catch (e) {
exception_error("getVisibleArticleIds", e);
}
return ids;
}
function cdmClicked(event, id) {
try {
var shift_key = event.shiftKey;
hideAuxDlg();
if (!event.ctrlKey) {
selectArticles("none");
toggleSelected(id);
var elem = $("RROW-" + id);
if (elem)
elem.removeClassName("Unread");
var upd_img_pic = $("FUPDPIC-" + id);
if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
upd_img_pic.src.match("fresh_sign.png"))) {
upd_img_pic.src = "images/blank_icon.gif";
}
active_post_id = id;
var query = "?op=rpc&subop=catchupSelected" +
"&cmode=0&ids=" + param_escape(id);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
handle_rpc_reply(transport);
} });
return true;
} else {
toggleSelected(id);
}
} catch (e) {
exception_error("cdmClicked");
}
return false;
}
function hlClicked(event, id) {
try {
if (!event.ctrlKey) {
view(id);
return true;
} else {
toggleSelected(id);
return false;
}
} catch (e) {
exception_error("hlClicked");
}
return false;
}
function getFirstVisibleHeadlineId() {
var rows = getVisibleArticleIds();
return rows[0];
}
function getLastVisibleHeadlineId() {
var rows = getVisibleArticleIds();
return rows[rows.length-1];
}
function openArticleInNewWindow(id) {
try {
console.log("openArticleInNewWindow: " + id);
var query = "?op=rpc&subop=getArticleLink&id=" + id;
var wname = "ttrss_article_" + id;
console.log(query + " " + wname);
var w = window.open("", wname);
if (!w) notify_error("Failed to open window for the article");
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
var link = transport.responseXML.getElementsByTagName("link")[0];
var id = transport.responseXML.getElementsByTagName("id")[0];
console.log("open_article received link: " + link);
if (link && id) {
var wname = "ttrss_article_" + id.firstChild.nodeValue;
console.log("link url: " + link.firstChild.nodeValue + ", wname " + wname);
var w = window.open(link.firstChild.nodeValue, wname);
if (!w) { notify_error("Failed to load article in new window"); }
if (id) {
id = id.firstChild.nodeValue;
window.setTimeout("toggleUnread(" + id + ", 0)", 100);
}
} else {
notify_error("Can't open article: received invalid article link");
}
} });
} catch (e) {
exception_error("openArticleInNewWindow", e);
}
}
function isCdmMode() {
return getInitParam("combined_display_mode");
}
function markHeadline(id) {
var row = $("RROW-" + id);
if (row) {
var check = $("RCHK-" + id);
if (check) {
check.checked = true;
}
row.addClassName("Selected");
}
}
function getRelativePostIds(id, limit) {
var tmp = [];
try {
if (!limit) limit = 3;
var ids = getVisibleArticleIds();
for (var i = 0; i < ids.length; i++) {
if (ids[i] == id) {
for (var k = 1; k <= limit; k++) {
if (i > k-1) tmp.push(ids[i-k]);
if (i < ids.length-k) tmp.push(ids[i+k]);
}
break;
}
}
} catch (e) {
exception_error("getRelativePostIds", e);
}
return tmp;
}
function correctHeadlinesOffset(id) {
try {
var container = $("headlines-frame");
var row = $("RROW-" + id);
var viewport = container.offsetHeight;
var rel_offset_top = row.offsetTop - container.scrollTop;
var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
//console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
//console.log("Vport: " + viewport);
if (rel_offset_top <= 0 || rel_offset_top > viewport) {
container.scrollTop = row.offsetTop;
} else if (rel_offset_bottom > viewport) {
/* doesn't properly work with Opera in some cases because
Opera fucks up element scrolling */
container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
}
} catch (e) {
exception_error("correctHeadlinesOffset", e);
}
}
function headlineActionsChange(elem) {
try {
var op = elem[elem.selectedIndex].value;
eval(op);
elem.selectedIndex = 0;
} catch (e) {
exception_error("headlineActionsChange", e);
}
}