ttrss/js/feedlist.js

572 lines
12 KiB
JavaScript

var _infscroll_disable = 0;
var _infscroll_request_sent = 0;
var _search_query = false;
var _viewfeed_last = 0;
var counters_last_request = 0;
function viewCategory(cat) {
viewfeed(cat, '', true);
return false;
}
function loadMoreHeadlines() {
try {
console.log("loadMoreHeadlines");
var offset = 0;
var view_mode = document.forms["main_toolbar_form"].view_mode.value;
var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length;
var num_all = $$("#headlines-frame > div[id*=RROW]").length;
var num_unread = getFeedUnread(getActiveFeedId(), activeFeedIsCat());
// TODO implement marked & published
if (view_mode == "marked") {
console.warn("loadMoreHeadlines: marked is not implemented, falling back.");
offset = num_all;
} else if (view_mode == "published") {
console.warn("loadMoreHeadlines: published is not implemented, falling back.");
offset = num_all;
} else if (view_mode == "unread") {
offset = unread_in_buffer;
} else if (_search_query) {
offset = num_all;
} else if (view_mode == "adaptive") {
if (num_unread > 0)
offset = unread_in_buffer;
else
offset = num_all;
} else {
offset = num_all;
}
console.log("offset: " + offset);
viewfeed(getActiveFeedId(), '', activeFeedIsCat(), offset, false, true);
} catch (e) {
exception_error("viewNextFeedPage", e);
}
}
function viewfeed(feed, method, is_cat, offset, background, infscroll_req) {
try {
if (is_cat == undefined)
is_cat = false;
else
is_cat = !!is_cat;
if (method == undefined) method = '';
if (offset == undefined) offset = 0;
if (background == undefined) background = false;
if (infscroll_req == undefined) infscroll_req = false;
last_requested_article = 0;
var cached_headlines = false;
if (feed == getActiveFeedId() && activeFeedIsCat() == is_cat) {
cache_delete("feed:" + feed + ":" + is_cat);
} else {
cached_headlines = cache_get("feed:" + feed + ":" + is_cat);
if (!background && _search_query) _search_query = false;
// switching to a different feed, we might as well catchup stuff visible
// in headlines buffer (if any)
// disabled for now because this behavior is considered confusing -fox
/* if (!background && isCdmMode() && getInitParam("cdm_auto_catchup") == 1 && parseInt(getActiveFeedId()) > 0) {
$$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
function(child) {
var hf = $("headlines-frame");
if (hf.scrollTop + hf.offsetHeight >=
child.offsetTop + child.offsetHeight) {
var id = child.id.replace("RROW-", "");
if (catchup_id_batch.indexOf(id) == -1)
catchup_id_batch.push(id);
}
if (catchup_id_batch.length > 0) {
window.clearTimeout(catchup_timeout_id);
if (!_infscroll_request_sent) {
catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
2000);
}
}
});
} */
}
if (!background) {
_viewfeed_last = get_timestamp();
if (getActiveFeedId() != feed || offset == 0) {
active_post_id = 0;
_infscroll_disable = 0;
}
if (!offset && !method && cached_headlines && !background) {
try {
render_local_headlines(feed, is_cat, JSON.parse(cached_headlines));
return;
} catch (e) {
console.warn("render_local_headlines failed: " + e);
}
}
if (offset != 0 && !method) {
var timestamp = get_timestamp();
if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
//console.log("infscroll request in progress, aborting");
return;
}
_infscroll_request_sent = timestamp;
}
hideAuxDlg();
}
Form.enable("main_toolbar_form");
var toolbar_query = Form.serialize("main_toolbar_form");
var query = "?op=feeds&method=view&feed=" + feed + "&" +
toolbar_query;
if (method) {
query = query + "&m=" + param_escape(method);
}
if (!background) {
if (_search_query) {
force_nocache = true;
query = query + "&" + _search_query;
//_search_query = false;
}
if (offset != 0) {
query = query + "&skip=" + offset;
// to prevent duplicate feed titles when showing grouped vfeeds
if (vgroup_last_feed) {
query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
}
} else {
if (!method && !is_cat && feed == getActiveFeedId()) {
query = query + "&m=ForceUpdate";
}
}
Form.enable("main_toolbar_form");
if (!offset)
if (!is_cat) {
if (!setFeedExpandoIcon(feed, is_cat, 'images/indicator_white.gif'))
notify_progress("Loading, please wait...", true);
} else {
notify_progress("Loading, please wait...", true);
}
}
query += "&cat=" + is_cat;
console.log(query);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
setFeedExpandoIcon(feed, is_cat, 'images/blank_icon.gif');
headlines_callback2(transport, offset, background, infscroll_req);
} });
} catch (e) {
exception_error("viewfeed", e);
}
}
function feedlist_init() {
try {
console.log("in feedlist init");
hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
document.onkeydown = hotkey_handler;
setTimeout("hotkey_prefix_timeout()", 5*1000);
if (!getActiveFeedId()) {
viewfeed(-3);
} else {
viewfeed(getActiveFeedId(), '', activeFeedIsCat());
}
hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
request_counters(true);
timeout();
setTimeout("precache_headlines_idle()", 15000);
} catch (e) {
exception_error("feedlist/init", e);
}
}
function request_counters(force) {
try {
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
if (force || timestamp - counters_last_request > 5) {
console.log("scheduling request of counters...");
counters_last_request = timestamp;
var query = "?op=rpc&method=getAllCounters&seq=" + next_seq();
if (!force)
query = query + "&last_article_id=" + getInitParam("last_article_id");
console.log(query);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
try {
handle_rpc_json(transport);
} catch (e) {
exception_error("request_counters", e);
}
} });
} else {
console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
}
} catch (e) {
exception_error("request_counters", e);
}
}
function displayNewContentPrompt(id) {
try {
var msg = "<a href='#' onclick='viewCurrentFeed()'>" +
__("New articles available in this feed (click to show)") + "</a>";
msg = msg.replace("%s", getFeedName(id));
$('auxDlg').innerHTML = msg;
new Effect.Appear('auxDlg', {duration : 0.5});
} catch (e) {
exception_error("displayNewContentPrompt", e);
}
}
function parse_counters(elems, scheduled_call) {
try {
for (var l = 0; l < elems.length; l++) {
var id = elems[l].id;
var kind = elems[l].kind;
var ctr = parseInt(elems[l].counter);
var error = elems[l].error;
var has_img = elems[l].has_img;
var updated = elems[l].updated;
if (id == "global-unread") {
global_unread = ctr;
updateTitle();
continue;
}
if (id == "subscribed-feeds") {
feeds_found = ctr;
continue;
}
if (id == getActiveFeedId() && ctr > getFeedUnread(id) && scheduled_call) {
displayNewContentPrompt(id);
}
if (getFeedUnread(id, (kind == "cat")) != ctr ||
(kind == "cat")) {
cache_delete("feed:" + id + ":" + (kind == "cat"));
}
setFeedUnread(id, (kind == "cat"), ctr);
if (kind != "cat") {
setFeedValue(id, false, 'error', error);
setFeedValue(id, false, 'updated', updated);
if (id > 0) {
if (has_img) {
setFeedIcon(id, false,
getInitParam("icons_url") + "/" + id + ".ico");
} else {
setFeedIcon(id, false, 'images/blank_icon.gif');
}
}
}
}
hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
} catch (e) {
exception_error("parse_counters", e);
}
}
function getFeedUnread(feed, is_cat) {
try {
var tree = dijit.byId("feedTree");
if (tree && tree.model)
return tree.model.getFeedUnread(feed, is_cat);
} catch (e) {
//
}
return -1;
}
function getFeedCategory(feed) {
try {
var tree = dijit.byId("feedTree");
if (tree && tree.model)
return tree.getFeedCategory(feed);
} catch (e) {
//
}
return false;
}
function hideOrShowFeeds(hide) {
var tree = dijit.byId("feedTree");
if (tree)
return tree.hideRead(hide, getInitParam("hide_read_shows_special"));
}
function getFeedName(feed, is_cat) {
var tree = dijit.byId("feedTree");
if (tree && tree.model)
return tree.model.getFeedValue(feed, is_cat, 'name');
}
function getFeedValue(feed, is_cat, key) {
try {
var tree = dijit.byId("feedTree");
if (tree && tree.model)
return tree.model.getFeedValue(feed, is_cat, key);
} catch (e) {
//
}
return '';
}
function setFeedUnread(feed, is_cat, unread) {
try {
var tree = dijit.byId("feedTree");
if (tree && tree.model)
return tree.model.setFeedUnread(feed, is_cat, unread);
} catch (e) {
exception_error("setFeedUnread", e);
}
}
function setFeedValue(feed, is_cat, key, value) {
try {
var tree = dijit.byId("feedTree");
if (tree && tree.model)
return tree.model.setFeedValue(feed, is_cat, key, value);
} catch (e) {
//
}
}
function selectFeed(feed, is_cat) {
try {
var tree = dijit.byId("feedTree");
if (tree) return tree.selectFeed(feed, is_cat);
} catch (e) {
exception_error("selectFeed", e);
}
}
function setFeedIcon(feed, is_cat, src) {
try {
var tree = dijit.byId("feedTree");
if (tree) return tree.setFeedIcon(feed, is_cat, src);
} catch (e) {
exception_error("setFeedIcon", e);
}
}
function setFeedExpandoIcon(feed, is_cat, src) {
try {
var tree = dijit.byId("feedTree");
if (tree) return tree.setFeedExpandoIcon(feed, is_cat, src);
} catch (e) {
exception_error("setFeedIcon", e);
}
return false;
}
function getNextUnreadFeed(feed, is_cat) {
try {
var tree = dijit.byId("feedTree");
var nuf = tree.model.getNextUnreadFeed(feed, is_cat);
if (nuf)
return tree.model.store.getValue(nuf, 'bare_id');
} catch (e) {
exception_error("getNextUnreadFeed", e);
}
}
function catchupCurrentFeed() {
return catchupFeed(getActiveFeedId(), activeFeedIsCat());
}
function catchupFeedInGroup(id) {
try {
var title = getFeedName(id);
var str = __("Mark all articles in %s as read?").replace("%s", title);
if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
return viewCurrentFeed('MarkAllReadGR:' + id);
}
} catch (e) {
exception_error("catchupFeedInGroup", e);
}
}
function catchupFeed(feed, is_cat) {
try {
if (is_cat == undefined) is_cat = false;
var str = __("Mark all articles in %s as read?");
var fn = getFeedName(feed, is_cat);
str = str.replace("%s", fn);
if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
return;
}
var max_id = 0;
if (feed == getActiveFeedId() && is_cat == activeFeedIsCat()) {
$$("#headlines-frame > div[id*=RROW]").each(
function(child) {
var id = parseInt(child.id.replace("RROW-", ""));
if (id > max_id) max_id = id;
}
);
}
var catchup_query = "?op=rpc&method=catchupFeed&feed_id=" +
feed + "&is_cat=" + is_cat + "&max_id=" + max_id;
console.log(catchup_query);
notify_progress("Loading, please wait...", true);
new Ajax.Request("backend.php", {
parameters: catchup_query,
onComplete: function(transport) {
handle_rpc_json(transport);
if (feed == getActiveFeedId() && is_cat == activeFeedIsCat()) {
$$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
function(child) {
child.removeClassName("Unread");
}
);
}
var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
if (show_next_feed) {
var nuf = getNextUnreadFeed(feed, is_cat);
if (nuf) {
viewfeed(nuf, '', is_cat);
}
}
notify("");
} });
} catch (e) {
exception_error("catchupFeed", e);
}
}
function decrementFeedCounter(feed, is_cat) {
try {
var ctr = getFeedUnread(feed, is_cat);
if (ctr > 0) {
setFeedUnread(feed, is_cat, ctr - 1);
global_unread = global_unread - 1;
updateTitle();
if (!is_cat) {
var cat = parseInt(getFeedCategory(feed));
if (!isNaN(cat)) {
ctr = getFeedUnread(cat, true);
if (ctr > 0) {
setFeedUnread(cat, true, ctr - 1);
}
}
}
}
cache_delete("feed:" + feed + ":" + is_cat);
} catch (e) {
exception_error("decrement_feed_counter", e);
}
}