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Add messages in batches 

Not immediately useful, but it will help us speed up templating later.

(imported from commit 48cd554b322eede506b0cbcd4b26ef427cb2c804)
This commit is contained in:
Keegan McAllister 2012-09-24 15:21:23 -04:00
parent 40ac817f4e
commit ad0bed506a
1 changed files with 37 additions and 47 deletions
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60
zephyr/static/js/zephyr.js
View File

@ -480,13 +480,7 @@ function do_narrow(description, filter_function) {
// Empty the filtered table right before we fill it again
$("#zfilt").empty();
$.each(zephyr_array, function (dummy, zephyr) {
if (filter_function(zephyr)) {
// It matched the filter, push it on to the array.
add_to_tables(zephyr, parent, 'zfilt');
parent = zephyr;
}
});
add_to_tables(zephyr_array, 'zfilt', filter_function);
// Show the new set of messages.
$("#zfilt").addClass("focused_table");
@ -631,23 +625,25 @@ function same_sender(a, b) {
(a.sender_email === b.sender_email));
}
function add_to_tables(zephyr, parent, table_name) {
function add_to_tables(zephyrs, table_name, filter_function) {
var table = $('#' + table_name);
var prev = zephyr_dict[table.find('tr:last-child').attr('zid')];
if (same_recipient(parent, zephyr)) {
$.each(zephyrs, function (index, zephyr) {
if (! filter_function(zephyr))
return;
if (same_recipient(prev, zephyr)) {
zephyr.include_recipient = false;
} else {
zephyr.include_recipient = true;
if (parent !== undefined) {
// add a space to the table, but not if we have no parent because
// we don't want a bookend as the first element.
if (prev !== undefined)
// add a space to the table, but not for the first element.
table.append('<tr><td /><td /><td class="bookend" /></tr>');
}
}
if (same_sender(parent, zephyr) && !zephyr.include_recipient) {
if (same_sender(prev, zephyr) && !zephyr.include_recipient) {
zephyr.include_sender = false;
table.find('tr:last-child td:last-child').addClass("collapsed_parent");
} else {
zephyr.include_sender = true;
@ -658,10 +654,12 @@ function add_to_tables(zephyr, parent, table_name) {
var new_tr = $(templates.zephyr(zephyr));
table.append(new_tr);
register_huddle_onclick(new_tr, zephyr.sender_email);
prev = zephyr;
});
}
function add_message(index, zephyr) {
function add_zephyr_metadata(dummy, zephyr) {
last_received = Math.max(last_received, zephyr.id);
if (zephyr.type === 'class') {
@ -693,31 +691,23 @@ function add_message(index, zephyr) {
}
}
var time = new Date(zephyr.timestamp * 1000);
var two_digits = function (x) { return ('0' + x).slice(-2); };
zephyr.timestr = two_digits(time.getHours())
+ ':' + two_digits(time.getMinutes());
zephyr.full_date_str = time.toLocaleString();
var parent = zephyr_dict[$('#zhome tr:last-child').attr('zid')];
add_to_tables(zephyr, parent, 'zhome');
// now lets see if the filter applies to the message
var parent_filtered = zephyr_dict[$('#zfilt tr:last-child').attr('zid')];
if (current_view_predicate(zephyr)) {
add_to_tables(zephyr, parent_filtered, 'zfilt');
}
// save the zephyr object, with computed values for various is_*
zephyr_dict[zephyr.id] = zephyr;
}
function add_messages(zephyrs) {
$.each(zephyrs, add_zephyr_metadata);
add_to_tables(zephyrs, 'zhome', home_view);
add_to_tables(zephyrs, 'zfilt', current_view_predicate);
}
$(function () {
$(zephyr_array).each(add_message);
add_messages(zephyr_array);
select_and_show_by_id(initial_pointer);
get_updates_longpoll();
});
@ -741,9 +731,9 @@ function get_updates_longpoll() {
$('#connection-error').hide();
if (data && data.zephyrs) {
$.each(data.zephyrs, function (dummy, zephyr) {
add_message(dummy, zephyr);
zephyr_array.push(zephyr);
add_messages(data.zephyrs);
$.each(data.zephyrs, function () {
zephyr_array.push(this);
});
}
setTimeout(get_updates_longpoll, 0);