zulip/static/js/ui.js

1926 lines
68 KiB
JavaScript

var ui = (function () {
var exports = {};
var actively_scrolling = false;
var narrow_window = false;
exports.actively_scrolling = function () {
return actively_scrolling;
};
// What, if anything, obscures the home tab?
exports.home_tab_obscured = function () {
if ($('.modal:visible').length > 0) {
return 'modal';
}
if (! $('#home').hasClass('active')) {
return 'other_tab';
}
return false;
};
// We want to remember how far we were scrolled on each 'tab'.
// To do so, we need to save away the old position of the
// scrollbar when we switch to a new tab (and restore it
// when we switch back.)
var scroll_positions = {};
exports.change_tab_to = function (tabname) {
$('#gear-menu a[href="' + tabname + '"]').tab('show');
};
exports.focus_on = function (field_id) {
// Call after autocompleting on a field, to advance the focus to
// the next input field.
// Bootstrap's typeahead does not expose a callback for when an
// autocomplete selection has been made, so we have to do this
// manually.
$("#" + field_id).focus();
};
function amount_to_paginate() {
// Some day we might have separate versions of this function
// for Page Up vs. Page Down, but for now it's the same
// strategy in either direction.
var info = viewport.message_viewport_info();
var page_size = info.visible_height;
// We don't want to page up a full page, because Zulip users
// are especially worried about missing messages, so we want
// a little bit of the old page to stay on the screen. The
// value chosen here is roughly 2 or 3 lines of text, but there
// is nothing sacred about it, and somebody more anal than me
// might wish to tie this to the size of some particular DOM
// element.
var overlap_amount = 55;
var delta = page_size - overlap_amount;
// If the user has shrunk their browser a whole lot, pagination
// is not going to be very pleasant, but we can at least
// ensure they go in the right direction.
if (delta < 1) {
delta = 1;
}
return delta;
}
exports.page_up_the_right_amount = function () {
// This function's job is to scroll up the right amount,
// after the user hits Page Up. We do this ourselves
// because we can't rely on the browser to account for certain
// page elements, like the compose box, that sit in fixed
// positions above the message pane. For other scrolling
// related adjustements, try to make those happen in the
// scroll handlers, not here.
var delta = amount_to_paginate();
viewport.scrollTop(viewport.scrollTop() - delta);
};
exports.page_down_the_right_amount = function () {
// see also: page_up_the_right_amount
var delta = amount_to_paginate();
viewport.scrollTop(viewport.scrollTop() + delta);
};
function find_boundary_tr(initial_tr, iterate_row) {
var j, skip_same_td_check = false;
var tr = initial_tr;
// If the selection boundary is somewhere that does not have a
// parent tr, we should let the browser handle the copy-paste
// entirely on its own
if (tr.length === 0) {
return undefined;
}
// If the selection bounary is on a table row that does not have an
// associated message id (because the user clicked between messages),
// then scan downwards until we hit a table row with a message id.
// To ensure we can't enter an infinite loop, bail out (and let the
// browser handle the copy-paste on its own) if we don't hit what we
// are looking for within 10 rows.
for (j = 0; (!tr.is('.message_row')) && j < 10; j++) {
tr = iterate_row(tr);
}
if (j === 10) {
return undefined;
} else if (j !== 0) {
// If we updated tr, then we are not dealing with a selection
// that is entirely within one td, and we can skip the same td
// check (In fact, we need to because it won't work correctly
// in this case)
skip_same_td_check = true;
}
return [rows.id(tr), skip_same_td_check];
}
exports.replace_emoji_with_text = function (element) {
element.find(".emoji").replaceWith(function () {
return $(this).attr("alt");
});
};
function copy_handler(e) {
var selection = window.getSelection();
var i, range, ranges = [], startc, endc, initial_end_tr, start_id, end_id, row, message;
var start_data, end_data;
var skip_same_td_check = false;
var div = $('<div>'), content;
for (i = 0; i < selection.rangeCount; i++) {
range = selection.getRangeAt(i);
ranges.push(range);
startc = $(range.startContainer);
start_data = find_boundary_tr($(startc.parents('div.selectable_row')[0]), function (row) {
return row.next();
});
if (start_data === undefined) {
return;
}
start_id = start_data[0];
endc = $(range.endContainer);
// If the selection ends in the bottom whitespace, we should act as
// though the selection ends on the final message
if (endc.attr('id') === "bottom_whitespace") {
initial_end_tr = $("div.message_row:last");
skip_same_td_check = true;
} else {
initial_end_tr = $(endc.parents('div.selectable_row')[0]);
}
end_data = find_boundary_tr(initial_end_tr, function (row) {
return row.prev();
});
if (end_data === undefined) {
return;
}
end_id = end_data[0];
if (start_data[1] || end_data[1]) {
skip_same_td_check = true;
}
// If the selection starts and ends in the same td,
// we want to let the browser handle the copy-paste mostly on its own
if (!skip_same_td_check &&
startc.parents('div.selectable_row>div')[0] === endc.parents('div.selectable_row>div')[0]) {
// If the user is not running the desktop app, let the browser handle
// the copy entirely on its own
if (window.bridge === undefined) {
return;
}
// If the user is running the desktop app, we still create "div"
// so that we can replace emoji with their text
div.append(range.cloneContents());
}
else {
// Construct a div for what we want to copy (div)
for (row = current_msg_list.get_row(start_id);
rows.id(row) <= end_id;
row = rows.next_visible(row))
{
if (row.prev().hasClass("recipient_row")) {
content = $('<div>').text(row.prev().children(".right_part").text()
.replace(/\s+/g, " ")
.replace(/^\s/, "").replace(/\s$/, ""));
div.append($('<p>').append($('<strong>').text(content.text())));
}
message = current_msg_list.get(rows.id(row));
var message_firstp = $(message.content).slice(0, 1);
message_firstp.prepend(message.sender_full_name + ": ");
div.append(message_firstp);
div.append($(message.content).slice(1));
}
}
}
if (window.bridge !== undefined) {
// If the user is running the desktop app,
// convert emoji images to plain text for
// copy-paste purposes.
exports.replace_emoji_with_text(div);
}
// Select div so that the browser will copy it
// instead of copying the original selection
div.css({position: 'absolute', 'left': '-99999px'})
.attr('id', 'copytempdiv');
$('body').append(div);
selection.selectAllChildren(div[0]);
// After the copy has happened, delete the div and
// change the selection back to the original selection
window.setTimeout(function () {
selection = window.getSelection();
selection.removeAllRanges();
_.each(ranges, function (range) {
selection.addRange(range);
});
$('#copytempdiv').remove();
},0);
}
$(function () {
$(document).bind('copy', copy_handler);
});
/* We use 'visibility' rather than 'display' and jQuery's show() / hide(),
because we want to reserve space for the email address. This avoids
things jumping around slightly when the email address is shown. */
var current_message_hover;
function message_unhover() {
var message;
if (current_message_hover === undefined) {
return;
}
message = current_msg_list.get(rows.id(current_message_hover));
if (message && message.sent_by_me) {
current_message_hover.find('.message_content').find('span.edit_content').remove();
}
current_message_hover.removeClass('message_hovered');
current_message_hover = undefined;
}
function message_hover(message_row) {
var message;
var edit_content_button = '<span class="edit_content"><i class="icon-vector-pencil edit_content_button"></i></span>';
if (current_message_hover && message_row && current_message_hover.attr("zid") === message_row.attr("zid")) {
return;
}
// Don't allow on-hover editing for local-only messages
if (message_row.hasClass('local')) {
return;
}
message = current_msg_list.get(rows.id(message_row));
message_unhover();
message_row.addClass('message_hovered');
if (message && message.sent_by_me && !message.status_message && !feature_flags.disable_message_editing) {
message_row.find('.message_content').find('p:last').append(edit_content_button);
}
current_message_hover = message_row;
}
exports.report_message = function (response, status_box, cls) {
if (cls === undefined) {
cls = 'alert';
}
status_box.removeClass(status_classes).addClass(cls)
.text(response).stop(true).fadeTo(0, 1);
status_box.show();
};
exports.report_error = function (response, xhr, status_box) {
if (xhr.status.toString().charAt(0) === "4") {
// Only display the error response for 4XX, where we've crafted
// a nice response.
response += ": " + $.parseJSON(xhr.responseText).msg;
}
ui.report_message(response, status_box, 'alert-error');
};
exports.report_success = function (response, status_box) {
ui.report_message(response, status_box, 'alert-success');
};
var clicking = false;
var mouse_moved = false;
function mousedown() {
mouse_moved = false;
clicking = true;
}
function mousemove() {
if (clicking) {
mouse_moved = true;
}
}
function need_skinny_mode() {
if (window.matchMedia !== undefined) {
return window.matchMedia("(max-width: 767px)").matches;
} else {
// IE<10 doesn't support window.matchMedia, so do this
// as best we can without it.
return window.innerWidth <= 767;
}
}
function confine_to_range(lo, val, hi) {
if (val < lo) {
return lo;
}
if (val > hi) {
return hi;
}
return val;
}
function size_blocks(blocks, usable_height) {
var n = blocks.length;
var sum_height = 0;
_.each(blocks, function (block) {
sum_height += block.real_height;
});
_.each(blocks, function (block) {
var ratio = block.real_height / sum_height;
block.max_height = confine_to_range(40, usable_height * ratio, 1.2 * block.real_height);
});
}
function set_user_list_heights(res, usable_height, user_presences, group_pms) {
// Calculate these heights:
// res.user_presences_max_height
// res.group_pms_max_height
var blocks = [
{
real_height: user_presences.prop('scrollHeight')
},
{
real_height: group_pms.prop('scrollHeight')
}
];
size_blocks(blocks, usable_height);
res.user_presences_max_height = blocks[0].max_height;
res.group_pms_max_height = blocks[1].max_height;
}
function get_new_heights() {
var res = {};
var viewport_height = viewport.height();
var top_navbar_height = $("#top_navbar").outerHeight(true);
var invite_user_link_height = $("#invite-user-link").outerHeight(true) || 0;
res.bottom_whitespace_height = viewport_height * 0.4;
res.main_div_min_height = viewport_height - top_navbar_height;
res.bottom_sidebar_height = viewport_height - top_navbar_height - 40;
res.right_sidebar_height = viewport_height - parseInt($("#right-sidebar").css("marginTop"), 10);
res.stream_filters_max_height =
res.bottom_sidebar_height
- $("#global_filters").outerHeight(true)
- $("#streams_header").outerHeight(true)
- 10; // stream_filters margin-bottom
if ($("#share-the-love").is(":visible")) {
res.stream_filters_max_height -=
$("#share-the-love").outerHeight(true)
+ 20; // share-the-love margins + 10px of ??
}
// Don't let us crush the stream sidebar completely out of view
res.stream_filters_max_height = Math.max(40, res.stream_filters_max_height);
// RIGHT SIDEBAR
var user_presences = $('#user_presences').expectOne();
var group_pms = $('#group-pms').expectOne();
var usable_height =
res.right_sidebar_height
- $("#feedback_section").outerHeight(true)
- parseInt(user_presences.css("marginTop"),10)
- parseInt(user_presences.css("marginBottom"), 10)
- $("#userlist-header").outerHeight(true)
- invite_user_link_height
- parseInt(group_pms.css("marginTop"),10)
- parseInt(group_pms.css("marginBottom"), 10)
- $("#group-pm-header").outerHeight(true);
// set these
// res.user_presences_max_height
// res.group_pms_max_height
set_user_list_heights(
res,
usable_height,
user_presences,
group_pms
);
return res;
}
function left_userlist_get_new_heights() {
var res = {};
var viewport_height = viewport.height();
var viewport_width = viewport.width();
var top_navbar_height = $(".header").outerHeight(true);
var stream_filters = $('#stream_filters').expectOne();
var user_presences = $('#user_presences').expectOne();
var group_pms = $('#group-pms').expectOne();
var stream_filters_real_height = stream_filters.prop("scrollHeight");
var user_list_real_height = user_presences.prop("scrollHeight");
var group_pms_real_height = group_pms.prop("scrollHeight");
res.bottom_whitespace_height = viewport_height * 0.4;
res.main_div_min_height = viewport_height - top_navbar_height;
res.bottom_sidebar_height = viewport_height
- parseInt($("#left-sidebar").css("marginTop"),10)
- parseInt($(".bottom_sidebar").css("marginTop"),10);
res.total_leftlist_height = res.bottom_sidebar_height
- $("#global_filters").outerHeight(true)
- $("#streams_header").outerHeight(true)
- $("#userlist-header").outerHeight(true)
- $("#group-pm-header").outerHeight(true)
- parseInt(stream_filters.css("marginBottom"),10)
- parseInt(user_presences.css("marginTop"), 10)
- parseInt(user_presences.css("marginBottom"), 10)
- parseInt(group_pms.css("marginTop"), 10)
- parseInt(group_pms.css("marginBottom"), 10)
- 15;
var blocks = [
{
real_height: stream_filters_real_height
},
{
real_height: user_list_real_height
},
{
real_height: group_pms_real_height
}
];
size_blocks(blocks, res.total_leftlist_height);
res.stream_filters_max_height = blocks[0].max_height;
res.user_presences_max_height = blocks[1].max_height;
res.group_pms_max_height = blocks[2].max_height;
res.viewport_height = viewport_height;
res.viewport_width = viewport_width;
return res;
}
exports.resize_bottom_whitespace = function (h) {
if (page_params.autoscroll_forever) {
$("#bottom_whitespace").height($("#compose-container")[0].offsetHeight);
} else if (h !== undefined) {
$("#bottom_whitespace").height(h.bottom_whitespace_height);
}
};
exports.resize_page_components = function () {
var composebox = $("#compose");
var floating_recipient_bar = $("#floating_recipient_bar");
var tab_bar = $("#tab_bar");
var tab_bar_under = $("#tab_bar_underpadding");
var desired_width;
if (exports.home_tab_obscured() === 'other_tab') {
desired_width = $("div.tab-pane.active").outerWidth();
} else {
desired_width = $("#main_div").outerWidth();
}
tab_bar.width(desired_width);
tab_bar_under.width(desired_width);
var h;
var sidebar;
if (feature_flags.left_side_userlist) {
var css_narrow_mode = viewport.is_narrow();
if (css_narrow_mode && !narrow_window) {
// move stuff to the left sidebar (skinny mode)
narrow_window = true;
popovers.set_userlist_placement("left");
sidebar = $(".bottom_sidebar").expectOne();
sidebar.append($("#user-list").expectOne());
sidebar.append($("#group-pm-list").expectOne());
sidebar.append($("#share-the-love").expectOne());
$("#user_presences").css("margin", "0px");
$("#group-pms").css("margin", "0px");
$("#userlist-toggle").css("display", "none");
$("#invite-user-link").hide();
}
else if (!css_narrow_mode && narrow_window) {
// move stuff to the right sidebar (wide mode)
narrow_window = false;
popovers.set_userlist_placement("right");
sidebar = $("#right-sidebar").expectOne();
sidebar.append($("#user-list").expectOne());
sidebar.append($("#group-pm-list").expectOne());
$("#user_presences").css("margin", '');
$("#group-pms").css("margin", '');
$("#userlist-toggle").css("display", '');
$("#invite-user-link").show();
}
}
h = narrow_window ? left_userlist_get_new_heights() : get_new_heights();
exports.resize_bottom_whitespace(h);
$("#stream_filters").css('max-height', h.stream_filters_max_height);
$("#user_presences").css('max-height', h.user_presences_max_height);
$("#group-pms").css('max-height', h.group_pms_max_height);
};
var _old_width = $(window).width();
function resizehandler(e) {
var new_width = $(window).width();
if (new_width !== _old_width) {
_old_width = new_width;
exports.clear_message_content_height_cache();
}
popovers.hide_all();
exports.resize_page_components();
// This function might run onReady (if we're in a narrow window),
// but before we've loaded in the messages; in that case, don't
// try to scroll to one.
if (current_msg_list.selected_id() !== -1) {
scroll_to_selected();
}
// When the screen resizes, it can make it so that messages are
// now on the page, so we need to update the notifications bar.
// We may want to do more here in terms of updating unread counts,
// but it's possible that resize events can happen as part of
// screen resolution changes, so we might want to wait for a more
// intentional action to say that the user has "read" a message.
var res = unread.get_counts();
notifications_bar.update(res.home_unread_messages);
}
var is_floating_recipient_bar_showing = false;
function show_floating_recipient_bar() {
if (!is_floating_recipient_bar_showing) {
$("#floating_recipient_bar").css('visibility', 'visible');
is_floating_recipient_bar_showing = true;
}
}
var old_label;
function replace_floating_recipient_bar(desired_label) {
var new_label, other_label, header;
if (desired_label !== old_label) {
if (desired_label.children(".message_header_stream").length !== 0) {
new_label = $("#current_label_stream");
other_label = $("#current_label_private_message");
header = desired_label.children(".message_header_stream.right_part");
$("#current_label_stream .message_header_colorblock").css(
"background-color",
desired_label.children(".message_header_colorblock")
.css("background-color"));
} else {
new_label = $("#current_label_private_message");
other_label = $("#current_label_stream");
header = desired_label.children(".message_header_private_message.right_part");
}
new_label.find(".right_part").replaceWith(header.clone());
other_label.css('display', 'none');
new_label.css('display', 'block');
new_label.attr("zid", rows.id(desired_label));
new_label.toggleClass('faded', desired_label.hasClass('faded'));
old_label = desired_label;
}
show_floating_recipient_bar();
}
function hide_floating_recipient_bar() {
if (is_floating_recipient_bar_showing) {
$("#floating_recipient_bar").css('visibility', 'hidden');
is_floating_recipient_bar_showing = false;
}
}
exports.update_floating_recipient_bar = function () {
var floating_recipient_bar = $("#floating_recipient_bar");
var floating_recipient_bar_top = floating_recipient_bar.offset().top;
var floating_recipient_bar_bottom = floating_recipient_bar_top + floating_recipient_bar.outerHeight();
// Find the last message where the top of the recipient
// row is at least partially occluded by our box.
// Start with the pointer's current location.
var candidate = current_msg_list.selected_row();
if (candidate === undefined) {
return;
}
while (true) {
candidate = candidate.prev();
if (candidate.length === 0) {
// We're at the top of the page and no labels are above us.
hide_floating_recipient_bar();
return;
}
if (candidate.is(".focused_table .recipient_row")) {
if (candidate.offset().top < floating_recipient_bar_bottom) {
break;
}
}
}
var current_label = candidate;
// We now know what the floating stream/subject bar should say.
// Do we show it?
// Hide if the bottom of our floating stream/subject label is not
// lower than the bottom of current_label (since that means we're
// covering up a label that already exists).
if (floating_recipient_bar_bottom <=
(current_label.offset().top + current_label.outerHeight())) {
hide_floating_recipient_bar();
return;
}
// Hide if our bottom is in our bookend (or one bookend-height
// above it). This means we're not showing any useful part of the
// message above us, so why bother showing the label?
var current_bookend = current_label.nextUntil(".bookend_tr")
.andSelf()
.next(".bookend_tr:first");
// (The last message currently doesn't have a bookend, which is why this might be 0).
if (current_bookend.length > 0) {
if (floating_recipient_bar_bottom >
(current_bookend.offset().top - current_bookend.outerHeight())) {
hide_floating_recipient_bar();
return;
}
}
replace_floating_recipient_bar(current_label);
};
function hack_for_floating_recipient_bar() {
// So, as of this writing, Firefox respects visibility: collapse,
// but WebKit does not (at least, my Chrome doesn't.) Instead it
// renders it basically as visibility: hidden, which leaves a
// slight gap that our messages peek through as they scroll
// by. This hack fixes this by programmatically measuring how big
// the gap is, and then moving our table up to compensate.
var gap = $("#floating_recipient_layout_row").outerHeight(true);
var floating_recipient = $(".floating_recipient");
var offset = floating_recipient.offset();
offset.top = offset.top - gap;
floating_recipient.offset(offset);
}
var batched_updaters = {};
function sync_message_flag(messages, flag_name, set_flag) {
var op = set_flag ? 'add' : 'remove';
var flag_key = flag_name + '_' + op;
var updater;
if (batched_updaters.hasOwnProperty(flag_key)) {
updater = batched_updaters[flag_key];
} else {
updater = batched_flag_updater(flag_name, op, true);
batched_updaters[flag_key] = updater;
}
_.each(messages, function (message) {
updater(message);
});
}
function sync_message_collapse(message, collapsed) {
sync_message_flag([message], "collapsed", collapsed);
}
function sync_message_star(message, starred) {
sync_message_flag([message], "starred", starred);
}
function update_message_in_all_views(message_id, callback) {
_.each([all_msg_list, home_msg_list, narrowed_msg_list], function (list) {
if (list === undefined) {
return;
}
var row = list.get_row(message_id);
if (row === undefined) {
// The row may not exist, e.g. if you do an action on a message in
// a narrowed view
return;
}
callback(row);
});
}
function find_message(message_id) {
// Try to find the message object. It might be in the narrow list
// (if it was loaded when narrowed), or only in the all_msg_list
// (if received from the server while in a different narrow)
var message;
_.each([all_msg_list, home_msg_list, narrowed_msg_list], function (msg_list) {
if (msg_list !== undefined && message === undefined) {
message = msg_list.get(message_id);
}
});
return message;
}
exports.update_starred = function (message_id, starred) {
// Update the message object pointed to by the various message
// lists.
var message = find_message(message_id);
mark_message_as_read(message);
message.starred = starred;
// Avoid a full re-render, but update the star in each message
// table in which it is visible.
update_message_in_all_views(message_id, function update_row(row) {
var elt = row.find(".message_star");
if (starred) {
elt.addClass("icon-vector-star").removeClass("icon-vector-star-empty").removeClass("empty-star");
} else {
elt.removeClass("icon-vector-star").addClass("icon-vector-star-empty").addClass("empty-star");
}
var title_state = message.starred ? "Unstar" : "Star";
elt.attr("title", title_state + " this message");
});
};
function toggle_star(message_id) {
// Update the message object pointed to by the various message
// lists.
var message = find_message(message_id);
mark_message_as_read(message);
exports.update_starred(message.id, message.starred !== true);
sync_message_star(message, message.starred);
}
var local_messages_to_show = [];
var show_message_timestamps = _.throttle(function () {
_.each(local_messages_to_show, function (message_id) {
update_message_in_all_views(message_id, function update_row(row) {
row.find('.message_time').toggleClass('notvisible', false);
});
});
local_messages_to_show = [];
}, 100);
exports.show_local_message_arrived = function (message_id) {
local_messages_to_show.push(message_id);
show_message_timestamps();
};
exports.show_message_failed = function (message_id, failed_msg) {
// Failed to send message, so display inline retry/cancel
update_message_in_all_views(message_id, function update_row(row) {
var failed_div = row.find('.message_failed');
failed_div.toggleClass('notvisible', false);
failed_div.find('.failed_text').attr('title', failed_msg);
});
};
exports.show_failed_message_success = function (message_id) {
// Previously failed message succeeded
update_message_in_all_views(message_id, function update_row(row) {
row.find('.message_failed').toggleClass('notvisible', true);
});
};
exports.small_avatar_url = function (message) {
// Try to call this function in all places where we need 25px
// avatar images, so that the browser can help
// us avoid unnecessary network trips. (For user-uploaded avatars,
// the s=25 parameter is essentially ignored, but it's harmless.)
//
// We actually request these at s=50, so that we look better
// on retina displays.
if (message.avatar_url) {
var url = message.avatar_url + "&s=50";
if (message.sent_by_me) {
url += "&stamp=" + settings.avatar_stamp;
}
return url;
} else {
return "";
}
};
var loading_more_messages_indicator_showing = false;
exports.show_loading_more_messages_indicator = function () {
if (! loading_more_messages_indicator_showing) {
util.make_loading_indicator($('#loading_more_messages_indicator'),
{abs_positioned: true});
loading_more_messages_indicator_showing = true;
hide_floating_recipient_bar();
}
};
exports.hide_loading_more_messages_indicator = function () {
if (loading_more_messages_indicator_showing) {
util.destroy_loading_indicator($("#loading_more_messages_indicator"));
loading_more_messages_indicator_showing = false;
}
};
function show_more_link(row) {
row.find(".message_condenser").hide();
row.find(".message_expander").show();
}
function show_condense_link(row) {
row.find(".message_expander").hide();
row.find(".message_condenser").show();
}
function condense(row) {
var content = row.find(".message_content");
content.addClass("condensed");
show_more_link(row);
}
function uncondense(row) {
var content = row.find(".message_content");
content.removeClass("condensed");
show_condense_link(row);
}
exports.uncollapse = function (row) {
// Uncollapse a message, restoring the condensed message [More] or
// [Condense] link if necessary.
var message = current_msg_list.get(rows.id(row));
var content = row.find(".message_content");
message.collapsed = false;
content.removeClass("collapsed");
sync_message_collapse(message, false);
if (message.condensed === true) {
// This message was condensed by the user, so re-show the
// [More] link.
condense(row);
} else if (message.condensed === false) {
// This message was un-condensed by the user, so re-show the
// [Condense] link.
uncondense(row);
} else if (content.hasClass("could-be-condensed")) {
// By default, condense a long message.
condense(row);
} else {
// This was a short message, no more need for a [More] link.
row.find(".message_expander").hide();
}
};
exports.collapse = function (row) {
// Collapse a message, hiding the condensed message [More] or
// [Condense] link if necessary.
var message = current_msg_list.get(rows.id(row));
message.collapsed = true;
sync_message_collapse(message, true);
row.find(".message_content").addClass("collapsed");
show_more_link(row);
};
exports.expand_summary_row = function (row) {
var message_ids = row.attr('data-messages').split(' ');
var messages = _.map(message_ids, function (id) {
return current_msg_list.get(id);
});
_.each(messages, function (msg){
msg.flags = _.without(msg.flags, 'force_collapse');
msg.flags.push('force_expand');
});
sync_message_flag(messages, 'force_expand', true);
sync_message_flag(messages, 'force_collapse', false);
//TODO: Avoid a full re-render
home_msg_list.rerender();
if (current_msg_list !== home_msg_list) {
current_msg_list.rerender();
}
current_msg_list.select_id(message_ids[0]);
};
exports.collapse_recipient_group = function (row) {
var message_ids = row.attr('data-messages').split(',');
var messages = _.map(message_ids, function (id) {
return all_msg_list.get(id);
});
_.each(messages, function (msg){
msg.flags = _.without(msg.flags, 'force_expand');
msg.flags.push('force_collapse');
});
sync_message_flag(messages, 'force_collapse', true);
sync_message_flag(messages, 'force_expand', false);
//TODO: Avoid a full re-render
home_msg_list.rerender();
if (current_msg_list !== home_msg_list) {
current_msg_list.rerender();
}
current_msg_list.select_id(message_ids[0]);
};
/* EXPERIMENTS */
/* This method allows an advanced user to use the console
* to switch the application to span full width of the browser.
*/
exports.switchToFullWidth = function () {
$("#full-width-style").remove();
$('head').append('<style id="full-width-style" type="text/css">' +
'#home .alert-bar, .recipient-bar-content, #compose-container, .app-main, .header-main { max-width: none; }' +
'</style>');
return ("Switched to full width");
};
/* END OF EXPERIMENTS */
$(function () {
// NB: This just binds to current elements, and won't bind to elements
// created after ready() is called.
$('#send-status .send-status-close').click(
function () { $('#send-status').stop(true).fadeOut(500); }
);
var throttled_mousewheelhandler = $.throttle(50, function (e, delta) {
// Most of the mouse wheel's work will be handled by the
// scroll handler, but when we're at the top or bottom of the
// page, the pointer may still need to move.
if (delta > 0) {
if (viewport.at_top()) {
navigate.up();
}
} else if (delta < 0) {
if (viewport.at_bottom()) {
navigate.down();
}
}
last_viewport_movement_direction = delta;
});
$(window).mousewheel(function (e, delta) {
// Ignore mousewheel events if a modal is visible. It's weird if the
// user can scroll the main view by wheeling over the greyed-out area.
// Similarly, ignore events on settings page etc.
//
// We don't handle the compose box here, because it *should* work to
// select the compose box and then wheel over the message stream.
var obscured = exports.home_tab_obscured();
if (!obscured) {
throttled_mousewheelhandler(e, delta);
} else if (obscured === 'modal') {
// The modal itself has a handler invoked before this one (see below).
// preventDefault here so that the tab behind the modal doesn't scroll.
//
// This needs to include the events that would be ignored by throttling.
// That's why this code can't be moved into throttled_mousewheelhandler.
e.preventDefault();
}
// If on another tab, we neither handle the event nor preventDefault, allowing
// the tab to scroll normally.
});
$(window).resize($.throttle(50, resizehandler));
// Scrolling in modals, input boxes, and other elements that
// explicitly scroll should not scroll the main view. Stop
// propagation in all cases. Also, ignore the event if the
// element is already at the top or bottom. Otherwise we get a
// new scroll event on the parent (?).
$('.modal-body, .scrolling_list, input, textarea').mousewheel(function (e, delta) {
var self = $(this);
var scroll = self.scrollTop();
// The -1 fudge factor is important here due to rounding errors. Better
// to err on the side of not scrolling.
var max_scroll = this.scrollHeight - self.innerHeight() - 1;
e.stopPropagation();
if ( ((delta > 0) && (scroll <= 0))
|| ((delta < 0) && (scroll >= max_scroll))) {
e.preventDefault();
}
});
// Ignore wheel events in the compose area which weren't already handled above.
$('#compose').mousewheel(function (e) {
e.stopPropagation();
e.preventDefault();
});
function clear_password_change() {
// Clear the password boxes so that passwords don't linger in the DOM
// for an XSS attacker to find.
$('#old_password, #new_password, #confirm_password').val('');
}
admin.show_or_hide_menu_item();
$('#gear-menu a[data-toggle="tab"]').on('show', function (e) {
// Save the position of our old tab away, before we switch
var old_tab = $(e.relatedTarget).attr('href');
scroll_positions[old_tab] = viewport.scrollTop();
});
$('#gear-menu a[data-toggle="tab"]').on('shown', function (e) {
var target_tab = $(e.target).attr('href');
exports.resize_bottom_whitespace();
// Hide all our error messages when switching tabs
$('.alert-error').hide();
$('.alert-success').hide();
$('.alert-info').hide();
$('.alert').hide();
$("#api_key_value").text("");
$("#get_api_key_box").hide();
$("#show_api_key_box").hide();
$("#api_key_button_box").show();
clear_password_change();
// Set the URL bar title to show the sub-page you're currently on.
var browser_url = target_tab;
if (browser_url === "#home") {
browser_url = "";
}
hashchange.changehash(browser_url);
// After we show the new tab, restore its old scroll position
// (we apparently have to do this after setting the hash,
// because otherwise that action may scroll us somewhere.)
if (scroll_positions.hasOwnProperty(target_tab)) {
viewport.scrollTop(scroll_positions[target_tab]);
} else {
if (target_tab === '#home') {
scroll_to_selected();
} else {
viewport.scrollTop(0);
}
}
});
var subs_link = $('#gear-menu a[href="#subscriptions"]');
// If the streams page is shown by clicking directly on the "Streams"
// link (in the gear menu), then focus the new stream textbox.
subs_link.on('click', function (e) {
$(document).one('subs_page_loaded.zulip', function (e) {
$('#create_stream_name').focus().select();
});
});
// Whenever the streams page comes up (from anywhere), populate it.
subs_link.on('shown', subs.setup_page);
var admin_link = $('#gear-menu a[href="#administration"]');
admin_link.on('shown', admin.setup_page);
$('#pw_change_link').on('click', function (e) {
e.preventDefault();
$('#pw_change_link').hide();
$('#pw_change_controls').show();
});
$('#new_password').on('change keyup', function () {
password_quality($('#new_password').val(), $('#pw_strength .bar'));
});
var settings_status = $('#settings-status').expectOne();
var notify_settings_status = $('#notify-settings-status').expectOne();
// does this make me a bad person?
var ui_settings_status = feature_flags.show_autoscroll_forever_option && $('#ui-settings-status').expectOne();
function settings_change_error(message) {
// Scroll to the top so the error message is visible.
// We would scroll anyway if we end up submitting the form.
viewport.scrollTop(0);
settings_status.removeClass(status_classes)
.addClass('alert-error')
.text(message).stop(true).fadeTo(0,1);
}
$("form.your-account-settings").expectOne().ajaxForm({
dataType: 'json', // This seems to be ignored. We still get back an xhr.
beforeSubmit: function (arr, form, options) {
if (page_params.password_auth_enabled !== false) {
// FIXME: Check that the two password fields match
// FIXME: Use the same jQuery validation plugin as the signup form?
var new_pw = $('#new_password').val();
if (new_pw !== '') {
var password_ok = password_quality(new_pw);
if (password_ok === undefined) {
// zxcvbn.js didn't load, for whatever reason.
settings_change_error(
'An internal error occurred; try reloading the page. ' +
'Sorry for the trouble!');
return false;
} else if (!password_ok) {
settings_change_error('New password is too weak');
return false;
}
}
}
return true;
},
success: function (resp, statusText, xhr, form) {
var message = "Updated settings!";
var result = $.parseJSON(xhr.responseText);
settings_status.removeClass(status_classes)
.addClass('alert-success')
.text(message).stop(true).fadeTo(0,1);
},
error: function (xhr, error_type, xhn) {
var response = "Error changing settings";
if (xhr.status.toString().charAt(0) === "4") {
// Only display the error response for 4XX, where we've crafted
// a nice response.
response += ": " + $.parseJSON(xhr.responseText).msg;
}
settings_change_error(response);
},
complete: function (xhr, statusText) {
// Whether successful or not, clear the password boxes.
// TODO: Clear these earlier, while the request is still pending.
clear_password_change();
}
});
$("form.notify-settings").expectOne().ajaxForm({
dataType: 'json', // This seems to be ignored. We still get back an xhr.
success: function (resp, statusText, xhr, form) {
var message = "Updated notification settings!";
var result = $.parseJSON(xhr.responseText);
if (result.enable_desktop_notifications !== undefined) {
page_params.desktop_notifications_enabled = result.enable_desktop_notifications;
}
if (result.enable_sounds !== undefined) {
page_params.sounds_enabled = result.enable_sounds;
}
if (result.enable_offline_email_notifications !== undefined) {
page_params.enable_offline_email_notifications = result.enable_offline_email_notifications;
}
if (result.enable_offline_push_notifications !== undefined) {
page_params.enable_offline_push_notifications = result.enable_offline_push_notifications;
}
if (result.enable_digest_emails !== undefined) {
page_params.enable_digest_emails = result.enable_digest_emails;
}
notify_settings_status.removeClass(status_classes)
.addClass('alert-success')
.text(message).stop(true).fadeTo(0,1);
},
error: function (xhr, error_type, xhn) {
var response = "Error changing settings";
if (xhr.status.toString().charAt(0) === "4") {
// Only display the error response for 4XX, where we've crafted
// a nice response.
response += ": " + $.parseJSON(xhr.responseText).msg;
}
notify_settings_status.removeClass(status_classes)
.addClass('alert-error')
.text(response).stop(true).fadeTo(0,1);
}
});
if (feature_flags.show_autoscroll_forever_option) {
$("form.ui-settings").expectOne().ajaxForm({
dataType: 'json',
success: function (resp, statusText, xhr, form) {
var message = "Updated Zulip Labs settings!";
var result = $.parseJSON(xhr.responseText);
if (result.autoscroll_forever !== undefined) {
page_params.autoscroll_forever = result.autoscroll_forever;
exports.resize_page_components();
}
ui_settings_status.removeClass(status_classes)
.addClass('alert-success')
.text(message).stop(true).fadeTo(0,1);
},
error: function (xhr, error_type, xhn) {
var response = "Error changing settings";
if (xhr.status.toString().charAt(0) === "4") {
// Only display the error response for 4XX, where we've crafted
// a nice response.
response += ": " + $.parseJSON(xhr.responseText).msg;
}
ui_settings_status.removeClass(status_classes)
.addClass('alert-error')
.text(response).stop(true).fadeTo(0,1);
}
});
}
$("#get_api_key_box").hide();
$("#show_api_key_box").hide();
$("#get_api_key_box form").ajaxForm({
dataType: 'json', // This seems to be ignored. We still get back an xhr.
success: function (resp, statusText, xhr, form) {
var message = "Updated settings!";
var result = $.parseJSON(xhr.responseText);
$("#get_api_key_password").val("");
$("#api_key_value").text(result.api_key);
$("#show_api_key_box").show();
$("#get_api_key_box").hide();
settings_status.hide();
},
error: function (xhr, error_type, xhn) {
var response = "Error getting API key";
if (xhr.status.toString().charAt(0) === "4") {
// Only display the error response for 4XX, where we've crafted
// a nice response.
response += ": " + $.parseJSON(xhr.responseText).msg;
}
settings_status.removeClass(status_classes)
.addClass('alert-error')
.text(response).stop(true).fadeTo(0,1);
$("#show_api_key_box").hide();
$("#get_api_key_box").show();
}
});
// A little hackish, because it doesn't seem to totally get us the
// exact right width for the floating_recipient_bar and compose
// box, but, close enough for now.
resizehandler();
hack_for_floating_recipient_bar();
if (!feature_flags.left_side_userlist) {
$("#navbar-buttons").addClass("right-userlist");
}
if (feature_flags.summarize_read_while_narrowed) {
$("#main_div").on("click", ".summary_row .messages-expand", function (e) {
exports.expand_summary_row($(e.target).closest('.summary_row').expectOne());
e.stopImmediatePropagation();
});
$("#main_div").on("click", ".recipient_row .messages-collapse", function (e) {
exports.collapse_recipient_group($(e.target).closest('.recipient_row').expectOne());
e.stopImmediatePropagation();
});
}
function is_clickable_message_element(target) {
return target.is("a") || target.is("img.message_inline_image") || target.is("img.twitter-avatar") ||
target.is("div.message_length_controller") || target.is("textarea") || target.is("input") ||
target.is("i.edit_content_button");
}
$("#main_div").on("click", ".messagebox", function (e) {
if (is_clickable_message_element($(e.target))) {
// If this click came from a hyperlink, don't trigger the
// reply action. The simple way of doing this is simply
// to call e.stopPropagation() from within the link's
// click handler.
//
// Unfortunately, on Firefox, this breaks Ctrl-click and
// Shift-click, because those are (apparently) implemented
// by adding an event listener on link clicks, and
// stopPropagation prevents them from being called.
return;
}
if (!(clicking && mouse_moved)) {
// Was a click (not a click-and-drag).
var row = $(this).closest(".message_row");
var id = rows.id(row);
if (message_edit.is_editing(id)) {
// Clicks on a message being edited shouldn't trigger a reply.
return;
}
current_msg_list.select_id(id);
respond_to_message({trigger: 'message click'});
e.stopPropagation();
popovers.hide_all();
}
mouse_moved = false;
clicking = false;
});
$("#main_div").on("mousedown", ".messagebox", mousedown);
$("#main_div").on("mousemove", ".messagebox", mousemove);
$("#main_div").on("mouseover", ".message_row", function (e) {
var row = $(this).closest(".message_row");
message_hover(row);
});
$("#main_div").on("mouseleave", ".message_row", function (e) {
message_unhover();
});
$("#main_div").on("mouseover", ".message_sender", function (e) {
var row = $(this).closest(".message_row");
row.addClass("sender_name_hovered");
});
$("#main_div").on("mouseout", ".message_sender", function (e) {
var row = $(this).closest(".message_row");
row.removeClass("sender_name_hovered");
});
$("#main_div").on("click", ".star", function (e) {
e.stopPropagation();
popovers.hide_all();
toggle_star(rows.id($(this).closest(".message_row")));
});
$("#home").on("click", ".message_expander", function (e) {
// Expanding a message can mean either uncollapsing or
// uncondensing it.
var row = $(this).closest(".message_row");
var message = current_msg_list.get(rows.id(row));
var content = row.find(".message_content");
if (message.collapsed) {
// Uncollapse.
ui.uncollapse(row);
} else if (content.hasClass("condensed")) {
// Uncondense (show the full long message).
message.condensed = false;
content.removeClass("condensed");
$(this).hide();
row.find(".message_condenser").show();
}
});
$("#home").on("click", ".message_condenser", function (e) {
var row = $(this).closest(".message_row");
current_msg_list.get(rows.id(row)).condensed = true;
condense(row);
});
function get_row_id_for_narrowing(narrow_link_elem) {
var row = rows.get_closest_row(narrow_link_elem);
var nearest = current_msg_list.get(rows.id(row));
var selected = current_msg_list.selected_message();
if (util.same_recipient(nearest, selected)) {
return selected.id;
} else {
return nearest.id;
}
}
$("#home").on("click", ".narrows_by_recipient", function (e) {
if (e.metaKey || e.ctrlKey) {
return;
}
e.preventDefault();
var row_id = get_row_id_for_narrowing(this);
narrow.by_recipient(row_id, {trigger: 'message header'});
});
$("#home").on("click", ".narrows_by_subject", function (e) {
if (e.metaKey || e.ctrlKey) {
return;
}
e.preventDefault();
var row_id = get_row_id_for_narrowing(this);
narrow.by_subject(row_id, {trigger: 'message header'});
});
$("#userlist-toggle-button").on("click", function (e) {
e.preventDefault();
e.stopPropagation();
var sidebarHidden = !$(".app-main .column-right").hasClass("expanded");
popovers.hide_all();
if (sidebarHidden) {
popovers.show_userlist_sidebar();
}
});
$("#streamlist-toggle-button").on("click", function (e) {
e.preventDefault();
e.stopPropagation();
var sidebarHidden = !$(".app-main .column-left").hasClass("expanded");
popovers.hide_all();
if (sidebarHidden) {
popovers.show_streamlist_sidebar();
}
});
$("#subscriptions_table").on("mouseover", ".subscription_header", function (e) {
$(this).addClass("active");
});
$("#subscriptions_table").on("mouseout", ".subscription_header", function (e) {
$(this).removeClass("active");
});
$("#stream").on('blur', function () { compose.decorate_stream_bar(this.value); });
// Capture both the left-sidebar Home click and the tab breadcrumb Home
$(document).on('click', "li[data-name='home']", function (e) {
ui.change_tab_to('#home');
narrow.deactivate();
// We need to maybe scroll to the selected message
// once we have the proper viewport set up
setTimeout(maybe_scroll_to_selected, 0);
e.preventDefault();
});
$(".brand").on('click', function (e) {
if (exports.home_tab_obscured()) {
ui.change_tab_to('#home');
} else {
narrow.restore_home_state();
}
maybe_scroll_to_selected();
e.preventDefault();
});
$(window).on('blur', function () {
$(document.body).addClass('window_blurred');
});
$(window).on('focus', function () {
$(document.body).removeClass('window_blurred');
});
$(document).on('message_selected.zulip', function (event) {
if (current_msg_list !== event.msg_list) {
return;
}
if (event.id === -1) {
// If the message list is empty, don't do anything
return;
}
var row = event.msg_list.get_row(event.id);
$('.selected_message').removeClass('selected_message');
row.addClass('selected_message');
if (event.then_scroll) {
if (row.length === 0) {
blueslip.debug("message_selected missing selected row", {
previously_selected: event.previously_selected,
selected_id: event.id,
selected_idx: event.msg_list.selected_idx(),
selected_idx_exact: event.msg_list._items.indexOf(event.msg_list.get(event.id)),
render_start: event.msg_list.view._render_win_start,
render_end: event.msg_list.view._render_win_end
});
}
// Scroll to place the message within the current view;
// but if this is the initial placement of the pointer,
// just place it in the very center
recenter_view(row, {from_scroll: event.from_scroll,
force_center: event.previously_selected === -1});
}
});
$("#main_div").on("mouseenter", ".message_time", function (e) {
var time_elem = $(e.target);
var row = time_elem.closest(".message_row");
var message = current_msg_list.get(rows.id(row));
timerender.set_full_datetime(message, time_elem);
});
$('#user_presences').expectOne().on('click', '.selectable_sidebar_block', function (e) {
var email = $(e.target).parents('li').attr('data-email');
narrow.by('pm-with', email, {select_first_unread: true, trigger: 'sidebar'});
// The preventDefault is necessary so that clicking the
// link doesn't jump us to the top of the page.
e.preventDefault();
// The stopPropagation is necessary so that we don't
// see the following sequence of events:
// 1. This click "opens" the composebox
// 2. This event propagates to the body, which says "oh, hey, the
// composebox is open and you clicked out of it, you must want to
// stop composing!"
e.stopPropagation();
// Since we're stopping propagation we have to manually close any
// open popovers.
popovers.hide_all();
});
$('#group-pms').expectOne().on('click', '.selectable_sidebar_block', function (e) {
var emails = $(e.target).parents('li').attr('data-emails');
narrow.by('pm-with', emails, {select_first_unread: true, trigger: 'sidebar'});
e.preventDefault();
e.stopPropagation();
popovers.hide_all();
});
$('#streams_inline_cog').tooltip({ placement: 'left',
animation: false });
$('#streams_header a').click(function (e) {
exports.change_tab_to('#subscriptions');
e.preventDefault();
});
popovers.register_click_handlers();
notifications.register_click_handlers();
$('.compose_stream_button').click(function (e) {
compose.start('stream');
});
$('.compose_private_button').click(function (e) {
compose.start('private');
});
$('.empty_feed_compose_stream').click(function (e) {
compose.start('stream', {trigger: 'empty feed message'});
e.preventDefault();
});
$('.empty_feed_compose_private').click(function (e) {
compose.start('private', {trigger: 'empty feed message'});
e.preventDefault();
});
$('.empty_feed_join').click(function (e) {
subs.show_and_focus_on_narrow();
e.preventDefault();
});
// Keep these 2 feedback bot triggers separate because they have to
// propagate the event differently.
$('.feedback').click(function (e) {
compose.start('private', { 'private_message_recipient': 'feedback@zulip.com',
trigger: 'feedback menu item' });
});
$('#feedback_button').click(function (e) {
e.stopPropagation();
popovers.hide_all();
compose.start('private', { 'private_message_recipient': 'feedback@zulip.com',
trigger: 'feedback button' });
});
$('.logout_button').click(function (e) {
$('#logout_form').submit();
});
$('.restart_get_updates_button').click(function (e) {
restart_get_updates({dont_block: true});
});
$('#api_key_button').click(function (e) {
if (page_params.password_auth_enabled !== false) {
$("#get_api_key_box").show();
} else {
// Skip the password prompt step
$("#get_api_key_box form").submit();
}
$("#api_key_button_box").hide();
});
var notification_docs = $("#notification-docs");
notification_docs.popover({"placement": "right",
"content": templates.render('notification_docs', {}),
"trigger": "manual"});
$("body").on("mouseover", "#notification-docs", function (e) {
notification_docs.popover('show');
e.stopPropagation();
});
$("body").on("mouseout", "#notification-docs", function (e) {
notification_docs.popover('hide');
e.stopPropagation();
});
$('body').on('click', '.edit_content_button', function (e) {
var row = current_msg_list.get_row(rows.id($(this).closest(".message_row")));
message_edit.start(row);
e.stopPropagation();
popovers.hide_all();
});
$('body').on('click','.always_visible_topic_edit,.on_hover_topic_edit', function (e) {
var recipient_row = $(this).closest(".recipient_row");
message_edit.start_topic_edit(recipient_row);
e.stopPropagation();
popovers.hide_all();
});
$("body").on("click", ".topic_edit_save", function (e) {
var recipient_row = $(this).closest(".recipient_row");
if (message_edit.save(recipient_row) === true) {
current_msg_list.hide_edit_topic(recipient_row);
}
e.stopPropagation();
popovers.hide_all();
});
$("body").on("click", ".topic_edit_cancel", function (e) {
var recipient_row = $(this).closest(".recipient_row");
current_msg_list.hide_edit_topic(recipient_row);
e.stopPropagation();
popovers.hide_all();
});
$("body").on("click", ".message_edit_save", function (e) {
var row = $(this).closest(".message_row");
if (message_edit.save(row) === true) {
// Re-fetch the message row in case .save() re-rendered the message list
message_edit.end($(this).closest(".message_row"));
}
e.stopPropagation();
popovers.hide_all();
});
$("body").on("click", ".message_edit_cancel", function (e) {
var row = $(this).closest(".message_row");
message_edit.end(row);
e.stopPropagation();
popovers.hide_all();
});
// Webathena integration code
$('#right-sidebar, #top_navbar').on('click', '.webathena_login', function (e) {
$("#zephyr-mirror-error").hide();
var principal = ["zephyr", "zephyr"];
WinChan.open({
url: "https://webathena.mit.edu/#!request_ticket_v1",
relay_url: "https://webathena.mit.edu/relay.html",
params: {
realm: "ATHENA.MIT.EDU",
principal: principal
}
}, function (err, r) {
if (err) {
blueslip.warn(err);
return;
}
if (r.status !== "OK") {
blueslip.warn(r);
return;
}
channel.post({
url: "/accounts/webathena_kerberos_login/",
data: {cred: JSON.stringify(r.session)},
success: function (data, success) {
$("#zephyr-mirror-error").hide();
},
error: function (data, success) {
$("#zephyr-mirror-error").show();
}
});
});
$('#settings-dropdown').dropdown("toggle");
e.preventDefault();
e.stopPropagation();
});
// End Webathena code
$(document).on('click', function (e) {
if (e.button !== 0) {
// Firefox emits right click events on the document, but not on
// the child nodes, so the #compose stopPropagation doesn't get a
// chance to capture right clicks.
return;
}
// Dismiss popovers if the user has clicked outside them
if ($('.popover-inner').has(e.target).length === 0) {
popovers.hide_all();
}
// Unfocus our compose area if we click out of it. Don't let exits out
// of modals or selecting text (for copy+paste) trigger cancelling.
if (compose.composing() && !$(e.target).is("a") &&
($(e.target).closest(".modal").length === 0) &&
window.getSelection().toString() === "") {
compose.cancel();
}
});
function handle_compose_click(e) {
// Don't let clicks in the compose area count as
// "unfocusing" our compose -- in other words, e.g.
// clicking "Press enter to send" should not
// trigger the composebox-closing code above.
// But do allow our formatting link.
if (!$(e.target).is("a")) {
e.stopPropagation();
}
// Still hide the popovers, however
popovers.hide_all();
}
$("#compose_buttons").click(handle_compose_click);
$(".compose-content").click(handle_compose_click);
$("#compose_close").click(function (e) {
compose.cancel();
});
$(".bankruptcy_button").click(function (e) {
enable_unread_counts();
});
$('#yes-bankrupt').click(function (e) {
fast_forward_pointer();
$("#yes-bankrupt").hide();
$("#no-bankrupt").hide();
$(this).after($("<div>").addClass("alert alert-info settings_committed")
.text("Bringing you to your latest messages…"));
});
if (feature_flags.disable_message_editing) {
$("#edit-message-hotkey-help").hide();
}
// Some MIT-specific customizations
if (page_params.domain === 'mit.edu') {
$("#user-list").hide();
$("#group-pm-list").hide();
}
if (feature_flags.full_width) {
exports.switchToFullWidth();
}
// initialize other stuff
composebox_typeahead.initialize();
search.initialize();
notifications.initialize();
hashchange.initialize();
invite.initialize();
activity.initialize();
tutorial.initialize();
});
var scroll_start_message;
function scroll_finished() {
actively_scrolling = false;
if ($('#home').hasClass('active')) {
if (!suppress_scroll_pointer_update) {
keep_pointer_in_view();
} else {
suppress_scroll_pointer_update = false;
}
exports.update_floating_recipient_bar();
if (viewport.scrollTop() === 0 &&
have_scrolled_away_from_top) {
have_scrolled_away_from_top = false;
load_more_messages(current_msg_list);
} else if (!have_scrolled_away_from_top) {
have_scrolled_away_from_top = true;
}
// When the window scrolls, it may cause some messages to
// enter the screen and become read. Calling
// process_visible_unread_messages will update necessary
// data structures and DOM elements.
setTimeout(process_visible_unread_messages, 0);
}
}
var scroll_timer;
function scroll_finish() {
actively_scrolling = true;
clearTimeout(scroll_timer);
scroll_timer = setTimeout(scroll_finished, 100);
}
exports.register_scroll_handler = function () {
$(window).scroll($.throttle(50, function (e) {
process_visible_unread_messages();
scroll_finish();
}));
};
// Save the compose content cursor position and restore when we
// shift-tab back in (see hotkey.js).
var saved_compose_cursor = 0;
$(function () {
$('#new_message_content').blur(function () {
saved_compose_cursor = $(this).caret().start;
});
});
exports.restore_compose_cursor = function () {
// Restore as both the start and end point, i.e.
// nothing selected.
$('#new_message_content')
.focus()
.caret(saved_compose_cursor, saved_compose_cursor);
};
var _message_content_height_cache = new Dict();
exports.clear_message_content_height_cache = function () {
_message_content_height_cache = new Dict();
};
exports.un_cache_message_content_height = function (message_id) {
_message_content_height_cache.del(message_id);
};
function get_message_height(elem, message_id) {
if (_message_content_height_cache.has(message_id)) {
return _message_content_height_cache.get(message_id);
}
var height = elem.getBoundingClientRect().height;
_message_content_height_cache.set(message_id, height);
return height;
}
exports.condense_and_collapse = function (elems) {
var height_cutoff = viewport.height() * 0.65;
_.each(elems, function (elem) {
var content = $(elem).find(".message_content");
var message = current_msg_list.get(rows.id($(elem)));
if (content !== undefined && message !== undefined) {
var message_height = get_message_height(elem, message.id);
var long_message = message_height > height_cutoff;
if (long_message) {
// All long messages are flagged as such.
content.addClass("could-be-condensed");
} else {
content.removeClass("could-be-condensed");
}
// If message.condensed is defined, then the user has manually
// specified whether this message should be expanded or condensed.
if (message.condensed === true) {
condense($(elem));
return;
} else if (message.condensed === false) {
uncondense($(elem));
return;
} else if (long_message) {
// By default, condense a long message.
condense($(elem));
} else {
content.removeClass('condensed');
$(elem).find(".message_expander").hide();
}
// Completely hide the message and replace it with a [More]
// link if the user has collapsed it.
if (message.collapsed) {
content.addClass("collapsed");
$(elem).find(".message_expander").show();
}
}
});
};
$(function () {
// Workaround for Bootstrap issue #5900, which basically makes dropdowns
// unclickable on mobile devices.
// https://github.com/twitter/bootstrap/issues/5900
$('a.dropdown-toggle, .dropdown-menu a').on('touchstart', function (e) {
e.stopPropagation();
});
});
$(function () {
if (window.bridge !== undefined) {
// Disable "spellchecking" in our desktop app. The "spellchecking"
// in our Mac app is actually autocorrect, and frustrates our
// users.
$("#new_message_content").attr('spellcheck', 'false');
// Modify the zephyr mirroring error message in our desktop
// app, since it doesn't work from the desktop version.
$("#webathena_login_menu").hide();
$("#normal-zephyr-mirror-error-text").addClass("notdisplayed");
$("#desktop-zephyr-mirror-error-text").removeClass("notdisplayed");
}
});
return exports;
}());