zulip/static/js/popovers.js

854 lines
31 KiB
JavaScript

var popovers = (function () {
var exports = {};
var current_actions_popover_elem;
var current_flatpickr_instance;
var current_message_info_popover_elem;
var userlist_placement = "right";
var list_of_popovers = [];
// this utilizes the proxy pattern to intercept all calls to $.fn.popover
// and push the $.fn.data($o, "popover") results to an array.
// this is needed so that when we try to unload popovers, we can kill all dead
// ones that no longer have valid parents in the DOM.
(function (popover) {
$.fn.popover = function () {
// apply the jQuery object as `this`, and popover function arguments.
popover.apply(this, arguments);
// if there is a valid "popover" key in the jQuery data object then
// push it to the array.
if (this.data("popover")) {
list_of_popovers.push(this.data("popover"));
}
};
// add back all shallow properties of $.fn.popover to the new proxied version.
for (var x in popover) {
if (popover.hasOwnProperty(x)) {
$.fn.popover[x] = popover[x];
}
}
}($.fn.popover));
function load_medium_avatar(user, elt) {
var user_avatar_url = "avatar/" + user.user_id + "/medium";
var sender_avatar_medium = new Image();
sender_avatar_medium.src = user_avatar_url;
$(sender_avatar_medium).on("load", function () {
elt.css("background-image", "url(" + $(this).attr("src") + ")");
});
}
function user_last_seen_time_status(user_id) {
var status = presence.get_status(user_id);
if (status === "active") {
return i18n.t("Active now");
}
if (page_params.realm_is_zephyr_mirror_realm) {
// We don't send presence data to clients in Zephyr mirroring realms
return i18n.t("Unknown");
}
// There are situations where the client has incomplete presence
// history on a user. This can happen when users are deactivated,
// or when they just haven't been present in a long time (and we
// may have queries on presence that go back only N weeks).
//
// We give the somewhat vague status of "Unknown" for these users.
var last_active_date = presence.last_active_date(user_id);
if (last_active_date === undefined) {
return i18n.t("Unknown");
}
return timerender.last_seen_status_from_date(last_active_date.clone());
}
// element is the target element to pop off of
// user is the user whose profile to show
// message is the message containing it, which should be selected
function show_user_info_popover(element, user, message) {
var last_popover_elem = current_message_info_popover_elem;
popovers.hide_all();
if (last_popover_elem !== undefined
&& last_popover_elem.get()[0] === element) {
// We want it to be the case that a user can dismiss a popover
// by clicking on the same element that caused the popover.
return;
}
current_msg_list.select_id(message.id);
var elt = $(element);
if (elt.data('popover') === undefined) {
if (user === undefined) {
// This is never supposed to happen, not even for deactivated
// users, so we'll need to debug this error if it occurs.
blueslip.error('Bad sender in message' + message.sender_id);
return;
}
var args = {
user_full_name: user.full_name,
user_email: user.email,
user_id: user.user_id,
user_time: people.get_user_time(user.user_id),
presence_status: presence.get_status(user.user_id),
user_last_seen_time_status: user_last_seen_time_status(user.user_id),
pm_with_uri: narrow.pm_with_uri(user.email),
sent_by_uri: narrow.by_sender_uri(user.email),
narrowed: narrow_state.active(),
private_message_class: "respond_personal_button",
is_active: people.is_active_user_for_popover(user.user_id),
is_bot: people.get_person_from_user_id(user.user_id).is_bot,
};
var ypos = elt.offset().top;
var popover_size = 428;
var placement = "right";
if (!((ypos + (popover_size / 2) < message_viewport.height()) &&
(ypos > (popover_size / 2)))) {
if (((ypos + popover_size) < message_viewport.height())) {
placement = "bottom";
} else if (ypos > popover_size) {
placement = "top";
}
}
elt.popover({
placement: placement,
template: templates.render('user_info_popover', {class: "message-info-popover"}),
title: templates.render('user_info_popover_title',
{user_avatar: "avatar/" + user.email}),
content: templates.render('user_info_popover_content', args),
trigger: "manual",
});
elt.popover("show");
load_medium_avatar(user, $(".popover-avatar"));
current_message_info_popover_elem = elt;
}
}
exports.toggle_actions_popover = function (element, id) {
var last_popover_elem = current_actions_popover_elem;
popovers.hide_all();
if (last_popover_elem !== undefined
&& last_popover_elem.get()[0] === element) {
// We want it to be the case that a user can dismiss a popover
// by clicking on the same element that caused the popover.
return;
}
$(element).closest('.message_row').toggleClass('has_popover has_actions_popover');
current_msg_list.select_id(id);
var elt = $(element);
if (elt.data('popover') === undefined) {
var message = current_msg_list.get(id);
var editability = message_edit.get_editability(message);
var use_edit_icon;
var editability_menu_item;
if (editability === message_edit.editability_types.FULL) {
use_edit_icon = true;
editability_menu_item = i18n.t("Edit");
} else if (editability === message_edit.editability_types.TOPIC_ONLY) {
use_edit_icon = false;
editability_menu_item = i18n.t("View source / Edit topic");
} else {
use_edit_icon = false;
editability_menu_item = i18n.t("View source");
}
var can_mute_topic =
message.stream &&
message.subject &&
!muting.is_topic_muted(message.stream, message.subject);
var can_unmute_topic =
message.stream &&
message.subject &&
muting.is_topic_muted(message.stream, message.subject);
var should_display_edit_history_option = _.any(message.edit_history, function (entry) {
return entry.prev_content !== undefined;
}) && page_params.realm_allow_edit_history;
var should_display_delete_option = page_params.is_admin ||
(message.sent_by_me && page_params.realm_allow_message_deleting);
var should_display_collapse = !message.locally_echoed && !message.collapsed;
var should_display_uncollapse = !message.locally_echoed && message.collapsed;
var args = {
message: message,
use_edit_icon: use_edit_icon,
editability_menu_item: editability_menu_item,
can_mute_topic: can_mute_topic,
can_unmute_topic: can_unmute_topic,
should_display_collapse: should_display_collapse,
should_display_uncollapse: should_display_uncollapse,
should_display_add_reaction_option: message.sent_by_me,
should_display_edit_history_option: should_display_edit_history_option,
conversation_time_uri: narrow.by_conversation_and_time_uri(message, true),
narrowed: narrow_state.active(),
should_display_delete_option: should_display_delete_option,
should_display_reminder_option: feature_flags.reminders_in_message_action_menu,
};
var ypos = elt.offset().top;
elt.popover({
// Popover height with 7 items in it is ~190 px
placement: ((message_viewport.height() - ypos) < 220) ? 'top' : 'bottom',
title: "",
content: templates.render('actions_popover_content', args),
trigger: "manual",
});
elt.popover("show");
current_actions_popover_elem = elt;
}
};
function do_set_reminder(msgid, timestamp) {
var message = current_msg_list.get(msgid);
var link_to_msg = narrow.by_conversation_and_time_uri(message, true);
var command = compose.deferred_message_types.reminders.slash_command;
var reminder_timestamp = timestamp;
var custom_msg = '[this message](' + link_to_msg + ') at ' + reminder_timestamp;
var reminder_msg_content = command + ' ' + reminder_timestamp + '\n' + custom_msg;
var reminder_message = {
type: "private",
content: reminder_msg_content,
sender_id: page_params.user_id,
stream: '',
subject: '',
};
var recipient = page_params.email;
var emails = util.extract_pm_recipients(recipient);
reminder_message.to = emails;
reminder_message.reply_to = recipient;
reminder_message.private_message_recipient = recipient;
reminder_message.to_user_ids = people.email_list_to_user_ids_string(emails);
var row = $("[zid='" + msgid + "']");
function success() {
row.find(".alert-msg")
.text(i18n.t("Reminder set!"))
.css("display", "block")
.delay(1000).fadeOut(300);
}
function error() {
row.find(".alert-msg")
.text(i18n.t("Setting reminder failed!"))
.css("display", "block")
.delay(1000).fadeOut(300);
}
compose.schedule_message(reminder_message, success, error);
}
exports.render_actions_remind_popover = function (element, id) {
popovers.hide_all();
$(element).closest('.message_row').toggleClass('has_popover has_actions_popover');
current_msg_list.select_id(id);
var elt = $(element);
if (elt.data('popover') === undefined) {
var message = current_msg_list.get(id);
var args = {
message: message,
};
var ypos = elt.offset().top;
elt.popover({
// Popover height with 7 items in it is ~190 px
placement: ((message_viewport.height() - ypos) < 220) ? 'top' : 'bottom',
title: "",
content: templates.render('remind_me_popover_content', args),
trigger: "manual",
});
elt.popover("show");
current_flatpickr_instance = $('.remind.custom[data-message-id="'+message.id+'"]').flatpickr({
enableTime: true,
clickOpens: false,
minDate: 'today',
plugins: [new confirmDatePlugin({})], // eslint-disable-line new-cap, no-undef
});
current_actions_popover_elem = elt;
}
};
function get_action_menu_menu_items() {
if (!current_actions_popover_elem) {
blueslip.error('Trying to get menu items when action popover is closed.');
return;
}
var popover_data = current_actions_popover_elem.data('popover');
if (!popover_data) {
blueslip.error('Cannot find popover data for actions menu.');
return;
}
return $('li:not(.divider):visible a', popover_data.$tip);
}
function focus_first_action_popover_item() {
// For now I recommend only calling this when the user opens the menu with a hotkey.
// Our popup menus act kind of funny when you mix keyboard and mouse.
var items = get_action_menu_menu_items();
if (!items) {
return;
}
items.eq(0).expectOne().focus();
}
exports.open_message_menu = function (message) {
if (message.locally_echoed) {
// Don't open the popup for locally echoed messages for now.
// It creates bugs with things like keyboard handlers when
// we get the server response.
return true;
}
var id = message.id;
popovers.toggle_actions_popover($(".selected_message .actions_hover")[0], id);
if (current_actions_popover_elem) {
focus_first_action_popover_item();
}
return true;
};
exports.actions_menu_handle_keyboard = function (key) {
var items = get_action_menu_menu_items();
if (!items) {
return;
}
var index = items.index(items.filter(':focus'));
if (key === "enter" && index >= 0 && index < items.length) {
return items[index].click();
}
if (index === -1) {
index = 0;
} else if ((key === 'down_arrow' || key === 'vim_down') && index < items.length - 1) {
index += 1;
} else if ((key === 'up_arrow' || key === 'vim_up') && index > 0) {
index -= 1;
}
items.eq(index).focus();
};
exports.actions_popped = function () {
return current_actions_popover_elem !== undefined;
};
exports.hide_actions_popover = function () {
if (popovers.actions_popped()) {
$('.has_popover').removeClass('has_popover has_actions_popover');
current_actions_popover_elem.popover("destroy");
current_actions_popover_elem = undefined;
}
if (current_flatpickr_instance !== undefined) {
current_flatpickr_instance.destroy();
current_flatpickr_instance = undefined;
}
};
function message_info_popped() {
return current_message_info_popover_elem !== undefined;
}
exports.hide_message_info_popover = function () {
if (message_info_popped()) {
current_message_info_popover_elem.popover("destroy");
current_message_info_popover_elem = undefined;
}
};
exports.hide_userlist_sidebar = function () {
$(".app-main .column-right").removeClass("expanded");
};
exports.hide_pm_list_sidebar = function () {
$(".app-main .column-left").removeClass("expanded");
};
exports.show_userlist_sidebar = function () {
$(".app-main .column-right").addClass("expanded");
resize.resize_page_components();
};
exports.show_pm_list_sidebar = function () {
$(".app-main .column-left").addClass("expanded");
resize.resize_page_components();
};
var current_user_sidebar_user_id;
var current_user_sidebar_popover;
function user_sidebar_popped() {
return current_user_sidebar_popover !== undefined;
}
exports.hide_user_sidebar_popover = function () {
if (user_sidebar_popped()) {
// this hide_* method looks different from all the others since
// the presence list may be redrawn. Due to funkiness with jquery's .data()
// this would confuse $.popover("destroy"), which looks at the .data() attached
// to a certain element. We thus save off the .data("popover") in the
// show_user_sidebar_popover and inject it here before calling destroy.
$('#user_presences').data("popover", current_user_sidebar_popover);
$('#user_presences').popover("destroy");
current_user_sidebar_user_id = undefined;
current_user_sidebar_popover = undefined;
}
};
exports.show_sender_info = function () {
var $message = $(".selected_message");
var $sender = $message.find(".sender_info_hover");
var $prev_message = $message.prev();
while (!$sender[0]) {
$prev_message = $prev_message.prev();
if (!$prev_message) {
break;
}
$sender = $prev_message.find(".sender_info_hover");
}
var message = current_msg_list.get(rows.id($message));
var user = people.get_person_from_user_id(message.sender_id);
show_user_info_popover($sender[0], user, message);
};
exports.register_click_handlers = function () {
$("#main_div").on("click", ".actions_hover", function (e) {
var row = $(this).closest(".message_row");
e.stopPropagation();
popovers.toggle_actions_popover(this, rows.id(row));
});
$("#main_div").on("click", ".sender_info_hover", function (e) {
var row = $(this).closest(".message_row");
e.stopPropagation();
var message = current_msg_list.get(rows.id(row));
var user = people.get_person_from_user_id(message.sender_id);
show_user_info_popover(this, user, message);
});
$("#main_div").on("click", ".user-mention", function (e) {
var row = $(this).closest(".message_row");
e.stopPropagation();
var message = current_msg_list.get(rows.id(row));
var id = $(this).attr('data-user-id');
var user = people.get_person_from_user_id(id);
show_user_info_popover(this, user, message);
});
$('body').on('click', '.user_popover .narrow_to_private_messages', function (e) {
var user_id = $(e.target).parents('ul').attr('data-user-id');
var email = people.get_person_from_user_id(user_id).email;
popovers.hide_user_sidebar_popover();
narrow.by('pm-with', email, {select_first_unread: true, trigger: 'user sidebar popover'});
e.stopPropagation();
});
$('body').on('click', '.user_popover .narrow_to_messages_sent', function (e) {
var user_id = $(e.target).parents('ul').attr('data-user-id');
var email = people.get_person_from_user_id(user_id).email;
popovers.hide_user_sidebar_popover();
narrow.by('sender', email, {select_first_unread: true, trigger: 'user sidebar popover'});
e.stopPropagation();
});
$('body').on('click', '.user_popover .compose_private_message', function (e) {
var user_id = $(e.target).parents('ul').attr('data-user-id');
var email = people.get_person_from_user_id(user_id).email;
popovers.hide_user_sidebar_popover();
compose_actions.start('private', {private_message_recipient: email, trigger: 'sidebar user actions'});
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.user_popover .mention_user', function (e) {
var user_id = $(e.target).parents('ul').attr('data-user-id');
compose_actions.start('stream', {trigger: 'sidebar user actions'});
var name = people.get_person_from_user_id(user_id).full_name;
var textarea = $("#compose-textarea");
textarea.val('@**' + name + '** ');
popovers.hide_user_sidebar_popover();
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.sender_info_popover .narrow_to_private_messages', function (e) {
var user_id = $(e.target).parents('ul').attr('data-user-id');
var email = people.get_person_from_user_id(user_id).email;
narrow.by('pm-with', email, {select_first_unread: true, trigger: 'user sidebar popover'});
popovers.hide_message_info_popover();
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.sender_info_popover .narrow_to_messages_sent', function (e) {
var user_id = $(e.target).parents('ul').attr('data-user-id');
var email = people.get_person_from_user_id(user_id).email;
narrow.by('sender', email, {select_first_unread: true, trigger: 'user sidebar popover'});
popovers.hide_message_info_popover();
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.sender_info_popover .mention_user', function (e) {
compose_actions.respond_to_message({trigger: 'user sidebar popover'});
var user_id = $(e.target).parents('ul').attr('data-user-id');
var name = people.get_person_from_user_id(user_id).full_name;
var textarea = $("#compose-textarea");
textarea.val('@**' + name + '** ');
popovers.hide_message_info_popover();
e.stopPropagation();
e.preventDefault();
});
$('#user_presences').on('click', 'span.arrow', function (e) {
e.stopPropagation();
// use email of currently selected user, rather than some elem comparison,
// as the presence list may be redrawn with new elements.
var target = $(this).closest('li');
var user_id = target.find('a').attr('data-user-id');
if (current_user_sidebar_user_id === user_id) {
// If the popover is already shown, clicking again should toggle it.
popovers.hide_all();
return;
}
popovers.hide_all();
if (userlist_placement === "right") {
popovers.show_userlist_sidebar();
}
var user = people.get_person_from_user_id(user_id);
var user_email = user.email;
var args = {
user_email: user_email,
user_full_name: user.full_name,
user_id: user_id,
user_time: people.get_user_time(user_id),
presence_status: presence.get_status(user_id),
user_last_seen_time_status: user_last_seen_time_status(user_id),
pm_with_uri: narrow.pm_with_uri(user_email),
sent_by_uri: narrow.by_sender_uri(user_email),
private_message_class: "compose_private_message",
is_active: people.is_active_user_for_popover(user_id),
is_bot: user.is_bot,
};
target.popover({
template: templates.render('user_info_popover', {class: "user_popover"}),
title: templates.render('user_info_popover_title', {user_avatar: "avatar/" + user_email}),
content: templates.render('user_info_popover_content', args),
trigger: "manual",
fixed: true,
placement: userlist_placement === "left" ? "right" : "left",
});
target.popover("show");
load_medium_avatar(user, $(".popover-avatar"));
current_user_sidebar_user_id = user_id;
current_user_sidebar_popover = target.data('popover');
});
$('body').on("mouseenter", ".my_email", function () {
var tooltip_holder = $(this).find('div');
if (this.offsetWidth < this.scrollWidth) {
tooltip_holder.addClass('display-tooltip');
} else {
tooltip_holder.removeClass('display-tooltip');
}
});
$('body').on('click', '.respond_button', function (e) {
var textarea = $("#compose-textarea");
var msgid = $(e.currentTarget).data("message-id");
compose_actions.respond_to_message({trigger: 'popover respond'});
channel.get({
url: '/json/messages/' + msgid,
idempotent: true,
success: function (data) {
if (textarea.val() === "") {
textarea.val("```quote\n" + data.raw_content +"\n```\n");
} else {
textarea.val(textarea.val() + "\n```quote\n" + data.raw_content +"\n```\n");
}
$("#compose-textarea").trigger("autosize.resize");
},
});
popovers.hide_actions_popover();
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.reminder_button', function (e) {
var msgid = $(e.currentTarget).data('message-id');
popovers.render_actions_remind_popover($(".selected_message .actions_hover")[0], msgid);
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.remind.custom', function (e) {
$(e.currentTarget)[0]._flatpickr.toggle();
e.stopPropagation();
e.preventDefault();
});
function reminder_click_handler(datestr, e) {
var id = $(".remind.custom").data('message-id');
do_set_reminder(id, datestr);
popovers.hide_all();
e.stopPropagation();
e.preventDefault();
}
$('body').on('click', '.remind.in_20m', function (e) {
var datestr = moment().add(20, 'm').format();
reminder_click_handler(datestr, e);
});
$('body').on('click', '.remind.in_1h', function (e) {
var datestr = moment().add(1, 'h').format();
reminder_click_handler(datestr, e);
});
$('body').on('click', '.remind.in_3h', function (e) {
var datestr = moment().add(3, 'h').format();
reminder_click_handler(datestr, e);
});
$('body').on('click', '.remind.tomo', function (e) {
var datestr = moment().add(1, 'd').hour(9).minute(0).seconds(0).format();
reminder_click_handler(datestr, e);
});
$('body').on('click', '.remind.nxtw', function (e) {
var datestr = moment().add(1, 'w').day('monday').hour(9).minute(0).seconds(0).format();
reminder_click_handler(datestr, e);
});
$('body').on('click', '.flatpickr-calendar', function (e) {
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.flatpickr-confirm', function (e) {
var datestr = $(".remind.custom")[0].value;
reminder_click_handler(datestr, e);
});
$('body').on('click', '.respond_personal_button', function (e) {
var user_id = $(e.target).parents('ul').attr('data-user-id');
var email = people.get_person_from_user_id(user_id).email;
compose_actions.start('private', {
trigger: 'popover send private',
private_message_recipient: email});
popovers.hide_all();
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.popover_toggle_collapse', function (e) {
var msgid = $(e.currentTarget).data('message-id');
var row = current_msg_list.get_row(msgid);
var message = current_msg_list.get(rows.id(row));
popovers.hide_actions_popover();
if (row) {
if (message.collapsed) {
condense.uncollapse(row);
} else {
condense.collapse(row);
}
}
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.popover_edit_message', function (e) {
var msgid = $(e.currentTarget).data('message-id');
var row = current_msg_list.get_row(msgid);
popovers.hide_actions_popover();
message_edit.start(row);
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.view_edit_history', function (e) {
var msgid = $(e.currentTarget).data('msgid');
var row = current_msg_list.get_row(msgid);
var message = current_msg_list.get(rows.id(row));
var message_history_cancel_btn = $('#message-history-cancel');
popovers.hide_actions_popover();
message_edit.show_history(message);
message_history_cancel_btn.focus();
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.popover_mute_topic', function (e) {
var stream = $(e.currentTarget).data('msg-stream');
var topic = $(e.currentTarget).data('msg-topic');
popovers.hide_actions_popover();
muting_ui.mute(stream, topic);
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.popover_unmute_topic', function (e) {
var stream = $(e.currentTarget).data('msg-stream');
var topic = $(e.currentTarget).data('msg-topic');
popovers.hide_actions_popover();
muting_ui.unmute(stream, topic);
e.stopPropagation();
e.preventDefault();
});
$('body').on('click', '.delete_message', function (e) {
var msgid = $(e.currentTarget).data('message-id');
popovers.hide_actions_popover();
message_edit.delete_message(msgid);
e.stopPropagation();
e.preventDefault();
});
new Clipboard('.copy_link');
$('body').on('click', '.copy_link', function (e) {
popovers.hide_actions_popover();
var id = $(this).attr("data-message-id");
var row = $("[zid='" + id + "']");
row.find(".alert-msg")
.text(i18n.t("Copied!"))
.css("display", "block")
.delay(1000).fadeOut(300);
setTimeout(function () {
// The Cliboard library works by focusing to a hidden textarea.
// We unfocus this so keyboard shortcuts, etc., will work again.
$(":focus").blur();
}, 0);
e.stopPropagation();
e.preventDefault();
});
(function () {
var last_scroll = 0;
$('.app').on('scroll', function () {
var date = new Date().getTime();
// only run `popovers.hide_all()` if the last scroll was more
// than 250ms ago.
if (date - last_scroll > 250) {
popovers.hide_all();
}
// update the scroll time on every event to make sure it doesn't
// retrigger `hide_all` while still scrolling.
last_scroll = date;
});
}());
};
exports.any_active = function () {
// True if any popover (that this module manages) is currently shown.
// Expanded sidebars on mobile view count as popovers as well.
return popovers.actions_popped() || user_sidebar_popped() ||
stream_popover.stream_popped() || stream_popover.topic_popped() ||
message_info_popped() || emoji_picker.reactions_popped() ||
$("[class^='column-'].expanded").length;
};
exports.hide_all = function () {
$('.has_popover').removeClass('has_popover has_actions_popover has_emoji_popover');
popovers.hide_actions_popover();
popovers.hide_message_info_popover();
emoji_picker.hide_emoji_popover();
stream_popover.hide_stream_popover();
stream_popover.hide_topic_popover();
popovers.hide_user_sidebar_popover();
popovers.hide_userlist_sidebar();
stream_popover.restore_stream_list_size();
// look through all the popovers that have been added and removed.
list_of_popovers.forEach(function ($o) {
if (!document.body.contains($o.$element[0]) && $o.$tip) {
$o.$tip.remove();
}
});
};
exports.set_userlist_placement = function (placement) {
userlist_placement = placement || "right";
};
exports.compute_placement = function (elt, popover_height, popover_width,
prefer_vertical_positioning) {
var client_rect = elt.get(0).getBoundingClientRect();
var distance_from_top = client_rect.top;
var distance_from_bottom = message_viewport.height() - client_rect.bottom;
var distance_from_left = client_rect.left;
var distance_from_right = message_viewport.width() - client_rect.right;
var elt_will_fit_horizontally =
distance_from_left + elt.width() / 2 > popover_width / 2 &&
distance_from_right + elt.width() / 2 > popover_width / 2;
var elt_will_fit_vertically =
distance_from_bottom + elt.height() / 2 > popover_height / 2 &&
distance_from_top + elt.height() / 2 > popover_height / 2;
// default to placing the popover in the center of the screen
var placement = 'viewport_center';
// prioritize left/right over top/bottom
if (distance_from_top > popover_height && elt_will_fit_horizontally) {
placement = 'top';
}
if (distance_from_bottom > popover_height && elt_will_fit_horizontally) {
placement = 'bottom';
}
if (prefer_vertical_positioning && placement !== 'viewport_center') {
// If vertical positioning is preferred and the popover fits in
// either top or bottom position then return.
return placement;
}
if (distance_from_left > popover_width && elt_will_fit_vertically) {
placement = 'left';
}
if (distance_from_right > popover_width && elt_will_fit_vertically) {
placement = 'right';
}
return placement;
};
return exports;
}());
if (typeof module !== 'undefined') {
module.exports = popovers;
}