zulip/static/js/message_list.js

430 lines
13 KiB
JavaScript

var message_list = (function () {
var exports = {};
exports.narrowed = undefined;
exports.MessageList = function (table_name, filter, opts) {
_.extend(this, {
collapse_messages: true,
muting_enabled: true,
}, opts);
this.data = new MessageListData({
muting_enabled: this.muting_enabled,
filter: filter,
});
this.view = new MessageListView(this, table_name, this.collapse_messages);
this.fetch_status = FetchStatus();
this.table_name = table_name;
this.narrowed = this.table_name === "zfilt";
this.num_appends = 0;
return this;
};
exports.MessageList.prototype = {
add_messages: function MessageList_add_messages(messages, opts) {
var self = this;
var info = this.data.triage_messages(messages);
var top_messages = info.top_messages;
var bottom_messages = info.bottom_messages;
var interior_messages = info.interior_messages;
if (interior_messages.length > 0) {
self.add_and_rerender(top_messages.concat(interior_messages).concat(bottom_messages));
return true;
}
if (top_messages.length > 0) {
self.prepend(top_messages);
}
if (bottom_messages.length > 0) {
self.append(bottom_messages, opts);
}
if ((self === exports.narrowed) && !self.empty()) {
// If adding some new messages to the message tables caused
// our current narrow to no longer be empty, hide the empty
// feed placeholder text.
narrow.hide_empty_narrow_message();
}
if ((self === exports.narrowed) && !self.empty() &&
(self.selected_id() === -1) && !opts.delay_render) {
// And also select the newly arrived message.
self.select_id(self.selected_id(), {then_scroll: true, use_closest: true});
}
},
get: function (id) {
return this.data.get(id);
},
num_items: function () {
return this.data.num_items();
},
empty: function () {
return this.data.empty();
},
first: function () {
return this.data.first();
},
last: function () {
return this.data.last();
},
nth_most_recent_id: function (n) {
return this.data.nth_most_recent_id(n);
},
is_search: function () {
return this.data.is_search();
},
clear: function MessageList_clear(opts) {
opts = _.extend({clear_selected_id: true}, opts);
this.data.clear();
this.view.clear_rendering_state(true);
if (opts.clear_selected_id) {
this.data.clear_selected_id();
}
},
selected_id: function () {
return this.data.selected_id();
},
select_id: function MessageList_select_id(id, opts) {
opts = _.extend({
then_scroll: false,
target_scroll_offset: undefined,
use_closest: false,
empty_ok: false,
mark_read: true,
force_rerender: false,
}, opts, {
id: id,
msg_list: this,
previously_selected: this.data.selected_id(),
});
function convert_id(str_id) {
var id = parseFloat(str_id);
if (isNaN(id)) {
blueslip.fatal("Bad message id " + str_id);
}
return id;
}
id = convert_id(id);
var closest_id = this.closest_id(id);
var error_data;
// The name "use_closest" option is a bit legacy. We
// are always gonna move to the closest visible id; the flag
// just says whether we call blueslip.error or not. The caller
// sets use_closest to true when it expects us to move the
// pointer as needed, so only generate an error if the flag is
// false.
if (!opts.use_closest && closest_id !== id) {
error_data = {
table_name: this.table_name,
id: id,
closest_id: closest_id,
};
blueslip.error("Selected message id not in MessageList",
error_data);
}
if (closest_id === -1 && !opts.empty_ok) {
error_data = {
table_name: this.table_name,
id: id,
items_length: this.data.num_items(),
};
blueslip.fatal("Cannot select id -1", error_data);
}
id = closest_id;
opts.id = id;
this.data.set_selected_id(id);
if (opts.force_rerender) {
this.rerender();
} else if (!opts.from_rendering) {
this.view.maybe_rerender();
}
$(document).trigger($.Event('message_selected.zulip', opts));
},
reselect_selected_id: function MessageList_select_closest_id() {
this.select_id(this.data.selected_id(), {from_rendering: true});
},
selected_message: function MessageList_selected_message() {
return this.get(this.data.selected_id());
},
selected_row: function MessageList_selected_row() {
return this.get_row(this.data.selected_id());
},
closest_id: function (id) {
return this.data.closest_id(id);
},
advance_past_messages: function (msg_ids) {
return this.data.advance_past_messages(msg_ids);
},
selected_idx: function () {
return this.data.selected_idx();
},
subscribed_bookend_content: function (stream_name) {
return i18n.t("You subscribed to stream __stream__",
{stream: stream_name});
},
unsubscribed_bookend_content: function (stream_name) {
return i18n.t("You unsubscribed from stream __stream__",
{stream: stream_name});
},
not_subscribed_bookend_content: function (stream_name) {
return i18n.t("You are not subscribed to stream __stream__",
{stream: stream_name});
},
// Maintains a trailing bookend element explaining any changes in
// your subscribed/unsubscribed status at the bottom of the
// message list.
update_trailing_bookend: function MessageList_update_trailing_bookend() {
this.view.clear_trailing_bookend();
if (!this.narrowed) {
return;
}
var stream_name = narrow_state.stream();
if (stream_name === undefined) {
return;
}
var trailing_bookend_content;
var show_button = true;
var subscribed = stream_data.is_subscribed(stream_name);
if (subscribed) {
trailing_bookend_content = this.subscribed_bookend_content(stream_name);
} else {
if (!this.last_message_historical) {
trailing_bookend_content = this.unsubscribed_bookend_content(stream_name);
// For invite only streams or streams that no longer
// exist, hide the resubscribe button
var sub = stream_data.get_sub(stream_name);
if (sub !== undefined) {
show_button = !sub.invite_only;
} else {
show_button = false;
}
} else {
trailing_bookend_content = this.not_subscribed_bookend_content(stream_name);
}
}
if (trailing_bookend_content !== undefined) {
this.view.render_trailing_bookend(trailing_bookend_content, subscribed, show_button);
}
},
unmuted_messages: function (messages) {
return this.data.unmuted_messages(messages);
},
append: function MessageList_append(messages, opts) {
opts = _.extend({delay_render: false, messages_are_new: false}, opts);
var viewable_messages = this.data.append(messages);
this.num_appends += 1;
if (!opts.delay_render) {
this.view.append(viewable_messages, opts.messages_are_new);
}
},
prepend: function MessageList_prepend(messages) {
var viewable_messages = this.data.prepend(messages);
this.view.prepend(viewable_messages);
},
add_and_rerender: function MessageList_add_and_rerender(messages) {
// To add messages that might be in the interior of our
// existing messages list, we just add the new messages and
// then rerender the whole thing.
this.data.add(messages);
this.view.rerender_the_whole_thing();
},
remove_and_rerender: function MessageList_remove_and_rerender(messages) {
this.data.remove(messages);
this.rerender();
},
show_edit_message: function MessageList_show_edit_message(row, edit_obj) {
row.find(".message_edit_form").empty().append(edit_obj.form);
row.find(".message_content, .status-message").hide();
row.find(".message_edit").css("display", "block");
row.find(".message_edit_content").autosize();
},
hide_edit_message: function MessageList_hide_edit_message(row) {
row.find(".message_content, .status-message").show();
row.find(".message_edit").hide();
row.trigger("mouseleave");
},
show_edit_topic: function MessageList_show_edit_topic(recipient_row, form) {
recipient_row.find(".topic_edit_form").empty().append(form);
recipient_row.find('.icon-vector-pencil').hide();
recipient_row.find(".stream_topic").hide();
recipient_row.find(".topic_edit").show();
},
hide_edit_topic: function MessageList_hide_edit_topic(recipient_row) {
recipient_row.find(".stream_topic").show();
recipient_row.find('.icon-vector-pencil').show();
recipient_row.find(".topic_edit").hide();
},
show_message_as_read: function (message, options) {
var row = this.get_row(message.id);
if ((options.from === 'pointer' && feature_flags.mark_read_at_bottom) ||
options.from === "server") {
row.find('.unread_marker').addClass('fast_fade');
} else {
row.find('.unread_marker').addClass('slow_fade');
}
row.removeClass('unread');
},
rerender: function MessageList_rerender() {
// We need to clear the rendering state, rather than just
// doing clear_table, since we want to potentially recollapse
// things.
this.data.reset_select_to_closest();
this.view.clear_rendering_state(false);
this.view.update_render_window(this.selected_idx(), false);
if (this === exports.narrowed) {
if (this.empty()) {
narrow.show_empty_narrow_message();
} else {
narrow.hide_empty_narrow_message();
}
}
this.view.rerender_preserving_scrolltop();
this.redo_selection();
},
redo_selection: function () {
var selected_id = this.data.selected_id();
if (selected_id !== -1) {
this.select_id(selected_id);
}
},
update_muting_and_rerender: function MessageList_update_muting_and_rerender() {
if (!this.muting_enabled) {
return;
}
this.data.update_items_for_muting();
this.rerender();
},
all_messages: function MessageList_all_messages() {
return this.data.all_messages();
},
first_unread_message_id: function () {
return this.data.first_unread_message_id();
},
message_range: function (start, end) {
return this.data.message_range(start, end);
},
get_row: function (id) {
return this.view.get_row(id);
},
update_user_full_name: function (user_id, full_name) {
this.data.update_user_full_name(user_id, full_name);
if (this.table_name !== undefined) {
this.view.rerender_preserving_scrolltop();
}
},
update_user_avatar: function (user_id, avatar_url) {
this.data.update_user_avatar(user_id, avatar_url);
if (this.table_name !== undefined) {
this.view.rerender_preserving_scrolltop();
}
},
update_stream_name: function (stream_id, new_stream_name) {
this.data.update_stream_name(stream_id, new_stream_name);
if (this.table_name !== undefined) {
this.view.rerender_preserving_scrolltop();
}
},
change_message_id: function MessageList_change_message_id(old_id, new_id) {
var self = this;
var opts = {
is_current_list: function () {
return current_msg_list === self;
},
re_render: function () {
self.view.rerender_preserving_scrolltop();
self.redo_selection();
},
};
this.data.change_message_id(old_id, new_id, opts);
},
get_last_message_sent_by_me: function () {
return this.data.get_last_message_sent_by_me();
},
};
exports.all = new exports.MessageList(
undefined, undefined,
{muting_enabled: false}
);
// We stop autoscrolling when the user is clearly in the middle of
// doing something. Be careful, though, if you try to capture
// mousemove, then you will have to contend with the autoscroll
// itself generating mousemove events.
$(document).on('message_selected.zulip zuliphashchange.zulip wheel', function () {
message_viewport.stop_auto_scrolling();
});
return exports;
}());
if (typeof module !== 'undefined') {
module.exports = message_list;
}