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