mirror of
https://github.com/zulip/zulip.git
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421 lines
12 KiB
JavaScript
421 lines
12 KiB
JavaScript
"use strict";
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const autosize = require("autosize");
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const {MessageListData} = require("./message_list_data");
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exports.narrowed = undefined;
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exports.set_narrowed = function (value) {
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exports.narrowed = value;
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};
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class MessageList {
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constructor(opts) {
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if (opts.data) {
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this.excludes_muted_topics = opts.data.excludes_muted_topics;
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this.data = opts.data;
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} else {
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const filter = opts.filter;
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this.excludes_muted_topics = opts.excludes_muted_topics;
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this.data = new MessageListData({
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excludes_muted_topics: this.excludes_muted_topics,
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filter,
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});
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}
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opts.collapse_messages = true;
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const collapse_messages = opts.collapse_messages;
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const table_name = opts.table_name;
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this.view = new MessageListView(this, table_name, collapse_messages);
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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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add_messages(messages, opts) {
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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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const info = this.data.add_messages(messages);
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const top_messages = info.top_messages;
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const bottom_messages = info.bottom_messages;
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const interior_messages = info.interior_messages;
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// Currently we only need data back from rendering to
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// tell us whether users needs to scroll, which only
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// applies for `append_to_view`, but this may change over
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// time.
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let render_info;
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if (interior_messages.length > 0) {
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this.view.rerender_preserving_scrolltop(true);
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return true;
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}
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if (top_messages.length > 0) {
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this.view.prepend(top_messages);
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}
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if (bottom_messages.length > 0) {
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render_info = this.append_to_view(bottom_messages, opts);
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}
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if (this === exports.narrowed && !this.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 (this === exports.narrowed && !this.empty() && this.selected_id() === -1) {
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// And also select the newly arrived message.
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this.select_id(this.selected_id(), {then_scroll: true, use_closest: true});
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}
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return render_info;
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}
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get(id) {
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return this.data.get(id);
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}
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num_items() {
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return this.data.num_items();
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}
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empty() {
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return this.data.empty();
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}
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first() {
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return this.data.first();
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}
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last() {
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return this.data.last();
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}
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prev() {
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return this.data.prev();
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}
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next() {
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return this.data.next();
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}
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is_at_end() {
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return this.data.is_at_end();
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}
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nth_most_recent_id(n) {
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return this.data.nth_most_recent_id(n);
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}
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is_search() {
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return this.data.is_search();
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}
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can_mark_messages_read() {
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return this.data.can_mark_messages_read();
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}
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clear(opts) {
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opts = {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() {
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return this.data.selected_id();
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}
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select_id(id, opts) {
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opts = {
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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,
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msg_list: this,
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previously_selected_id: this.data.selected_id(),
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};
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const convert_id = (str_id) => {
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const id = Number.parseFloat(str_id);
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if (Number.isNaN(id)) {
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throw new TypeError("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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const closest_id = this.closest_id(id);
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let 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,
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closest_id,
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};
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blueslip.error("Selected message id not in MessageList", 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,
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items_length: this.data.num_items(),
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};
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throw new Error("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(new $.Event("message_selected.zulip", opts));
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}
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reselect_selected_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() {
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return this.get(this.data.selected_id());
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}
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selected_row() {
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return this.get_row(this.data.selected_id());
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}
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closest_id(id) {
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return this.data.closest_id(id);
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}
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advance_past_messages(msg_ids) {
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return this.data.advance_past_messages(msg_ids);
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}
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selected_idx() {
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return this.data.selected_idx();
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}
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subscribed_bookend_content(stream_name) {
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return i18n.t("You subscribed to stream __stream__", {stream: stream_name});
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}
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unsubscribed_bookend_content(stream_name) {
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return i18n.t("You unsubscribed from stream __stream__", {stream: stream_name});
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}
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not_subscribed_bookend_content(stream_name) {
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return i18n.t("You are not subscribed to stream __stream__", {stream: stream_name});
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}
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deactivated_bookend_content() {
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return i18n.t("This stream has been deactivated");
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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() {
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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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const 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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let trailing_bookend_content;
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let show_button = true;
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const subscribed = stream_data.is_subscribed(stream_name);
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const sub = stream_data.get_sub(stream_name);
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if (sub === undefined) {
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trailing_bookend_content = this.deactivated_bookend_content();
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// Hide the resubscribe button for streams that no longer exist.
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show_button = false;
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} else 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 hide the resubscribe button
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// Hide button for guest users
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show_button = !page_params.is_guest && !sub.invite_only;
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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(messages) {
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return this.data.unmuted_messages(messages);
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}
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append(messages, opts) {
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const 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(messages, opts) {
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opts = {messages_are_new: false, ...opts};
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this.num_appends += 1;
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const render_info = this.view.append(messages, opts.messages_are_new);
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return render_info;
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}
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remove_and_rerender(message_ids) {
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this.data.remove(message_ids);
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this.rerender();
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}
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show_edit_message(row, edit_obj) {
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if (row.find(".message_edit_form form").length !== 0) {
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return;
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}
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row.find(".message_edit_form").append(edit_obj.form);
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row.find(".message_content, .status-message, .message_controls").hide();
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row.find(".message_edit").css("display", "block");
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autosize(row.find(".message_edit_content"));
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}
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hide_edit_message(row) {
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row.find(".message_content, .status-message, .message_controls").show();
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row.find(".message_edit_form").empty();
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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_on_recipient_row(recipient_row, form) {
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recipient_row.find(".topic_edit_form").append(form);
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recipient_row.find(".on_hover_topic_edit").hide();
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recipient_row.find(".edit_content_button").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_on_recipient_row(recipient_row) {
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recipient_row.find(".stream_topic").show();
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recipient_row.find(".on_hover_topic_edit").show();
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recipient_row.find(".edit_content_button").show();
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recipient_row.find(".topic_edit_form").empty();
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recipient_row.find(".topic_edit").hide();
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}
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show_message_as_read(message, options) {
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const 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_view() {
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this.view.rerender_preserving_scrolltop();
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this.redo_selection();
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}
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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.rerender_view();
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}
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redo_selection() {
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const 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() {
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if (!this.excludes_muted_topics) {
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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() {
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return this.data.all_messages();
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}
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first_unread_message_id() {
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return this.data.first_unread_message_id();
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}
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message_range(start, end) {
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return this.data.message_range(start, end);
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}
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get_row(id) {
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return this.view.get_row(id);
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}
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change_message_id(old_id, new_id) {
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const require_rerender = this.data.change_message_id(old_id, new_id);
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if (require_rerender) {
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this.rerender_view();
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}
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}
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get_last_message_sent_by_me() {
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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.MessageList = MessageList;
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exports.all = new MessageList({
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excludes_muted_topics: false,
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});
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window.message_list = exports;
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