zulip/static/js/message_events.js

274 lines
10 KiB
JavaScript

var message_events = (function () {
var exports = {};
function maybe_add_narrowed_messages(messages, msg_list, messages_are_new) {
var ids = [];
_.each(messages, function (elem) {
ids.push(elem.id);
});
channel.post({
url: '/json/messages_in_narrow',
idempotent: true,
data: {msg_ids: JSON.stringify(ids),
narrow: JSON.stringify(narrow_state.public_operators())},
timeout: 5000,
success: function (data) {
if (msg_list !== current_msg_list) {
// We unnarrowed in the mean time
return;
}
var new_messages = [];
var elsewhere_messages = [];
_.each(messages, function (elem) {
if (data.messages.hasOwnProperty(elem.id)) {
elem.match_subject = data.messages[elem.id].match_subject;
elem.match_content = data.messages[elem.id].match_content;
new_messages.push(elem);
} else {
elsewhere_messages.push(elem);
}
});
new_messages = _.map(new_messages, message_store.add_message_metadata);
message_util.add_messages(
new_messages,
msg_list,
{messages_are_new: messages_are_new}
);
unread_ops.process_visible();
notifications.notify_messages_outside_current_search(elsewhere_messages);
},
error: function () {
// We might want to be more clever here
setTimeout(function () {
if (msg_list === current_msg_list) {
// Don't actually try again if we unnarrowed
// while waiting
maybe_add_narrowed_messages(messages, msg_list, messages_are_new);
}
}, 5000);
}});
}
exports.insert_new_messages = function insert_new_messages(messages, locally_echoed) {
messages = _.map(messages, message_store.add_message_metadata);
// You must add add messages to home_msg_list BEFORE
// calling unread.process_loaded_messages.
message_util.add_messages(messages, home_msg_list, {messages_are_new: true});
message_util.add_messages(messages, message_list.all, {messages_are_new: true});
if (narrow_state.active()) {
if (narrow_state.filter().can_apply_locally()) {
message_util.add_messages(messages, message_list.narrowed, {messages_are_new: true});
} else {
// if we cannot apply locally, we have to wait for this callback to happen to notify
maybe_add_narrowed_messages(messages, message_list.narrowed, true);
}
}
if (locally_echoed) {
notifications.notify_local_mixes(messages);
}
activity.process_loaded_messages(messages);
message_util.do_unread_count_updates(messages);
exports.maybe_advance_to_recently_sent_message(messages);
unread_ops.process_visible();
notifications.received_messages(messages);
stream_list.update_streams_sidebar();
pm_list.update_private_messages();
};
exports.maybe_advance_to_recently_sent_message = function (messages) {
if (narrow_state.narrowed_by_reply()) {
// If you send a message when narrowed to a recipient, move the
// pointer to it.
var i;
var selected_id = current_msg_list.selected_id();
// Iterate backwards to find the last message sent_by_me, stopping at
// the pointer position.
for (i = messages.length-1; i>=0; i -= 1) {
var id = messages[i].id;
if (id <= selected_id) {
break;
}
if (messages[i].sent_by_me && current_msg_list.get(id) !== undefined) {
// If this is a reply we just sent, advance the pointer to it.
current_msg_list.select_id(messages[i].id, {then_scroll: true,
from_scroll: true});
break;
}
}
}
};
exports.update_messages = function update_messages(events) {
var msgs_to_rerender = [];
var topic_edited = false;
var changed_narrow = false;
var message_content_edited = false;
_.each(events, function (event) {
var msg = message_store.get(event.message_id);
if (msg === undefined) {
return;
}
msgs_to_rerender.push(msg);
msg.alerted = event.flags.indexOf("has_alert_word") !== -1;
msg.mentioned = event.flags.indexOf("mentioned") !== -1 ||
event.flags.indexOf("wildcard_mentioned") !== -1;
condense.un_cache_message_content_height(msg.id);
if (event.rendered_content !== undefined) {
msg.content = event.rendered_content;
}
var row = current_msg_list.get_row(event.message_id);
if (row.length > 0) {
message_edit.end(row);
}
if (event.subject !== undefined) {
// A topic edit may affect multiple messages, listed in
// event.message_ids. event.message_id is still the first message
// where the user initiated the edit.
topic_edited = true;
var going_forward_change = _.indexOf(['change_later', 'change_all'], event.propagate_mode) >= 0;
var stream_name = stream_data.get_sub_by_id(event.stream_id).name;
var compose_stream_name = compose_state.stream_name();
if (going_forward_change && stream_name && compose_stream_name) {
if (stream_name.toLowerCase() === compose_stream_name.toLowerCase()) {
if (event.orig_subject === compose_state.subject()) {
compose_state.subject(event.subject);
}
}
}
if (going_forward_change) {
var current_id = current_msg_list.selected_id();
var selection_changed_topic = _.indexOf(event.message_ids, current_id) >= 0;
if (selection_changed_topic) {
var current_filter = narrow_state.filter();
if (current_filter && stream_name) {
if (current_filter.has_topic(stream_name, event.orig_subject)) {
var new_filter = current_filter.filter_with_new_topic(event.subject);
var operators = new_filter.operators();
var opts = {
trigger: 'topic change',
then_select_id: current_id,
};
narrow.activate(operators, opts);
changed_narrow = true;
}
}
}
}
_.each(event.message_ids, function (id) {
var msg = message_store.get(id);
if (msg === undefined) {
return;
}
// Remove the recent topics entry for the old topics;
// must be called before we update msg.subject
topic_data.remove_message({
stream_id: msg.stream_id,
topic_name: msg.subject,
});
// Update the unread counts; again, this must be called
// before we update msg.subject
unread.update_unread_topics(msg, event);
msg.subject = event.subject;
msg.subject_links = event.subject_links;
message_store.set_topic_edit_properties(msg);
// Add the recent topics entry for the new topics; must
// be called after we update msg.subject
topic_data.add_message({
stream_id: msg.stream_id,
topic_name: msg.subject,
message_id: msg.id,
});
});
}
if (event.orig_content !== undefined) {
if (page_params.realm_allow_edit_history) {
// Most correctly, we should do this for topic edits as
// well; but we don't use the data except for content
// edits anyway.
var edit_history_entry = {
edited_by: event.edited_by,
prev_content: event.orig_content,
prev_rendered_content: event.orig_rendered_content,
prev_rendered_content_version: event.prev_rendered_content_version,
timestamp: event.edit_timestamp,
};
// Add message's edit_history in message dict
// For messages that are edited, edit_history needs to
// be added to message in frontend.
if (msg.edit_history === undefined) {
msg.edit_history = [];
}
msg.edit_history = [edit_history_entry].concat(msg.edit_history);
}
message_content_edited = true;
// Update raw_content, so that editing a few times in a row is fast.
msg.raw_content = event.content;
}
msg.last_edit_timestamp = event.edit_timestamp;
delete msg.last_edit_timestr;
notifications.received_messages([msg]);
alert_words.process_message(msg);
});
// If a topic was edited, we re-render the whole view to get any
// propagated edits to be updated (since the topic edits can have
// changed the correct grouping of messages).
if (topic_edited) {
home_msg_list.rerender();
// However, we don't need to rerender message_list.narrowed if
// we just changed the narrow earlier in this function.
if (!changed_narrow && current_msg_list === message_list.narrowed) {
message_list.narrowed.rerender();
}
} else {
// If the content of the message was edited, we do a special animation.
current_msg_list.view.rerender_messages(msgs_to_rerender, message_content_edited);
if (current_msg_list === message_list.narrowed) {
home_msg_list.view.rerender_messages(msgs_to_rerender);
}
}
unread_ui.update_unread_counts();
stream_list.update_streams_sidebar();
pm_list.update_private_messages();
};
return exports;
}());
if (typeof module !== 'undefined') {
module.exports = message_events;
}