mirror of https://github.com/zulip/zulip.git
66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
import * as stream_data from "./stream_data";
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import * as sub_store from "./sub_store";
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import * as util from "./util";
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let focused_recipient;
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export function should_fade_message(message) {
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return !util.same_recipient(focused_recipient, message);
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}
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export function clear_focused_recipient() {
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focused_recipient = undefined;
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}
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export function set_focused_recipient(recipient) {
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focused_recipient = recipient;
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}
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function is_pm_recipient(user_id) {
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const recipients = focused_recipient.to_user_ids.split(",");
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return recipients.includes(user_id.toString());
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}
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export function would_receive_message(user_id) {
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if (focused_recipient.type === "stream") {
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const sub = sub_store.get(focused_recipient.stream_id);
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if (!sub) {
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// If the stream isn't valid, there is no risk of a mix
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// yet, so we sort of "lie" and say they would receive a
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// message.
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return true;
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}
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return stream_data.is_user_subscribed(focused_recipient.stream_id, user_id);
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}
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// PM, so check if the given email is in the recipients list.
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return is_pm_recipient(user_id);
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}
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export function want_normal_display() {
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// If we're not composing show a normal display.
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if (focused_recipient === undefined) {
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return true;
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}
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// If the user really hasn't specified anything let, then we want a normal display
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if (focused_recipient.type === "stream") {
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// If a stream doesn't exist, there is no real chance of a mix, so fading
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// is just noise to the user.
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if (!sub_store.get(focused_recipient.stream_id)) {
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return true;
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}
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// This is kind of debatable. If the topic is empty, it could be that
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// the user simply hasn't started typing it yet, but disabling fading here
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// means the feature doesn't help realms where topics aren't mandatory
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// (which is most realms as of this writing).
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if (focused_recipient.topic === "") {
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return true;
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}
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}
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return focused_recipient.type === "private" && focused_recipient.reply_to === "";
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}
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