element-web/src/WhoIsTyping.js

50 lines
1.4 KiB
JavaScript

var MatrixClientPeg = require("./MatrixClientPeg");
module.exports = {
usersTypingApartFromMe: function(room) {
return this.usersTyping(
room, [MatrixClientPeg.get().credentials.userId]
);
},
/**
* Given a Room object and, optionally, a list of userID strings
* to exclude, return a list of user objects who are typing.
*/
usersTyping: function(room, exclude) {
var whoIsTyping = [];
if (exclude === undefined) {
exclude = [];
}
var memberKeys = Object.keys(room.currentState.members);
for (var i = 0; i < memberKeys.length; ++i) {
var userId = memberKeys[i];
if (room.currentState.members[userId].typing) {
if (exclude.indexOf(userId) == -1) {
whoIsTyping.push(room.currentState.members[userId]);
}
}
}
return whoIsTyping;
},
whoIsTypingString: function(room) {
var whoIsTyping = this.usersTypingApartFromMe(room);
if (whoIsTyping.length == 0) {
return null;
} else if (whoIsTyping.length == 1) {
return whoIsTyping[0].name + ' is typing';
} else {
var names = whoIsTyping.map(function(m) {
return m.name;
});
var lastPerson = names.shift();
return names.join(', ') + ' and ' + lastPerson + ' are typing';
}
}
}