element-web/src/TextForEvent.js

137 lines
6 KiB
JavaScript

var MatrixClientPeg = require("./MatrixClientPeg");
function textForMemberEvent(ev) {
// XXX: SYJS-16 "sender is sometimes null for join messages"
var senderName = ev.sender ? ev.sender.name : ev.getSender();
var targetName = ev.target ? ev.target.name : ev.getStateKey();
var reason = ev.getContent().reason ? (
" Reason: " + ev.getContent().reason
) : "";
switch (ev.getContent().membership) {
case 'invite':
var threePidContent = ev.getContent().third_party_invite;
if (threePidContent) {
// TODO: When we have third_party_invite.display_name we should
// do this as "$displayname received the invitation from $sender"
// or equiv
return targetName + " received an invitation from " + senderName +
".";
}
else {
return senderName + " invited " + targetName + ".";
}
case 'ban':
return senderName + " banned " + targetName + "." + reason;
case 'join':
if (ev.getPrevContent() && ev.getPrevContent().membership == 'join') {
if (ev.getPrevContent().displayname && ev.getContent().displayname && ev.getPrevContent().displayname != ev.getContent().displayname) {
return ev.getSender() + " changed their display name from " +
ev.getPrevContent().displayname + " to " +
ev.getContent().displayname;
} else if (!ev.getPrevContent().displayname && ev.getContent().displayname) {
return ev.getSender() + " set their display name to " + ev.getContent().displayname;
} else if (ev.getPrevContent().displayname && !ev.getContent().displayname) {
return ev.getSender() + " removed their display name";
} else if (ev.getPrevContent().avatar_url && !ev.getContent().avatar_url) {
return ev.getSender() + " removed their profile picture";
} else if (ev.getPrevContent().avatar_url && ev.getContent().avatar_url && ev.getPrevContent().avatar_url != ev.getContent().avatar_url) {
return ev.getSender() + " changed their profile picture";
} else if (!ev.getPrevContent().avatar_url && ev.getContent().avatar_url) {
return ev.getSender() + " set a profile picture";
}
} else {
if (!ev.target) console.warn("Join message has no target! -- " + ev.getContent().state_key);
return targetName + " joined the room.";
}
return '';
case 'leave':
if (ev.getSender() === ev.getStateKey()) {
return targetName + " left the room.";
}
else if (ev.getPrevContent().membership === "ban") {
return senderName + " unbanned " + targetName + ".";
}
else if (ev.getPrevContent().membership === "join") {
return senderName + " kicked " + targetName + "." + reason;
}
else if (ev.getPrevContent().membership === "invite") {
return senderName + " withdrew " + targetName + "'s invitation." + reason;
}
else {
return targetName + " left the room.";
}
}
};
function textForTopicEvent(ev) {
var senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
return senderDisplayName + ' changed the topic to "' + ev.getContent().topic + '"';
};
function textForRoomNameEvent(ev) {
var senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
return senderDisplayName + ' changed the room name to "' + ev.getContent().name + '"';
};
function textForMessageEvent(ev) {
var senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
var message = senderDisplayName + ': ' + ev.getContent().body;
if (ev.getContent().msgtype === "m.emote") {
message = "* " + senderDisplayName + " " + message;
} else if (ev.getContent().msgtype === "m.image") {
message = senderDisplayName + " sent an image.";
}
return message;
};
function textForCallAnswerEvent(event) {
var senderName = event.sender ? event.sender.name : "Someone";
var supported = MatrixClientPeg.get().supportsVoip() ? "" : " (not supported by this browser)";
return senderName + " answered the call." + supported;
};
function textForCallHangupEvent(event) {
var senderName = event.sender ? event.sender.name : "Someone";
var supported = MatrixClientPeg.get().supportsVoip() ? "" : " (not supported by this browser)";
return senderName + " ended the call." + supported;
};
function textForCallInviteEvent(event) {
var senderName = event.sender ? event.sender.name : "Someone";
// FIXME: Find a better way to determine this from the event?
var type = "voice";
if (event.getContent().offer && event.getContent().offer.sdp &&
event.getContent().offer.sdp.indexOf('m=video') !== -1) {
type = "video";
}
var supported = MatrixClientPeg.get().supportsVoip() ? "" : " (not supported by this browser)";
return senderName + " placed a " + type + " call." + supported;
};
function textForThreePidInviteEvent(event) {
var senderName = event.sender ? event.sender.name : event.getSender();
return senderName + " sent an invitation to " + event.getContent().display_name +
" to join the room.";
};
var handlers = {
'm.room.message': textForMessageEvent,
'm.room.name': textForRoomNameEvent,
'm.room.topic': textForTopicEvent,
'm.room.member': textForMemberEvent,
'm.call.invite': textForCallInviteEvent,
'm.call.answer': textForCallAnswerEvent,
'm.call.hangup': textForCallHangupEvent,
'm.room.third_party_invite': textForThreePidInviteEvent
};
module.exports = {
textForEvent: function(ev) {
var hdlr = handlers[ev.getType()];
if (!hdlr) return "";
return hdlr(ev);
}
}