mirror of https://github.com/TakeV-Lambda/dino.git
82 lines
3.2 KiB
Vala
82 lines
3.2 KiB
Vala
using Gee;
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using Xmpp.Core;
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namespace Xmpp.Xep.ChatMarkers {
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private const string NS_URI = "urn:xmpp:chat-markers:0";
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public const string MARKER_RECEIVED = "received";
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public const string MARKER_DISPLAYED = "displayed";
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public const string MARKER_ACKNOWLEDGED = "acknowledged";
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private const string[] MARKERS = {MARKER_RECEIVED, MARKER_DISPLAYED, MARKER_ACKNOWLEDGED};
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public class Module : XmppStreamModule {
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public const string ID = "0333_chat_markers";
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public signal void marker_received(XmppStream stream, string jid, string marker, string id);
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public void send_marker(XmppStream stream, string jid, string message_id, string type_, string marker) {
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Message.Stanza received_message = new Message.Stanza();
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received_message.to = jid;
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received_message.type_ = type_;
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received_message.stanza.put_node(new StanzaNode.build(marker, NS_URI).add_self_xmlns().put_attribute("id", message_id));
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Message.Module.get_module(stream).send_message(stream, received_message);
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}
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public static bool requests_marking(Message.Stanza message) {
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StanzaNode markable_node = message.stanza.get_subnode("markable", NS_URI);
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return markable_node != null;
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}
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public override void attach(XmppStream stream) {
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Iq.Module.require(stream);
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Message.Module.require(stream);
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ServiceDiscovery.Module.require(stream);
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ServiceDiscovery.Module.get_module(stream).add_feature(stream, NS_URI);
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Message.Module.get_module(stream).pre_send_message.connect(on_pre_send_message);
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Message.Module.get_module(stream).received_message.connect(on_received_message);
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}
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public override void detach(XmppStream stream) {
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Message.Module.get_module(stream).pre_send_message.disconnect(on_pre_send_message);
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Message.Module.get_module(stream).received_message.disconnect(on_received_message);
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}
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public static Module? get_module(XmppStream stream) {
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return (Module?) stream.get_module(NS_URI, ID);
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}
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public static void require(XmppStream stream) {
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if (get_module(stream) == null) stream.add_module(new ChatMarkers.Module());
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}
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public override string get_ns() { return NS_URI; }
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public override string get_id() { return ID; }
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private void on_received_message(XmppStream stream, Message.Stanza message) {
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if (message.type_ != Message.Stanza.TYPE_CHAT) return;
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if (requests_marking(message)) {
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send_marker(stream, message.from, message.id, message.type_, MARKER_RECEIVED);
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return;
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}
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ArrayList<StanzaNode> nodes = message.stanza.get_all_subnodes();
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foreach (StanzaNode node in nodes) {
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if (node.ns_uri == NS_URI && node.name in MARKERS) {
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marker_received(stream, message.from, node.name, node.get_attribute("id", NS_URI));
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}
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}
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}
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private void on_pre_send_message(XmppStream stream, Message.Stanza message) {
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StanzaNode? received_node = message.stanza.get_subnode("received", NS_URI);
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if (received_node != null) return;
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if (message.body == null) return;
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if (message.type_ != Message.Stanza.TYPE_CHAT) return;
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message.stanza.put_node(new StanzaNode.build("markable", NS_URI).add_self_xmlns());
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}
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}
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}
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