mirror of https://github.com/TakeV-Lambda/dino.git
76 lines
2.9 KiB
Vala
76 lines
2.9 KiB
Vala
using Gee;
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using Xmpp.Core;
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namespace Xmpp.Xep.ChatStateNotifications {
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private const string NS_URI = "http://jabber.org/protocol/chatstates";
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public const string STATE_ACTIVE = "active";
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public const string STATE_INACTIVE = "inactive";
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public const string STATE_GONE = "gone";
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public const string STATE_COMPOSING = "composing";
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public const string STATE_PAUSED = "paused";
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private const string[] STATES = {STATE_ACTIVE, STATE_INACTIVE, STATE_GONE, STATE_COMPOSING, STATE_PAUSED};
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public class Module : XmppStreamModule {
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public const string ID = "0085_chat_state_notifications";
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public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, ID);
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public signal void chat_state_received(XmppStream stream, string jid, string state);
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/**
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* "A message stanza that does not contain standard messaging content [...] SHOULD be a state other than <active/>" (0085, 5.6)
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*/
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public void send_state(XmppStream stream, string jid, string state) {
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Message.Stanza message = new Message.Stanza();
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message.to = jid;
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message.type_ = Message.Stanza.TYPE_CHAT;
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message.stanza.put_node(new StanzaNode.build(state, NS_URI).add_self_xmlns());
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Message.Module.get_module(stream).send_message(stream, message);
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}
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public override void attach(XmppStream 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(IDENTITY);
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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 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_pre_send_message(XmppStream stream, Message.Stanza message) {
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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(STATE_ACTIVE, NS_URI).add_self_xmlns());
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}
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private void on_received_message(XmppStream stream, Message.Stanza message) {
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if (!message.is_error()) {
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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 &&
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node.name in STATES) {
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chat_state_received(stream, message.from, node.name);
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}
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}
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}
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}
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}
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}
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