127 lines
6.6 KiB
Vala
127 lines
6.6 KiB
Vala
using Gee;
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namespace Xmpp.Xep.CallInvites {
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public const string NS_URI = "urn:xmpp:call-message:1";
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public class Module : XmppStreamModule {
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public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, "call_invites");
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public signal void call_proposed(Jid from, Jid to, string call_id, bool video, Gee.List<StanzaNode> join_methods, MessageStanza message);
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public signal void call_retracted(Jid from, Jid to, string call_id, string message_type);
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public signal void call_accepted(Jid from, Jid to, string call_id, string message_type);
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public signal void call_rejected(Jid from, Jid to, string call_id, string message_type);
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public signal void call_left(Jid from, Jid to, string call_id, string message_type);
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public void send_jingle_propose(XmppStream stream, string call_id, Jid invitee, string sid, bool video) {
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StanzaNode jingle_node = new StanzaNode.build("jingle", CallInvites.NS_URI)
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.put_attribute("sid", sid);
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send_propose(stream, call_id, invitee, jingle_node, video, false, MessageStanza.TYPE_CHAT);
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}
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public void send_muji_propose(XmppStream stream, string call_id, Jid invitee, Jid muc_jid, bool video, string message_type) {
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StanzaNode muji_node = new StanzaNode.build("muji", Muji.NS_URI).add_self_xmlns()
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.put_attribute("room", muc_jid.to_string());
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send_propose(stream, call_id, invitee, muji_node, video, true, message_type);
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}
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private void send_propose(XmppStream stream, string call_id, Jid invitee, StanzaNode inner_node, bool video, bool multiparty, string message_type) {
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StanzaNode invite_node = new StanzaNode.build("propose", NS_URI).add_self_xmlns()
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.put_attribute("id", call_id)
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.put_attribute("video", video.to_string())
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.put_attribute("multi", multiparty.to_string())
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.put_node(inner_node);
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MessageStanza invite_message = new MessageStanza() { to=invitee, type_=message_type };
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MessageProcessingHints.set_message_hint(invite_message, MessageProcessingHints.HINT_STORE);
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invite_message.stanza.put_node(invite_node);
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stream.get_module(MessageModule.IDENTITY).send_message.begin(stream, invite_message);
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}
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public void send_retract(XmppStream stream, Jid to, string call_id, string message_type) {
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send_message(stream, to, call_id, "retract", "cancel", message_type);
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}
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public void send_accept(XmppStream stream, Jid inviter, string call_id, StanzaNode? inner_node, string message_type) {
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StanzaNode accept_node = new StanzaNode.build("accept", NS_URI).add_self_xmlns()
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.put_attribute("id", call_id);
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if (inner_node != null) accept_node.put_node(inner_node);
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MessageStanza invite_message = new MessageStanza() { to=inviter, type_=message_type };
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MessageProcessingHints.set_message_hint(invite_message, MessageProcessingHints.HINT_STORE);
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invite_message.stanza.put_node(accept_node);
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stream.get_module(MessageModule.IDENTITY).send_message.begin(stream, invite_message);
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}
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public void send_reject(XmppStream stream, Jid to, string call_id, string message_type) {
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send_message(stream, to, call_id, "reject", "busy", message_type);
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}
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public void send_finish(XmppStream stream, Jid to, string call_id, string message_type) {
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send_message(stream, to, call_id, "finish", "success", message_type);
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}
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private void send_message(XmppStream stream, Jid to, string call_id, string action, string? reason, string message_type) {
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StanzaNode inner_node = new StanzaNode.build(action, NS_URI).add_self_xmlns().put_attribute("id", call_id);
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if (reason != null) inner_node.put_node(new StanzaNode.build("reason", NS_URI).put_node(new StanzaNode.build(reason, NS_URI)));
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MessageStanza message = new MessageStanza() { to=to, type_=message_type };
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message.stanza.put_node(inner_node);
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MessageProcessingHints.set_message_hint(message, MessageProcessingHints.HINT_STORE);
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stream.get_module(MessageModule.IDENTITY).send_message.begin(stream, message);
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}
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private void on_received_message(XmppStream stream, MessageStanza message) {
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Xep.MessageArchiveManagement.MessageFlag? mam_flag = Xep.MessageArchiveManagement.MessageFlag.get_flag(message);
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if (mam_flag != null) return;
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StanzaNode? relevant_node = null;
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foreach (StanzaNode node in message.stanza.sub_nodes) {
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if (node.ns_uri == NS_URI) {
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relevant_node = node;
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break;
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}
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}
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if (relevant_node == null) return;
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string? call_id = relevant_node.get_attribute("id");
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if (call_id == null) return;
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if (relevant_node.name == "propose") {
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if (relevant_node.sub_nodes.is_empty) return;
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// If there's also a JMI node, just use that one instead.
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foreach (StanzaNode node in message.stanza.sub_nodes) {
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if (node.ns_uri == JingleMessageInitiation.NS_URI) return;
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}
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bool video = relevant_node.get_attribute_bool("video", false);
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call_proposed(message.from, message.to, call_id, video, relevant_node.sub_nodes, message);
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return;
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}
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switch (relevant_node.name) {
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case "accept":
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call_accepted(message.from, message.to, call_id, message.type_);
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break;
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case "retract":
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call_retracted(message.from, message.to, call_id, message.type_);
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break;
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case "reject":
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call_rejected(message.from, message.to, call_id, message.type_);
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break;
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case "finish":
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call_left(message.from, message.to, call_id, message.type_);
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break;
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}
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}
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public override void attach(XmppStream stream) {
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stream.get_module(MessageModule.IDENTITY).received_message.connect(on_received_message);
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}
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public override void detach(XmppStream stream) {
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stream.get_module(MessageModule.IDENTITY).received_message.disconnect(on_received_message);
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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 IDENTITY.id; }
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}
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} |