mirror of https://github.com/TakeV-Lambda/dino.git
543 lines
27 KiB
Vala
543 lines
27 KiB
Vala
using Gee;
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using Xmpp;
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using Dino.Entities;
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namespace Dino {
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public class Calls : StreamInteractionModule, Object {
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public signal void call_incoming(Call call, CallState state, Conversation conversation, bool video, bool multiparty);
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public signal void call_outgoing(Call call, CallState state, Conversation conversation);
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public signal void call_terminated(Call call, string? reason_name, string? reason_text);
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public signal void conference_info_received(Call call, Xep.Coin.ConferenceInfo conference_info);
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public static ModuleIdentity<Calls> IDENTITY = new ModuleIdentity<Calls>("calls");
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public string id { get { return IDENTITY.id; } }
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private StreamInteractor stream_interactor;
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private Database db;
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// public HashMap<Account, CallState> current_jmi_request_call = new HashMap<Account, CallState>(Account.hash_func, Account.equals_func);
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public HashMap<Call, PeerState> jmi_request_peer = new HashMap<Call, PeerState>(Call.hash_func, Call.equals_func);
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public HashMap<Call, CallState> call_states = new HashMap<Call, CallState>(Call.hash_func, Call.equals_func);
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public static void start(StreamInteractor stream_interactor, Database db) {
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Calls m = new Calls(stream_interactor, db);
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stream_interactor.add_module(m);
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}
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private Calls(StreamInteractor stream_interactor, Database db) {
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this.stream_interactor = stream_interactor;
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this.db = db;
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stream_interactor.account_added.connect(on_account_added);
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}
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public async CallState? initiate_call(Conversation conversation, bool video) {
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Call call = new Call();
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call.direction = Call.DIRECTION_OUTGOING;
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call.account = conversation.account;
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call.counterpart = conversation.counterpart;
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call.ourpart = stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(conversation.counterpart, conversation.account) ?? conversation.account.full_jid;
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call.time = call.local_time = call.end_time = new DateTime.now_utc();
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call.encryption = Encryption.UNKNOWN;
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call.state = Call.State.RINGING;
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stream_interactor.get_module(CallStore.IDENTITY).add_call(call, conversation);
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var call_state = new CallState(call, stream_interactor);
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connect_call_state_signals(call_state);
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call_state.we_should_send_video = video;
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call_state.we_should_send_audio = true;
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if (conversation.type_ == Conversation.Type.CHAT) {
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call.add_peer(conversation.counterpart);
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PeerState peer_state = call_state.set_first_peer(conversation.counterpart);
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jmi_request_peer[call] = peer_state;
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yield peer_state.initiate_call(conversation.counterpart);
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} else {
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call_state.initiate_groupchat_call.begin(conversation.counterpart);
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}
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conversation.last_active = call.time;
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call_outgoing(call, call_state, conversation);
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return call_state;
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}
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public bool can_we_do_calls(Account account) {
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Plugins.VideoCallPlugin? plugin = Application.get_default().plugin_registry.video_call_plugin;
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if (plugin == null) return false;
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return plugin.supports(null);
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}
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public async bool can_conversation_do_calls(Conversation conversation) {
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if (!can_we_do_calls(conversation.account)) return false;
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if (conversation.type_ == Conversation.Type.CHAT) {
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return (yield get_call_resources(conversation.account, conversation.counterpart)).size > 0 || has_jmi_resources(conversation.counterpart);
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} else {
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bool is_private = stream_interactor.get_module(MucManager.IDENTITY).is_private_room(conversation.account, conversation.counterpart);
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EntityInfo entity_info = stream_interactor.get_module(EntityInfo.IDENTITY);
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return is_private && can_initiate_groupcall(conversation.account);
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}
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}
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public bool can_initiate_groupcall(Account account) {
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return stream_interactor.get_module(MucManager.IDENTITY).default_muc_server[account] != null;
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}
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public async Gee.List<Jid> get_call_resources(Account account, Jid counterpart) {
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ArrayList<Jid> ret = new ArrayList<Jid>();
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XmppStream? stream = stream_interactor.get_stream(account);
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if (stream == null) return ret;
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Presence.Flag? presence_flag = stream.get_flag(Presence.Flag.IDENTITY);
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if (presence_flag == null) return ret;
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Gee.List<Jid>? full_jids = presence_flag.get_resources(counterpart);
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if (full_jids == null) return ret;
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foreach (Jid full_jid in full_jids) {
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var module = stream.get_module(Xep.JingleRtp.Module.IDENTITY);
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if (module == null) return ret;
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bool supports_rtc = yield module.is_available(stream, full_jid);
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if (!supports_rtc) continue;
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ret.add(full_jid);
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}
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return ret;
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}
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public async bool contains_jmi_resources(Account account, Gee.List<Jid> full_jids) {
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XmppStream? stream = stream_interactor.get_stream(account);
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if (stream == null) return false;
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foreach (Jid full_jid in full_jids) {
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bool does_jmi = yield stream_interactor.get_module(EntityInfo.IDENTITY).has_feature(account, full_jid, Xep.JingleMessageInitiation.NS_URI);
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if (does_jmi) return true;
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}
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return false;
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}
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public bool has_jmi_resources(Jid counterpart) {
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int64 jmi_resources = db.entity.select()
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.with(db.entity.jid_id, "=", db.get_jid_id(counterpart))
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.join_with(db.entity_feature, db.entity.caps_hash, db.entity_feature.entity)
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.with(db.entity_feature.feature, "=", Xep.JingleMessageInitiation.NS_URI)
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.count();
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return jmi_resources > 0;
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}
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public bool is_call_in_progress() {
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foreach (Call call in call_states.keys) {
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if (call.state == Call.State.IN_PROGRESS || call.state == Call.State.RINGING || call.state == Call.State.ESTABLISHING) {
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return true;
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}
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}
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return false;
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}
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private void on_incoming_call(Account account, Xep.Jingle.Session session) {
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Jid? muji_muc = null;
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bool counterpart_wants_video = false;
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foreach (Xep.Jingle.Content content in session.contents) {
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Xep.JingleRtp.Parameters? rtp_content_parameter = content.content_params as Xep.JingleRtp.Parameters;
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if (rtp_content_parameter == null) continue;
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muji_muc = rtp_content_parameter.muji_muc;
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if (rtp_content_parameter.media == "video" && session.senders_include_us(content.senders)) {
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counterpart_wants_video = true;
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}
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}
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// Check if this comes from a MUJI MUC => accept
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if (muji_muc != null) {
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debug("[%s] Incoming call from %s from MUJI muc %s", account.bare_jid.to_string(), session.peer_full_jid.to_string(), muji_muc.to_string());
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foreach (CallState call_state in call_states.values) {
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if (call_state.group_call != null && call_state.group_call.muc_jid.equals(muji_muc)) {
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if (call_state.peers.keys.contains(session.peer_full_jid)) {
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PeerState peer_state = call_state.peers[session.peer_full_jid];
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debug("[%s] Incoming call, we know the peer. Expected %s", account.bare_jid.to_string(), peer_state.waiting_for_inbound_muji_connection.to_string());
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if (!peer_state.waiting_for_inbound_muji_connection) return;
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peer_state.set_session(session);
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debug(@"[%s] Accepting incoming MUJI call from %s", account.bare_jid.to_string(), session.peer_full_jid.to_string());
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peer_state.accept();
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} else {
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debug(@"[%s] Incoming call, but didn't see peer in MUC yet", account.bare_jid.to_string());
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PeerState peer_state = new PeerState(session.peer_full_jid, call_state.call, call_state, stream_interactor);
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peer_state.set_session(session);
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call_state.add_peer(peer_state);
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}
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return;
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}
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}
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return;
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}
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debug(@"[%s] Incoming call from %s", account.bare_jid.to_string(), session.peer_full_jid.to_string());
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// Check if we already accepted this call via Jingle Message Initiation => accept
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Call? call = null;
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foreach (PeerState peer_state in jmi_request_peer.values) {
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CallState call_state = call_states[peer_state.call];
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if (peer_state.sid == session.sid &&
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call_state.call.account.equals(account) &&
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peer_state.jid.equals_bare(session.peer_full_jid) &&
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call_state.we_should_send_video == counterpart_wants_video &&
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call_state.accepted) {
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call = peer_state.call;
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break;
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}
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}
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if (call != null) {
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jmi_request_peer[call].set_session(session);
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jmi_request_peer[call].accept();
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jmi_request_peer.unset(call);
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return;
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}
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// This is a direct call without prior JMI. Ask user.
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PeerState peer_state = create_received_call(account, session.peer_full_jid, account.full_jid, counterpart_wants_video);
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peer_state.set_session(session);
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Conversation conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(peer_state.call.counterpart.bare_jid, account, Conversation.Type.CHAT);
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call_incoming(peer_state.call, peer_state.call_state, conversation, counterpart_wants_video, false);
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stream_interactor.module_manager.get_module(account, Xep.JingleRtp.Module.IDENTITY).session_info_type.send_ringing(session);
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}
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private PeerState create_received_call(Account account, Jid from, Jid to, bool video_requested) {
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Call call = new Call();
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if (from.equals_bare(account.bare_jid)) {
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// Call requested by another of our devices
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call.direction = Call.DIRECTION_OUTGOING;
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call.ourpart = from;
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call.state = Call.State.OTHER_DEVICE;
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call.counterpart = to;
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} else {
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call.direction = Call.DIRECTION_INCOMING;
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call.ourpart = account.full_jid;
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call.state = Call.State.RINGING;
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call.counterpart = from;
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}
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call.add_peer(call.counterpart);
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call.account = account;
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call.time = call.local_time = call.end_time = new DateTime.now_utc();
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call.encryption = Encryption.UNKNOWN;
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Conversation conversation = stream_interactor.get_module(ConversationManager.IDENTITY).create_conversation(call.counterpart.bare_jid, account, Conversation.Type.CHAT);
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stream_interactor.get_module(CallStore.IDENTITY).add_call(call, conversation);
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conversation.last_active = call.time;
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var call_state = new CallState(call, stream_interactor);
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connect_call_state_signals(call_state);
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PeerState peer_state = call_state.set_first_peer(call.counterpart);
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call_state.we_should_send_video = video_requested;
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call_state.we_should_send_audio = true;
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return peer_state;
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}
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private CallState? get_call_state_by_call_id(Account account, string call_id, Jid jid1, Jid jid2) {
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Jid relevant_jid = jid1.equals_bare(account.bare_jid) ? jid2 : jid1;
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foreach (CallState call_state in call_states.values) {
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if (!call_state.call.account.equals(account)) continue;
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if (call_state.cim_call_id == call_id) {
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foreach (Jid jid in call_state.peers.keys) {
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if (jid.equals_bare(relevant_jid)) {
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return call_state;
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}
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}
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}
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}
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return null;
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}
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private PeerState? get_peer_by_sid(Account account, string sid, Jid jid1, Jid jid2) {
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Jid relevant_jid = jid1.equals_bare(account.bare_jid) ? jid2 : jid1;
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foreach (CallState call_state in call_states.values) {
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if (!call_state.call.account.equals(account)) continue;
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foreach (PeerState peer_state in call_state.peers.values) {
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if (peer_state.sid != sid) continue;
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if (peer_state.jid.equals_bare(relevant_jid)) {
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return peer_state;
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}
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}
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}
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return null;
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}
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private CallState? create_recv_muji_call(Account account, Jid inviter_jid, Jid muc_jid, string message_type) {
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debug("[%s] Muji call received from %s for MUC %s, type %s", account.bare_jid.to_string(), inviter_jid.to_string(), muc_jid.to_string(), message_type);
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foreach (Call call in call_states.keys) {
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if (!call.account.equals(account)) return null;
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CallState call_state = call_states[call];
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if (call.counterparts.contains(inviter_jid) && call_state.accepted) {
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// A call is converted into a group call.
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call_state.join_group_call.begin(muc_jid);
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return null;
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}
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}
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Call call = new Call();
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call.direction = Call.DIRECTION_INCOMING;
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call.ourpart = account.full_jid;
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call.counterpart = inviter_jid;
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call.account = account;
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call.time = call.local_time = call.end_time = new DateTime.now_utc();
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call.encryption = Encryption.UNKNOWN;
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call.state = Call.State.RINGING;
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// TODO create conv
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Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(inviter_jid.bare_jid, account);
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if (conversation == null) return null;
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stream_interactor.get_module(CallStore.IDENTITY).add_call(call, conversation);
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conversation.last_active = call.time;
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CallState call_state = new CallState(call, stream_interactor);
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connect_call_state_signals(call_state);
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call_state.invited_to_group_call = muc_jid;
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call_state.parent_muc = inviter_jid.bare_jid;
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debug("[%s] on_muji_call_received accepting", account.bare_jid.to_string());
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return call_state;
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}
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private void remove_call_from_datastructures(Call call) {
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jmi_request_peer.unset(call);
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call_states.unset(call);
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}
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private void connect_call_state_signals(CallState call_state) {
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call_states[call_state.call] = call_state;
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ulong terminated_handler_id = -1;
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terminated_handler_id = call_state.terminated.connect((who_terminated, reason_name, reason_text) => {
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remove_call_from_datastructures(call_state.call);
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call_terminated(call_state.call, reason_name, reason_text);
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call_state.disconnect(terminated_handler_id);
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});
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}
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private void on_account_added(Account account) {
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Xep.Jingle.Module jingle_module = stream_interactor.module_manager.get_module(account, Xep.Jingle.Module.IDENTITY);
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jingle_module.session_initiate_received.connect((stream, session) => {
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foreach (Xep.Jingle.Content content in session.contents) {
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Xep.JingleRtp.Parameters? rtp_content_parameter = content.content_params as Xep.JingleRtp.Parameters;
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if (rtp_content_parameter != null) {
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on_incoming_call(account, session);
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break;
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}
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}
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});
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Xep.JingleMessageInitiation.Module mi_module = stream_interactor.module_manager.get_module(account, Xep.JingleMessageInitiation.Module.IDENTITY);
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mi_module.session_proposed.connect((from, to, sid, descriptions) => {
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if (stream_interactor.get_module(MucManager.IDENTITY).might_be_groupchat(from.bare_jid, account)) return;
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bool audio_requested = descriptions.any_match((description) => description.ns_uri == Xep.JingleRtp.NS_URI && description.get_attribute("media") == "audio");
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bool video_requested = descriptions.any_match((description) => description.ns_uri == Xep.JingleRtp.NS_URI && description.get_attribute("media") == "video");
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if (!audio_requested && !video_requested) return;
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PeerState peer_state = create_received_call(account, from, to, video_requested);
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peer_state.sid = sid;
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CallState call_state = call_states[peer_state.call];
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jmi_request_peer[peer_state.call] = peer_state;
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Conversation conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(call_state.call.counterpart.bare_jid, account, Conversation.Type.CHAT);
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if (call_state.call.direction == Call.DIRECTION_INCOMING) {
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call_incoming(call_state.call, call_state, conversation, video_requested, false);
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} else {
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call_outgoing(call_state.call, call_state, conversation);
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}
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});
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mi_module.session_accepted.connect((from, to, sid) => {
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PeerState? peer_state = get_peer_by_sid(account, sid, from, to);
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if (peer_state == null) return;
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Call call = peer_state.call;
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// Carboned message from our account
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if (from.equals_bare(account.bare_jid)) {
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// Ignore carbon from ourselves
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if (from.equals(account.full_jid)) return;
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call.ourpart = from;
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call.state = Call.State.OTHER_DEVICE;
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remove_call_from_datastructures(call);
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return;
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}
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// We proposed the call. This is a message from our peer.
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if (call.direction == Call.DIRECTION_OUTGOING &&
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from.equals_bare(peer_state.jid) && to.equals(account.full_jid)) {
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// We know the full jid of our peer now
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call_states[call].rename_peer(jmi_request_peer[call].jid, from);
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jmi_request_peer[call].call_resource.begin(from);
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}
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});
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mi_module.session_rejected.connect((from, to, sid) => {
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PeerState? peer_state = get_peer_by_sid(account, sid, from, to);
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if (peer_state == null) return;
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Call call = peer_state.call;
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bool outgoing_reject = call.direction == Call.DIRECTION_OUTGOING && from.equals_bare(call.counterparts[0]);
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bool incoming_reject = call.direction == Call.DIRECTION_INCOMING && from.equals_bare(account.bare_jid);
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if (!outgoing_reject && !incoming_reject) return;
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// We don't care if a single person in a group call rejected the call
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if (incoming_reject && call_states[call].group_call != null) return;
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call.state = Call.State.DECLINED;
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call_states[call].terminated(from, Xep.Jingle.ReasonElement.DECLINE, "JMI reject");
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remove_call_from_datastructures(call);
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});
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mi_module.session_retracted.connect((from, to, sid) => {
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PeerState? peer_state = get_peer_by_sid(account, sid, from, to);
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if (peer_state == null) return;
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Call call = peer_state.call;
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bool outgoing_retract = call.direction == Call.DIRECTION_OUTGOING && from.equals_bare(account.bare_jid);
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bool incoming_retract = call.direction == Call.DIRECTION_INCOMING && from.equals_bare(call.counterpart);
|
|
if (!(outgoing_retract || incoming_retract)) return;
|
|
|
|
call.state = Call.State.MISSED;
|
|
call_states[call].terminated(from, Xep.Jingle.ReasonElement.CANCEL, "JMI retract");
|
|
remove_call_from_datastructures(call);
|
|
});
|
|
|
|
Xep.CallInvites.Module call_invites_module = stream_interactor.module_manager.get_module(account, Xep.CallInvites.Module.IDENTITY);
|
|
call_invites_module.call_proposed.connect((from_jid, to_jid, call_id, video_requested, join_methods, message_stanza) => {
|
|
if (from_jid.equals_bare(account.bare_jid)) return;
|
|
if (stream_interactor.get_module(MucManager.IDENTITY).is_own_muc_jid(from_jid, account)) return;
|
|
|
|
bool multiparty = false;
|
|
CallState? call_state = null;
|
|
|
|
foreach (StanzaNode join_method_node in join_methods) {
|
|
if (join_method_node.name == "muji" && join_method_node.ns_uri == Xep.Muji.NS_URI) {
|
|
// This is a MUJI invite
|
|
|
|
// Disregard calls from muc history
|
|
DateTime? delay = Xep.DelayedDelivery.get_time_for_message(message_stanza, from_jid.bare_jid);
|
|
if (delay != null) return;
|
|
|
|
string? room_jid_str = join_method_node.get_attribute("room");
|
|
if (room_jid_str == null) return;
|
|
Jid room_jid = new Jid(room_jid_str);
|
|
call_state = create_recv_muji_call(account, from_jid, room_jid, message_stanza.type_);
|
|
|
|
multiparty = true;
|
|
break;
|
|
|
|
} else if (join_method_node.name == "jingle" && join_method_node.ns_uri == Xep.CallInvites.NS_URI) {
|
|
// This is an invite for a direct Jingle session
|
|
|
|
if (stream_interactor.get_module(MucManager.IDENTITY).might_be_groupchat(from_jid.bare_jid, account)) return;
|
|
|
|
string? sid = join_method_node.get_attribute("sid");
|
|
if (sid == null) return;
|
|
|
|
PeerState peer_state = create_received_call(account, from_jid, to_jid, video_requested);
|
|
peer_state.sid = sid;
|
|
|
|
call_state = call_states[peer_state.call];
|
|
|
|
jmi_request_peer[call_state.call] = peer_state;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
if (call_state == null) return;
|
|
|
|
call_state.we_should_send_audio = true;
|
|
call_state.we_should_send_video = video_requested;
|
|
|
|
call_state.use_cim = true;
|
|
call_state.cim_call_id = call_id;
|
|
call_state.cim_counterpart = message_stanza.type_ == MessageStanza.TYPE_GROUPCHAT ? from_jid.bare_jid : from_jid;
|
|
call_state.cim_message_type = message_stanza.type_;
|
|
|
|
Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).approx_conversation_for_stanza(from_jid, to_jid, account, message_stanza.type_);
|
|
conversation.last_active = call_state.call.time;
|
|
if (conversation == null) return;
|
|
|
|
if (call_state.call.direction == Call.DIRECTION_INCOMING) {
|
|
call_incoming(call_state.call, call_state, conversation, video_requested, multiparty);
|
|
} else {
|
|
call_outgoing(call_state.call, call_state, conversation);
|
|
}
|
|
});
|
|
call_invites_module.call_accepted.connect((from_jid, to_jid, call_id, message_type) => {
|
|
CallState? call_state = get_call_state_by_call_id(account, call_id, from_jid, to_jid);
|
|
if (call_state == null) return;
|
|
Call call = call_state.call;
|
|
|
|
// Carboned message from our account
|
|
if (from_jid.equals_bare(account.bare_jid)) {
|
|
// Ignore carbon from ourselves
|
|
if (from_jid.equals(account.full_jid)) return;
|
|
|
|
// We accepted the call from another device
|
|
call.ourpart = from_jid;
|
|
call.state = Call.State.OTHER_DEVICE;
|
|
remove_call_from_datastructures(call);
|
|
return;
|
|
}
|
|
|
|
// We proposed the call. This is a message from our peer.
|
|
if (call.direction == Call.DIRECTION_OUTGOING &&
|
|
to_jid.equals(account.full_jid)) {
|
|
// We know the full jid of our peer now
|
|
call_state.rename_peer(jmi_request_peer[call].jid, from_jid);
|
|
jmi_request_peer[call].call_resource.begin(from_jid);
|
|
}
|
|
});
|
|
call_invites_module.call_retracted.connect((from_jid, to_jid, call_id, message_type) => {
|
|
if (from_jid.equals_bare(account.bare_jid)) return;
|
|
|
|
// The call was retracted by the counterpart
|
|
CallState? call_state = get_call_state_by_call_id(account, call_id, from_jid, to_jid);
|
|
if (call_state == null) return;
|
|
|
|
if (call_state.call.state != Call.State.RINGING) {
|
|
debug("%s tried to retract a call that's in state %s. Ignoring.", from_jid.to_string(), call_state.call.state.to_string());
|
|
return;
|
|
}
|
|
|
|
// TODO prevent other MUC occupants from retracting a call
|
|
|
|
call_state.call.state = Call.State.MISSED;
|
|
remove_call_from_datastructures(call_state.call);
|
|
});
|
|
call_invites_module.call_rejected.connect((from_jid, to_jid, call_id, message_type) => {
|
|
if (from_jid.equals_bare(account.bare_jid)) return;
|
|
debug(@"[%s] %s rejected our MUJI invite", account.bare_jid.to_string(), from_jid.to_string());
|
|
});
|
|
|
|
stream_interactor.module_manager.get_module(account, Xep.Coin.Module.IDENTITY).coin_info_received.connect((jid, info) => {
|
|
foreach (Call call in call_states.keys) {
|
|
if (call.counterparts[0].equals_bare(jid)) {
|
|
conference_info_received(call, info);
|
|
return;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
} |