86 lines
2.6 KiB
Vala
86 lines
2.6 KiB
Vala
namespace Xmpp.Xep.DelayedDelivery {
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private const string NS_URI = "urn:xmpp:delay";
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public static DateTime? get_time_for_node(StanzaNode node) {
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string? time = node.get_attribute("stamp");
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if (time != null) return DateTimeProfiles.parse_string(time);
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return null;
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}
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public static DateTime? get_time_for_message(MessageStanza message, Jid? jid = null) {
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foreach (StanzaNode delay_node in message.stanza.get_subnodes("delay", NS_URI)) {
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if (jid == null || delay_node.get_attribute("from") == jid.to_string()) {
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return get_time_for_node(delay_node);
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}
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}
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return null;
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}
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public class Module : XmppStreamModule {
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public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, "0203_delayed_delivery");
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private ReceivedPipelineListener received_pipeline_listener = new ReceivedPipelineListener();
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public static void set_message_delay(MessageStanza message, DateTime datetime) {
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StanzaNode delay_node = (new StanzaNode.build("delay", NS_URI)).add_self_xmlns();
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delay_node.put_attribute("stamp", DateTimeProfiles.to_datetime(datetime));
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message.stanza.put_node(delay_node);
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}
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public override void attach(XmppStream stream) {
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stream.get_module(MessageModule.IDENTITY).received_pipeline.connect(received_pipeline_listener);
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}
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public override void detach(XmppStream stream) {
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stream.get_module(MessageModule.IDENTITY).received_pipeline.disconnect(received_pipeline_listener);
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}
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public override string get_ns() {
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return NS_URI;
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}
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public override string get_id() {
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return IDENTITY.id;
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}
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}
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public class ReceivedPipelineListener : StanzaListener<MessageStanza> {
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private const string[] after_actions_const = {};
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public override string action_group { get { return "ADD_NODE"; } }
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public override string[] after_actions { get { return after_actions_const; } }
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public override async bool run(XmppStream stream, MessageStanza message) {
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DateTime? datetime = get_time_for_message(message);
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if (datetime != null) message.add_flag(new MessageFlag(datetime));
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return false;
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}
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}
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public class MessageFlag : Xmpp.MessageFlag {
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public const string ID = "delayed_delivery";
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public DateTime datetime { get; private set; }
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public MessageFlag(DateTime datetime) {
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this.datetime = datetime;
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}
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public static MessageFlag? get_flag(MessageStanza message) {
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return (MessageFlag) message.get_flag(NS_URI, ID);
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}
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public override string get_ns() {
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return NS_URI;
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}
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public override string get_id() {
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return ID;
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}
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}
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}
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