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using Gee;
using Xmpp;
using Dino.Entities;
namespace Dino {
public class ChatInteraction : StreamInteractionModule, Object {
public static ModuleIdentity<ChatInteraction> IDENTITY = new ModuleIdentity<ChatInteraction>("chat_interaction");
public string id { get { return IDENTITY.id; } }
public signal void focused_in(Conversation conversation);
public signal void focused_out(Conversation conversation);
private StreamInteractor stream_interactor;
private Conversation? selected_conversation;
private HashMap<Conversation, DateTime> last_input_interaction = new HashMap<Conversation, DateTime>(Conversation.hash_func, Conversation.equals_func);
private HashMap<Conversation, DateTime> last_interface_interaction = new HashMap<Conversation, DateTime>(Conversation.hash_func, Conversation.equals_func);
private bool focus_in = false;
public static void start(StreamInteractor stream_interactor) {
ChatInteraction m = new ChatInteraction(stream_interactor);
stream_interactor.add_module(m);
}
private ChatInteraction(StreamInteractor stream_interactor) {
this.stream_interactor = stream_interactor;
Timeout.add_seconds(30, update_interactions);
stream_interactor.get_module(MessageProcessor.IDENTITY).received_pipeline.connect(new ReceivedMessageListener(stream_interactor));
stream_interactor.get_module(MessageProcessor.IDENTITY).message_sent.connect(on_message_sent);
}
public bool has_unread(Conversation conversation) {
ContentItem? last_content_item = stream_interactor.get_module(ContentItemStore.IDENTITY).get_latest(conversation);
if (last_content_item == null) return false;
MessageItem? message_item = last_content_item as MessageItem;
if (message_item != null) {
Message last_message = message_item.message;
// We are the message sender
if (last_message.from.equals_bare(conversation.account.bare_jid)) return false;
// We read up to the message
if (conversation.read_up_to != null && last_message.equals(conversation.read_up_to)) return false;
return true;
}
FileItem? file_item = last_content_item as FileItem;
if (file_item != null) {
FileTransfer file_transfer = file_item.file_transfer;
// We are the file sender
if (file_transfer.from.equals_bare(conversation.account.bare_jid)) return false;
if (file_transfer.provider == 0) {
// HTTP file transfer: Check if the associated message is the last one
Message? message = stream_interactor.get_module(MessageStorage.IDENTITY).get_message_by_id(int.parse(file_transfer.info), conversation);
if (message == null) return false;
if (message.equals(conversation.read_up_to)) return false;
}
if (file_transfer.provider == 1) {
if (file_transfer.state == FileTransfer.State.COMPLETE) return false;
}
return true;
}
return false;
}
public bool is_active_focus(Conversation? conversation = null) {
if (conversation != null) {
return focus_in && conversation.equals(this.selected_conversation);
} else {
return focus_in;
}
}
public void on_window_focus_in(Conversation? conversation) {
on_conversation_focused(conversation);
}
public void on_window_focus_out(Conversation? conversation) {
on_conversation_unfocused(conversation);
}
public void on_message_entered(Conversation? conversation) {
if (!last_input_interaction.has_key(conversation)) {
send_chat_state_notification(conversation, Xep.ChatStateNotifications.STATE_COMPOSING);
}
last_input_interaction[conversation] = new DateTime.now_utc();
last_interface_interaction[conversation] = new DateTime.now_utc();
}
public void on_message_cleared(Conversation? conversation) {
if (last_input_interaction.has_key(conversation)) {
last_input_interaction.unset(conversation);
send_chat_state_notification(conversation, Xep.ChatStateNotifications.STATE_ACTIVE);
}
}
public void on_conversation_selected(Conversation conversation) {
on_conversation_unfocused(selected_conversation);
selected_conversation = conversation;
on_conversation_focused(conversation);
}
private void on_message_sent(Entities.Message message, Conversation conversation) {
last_input_interaction.unset(conversation);
last_interface_interaction.unset(conversation);
conversation.read_up_to = message;
}
private void on_conversation_focused(Conversation? conversation) {
focus_in = true;
if (conversation == null) return;
focused_in(selected_conversation);
check_send_read();
selected_conversation.read_up_to = stream_interactor.get_module(MessageStorage.IDENTITY).get_last_message(conversation);
}
private void on_conversation_unfocused(Conversation? conversation) {
focus_in = false;
if (conversation == null) return;
focused_out(selected_conversation);
if (last_input_interaction.has_key(conversation)) {
send_chat_state_notification(conversation, Xep.ChatStateNotifications.STATE_PAUSED);
last_input_interaction.unset(conversation);
}
}
private void check_send_read() {
if (selected_conversation == null || selected_conversation.type_ == Conversation.Type.GROUPCHAT) return;
Entities.Message? message = stream_interactor.get_module(MessageStorage.IDENTITY).get_last_message(selected_conversation);
if (message != null && message.direction == Entities.Message.DIRECTION_RECEIVED && !message.equals(selected_conversation.read_up_to)) {
selected_conversation.read_up_to = message;
send_chat_marker(message, null, selected_conversation, Xep.ChatMarkers.MARKER_DISPLAYED);
}
}
private bool update_interactions() {
for (MapIterator<Conversation, DateTime> iter = last_input_interaction.map_iterator(); iter.has_next(); iter.next()) {
if (!iter.valid && iter.has_next()) iter.next();
Conversation conversation = iter.get_key();
if (last_input_interaction.has_key(conversation) &&
(new DateTime.now_utc()).difference(last_input_interaction[conversation]) >= 15 * TimeSpan.SECOND) {
iter.unset();
send_chat_state_notification(conversation, Xep.ChatStateNotifications.STATE_PAUSED);
}
}
for (MapIterator<Conversation, DateTime> iter = last_interface_interaction.map_iterator(); iter.has_next(); iter.next()) {
if (!iter.valid && iter.has_next()) iter.next();
Conversation conversation = iter.get_key();
if (last_interface_interaction.has_key(conversation) &&
(new DateTime.now_utc()).difference(last_interface_interaction[conversation]) >= 1.5 * TimeSpan.MINUTE) {
iter.unset();
send_chat_state_notification(conversation, Xep.ChatStateNotifications.STATE_GONE);
}
}
return true;
}
private class ReceivedMessageListener : MessageListener {
public string[] after_actions_const = new string[]{ "DEDUPLICATE", "FILTER_EMPTY" };
public override string action_group { get { return "OTHER_NODES"; } }
public override string[] after_actions { get { return after_actions_const; } }
private StreamInteractor stream_interactor;
public ReceivedMessageListener(StreamInteractor stream_interactor) {
this.stream_interactor = stream_interactor;
}
public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
if (Xep.MessageArchiveManagement.MessageFlag.get_flag(stanza) != null) return false;
ChatInteraction outer = stream_interactor.get_module(ChatInteraction.IDENTITY);
outer.send_delivery_receipt(message, stanza, conversation);
// Send chat marker
if (message.direction == Entities.Message.DIRECTION_SENT) return false;
if (outer.is_active_focus(conversation)) {
outer.check_send_read();
conversation.read_up_to = message;
outer.send_chat_marker(message, stanza, conversation, Xep.ChatMarkers.MARKER_DISPLAYED);
} else {
outer.send_chat_marker(message, stanza, conversation, Xep.ChatMarkers.MARKER_RECEIVED);
}
return false;
}
}
private void send_chat_marker(Entities.Message message, Xmpp.MessageStanza? stanza, Conversation conversation, string marker) {
XmppStream? stream = stream_interactor.get_stream(conversation.account);
if (stream == null) return;
if (message.stanza_id == null) return; // Need a stanza id to mark
switch (marker) {
case Xep.ChatMarkers.MARKER_RECEIVED:
if (stanza != null && Xep.ChatMarkers.Module.requests_marking(stanza)) {
stream.get_module(Xep.ChatMarkers.Module.IDENTITY).send_marker(stream, message.from, message.stanza_id, message.get_type_string(), Xep.ChatMarkers.MARKER_RECEIVED);
}
break;
case Xep.ChatMarkers.MARKER_DISPLAYED:
if (conversation.get_send_marker_setting(stream_interactor) == Conversation.Setting.ON) {
stream.get_module(Xep.ChatMarkers.Module.IDENTITY).send_marker(stream, message.from, message.stanza_id, message.get_type_string(), Xep.ChatMarkers.MARKER_DISPLAYED);
}
break;
}
}
private void send_delivery_receipt(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
if (message.direction == Entities.Message.DIRECTION_SENT) return;
if (!Xep.MessageDeliveryReceipts.Module.requests_receipt(stanza)) return;
if (conversation.type_ == Conversation.Type.GROUPCHAT) return;
XmppStream? stream = stream_interactor.get_stream(conversation.account);
if (stream != null) {
stream.get_module(Xep.MessageDeliveryReceipts.Module.IDENTITY).send_received(stream, message.from, message.stanza_id);
}
}
private void send_chat_state_notification(Conversation conversation, string state) {
if (conversation.get_send_typing_setting(stream_interactor) != Conversation.Setting.ON) return;
XmppStream? stream = stream_interactor.get_stream(conversation.account);
if (stream != null) {
string message_type = conversation.type_ == Conversation.Type.GROUPCHAT ? Xmpp.MessageStanza.TYPE_GROUPCHAT : Xmpp.MessageStanza.TYPE_CHAT;
stream.get_module(Xep.ChatStateNotifications.Module.IDENTITY).send_state(stream, conversation.counterpart, message_type, state);
}
}
}
}
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