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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).message_received.connect(on_message_received);
stream_interactor.get_module(MessageProcessor.IDENTITY).message_sent.connect(on_message_sent);
}
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.stanza != null && !message.equals(selected_conversation.read_up_to)) {
selected_conversation.read_up_to = message;
send_chat_marker(selected_conversation, message, 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 void on_message_received(Entities.Message message, Conversation conversation) {
if (Xep.MessageArchiveManagement.MessageFlag.get_flag(message.stanza) != null) return;
send_delivery_receipt(conversation, message);
if (is_active_focus(conversation)) {
check_send_read();
conversation.read_up_to = message;
send_chat_marker(conversation, message, Xep.ChatMarkers.MARKER_DISPLAYED);
} else {
send_chat_marker(conversation, message, Xep.ChatMarkers.MARKER_RECEIVED);
}
}
private void send_chat_marker(Conversation conversation, Entities.Message message, string marker) {
XmppStream stream = stream_interactor.get_stream(conversation.account);
if (stream != null &&
(marker == Xep.ChatMarkers.MARKER_RECEIVED || conversation.get_send_marker_setting() == Conversation.Setting.ON) &&
Xep.ChatMarkers.Module.requests_marking(message.stanza)) {
stream.get_module(Xep.ChatMarkers.Module.IDENTITY).send_marker(stream, message.stanza.from, message.stanza_id, message.get_type_string(), marker);
}
}
private void send_delivery_receipt(Conversation conversation, Entities.Message message) {
XmppStream stream = stream_interactor.get_stream(conversation.account);
if (stream != null && Xep.MessageDeliveryReceipts.Module.requests_receipt(message.stanza)) {
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) {
XmppStream stream = stream_interactor.get_stream(conversation.account);
if (stream != null && conversation.get_send_typing_setting() == Conversation.Setting.ON &&
conversation.type_ != Conversation.Type.GROUPCHAT) {
stream.get_module(Xep.ChatStateNotifications.Module.IDENTITY).send_state(stream, conversation.counterpart, state);
}
}
}
}
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