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using Gee;
using Gtk;
using Xmpp;
using Dino.Entities;
namespace Dino.Ui {
public class ConversationSelector : ListBox {
public signal void conversation_selected(Conversation conversation);
private StreamInteractor stream_interactor;
private string[]? filter_values;
private HashMap<Conversation, ConversationSelectorRow> rows = new HashMap<Conversation, ConversationSelectorRow>(Conversation.hash_func, Conversation.equals_func);
public ConversationSelector init(StreamInteractor stream_interactor) {
this.stream_interactor = stream_interactor;
stream_interactor.get_module(ConversationManager.IDENTITY).conversation_activated.connect(add_conversation);
stream_interactor.get_module(ConversationManager.IDENTITY).conversation_deactivated.connect(remove_conversation);
stream_interactor.get_module(MessageProcessor.IDENTITY).message_received.connect(on_message_received);
stream_interactor.get_module(MessageProcessor.IDENTITY).message_sent.connect(on_message_received);
Timeout.add_seconds(60, () => {
foreach (ConversationSelectorRow row in rows.values) row.update();
return true;
});
foreach (Conversation conversation in stream_interactor.get_module(ConversationManager.IDENTITY).get_active_conversations()) {
add_conversation(conversation);
}
return this;
}
construct {
this.stream_interactor = stream_interactor;
get_style_context().add_class("sidebar");
set_filter_func(filter);
set_header_func(header);
set_sort_func(sort);
realize.connect(() => {
ListBoxRow? first_row = get_row_at_index(0);
if (first_row != null) {
select_row(first_row);
row_activated(first_row);
}
});
}
public override void row_activated(ListBoxRow r) {
ConversationSelectorRow? row = r as ConversationSelectorRow;
if (row != null) {
conversation_selected(row.conversation);
}
}
public void set_filter_values(string[]? values) {
if (filter_values == values) {
return;
}
filter_values = values;
invalidate_filter();
}
public void on_conversation_selected(Conversation conversation) {
if (!rows.has_key(conversation)) {
add_conversation(conversation);
}
rows[conversation].grab_focus();
this.select_row(rows[conversation]);
}
private void on_message_received(Entities.Message message, Conversation conversation) {
if (rows.has_key(conversation)) {
invalidate_sort();
}
}
private void add_conversation(Conversation conversation) {
ConversationSelectorRow row;
if (!rows.has_key(conversation)) {
row = new ConversationSelectorRow(stream_interactor, conversation);
rows[conversation] = row;
add(row);
row.closed.connect(() => { select_fallback_conversation(conversation); });
row.main_revealer.set_reveal_child(true);
}
invalidate_sort();
}
private void select_fallback_conversation(Conversation conversation) {
if (get_selected_row() == rows[conversation]) {
int index = rows[conversation].get_index();
ListBoxRow? next_select_row = get_row_at_index(index + 1);
if (next_select_row == null) {
next_select_row = get_row_at_index(index - 1);
}
if (next_select_row != null) {
select_row(next_select_row);
row_activated(next_select_row);
}
}
}
private void remove_conversation(Conversation conversation) {
select_fallback_conversation(conversation);
if (rows.has_key(conversation) && !conversation.active) {
remove(rows[conversation]);
rows.unset(conversation);
}
}
public void loop_conversations(bool backwards) {
int index = get_selected_row().get_index();
int new_index = ((index + (backwards ? -1 : 1)) + rows.size) % rows.size;
ListBoxRow? next_select_row = get_row_at_index(new_index);
if (next_select_row != null) {
select_row(next_select_row);
row_activated(next_select_row);
}
}
private void header(ListBoxRow row, ListBoxRow? before_row) {
if (row.get_header() == null && before_row != null) {
row.set_header(new Separator(Orientation.HORIZONTAL));
} else if (row.get_header() != null && before_row == null) {
row.set_header(null);
}
}
private bool filter(ListBoxRow r) {
ConversationSelectorRow? row = r as ConversationSelectorRow;
if (row != null) {
if (filter_values != null && filter_values.length != 0) {
foreach (string filter in filter_values) {
if (!(Util.get_conversation_display_name(stream_interactor, row.conversation).down().contains(filter.down()) ||
row.conversation.counterpart.to_string().down().contains(filter.down()))) {
return false;
}
}
}
}
return true;
}
private int sort(ListBoxRow row1, ListBoxRow row2) {
ConversationSelectorRow cr1 = row1 as ConversationSelectorRow;
ConversationSelectorRow cr2 = row2 as ConversationSelectorRow;
if (cr1 != null && cr2 != null) {
Conversation c1 = cr1.conversation;
Conversation c2 = cr2.conversation;
if (c1.last_active == null) return -1;
if (c2.last_active == null) return 1;
int comp = c2.last_active.compare(c1.last_active);
if (comp == 0) {
return Util.get_conversation_display_name(stream_interactor, c1)
.collate(Util.get_conversation_display_name(stream_interactor, c2));
} else {
return comp;
}
}
return 0;
}
}
}
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