303 lines
14 KiB
Vala
303 lines
14 KiB
Vala
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using Gtk;
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using Dino.Entities;
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using Xmpp;
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namespace Dino.Ui {
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public class AvatarImage : Misc {
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public int height { get; set; default = 32; }
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public int width { get; set; default = 32; }
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public bool allow_gray { get; set; default = true; }
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public Account account { get; private set; }
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public StreamInteractor stream_interactor { get; set; }
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public AvatarManager avatar_manager { owned get { return stream_interactor.get_module(AvatarManager.IDENTITY); } }
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public MucManager muc_manager { owned get { return stream_interactor.get_module(MucManager.IDENTITY); } }
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private Jid jid;
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private string? text_only;
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private bool with_plus;
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private bool gray;
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private Jid[] current_jids;
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private Gdk.Pixbuf[] current_avatars;
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public AvatarImage() {
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can_focus = false;
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get_style_context().add_class("avatar");
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}
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public override void get_preferred_width(out int minimum_width, out int natural_width) {
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minimum_width = width;
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natural_width = width;
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}
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public override void get_preferred_height(out int minimum_height, out int natural_height) {
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minimum_height = height;
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natural_height = height;
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}
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private Cairo.Surface sub_surface(Cairo.Context ctx, int idx, int width, int height, int font_factor = 1) {
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Cairo.Surface buffer = new Cairo.Surface.similar(ctx.get_target(), Cairo.Content.COLOR_ALPHA, width, height);
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Cairo.Context bufctx = new Cairo.Context(buffer);
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if (idx == -1 || current_avatars[idx] == null) {
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set_source_hex_color(bufctx, gray || idx == -1 ? "555753" : Util.get_avatar_hex_color(stream_interactor, account, current_jids[idx]));
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bufctx.rectangle(0, 0, width, height);
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bufctx.fill();
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string text = text_only ?? (idx == -1 ? "…" : Util.get_display_name(stream_interactor, current_jids[idx], account).get_char(0).toupper().to_string());
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bufctx.select_font_face(get_pango_context().get_font_description().get_family(), Cairo.FontSlant.NORMAL, Cairo.FontWeight.NORMAL);
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bufctx.set_font_size(width / font_factor < 40 ? font_factor * 17 : font_factor * 25);
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Cairo.TextExtents extents;
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bufctx.text_extents(text, out extents);
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double x_pos = width/2 - (extents.width/2 + extents.x_bearing);
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double y_pos = height/2 - (extents.height/2 + extents.y_bearing);
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bufctx.move_to(x_pos, y_pos);
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bufctx.set_source_rgba(1, 1, 1, 1);
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bufctx.show_text(text);
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} else {
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double w_scale = (double) width / current_avatars[idx].width;
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double h_scale = (double) height / current_avatars[idx].height;
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double scale = double.max(w_scale, h_scale);
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bufctx.scale(scale, scale);
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double x_off = 0, y_off = 0;
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if (scale == h_scale) {
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x_off = (width / scale - current_avatars[idx].width) / 2.0;
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} else {
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y_off = (height / scale - current_avatars[idx].height) / 2.0;
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}
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Gdk.cairo_set_source_pixbuf(bufctx, current_avatars[idx], x_off, y_off);
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bufctx.get_source().set_filter(Cairo.Filter.BEST);
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bufctx.paint();
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}
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return buffer;
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}
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private static void set_source_hex_color(Cairo.Context ctx, string hex_color) {
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ctx.set_source_rgba((double) hex_color.substring(0, 2).to_long(null, 16) / 255,
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(double) hex_color.substring(2, 2).to_long(null, 16) / 255,
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(double) hex_color.substring(4, 2).to_long(null, 16) / 255,
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hex_color.length > 6 ? (double) hex_color.substring(6, 2).to_long(null, 16) / 255 : 1);
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}
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public override bool draw(Cairo.Context ctx) {
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if (text_only == null && (current_jids == null || current_avatars == null || current_jids.length == 0)) return false;
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double radius = 3;
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double degrees = Math.PI / 180.0;
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ctx.new_sub_path();
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ctx.arc(width - radius, radius, radius, -90 * degrees, 0 * degrees);
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ctx.arc(width - radius, height - radius, radius, 0 * degrees, 90 * degrees);
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ctx.arc(radius, height - radius, radius, 90 * degrees, 180 * degrees);
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ctx.arc(radius, radius, radius, 180 * degrees, 270 * degrees);
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ctx.close_path();
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ctx.clip();
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if (text_only != null) {
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ctx.set_source_surface(sub_surface(ctx, -1, width, height), 0, 0);
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ctx.paint();
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} else if (current_jids.length == 4 || with_plus) {
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Cairo.Surface buffer = new Cairo.Surface.similar(ctx.get_target(), Cairo.Content.COLOR_ALPHA, width, height);
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Cairo.Context bufctx = new Cairo.Context(buffer);
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bufctx.scale(0.5, 0.5);
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bufctx.set_source_surface(sub_surface(ctx, 0, width - 1, height - 1, 2), 0, 0);
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bufctx.paint();
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bufctx.set_source_surface(sub_surface(ctx, 1, width - 1, height - 1, 2), width + 1, 0);
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bufctx.paint();
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bufctx.set_source_surface(sub_surface(ctx, 2, width - 1, height - 1, 2), 0, height + 1);
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bufctx.paint();
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if (with_plus) {
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bufctx.set_source_surface(sub_surface(ctx, -1, width - 1, height - 1, 2), width + 1, height + 1);
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bufctx.paint();
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} else {
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bufctx.set_source_surface(sub_surface(ctx, 3, width - 1, height - 1, 2), width + 1, height + 1);
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bufctx.paint();
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}
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ctx.set_source_surface(buffer, 0, 0);
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ctx.paint();
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} else if (current_jids.length == 3) {
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Cairo.Surface buffer = new Cairo.Surface.similar(ctx.get_target(), Cairo.Content.COLOR_ALPHA, width, height);
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Cairo.Context bufctx = new Cairo.Context(buffer);
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bufctx.scale(0.5, 0.5);
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bufctx.set_source_surface(sub_surface(ctx, 0, width - 1, height - 1, 2), 0, 0);
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bufctx.paint();
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bufctx.set_source_surface(sub_surface(ctx, 1, width - 1, height * 2, 2), width + 1, 0);
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bufctx.paint();
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bufctx.set_source_surface(sub_surface(ctx, 2, width - 1 , height - 1, 2), 0, height + 1);
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bufctx.paint();
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ctx.set_source_surface(buffer, 0, 0);
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ctx.paint();
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} else if (current_jids.length == 2) {
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Cairo.Surface buffer = new Cairo.Surface.similar(ctx.get_target(), Cairo.Content.COLOR_ALPHA, width, height);
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Cairo.Context bufctx = new Cairo.Context(buffer);
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bufctx.scale(0.5, 0.5);
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bufctx.set_source_surface(sub_surface(ctx, 0, width - 1, height * 2, 2), 0, 0);
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bufctx.paint();
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bufctx.set_source_surface(sub_surface(ctx, 1, width - 1, height * 2, 2), width + 1, 0);
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bufctx.paint();
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ctx.set_source_surface(buffer, 0, 0);
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ctx.paint();
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} else if (current_jids.length == 1) {
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ctx.set_source_surface(sub_surface(ctx, 0, width, height), 0, 0);
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ctx.paint();
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} else {
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assert_not_reached();
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}
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if (gray) {
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// convert to greyscale
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ctx.set_operator(Cairo.Operator.HSL_COLOR);
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ctx.set_source_rgb(1, 1, 1);
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ctx.rectangle(0, 0, width, height);
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ctx.fill();
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// make the visible part more light
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ctx.set_operator(Cairo.Operator.ATOP);
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ctx.set_source_rgba(1, 1, 1, 0.7);
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ctx.rectangle(0, 0, width, height);
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ctx.fill();
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}
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return true;
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}
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public override void destroy() {
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if (stream_interactor != null) {
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stream_interactor.get_module(PresenceManager.IDENTITY).show_received.disconnect(on_show_received);
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stream_interactor.get_module(AvatarManager.IDENTITY).received_avatar.disconnect(on_received_avatar);
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stream_interactor.connection_manager.connection_state_changed.disconnect(on_connection_changed);
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stream_interactor.get_module(RosterManager.IDENTITY).updated_roster_item.disconnect(on_roster_updated);
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}
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}
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public void set_jid(StreamInteractor stream_interactor, Jid jid_, Account account, bool force_update = false) {
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this.account = account;
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if (this.stream_interactor == null) {
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this.stream_interactor = stream_interactor;
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stream_interactor.get_module(PresenceManager.IDENTITY).show_received.connect(on_show_received);
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stream_interactor.get_module(AvatarManager.IDENTITY).received_avatar.connect(on_received_avatar);
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stream_interactor.connection_manager.connection_state_changed.connect(on_connection_changed);
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stream_interactor.get_module(RosterManager.IDENTITY).updated_roster_item.connect(on_roster_updated);
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}
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if (muc_manager.is_groupchat(jid_, account)) {
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// Groupchat
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Gee.List<Jid>? occupants = muc_manager.get_other_occupants(jid_, account);
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jid = jid_;
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if (occupants == null || occupants.size == 0) {
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if (force_update || current_jids.length != 1 || !current_jids[0].equals(jid_) || gray != (allow_gray && (occupants == null || !is_self_online()))) {
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set_jids(new Jid[] {jid_}, false, occupants == null || !is_self_online());
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}
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} else if (occupants.size > 4) {
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bool requires_update = force_update;
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if (!with_plus) requires_update = true;
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foreach (Jid jid in current_jids) {
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if (!occupants.contains(jid)) {
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requires_update = true;
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}
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}
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if (requires_update) {
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set_jids(occupants.slice(0, 3).to_array(), true);
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}
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} else { // 1 <= occupants.size <= 4
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bool requires_update = force_update;
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if (with_plus) requires_update = true;
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if (current_jids.length != occupants.size) requires_update = true;
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foreach (Jid jid in current_jids) {
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if (!occupants.contains(jid)) {
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requires_update = true;
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}
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}
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if (requires_update) {
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set_jids(occupants.to_array(), false);
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}
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}
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} else {
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// Single user
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this.jid = jid_;
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if (force_update || current_jids.length != 1 || !current_jids[0].equals(jid) || gray != (allow_gray && (!is_counterpart_online(jid) || !is_self_online()))) {
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set_jids(new Jid[] { jid }, false, !is_counterpart_online(jid) || !is_self_online());
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}
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}
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}
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private void on_show_received(Show show, Jid jid, Account account) {
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if (!account.equals(this.account)) return;
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if (jid.equals_bare(this.jid)) {
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set_jid(stream_interactor, this.jid, account, true);
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return;
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}
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foreach (Jid jid_ in current_jids) {
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if (jid.equals_bare(jid_)) {
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set_jid(stream_interactor, this.jid, account, true);
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return;
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}
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}
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}
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private void on_received_avatar(Gdk.Pixbuf avatar, Jid jid, Account account) {
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if (!account.equals(this.account)) return;
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if (jid.equals_bare(this.jid)) {
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set_jid(stream_interactor, this.jid, account, true);
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return;
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}
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foreach (Jid jid_ in current_jids) {
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if (jid.equals_bare(jid_)) {
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set_jid(stream_interactor, this.jid, account, true);
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return;
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}
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}
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}
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private void on_connection_changed(Account account, ConnectionManager.ConnectionState state) {
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if (!account.equals(this.account)) return;
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set_jid(stream_interactor, this.jid, account, true);
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}
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private void on_roster_updated(Account account, Jid jid, Roster.Item roster_item) {
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if (!account.equals(this.account)) return;
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if (!jid.equals_bare(this.jid)) return;
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set_jid(stream_interactor, this.jid, account, true);
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}
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private bool is_self_online() {
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return stream_interactor.connection_manager.get_state(account) == ConnectionManager.ConnectionState.CONNECTED;
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}
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private bool is_counterpart_online(Jid counterpart) {
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return stream_interactor.get_module(PresenceManager.IDENTITY).get_full_jids(counterpart, account) != null;
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}
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public void set_jids(Jid[] jids, bool with_plus = false, bool gray = false) {
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assert(jids.length > 0);
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assert(jids.length < 5);
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assert(!with_plus || jids.length == 3);
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this.text_only = null;
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this.gray = gray && allow_gray;
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this.with_plus = with_plus;
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this.current_jids = jids;
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this.current_avatars = new Gdk.Pixbuf[jids.length];
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for (int i = 0; i < current_jids.length; ++i) {
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Jid? real_jid = muc_manager.get_real_jid(current_jids[i], account);
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if (real_jid != null) {
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current_avatars[i] = avatar_manager.get_avatar(account, real_jid);
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if (current_avatars[i] != null) {
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current_jids[i] = real_jid;
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continue;
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}
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}
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current_avatars[i] = avatar_manager.get_avatar(account, current_jids[i]);
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}
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queue_draw();
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}
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public void set_text(string text, bool gray = true) {
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this.text_only = text;
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this.gray = gray;
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this.with_plus = false;
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this.current_jids = null;
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this.current_avatars = null;
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queue_draw();
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}
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}
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}
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