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path: root/main/src/ui/call_window/video_settings_popover.vala
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using Gee;
using Gtk;
using Dino.Entities;

public class Dino.Ui.VideoSettingsPopover : Gtk.Popover {

    public signal void camera_selected(Plugins.MediaDevice device);

    public Plugins.MediaDevice? current_device { get; set; }

    private HashMap<ListBoxRow, Plugins.MediaDevice> row_device = new HashMap<ListBoxRow, Plugins.MediaDevice>();

    public VideoSettingsPopover() {
        Box box = new Box(Orientation.VERTICAL, 15) { margin=18, visible=true };
        box.add(create_camera_box());

        this.add(box);
    }

    private Widget create_camera_box() {
        Plugins.VideoCallPlugin call_plugin = Dino.Application.get_default().plugin_registry.video_call_plugin;
        Gee.List<Plugins.MediaDevice> devices = call_plugin.get_devices("video", false);

        Box camera_box = new Box(Orientation.VERTICAL, 10) { visible=true };
        camera_box.add(new Label("<b>" + _("Cameras") + "</b>") { use_markup=true, xalign=0, visible=true, can_focus=true /* grab initial focus*/ });

        if (devices.size == 0) {
            camera_box.add(new Label("No cameras found.") { visible=true });
        } else {
            ListBox list_box = new ListBox() { activate_on_single_click=true, selection_mode=SelectionMode.SINGLE, visible=true };
            list_box.set_header_func(listbox_header_func);
            Frame frame = new Frame(null) { visible=true };
            frame.add(list_box);
            foreach (Plugins.MediaDevice device in devices) {
                Label label = new Label(device.display_name) { xalign=0, visible=true };
                Image image = new Image.from_icon_name("object-select-symbolic", IconSize.BUTTON) { visible=true };
                if (current_device == null || current_device.id != device.id) {
                    image.opacity = 0;
                }
                this.notify["current-device"].connect(() => {
                    if (current_device == null || current_device.id != device.id) {
                        image.opacity = 0;
                    } else {
                        image.opacity = 1;
                    }
                });
                Box device_box = new Box(Orientation.HORIZONTAL, 0) { spacing=7, margin=7, visible=true };
                device_box.add(image);
                device_box.add(label);
                ListBoxRow list_box_row = new ListBoxRow() { visible=true };
                list_box_row.add(device_box);
                list_box.add(list_box_row);

                row_device[list_box_row] = device;
            }
            list_box.row_activated.connect((row) => {
                if (!row_device.has_key(row)) return;
                camera_selected(row_device[row]);
                list_box.unselect_row(row);
            });
            camera_box.add(frame);
        }

        return camera_box;
    }

    private void listbox_header_func(ListBoxRow row, ListBoxRow? before_row) {
        if (row.get_header() == null && before_row != null) {
            row.set_header(new Separator(Orientation.HORIZONTAL));
        }
    }

}