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path: root/main/src/ui/conversation_titlebar/encryption_entry.vala
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using Gtk;
using Gee;

using Dino.Entities;

namespace Dino.Ui {

class EncryptionEntry : Plugins.ConversationTitlebarEntry, Object {
    public string id { get { return "encryption"; } }

    public double order { get { return 2; } }
    public Plugins.ConversationTitlebarWidget get_widget(Plugins.WidgetType type) {
        if (type == Plugins.WidgetType.GTK) {
            return new EncryptionWidget() { visible=true };
        }
        return null;
    }
}

class EncryptionWidget : MenuButton, Plugins.ConversationTitlebarWidget {

    private Conversation? conversation;
    private RadioButton? button_unencrypted;
    private Map<RadioButton, Plugins.EncryptionListEntry> encryption_radios = new HashMap<RadioButton, Plugins.EncryptionListEntry>();

    public EncryptionWidget() {
        Builder builder = new Builder.from_resource("/im/dino/menu_encryption.ui");
        PopoverMenu menu = builder.get_object("menu_encryption") as PopoverMenu;
        Box encryption_box = builder.get_object("encryption_box") as Box;
        button_unencrypted = builder.get_object("button_unencrypted") as RadioButton;
        button_unencrypted.toggled.connect(encryption_changed);
        Application app = GLib.Application.get_default() as Application;
        foreach(var e in app.plugin_registry.encryption_list_entries) {
            RadioButton btn = new RadioButton.with_label(button_unencrypted.get_group(), e.name);
            encryption_radios[btn] = e;
            btn.toggled.connect(encryption_changed);
            btn.visible = true;
            encryption_box.pack_end(btn, false);
        }
        clicked.connect(update_encryption_menu_state);
        set_use_popover(true);
        set_popover(menu);
        set_image(new Image.from_icon_name("changes-allow-symbolic", IconSize.BUTTON));
    }

    private void encryption_changed() {
        foreach (RadioButton e in encryption_radios.keys) {
            if (e.get_active()) {
                conversation.encryption = encryption_radios[e].encryption;
                update_encryption_menu_icon();
                return;
            }
        }
        conversation.encryption = Encryption.NONE;
        update_encryption_menu_icon();
    }

    private void update_encryption_menu_state() {
        foreach (RadioButton e in encryption_radios.keys) {
            e.set_sensitive(encryption_radios[e].can_encrypt(conversation));
            if (conversation.encryption == encryption_radios[e].encryption) e.set_active(true);
        }
        if (conversation.encryption == Encryption.NONE) {
            button_unencrypted.set_active(true);
        }
    }

    private void update_encryption_menu_icon() {
        visible = (conversation.type_ == Conversation.Type.CHAT);
        if (conversation.type_ == Conversation.Type.CHAT) {
            if (conversation.encryption == Encryption.NONE) {
                set_image(new Image.from_icon_name("changes-allow-symbolic", IconSize.BUTTON));
            } else {
                set_image(new Image.from_icon_name("changes-prevent-symbolic", IconSize.BUTTON));
            }
        }
    }

    public new void set_conversation(Conversation conversation) {
        this.conversation = conversation;
        update_encryption_menu_state();
        update_encryption_menu_icon();
    }
}

}