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using Gtk;

using Dino.Entities;

namespace Dino.Plugins.HttpFiles {

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

    StreamInteractor stream_interactor;

    public ConversationsTitlebarEntry(StreamInteractor stream_interactor) {
        this.stream_interactor = stream_interactor;
    }

    public double order { get { return 4; } }
    public Plugins.ConversationTitlebarWidget get_widget(WidgetType type) {
        if (type == WidgetType.GTK) {
            return new ConversationTitlebarWidget(stream_interactor) { visible=true };
        }
        return null;
    }
}

public class ConversationTitlebarWidget : Button, Plugins.ConversationTitlebarWidget {

    private Conversation? conversation;
    private StreamInteractor stream_interactor;

    public ConversationTitlebarWidget(StreamInteractor stream_interactor) {
        this.stream_interactor = stream_interactor;
        image = new Image.from_icon_name("mail-attachment-symbolic", IconSize.MENU);
        clicked.connect(on_clicked);
        stream_interactor.get_module(Manager.IDENTITY).upload_available.connect(on_upload_available);
    }

    public void on_clicked() {
        FileChooserDialog chooser = new FileChooserDialog (
                "Select file", null, FileChooserAction.OPEN,
                "Cancel", ResponseType.CANCEL,
                "Select", ResponseType.ACCEPT);
        int? max_file_size = stream_interactor.get_module(Manager.IDENTITY).get_max_file_size(conversation.account);
        if (max_file_size != null) {
            FileFilter filter = new FileFilter();
            filter.add_custom(FileFilterFlags.URI, (filter_info) => {
                File file = File.new_for_uri(filter_info.uri);
                FileInfo file_info = file.query_info("*", FileQueryInfoFlags.NONE);
                return file_info.get_size() <= max_file_size;
            });
            chooser.set_filter(filter);
        }
        if (chooser.run() == Gtk.ResponseType.ACCEPT) {
            string uri = chooser.get_filename();
            stream_interactor.get_module(Manager.IDENTITY).send(conversation, uri);
        }
        chooser.close();
    }

    public void on_upload_available(Account account) {
        Idle.add(() => {
            if (conversation != null && conversation.account.equals(account)) {
                visible = true;
            }
            return false;
        });
    }

    public new void set_conversation(Conversation conversation) {
        this.conversation = conversation;
        visible = stream_interactor.get_module(Manager.IDENTITY).is_upload_available(conversation.account);
    }
}

}