~gotwig/gazette/global-service-states

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/**
 * This class represents the plugin interface. Subclass Gazette.Plugin to create a new plugin.
 * Plugins will be assigned a {@link Gazette.Service} that will be on variable service.
 * Plugins have to use Gazette.Service methods in order to display contents on it.
 * @see Gazette.Service for more information.
 * 
 *
 */
public abstract class Gazette.Plugin.Base : Object {
    /**
     * Connect to this signal to do any cleanup before being disabled.
     */
    public signal void destroy ();
    public string id { get; protected set;}
    public string name {get; protected set;}
    /**
     * Creates a new {@link Service}.
     */
    public abstract Service create_service () {}
    /**
     * Place here all the code necessary to update the service.
     * This method is guarranteed to be called at least once.
     * If you want your service to auto-update on a time basis
     * add a call to {@link GLib.Timeout} in {@link create_service}.
     * @see GLib.Timeout
     * @since 0.1
     */
    public abstract bool update ();
    public void set_update_interval (int ms) {
        Timeout.add(ms, update);
    }
    public Service service;
    /*TODO Make all services use ellipsize by default, this should be done using
     *Clutter.Text. We may migrate ShadowedLabel to Clutter.Text if possible
     *since it allows native clutter support.
     */
    public static string ellipsize (string s, int max_length) {
        string ret = s;
        if (ret.length > max_length)
            ret = ret.substring (0, ret.index_of_nth_char(max_length-3)) + "...";
        return ret;
    }
}