async test

[Víctor M. Jáquez L. <vjaquez igalia com>]

The attached code is vala program which tests the resolve_async method in fake-metadata

vmjl

/**
 * COMPILATION:
 *
 * $ valac  --pkg grilo-0.1 --pkg gio-2.0 async_test.vala
 */

using Grl;

MainLoop main_loop;

async void resolve (Grl.MetadataSource source) {
	unowned GLib.List keys = Grl.MetadataKey.list_new (Grl.METADATA_KEY_AUTHOR,
													   Grl.METADATA_KEY_DESCRIPTION,
													   Grl.METADATA_KEY_DATE);

	try {
		var media = yield source.resolve_async (keys, new Grl.Media (), Grl.MetadataResolutionFlags.NORMAL);
		print ("* author = %s\n* description = %s\n* date = %s\n",
			   media.get_author (), media.get_description (), media.get_date ());
		main_loop.quit ();
	} catch (GLib.Error err) {
		warning("Error: %s\n", err.message);
	}
}

public static int main (string[] args) {
	Grl.log_init ("*:-");
	var registry = Grl.PluginRegistry.get_instance ();

	if (registry.load_all () == false) {
		warning ("Failed to load plugins.");
		return -1;
	}

	var source = registry.lookup_source ("grl-fake-metadata") as Grl.MetadataSource;
	if (source == null) {
		warning ("Failed to lookup source");
		return -1;
	}

	resolve.begin (source);

	main_loop = new MainLoop ();
	main_loop.run ();

	return 0;
}