go-ethereum/cmd/mist/assets/ext/qml_messaging.js

// Copyright (c) 2013-2014, Jeffrey Wilcke. All rights reserved.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
// MA 02110-1301  USA

function HandleMessage(data) {
	var message;
	try { message = JSON.parse(data) } catch(e) {};

	if(message) {
		switch(message.type) {
			case "coinbase":
				return eth.coinBase();
			case "block":
				return eth.blockByNumber(0);
		}
	}
}