58 lines
1.9 KiB
JavaScript
58 lines
1.9 KiB
JavaScript
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js 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 Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file qt.js
|
|
* @authors:
|
|
* Jeffrey Wilcke <jeff@ethdev.com>
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
/**
|
|
* QtProvider object prototype is implementing 'provider protocol'
|
|
* Should be used inside ethereum browser. It's compatible with cpp and go clients.
|
|
* It uses navigator.qt object to pass the messages to native bindings
|
|
*/
|
|
var QtProvider = function() {
|
|
this.handlers = [];
|
|
|
|
var self = this;
|
|
navigator.qt.onmessage = function (message) {
|
|
self.handlers.forEach(function (handler) {
|
|
handler.call(self, JSON.parse(message.data));
|
|
});
|
|
};
|
|
};
|
|
|
|
/// Prototype object method
|
|
/// Should be called when we want to send single api request to native bindings
|
|
/// Asynchronous
|
|
/// Response will be received by navigator.qt.onmessage method and passed to handlers
|
|
/// @param payload is inner message object
|
|
QtProvider.prototype.send = function(payload) {
|
|
navigator.qt.postMessage(JSON.stringify(payload));
|
|
};
|
|
|
|
/// Prototype object property
|
|
/// Should be used to set message handlers for this provider
|
|
Object.defineProperty(QtProvider.prototype, "onmessage", {
|
|
set: function(handler) {
|
|
this.handlers.push(handler);
|
|
}
|
|
});
|
|
|
|
module.exports = QtProvider;
|