plugeth/ethereal/assets/ethereum.js

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// Helper function for generating pseudo callbacks and sending data to the QML part of the application
function postData(data, cb) {
data._seed = Math.floor(Math.random() * 1000000)
if(cb) {
eth._callbacks[data._seed] = cb;
}
navigator.qt.postMessage(JSON.stringify(data));
}
// Main Ethereum library
window.eth = {
prototype: Object(),
send: function(cb) {
document.getElementById("out").innerHTML = "clicked";
postData({message: "Hello world"}, cb);
}
}
window.eth._callbacks = {}
function debug(/**/) {
var args = arguments;
var msg = ""
for(var i=0; i<args.length; i++){
if(typeof args[i] == "object") {
msg += " " + JSON.stringify(args[i])
} else {
msg += args[i]
}
}
document.getElementById("debug").innerHTML += "<br>" + msg
}
navigator.qt.onmessage = function(ev) {
var data = JSON.parse(ev.data)
if(data._seed) {
var cb = eth._callbacks[data._seed];
if(cb) {
// Call the callback
cb(data.data);
// Remove the "trigger" callback
delete eth._callbacks[ev._seed];
}
}
}