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@HelloZeroNet
Forked from GomZik/ZeroFrame.js
Created December 4, 2016 23:31
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ZeroFrame api ES6
const CMD_INNER_READY = 'innerReady'
const CMD_RESPONSE = 'response'
const CMD_WRAPPER_READY = 'wrapperReady'
const CMD_PING = 'ping'
const CMD_PONG = 'pong'
const CMD_WRAPPER_OPENED_WEBSOCKET = 'wrapperOpenedWebsocket'
const CMD_WRAPPER_CLOSE_WEBSOCKET = 'wrapperClosedWebsocket'
class ZeroFrame {
constructor(url) {
this.url = url
this.waiting_cb = {}
this.connect()
this.next_message_id = 1
this.init()
}
init() {
return this
}
connect() {
this.target = window.parent
window.addEventListener('message', e => this.onMessage(e), false)
this.cmd(CMD_INNER_READY)
}
onMessage(e) {
let message = e.data
let cmd = message.cmd
if (cmd === CMD_RESPONSE) {
if (this.waiting_cb[message.to] !== undefined) {
this.waiting_cb[message.to](message.result)
}
else {
this.log("Websocket callback not found:", message)
}
} else if (cmd === CMD_WRAPPER_READY) {
this.cmd(CMD_INNER_READY)
} else if (cmd === CMD_PING) {
this.response(message.id, CMD_PONG)
} else if (cmd === CMD_WRAPPER_OPENED_WEBSOCKET) {
this.onOpenWebsocket()
} else if (cmd === CMD_WRAPPER_CLOSE_WEBSOCKET) {
this.onCloseWebsocket()
} else {
this.route(cmd, message)
}
}
route(cmd, message) {
this.log("Unknown command", message)
}
response(to, result) {
this.send({
cmd: CMD_RESPONSE,
to: to,
result: result
})
}
cmd(cmd, params={}, cb=null) {
this.send({
cmd: cmd,
params: params
}, cb)
}
send(message, cb=null) {
message.id = this.next_message_id
this.next_message_id++
this.target.postMessage(message, '*')
if (cb) {
this.waiting_cb[message.id] = cb
}
}
log(...args) {
console.log.apply(console, ['[ZeroFrame]'].concat(args))
}
onOpenWebsocket() {
this.log('Websocket open')
}
onCloseWebsocket() {
this.log('Websocket close')
}
}
export default ZeroFrame
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