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// Theirs
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import React from 'react'
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import Head from 'next/head'
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import { withRouter } from 'next/router'
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import url from 'url'
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import morph from 'morphmorph'
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// Ours
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import { StylesheetLink, CodeMirrorLink, MetaTags } from '../components/Meta'
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import Carbon from '../components/Carbon'
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import { DEFAULT_CODE, DEFAULT_SETTINGS } from '../lib/constants'
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import { getQueryStringState } from '../lib/routing'
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const isInIFrame = morph.get('parent.window.parent')
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const getParent = win => {
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const iFrame = isInIFrame(win)
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if (iFrame) {
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return iFrame
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}
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return win.parent
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}
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const Page = props => (
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<React.Fragment>
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<Head>
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<title>Carbon Embeds</title>
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</Head>
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<MetaTags />
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<StylesheetLink theme={props.theme} />
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<CodeMirrorLink />
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{props.children}
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<style jsx global>
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{`
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html,
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body {
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margin: 0;
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background: transparent;
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min-height: 0;
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}
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`}
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</style>
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</React.Fragment>
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)
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class Embed extends React.Component {
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state = {
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...DEFAULT_SETTINGS,
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code: DEFAULT_CODE,
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mounted: false,
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readOnly: true
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}
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componentDidMount() {
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const { asPath = '' } = this.props.router
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const { query } = url.parse(asPath, true)
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const queryParams = getQueryStringState(query)
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const initialState = Object.keys(queryParams).length ? queryParams : {}
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this.setState(
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{
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...initialState,
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id: query.id,
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copyable: queryParams.copy !== false,
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readOnly: queryParams.readonly !== false,
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mounted: true
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},
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this.postMessage
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)
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}
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ref = React.createRef()
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postMessage = () => {
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getParent(window).postMessage(
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JSON.stringify({
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// Used by embed provider
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src: window.location.toString(),
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context: 'iframe.resize',
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height: this.ref.current.exportContainerNode.offsetHeight
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}),
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'*'
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)
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}
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updateCode = code => {
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this.setState({ code }, this.postMessage)
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getParent(window).postMessage(
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{
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id: this.state.id ? `carbon:${this.state.id}` : 'carbon',
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code
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},
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'*'
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)
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}
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render() {
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return (
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<Page theme={this.state.theme}>
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{this.state.mounted && (
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<Carbon
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ref={this.ref}
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config={this.state}
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readOnly={this.state.readOnly}
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copyable={this.state.copyable}
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updateCode={this.updateCode}
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>
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{this.state.code}
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</Carbon>
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)}
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</Page>
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)
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}
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}
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export default withRouter(Embed)
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