@bigfishtv/cockpit/es5/components/preview/PreviewFrame.js

'use strict';

exports.__esModule = true;
exports.default = undefined;

var _class, _class2, _temp;

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _throttle = require('lodash/throttle');

var _throttle2 = _interopRequireDefault(_throttle);

var _axios = require('axios');

var _encodeFormData = require('../../utils/encodeFormData');

var _encodeFormData2 = _interopRequireDefault(_encodeFormData);

var _windowVisible = require('../../decorators/windowVisible');

var _windowVisible2 = _interopRequireDefault(_windowVisible);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

// try and grab cspNonce from script in current document
var cspNonce = document.scripts && document.scripts[0].nonce;

var PreviewFrame = (0, _windowVisible2.default)(_class = (_temp = _class2 = function (_Component) {
	_inherits(PreviewFrame, _Component);

	function PreviewFrame() {
		_classCallCheck(this, PreviewFrame);

		var _this = _possibleConstructorReturn(this, _Component.call(this));

		_this.updatePreview = (0, _throttle2.default)(_this.updatePreview, 1000);
		_this.state = {
			dirty: true
		};
		return _this;
	}

	PreviewFrame.prototype.componentWillUnmount = function componentWillUnmount() {
		this.updatePreview.cancel();
	};

	PreviewFrame.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
		var dataChanged = nextProps.data !== this.props.data || nextProps.url !== this.props.url || nextProps.date !== this.props.date;
		if (dataChanged && !this.state.dirty) {
			this.setState({ dirty: true });
		}
	};

	PreviewFrame.prototype.componentDidUpdate = function componentDidUpdate() {
		if (this.props.windowVisible && this.state.dirty && this.props.enabled && (this.props.url || this.props.data)) {
			this.updatePreview();
		}
	};

	PreviewFrame.prototype.updatePreview = function updatePreview() {
		var _this2 = this;

		this.setState({ dirty: false });
		this.saveScrollPosition();
		if (typeof this.props.data == 'string') {
			this.updateIframe(this.props.data);
		} else {
			this.requestHtml().then(function (res) {
				return _this2.updateIframe(res.data);
			});
		}
	};

	PreviewFrame.prototype.saveScrollPosition = function saveScrollPosition() {
		if (this.refs.frame.contentDocument) {
			this.scrollTop = this.refs.frame.contentDocument.defaultView.scrollY;
			this.scrollLeft = this.refs.frame.contentDocument.defaultView.scrollX;
		} else {
			console.warn("Couldn't save scroll position", this.refs.frame);
		}
	};

	PreviewFrame.prototype.requestHtml = function requestHtml() {
		var data = {
			data: JSON.stringify(this.props.data),
			preview: 1,
			date: this.props.date,
			cspNonce: cspNonce
		};
		return (0, _axios.post)(this.props.url, data, {
			headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
			responseType: 'text',
			transformRequest: [_encodeFormData2.default]
		});
	};

	PreviewFrame.prototype.updateIframe = function updateIframe(html) {
		html += '<script>window.scrollTo(' + this.scrollLeft + ', ' + this.scrollTop + ');</script>';

		this.refs.frame.contentDocument.open();
		this.refs.frame.contentDocument.write(html);
		this.refs.frame.contentDocument.close();

		var title = html.match(/<title>(.+?)<\/title>/);
		if (title) {
			this.props.onTitleChange(title[1]);
		}
	};

	PreviewFrame.prototype.render = function render() {
		return _react2.default.createElement(
			'div',
			{ className: 'preview-frame' },
			_react2.default.createElement(
				'div',
				{
					className: 'preview-frame-inner',
					style: { maxWidth: this.props.deviceWidth, flexBasis: this.props.deviceWidth } },
				_react2.default.createElement('iframe', { className: 'preview-frame-iframe', ref: 'frame' })
			)
		);
	};

	return PreviewFrame;
}(_react.Component), _class2.propTypes = {
	data: _propTypes2.default.oneOfType([_propTypes2.default.object, _propTypes2.default.string]),
	enabled: _propTypes2.default.bool,
	url: _propTypes2.default.string,
	date: _propTypes2.default.string
}, _temp)) || _class;

exports.default = PreviewFrame;