"use strict"; var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard"); var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); Object.defineProperty(exports, "__esModule", { value: true }); exports["default"] = TextLayer; exports.TextLayerInternal = void 0; var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends")); var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator")); var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator")); var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck")); var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass")); var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized")); var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits")); var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn")); var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf")); var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty")); var _react = _interopRequireWildcard(require("react")); var _propTypes = _interopRequireDefault(require("prop-types")); var _makeCancellablePromise = _interopRequireDefault(require("make-cancellable-promise")); var _PageContext = _interopRequireDefault(require("../PageContext")); var _TextLayerItem = _interopRequireDefault(require("./TextLayerItem")); var _utils = require("../shared/utils"); var _propTypes2 = require("../shared/propTypes"); function _createSuper(Derived) { return function () { var Super = (0, _getPrototypeOf2["default"])(Derived), result; if (_isNativeReflectConstruct()) { var NewTarget = (0, _getPrototypeOf2["default"])(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return (0, _possibleConstructorReturn2["default"])(this, result); }; } function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } var TextLayerInternal = /*#__PURE__*/function (_PureComponent) { (0, _inherits2["default"])(TextLayerInternal, _PureComponent); var _super = _createSuper(TextLayerInternal); function TextLayerInternal() { var _this; (0, _classCallCheck2["default"])(this, TextLayerInternal); for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { args[_key] = arguments[_key]; } _this = _super.call.apply(_super, [this].concat(args)); (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "state", { textItems: null }); (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "loadTextItems", /*#__PURE__*/(0, _asyncToGenerator2["default"])( /*#__PURE__*/_regenerator["default"].mark(function _callee() { var page, cancellable, _yield$cancellable$pr, textItems; return _regenerator["default"].wrap(function _callee$(_context) { while (1) { switch (_context.prev = _context.next) { case 0: page = _this.props.page; _context.prev = 1; cancellable = (0, _makeCancellablePromise["default"])(page.getTextContent()); _this.runningTask = cancellable; _context.next = 6; return cancellable.promise; case 6: _yield$cancellable$pr = _context.sent; textItems = _yield$cancellable$pr.items; _this.setState({ textItems: textItems }, _this.onLoadSuccess); _context.next = 14; break; case 11: _context.prev = 11; _context.t0 = _context["catch"](1); _this.onLoadError(_context.t0); case 14: case "end": return _context.stop(); } } }, _callee, null, [[1, 11]]); }))); (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "onLoadSuccess", function () { var onGetTextSuccess = _this.props.onGetTextSuccess; var textItems = _this.state.textItems; if (onGetTextSuccess) onGetTextSuccess(textItems); }); (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "onLoadError", function (error) { _this.setState({ textItems: false }); (0, _utils.errorOnDev)(error); var onGetTextError = _this.props.onGetTextError; if (onGetTextError) onGetTextError(error); }); return _this; } (0, _createClass2["default"])(TextLayerInternal, [{ key: "componentDidMount", value: function componentDidMount() { var page = this.props.page; if (!page) { throw new Error('Attempted to load page text content, but no page was specified.'); } this.loadTextItems(); } }, { key: "componentDidUpdate", value: function componentDidUpdate(prevProps) { var page = this.props.page; if (prevProps.page && page !== prevProps.page) { this.loadTextItems(); } } }, { key: "componentWillUnmount", value: function componentWillUnmount() { (0, _utils.cancelRunningTask)(this.runningTask); } }, { key: "renderTextItems", value: function renderTextItems() { var textItems = this.state.textItems; if (!textItems) { return null; } return textItems.map(function (textItem, itemIndex) { return /*#__PURE__*/_react["default"].createElement(_TextLayerItem["default"] // eslint-disable-next-line react/no-array-index-key , (0, _extends2["default"])({ key: itemIndex, itemIndex: itemIndex }, textItem)); }); } }, { key: "render", value: function render() { var viewport = this.unrotatedViewport, rotate = this.rotate; return /*#__PURE__*/_react["default"].createElement("div", { className: "react-pdf__Page__textContent", style: { position: 'absolute', top: '50%', left: '50%', width: "".concat(viewport.width, "px"), height: "".concat(viewport.height, "px"), color: 'transparent', transform: "translate(-50%, -50%) rotate(".concat(rotate, "deg)"), WebkitTransform: "translate(-50%, -50%) rotate(".concat(rotate, "deg)"), pointerEvents: 'none' } }, this.renderTextItems()); } }, { key: "unrotatedViewport", get: function get() { var _this$props = this.props, page = _this$props.page, scale = _this$props.scale; return page.getViewport({ scale: scale }); } /** * It might happen that the page is rotated by default. In such cases, we shouldn't rotate * text content. */ }, { key: "rotate", get: function get() { var _this$props2 = this.props, page = _this$props2.page, rotate = _this$props2.rotate; return rotate - page.rotate; } }]); return TextLayerInternal; }(_react.PureComponent); exports.TextLayerInternal = TextLayerInternal; TextLayerInternal.propTypes = { onGetTextError: _propTypes["default"].func, onGetTextSuccess: _propTypes["default"].func, page: _propTypes2.isPage.isRequired, rotate: _propTypes2.isRotate, scale: _propTypes["default"].number }; function TextLayer(props) { return /*#__PURE__*/_react["default"].createElement(_PageContext["default"].Consumer, null, function (context) { return /*#__PURE__*/_react["default"].createElement(TextLayerInternal, (0, _extends2["default"])({}, context, props)); }); }