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@@ -17,510 +17,71 @@
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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-exports.PDFViewer = exports.PresentationModeState = undefined;
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+exports.PDFViewer = undefined;
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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-var _pdf = require('../pdf');
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-
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var _ui_utils = require('./ui_utils');
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-var _pdf_rendering_queue = require('./pdf_rendering_queue');
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-
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-var _annotation_layer_builder = require('./annotation_layer_builder');
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-
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-var _dom_events = require('./dom_events');
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+var _base_viewer = require('./base_viewer');
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-var _pdf_page_view = require('./pdf_page_view');
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+var _pdf = require('../pdf');
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-var _pdf_link_service = require('./pdf_link_service');
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+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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-var _text_layer_builder = require('./text_layer_builder');
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+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; }
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-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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+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; }
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-var PresentationModeState = {
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- UNKNOWN: 0,
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- NORMAL: 1,
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- CHANGING: 2,
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- FULLSCREEN: 3
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-};
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-var DEFAULT_CACHE_SIZE = 10;
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-function PDFPageViewBuffer(size) {
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- var data = [];
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- this.push = function cachePush(view) {
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- var i = data.indexOf(view);
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- if (i >= 0) {
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- data.splice(i, 1);
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- }
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- data.push(view);
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- if (data.length > size) {
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- data.shift().destroy();
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- }
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- };
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- this.resize = function (newSize) {
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- size = newSize;
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- while (data.length > size) {
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- data.shift().destroy();
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- }
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- };
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-}
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-function isSameScale(oldScale, newScale) {
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- if (newScale === oldScale) {
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- return true;
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- }
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- if (Math.abs(newScale - oldScale) < 1e-15) {
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- return true;
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- }
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- return false;
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-}
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-function isPortraitOrientation(size) {
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- return size.width <= size.height;
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-}
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+var PDFViewer = function (_BaseViewer) {
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+ _inherits(PDFViewer, _BaseViewer);
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-var PDFViewer = function () {
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- function PDFViewer(options) {
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+ function PDFViewer() {
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_classCallCheck(this, PDFViewer);
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- this.container = options.container;
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- this.viewer = options.viewer || options.container.firstElementChild;
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- this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)();
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- this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
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- this.downloadManager = options.downloadManager || null;
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- this.removePageBorders = options.removePageBorders || false;
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- this.enhanceTextSelection = options.enhanceTextSelection || false;
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- this.renderInteractiveForms = options.renderInteractiveForms || false;
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- this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
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- this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
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- this.l10n = options.l10n || _ui_utils.NullL10n;
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- this.defaultRenderingQueue = !options.renderingQueue;
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- if (this.defaultRenderingQueue) {
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- this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
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- this.renderingQueue.setViewer(this);
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- } else {
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- this.renderingQueue = options.renderingQueue;
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- }
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- this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
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- this.presentationModeState = PresentationModeState.UNKNOWN;
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- this._resetView();
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- if (this.removePageBorders) {
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- this.viewer.classList.add('removePageBorders');
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- }
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+ return _possibleConstructorReturn(this, (PDFViewer.__proto__ || Object.getPrototypeOf(PDFViewer)).apply(this, arguments));
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}
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_createClass(PDFViewer, [{
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- key: 'getPageView',
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- value: function getPageView(index) {
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- return this._pages[index];
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- }
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- }, {
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- key: '_setCurrentPageNumber',
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- value: function _setCurrentPageNumber(val) {
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- var resetCurrentPageView = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
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-
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- if (this._currentPageNumber === val) {
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- if (resetCurrentPageView) {
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- this._resetCurrentPageView();
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- }
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- return;
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- }
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- if (!(0 < val && val <= this.pagesCount)) {
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- console.error('PDFViewer._setCurrentPageNumber: "' + val + '" is out of bounds.');
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- return;
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- }
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- var arg = {
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- source: this,
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- pageNumber: val,
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- pageLabel: this._pageLabels && this._pageLabels[val - 1]
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- };
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- this._currentPageNumber = val;
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- this.eventBus.dispatch('pagechanging', arg);
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- this.eventBus.dispatch('pagechange', arg);
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- if (resetCurrentPageView) {
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- this._resetCurrentPageView();
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- }
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- }
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- }, {
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- key: 'setDocument',
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- value: function setDocument(pdfDocument) {
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- var _this = this;
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-
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- if (this.pdfDocument) {
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- this._cancelRendering();
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- this._resetView();
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- }
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- this.pdfDocument = pdfDocument;
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- if (!pdfDocument) {
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- return;
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- }
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- var pagesCount = pdfDocument.numPages;
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- var pagesCapability = (0, _pdf.createPromiseCapability)();
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- this.pagesPromise = pagesCapability.promise;
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- pagesCapability.promise.then(function () {
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- _this._pageViewsReady = true;
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- _this.eventBus.dispatch('pagesloaded', {
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- source: _this,
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- pagesCount: pagesCount
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- });
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- });
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- var isOnePageRenderedResolved = false;
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- var onePageRenderedCapability = (0, _pdf.createPromiseCapability)();
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- this.onePageRendered = onePageRenderedCapability.promise;
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- var bindOnAfterAndBeforeDraw = function bindOnAfterAndBeforeDraw(pageView) {
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- pageView.onBeforeDraw = function () {
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- _this._buffer.push(pageView);
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- };
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- pageView.onAfterDraw = function () {
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- if (!isOnePageRenderedResolved) {
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- isOnePageRenderedResolved = true;
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- onePageRenderedCapability.resolve();
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- }
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- };
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- };
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- var firstPagePromise = pdfDocument.getPage(1);
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- this.firstPagePromise = firstPagePromise;
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- firstPagePromise.then(function (pdfPage) {
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- var scale = _this.currentScale;
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- var viewport = pdfPage.getViewport(scale * _ui_utils.CSS_UNITS);
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- for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
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- var textLayerFactory = null;
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- if (!_pdf.PDFJS.disableTextLayer) {
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- textLayerFactory = _this;
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- }
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- var pageView = new _pdf_page_view.PDFPageView({
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- container: _this.viewer,
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- eventBus: _this.eventBus,
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- id: pageNum,
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- scale: scale,
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- defaultViewport: viewport.clone(),
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- renderingQueue: _this.renderingQueue,
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- textLayerFactory: textLayerFactory,
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- annotationLayerFactory: _this,
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- enhanceTextSelection: _this.enhanceTextSelection,
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- renderInteractiveForms: _this.renderInteractiveForms,
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- renderer: _this.renderer,
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- l10n: _this.l10n
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- });
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- bindOnAfterAndBeforeDraw(pageView);
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- _this._pages.push(pageView);
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- }
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- onePageRenderedCapability.promise.then(function () {
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- if (_pdf.PDFJS.disableAutoFetch) {
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- pagesCapability.resolve();
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- return;
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- }
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- var getPagesLeft = pagesCount;
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-
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- var _loop = function _loop(_pageNum) {
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- pdfDocument.getPage(_pageNum).then(function (pdfPage) {
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- var pageView = _this._pages[_pageNum - 1];
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- if (!pageView.pdfPage) {
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- pageView.setPdfPage(pdfPage);
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- }
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- _this.linkService.cachePageRef(_pageNum, pdfPage.ref);
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- if (--getPagesLeft === 0) {
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- pagesCapability.resolve();
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- }
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- }, function (reason) {
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- console.error('Unable to get page ' + _pageNum + ' to initialize viewer', reason);
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- if (--getPagesLeft === 0) {
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- pagesCapability.resolve();
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- }
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- });
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- };
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-
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- for (var _pageNum = 1; _pageNum <= pagesCount; ++_pageNum) {
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- _loop(_pageNum);
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- }
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- });
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- _this.eventBus.dispatch('pagesinit', { source: _this });
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- if (_this.defaultRenderingQueue) {
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- _this.update();
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- }
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- if (_this.findController) {
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- _this.findController.resolveFirstPage();
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- }
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- }).catch(function (reason) {
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- console.error('Unable to initialize viewer', reason);
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- });
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- }
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- }, {
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- key: 'setPageLabels',
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- value: function setPageLabels(labels) {
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- if (!this.pdfDocument) {
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- return;
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- }
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- if (!labels) {
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- this._pageLabels = null;
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- } else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) {
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- this._pageLabels = null;
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- console.error('PDFViewer.setPageLabels: Invalid page labels.');
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- } else {
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- this._pageLabels = labels;
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- }
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- for (var i = 0, ii = this._pages.length; i < ii; i++) {
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- var pageView = this._pages[i];
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- var label = this._pageLabels && this._pageLabels[i];
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- pageView.setPageLabel(label);
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- }
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- }
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- }, {
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- key: '_resetView',
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- value: function _resetView() {
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- this._pages = [];
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- this._currentPageNumber = 1;
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- this._currentScale = _ui_utils.UNKNOWN_SCALE;
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- this._currentScaleValue = null;
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- this._pageLabels = null;
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- this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
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- this._location = null;
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- this._pagesRotation = 0;
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- this._pagesRequests = [];
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- this._pageViewsReady = false;
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- this.viewer.textContent = '';
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- }
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- }, {
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- key: '_scrollUpdate',
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- value: function _scrollUpdate() {
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- if (this.pagesCount === 0) {
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- return;
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- }
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- this.update();
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- }
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- }, {
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- key: '_setScaleDispatchEvent',
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- value: function _setScaleDispatchEvent(newScale, newValue) {
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- var preset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
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-
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- var arg = {
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- source: this,
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- scale: newScale,
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- presetValue: preset ? newValue : undefined
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- };
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- this.eventBus.dispatch('scalechanging', arg);
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- this.eventBus.dispatch('scalechange', arg);
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- }
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- }, {
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- key: '_setScaleUpdatePages',
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- value: function _setScaleUpdatePages(newScale, newValue) {
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- var noScroll = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
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- var preset = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
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+ key: '_scrollIntoView',
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+ value: function _scrollIntoView(_ref) {
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+ var pageDiv = _ref.pageDiv,
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+ _ref$pageSpot = _ref.pageSpot,
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+ pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot;
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- this._currentScaleValue = newValue.toString();
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- if (isSameScale(this._currentScale, newScale)) {
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- if (preset) {
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- this._setScaleDispatchEvent(newScale, newValue, true);
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- }
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- return;
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- }
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- for (var i = 0, ii = this._pages.length; i < ii; i++) {
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- this._pages[i].update(newScale);
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- }
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- this._currentScale = newScale;
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- if (!noScroll) {
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- var page = this._currentPageNumber,
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- dest = void 0;
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- if (this._location && !_pdf.PDFJS.ignoreCurrentPositionOnZoom && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
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- page = this._location.pageNumber;
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- dest = [null, { name: 'XYZ' }, this._location.left, this._location.top, null];
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- }
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- this.scrollPageIntoView({
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- pageNumber: page,
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- destArray: dest,
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- allowNegativeOffset: true
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- });
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- }
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- this._setScaleDispatchEvent(newScale, newValue, preset);
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- if (this.defaultRenderingQueue) {
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- this.update();
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- }
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+ (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
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}
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}, {
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- key: '_setScale',
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- value: function _setScale(value) {
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- var noScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
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-
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- var scale = parseFloat(value);
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- if (scale > 0) {
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- this._setScaleUpdatePages(scale, value, noScroll, false);
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- } else {
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- var currentPage = this._pages[this._currentPageNumber - 1];
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- if (!currentPage) {
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- return;
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- }
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- var hPadding = this.isInPresentationMode || this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
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- var vPadding = this.isInPresentationMode || this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
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- var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
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- var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
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- switch (value) {
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- case 'page-actual':
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- scale = 1;
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- break;
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- case 'page-width':
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- scale = pageWidthScale;
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- break;
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- case 'page-height':
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- scale = pageHeightScale;
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- break;
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- case 'page-fit':
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- scale = Math.min(pageWidthScale, pageHeightScale);
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- break;
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- case 'auto':
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- var isLandscape = currentPage.width > currentPage.height;
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- var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : pageWidthScale;
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- scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
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- break;
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- default:
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- console.error('PDFViewer._setScale: "' + value + '" is an unknown zoom value.');
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- return;
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- }
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- this._setScaleUpdatePages(scale, value, noScroll, true);
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- }
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- }
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- }, {
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- key: '_resetCurrentPageView',
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- value: function _resetCurrentPageView() {
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- if (this.isInPresentationMode) {
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- this._setScale(this._currentScaleValue, true);
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- }
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- var pageView = this._pages[this._currentPageNumber - 1];
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- (0, _ui_utils.scrollIntoView)(pageView.div);
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- }
|
|
|
- }, {
|
|
|
- key: 'scrollPageIntoView',
|
|
|
- value: function scrollPageIntoView(params) {
|
|
|
- if (arguments.length > 1 || typeof params === 'number') {
|
|
|
- console.error('Call of scrollPageIntoView() with obsolete signature.');
|
|
|
- return;
|
|
|
- }
|
|
|
- if (!this.pdfDocument) {
|
|
|
- return;
|
|
|
- }
|
|
|
- var pageNumber = params.pageNumber || 0;
|
|
|
- var dest = params.destArray || null;
|
|
|
- var allowNegativeOffset = params.allowNegativeOffset || false;
|
|
|
- if (this.isInPresentationMode || !dest) {
|
|
|
- this._setCurrentPageNumber(pageNumber, true);
|
|
|
- return;
|
|
|
- }
|
|
|
- var pageView = this._pages[pageNumber - 1];
|
|
|
- if (!pageView) {
|
|
|
- console.error('PDFViewer.scrollPageIntoView: Invalid "pageNumber" parameter.');
|
|
|
- return;
|
|
|
- }
|
|
|
- var x = 0,
|
|
|
- y = 0;
|
|
|
- var width = 0,
|
|
|
- height = 0,
|
|
|
- widthScale = void 0,
|
|
|
- heightScale = void 0;
|
|
|
- var changeOrientation = pageView.rotation % 180 === 0 ? false : true;
|
|
|
- var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
|
|
|
- var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
|
|
|
- var scale = 0;
|
|
|
- switch (dest[1].name) {
|
|
|
- case 'XYZ':
|
|
|
- x = dest[2];
|
|
|
- y = dest[3];
|
|
|
- scale = dest[4];
|
|
|
- x = x !== null ? x : 0;
|
|
|
- y = y !== null ? y : pageHeight;
|
|
|
- break;
|
|
|
- case 'Fit':
|
|
|
- case 'FitB':
|
|
|
- scale = 'page-fit';
|
|
|
- break;
|
|
|
- case 'FitH':
|
|
|
- case 'FitBH':
|
|
|
- y = dest[2];
|
|
|
- scale = 'page-width';
|
|
|
- if (y === null && this._location) {
|
|
|
- x = this._location.left;
|
|
|
- y = this._location.top;
|
|
|
- }
|
|
|
- break;
|
|
|
- case 'FitV':
|
|
|
- case 'FitBV':
|
|
|
- x = dest[2];
|
|
|
- width = pageWidth;
|
|
|
- height = pageHeight;
|
|
|
- scale = 'page-height';
|
|
|
- break;
|
|
|
- case 'FitR':
|
|
|
- x = dest[2];
|
|
|
- y = dest[3];
|
|
|
- width = dest[4] - x;
|
|
|
- height = dest[5] - y;
|
|
|
- var hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
|
|
|
- var vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
|
|
|
- widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
|
|
|
- heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
|
|
|
- scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
|
|
|
- break;
|
|
|
- default:
|
|
|
- console.error('PDFViewer.scrollPageIntoView: "' + dest[1].name + '" ' + 'is not a valid destination type.');
|
|
|
- return;
|
|
|
- }
|
|
|
- if (scale && scale !== this._currentScale) {
|
|
|
- this.currentScaleValue = scale;
|
|
|
- } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
|
|
|
- this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
|
|
|
- }
|
|
|
- if (scale === 'page-fit' && !dest[4]) {
|
|
|
- (0, _ui_utils.scrollIntoView)(pageView.div);
|
|
|
- return;
|
|
|
- }
|
|
|
- var boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
|
|
|
- var left = Math.min(boundingRect[0][0], boundingRect[1][0]);
|
|
|
- var top = Math.min(boundingRect[0][1], boundingRect[1][1]);
|
|
|
- if (!allowNegativeOffset) {
|
|
|
- left = Math.max(left, 0);
|
|
|
- top = Math.max(top, 0);
|
|
|
+ key: '_getVisiblePages',
|
|
|
+ value: function _getVisiblePages() {
|
|
|
+ if (!this.isInPresentationMode) {
|
|
|
+ return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true);
|
|
|
}
|
|
|
- (0, _ui_utils.scrollIntoView)(pageView.div, {
|
|
|
- left: left,
|
|
|
- top: top
|
|
|
- });
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: '_updateLocation',
|
|
|
- value: function _updateLocation(firstPage) {
|
|
|
- var currentScale = this._currentScale;
|
|
|
- var currentScaleValue = this._currentScaleValue;
|
|
|
- var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
|
|
|
- var pageNumber = firstPage.id;
|
|
|
- var pdfOpenParams = '#page=' + pageNumber;
|
|
|
- pdfOpenParams += '&zoom=' + normalizedScaleValue;
|
|
|
- var currentPageView = this._pages[pageNumber - 1];
|
|
|
- var container = this.container;
|
|
|
- var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
|
|
|
- var intLeft = Math.round(topLeft[0]);
|
|
|
- var intTop = Math.round(topLeft[1]);
|
|
|
- pdfOpenParams += ',' + intLeft + ',' + intTop;
|
|
|
- this._location = {
|
|
|
- pageNumber: pageNumber,
|
|
|
- scale: normalizedScaleValue,
|
|
|
- top: intTop,
|
|
|
- left: intLeft,
|
|
|
- rotation: this._pagesRotation,
|
|
|
- pdfOpenParams: pdfOpenParams
|
|
|
+ var currentPage = this._pages[this._currentPageNumber - 1];
|
|
|
+ var visible = [{
|
|
|
+ id: currentPage.id,
|
|
|
+ view: currentPage
|
|
|
+ }];
|
|
|
+ return {
|
|
|
+ first: currentPage,
|
|
|
+ last: currentPage,
|
|
|
+ views: visible
|
|
|
};
|
|
|
}
|
|
|
}, {
|
|
|
key: 'update',
|
|
|
value: function update() {
|
|
|
var visible = this._getVisiblePages();
|
|
|
- var visiblePages = visible.views;
|
|
|
- if (visiblePages.length === 0) {
|
|
|
+ var visiblePages = visible.views,
|
|
|
+ numVisiblePages = visiblePages.length;
|
|
|
+ if (numVisiblePages === 0) {
|
|
|
return;
|
|
|
}
|
|
|
- var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * visiblePages.length + 1);
|
|
|
- this._buffer.resize(suggestedCacheSize);
|
|
|
+ this._resizeBuffer(numVisiblePages);
|
|
|
this.renderingQueue.renderHighestPriority(visible);
|
|
|
var currentId = this._currentPageNumber;
|
|
|
- var firstPage = visible.first;
|
|
|
var stillFullyVisible = false;
|
|
|
- for (var i = 0, ii = visiblePages.length; i < ii; ++i) {
|
|
|
+ for (var i = 0; i < numVisiblePages; ++i) {
|
|
|
var page = visiblePages[i];
|
|
|
if (page.percent < 100) {
|
|
|
break;
|
|
@@ -536,293 +97,20 @@ var PDFViewer = function () {
|
|
|
if (!this.isInPresentationMode) {
|
|
|
this._setCurrentPageNumber(currentId);
|
|
|
}
|
|
|
- this._updateLocation(firstPage);
|
|
|
+ this._updateLocation(visible.first);
|
|
|
this.eventBus.dispatch('updateviewarea', {
|
|
|
source: this,
|
|
|
location: this._location
|
|
|
});
|
|
|
}
|
|
|
}, {
|
|
|
- key: 'containsElement',
|
|
|
- value: function containsElement(element) {
|
|
|
- return this.container.contains(element);
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'focus',
|
|
|
- value: function focus() {
|
|
|
- this.container.focus();
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: '_getVisiblePages',
|
|
|
- value: function _getVisiblePages() {
|
|
|
- if (!this.isInPresentationMode) {
|
|
|
- return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true);
|
|
|
- }
|
|
|
- var visible = [];
|
|
|
- var currentPage = this._pages[this._currentPageNumber - 1];
|
|
|
- visible.push({
|
|
|
- id: currentPage.id,
|
|
|
- view: currentPage
|
|
|
- });
|
|
|
- return {
|
|
|
- first: currentPage,
|
|
|
- last: currentPage,
|
|
|
- views: visible
|
|
|
- };
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'cleanup',
|
|
|
- value: function cleanup() {
|
|
|
- for (var i = 0, ii = this._pages.length; i < ii; i++) {
|
|
|
- if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
|
|
|
- this._pages[i].reset();
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: '_cancelRendering',
|
|
|
- value: function _cancelRendering() {
|
|
|
- for (var i = 0, ii = this._pages.length; i < ii; i++) {
|
|
|
- if (this._pages[i]) {
|
|
|
- this._pages[i].cancelRendering();
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: '_ensurePdfPageLoaded',
|
|
|
- value: function _ensurePdfPageLoaded(pageView) {
|
|
|
- var _this2 = this;
|
|
|
-
|
|
|
- if (pageView.pdfPage) {
|
|
|
- return Promise.resolve(pageView.pdfPage);
|
|
|
- }
|
|
|
- var pageNumber = pageView.id;
|
|
|
- if (this._pagesRequests[pageNumber]) {
|
|
|
- return this._pagesRequests[pageNumber];
|
|
|
- }
|
|
|
- var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
|
|
|
- if (!pageView.pdfPage) {
|
|
|
- pageView.setPdfPage(pdfPage);
|
|
|
- }
|
|
|
- _this2._pagesRequests[pageNumber] = null;
|
|
|
- return pdfPage;
|
|
|
- }).catch(function (reason) {
|
|
|
- console.error('Unable to get page for page view', reason);
|
|
|
- _this2._pagesRequests[pageNumber] = null;
|
|
|
- });
|
|
|
- this._pagesRequests[pageNumber] = promise;
|
|
|
- return promise;
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'forceRendering',
|
|
|
- value: function forceRendering(currentlyVisiblePages) {
|
|
|
- var _this3 = this;
|
|
|
-
|
|
|
- var visiblePages = currentlyVisiblePages || this._getVisiblePages();
|
|
|
- var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, this.scroll.down);
|
|
|
- if (pageView) {
|
|
|
- this._ensurePdfPageLoaded(pageView).then(function () {
|
|
|
- _this3.renderingQueue.renderView(pageView);
|
|
|
- });
|
|
|
- return true;
|
|
|
- }
|
|
|
- return false;
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'getPageTextContent',
|
|
|
- value: function getPageTextContent(pageIndex) {
|
|
|
- return this.pdfDocument.getPage(pageIndex + 1).then(function (page) {
|
|
|
- return page.getTextContent({ normalizeWhitespace: true });
|
|
|
- });
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'createTextLayerBuilder',
|
|
|
- value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
|
|
|
- var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
|
|
|
-
|
|
|
- return new _text_layer_builder.TextLayerBuilder({
|
|
|
- textLayerDiv: textLayerDiv,
|
|
|
- eventBus: this.eventBus,
|
|
|
- pageIndex: pageIndex,
|
|
|
- viewport: viewport,
|
|
|
- findController: this.isInPresentationMode ? null : this.findController,
|
|
|
- enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
|
|
|
- });
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'createAnnotationLayerBuilder',
|
|
|
- value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
|
|
|
- var renderInteractiveForms = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
|
|
|
- var l10n = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : _ui_utils.NullL10n;
|
|
|
-
|
|
|
- return new _annotation_layer_builder.AnnotationLayerBuilder({
|
|
|
- pageDiv: pageDiv,
|
|
|
- pdfPage: pdfPage,
|
|
|
- renderInteractiveForms: renderInteractiveForms,
|
|
|
- linkService: this.linkService,
|
|
|
- downloadManager: this.downloadManager,
|
|
|
- l10n: l10n
|
|
|
- });
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'setFindController',
|
|
|
- value: function setFindController(findController) {
|
|
|
- this.findController = findController;
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'getPagesOverview',
|
|
|
- value: function getPagesOverview() {
|
|
|
- var pagesOverview = this._pages.map(function (pageView) {
|
|
|
- var viewport = pageView.pdfPage.getViewport(1);
|
|
|
- return {
|
|
|
- width: viewport.width,
|
|
|
- height: viewport.height,
|
|
|
- rotation: viewport.rotation
|
|
|
- };
|
|
|
- });
|
|
|
- if (!this.enablePrintAutoRotate) {
|
|
|
- return pagesOverview;
|
|
|
- }
|
|
|
- var isFirstPagePortrait = isPortraitOrientation(pagesOverview[0]);
|
|
|
- return pagesOverview.map(function (size) {
|
|
|
- if (isFirstPagePortrait === isPortraitOrientation(size)) {
|
|
|
- return size;
|
|
|
- }
|
|
|
- return {
|
|
|
- width: size.height,
|
|
|
- height: size.width,
|
|
|
- rotation: (size.rotation + 90) % 360
|
|
|
- };
|
|
|
- });
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'pagesCount',
|
|
|
- get: function get() {
|
|
|
- return this._pages.length;
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'pageViewsReady',
|
|
|
- get: function get() {
|
|
|
- return this._pageViewsReady;
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'currentPageNumber',
|
|
|
+ key: '_setDocumentViewerElement',
|
|
|
get: function get() {
|
|
|
- return this._currentPageNumber;
|
|
|
- },
|
|
|
- set: function set(val) {
|
|
|
- if (!Number.isInteger(val)) {
|
|
|
- throw new Error('Invalid page number.');
|
|
|
- }
|
|
|
- if (!this.pdfDocument) {
|
|
|
- return;
|
|
|
- }
|
|
|
- this._setCurrentPageNumber(val, true);
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'currentPageLabel',
|
|
|
- get: function get() {
|
|
|
- return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
|
|
|
- },
|
|
|
- set: function set(val) {
|
|
|
- var pageNumber = val | 0;
|
|
|
- if (this._pageLabels) {
|
|
|
- var i = this._pageLabels.indexOf(val);
|
|
|
- if (i >= 0) {
|
|
|
- pageNumber = i + 1;
|
|
|
- }
|
|
|
- }
|
|
|
- this.currentPageNumber = pageNumber;
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'currentScale',
|
|
|
- get: function get() {
|
|
|
- return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
|
|
|
- },
|
|
|
- set: function set(val) {
|
|
|
- if (isNaN(val)) {
|
|
|
- throw new Error('Invalid numeric scale');
|
|
|
- }
|
|
|
- if (!this.pdfDocument) {
|
|
|
- return;
|
|
|
- }
|
|
|
- this._setScale(val, false);
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'currentScaleValue',
|
|
|
- get: function get() {
|
|
|
- return this._currentScaleValue;
|
|
|
- },
|
|
|
- set: function set(val) {
|
|
|
- if (!this.pdfDocument) {
|
|
|
- return;
|
|
|
- }
|
|
|
- this._setScale(val, false);
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'pagesRotation',
|
|
|
- get: function get() {
|
|
|
- return this._pagesRotation;
|
|
|
- },
|
|
|
- set: function set(rotation) {
|
|
|
- if (!(0, _ui_utils.isValidRotation)(rotation)) {
|
|
|
- throw new Error('Invalid pages rotation angle.');
|
|
|
- }
|
|
|
- if (!this.pdfDocument) {
|
|
|
- return;
|
|
|
- }
|
|
|
- if (this._pagesRotation === rotation) {
|
|
|
- return;
|
|
|
- }
|
|
|
- this._pagesRotation = rotation;
|
|
|
- var pageNumber = this._currentPageNumber;
|
|
|
- for (var i = 0, ii = this._pages.length; i < ii; i++) {
|
|
|
- var pageView = this._pages[i];
|
|
|
- pageView.update(pageView.scale, rotation);
|
|
|
- }
|
|
|
- if (this._currentScaleValue) {
|
|
|
- this._setScale(this._currentScaleValue, true);
|
|
|
- }
|
|
|
- this.eventBus.dispatch('rotationchanging', {
|
|
|
- source: this,
|
|
|
- pagesRotation: rotation,
|
|
|
- pageNumber: pageNumber
|
|
|
- });
|
|
|
- if (this.defaultRenderingQueue) {
|
|
|
- this.update();
|
|
|
- }
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'isInPresentationMode',
|
|
|
- get: function get() {
|
|
|
- return this.presentationModeState === PresentationModeState.FULLSCREEN;
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'isChangingPresentationMode',
|
|
|
- get: function get() {
|
|
|
- return this.presentationModeState === PresentationModeState.CHANGING;
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'isHorizontalScrollbarEnabled',
|
|
|
- get: function get() {
|
|
|
- return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
|
|
|
- }
|
|
|
- }, {
|
|
|
- key: 'hasEqualPageSizes',
|
|
|
- get: function get() {
|
|
|
- var firstPageView = this._pages[0];
|
|
|
- for (var i = 1, ii = this._pages.length; i < ii; ++i) {
|
|
|
- var pageView = this._pages[i];
|
|
|
- if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
|
|
|
- return false;
|
|
|
- }
|
|
|
- }
|
|
|
- return true;
|
|
|
+ return (0, _pdf.shadow)(this, '_setDocumentViewerElement', this.viewer);
|
|
|
}
|
|
|
}]);
|
|
|
|
|
|
return PDFViewer;
|
|
|
-}();
|
|
|
+}(_base_viewer.BaseViewer);
|
|
|
|
|
|
-exports.PresentationModeState = PresentationModeState;
|
|
|
exports.PDFViewer = PDFViewer;
|