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102 lines
2.3 KiB
102 lines
2.3 KiB
/**
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* @licstart The following is the entire license notice for the
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* Javascript code in this page
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*
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* Copyright 2020 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @licend The above is the entire license notice for the
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* Javascript code in this page
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*/
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.PDFViewer = void 0;
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var _base_viewer = require("./base_viewer.js");
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var _pdf = require("../pdf");
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class PDFViewer extends _base_viewer.BaseViewer {
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get _viewerElement() {
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return (0, _pdf.shadow)(this, "_viewerElement", this.viewer);
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}
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_scrollIntoView({
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pageDiv,
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pageSpot = null,
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pageNumber = null
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}) {
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if (!pageSpot && !this.isInPresentationMode) {
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const left = pageDiv.offsetLeft + pageDiv.clientLeft;
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const right = left + pageDiv.clientWidth;
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const {
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scrollLeft,
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clientWidth
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} = this.container;
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if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {
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pageSpot = {
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left: 0,
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top: 0
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};
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}
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}
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super._scrollIntoView({
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pageDiv,
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pageSpot,
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pageNumber
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});
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}
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_getVisiblePages() {
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if (this.isInPresentationMode) {
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return this._getCurrentVisiblePage();
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}
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return super._getVisiblePages();
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}
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_updateHelper(visiblePages) {
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if (this.isInPresentationMode) {
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return;
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}
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let currentId = this._currentPageNumber;
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let stillFullyVisible = false;
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for (const page of visiblePages) {
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if (page.percent < 100) {
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break;
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}
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if (page.id === currentId) {
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stillFullyVisible = true;
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break;
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}
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}
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if (!stillFullyVisible) {
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currentId = visiblePages[0].id;
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}
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this._setCurrentPageNumber(currentId);
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}
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}
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exports.PDFViewer = PDFViewer;
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