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Implement a PDFSinglePageViewer class (issue 8188)

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The new `PDFSinglePageViewer` class extends the previously created abstract `BaseViewer` class.

There's *a lot* of existing functionality in `PDFViewer` that depends on all the pages being loaded and synchronously available, once the `setDocument` method has been called.
Given that initializing `PDFPageView` instances requires passing a DOM element to which the page is attached, the simplest solution I could come up with is to append all pages to a (hidden) document fragment and just swap them (one at a time) into the viewer when page switching occurs.
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Jonas Jenwald 2017-08-01 14:13:49 +02:00
parent 5fa9cca8dd
commit 23daafd728
2 changed files with 151 additions and 0 deletions
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web/pdf_viewer.component.js
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@ -17,6 +17,7 @@
var pdfjsLib = require('./pdfjs.js');
var pdfjsWebPDFViewer = require('./pdf_viewer.js');
var pdfjsWebPDFSinglePageViewer = require('./pdf_single_page_viewer');
var pdfjsWebPDFPageView = require('./pdf_page_view.js');
var pdfjsWebPDFLinkService = require('./pdf_link_service.js');
var pdfjsWebTextLayerBuilder = require('./text_layer_builder.js');
@ -30,6 +31,7 @@ var pdfjsWebGenericL10n = require('./genericl10n.js');
var PDFJS = pdfjsLib.PDFJS;
PDFJS.PDFViewer = pdfjsWebPDFViewer.PDFViewer;
PDFJS.PDFSinglePageViewer = pdfjsWebPDFSinglePageViewer.PDFSinglePageViewer;
PDFJS.PDFPageView = pdfjsWebPDFPageView.PDFPageView;
PDFJS.PDFLinkService = pdfjsWebPDFLinkService.PDFLinkService;
PDFJS.SimpleLinkService = pdfjsWebPDFLinkService.SimpleLinkService;