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Merge pull request #9125 from Snuffleupagus/rm-viewer-PDFJS-options

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Remove compatibility code for unsupported browsers for a couple of `PDFJS` options
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Jonas Jenwald 2017-11-15 10:04:44 +01:00 committed by GitHub
commit f9a0515452
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 3 additions and 36 deletions
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27
src/shared/compatibility.js
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@ -25,10 +25,8 @@ var globalScope = require('./global_scope');
var userAgent = (typeof navigator !== 'undefined' && navigator.userAgent) || '';
var isAndroid = /Android/.test(userAgent);
var isAndroidPre3 = /Android\s[0-2][^\d]/.test(userAgent);
var isAndroidPre5 = /Android\s[0-4][^\d]/.test(userAgent);
var isChrome = userAgent.indexOf('Chrom') >= 0;
var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(userAgent);
var isIOSChrome = userAgent.indexOf('CriOS') >= 0;
var isIE = userAgent.indexOf('Trident') >= 0;
var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
@ -470,38 +468,17 @@ PDFJS.compatibilityChecked = true;
PDFJS.locale = navigator.userLanguage || 'en-US';
})();
// Support: Safari 6.0+, Android<3.0, Chrome 39/40, iOS
// Support: Safari 6.0+, iOS
(function checkRangeRequests() {
// Safari has issues with cached range requests see:
// https://github.com/mozilla/pdf.js/issues/3260
// Last tested with version 6.0.4.
// Older versions of Android (pre 3.0) has issues with range requests, see:
// https://github.com/mozilla/pdf.js/issues/3381.
// Make sure that we only match webkit-based Android browsers,
// since Firefox/Fennec works as expected.
// Range requests are broken in Chrome 39 and 40, https://crbug.com/442318
if (isSafari || isAndroidPre3 || isChromeWithRangeBug || isIOS) {
if (isSafari || isIOS) {
PDFJS.disableRange = true;
PDFJS.disableStream = true;
}
})();
// Check if the browser supports manipulation of the history.
// Support: IE<10, Android<4.2
(function checkHistoryManipulation() {
if (!hasDOM) {
return;
}
// Android 2.x has so buggy pushState support that it was removed in
// Android 3.0 and restored as late as in Android 4.2.
// Support: Android 2.x
if (!history.pushState || isAndroidPre3) {
PDFJS.disableHistory = true;
}
})();
// Support: IE<11, Chrome<21, Android<4.4, Safari<6
(function checkSetPresenceInImageData() {
if (!hasDOM) {

4
web/app.js
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@ -1525,10 +1525,6 @@ function webViewerInitialized() {
if ('verbosity' in hashParams) {
PDFJS.verbosity = hashParams['verbosity'] | 0;
}
if ('ignorecurrentpositiononzoom' in hashParams) {
PDFJS.ignoreCurrentPositionOnZoom =
(hashParams['ignorecurrentpositiononzoom'] === 'true');
}
if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('PRODUCTION')) {
if ('disablebcmaps' in hashParams && hashParams['disablebcmaps']) {
PDFJS.cMapUrl = '../external/cmaps/';

2
web/base_viewer.js
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@ -505,7 +505,7 @@ class BaseViewer {
if (!noScroll) {
let page = this._currentPageNumber, dest;
if (this._location && !PDFJS.ignoreCurrentPositionOnZoom &&
if (this._location &&
!(this.isInPresentationMode || this.isChangingPresentationMode)) {
page = this._location.pageNumber;
dest = [null, { name: 'XYZ', }, this._location.left,

6
web/ui_utils.js
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@ -102,12 +102,6 @@ PDFJS.disableHistory = (PDFJS.disableHistory === undefined ?
PDFJS.disableTextLayer = (PDFJS.disableTextLayer === undefined ?
false : PDFJS.disableTextLayer);
/**
* Disables maintaining the current position in the document when zooming.
*/
PDFJS.ignoreCurrentPositionOnZoom = (PDFJS.ignoreCurrentPositionOnZoom ===
undefined ? false : PDFJS.ignoreCurrentPositionOnZoom);
if (typeof PDFJSDev === 'undefined' ||
!PDFJSDev.test('FIREFOX || MOZCENTRAL')) {
/**