Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove PDFJS.disableRange/PDFJS.disableStream code for now unsupported browsers in src/shared/compatibility.js

Browse Source 
We're currently disabling range requests and streaming for a number of configurations. A couple of those will no longer be supported (with PDF.js version 2.0), hence we ought to be able to clean up the compatibility code slightly.
This commit is contained in:
Jonas Jenwald 2017-11-12 17:43:07 +01:00
parent eb3a1f24a3
commit 745cb73c65
1 changed files with 2 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/shared/compatibility.js
View File

@ -25,10 +25,8 @@ var globalScope = require('./global_scope');
var userAgent = (typeof navigator !== 'undefined' && navigator.userAgent) || ''; var userAgent = (typeof navigator !== 'undefined' && navigator.userAgent) || '';
var isAndroid = /Android/.test(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 isAndroidPre5 = /Android\s[0-4][^\d]/.test(userAgent);
var isChrome = userAgent.indexOf('Chrom') >= 0; var isChrome = userAgent.indexOf('Chrom') >= 0;
var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(userAgent);
var isIOSChrome = userAgent.indexOf('CriOS') >= 0; var isIOSChrome = userAgent.indexOf('CriOS') >= 0;
var isIE = userAgent.indexOf('Trident') >= 0; var isIE = userAgent.indexOf('Trident') >= 0;
var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent); var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
@ -470,19 +468,12 @@ PDFJS.compatibilityChecked = true;
PDFJS.locale = navigator.userLanguage || 'en-US'; PDFJS.locale = navigator.userLanguage || 'en-US';
})(); })();
// Support: Safari 6.0+, Android<3.0, Chrome 39/40, iOS // Support: Safari 6.0+, iOS
(function checkRangeRequests() { (function checkRangeRequests() {
// Safari has issues with cached range requests see: // Safari has issues with cached range requests see:
// https://github.com/mozilla/pdf.js/issues/3260 // https://github.com/mozilla/pdf.js/issues/3260
// Last tested with version 6.0.4. // Last tested with version 6.0.4.
if (isSafari || isIOS) {
// 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) {
PDFJS.disableRange = true; PDFJS.disableRange = true;
PDFJS.disableStream = true; PDFJS.disableStream = true;
} }