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Merge pull request #11246 from Snuffleupagus/issue-11245

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Tweak the `isIOS` check, in `web/viewer_compatibility`, to attempt to support newer Safari versions (issue 11245)
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Tim van der Meij 2019-10-16 00:34:31 +02:00 • committed by GitHub
commit ecdf1375b8
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web/viewer_compatibility.js
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@ -17,8 +17,14 @@ let compatibilityParams = Object.create(null);
if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC')) {
const userAgent =
(typeof navigator !== 'undefined' && navigator.userAgent) || '';
const platform =
(typeof navigator !== 'undefined' && navigator.platform) || '';
const maxTouchPoints =
(typeof navigator !== 'undefined' && navigator.maxTouchPoints) || 1;
const isAndroid = /Android/.test(userAgent);
const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) ||
(platform === 'MacIntel' && maxTouchPoints > 1);
// Limit canvas size to 5 mega-pixels on mobile.
// Support: Android, iOS