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Move viewer specific compatibility options from src/shared/compatibility.js and into a separate file

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Unfortunately, as far as I can tell, we still need the ability to adjust certain viewer options depending on the browser environment in PDF.js version `2.0`. However, we should be able to separate this from the general compatibility code in the `src/shared/compatibility.js` file.
This commit is contained in:
Jonas Jenwald 2018-02-13 12:24:33 +01:00
parent ea3d8450d2
commit 9e0a31f662
4 changed files with 48 additions and 44 deletions
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35
src/shared/compatibility.js
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@ -26,12 +26,10 @@ if ((typeof PDFJSDev === 'undefined' ||
// users - https://github.com/mozilla/pdf.js/issues/9397
if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('CHROME')) {
var globalScope = require('./global_scope');
const globalScope = require('./global_scope');
const isNodeJS = require('./is_node');
var userAgent = (typeof navigator !== 'undefined' && navigator.userAgent) || '';
var isAndroid = /Android/.test(userAgent);
var isIOSChrome = userAgent.indexOf('CriOS') >= 0;
var isIE = userAgent.indexOf('Trident') >= 0;
var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
@ -80,18 +78,6 @@ PDFJS.compatibilityChecked = true;
}
})();
// Checks if navigator.language is supported
// Support: IE<11
(function checkNavigatorLanguage() {
if (typeof navigator === 'undefined') {
return;
}
if ('language' in navigator) {
return;
}
PDFJS.locale = navigator.userLanguage || 'en-US';
})();
// Support: Safari 6.0+, iOS
(function checkRangeRequests() {
// Safari has issues with cached range requests see:
@ -103,25 +89,6 @@ PDFJS.compatibilityChecked = true;
}
})();
// Support: Android, iOS
(function checkCanvasSizeLimitation() {
if (isIOS || isAndroid) {
// 5MP
PDFJS.maxCanvasPixels = 5242880;
}
})();
// Disable fullscreen support for certain problematic configurations.
// Support: IE11+ (when embedded).
(function checkFullscreenSupport() {
if (!hasDOM) {
return;
}
if (isIE && window.parent !== window) {
PDFJS.disableFullscreen = true;
}
})();
// Provides document.currentScript support
// Support: IE, Chrome<29.
(function checkCurrentScript() {