|
|
|
@ -17,6 +17,19 @@
@@ -17,6 +17,19 @@
|
|
|
|
|
(function compatibilityWrapper() { |
|
|
|
|
'use strict'; |
|
|
|
|
|
|
|
|
|
var userAgent = 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 isIE = userAgent.indexOf('Trident') >= 0; |
|
|
|
|
var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent); |
|
|
|
|
var isOpera = userAgent.indexOf('Opera') >= 0; |
|
|
|
|
var isSafari = /Safari\//.test(userAgent) && |
|
|
|
|
!/(Chrome\/|Android\s)/.test(userAgent); |
|
|
|
|
|
|
|
|
|
// Initializing PDFJS global object here, it case if we need to change/disable
|
|
|
|
|
// some PDF.js features, e.g. range requests
|
|
|
|
|
if (typeof PDFJS === 'undefined') { |
|
|
|
@ -29,12 +42,12 @@ if (typeof PDFJS === 'undefined') {
@@ -29,12 +42,12 @@ if (typeof PDFJS === 'undefined') {
|
|
|
|
|
if (typeof Uint8Array !== 'undefined') { |
|
|
|
|
// Support: iOS<6.0
|
|
|
|
|
if (typeof Uint8Array.prototype.subarray === 'undefined') { |
|
|
|
|
Uint8Array.prototype.subarray = function subarray(start, end) { |
|
|
|
|
return new Uint8Array(this.slice(start, end)); |
|
|
|
|
}; |
|
|
|
|
Float32Array.prototype.subarray = function subarray(start, end) { |
|
|
|
|
return new Float32Array(this.slice(start, end)); |
|
|
|
|
}; |
|
|
|
|
Uint8Array.prototype.subarray = function subarray(start, end) { |
|
|
|
|
return new Uint8Array(this.slice(start, end)); |
|
|
|
|
}; |
|
|
|
|
Float32Array.prototype.subarray = function subarray(start, end) { |
|
|
|
|
return new Float32Array(this.slice(start, end)); |
|
|
|
|
}; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Support: Android<4.1
|
|
|
|
@ -429,7 +442,7 @@ if (typeof PDFJS === 'undefined') {
@@ -429,7 +442,7 @@ if (typeof PDFJS === 'undefined') {
|
|
|
|
|
function isDisabled(node) { |
|
|
|
|
return node.disabled || (node.parentNode && isDisabled(node.parentNode)); |
|
|
|
|
} |
|
|
|
|
if (navigator.userAgent.indexOf('Opera') !== -1) { |
|
|
|
|
if (isOpera) { |
|
|
|
|
// use browser detection since we cannot feature-check this bug
|
|
|
|
|
document.addEventListener('click', ignoreIfTargetDisabled, true); |
|
|
|
|
} |
|
|
|
@ -439,7 +452,7 @@ if (typeof PDFJS === 'undefined') {
@@ -439,7 +452,7 @@ if (typeof PDFJS === 'undefined') {
|
|
|
|
|
// Support: IE
|
|
|
|
|
(function checkOnBlobSupport() { |
|
|
|
|
// sometimes IE loosing the data created with createObjectURL(), see #3977
|
|
|
|
|
if (navigator.userAgent.indexOf('Trident') >= 0) { |
|
|
|
|
if (isIE) { |
|
|
|
|
PDFJS.disableCreateObjectURL = true; |
|
|
|
|
} |
|
|
|
|
})(); |
|
|
|
@ -452,25 +465,19 @@ if (typeof PDFJS === 'undefined') {
@@ -452,25 +465,19 @@ if (typeof PDFJS === 'undefined') {
|
|
|
|
|
PDFJS.locale = navigator.userLanguage || 'en-US'; |
|
|
|
|
})(); |
|
|
|
|
|
|
|
|
|
// Support: Safari 6.0+, Android<3.0, Chrome 39/40, 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.
|
|
|
|
|
// Support: Safari 6.0+
|
|
|
|
|
var isSafari = /Safari\//.test(navigator.userAgent) && |
|
|
|
|
!/(Chrome\/|Android\s)/.test(navigator.userAgent); |
|
|
|
|
|
|
|
|
|
// 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.
|
|
|
|
|
// Support: Android<3.0
|
|
|
|
|
var isOldAndroid = /Android\s[0-2][^\d]/.test(navigator.userAgent); |
|
|
|
|
|
|
|
|
|
// Range requests are broken in Chrome 39 and 40, https://crbug.com/442318
|
|
|
|
|
var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(navigator.userAgent); |
|
|
|
|
|
|
|
|
|
if (isSafari || isOldAndroid || isChromeWithRangeBug) { |
|
|
|
|
if (isSafari || isAndroidPre3 || isChromeWithRangeBug || isIOS) { |
|
|
|
|
PDFJS.disableRange = true; |
|
|
|
|
PDFJS.disableStream = true; |
|
|
|
|
} |
|
|
|
@ -482,7 +489,7 @@ if (typeof PDFJS === 'undefined') {
@@ -482,7 +489,7 @@ if (typeof PDFJS === 'undefined') {
|
|
|
|
|
// 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 || navigator.userAgent.indexOf('Android 2.') >= 0) { |
|
|
|
|
if (!history.pushState || isAndroidPre3) { |
|
|
|
|
PDFJS.disableHistory = true; |
|
|
|
|
} |
|
|
|
|
})(); |
|
|
|
@ -502,17 +509,17 @@ if (typeof PDFJS === 'undefined') {
@@ -502,17 +509,17 @@ if (typeof PDFJS === 'undefined') {
|
|
|
|
|
// Old Chrome and Android use an inaccessible CanvasPixelArray prototype.
|
|
|
|
|
// Because we cannot feature detect it, we rely on user agent parsing.
|
|
|
|
|
var polyfill = false, versionMatch; |
|
|
|
|
if (navigator.userAgent.indexOf('Chrom') >= 0) { |
|
|
|
|
versionMatch = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./); |
|
|
|
|
if (isChrome) { |
|
|
|
|
versionMatch = userAgent.match(/Chrom(e|ium)\/([0-9]+)\./); |
|
|
|
|
// Chrome < 21 lacks the set function.
|
|
|
|
|
polyfill = versionMatch && parseInt(versionMatch[2]) < 21; |
|
|
|
|
} else if (navigator.userAgent.indexOf('Android') >= 0) { |
|
|
|
|
} else if (isAndroid) { |
|
|
|
|
// Android < 4.4 lacks the set function.
|
|
|
|
|
// Android >= 4.4 will contain Chrome in the user agent,
|
|
|
|
|
// thus pass the Chrome check above and not reach this block.
|
|
|
|
|
polyfill = /Android\s[0-4][^\d]/g.test(navigator.userAgent); |
|
|
|
|
} else if (navigator.userAgent.indexOf('Safari') >= 0) { |
|
|
|
|
versionMatch = navigator.userAgent. |
|
|
|
|
polyfill = isAndroidPre5; |
|
|
|
|
} else if (isSafari) { |
|
|
|
|
versionMatch = userAgent. |
|
|
|
|
match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//); |
|
|
|
|
// Safari < 6 lacks the set function.
|
|
|
|
|
polyfill = versionMatch && parseInt(versionMatch[1]) < 6; |
|
|
|
@ -542,7 +549,6 @@ if (typeof PDFJS === 'undefined') {
@@ -542,7 +549,6 @@ if (typeof PDFJS === 'undefined') {
|
|
|
|
|
window.setTimeout(callback, 20); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent); |
|
|
|
|
if (isIOS) { |
|
|
|
|
// requestAnimationFrame on iOS is broken, replacing with fake one.
|
|
|
|
|
window.requestAnimationFrame = fakeRequestAnimationFrame; |
|
|
|
@ -557,9 +563,8 @@ if (typeof PDFJS === 'undefined') {
@@ -557,9 +563,8 @@ if (typeof PDFJS === 'undefined') {
|
|
|
|
|
fakeRequestAnimationFrame; |
|
|
|
|
})(); |
|
|
|
|
|
|
|
|
|
// Support: Android, iOS
|
|
|
|
|
(function checkCanvasSizeLimitation() { |
|
|
|
|
var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent); |
|
|
|
|
var isAndroid = /Android/g.test(navigator.userAgent); |
|
|
|
|
if (isIOS || isAndroid) { |
|
|
|
|
// 5MP
|
|
|
|
|
PDFJS.maxCanvasPixels = 5242880; |
|
|
|
@ -569,9 +574,7 @@ if (typeof PDFJS === 'undefined') {
@@ -569,9 +574,7 @@ if (typeof PDFJS === 'undefined') {
|
|
|
|
|
// Disable fullscreen support for certain problematic configurations.
|
|
|
|
|
// Support: IE11+ (when embedded).
|
|
|
|
|
(function checkFullscreenSupport() { |
|
|
|
|
var isEmbeddedIE = (navigator.userAgent.indexOf('Trident') >= 0 && |
|
|
|
|
window.parent !== window); |
|
|
|
|
if (isEmbeddedIE) { |
|
|
|
|
if (isIE && window.parent !== window) { |
|
|
|
|
PDFJS.disableFullscreen = true; |
|
|
|
|
} |
|
|
|
|
})(); |
|
|
|
|