/ * C o p y r i g h t 2 0 1 7 M o z i l l a F o u n d a t i o n
*
* Licensed under the Apache License , Version 2.0 ( the "License" ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an "AS IS" BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
* /
( function webpackUniversalModuleDefinition ( root , factory ) {
if ( typeof exports === 'object' && typeof module === 'object' )
module . exports = factory ( ) ;
else if ( typeof define === 'function' && define . amd )
define ( "pdfjs-dist/web/pdf_viewer" , [ ] , factory ) ;
else if ( typeof exports === 'object' )
exports [ "pdfjs-dist/web/pdf_viewer" ] = factory ( ) ;
else
root [ "pdfjs-dist/web/pdf_viewer" ] = root . pdfjsDistWebPdfViewer = factory ( ) ;
} ) ( this , function ( ) {
return /******/ ( function ( modules ) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = { } ;
/******/
/******/ // The require function
/******/ function _ _w _pdfjs _require _ _ ( moduleId ) {
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/******/ // Check if module is in cache
/******/ if ( installedModules [ moduleId ] ) {
/******/ return installedModules [ moduleId ] . exports ;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules [ moduleId ] = {
/******/ i : moduleId ,
/******/ l : false ,
/******/ exports : { }
/******/ } ;
/******/
/******/ // Execute the module function
/******/ modules [ moduleId ] . call ( module . exports , module , module . exports , _ _w _pdfjs _require _ _ ) ;
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/******/ // Flag the module as loaded
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/******/ // Return the exports of the module
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/******/ // expose the modules object (__webpack_modules__)
/******/ _ _w _pdfjs _require _ _ . m = modules ;
/******/
/******/ // expose the module cache
/******/ _ _w _pdfjs _require _ _ . c = installedModules ;
/******/
/******/ // identity function for calling harmony imports with the correct context
/******/ _ _w _pdfjs _require _ _ . i = function ( value ) { return value ; } ;
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/******/ // define getter function for harmony exports
/******/ _ _w _pdfjs _require _ _ . d = function ( exports , name , getter ) {
/******/ if ( ! _ _w _pdfjs _require _ _ . o ( exports , name ) ) {
/******/ Object . defineProperty ( exports , name , {
/******/ configurable : false ,
/******/ enumerable : true ,
/******/ get : getter
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/******/ }
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/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ _ _w _pdfjs _require _ _ . n = function ( module ) {
/******/ var getter = module && module . _ _esModule ?
/******/ function getDefault ( ) { return module [ 'default' ] ; } :
/******/ function getModuleExports ( ) { return module ; } ;
/******/ _ _w _pdfjs _require _ _ . d ( getter , 'a' , getter ) ;
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/******/ // __webpack_public_path__
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/******/ // Load entry module and return exports
/******/ return _ _w _pdfjs _require _ _ ( _ _w _pdfjs _require _ _ . s = 12 ) ;
/******/ } )
/************************************************************************/
/******/ ( [
/* 0 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
{
var pdfjsLib ;
if ( typeof _ _pdfjsdev _webpack _ _ === 'undefined' ) {
if ( typeof window !== 'undefined' && window [ 'pdfjs-dist/build/pdf' ] ) {
pdfjsLib = window [ 'pdfjs-dist/build/pdf' ] ;
} else if ( typeof require === 'function' ) {
pdfjsLib = require ( '../build/pdf.js' ) ;
} else {
throw new Error ( 'Neither `require` nor `window` found' ) ;
}
}
module . exports = pdfjsLib ;
}
/***/ } ) ,
/* 1 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
exports . localized = exports . animationStarted = exports . normalizeWheelEventDelta = exports . binarySearchFirstItem = exports . watchScroll = exports . scrollIntoView = exports . getOutputScale = exports . approximateFraction = exports . roundToDivide = exports . getVisibleElements = exports . parseQueryString = exports . noContextMenuHandler = exports . getPDFFileNameFromURL = exports . ProgressBar = exports . EventBus = exports . mozL10n = exports . RendererType = exports . cloneObj = exports . VERTICAL _PADDING = exports . SCROLLBAR _PADDING = exports . MAX _AUTO _SCALE = exports . UNKNOWN _SCALE = exports . MAX _SCALE = exports . MIN _SCALE = exports . DEFAULT _SCALE = exports . DEFAULT _SCALE _VALUE = exports . CSS _UNITS = undefined ;
var _pdfjs = _ _w _pdfjs _require _ _ ( 0 ) ;
var CSS _UNITS = 96.0 / 72.0 ;
var DEFAULT _SCALE _VALUE = 'auto' ;
var DEFAULT _SCALE = 1.0 ;
var MIN _SCALE = 0.25 ;
var MAX _SCALE = 10.0 ;
var UNKNOWN _SCALE = 0 ;
var MAX _AUTO _SCALE = 1.25 ;
var SCROLLBAR _PADDING = 40 ;
var VERTICAL _PADDING = 5 ;
var RendererType = {
CANVAS : 'canvas' ,
SVG : 'svg'
} ;
var mozL10n = typeof document !== 'undefined' ? document . mozL10n || document . webL10n : undefined ;
_pdfjs . PDFJS . disableFullscreen = _pdfjs . PDFJS . disableFullscreen === undefined ? false : _pdfjs . PDFJS . disableFullscreen ;
_pdfjs . PDFJS . useOnlyCssZoom = _pdfjs . PDFJS . useOnlyCssZoom === undefined ? false : _pdfjs . PDFJS . useOnlyCssZoom ;
_pdfjs . PDFJS . maxCanvasPixels = _pdfjs . PDFJS . maxCanvasPixels === undefined ? 16777216 : _pdfjs . PDFJS . maxCanvasPixels ;
_pdfjs . PDFJS . disableHistory = _pdfjs . PDFJS . disableHistory === undefined ? false : _pdfjs . PDFJS . disableHistory ;
_pdfjs . PDFJS . disableTextLayer = _pdfjs . PDFJS . disableTextLayer === undefined ? false : _pdfjs . PDFJS . disableTextLayer ;
_pdfjs . PDFJS . ignoreCurrentPositionOnZoom = _pdfjs . PDFJS . ignoreCurrentPositionOnZoom === undefined ? false : _pdfjs . PDFJS . ignoreCurrentPositionOnZoom ;
{
_pdfjs . PDFJS . locale = _pdfjs . PDFJS . locale === undefined && typeof navigator !== 'undefined' ? navigator . language : _pdfjs . PDFJS . locale ;
}
function getOutputScale ( ctx ) {
var devicePixelRatio = window . devicePixelRatio || 1 ;
var backingStoreRatio = ctx . webkitBackingStorePixelRatio || ctx . mozBackingStorePixelRatio || ctx . msBackingStorePixelRatio || ctx . oBackingStorePixelRatio || ctx . backingStorePixelRatio || 1 ;
var pixelRatio = devicePixelRatio / backingStoreRatio ;
return {
sx : pixelRatio ,
sy : pixelRatio ,
scaled : pixelRatio !== 1
} ;
}
function scrollIntoView ( element , spot , skipOverflowHiddenElements ) {
var parent = element . offsetParent ;
if ( ! parent ) {
console . error ( 'offsetParent is not set -- cannot scroll' ) ;
return ;
}
var checkOverflow = skipOverflowHiddenElements || false ;
var offsetY = element . offsetTop + element . clientTop ;
var offsetX = element . offsetLeft + element . clientLeft ;
while ( parent . clientHeight === parent . scrollHeight || checkOverflow && getComputedStyle ( parent ) . overflow === 'hidden' ) {
if ( parent . dataset . _scaleY ) {
offsetY /= parent . dataset . _scaleY ;
offsetX /= parent . dataset . _scaleX ;
}
offsetY += parent . offsetTop ;
offsetX += parent . offsetLeft ;
parent = parent . offsetParent ;
if ( ! parent ) {
return ;
}
}
if ( spot ) {
if ( spot . top !== undefined ) {
offsetY += spot . top ;
}
if ( spot . left !== undefined ) {
offsetX += spot . left ;
parent . scrollLeft = offsetX ;
}
}
parent . scrollTop = offsetY ;
}
function watchScroll ( viewAreaElement , callback ) {
var debounceScroll = function debounceScroll ( evt ) {
if ( rAF ) {
return ;
}
rAF = window . requestAnimationFrame ( function viewAreaElementScrolled ( ) {
rAF = null ;
var currentY = viewAreaElement . scrollTop ;
var lastY = state . lastY ;
if ( currentY !== lastY ) {
state . down = currentY > lastY ;
}
state . lastY = currentY ;
callback ( state ) ;
} ) ;
} ;
var state = {
down : true ,
lastY : viewAreaElement . scrollTop ,
_eventHandler : debounceScroll
} ;
var rAF = null ;
viewAreaElement . addEventListener ( 'scroll' , debounceScroll , true ) ;
return state ;
}
function parseQueryString ( query ) {
var parts = query . split ( '&' ) ;
var params = { } ;
for ( var i = 0 , ii = parts . length ; i < ii ; ++ i ) {
var param = parts [ i ] . split ( '=' ) ;
var key = param [ 0 ] . toLowerCase ( ) ;
var value = param . length > 1 ? param [ 1 ] : null ;
params [ decodeURIComponent ( key ) ] = decodeURIComponent ( value ) ;
}
return params ;
}
function binarySearchFirstItem ( items , condition ) {
var minIndex = 0 ;
var maxIndex = items . length - 1 ;
if ( items . length === 0 || ! condition ( items [ maxIndex ] ) ) {
return items . length ;
}
if ( condition ( items [ minIndex ] ) ) {
return minIndex ;
}
while ( minIndex < maxIndex ) {
var currentIndex = minIndex + maxIndex >> 1 ;
var currentItem = items [ currentIndex ] ;
if ( condition ( currentItem ) ) {
maxIndex = currentIndex ;
} else {
minIndex = currentIndex + 1 ;
}
}
return minIndex ;
}
function approximateFraction ( x ) {
if ( Math . floor ( x ) === x ) {
return [ x , 1 ] ;
}
var xinv = 1 / x ;
var limit = 8 ;
if ( xinv > limit ) {
return [ 1 , limit ] ;
} else if ( Math . floor ( xinv ) === xinv ) {
return [ 1 , xinv ] ;
}
var x _ = x > 1 ? xinv : x ;
var a = 0 ,
b = 1 ,
c = 1 ,
d = 1 ;
while ( true ) {
var p = a + c ,
q = b + d ;
if ( q > limit ) {
break ;
}
if ( x _ <= p / q ) {
c = p ;
d = q ;
} else {
a = p ;
b = q ;
}
}
var result ;
if ( x _ - a / b < c / d - x _ ) {
result = x _ === x ? [ a , b ] : [ b , a ] ;
} else {
result = x _ === x ? [ c , d ] : [ d , c ] ;
}
return result ;
}
function roundToDivide ( x , div ) {
var r = x % div ;
return r === 0 ? x : Math . round ( x - r + div ) ;
}
function getVisibleElements ( scrollEl , views , sortByVisibility ) {
var top = scrollEl . scrollTop ,
bottom = top + scrollEl . clientHeight ;
var left = scrollEl . scrollLeft ,
right = left + scrollEl . clientWidth ;
function isElementBottomBelowViewTop ( view ) {
var element = view . div ;
var elementBottom = element . offsetTop + element . clientTop + element . clientHeight ;
return elementBottom > top ;
}
var visible = [ ] ,
view ,
element ;
var currentHeight , viewHeight , hiddenHeight , percentHeight ;
var currentWidth , viewWidth ;
var firstVisibleElementInd = views . length === 0 ? 0 : binarySearchFirstItem ( views , isElementBottomBelowViewTop ) ;
for ( var i = firstVisibleElementInd , ii = views . length ; i < ii ; i ++ ) {
view = views [ i ] ;
element = view . div ;
currentHeight = element . offsetTop + element . clientTop ;
viewHeight = element . clientHeight ;
if ( currentHeight > bottom ) {
break ;
}
currentWidth = element . offsetLeft + element . clientLeft ;
viewWidth = element . clientWidth ;
if ( currentWidth + viewWidth < left || currentWidth > right ) {
continue ;
}
hiddenHeight = Math . max ( 0 , top - currentHeight ) + Math . max ( 0 , currentHeight + viewHeight - bottom ) ;
percentHeight = ( viewHeight - hiddenHeight ) * 100 / viewHeight | 0 ;
visible . push ( {
id : view . id ,
x : currentWidth ,
y : currentHeight ,
view : view ,
percent : percentHeight
} ) ;
}
var first = visible [ 0 ] ;
var last = visible [ visible . length - 1 ] ;
if ( sortByVisibility ) {
visible . sort ( function ( a , b ) {
var pc = a . percent - b . percent ;
if ( Math . abs ( pc ) > 0.001 ) {
return - pc ;
}
return a . id - b . id ;
} ) ;
}
return {
first : first ,
last : last ,
views : visible
} ;
}
function noContextMenuHandler ( e ) {
e . preventDefault ( ) ;
}
function isDataSchema ( url ) {
var i = 0 ,
ii = url . length ;
while ( i < ii && url [ i ] . trim ( ) === '' ) {
i ++ ;
}
return url . substr ( i , 5 ) . toLowerCase ( ) === 'data:' ;
}
function getPDFFileNameFromURL ( url ) {
var defaultFilename = arguments . length > 1 && arguments [ 1 ] !== undefined ? arguments [ 1 ] : 'document.pdf' ;
if ( isDataSchema ( url ) ) {
console . warn ( 'getPDFFileNameFromURL: ' + 'ignoring "data:" URL for performance reasons.' ) ;
return defaultFilename ;
}
var reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/ ;
var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i ;
var splitURI = reURI . exec ( url ) ;
var suggestedFilename = reFilename . exec ( splitURI [ 1 ] ) || reFilename . exec ( splitURI [ 2 ] ) || reFilename . exec ( splitURI [ 3 ] ) ;
if ( suggestedFilename ) {
suggestedFilename = suggestedFilename [ 0 ] ;
if ( suggestedFilename . indexOf ( '%' ) !== - 1 ) {
try {
suggestedFilename = reFilename . exec ( decodeURIComponent ( suggestedFilename ) ) [ 0 ] ;
} catch ( e ) { }
}
}
return suggestedFilename || defaultFilename ;
}
function normalizeWheelEventDelta ( evt ) {
var delta = Math . sqrt ( evt . deltaX * evt . deltaX + evt . deltaY * evt . deltaY ) ;
var angle = Math . atan2 ( evt . deltaY , evt . deltaX ) ;
if ( - 0.25 * Math . PI < angle && angle < 0.75 * Math . PI ) {
delta = - delta ;
}
var MOUSE _DOM _DELTA _PIXEL _MODE = 0 ;
var MOUSE _DOM _DELTA _LINE _MODE = 1 ;
var MOUSE _PIXELS _PER _LINE = 30 ;
var MOUSE _LINES _PER _PAGE = 30 ;
if ( evt . deltaMode === MOUSE _DOM _DELTA _PIXEL _MODE ) {
delta /= MOUSE _PIXELS _PER _LINE * MOUSE _LINES _PER _PAGE ;
} else if ( evt . deltaMode === MOUSE _DOM _DELTA _LINE _MODE ) {
delta /= MOUSE _LINES _PER _PAGE ;
}
return delta ;
}
function cloneObj ( obj ) {
var result = { } ;
for ( var i in obj ) {
if ( Object . prototype . hasOwnProperty . call ( obj , i ) ) {
result [ i ] = obj [ i ] ;
}
}
return result ;
}
var animationStarted = new Promise ( function ( resolve ) {
window . requestAnimationFrame ( resolve ) ;
} ) ;
var localized = new Promise ( function ( resolve , reject ) {
if ( ! mozL10n ) {
resolve ( ) ;
return ;
}
if ( mozL10n . getReadyState ( ) !== 'loading' ) {
resolve ( ) ;
return ;
}
window . addEventListener ( 'localized' , function localized ( evt ) {
resolve ( ) ;
} ) ;
} ) ;
var EventBus = function EventBusClosure ( ) {
function EventBus ( ) {
this . _listeners = Object . create ( null ) ;
}
EventBus . prototype = {
on : function EventBus _on ( eventName , listener ) {
var eventListeners = this . _listeners [ eventName ] ;
if ( ! eventListeners ) {
eventListeners = [ ] ;
this . _listeners [ eventName ] = eventListeners ;
}
eventListeners . push ( listener ) ;
} ,
off : function EventBus _on ( eventName , listener ) {
var eventListeners = this . _listeners [ eventName ] ;
var i ;
if ( ! eventListeners || ( i = eventListeners . indexOf ( listener ) ) < 0 ) {
return ;
}
eventListeners . splice ( i , 1 ) ;
} ,
dispatch : function EventBus _dispath ( eventName ) {
var eventListeners = this . _listeners [ eventName ] ;
if ( ! eventListeners || eventListeners . length === 0 ) {
return ;
}
var args = Array . prototype . slice . call ( arguments , 1 ) ;
eventListeners . slice ( 0 ) . forEach ( function ( listener ) {
listener . apply ( null , args ) ;
} ) ;
}
} ;
return EventBus ;
} ( ) ;
var ProgressBar = function ProgressBarClosure ( ) {
function clamp ( v , min , max ) {
return Math . min ( Math . max ( v , min ) , max ) ;
}
function ProgressBar ( id , opts ) {
this . visible = true ;
this . div = document . querySelector ( id + ' .progress' ) ;
this . bar = this . div . parentNode ;
this . height = opts . height || 100 ;
this . width = opts . width || 100 ;
this . units = opts . units || '%' ;
this . div . style . height = this . height + this . units ;
this . percent = 0 ;
}
ProgressBar . prototype = {
updateBar : function ProgressBar _updateBar ( ) {
if ( this . _indeterminate ) {
this . div . classList . add ( 'indeterminate' ) ;
this . div . style . width = this . width + this . units ;
return ;
}
this . div . classList . remove ( 'indeterminate' ) ;
var progressSize = this . width * this . _percent / 100 ;
this . div . style . width = progressSize + this . units ;
} ,
get percent ( ) {
return this . _percent ;
} ,
set percent ( val ) {
this . _indeterminate = isNaN ( val ) ;
this . _percent = clamp ( val , 0 , 100 ) ;
this . updateBar ( ) ;
} ,
setWidth : function ProgressBar _setWidth ( viewer ) {
if ( viewer ) {
var container = viewer . parentNode ;
var scrollbarWidth = container . offsetWidth - viewer . offsetWidth ;
if ( scrollbarWidth > 0 ) {
this . bar . setAttribute ( 'style' , 'width: calc(100% - ' + scrollbarWidth + 'px);' ) ;
}
}
} ,
hide : function ProgressBar _hide ( ) {
if ( ! this . visible ) {
return ;
}
this . visible = false ;
this . bar . classList . add ( 'hidden' ) ;
document . body . classList . remove ( 'loadingInProgress' ) ;
} ,
show : function ProgressBar _show ( ) {
if ( this . visible ) {
return ;
}
this . visible = true ;
document . body . classList . add ( 'loadingInProgress' ) ;
this . bar . classList . remove ( 'hidden' ) ;
}
} ;
return ProgressBar ;
} ( ) ;
exports . CSS _UNITS = CSS _UNITS ;
exports . DEFAULT _SCALE _VALUE = DEFAULT _SCALE _VALUE ;
exports . DEFAULT _SCALE = DEFAULT _SCALE ;
exports . MIN _SCALE = MIN _SCALE ;
exports . MAX _SCALE = MAX _SCALE ;
exports . UNKNOWN _SCALE = UNKNOWN _SCALE ;
exports . MAX _AUTO _SCALE = MAX _AUTO _SCALE ;
exports . SCROLLBAR _PADDING = SCROLLBAR _PADDING ;
exports . VERTICAL _PADDING = VERTICAL _PADDING ;
exports . cloneObj = cloneObj ;
exports . RendererType = RendererType ;
exports . mozL10n = mozL10n ;
exports . EventBus = EventBus ;
exports . ProgressBar = ProgressBar ;
exports . getPDFFileNameFromURL = getPDFFileNameFromURL ;
exports . noContextMenuHandler = noContextMenuHandler ;
exports . parseQueryString = parseQueryString ;
exports . getVisibleElements = getVisibleElements ;
exports . roundToDivide = roundToDivide ;
exports . approximateFraction = approximateFraction ;
exports . getOutputScale = getOutputScale ;
exports . scrollIntoView = scrollIntoView ;
exports . watchScroll = watchScroll ;
exports . binarySearchFirstItem = binarySearchFirstItem ;
exports . normalizeWheelEventDelta = normalizeWheelEventDelta ;
exports . animationStarted = animationStarted ;
exports . localized = localized ;
/***/ } ) ,
/* 2 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
exports . getGlobalEventBus = exports . attachDOMEventsToEventBus = undefined ;
var _ui _utils = _ _w _pdfjs _require _ _ ( 1 ) ;
function attachDOMEventsToEventBus ( eventBus ) {
eventBus . on ( 'documentload' , function ( ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'documentload' , true , true , { } ) ;
window . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'pagerendered' , function ( e ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'pagerendered' , true , true , {
pageNumber : e . pageNumber ,
cssTransform : e . cssTransform
} ) ;
e . source . div . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'textlayerrendered' , function ( e ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'textlayerrendered' , true , true , { pageNumber : e . pageNumber } ) ;
e . source . textLayerDiv . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'pagechange' , function ( e ) {
var event = document . createEvent ( 'UIEvents' ) ;
event . initUIEvent ( 'pagechange' , true , true , window , 0 ) ;
event . pageNumber = e . pageNumber ;
e . source . container . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'pagesinit' , function ( e ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'pagesinit' , true , true , null ) ;
e . source . container . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'pagesloaded' , function ( e ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'pagesloaded' , true , true , { pagesCount : e . pagesCount } ) ;
e . source . container . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'scalechange' , function ( e ) {
var event = document . createEvent ( 'UIEvents' ) ;
event . initUIEvent ( 'scalechange' , true , true , window , 0 ) ;
event . scale = e . scale ;
event . presetValue = e . presetValue ;
e . source . container . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'updateviewarea' , function ( e ) {
var event = document . createEvent ( 'UIEvents' ) ;
event . initUIEvent ( 'updateviewarea' , true , true , window , 0 ) ;
event . location = e . location ;
e . source . container . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'find' , function ( e ) {
if ( e . source === window ) {
return ;
}
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'find' + e . type , true , true , {
query : e . query ,
phraseSearch : e . phraseSearch ,
caseSensitive : e . caseSensitive ,
highlightAll : e . highlightAll ,
findPrevious : e . findPrevious
} ) ;
window . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'attachmentsloaded' , function ( e ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'attachmentsloaded' , true , true , { attachmentsCount : e . attachmentsCount } ) ;
e . source . container . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'sidebarviewchanged' , function ( e ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'sidebarviewchanged' , true , true , { view : e . view } ) ;
e . source . outerContainer . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'pagemode' , function ( e ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'pagemode' , true , true , { mode : e . mode } ) ;
e . source . pdfViewer . container . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'namedaction' , function ( e ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'namedaction' , true , true , { action : e . action } ) ;
e . source . pdfViewer . container . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'presentationmodechanged' , function ( e ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'presentationmodechanged' , true , true , {
active : e . active ,
switchInProgress : e . switchInProgress
} ) ;
window . dispatchEvent ( event ) ;
} ) ;
eventBus . on ( 'outlineloaded' , function ( e ) {
var event = document . createEvent ( 'CustomEvent' ) ;
event . initCustomEvent ( 'outlineloaded' , true , true , { outlineCount : e . outlineCount } ) ;
e . source . container . dispatchEvent ( event ) ;
} ) ;
}
var globalEventBus = null ;
function getGlobalEventBus ( ) {
if ( globalEventBus ) {
return globalEventBus ;
}
globalEventBus = new _ui _utils . EventBus ( ) ;
attachDOMEventsToEventBus ( globalEventBus ) ;
return globalEventBus ;
}
exports . attachDOMEventsToEventBus = attachDOMEventsToEventBus ;
exports . getGlobalEventBus = getGlobalEventBus ;
/***/ } ) ,
/* 3 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
exports . SimpleLinkService = exports . PDFLinkService = undefined ;
var _typeof = typeof Symbol === "function" && typeof Symbol . iterator === "symbol" ? function ( obj ) { return typeof obj ; } : function ( obj ) { return obj && typeof Symbol === "function" && obj . constructor === Symbol && obj !== Symbol . prototype ? "symbol" : typeof obj ; } ;
var _dom _events = _ _w _pdfjs _require _ _ ( 2 ) ;
var _ui _utils = _ _w _pdfjs _require _ _ ( 1 ) ;
var PDFLinkService = function PDFLinkServiceClosure ( ) {
function PDFLinkService ( options ) {
options = options || { } ;
this . eventBus = options . eventBus || ( 0 , _dom _events . getGlobalEventBus ) ( ) ;
this . baseUrl = null ;
this . pdfDocument = null ;
this . pdfViewer = null ;
this . pdfHistory = null ;
this . _pagesRefCache = null ;
}
PDFLinkService . prototype = {
setDocument : function PDFLinkService _setDocument ( pdfDocument , baseUrl ) {
this . baseUrl = baseUrl ;
this . pdfDocument = pdfDocument ;
this . _pagesRefCache = Object . create ( null ) ;
} ,
setViewer : function PDFLinkService _setViewer ( pdfViewer ) {
this . pdfViewer = pdfViewer ;
} ,
setHistory : function PDFLinkService _setHistory ( pdfHistory ) {
this . pdfHistory = pdfHistory ;
} ,
get pagesCount ( ) {
return this . pdfDocument ? this . pdfDocument . numPages : 0 ;
} ,
get page ( ) {
return this . pdfViewer . currentPageNumber ;
} ,
set page ( value ) {
this . pdfViewer . currentPageNumber = value ;
} ,
navigateTo : function navigateTo ( dest ) {
var _this = this ;
var goToDestination = function goToDestination ( _ref ) {
var namedDest = _ref . namedDest ,
explicitDest = _ref . explicitDest ;
var destRef = explicitDest [ 0 ] ,
pageNumber = void 0 ;
if ( destRef instanceof Object ) {
pageNumber = _this . _cachedPageNumber ( destRef ) ;
if ( pageNumber === null ) {
_this . pdfDocument . getPageIndex ( destRef ) . then ( function ( pageIndex ) {
_this . cachePageRef ( pageIndex + 1 , destRef ) ;
goToDestination ( {
namedDest : namedDest ,
explicitDest : explicitDest
} ) ;
} ) . catch ( function ( ) {
console . error ( 'PDFLinkService.navigateTo: "' + destRef + '" is not ' + ( 'a valid page reference, for dest="' + dest + '".' ) ) ;
} ) ;
return ;
}
} else if ( ( destRef | 0 ) === destRef ) {
pageNumber = destRef + 1 ;
} else {
console . error ( 'PDFLinkService.navigateTo: "' + destRef + '" is not ' + ( 'a valid destination reference, for dest="' + dest + '".' ) ) ;
return ;
}
if ( ! pageNumber || pageNumber < 1 || pageNumber > _this . pagesCount ) {
console . error ( 'PDFLinkService.navigateTo: "' + pageNumber + '" is not ' + ( 'a valid page number, for dest="' + dest + '".' ) ) ;
return ;
}
_this . pdfViewer . scrollPageIntoView ( {
pageNumber : pageNumber ,
destArray : explicitDest
} ) ;
if ( _this . pdfHistory ) {
_this . pdfHistory . push ( {
dest : explicitDest ,
hash : namedDest ,
page : pageNumber
} ) ;
}
} ;
new Promise ( function ( resolve , reject ) {
if ( typeof dest === 'string' ) {
_this . pdfDocument . getDestination ( dest ) . then ( function ( destArray ) {
resolve ( {
namedDest : dest ,
explicitDest : destArray
} ) ;
} ) ;
return ;
}
resolve ( {
namedDest : '' ,
explicitDest : dest
} ) ;
} ) . then ( function ( data ) {
if ( ! ( data . explicitDest instanceof Array ) ) {
console . error ( 'PDFLinkService.navigateTo: "' + data . explicitDest + '" is' + ( ' not a valid destination array, for dest="' + dest + '".' ) ) ;
return ;
}
goToDestination ( data ) ;
} ) ;
} ,
getDestinationHash : function getDestinationHash ( dest ) {
if ( typeof dest === 'string' ) {
return this . getAnchorUrl ( '#' + escape ( dest ) ) ;
}
if ( dest instanceof Array ) {
var str = JSON . stringify ( dest ) ;
return this . getAnchorUrl ( '#' + escape ( str ) ) ;
}
return this . getAnchorUrl ( '' ) ;
} ,
getAnchorUrl : function PDFLinkService _getAnchorUrl ( anchor ) {
return ( this . baseUrl || '' ) + anchor ;
} ,
setHash : function PDFLinkService _setHash ( hash ) {
var pageNumber , dest ;
if ( hash . indexOf ( '=' ) >= 0 ) {
var params = ( 0 , _ui _utils . parseQueryString ) ( hash ) ;
if ( 'search' in params ) {
this . eventBus . dispatch ( 'findfromurlhash' , {
source : this ,
query : params [ 'search' ] . replace ( /"/g , '' ) ,
phraseSearch : params [ 'phrase' ] === 'true'
} ) ;
}
if ( 'nameddest' in params ) {
if ( this . pdfHistory ) {
this . pdfHistory . updateNextHashParam ( params . nameddest ) ;
}
this . navigateTo ( params . nameddest ) ;
return ;
}
if ( 'page' in params ) {
pageNumber = params . page | 0 || 1 ;
}
if ( 'zoom' in params ) {
var zoomArgs = params . zoom . split ( ',' ) ;
var zoomArg = zoomArgs [ 0 ] ;
var zoomArgNumber = parseFloat ( zoomArg ) ;
if ( zoomArg . indexOf ( 'Fit' ) === - 1 ) {
dest = [ null , { name : 'XYZ' } , zoomArgs . length > 1 ? zoomArgs [ 1 ] | 0 : null , zoomArgs . length > 2 ? zoomArgs [ 2 ] | 0 : null , zoomArgNumber ? zoomArgNumber / 100 : zoomArg ] ;
} else {
if ( zoomArg === 'Fit' || zoomArg === 'FitB' ) {
dest = [ null , { name : zoomArg } ] ;
} else if ( zoomArg === 'FitH' || zoomArg === 'FitBH' || zoomArg === 'FitV' || zoomArg === 'FitBV' ) {
dest = [ null , { name : zoomArg } , zoomArgs . length > 1 ? zoomArgs [ 1 ] | 0 : null ] ;
} else if ( zoomArg === 'FitR' ) {
if ( zoomArgs . length !== 5 ) {
console . error ( 'PDFLinkService_setHash: ' + 'Not enough parameters for \'FitR\'.' ) ;
} else {
dest = [ null , { name : zoomArg } , zoomArgs [ 1 ] | 0 , zoomArgs [ 2 ] | 0 , zoomArgs [ 3 ] | 0 , zoomArgs [ 4 ] | 0 ] ;
}
} else {
console . error ( 'PDFLinkService_setHash: \'' + zoomArg + '\' is not a valid zoom value.' ) ;
}
}
}
if ( dest ) {
this . pdfViewer . scrollPageIntoView ( {
pageNumber : pageNumber || this . page ,
destArray : dest ,
allowNegativeOffset : true
} ) ;
} else if ( pageNumber ) {
this . page = pageNumber ;
}
if ( 'pagemode' in params ) {
this . eventBus . dispatch ( 'pagemode' , {
source : this ,
mode : params . pagemode
} ) ;
}
} else {
if ( /^\d+$/ . test ( hash ) && hash <= this . pagesCount ) {
console . warn ( 'PDFLinkService_setHash: specifying a page number ' + 'directly after the hash symbol (#) is deprecated, ' + 'please use the "#page=' + hash + '" form instead.' ) ;
this . page = hash | 0 ;
}
dest = unescape ( hash ) ;
try {
dest = JSON . parse ( dest ) ;
if ( ! ( dest instanceof Array ) ) {
dest = dest . toString ( ) ;
}
} catch ( ex ) { }
if ( typeof dest === 'string' || isValidExplicitDestination ( dest ) ) {
if ( this . pdfHistory ) {
this . pdfHistory . updateNextHashParam ( dest ) ;
}
this . navigateTo ( dest ) ;
return ;
}
console . error ( 'PDFLinkService_setHash: \'' + unescape ( hash ) + '\' is not a valid destination.' ) ;
}
} ,
executeNamedAction : function PDFLinkService _executeNamedAction ( action ) {
switch ( action ) {
case 'GoBack' :
if ( this . pdfHistory ) {
this . pdfHistory . back ( ) ;
}
break ;
case 'GoForward' :
if ( this . pdfHistory ) {
this . pdfHistory . forward ( ) ;
}
break ;
case 'NextPage' :
if ( this . page < this . pagesCount ) {
this . page ++ ;
}
break ;
case 'PrevPage' :
if ( this . page > 1 ) {
this . page -- ;
}
break ;
case 'LastPage' :
this . page = this . pagesCount ;
break ;
case 'FirstPage' :
this . page = 1 ;
break ;
default :
break ;
}
this . eventBus . dispatch ( 'namedaction' , {
source : this ,
action : action
} ) ;
} ,
onFileAttachmentAnnotation : function onFileAttachmentAnnotation ( ) {
var params = arguments . length > 0 && arguments [ 0 ] !== undefined ? arguments [ 0 ] : { } ;
this . eventBus . dispatch ( 'fileattachmentannotation' , {
source : this ,
id : params . id ,
filename : params . filename ,
content : params . content
} ) ;
} ,
cachePageRef : function PDFLinkService _cachePageRef ( pageNum , pageRef ) {
var refStr = pageRef . num + ' ' + pageRef . gen + ' R' ;
this . _pagesRefCache [ refStr ] = pageNum ;
} ,
_cachedPageNumber : function PDFLinkService _cachedPageNumber ( pageRef ) {
var refStr = pageRef . num + ' ' + pageRef . gen + ' R' ;
return this . _pagesRefCache && this . _pagesRefCache [ refStr ] || null ;
}
} ;
function isValidExplicitDestination ( dest ) {
if ( ! ( dest instanceof Array ) ) {
return false ;
}
var destLength = dest . length ,
allowNull = true ;
if ( destLength < 2 ) {
return false ;
}
var page = dest [ 0 ] ;
if ( ! ( ( typeof page === 'undefined' ? 'undefined' : _typeof ( page ) ) === 'object' && typeof page . num === 'number' && ( page . num | 0 ) === page . num && typeof page . gen === 'number' && ( page . gen | 0 ) === page . gen ) && ! ( typeof page === 'number' && ( page | 0 ) === page && page >= 0 ) ) {
return false ;
}
var zoom = dest [ 1 ] ;
if ( ! ( ( typeof zoom === 'undefined' ? 'undefined' : _typeof ( zoom ) ) === 'object' && typeof zoom . name === 'string' ) ) {
return false ;
}
switch ( zoom . name ) {
case 'XYZ' :
if ( destLength !== 5 ) {
return false ;
}
break ;
case 'Fit' :
case 'FitB' :
return destLength === 2 ;
case 'FitH' :
case 'FitBH' :
case 'FitV' :
case 'FitBV' :
if ( destLength !== 3 ) {
return false ;
}
break ;
case 'FitR' :
if ( destLength !== 6 ) {
return false ;
}
allowNull = false ;
break ;
default :
return false ;
}
for ( var i = 2 ; i < destLength ; i ++ ) {
var param = dest [ i ] ;
if ( ! ( typeof param === 'number' || allowNull && param === null ) ) {
return false ;
}
}
return true ;
}
return PDFLinkService ;
} ( ) ;
var SimpleLinkService = function SimpleLinkServiceClosure ( ) {
function SimpleLinkService ( ) { }
SimpleLinkService . prototype = {
get page ( ) {
return 0 ;
} ,
set page ( value ) { } ,
navigateTo : function navigateTo ( dest ) { } ,
getDestinationHash : function getDestinationHash ( dest ) {
return '#' ;
} ,
getAnchorUrl : function getAnchorUrl ( hash ) {
return '#' ;
} ,
setHash : function setHash ( hash ) { } ,
executeNamedAction : function executeNamedAction ( action ) { } ,
onFileAttachmentAnnotation : function onFileAttachmentAnnotation ( params ) { } ,
cachePageRef : function cachePageRef ( pageNum , pageRef ) { }
} ;
return SimpleLinkService ;
} ( ) ;
exports . PDFLinkService = PDFLinkService ;
exports . SimpleLinkService = SimpleLinkService ;
/***/ } ) ,
/* 4 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
exports . DefaultAnnotationLayerFactory = exports . AnnotationLayerBuilder = undefined ;
var _createClass = function ( ) { function defineProperties ( target , props ) { for ( var i = 0 ; i < props . length ; i ++ ) { var descriptor = props [ i ] ; descriptor . enumerable = descriptor . enumerable || false ; descriptor . configurable = true ; if ( "value" in descriptor ) descriptor . writable = true ; Object . defineProperty ( target , descriptor . key , descriptor ) ; } } return function ( Constructor , protoProps , staticProps ) { if ( protoProps ) defineProperties ( Constructor . prototype , protoProps ) ; if ( staticProps ) defineProperties ( Constructor , staticProps ) ; return Constructor ; } ; } ( ) ;
var _pdfjs = _ _w _pdfjs _require _ _ ( 0 ) ;
var _ui _utils = _ _w _pdfjs _require _ _ ( 1 ) ;
var _pdf _link _service = _ _w _pdfjs _require _ _ ( 3 ) ;
function _classCallCheck ( instance , Constructor ) { if ( ! ( instance instanceof Constructor ) ) { throw new TypeError ( "Cannot call a class as a function" ) ; } }
var AnnotationLayerBuilder = function ( ) {
function AnnotationLayerBuilder ( options ) {
_classCallCheck ( this , AnnotationLayerBuilder ) ;
this . pageDiv = options . pageDiv ;
this . pdfPage = options . pdfPage ;
this . renderInteractiveForms = options . renderInteractiveForms ;
this . linkService = options . linkService ;
this . downloadManager = options . downloadManager ;
this . div = null ;
}
_createClass ( AnnotationLayerBuilder , [ {
key : 'render' ,
value : function render ( viewport ) {
var _this = this ;
var intent = arguments . length > 1 && arguments [ 1 ] !== undefined ? arguments [ 1 ] : 'display' ;
this . pdfPage . getAnnotations ( { intent : intent } ) . then ( function ( annotations ) {
var parameters = {
viewport : viewport . clone ( { dontFlip : true } ) ,
div : _this . div ,
annotations : annotations ,
page : _this . pdfPage ,
renderInteractiveForms : _this . renderInteractiveForms ,
linkService : _this . linkService ,
downloadManager : _this . downloadManager
} ;
if ( _this . div ) {
_pdfjs . AnnotationLayer . update ( parameters ) ;
} else {
if ( annotations . length === 0 ) {
return ;
}
_this . div = document . createElement ( 'div' ) ;
_this . div . className = 'annotationLayer' ;
_this . pageDiv . appendChild ( _this . div ) ;
parameters . div = _this . div ;
_pdfjs . AnnotationLayer . render ( parameters ) ;
if ( typeof _ui _utils . mozL10n !== 'undefined' ) {
_ui _utils . mozL10n . translate ( _this . div ) ;
}
}
} ) ;
}
} , {
key : 'hide' ,
value : function hide ( ) {
if ( ! this . div ) {
return ;
}
this . div . setAttribute ( 'hidden' , 'true' ) ;
}
} ] ) ;
return AnnotationLayerBuilder ;
} ( ) ;
var DefaultAnnotationLayerFactory = function ( ) {
function DefaultAnnotationLayerFactory ( ) {
_classCallCheck ( this , DefaultAnnotationLayerFactory ) ;
}
_createClass ( DefaultAnnotationLayerFactory , [ {
key : 'createAnnotationLayerBuilder' ,
value : function createAnnotationLayerBuilder ( pageDiv , pdfPage ) {
var renderInteractiveForms = arguments . length > 2 && arguments [ 2 ] !== undefined ? arguments [ 2 ] : false ;
return new AnnotationLayerBuilder ( {
pageDiv : pageDiv ,
pdfPage : pdfPage ,
renderInteractiveForms : renderInteractiveForms ,
linkService : new _pdf _link _service . SimpleLinkService ( )
} ) ;
}
} ] ) ;
return DefaultAnnotationLayerFactory ;
} ( ) ;
exports . AnnotationLayerBuilder = AnnotationLayerBuilder ;
exports . DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory ;
/***/ } ) ,
/* 5 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
exports . PDFPageView = undefined ;
var _ui _utils = _ _w _pdfjs _require _ _ ( 1 ) ;
var _pdfjs = _ _w _pdfjs _require _ _ ( 0 ) ;
var _dom _events = _ _w _pdfjs _require _ _ ( 2 ) ;
var _pdf _rendering _queue = _ _w _pdfjs _require _ _ ( 7 ) ;
var TEXT _LAYER _RENDER _DELAY = 200 ;
var PDFPageView = function PDFPageViewClosure ( ) {
function PDFPageView ( options ) {
var container = options . container ;
var id = options . id ;
var scale = options . scale ;
var defaultViewport = options . defaultViewport ;
var renderingQueue = options . renderingQueue ;
var textLayerFactory = options . textLayerFactory ;
var annotationLayerFactory = options . annotationLayerFactory ;
var enhanceTextSelection = options . enhanceTextSelection || false ;
var renderInteractiveForms = options . renderInteractiveForms || false ;
this . id = id ;
this . renderingId = 'page' + id ;
this . pageLabel = null ;
this . rotation = 0 ;
this . scale = scale || _ui _utils . DEFAULT _SCALE ;
this . viewport = defaultViewport ;
this . pdfPageRotate = defaultViewport . rotation ;
this . hasRestrictedScaling = false ;
this . enhanceTextSelection = enhanceTextSelection ;
this . renderInteractiveForms = renderInteractiveForms ;
this . eventBus = options . eventBus || ( 0 , _dom _events . getGlobalEventBus ) ( ) ;
this . renderingQueue = renderingQueue ;
this . textLayerFactory = textLayerFactory ;
this . annotationLayerFactory = annotationLayerFactory ;
this . renderer = options . renderer || _ui _utils . RendererType . CANVAS ;
this . paintTask = null ;
this . paintedViewportMap = new WeakMap ( ) ;
this . renderingState = _pdf _rendering _queue . RenderingStates . INITIAL ;
this . resume = null ;
this . error = null ;
this . onBeforeDraw = null ;
this . onAfterDraw = null ;
this . textLayer = null ;
this . zoomLayer = null ;
this . annotationLayer = null ;
var div = document . createElement ( 'div' ) ;
div . className = 'page' ;
div . style . width = Math . floor ( this . viewport . width ) + 'px' ;
div . style . height = Math . floor ( this . viewport . height ) + 'px' ;
div . setAttribute ( 'data-page-number' , this . id ) ;
this . div = div ;
container . appendChild ( div ) ;
}
PDFPageView . prototype = {
setPdfPage : function PDFPageView _setPdfPage ( pdfPage ) {
this . pdfPage = pdfPage ;
this . pdfPageRotate = pdfPage . rotate ;
var totalRotation = ( this . rotation + this . pdfPageRotate ) % 360 ;
this . viewport = pdfPage . getViewport ( this . scale * _ui _utils . CSS _UNITS , totalRotation ) ;
this . stats = pdfPage . stats ;
this . reset ( ) ;
} ,
destroy : function PDFPageView _destroy ( ) {
this . reset ( ) ;
if ( this . pdfPage ) {
this . pdfPage . cleanup ( ) ;
}
} ,
_resetZoomLayer : function _resetZoomLayer ( ) {
var removeFromDOM = arguments . length > 0 && arguments [ 0 ] !== undefined ? arguments [ 0 ] : false ;
if ( ! this . zoomLayer ) {
return ;
}
var zoomLayerCanvas = this . zoomLayer . firstChild ;
this . paintedViewportMap . delete ( zoomLayerCanvas ) ;
zoomLayerCanvas . width = 0 ;
zoomLayerCanvas . height = 0 ;
if ( removeFromDOM ) {
this . zoomLayer . remove ( ) ;
}
this . zoomLayer = null ;
} ,
reset : function PDFPageView _reset ( keepZoomLayer , keepAnnotations ) {
this . cancelRendering ( ) ;
var div = this . div ;
div . style . width = Math . floor ( this . viewport . width ) + 'px' ;
div . style . height = Math . floor ( this . viewport . height ) + 'px' ;
var childNodes = div . childNodes ;
var currentZoomLayerNode = keepZoomLayer && this . zoomLayer || null ;
var currentAnnotationNode = keepAnnotations && this . annotationLayer && this . annotationLayer . div || null ;
for ( var i = childNodes . length - 1 ; i >= 0 ; i -- ) {
var node = childNodes [ i ] ;
if ( currentZoomLayerNode === node || currentAnnotationNode === node ) {
continue ;
}
div . removeChild ( node ) ;
}
div . removeAttribute ( 'data-loaded' ) ;
if ( currentAnnotationNode ) {
this . annotationLayer . hide ( ) ;
} else {
this . annotationLayer = null ;
}
if ( ! currentZoomLayerNode ) {
if ( this . canvas ) {
this . paintedViewportMap . delete ( this . canvas ) ;
this . canvas . width = 0 ;
this . canvas . height = 0 ;
delete this . canvas ;
}
this . _resetZoomLayer ( ) ;
}
if ( this . svg ) {
this . paintedViewportMap . delete ( this . svg ) ;
delete this . svg ;
}
this . loadingIconDiv = document . createElement ( 'div' ) ;
this . loadingIconDiv . className = 'loadingIcon' ;
div . appendChild ( this . loadingIconDiv ) ;
} ,
update : function PDFPageView _update ( scale , rotation ) {
this . scale = scale || this . scale ;
if ( typeof rotation !== 'undefined' ) {
this . rotation = rotation ;
}
var totalRotation = ( this . rotation + this . pdfPageRotate ) % 360 ;
this . viewport = this . viewport . clone ( {
scale : this . scale * _ui _utils . CSS _UNITS ,
rotation : totalRotation
} ) ;
if ( this . svg ) {
this . cssTransform ( this . svg , true ) ;
this . eventBus . dispatch ( 'pagerendered' , {
source : this ,
pageNumber : this . id ,
cssTransform : true
} ) ;
return ;
}
var isScalingRestricted = false ;
if ( this . canvas && _pdfjs . PDFJS . maxCanvasPixels > 0 ) {
var outputScale = this . outputScale ;
if ( ( Math . floor ( this . viewport . width ) * outputScale . sx | 0 ) * ( Math . floor ( this . viewport . height ) * outputScale . sy | 0 ) > _pdfjs . PDFJS . maxCanvasPixels ) {
isScalingRestricted = true ;
}
}
if ( this . canvas ) {
if ( _pdfjs . PDFJS . useOnlyCssZoom || this . hasRestrictedScaling && isScalingRestricted ) {
this . cssTransform ( this . canvas , true ) ;
this . eventBus . dispatch ( 'pagerendered' , {
source : this ,
pageNumber : this . id ,
cssTransform : true
} ) ;
return ;
}
if ( ! this . zoomLayer ) {
this . zoomLayer = this . canvas . parentNode ;
this . zoomLayer . style . position = 'absolute' ;
}
}
if ( this . zoomLayer ) {
this . cssTransform ( this . zoomLayer . firstChild ) ;
}
this . reset ( true , true ) ;
} ,
cancelRendering : function PDFPageView _cancelRendering ( ) {
if ( this . paintTask ) {
this . paintTask . cancel ( ) ;
this . paintTask = null ;
}
this . renderingState = _pdf _rendering _queue . RenderingStates . INITIAL ;
this . resume = null ;
if ( this . textLayer ) {
this . textLayer . cancel ( ) ;
this . textLayer = null ;
}
} ,
updatePosition : function PDFPageView _updatePosition ( ) {
if ( this . textLayer ) {
this . textLayer . render ( TEXT _LAYER _RENDER _DELAY ) ;
}
} ,
cssTransform : function PDFPageView _transform ( target , redrawAnnotations ) {
var width = this . viewport . width ;
var height = this . viewport . height ;
var div = this . div ;
target . style . width = target . parentNode . style . width = div . style . width = Math . floor ( width ) + 'px' ;
target . style . height = target . parentNode . style . height = div . style . height = Math . floor ( height ) + 'px' ;
var relativeRotation = this . viewport . rotation - this . paintedViewportMap . get ( target ) . rotation ;
var absRotation = Math . abs ( relativeRotation ) ;
var scaleX = 1 ,
scaleY = 1 ;
if ( absRotation === 90 || absRotation === 270 ) {
scaleX = height / width ;
scaleY = width / height ;
}
var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')' ;
_pdfjs . CustomStyle . setProp ( 'transform' , target , cssTransform ) ;
if ( this . textLayer ) {
var textLayerViewport = this . textLayer . viewport ;
var textRelativeRotation = this . viewport . rotation - textLayerViewport . rotation ;
var textAbsRotation = Math . abs ( textRelativeRotation ) ;
var scale = width / textLayerViewport . width ;
if ( textAbsRotation === 90 || textAbsRotation === 270 ) {
scale = width / textLayerViewport . height ;
}
var textLayerDiv = this . textLayer . textLayerDiv ;
var transX , transY ;
switch ( textAbsRotation ) {
case 0 :
transX = transY = 0 ;
break ;
case 90 :
transX = 0 ;
transY = '-' + textLayerDiv . style . height ;
break ;
case 180 :
transX = '-' + textLayerDiv . style . width ;
transY = '-' + textLayerDiv . style . height ;
break ;
case 270 :
transX = '-' + textLayerDiv . style . width ;
transY = 0 ;
break ;
default :
console . error ( 'Bad rotation value.' ) ;
break ;
}
_pdfjs . CustomStyle . setProp ( 'transform' , textLayerDiv , 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')' ) ;
_pdfjs . CustomStyle . setProp ( 'transformOrigin' , textLayerDiv , '0% 0%' ) ;
}
if ( redrawAnnotations && this . annotationLayer ) {
this . annotationLayer . render ( this . viewport , 'display' ) ;
}
} ,
get width ( ) {
return this . viewport . width ;
} ,
get height ( ) {
return this . viewport . height ;
} ,
getPagePoint : function PDFPageView _getPagePoint ( x , y ) {
return this . viewport . convertToPdfPoint ( x , y ) ;
} ,
draw : function draw ( ) {
var _this = this ;
if ( this . renderingState !== _pdf _rendering _queue . RenderingStates . INITIAL ) {
console . error ( 'Must be in new state before drawing' ) ;
this . reset ( ) ;
}
this . renderingState = _pdf _rendering _queue . RenderingStates . RUNNING ;
var pdfPage = this . pdfPage ;
var div = this . div ;
var canvasWrapper = document . createElement ( 'div' ) ;
canvasWrapper . style . width = div . style . width ;
canvasWrapper . style . height = div . style . height ;
canvasWrapper . classList . add ( 'canvasWrapper' ) ;
if ( this . annotationLayer && this . annotationLayer . div ) {
div . insertBefore ( canvasWrapper , this . annotationLayer . div ) ;
} else {
div . appendChild ( canvasWrapper ) ;
}
var textLayer = null ;
if ( this . textLayerFactory ) {
var textLayerDiv = document . createElement ( 'div' ) ;
textLayerDiv . className = 'textLayer' ;
textLayerDiv . style . width = canvasWrapper . style . width ;
textLayerDiv . style . height = canvasWrapper . style . height ;
if ( this . annotationLayer && this . annotationLayer . div ) {
div . insertBefore ( textLayerDiv , this . annotationLayer . div ) ;
} else {
div . appendChild ( textLayerDiv ) ;
}
textLayer = this . textLayerFactory . createTextLayerBuilder ( textLayerDiv , this . id - 1 , this . viewport , this . enhanceTextSelection ) ;
}
this . textLayer = textLayer ;
var renderContinueCallback = null ;
if ( this . renderingQueue ) {
renderContinueCallback = function renderContinueCallback ( cont ) {
if ( ! _this . renderingQueue . isHighestPriority ( _this ) ) {
_this . renderingState = _pdf _rendering _queue . RenderingStates . PAUSED ;
_this . resume = function ( ) {
_this . renderingState = _pdf _rendering _queue . RenderingStates . RUNNING ;
cont ( ) ;
} ;
return ;
}
cont ( ) ;
} ;
}
var finishPaintTask = function finishPaintTask ( error ) {
if ( paintTask === _this . paintTask ) {
_this . paintTask = null ;
}
if ( error === 'cancelled' || error instanceof _pdfjs . RenderingCancelledException ) {
_this . error = null ;
return Promise . resolve ( undefined ) ;
}
_this . renderingState = _pdf _rendering _queue . RenderingStates . FINISHED ;
if ( _this . loadingIconDiv ) {
div . removeChild ( _this . loadingIconDiv ) ;
delete _this . loadingIconDiv ;
}
_this . _resetZoomLayer ( true ) ;
_this . error = error ;
_this . stats = pdfPage . stats ;
if ( _this . onAfterDraw ) {
_this . onAfterDraw ( ) ;
}
_this . eventBus . dispatch ( 'pagerendered' , {
source : _this ,
pageNumber : _this . id ,
cssTransform : false
} ) ;
if ( error ) {
return Promise . reject ( error ) ;
}
return Promise . resolve ( undefined ) ;
} ;
var paintTask = this . renderer === _ui _utils . RendererType . SVG ? this . paintOnSvg ( canvasWrapper ) : this . paintOnCanvas ( canvasWrapper ) ;
paintTask . onRenderContinue = renderContinueCallback ;
this . paintTask = paintTask ;
var resultPromise = paintTask . promise . then ( function ( ) {
return finishPaintTask ( null ) . then ( function ( ) {
if ( textLayer ) {
pdfPage . getTextContent ( { normalizeWhitespace : true } ) . then ( function textContentResolved ( textContent ) {
textLayer . setTextContent ( textContent ) ;
textLayer . render ( TEXT _LAYER _RENDER _DELAY ) ;
} ) ;
}
} ) ;
} , function ( reason ) {
return finishPaintTask ( reason ) ;
} ) ;
if ( this . annotationLayerFactory ) {
if ( ! this . annotationLayer ) {
this . annotationLayer = this . annotationLayerFactory . createAnnotationLayerBuilder ( div , pdfPage , this . renderInteractiveForms ) ;
}
this . annotationLayer . render ( this . viewport , 'display' ) ;
}
div . setAttribute ( 'data-loaded' , true ) ;
if ( this . onBeforeDraw ) {
this . onBeforeDraw ( ) ;
}
return resultPromise ;
} ,
paintOnCanvas : function paintOnCanvas ( canvasWrapper ) {
var renderCapability = ( 0 , _pdfjs . createPromiseCapability ) ( ) ;
var result = {
promise : renderCapability . promise ,
onRenderContinue : function onRenderContinue ( cont ) {
cont ( ) ;
} ,
cancel : function cancel ( ) {
renderTask . cancel ( ) ;
}
} ;
var viewport = this . viewport ;
var canvas = document . createElement ( 'canvas' ) ;
canvas . id = 'page' + this . id ;
canvas . setAttribute ( 'hidden' , 'hidden' ) ;
var isCanvasHidden = true ;
var showCanvas = function showCanvas ( ) {
if ( isCanvasHidden ) {
canvas . removeAttribute ( 'hidden' ) ;
isCanvasHidden = false ;
}
} ;
canvasWrapper . appendChild ( canvas ) ;
this . canvas = canvas ;
canvas . mozOpaque = true ;
var ctx = canvas . getContext ( '2d' , { alpha : false } ) ;
var outputScale = ( 0 , _ui _utils . getOutputScale ) ( ctx ) ;
this . outputScale = outputScale ;
if ( _pdfjs . PDFJS . useOnlyCssZoom ) {
var actualSizeViewport = viewport . clone ( { scale : _ui _utils . CSS _UNITS } ) ;
outputScale . sx *= actualSizeViewport . width / viewport . width ;
outputScale . sy *= actualSizeViewport . height / viewport . height ;
outputScale . scaled = true ;
}
if ( _pdfjs . PDFJS . maxCanvasPixels > 0 ) {
var pixelsInViewport = viewport . width * viewport . height ;
var maxScale = Math . sqrt ( _pdfjs . PDFJS . maxCanvasPixels / pixelsInViewport ) ;
if ( outputScale . sx > maxScale || outputScale . sy > maxScale ) {
outputScale . sx = maxScale ;
outputScale . sy = maxScale ;
outputScale . scaled = true ;
this . hasRestrictedScaling = true ;
} else {
this . hasRestrictedScaling = false ;
}
}
var sfx = ( 0 , _ui _utils . approximateFraction ) ( outputScale . sx ) ;
var sfy = ( 0 , _ui _utils . approximateFraction ) ( outputScale . sy ) ;
canvas . width = ( 0 , _ui _utils . roundToDivide ) ( viewport . width * outputScale . sx , sfx [ 0 ] ) ;
canvas . height = ( 0 , _ui _utils . roundToDivide ) ( viewport . height * outputScale . sy , sfy [ 0 ] ) ;
canvas . style . width = ( 0 , _ui _utils . roundToDivide ) ( viewport . width , sfx [ 1 ] ) + 'px' ;
canvas . style . height = ( 0 , _ui _utils . roundToDivide ) ( viewport . height , sfy [ 1 ] ) + 'px' ;
this . paintedViewportMap . set ( canvas , viewport ) ;
var transform = ! outputScale . scaled ? null : [ outputScale . sx , 0 , 0 , outputScale . sy , 0 , 0 ] ;
var renderContext = {
canvasContext : ctx ,
transform : transform ,
viewport : this . viewport ,
renderInteractiveForms : this . renderInteractiveForms
} ;
var renderTask = this . pdfPage . render ( renderContext ) ;
renderTask . onContinue = function ( cont ) {
showCanvas ( ) ;
if ( result . onRenderContinue ) {
result . onRenderContinue ( cont ) ;
} else {
cont ( ) ;
}
} ;
renderTask . promise . then ( function ( ) {
showCanvas ( ) ;
renderCapability . resolve ( undefined ) ;
} , function ( error ) {
showCanvas ( ) ;
renderCapability . reject ( error ) ;
} ) ;
return result ;
} ,
paintOnSvg : function paintOnSvg ( wrapper ) {
var _this2 = this ;
var cancelled = false ;
var ensureNotCancelled = function ensureNotCancelled ( ) {
if ( cancelled ) {
if ( _pdfjs . PDFJS . pdfjsNext ) {
throw new _pdfjs . RenderingCancelledException ( 'Rendering cancelled, page ' + _this2 . id , 'svg' ) ;
} else {
throw 'cancelled' ;
}
}
} ;
var pdfPage = this . pdfPage ;
var actualSizeViewport = this . viewport . clone ( { scale : _ui _utils . CSS _UNITS } ) ;
var promise = pdfPage . getOperatorList ( ) . then ( function ( opList ) {
ensureNotCancelled ( ) ;
var svgGfx = new _pdfjs . SVGGraphics ( pdfPage . commonObjs , pdfPage . objs ) ;
return svgGfx . getSVG ( opList , actualSizeViewport ) . then ( function ( svg ) {
ensureNotCancelled ( ) ;
_this2 . svg = svg ;
_this2 . paintedViewportMap . set ( svg , actualSizeViewport ) ;
svg . style . width = wrapper . style . width ;
svg . style . height = wrapper . style . height ;
_this2 . renderingState = _pdf _rendering _queue . RenderingStates . FINISHED ;
wrapper . appendChild ( svg ) ;
} ) ;
} ) ;
return {
promise : promise ,
onRenderContinue : function onRenderContinue ( cont ) {
cont ( ) ;
} ,
cancel : function cancel ( ) {
cancelled = true ;
}
} ;
} ,
setPageLabel : function PDFView _setPageLabel ( label ) {
this . pageLabel = typeof label === 'string' ? label : null ;
if ( this . pageLabel !== null ) {
this . div . setAttribute ( 'data-page-label' , this . pageLabel ) ;
} else {
this . div . removeAttribute ( 'data-page-label' ) ;
}
}
} ;
return PDFPageView ;
} ( ) ;
exports . PDFPageView = PDFPageView ;
/***/ } ) ,
/* 6 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
exports . DefaultTextLayerFactory = exports . TextLayerBuilder = undefined ;
var _dom _events = _ _w _pdfjs _require _ _ ( 2 ) ;
var _pdfjs = _ _w _pdfjs _require _ _ ( 0 ) ;
var EXPAND _DIVS _TIMEOUT = 300 ;
var TextLayerBuilder = function TextLayerBuilderClosure ( ) {
function TextLayerBuilder ( options ) {
this . textLayerDiv = options . textLayerDiv ;
this . eventBus = options . eventBus || ( 0 , _dom _events . getGlobalEventBus ) ( ) ;
this . textContent = null ;
this . renderingDone = false ;
this . pageIdx = options . pageIndex ;
this . pageNumber = this . pageIdx + 1 ;
this . matches = [ ] ;
this . viewport = options . viewport ;
this . textDivs = [ ] ;
this . findController = options . findController || null ;
this . textLayerRenderTask = null ;
this . enhanceTextSelection = options . enhanceTextSelection ;
this . _bindMouse ( ) ;
}
TextLayerBuilder . prototype = {
_finishRendering : function TextLayerBuilder _finishRendering ( ) {
this . renderingDone = true ;
if ( ! this . enhanceTextSelection ) {
var endOfContent = document . createElement ( 'div' ) ;
endOfContent . className = 'endOfContent' ;
this . textLayerDiv . appendChild ( endOfContent ) ;
}
this . eventBus . dispatch ( 'textlayerrendered' , {
source : this ,
pageNumber : this . pageNumber ,
numTextDivs : this . textDivs . length
} ) ;
} ,
render : function TextLayerBuilder _render ( timeout ) {
var _this = this ;
if ( ! this . textContent || this . renderingDone ) {
return ;
}
this . cancel ( ) ;
this . textDivs = [ ] ;
var textLayerFrag = document . createDocumentFragment ( ) ;
this . textLayerRenderTask = ( 0 , _pdfjs . renderTextLayer ) ( {
textContent : this . textContent ,
container : textLayerFrag ,
viewport : this . viewport ,
textDivs : this . textDivs ,
timeout : timeout ,
enhanceTextSelection : this . enhanceTextSelection
} ) ;
this . textLayerRenderTask . promise . then ( function ( ) {
_this . textLayerDiv . appendChild ( textLayerFrag ) ;
_this . _finishRendering ( ) ;
_this . updateMatches ( ) ;
} , function ( reason ) { } ) ;
} ,
cancel : function TextLayerBuilder _cancel ( ) {
if ( this . textLayerRenderTask ) {
this . textLayerRenderTask . cancel ( ) ;
this . textLayerRenderTask = null ;
}
} ,
setTextContent : function TextLayerBuilder _setTextContent ( textContent ) {
this . cancel ( ) ;
this . textContent = textContent ;
} ,
convertMatches : function TextLayerBuilder _convertMatches ( matches , matchesLength ) {
var i = 0 ;
var iIndex = 0 ;
var bidiTexts = this . textContent . items ;
var end = bidiTexts . length - 1 ;
var queryLen = this . findController === null ? 0 : this . findController . state . query . length ;
var ret = [ ] ;
if ( ! matches ) {
return ret ;
}
for ( var m = 0 , len = matches . length ; m < len ; m ++ ) {
var matchIdx = matches [ m ] ;
while ( i !== end && matchIdx >= iIndex + bidiTexts [ i ] . str . length ) {
iIndex += bidiTexts [ i ] . str . length ;
i ++ ;
}
if ( i === bidiTexts . length ) {
console . error ( 'Could not find a matching mapping' ) ;
}
var match = {
begin : {
divIdx : i ,
offset : matchIdx - iIndex
}
} ;
if ( matchesLength ) {
matchIdx += matchesLength [ m ] ;
} else {
matchIdx += queryLen ;
}
while ( i !== end && matchIdx > iIndex + bidiTexts [ i ] . str . length ) {
iIndex += bidiTexts [ i ] . str . length ;
i ++ ;
}
match . end = {
divIdx : i ,
offset : matchIdx - iIndex
} ;
ret . push ( match ) ;
}
return ret ;
} ,
renderMatches : function TextLayerBuilder _renderMatches ( matches ) {
if ( matches . length === 0 ) {
return ;
}
var bidiTexts = this . textContent . items ;
var textDivs = this . textDivs ;
var prevEnd = null ;
var pageIdx = this . pageIdx ;
var isSelectedPage = this . findController === null ? false : pageIdx === this . findController . selected . pageIdx ;
var selectedMatchIdx = this . findController === null ? - 1 : this . findController . selected . matchIdx ;
var highlightAll = this . findController === null ? false : this . findController . state . highlightAll ;
var infinity = {
divIdx : - 1 ,
offset : undefined
} ;
function beginText ( begin , className ) {
var divIdx = begin . divIdx ;
textDivs [ divIdx ] . textContent = '' ;
appendTextToDiv ( divIdx , 0 , begin . offset , className ) ;
}
function appendTextToDiv ( divIdx , fromOffset , toOffset , className ) {
var div = textDivs [ divIdx ] ;
var content = bidiTexts [ divIdx ] . str . substring ( fromOffset , toOffset ) ;
var node = document . createTextNode ( content ) ;
if ( className ) {
var span = document . createElement ( 'span' ) ;
span . className = className ;
span . appendChild ( node ) ;
div . appendChild ( span ) ;
return ;
}
div . appendChild ( node ) ;
}
var i0 = selectedMatchIdx ,
i1 = i0 + 1 ;
if ( highlightAll ) {
i0 = 0 ;
i1 = matches . length ;
} else if ( ! isSelectedPage ) {
return ;
}
for ( var i = i0 ; i < i1 ; i ++ ) {
var match = matches [ i ] ;
var begin = match . begin ;
var end = match . end ;
var isSelected = isSelectedPage && i === selectedMatchIdx ;
var highlightSuffix = isSelected ? ' selected' : '' ;
if ( this . findController ) {
this . findController . updateMatchPosition ( pageIdx , i , textDivs , begin . divIdx ) ;
}
if ( ! prevEnd || begin . divIdx !== prevEnd . divIdx ) {
if ( prevEnd !== null ) {
appendTextToDiv ( prevEnd . divIdx , prevEnd . offset , infinity . offset ) ;
}
beginText ( begin ) ;
} else {
appendTextToDiv ( prevEnd . divIdx , prevEnd . offset , begin . offset ) ;
}
if ( begin . divIdx === end . divIdx ) {
appendTextToDiv ( begin . divIdx , begin . offset , end . offset , 'highlight' + highlightSuffix ) ;
} else {
appendTextToDiv ( begin . divIdx , begin . offset , infinity . offset , 'highlight begin' + highlightSuffix ) ;
for ( var n0 = begin . divIdx + 1 , n1 = end . divIdx ; n0 < n1 ; n0 ++ ) {
textDivs [ n0 ] . className = 'highlight middle' + highlightSuffix ;
}
beginText ( end , 'highlight end' + highlightSuffix ) ;
}
prevEnd = end ;
}
if ( prevEnd ) {
appendTextToDiv ( prevEnd . divIdx , prevEnd . offset , infinity . offset ) ;
}
} ,
updateMatches : function TextLayerBuilder _updateMatches ( ) {
if ( ! this . renderingDone ) {
return ;
}
var matches = this . matches ;
var textDivs = this . textDivs ;
var bidiTexts = this . textContent . items ;
var clearedUntilDivIdx = - 1 ;
for ( var i = 0 , len = matches . length ; i < len ; i ++ ) {
var match = matches [ i ] ;
var begin = Math . max ( clearedUntilDivIdx , match . begin . divIdx ) ;
for ( var n = begin , end = match . end . divIdx ; n <= end ; n ++ ) {
var div = textDivs [ n ] ;
div . textContent = bidiTexts [ n ] . str ;
div . className = '' ;
}
clearedUntilDivIdx = match . end . divIdx + 1 ;
}
if ( this . findController === null || ! this . findController . active ) {
return ;
}
var pageMatches , pageMatchesLength ;
if ( this . findController !== null ) {
pageMatches = this . findController . pageMatches [ this . pageIdx ] || null ;
pageMatchesLength = this . findController . pageMatchesLength ? this . findController . pageMatchesLength [ this . pageIdx ] || null : null ;
}
this . matches = this . convertMatches ( pageMatches , pageMatchesLength ) ;
this . renderMatches ( this . matches ) ;
} ,
_bindMouse : function TextLayerBuilder _bindMouse ( ) {
var div = this . textLayerDiv ;
var self = this ;
var expandDivsTimer = null ;
div . addEventListener ( 'mousedown' , function ( e ) {
if ( self . enhanceTextSelection && self . textLayerRenderTask ) {
self . textLayerRenderTask . expandTextDivs ( true ) ;
if ( expandDivsTimer ) {
clearTimeout ( expandDivsTimer ) ;
expandDivsTimer = null ;
}
return ;
}
var end = div . querySelector ( '.endOfContent' ) ;
if ( ! end ) {
return ;
}
var adjustTop = e . target !== div ;
adjustTop = adjustTop && window . getComputedStyle ( end ) . getPropertyValue ( '-moz-user-select' ) !== 'none' ;
if ( adjustTop ) {
var divBounds = div . getBoundingClientRect ( ) ;
var r = Math . max ( 0 , ( e . pageY - divBounds . top ) / divBounds . height ) ;
end . style . top = ( r * 100 ) . toFixed ( 2 ) + '%' ;
}
end . classList . add ( 'active' ) ;
} ) ;
div . addEventListener ( 'mouseup' , function ( e ) {
if ( self . enhanceTextSelection && self . textLayerRenderTask ) {
expandDivsTimer = setTimeout ( function ( ) {
if ( self . textLayerRenderTask ) {
self . textLayerRenderTask . expandTextDivs ( false ) ;
}
expandDivsTimer = null ;
} , EXPAND _DIVS _TIMEOUT ) ;
return ;
}
var end = div . querySelector ( '.endOfContent' ) ;
if ( ! end ) {
return ;
}
end . style . top = '' ;
end . classList . remove ( 'active' ) ;
} ) ;
}
} ;
return TextLayerBuilder ;
} ( ) ;
function DefaultTextLayerFactory ( ) { }
DefaultTextLayerFactory . prototype = {
createTextLayerBuilder : function createTextLayerBuilder ( textLayerDiv , pageIndex , viewport ) {
var enhanceTextSelection = arguments . length > 3 && arguments [ 3 ] !== undefined ? arguments [ 3 ] : false ;
return new TextLayerBuilder ( {
textLayerDiv : textLayerDiv ,
pageIndex : pageIndex ,
viewport : viewport ,
enhanceTextSelection : enhanceTextSelection
} ) ;
}
} ;
exports . TextLayerBuilder = TextLayerBuilder ;
exports . DefaultTextLayerFactory = DefaultTextLayerFactory ;
/***/ } ) ,
/* 7 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
var _createClass = function ( ) { function defineProperties ( target , props ) { for ( var i = 0 ; i < props . length ; i ++ ) { var descriptor = props [ i ] ; descriptor . enumerable = descriptor . enumerable || false ; descriptor . configurable = true ; if ( "value" in descriptor ) descriptor . writable = true ; Object . defineProperty ( target , descriptor . key , descriptor ) ; } } return function ( Constructor , protoProps , staticProps ) { if ( protoProps ) defineProperties ( Constructor . prototype , protoProps ) ; if ( staticProps ) defineProperties ( Constructor , staticProps ) ; return Constructor ; } ; } ( ) ;
function _classCallCheck ( instance , Constructor ) { if ( ! ( instance instanceof Constructor ) ) { throw new TypeError ( "Cannot call a class as a function" ) ; } }
var CLEANUP _TIMEOUT = 30000 ;
var RenderingStates = {
INITIAL : 0 ,
RUNNING : 1 ,
PAUSED : 2 ,
FINISHED : 3
} ;
var PDFRenderingQueue = function ( ) {
function PDFRenderingQueue ( ) {
_classCallCheck ( this , PDFRenderingQueue ) ;
this . pdfViewer = null ;
this . pdfThumbnailViewer = null ;
this . onIdle = null ;
this . highestPriorityPage = null ;
this . idleTimeout = null ;
this . printing = false ;
this . isThumbnailViewEnabled = false ;
}
_createClass ( PDFRenderingQueue , [ {
key : "setViewer" ,
value : function setViewer ( pdfViewer ) {
this . pdfViewer = pdfViewer ;
}
} , {
key : "setThumbnailViewer" ,
value : function setThumbnailViewer ( pdfThumbnailViewer ) {
this . pdfThumbnailViewer = pdfThumbnailViewer ;
}
} , {
key : "isHighestPriority" ,
value : function isHighestPriority ( view ) {
return this . highestPriorityPage === view . renderingId ;
}
} , {
key : "renderHighestPriority" ,
value : function renderHighestPriority ( currentlyVisiblePages ) {
if ( this . idleTimeout ) {
clearTimeout ( this . idleTimeout ) ;
this . idleTimeout = null ;
}
if ( this . pdfViewer . forceRendering ( currentlyVisiblePages ) ) {
return ;
}
if ( this . pdfThumbnailViewer && this . isThumbnailViewEnabled ) {
if ( this . pdfThumbnailViewer . forceRendering ( ) ) {
return ;
}
}
if ( this . printing ) {
return ;
}
if ( this . onIdle ) {
this . idleTimeout = setTimeout ( this . onIdle . bind ( this ) , CLEANUP _TIMEOUT ) ;
}
}
} , {
key : "getHighestPriority" ,
value : function getHighestPriority ( visible , views , scrolledDown ) {
var visibleViews = visible . views ;
var numVisible = visibleViews . length ;
if ( numVisible === 0 ) {
return false ;
}
for ( var i = 0 ; i < numVisible ; ++ i ) {
var view = visibleViews [ i ] . view ;
if ( ! this . isViewFinished ( view ) ) {
return view ;
}
}
if ( scrolledDown ) {
var nextPageIndex = visible . last . id ;
if ( views [ nextPageIndex ] && ! this . isViewFinished ( views [ nextPageIndex ] ) ) {
return views [ nextPageIndex ] ;
}
} else {
var previousPageIndex = visible . first . id - 2 ;
if ( views [ previousPageIndex ] && ! this . isViewFinished ( views [ previousPageIndex ] ) ) {
return views [ previousPageIndex ] ;
}
}
return null ;
}
} , {
key : "isViewFinished" ,
value : function isViewFinished ( view ) {
return view . renderingState === RenderingStates . FINISHED ;
}
} , {
key : "renderView" ,
value : function renderView ( view ) {
var _this = this ;
switch ( view . renderingState ) {
case RenderingStates . FINISHED :
return false ;
case RenderingStates . PAUSED :
this . highestPriorityPage = view . renderingId ;
view . resume ( ) ;
break ;
case RenderingStates . RUNNING :
this . highestPriorityPage = view . renderingId ;
break ;
case RenderingStates . INITIAL :
this . highestPriorityPage = view . renderingId ;
var continueRendering = function continueRendering ( ) {
_this . renderHighestPriority ( ) ;
} ;
view . draw ( ) . then ( continueRendering , continueRendering ) ;
break ;
}
return true ;
}
} ] ) ;
return PDFRenderingQueue ;
} ( ) ;
exports . RenderingStates = RenderingStates ;
exports . PDFRenderingQueue = PDFRenderingQueue ;
/***/ } ) ,
/* 8 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
exports . DownloadManager = undefined ;
var _pdfjs = _ _w _pdfjs _require _ _ ( 0 ) ;
;
function download ( blobUrl , filename ) {
var a = document . createElement ( 'a' ) ;
if ( a . click ) {
a . href = blobUrl ;
a . target = '_parent' ;
if ( 'download' in a ) {
a . download = filename ;
}
( document . body || document . documentElement ) . appendChild ( a ) ;
a . click ( ) ;
a . parentNode . removeChild ( a ) ;
} else {
if ( window . top === window && blobUrl . split ( '#' ) [ 0 ] === window . location . href . split ( '#' ) [ 0 ] ) {
var padCharacter = blobUrl . indexOf ( '?' ) === - 1 ? '?' : '&' ;
blobUrl = blobUrl . replace ( /#|$/ , padCharacter + '$&' ) ;
}
window . open ( blobUrl , '_parent' ) ;
}
}
function DownloadManager ( ) { }
DownloadManager . prototype = {
downloadUrl : function DownloadManager _downloadUrl ( url , filename ) {
if ( ! ( 0 , _pdfjs . createValidAbsoluteUrl ) ( url , 'http://example.com' ) ) {
return ;
}
download ( url + '#pdfjs.action=download' , filename ) ;
} ,
downloadData : function DownloadManager _downloadData ( data , filename , contentType ) {
if ( navigator . msSaveBlob ) {
return navigator . msSaveBlob ( new Blob ( [ data ] , { type : contentType } ) , filename ) ;
}
var blobUrl = ( 0 , _pdfjs . createObjectURL ) ( data , contentType , _pdfjs . PDFJS . disableCreateObjectURL ) ;
download ( blobUrl , filename ) ;
} ,
download : function DownloadManager _download ( blob , url , filename ) {
if ( navigator . msSaveBlob ) {
if ( ! navigator . msSaveBlob ( blob , filename ) ) {
this . downloadUrl ( url , filename ) ;
}
return ;
}
if ( _pdfjs . PDFJS . disableCreateObjectURL ) {
this . downloadUrl ( url , filename ) ;
return ;
}
var blobUrl = URL . createObjectURL ( blob ) ;
download ( blobUrl , filename ) ;
}
} ;
exports . DownloadManager = DownloadManager ;
/***/ } ) ,
/* 9 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
exports . PDFFindController = exports . FindStates = undefined ;
var _pdfjs = _ _w _pdfjs _require _ _ ( 0 ) ;
var _ui _utils = _ _w _pdfjs _require _ _ ( 1 ) ;
var FindStates = {
FIND _FOUND : 0 ,
FIND _NOTFOUND : 1 ,
FIND _WRAPPED : 2 ,
FIND _PENDING : 3
} ;
var FIND _SCROLL _OFFSET _TOP = - 50 ;
var FIND _SCROLL _OFFSET _LEFT = - 400 ;
var CHARACTERS _TO _NORMALIZE = {
'\u2018' : '\'' ,
'\u2019' : '\'' ,
'\u201A' : '\'' ,
'\u201B' : '\'' ,
'\u201C' : '"' ,
'\u201D' : '"' ,
'\u201E' : '"' ,
'\u201F' : '"' ,
'\xBC' : '1/4' ,
'\xBD' : '1/2' ,
'\xBE' : '3/4'
} ;
var PDFFindController = function PDFFindControllerClosure ( ) {
function PDFFindController ( options ) {
this . pdfViewer = options . pdfViewer || null ;
this . onUpdateResultsCount = null ;
this . onUpdateState = null ;
this . reset ( ) ;
var replace = Object . keys ( CHARACTERS _TO _NORMALIZE ) . join ( '' ) ;
this . normalizationRegex = new RegExp ( '[' + replace + ']' , 'g' ) ;
}
PDFFindController . prototype = {
reset : function PDFFindController _reset ( ) {
var _this = this ;
this . startedTextExtraction = false ;
this . extractTextPromises = [ ] ;
this . pendingFindMatches = Object . create ( null ) ;
this . active = false ;
this . pageContents = [ ] ;
this . pageMatches = [ ] ;
this . pageMatchesLength = null ;
this . matchCount = 0 ;
this . selected = {
pageIdx : - 1 ,
matchIdx : - 1
} ;
this . offset = {
pageIdx : null ,
matchIdx : null
} ;
this . pagesToSearch = null ;
this . resumePageIdx = null ;
this . state = null ;
this . dirtyMatch = false ;
this . findTimeout = null ;
this . _firstPagePromise = new Promise ( function ( resolve ) {
_this . resolveFirstPage = resolve ;
} ) ;
} ,
normalize : function PDFFindController _normalize ( text ) {
return text . replace ( this . normalizationRegex , function ( ch ) {
return CHARACTERS _TO _NORMALIZE [ ch ] ;
} ) ;
} ,
_prepareMatches : function PDFFindController _prepareMatches ( matchesWithLength , matches , matchesLength ) {
function isSubTerm ( matchesWithLength , currentIndex ) {
var currentElem , prevElem , nextElem ;
currentElem = matchesWithLength [ currentIndex ] ;
nextElem = matchesWithLength [ currentIndex + 1 ] ;
if ( currentIndex < matchesWithLength . length - 1 && currentElem . match === nextElem . match ) {
currentElem . skipped = true ;
return true ;
}
for ( var i = currentIndex - 1 ; i >= 0 ; i -- ) {
prevElem = matchesWithLength [ i ] ;
if ( prevElem . skipped ) {
continue ;
}
if ( prevElem . match + prevElem . matchLength < currentElem . match ) {
break ;
}
if ( prevElem . match + prevElem . matchLength >= currentElem . match + currentElem . matchLength ) {
currentElem . skipped = true ;
return true ;
}
}
return false ;
}
var i , len ;
matchesWithLength . sort ( function ( a , b ) {
return a . match === b . match ? a . matchLength - b . matchLength : a . match - b . match ;
} ) ;
for ( i = 0 , len = matchesWithLength . length ; i < len ; i ++ ) {
if ( isSubTerm ( matchesWithLength , i ) ) {
continue ;
}
matches . push ( matchesWithLength [ i ] . match ) ;
matchesLength . push ( matchesWithLength [ i ] . matchLength ) ;
}
} ,
calcFindPhraseMatch : function PDFFindController _calcFindPhraseMatch ( query , pageIndex , pageContent ) {
var matches = [ ] ;
var queryLen = query . length ;
var matchIdx = - queryLen ;
while ( true ) {
matchIdx = pageContent . indexOf ( query , matchIdx + queryLen ) ;
if ( matchIdx === - 1 ) {
break ;
}
matches . push ( matchIdx ) ;
}
this . pageMatches [ pageIndex ] = matches ;
} ,
calcFindWordMatch : function PDFFindController _calcFindWordMatch ( query , pageIndex , pageContent ) {
var matchesWithLength = [ ] ;
var queryArray = query . match ( /\S+/g ) ;
var subquery , subqueryLen , matchIdx ;
for ( var i = 0 , len = queryArray . length ; i < len ; i ++ ) {
subquery = queryArray [ i ] ;
subqueryLen = subquery . length ;
matchIdx = - subqueryLen ;
while ( true ) {
matchIdx = pageContent . indexOf ( subquery , matchIdx + subqueryLen ) ;
if ( matchIdx === - 1 ) {
break ;
}
matchesWithLength . push ( {
match : matchIdx ,
matchLength : subqueryLen ,
skipped : false
} ) ;
}
}
if ( ! this . pageMatchesLength ) {
this . pageMatchesLength = [ ] ;
}
this . pageMatchesLength [ pageIndex ] = [ ] ;
this . pageMatches [ pageIndex ] = [ ] ;
this . _prepareMatches ( matchesWithLength , this . pageMatches [ pageIndex ] , this . pageMatchesLength [ pageIndex ] ) ;
} ,
calcFindMatch : function PDFFindController _calcFindMatch ( pageIndex ) {
var pageContent = this . normalize ( this . pageContents [ pageIndex ] ) ;
var query = this . normalize ( this . state . query ) ;
var caseSensitive = this . state . caseSensitive ;
var phraseSearch = this . state . phraseSearch ;
var queryLen = query . length ;
if ( queryLen === 0 ) {
return ;
}
if ( ! caseSensitive ) {
pageContent = pageContent . toLowerCase ( ) ;
query = query . toLowerCase ( ) ;
}
if ( phraseSearch ) {
this . calcFindPhraseMatch ( query , pageIndex , pageContent ) ;
} else {
this . calcFindWordMatch ( query , pageIndex , pageContent ) ;
}
this . updatePage ( pageIndex ) ;
if ( this . resumePageIdx === pageIndex ) {
this . resumePageIdx = null ;
this . nextPageMatch ( ) ;
}
if ( this . pageMatches [ pageIndex ] . length > 0 ) {
this . matchCount += this . pageMatches [ pageIndex ] . length ;
this . updateUIResultsCount ( ) ;
}
} ,
extractText : function extractText ( ) {
var _this2 = this ;
if ( this . startedTextExtraction ) {
return ;
}
this . startedTextExtraction = true ;
this . pageContents . length = 0 ;
var promise = Promise . resolve ( ) ;
var _loop = function _loop ( i , ii ) {
var extractTextCapability = ( 0 , _pdfjs . createPromiseCapability ) ( ) ;
_this2 . extractTextPromises [ i ] = extractTextCapability . promise ;
promise = promise . then ( function ( ) {
return _this2 . pdfViewer . getPageTextContent ( i ) . then ( function ( textContent ) {
var textItems = textContent . items ;
var strBuf = [ ] ;
for ( var j = 0 , jj = textItems . length ; j < jj ; j ++ ) {
strBuf . push ( textItems [ j ] . str ) ;
}
_this2 . pageContents [ i ] = strBuf . join ( '' ) ;
extractTextCapability . resolve ( i ) ;
} ) ;
} ) ;
} ;
for ( var i = 0 , ii = this . pdfViewer . pagesCount ; i < ii ; i ++ ) {
_loop ( i , ii ) ;
}
} ,
executeCommand : function PDFFindController _executeCommand ( cmd , state ) {
var _this3 = this ;
if ( this . state === null || cmd !== 'findagain' ) {
this . dirtyMatch = true ;
}
this . state = state ;
this . updateUIState ( FindStates . FIND _PENDING ) ;
this . _firstPagePromise . then ( function ( ) {
_this3 . extractText ( ) ;
clearTimeout ( _this3 . findTimeout ) ;
if ( cmd === 'find' ) {
_this3 . findTimeout = setTimeout ( _this3 . nextMatch . bind ( _this3 ) , 250 ) ;
} else {
_this3 . nextMatch ( ) ;
}
} ) ;
} ,
updatePage : function PDFFindController _updatePage ( index ) {
if ( this . selected . pageIdx === index ) {
this . pdfViewer . currentPageNumber = index + 1 ;
}
var page = this . pdfViewer . getPageView ( index ) ;
if ( page . textLayer ) {
page . textLayer . updateMatches ( ) ;
}
} ,
nextMatch : function PDFFindController _nextMatch ( ) {
var _this4 = this ;
var previous = this . state . findPrevious ;
var currentPageIndex = this . pdfViewer . currentPageNumber - 1 ;
var numPages = this . pdfViewer . pagesCount ;
this . active = true ;
if ( this . dirtyMatch ) {
this . dirtyMatch = false ;
this . selected . pageIdx = this . selected . matchIdx = - 1 ;
this . offset . pageIdx = currentPageIndex ;
this . offset . matchIdx = null ;
this . hadMatch = false ;
this . resumePageIdx = null ;
this . pageMatches = [ ] ;
this . matchCount = 0 ;
this . pageMatchesLength = null ;
for ( var i = 0 ; i < numPages ; i ++ ) {
this . updatePage ( i ) ;
if ( ! ( i in this . pendingFindMatches ) ) {
this . pendingFindMatches [ i ] = true ;
this . extractTextPromises [ i ] . then ( function ( pageIdx ) {
delete _this4 . pendingFindMatches [ pageIdx ] ;
_this4 . calcFindMatch ( pageIdx ) ;
} ) ;
}
}
}
if ( this . state . query === '' ) {
this . updateUIState ( FindStates . FIND _FOUND ) ;
return ;
}
if ( this . resumePageIdx ) {
return ;
}
var offset = this . offset ;
this . pagesToSearch = numPages ;
if ( offset . matchIdx !== null ) {
var numPageMatches = this . pageMatches [ offset . pageIdx ] . length ;
if ( ! previous && offset . matchIdx + 1 < numPageMatches || previous && offset . matchIdx > 0 ) {
this . hadMatch = true ;
offset . matchIdx = previous ? offset . matchIdx - 1 : offset . matchIdx + 1 ;
this . updateMatch ( true ) ;
return ;
}
this . advanceOffsetPage ( previous ) ;
}
this . nextPageMatch ( ) ;
} ,
matchesReady : function PDFFindController _matchesReady ( matches ) {
var offset = this . offset ;
var numMatches = matches . length ;
var previous = this . state . findPrevious ;
if ( numMatches ) {
this . hadMatch = true ;
offset . matchIdx = previous ? numMatches - 1 : 0 ;
this . updateMatch ( true ) ;
return true ;
}
this . advanceOffsetPage ( previous ) ;
if ( offset . wrapped ) {
offset . matchIdx = null ;
if ( this . pagesToSearch < 0 ) {
this . updateMatch ( false ) ;
return true ;
}
}
return false ;
} ,
updateMatchPosition : function PDFFindController _updateMatchPosition ( pageIndex , index , elements , beginIdx ) {
if ( this . selected . matchIdx === index && this . selected . pageIdx === pageIndex ) {
var spot = {
top : FIND _SCROLL _OFFSET _TOP ,
left : FIND _SCROLL _OFFSET _LEFT
} ;
( 0 , _ui _utils . scrollIntoView ) ( elements [ beginIdx ] , spot , true ) ;
}
} ,
nextPageMatch : function PDFFindController _nextPageMatch ( ) {
if ( this . resumePageIdx !== null ) {
console . error ( 'There can only be one pending page.' ) ;
}
do {
var pageIdx = this . offset . pageIdx ;
var matches = this . pageMatches [ pageIdx ] ;
if ( ! matches ) {
this . resumePageIdx = pageIdx ;
break ;
}
} while ( ! this . matchesReady ( matches ) ) ;
} ,
advanceOffsetPage : function PDFFindController _advanceOffsetPage ( previous ) {
var offset = this . offset ;
var numPages = this . extractTextPromises . length ;
offset . pageIdx = previous ? offset . pageIdx - 1 : offset . pageIdx + 1 ;
offset . matchIdx = null ;
this . pagesToSearch -- ;
if ( offset . pageIdx >= numPages || offset . pageIdx < 0 ) {
offset . pageIdx = previous ? numPages - 1 : 0 ;
offset . wrapped = true ;
}
} ,
updateMatch : function PDFFindController _updateMatch ( found ) {
var state = FindStates . FIND _NOTFOUND ;
var wrapped = this . offset . wrapped ;
this . offset . wrapped = false ;
if ( found ) {
var previousPage = this . selected . pageIdx ;
this . selected . pageIdx = this . offset . pageIdx ;
this . selected . matchIdx = this . offset . matchIdx ;
state = wrapped ? FindStates . FIND _WRAPPED : FindStates . FIND _FOUND ;
if ( previousPage !== - 1 && previousPage !== this . selected . pageIdx ) {
this . updatePage ( previousPage ) ;
}
}
this . updateUIState ( state , this . state . findPrevious ) ;
if ( this . selected . pageIdx !== - 1 ) {
this . updatePage ( this . selected . pageIdx ) ;
}
} ,
updateUIResultsCount : function PDFFindController _updateUIResultsCount ( ) {
if ( this . onUpdateResultsCount ) {
this . onUpdateResultsCount ( this . matchCount ) ;
}
} ,
updateUIState : function PDFFindController _updateUIState ( state , previous ) {
if ( this . onUpdateState ) {
this . onUpdateState ( state , previous , this . matchCount ) ;
}
}
} ;
return PDFFindController ;
} ( ) ;
exports . FindStates = FindStates ;
exports . PDFFindController = PDFFindController ;
/***/ } ) ,
/* 10 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
exports . PDFHistory = undefined ;
var _dom _events = _ _w _pdfjs _require _ _ ( 2 ) ;
function PDFHistory ( options ) {
this . linkService = options . linkService ;
this . eventBus = options . eventBus || ( 0 , _dom _events . getGlobalEventBus ) ( ) ;
this . initialized = false ;
this . initialDestination = null ;
this . initialBookmark = null ;
}
PDFHistory . prototype = {
initialize : function pdfHistoryInitialize ( fingerprint ) {
this . initialized = true ;
this . reInitialized = false ;
this . allowHashChange = true ;
this . historyUnlocked = true ;
this . isViewerInPresentationMode = false ;
this . previousHash = window . location . hash . substring ( 1 ) ;
this . currentBookmark = '' ;
this . currentPage = 0 ;
this . updatePreviousBookmark = false ;
this . previousBookmark = '' ;
this . previousPage = 0 ;
this . nextHashParam = '' ;
this . fingerprint = fingerprint ;
this . currentUid = this . uid = 0 ;
this . current = { } ;
var state = window . history . state ;
if ( this . _isStateObjectDefined ( state ) ) {
if ( state . target . dest ) {
this . initialDestination = state . target . dest ;
} else {
this . initialBookmark = state . target . hash ;
}
this . currentUid = state . uid ;
this . uid = state . uid + 1 ;
this . current = state . target ;
} else {
if ( state && state . fingerprint && this . fingerprint !== state . fingerprint ) {
this . reInitialized = true ;
}
this . _pushOrReplaceState ( { fingerprint : this . fingerprint } , true ) ;
}
var self = this ;
window . addEventListener ( 'popstate' , function pdfHistoryPopstate ( evt ) {
if ( ! self . historyUnlocked ) {
return ;
}
if ( evt . state ) {
self . _goTo ( evt . state ) ;
return ;
}
if ( self . uid === 0 ) {
var previousParams = self . previousHash && self . currentBookmark && self . previousHash !== self . currentBookmark ? {
hash : self . currentBookmark ,
page : self . currentPage
} : { page : 1 } ;
replacePreviousHistoryState ( previousParams , function ( ) {
updateHistoryWithCurrentHash ( ) ;
} ) ;
} else {
updateHistoryWithCurrentHash ( ) ;
}
} ) ;
function updateHistoryWithCurrentHash ( ) {
self . previousHash = window . location . hash . slice ( 1 ) ;
self . _pushToHistory ( { hash : self . previousHash } , false , true ) ;
self . _updatePreviousBookmark ( ) ;
}
function replacePreviousHistoryState ( params , callback ) {
self . historyUnlocked = false ;
self . allowHashChange = false ;
window . addEventListener ( 'popstate' , rewriteHistoryAfterBack ) ;
history . back ( ) ;
function rewriteHistoryAfterBack ( ) {
window . removeEventListener ( 'popstate' , rewriteHistoryAfterBack ) ;
window . addEventListener ( 'popstate' , rewriteHistoryAfterForward ) ;
self . _pushToHistory ( params , false , true ) ;
history . forward ( ) ;
}
function rewriteHistoryAfterForward ( ) {
window . removeEventListener ( 'popstate' , rewriteHistoryAfterForward ) ;
self . allowHashChange = true ;
self . historyUnlocked = true ;
callback ( ) ;
}
}
function pdfHistoryBeforeUnload ( ) {
var previousParams = self . _getPreviousParams ( null , true ) ;
if ( previousParams ) {
var replacePrevious = ! self . current . dest && self . current . hash !== self . previousHash ;
self . _pushToHistory ( previousParams , false , replacePrevious ) ;
self . _updatePreviousBookmark ( ) ;
}
window . removeEventListener ( 'beforeunload' , pdfHistoryBeforeUnload ) ;
}
window . addEventListener ( 'beforeunload' , pdfHistoryBeforeUnload ) ;
window . addEventListener ( 'pageshow' , function pdfHistoryPageShow ( evt ) {
window . addEventListener ( 'beforeunload' , pdfHistoryBeforeUnload ) ;
} ) ;
self . eventBus . on ( 'presentationmodechanged' , function ( e ) {
self . isViewerInPresentationMode = e . active ;
} ) ;
} ,
clearHistoryState : function pdfHistory _clearHistoryState ( ) {
this . _pushOrReplaceState ( null , true ) ;
} ,
_isStateObjectDefined : function pdfHistory _isStateObjectDefined ( state ) {
return state && state . uid >= 0 && state . fingerprint && this . fingerprint === state . fingerprint && state . target && state . target . hash ? true : false ;
} ,
_pushOrReplaceState : function pdfHistory _pushOrReplaceState ( stateObj , replace ) {
if ( replace ) {
window . history . replaceState ( stateObj , '' , document . URL ) ;
} else {
window . history . pushState ( stateObj , '' , document . URL ) ;
}
} ,
get isHashChangeUnlocked ( ) {
if ( ! this . initialized ) {
return true ;
}
return this . allowHashChange ;
} ,
_updatePreviousBookmark : function pdfHistory _updatePreviousBookmark ( ) {
if ( this . updatePreviousBookmark && this . currentBookmark && this . currentPage ) {
this . previousBookmark = this . currentBookmark ;
this . previousPage = this . currentPage ;
this . updatePreviousBookmark = false ;
}
} ,
updateCurrentBookmark : function pdfHistoryUpdateCurrentBookmark ( bookmark , pageNum ) {
if ( this . initialized ) {
this . currentBookmark = bookmark . substring ( 1 ) ;
this . currentPage = pageNum | 0 ;
this . _updatePreviousBookmark ( ) ;
}
} ,
updateNextHashParam : function pdfHistoryUpdateNextHashParam ( param ) {
if ( this . initialized ) {
this . nextHashParam = param ;
}
} ,
push : function pdfHistoryPush ( params , isInitialBookmark ) {
if ( ! ( this . initialized && this . historyUnlocked ) ) {
return ;
}
if ( params . dest && ! params . hash ) {
params . hash = this . current . hash && this . current . dest && this . current . dest === params . dest ? this . current . hash : this . linkService . getDestinationHash ( params . dest ) . split ( '#' ) [ 1 ] ;
}
if ( params . page ) {
params . page |= 0 ;
}
if ( isInitialBookmark ) {
var target = window . history . state . target ;
if ( ! target ) {
this . _pushToHistory ( params , false ) ;
this . previousHash = window . location . hash . substring ( 1 ) ;
}
this . updatePreviousBookmark = this . nextHashParam ? false : true ;
if ( target ) {
this . _updatePreviousBookmark ( ) ;
}
return ;
}
if ( this . nextHashParam ) {
if ( this . nextHashParam === params . hash ) {
this . nextHashParam = null ;
this . updatePreviousBookmark = true ;
return ;
}
this . nextHashParam = null ;
}
if ( params . hash ) {
if ( this . current . hash ) {
if ( this . current . hash !== params . hash ) {
this . _pushToHistory ( params , true ) ;
} else {
if ( ! this . current . page && params . page ) {
this . _pushToHistory ( params , false , true ) ;
}
this . updatePreviousBookmark = true ;
}
} else {
this . _pushToHistory ( params , true ) ;
}
} else if ( this . current . page && params . page && this . current . page !== params . page ) {
this . _pushToHistory ( params , true ) ;
}
} ,
_getPreviousParams : function pdfHistory _getPreviousParams ( onlyCheckPage , beforeUnload ) {
if ( ! ( this . currentBookmark && this . currentPage ) ) {
return null ;
} else if ( this . updatePreviousBookmark ) {
this . updatePreviousBookmark = false ;
}
if ( this . uid > 0 && ! ( this . previousBookmark && this . previousPage ) ) {
return null ;
}
if ( ! this . current . dest && ! onlyCheckPage || beforeUnload ) {
if ( this . previousBookmark === this . currentBookmark ) {
return null ;
}
} else if ( this . current . page || onlyCheckPage ) {
if ( this . previousPage === this . currentPage ) {
return null ;
}
} else {
return null ;
}
var params = {
hash : this . currentBookmark ,
page : this . currentPage
} ;
if ( this . isViewerInPresentationMode ) {
params . hash = null ;
}
return params ;
} ,
_stateObj : function pdfHistory _stateObj ( params ) {
return {
fingerprint : this . fingerprint ,
uid : this . uid ,
target : params
} ;
} ,
_pushToHistory : function pdfHistory _pushToHistory ( params , addPrevious , overwrite ) {
if ( ! this . initialized ) {
return ;
}
if ( ! params . hash && params . page ) {
params . hash = 'page=' + params . page ;
}
if ( addPrevious && ! overwrite ) {
var previousParams = this . _getPreviousParams ( ) ;
if ( previousParams ) {
var replacePrevious = ! this . current . dest && this . current . hash !== this . previousHash ;
this . _pushToHistory ( previousParams , false , replacePrevious ) ;
}
}
this . _pushOrReplaceState ( this . _stateObj ( params ) , overwrite || this . uid === 0 ) ;
this . currentUid = this . uid ++ ;
this . current = params ;
this . updatePreviousBookmark = true ;
} ,
_goTo : function pdfHistory _goTo ( state ) {
if ( ! ( this . initialized && this . historyUnlocked && this . _isStateObjectDefined ( state ) ) ) {
return ;
}
if ( ! this . reInitialized && state . uid < this . currentUid ) {
var previousParams = this . _getPreviousParams ( true ) ;
if ( previousParams ) {
this . _pushToHistory ( this . current , false ) ;
this . _pushToHistory ( previousParams , false ) ;
this . currentUid = state . uid ;
window . history . back ( ) ;
return ;
}
}
this . historyUnlocked = false ;
if ( state . target . dest ) {
this . linkService . navigateTo ( state . target . dest ) ;
} else {
this . linkService . setHash ( state . target . hash ) ;
}
this . currentUid = state . uid ;
if ( state . uid > this . uid ) {
this . uid = state . uid ;
}
this . current = state . target ;
this . updatePreviousBookmark = true ;
var currentHash = window . location . hash . substring ( 1 ) ;
if ( this . previousHash !== currentHash ) {
this . allowHashChange = false ;
}
this . previousHash = currentHash ;
this . historyUnlocked = true ;
} ,
back : function pdfHistoryBack ( ) {
this . go ( - 1 ) ;
} ,
forward : function pdfHistoryForward ( ) {
this . go ( 1 ) ;
} ,
go : function pdfHistoryGo ( direction ) {
if ( this . initialized && this . historyUnlocked ) {
var state = window . history . state ;
if ( direction === - 1 && state && state . uid > 0 ) {
window . history . back ( ) ;
} else if ( direction === 1 && state && state . uid < this . uid - 1 ) {
window . history . forward ( ) ;
}
}
}
} ;
exports . PDFHistory = PDFHistory ;
/***/ } ) ,
/* 11 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
Object . defineProperty ( exports , "__esModule" , {
value : true
} ) ;
exports . PDFViewer = exports . PresentationModeState = undefined ;
var _pdfjs = _ _w _pdfjs _require _ _ ( 0 ) ;
var _ui _utils = _ _w _pdfjs _require _ _ ( 1 ) ;
var _pdf _rendering _queue = _ _w _pdfjs _require _ _ ( 7 ) ;
var _annotation _layer _builder = _ _w _pdfjs _require _ _ ( 4 ) ;
var _dom _events = _ _w _pdfjs _require _ _ ( 2 ) ;
var _pdf _page _view = _ _w _pdfjs _require _ _ ( 5 ) ;
var _pdf _link _service = _ _w _pdfjs _require _ _ ( 3 ) ;
var _text _layer _builder = _ _w _pdfjs _require _ _ ( 6 ) ;
var PresentationModeState = {
UNKNOWN : 0 ,
NORMAL : 1 ,
CHANGING : 2 ,
FULLSCREEN : 3
} ;
var DEFAULT _CACHE _SIZE = 10 ;
var PDFViewer = function pdfViewer ( ) {
function PDFPageViewBuffer ( size ) {
var data = [ ] ;
this . push = function cachePush ( view ) {
var i = data . indexOf ( view ) ;
if ( i >= 0 ) {
data . splice ( i , 1 ) ;
}
data . push ( view ) ;
if ( data . length > size ) {
data . shift ( ) . destroy ( ) ;
}
} ;
this . resize = function ( newSize ) {
size = newSize ;
while ( data . length > size ) {
data . shift ( ) . destroy ( ) ;
}
} ;
}
function isSameScale ( oldScale , newScale ) {
if ( newScale === oldScale ) {
return true ;
}
if ( Math . abs ( newScale - oldScale ) < 1e-15 ) {
return true ;
}
return false ;
}
function isPortraitOrientation ( size ) {
return size . width <= size . height ;
}
function PDFViewer ( options ) {
this . container = options . container ;
this . viewer = options . viewer || options . container . firstElementChild ;
this . eventBus = options . eventBus || ( 0 , _dom _events . getGlobalEventBus ) ( ) ;
this . linkService = options . linkService || new _pdf _link _service . SimpleLinkService ( ) ;
this . downloadManager = options . downloadManager || null ;
this . removePageBorders = options . removePageBorders || false ;
this . enhanceTextSelection = options . enhanceTextSelection || false ;
this . renderInteractiveForms = options . renderInteractiveForms || false ;
this . enablePrintAutoRotate = options . enablePrintAutoRotate || false ;
this . renderer = options . renderer || _ui _utils . RendererType . CANVAS ;
this . defaultRenderingQueue = ! options . renderingQueue ;
if ( this . defaultRenderingQueue ) {
this . renderingQueue = new _pdf _rendering _queue . PDFRenderingQueue ( ) ;
this . renderingQueue . setViewer ( this ) ;
} else {
this . renderingQueue = options . renderingQueue ;
}
this . scroll = ( 0 , _ui _utils . watchScroll ) ( this . container , this . _scrollUpdate . bind ( this ) ) ;
this . presentationModeState = PresentationModeState . UNKNOWN ;
this . _resetView ( ) ;
if ( this . removePageBorders ) {
this . viewer . classList . add ( 'removePageBorders' ) ;
}
}
PDFViewer . prototype = {
get pagesCount ( ) {
return this . _pages . length ;
} ,
getPageView : function getPageView ( index ) {
return this . _pages [ index ] ;
} ,
get pageViewsReady ( ) {
return this . _pageViewsReady ;
} ,
get currentPageNumber ( ) {
return this . _currentPageNumber ;
} ,
set currentPageNumber ( val ) {
if ( ( val | 0 ) !== val ) {
throw new Error ( 'Invalid page number.' ) ;
}
if ( ! this . pdfDocument ) {
this . _currentPageNumber = val ;
return ;
}
this . _setCurrentPageNumber ( val , true ) ;
} ,
_setCurrentPageNumber : function PDFViewer _setCurrentPageNumber ( val , resetCurrentPageView ) {
if ( this . _currentPageNumber === val ) {
if ( resetCurrentPageView ) {
this . _resetCurrentPageView ( ) ;
}
return ;
}
if ( ! ( 0 < val && val <= this . pagesCount ) ) {
console . error ( 'PDFViewer_setCurrentPageNumber: "' + val + '" is out of bounds.' ) ;
return ;
}
var arg = {
source : this ,
pageNumber : val ,
pageLabel : this . _pageLabels && this . _pageLabels [ val - 1 ]
} ;
this . _currentPageNumber = val ;
this . eventBus . dispatch ( 'pagechanging' , arg ) ;
this . eventBus . dispatch ( 'pagechange' , arg ) ;
if ( resetCurrentPageView ) {
this . _resetCurrentPageView ( ) ;
}
} ,
get currentPageLabel ( ) {
return this . _pageLabels && this . _pageLabels [ this . _currentPageNumber - 1 ] ;
} ,
set currentPageLabel ( val ) {
var pageNumber = val | 0 ;
if ( this . _pageLabels ) {
var i = this . _pageLabels . indexOf ( val ) ;
if ( i >= 0 ) {
pageNumber = i + 1 ;
}
}
this . currentPageNumber = pageNumber ;
} ,
get currentScale ( ) {
return this . _currentScale !== _ui _utils . UNKNOWN _SCALE ? this . _currentScale : _ui _utils . DEFAULT _SCALE ;
} ,
set currentScale ( val ) {
if ( isNaN ( val ) ) {
throw new Error ( 'Invalid numeric scale' ) ;
}
if ( ! this . pdfDocument ) {
this . _currentScale = val ;
this . _currentScaleValue = val !== _ui _utils . UNKNOWN _SCALE ? val . toString ( ) : null ;
return ;
}
this . _setScale ( val , false ) ;
} ,
get currentScaleValue ( ) {
return this . _currentScaleValue ;
} ,
set currentScaleValue ( val ) {
if ( ! this . pdfDocument ) {
this . _currentScale = isNaN ( val ) ? _ui _utils . UNKNOWN _SCALE : val ;
this . _currentScaleValue = val . toString ( ) ;
return ;
}
this . _setScale ( val , false ) ;
} ,
get pagesRotation ( ) {
return this . _pagesRotation ;
} ,
set pagesRotation ( rotation ) {
if ( ! ( typeof rotation === 'number' && rotation % 90 === 0 ) ) {
throw new Error ( 'Invalid pages rotation angle.' ) ;
}
this . _pagesRotation = rotation ;
if ( ! this . pdfDocument ) {
return ;
}
for ( var i = 0 , l = this . _pages . length ; i < l ; i ++ ) {
var pageView = this . _pages [ i ] ;
pageView . update ( pageView . scale , rotation ) ;
}
this . _setScale ( this . _currentScaleValue , true ) ;
if ( this . defaultRenderingQueue ) {
this . update ( ) ;
}
} ,
setDocument : function setDocument ( pdfDocument ) {
var _this = this ;
if ( this . pdfDocument ) {
this . _cancelRendering ( ) ;
this . _resetView ( ) ;
}
this . pdfDocument = pdfDocument ;
if ( ! pdfDocument ) {
return ;
}
var pagesCount = pdfDocument . numPages ;
var pagesCapability = ( 0 , _pdfjs . createPromiseCapability ) ( ) ;
this . pagesPromise = pagesCapability . promise ;
pagesCapability . promise . then ( function ( ) {
_this . _pageViewsReady = true ;
_this . eventBus . dispatch ( 'pagesloaded' , {
source : _this ,
pagesCount : pagesCount
} ) ;
} ) ;
var isOnePageRenderedResolved = false ;
var onePageRenderedCapability = ( 0 , _pdfjs . createPromiseCapability ) ( ) ;
this . onePageRendered = onePageRenderedCapability . promise ;
var bindOnAfterAndBeforeDraw = function bindOnAfterAndBeforeDraw ( pageView ) {
pageView . onBeforeDraw = function ( ) {
_this . _buffer . push ( pageView ) ;
} ;
pageView . onAfterDraw = function ( ) {
if ( ! isOnePageRenderedResolved ) {
isOnePageRenderedResolved = true ;
onePageRenderedCapability . resolve ( ) ;
}
} ;
} ;
var firstPagePromise = pdfDocument . getPage ( 1 ) ;
this . firstPagePromise = firstPagePromise ;
return firstPagePromise . then ( function ( pdfPage ) {
var scale = _this . currentScale ;
var viewport = pdfPage . getViewport ( scale * _ui _utils . CSS _UNITS ) ;
for ( var pageNum = 1 ; pageNum <= pagesCount ; ++ pageNum ) {
var textLayerFactory = null ;
if ( ! _pdfjs . PDFJS . disableTextLayer ) {
textLayerFactory = _this ;
}
var pageView = new _pdf _page _view . PDFPageView ( {
container : _this . viewer ,
eventBus : _this . eventBus ,
id : pageNum ,
scale : scale ,
defaultViewport : viewport . clone ( ) ,
renderingQueue : _this . renderingQueue ,
textLayerFactory : textLayerFactory ,
annotationLayerFactory : _this ,
enhanceTextSelection : _this . enhanceTextSelection ,
renderInteractiveForms : _this . renderInteractiveForms ,
renderer : _this . renderer
} ) ;
bindOnAfterAndBeforeDraw ( pageView ) ;
_this . _pages . push ( pageView ) ;
}
onePageRenderedCapability . promise . then ( function ( ) {
if ( _pdfjs . PDFJS . disableAutoFetch ) {
pagesCapability . resolve ( ) ;
return ;
}
var getPagesLeft = pagesCount ;
var _loop = function _loop ( _pageNum ) {
pdfDocument . getPage ( _pageNum ) . then ( function ( pdfPage ) {
var pageView = _this . _pages [ _pageNum - 1 ] ;
if ( ! pageView . pdfPage ) {
pageView . setPdfPage ( pdfPage ) ;
}
_this . linkService . cachePageRef ( _pageNum , pdfPage . ref ) ;
if ( -- getPagesLeft === 0 ) {
pagesCapability . resolve ( ) ;
}
} ) ;
} ;
for ( var _pageNum = 1 ; _pageNum <= pagesCount ; ++ _pageNum ) {
_loop ( _pageNum ) ;
}
} ) ;
_this . eventBus . dispatch ( 'pagesinit' , { source : _this } ) ;
if ( _this . defaultRenderingQueue ) {
_this . update ( ) ;
}
if ( _this . findController ) {
_this . findController . resolveFirstPage ( ) ;
}
} ) ;
} ,
setPageLabels : function PDFViewer _setPageLabels ( labels ) {
if ( ! this . pdfDocument ) {
return ;
}
if ( ! labels ) {
this . _pageLabels = null ;
} else if ( ! ( labels instanceof Array && this . pdfDocument . numPages === labels . length ) ) {
this . _pageLabels = null ;
console . error ( 'PDFViewer_setPageLabels: Invalid page labels.' ) ;
} else {
this . _pageLabels = labels ;
}
for ( var i = 0 , ii = this . _pages . length ; i < ii ; i ++ ) {
var pageView = this . _pages [ i ] ;
var label = this . _pageLabels && this . _pageLabels [ i ] ;
pageView . setPageLabel ( label ) ;
}
} ,
_resetView : function _resetView ( ) {
this . _pages = [ ] ;
this . _currentPageNumber = 1 ;
this . _currentScale = _ui _utils . UNKNOWN _SCALE ;
this . _currentScaleValue = null ;
this . _pageLabels = null ;
this . _buffer = new PDFPageViewBuffer ( DEFAULT _CACHE _SIZE ) ;
this . _location = null ;
this . _pagesRotation = 0 ;
this . _pagesRequests = [ ] ;
this . _pageViewsReady = false ;
this . viewer . textContent = '' ;
} ,
_scrollUpdate : function PDFViewer _scrollUpdate ( ) {
if ( this . pagesCount === 0 ) {
return ;
}
this . update ( ) ;
for ( var i = 0 , ii = this . _pages . length ; i < ii ; i ++ ) {
this . _pages [ i ] . updatePosition ( ) ;
}
} ,
_setScaleDispatchEvent : function pdfViewer _setScaleDispatchEvent ( newScale , newValue , preset ) {
var arg = {
source : this ,
scale : newScale ,
presetValue : preset ? newValue : undefined
} ;
this . eventBus . dispatch ( 'scalechanging' , arg ) ;
this . eventBus . dispatch ( 'scalechange' , arg ) ;
} ,
_setScaleUpdatePages : function pdfViewer _setScaleUpdatePages ( newScale , newValue , noScroll , preset ) {
this . _currentScaleValue = newValue . toString ( ) ;
if ( isSameScale ( this . _currentScale , newScale ) ) {
if ( preset ) {
this . _setScaleDispatchEvent ( newScale , newValue , true ) ;
}
return ;
}
for ( var i = 0 , ii = this . _pages . length ; i < ii ; i ++ ) {
this . _pages [ i ] . update ( newScale ) ;
}
this . _currentScale = newScale ;
if ( ! noScroll ) {
var page = this . _currentPageNumber ,
dest ;
if ( this . _location && ! _pdfjs . PDFJS . ignoreCurrentPositionOnZoom && ! ( this . isInPresentationMode || this . isChangingPresentationMode ) ) {
page = this . _location . pageNumber ;
dest = [ null , { name : 'XYZ' } , this . _location . left , this . _location . top , null ] ;
}
this . scrollPageIntoView ( {
pageNumber : page ,
destArray : dest ,
allowNegativeOffset : true
} ) ;
}
this . _setScaleDispatchEvent ( newScale , newValue , preset ) ;
if ( this . defaultRenderingQueue ) {
this . update ( ) ;
}
} ,
_setScale : function PDFViewer _setScale ( value , noScroll ) {
var scale = parseFloat ( value ) ;
if ( scale > 0 ) {
this . _setScaleUpdatePages ( scale , value , noScroll , false ) ;
} else {
var currentPage = this . _pages [ this . _currentPageNumber - 1 ] ;
if ( ! currentPage ) {
return ;
}
var hPadding = this . isInPresentationMode || this . removePageBorders ? 0 : _ui _utils . SCROLLBAR _PADDING ;
var vPadding = this . isInPresentationMode || this . removePageBorders ? 0 : _ui _utils . VERTICAL _PADDING ;
var pageWidthScale = ( this . container . clientWidth - hPadding ) / currentPage . width * currentPage . scale ;
var pageHeightScale = ( this . container . clientHeight - vPadding ) / currentPage . height * currentPage . scale ;
switch ( value ) {
case 'page-actual' :
scale = 1 ;
break ;
case 'page-width' :
scale = pageWidthScale ;
break ;
case 'page-height' :
scale = pageHeightScale ;
break ;
case 'page-fit' :
scale = Math . min ( pageWidthScale , pageHeightScale ) ;
break ;
case 'auto' :
var isLandscape = currentPage . width > currentPage . height ;
var horizontalScale = isLandscape ? Math . min ( pageHeightScale , pageWidthScale ) : pageWidthScale ;
scale = Math . min ( _ui _utils . MAX _AUTO _SCALE , horizontalScale ) ;
break ;
default :
console . error ( 'PDFViewer_setScale: "' + value + '" is an unknown zoom value.' ) ;
return ;
}
this . _setScaleUpdatePages ( scale , value , noScroll , true ) ;
}
} ,
_resetCurrentPageView : function _resetCurrentPageView ( ) {
if ( this . isInPresentationMode ) {
this . _setScale ( this . _currentScaleValue , true ) ;
}
var pageView = this . _pages [ this . _currentPageNumber - 1 ] ;
( 0 , _ui _utils . scrollIntoView ) ( pageView . div ) ;
} ,
scrollPageIntoView : function PDFViewer _scrollPageIntoView ( params ) {
if ( ! this . pdfDocument ) {
return ;
}
if ( arguments . length > 1 || typeof params === 'number' ) {
console . warn ( 'Call of scrollPageIntoView() with obsolete signature.' ) ;
var paramObj = { } ;
if ( typeof params === 'number' ) {
paramObj . pageNumber = params ;
}
if ( arguments [ 1 ] instanceof Array ) {
paramObj . destArray = arguments [ 1 ] ;
}
params = paramObj ;
}
var pageNumber = params . pageNumber || 0 ;
var dest = params . destArray || null ;
var allowNegativeOffset = params . allowNegativeOffset || false ;
if ( this . isInPresentationMode || ! dest ) {
this . _setCurrentPageNumber ( pageNumber , true ) ;
return ;
}
var pageView = this . _pages [ pageNumber - 1 ] ;
if ( ! pageView ) {
console . error ( 'PDFViewer_scrollPageIntoView: ' + 'Invalid "pageNumber" parameter.' ) ;
return ;
}
var x = 0 ,
y = 0 ;
var width = 0 ,
height = 0 ,
widthScale ,
heightScale ;
var changeOrientation = pageView . rotation % 180 === 0 ? false : true ;
var pageWidth = ( changeOrientation ? pageView . height : pageView . width ) / pageView . scale / _ui _utils . CSS _UNITS ;
var pageHeight = ( changeOrientation ? pageView . width : pageView . height ) / pageView . scale / _ui _utils . CSS _UNITS ;
var scale = 0 ;
switch ( dest [ 1 ] . name ) {
case 'XYZ' :
x = dest [ 2 ] ;
y = dest [ 3 ] ;
scale = dest [ 4 ] ;
x = x !== null ? x : 0 ;
y = y !== null ? y : pageHeight ;
break ;
case 'Fit' :
case 'FitB' :
scale = 'page-fit' ;
break ;
case 'FitH' :
case 'FitBH' :
y = dest [ 2 ] ;
scale = 'page-width' ;
if ( y === null && this . _location ) {
x = this . _location . left ;
y = this . _location . top ;
}
break ;
case 'FitV' :
case 'FitBV' :
x = dest [ 2 ] ;
width = pageWidth ;
height = pageHeight ;
scale = 'page-height' ;
break ;
case 'FitR' :
x = dest [ 2 ] ;
y = dest [ 3 ] ;
width = dest [ 4 ] - x ;
height = dest [ 5 ] - y ;
var hPadding = this . removePageBorders ? 0 : _ui _utils . SCROLLBAR _PADDING ;
var vPadding = this . removePageBorders ? 0 : _ui _utils . VERTICAL _PADDING ;
widthScale = ( this . container . clientWidth - hPadding ) / width / _ui _utils . CSS _UNITS ;
heightScale = ( this . container . clientHeight - vPadding ) / height / _ui _utils . CSS _UNITS ;
scale = Math . min ( Math . abs ( widthScale ) , Math . abs ( heightScale ) ) ;
break ;
default :
console . error ( 'PDFViewer_scrollPageIntoView: \'' + dest [ 1 ] . name + '\' is not a valid destination type.' ) ;
return ;
}
if ( scale && scale !== this . _currentScale ) {
this . currentScaleValue = scale ;
} else if ( this . _currentScale === _ui _utils . UNKNOWN _SCALE ) {
this . currentScaleValue = _ui _utils . DEFAULT _SCALE _VALUE ;
}
if ( scale === 'page-fit' && ! dest [ 4 ] ) {
( 0 , _ui _utils . scrollIntoView ) ( pageView . div ) ;
return ;
}
var boundingRect = [ pageView . viewport . convertToViewportPoint ( x , y ) , pageView . viewport . convertToViewportPoint ( x + width , y + height ) ] ;
var left = Math . min ( boundingRect [ 0 ] [ 0 ] , boundingRect [ 1 ] [ 0 ] ) ;
var top = Math . min ( boundingRect [ 0 ] [ 1 ] , boundingRect [ 1 ] [ 1 ] ) ;
if ( ! allowNegativeOffset ) {
left = Math . max ( left , 0 ) ;
top = Math . max ( top , 0 ) ;
}
( 0 , _ui _utils . scrollIntoView ) ( pageView . div , {
left : left ,
top : top
} ) ;
} ,
_updateLocation : function _updateLocation ( firstPage ) {
var currentScale = this . _currentScale ;
var currentScaleValue = this . _currentScaleValue ;
var normalizedScaleValue = parseFloat ( currentScaleValue ) === currentScale ? Math . round ( currentScale * 10000 ) / 100 : currentScaleValue ;
var pageNumber = firstPage . id ;
var pdfOpenParams = '#page=' + pageNumber ;
pdfOpenParams += '&zoom=' + normalizedScaleValue ;
var currentPageView = this . _pages [ pageNumber - 1 ] ;
var container = this . container ;
var topLeft = currentPageView . getPagePoint ( container . scrollLeft - firstPage . x , container . scrollTop - firstPage . y ) ;
var intLeft = Math . round ( topLeft [ 0 ] ) ;
var intTop = Math . round ( topLeft [ 1 ] ) ;
pdfOpenParams += ',' + intLeft + ',' + intTop ;
this . _location = {
pageNumber : pageNumber ,
scale : normalizedScaleValue ,
top : intTop ,
left : intLeft ,
pdfOpenParams : pdfOpenParams
} ;
} ,
update : function PDFViewer _update ( ) {
var visible = this . _getVisiblePages ( ) ;
var visiblePages = visible . views ;
if ( visiblePages . length === 0 ) {
return ;
}
var suggestedCacheSize = Math . max ( DEFAULT _CACHE _SIZE , 2 * visiblePages . length + 1 ) ;
this . _buffer . resize ( suggestedCacheSize ) ;
this . renderingQueue . renderHighestPriority ( visible ) ;
var currentId = this . _currentPageNumber ;
var firstPage = visible . first ;
for ( var i = 0 , ii = visiblePages . length , stillFullyVisible = false ; i < ii ; ++ i ) {
var page = visiblePages [ i ] ;
if ( page . percent < 100 ) {
break ;
}
if ( page . id === currentId ) {
stillFullyVisible = true ;
break ;
}
}
if ( ! stillFullyVisible ) {
currentId = visiblePages [ 0 ] . id ;
}
if ( ! this . isInPresentationMode ) {
this . _setCurrentPageNumber ( currentId ) ;
}
this . _updateLocation ( firstPage ) ;
this . eventBus . dispatch ( 'updateviewarea' , {
source : this ,
location : this . _location
} ) ;
} ,
containsElement : function containsElement ( element ) {
return this . container . contains ( element ) ;
} ,
focus : function focus ( ) {
this . container . focus ( ) ;
} ,
get isInPresentationMode ( ) {
return this . presentationModeState === PresentationModeState . FULLSCREEN ;
} ,
get isChangingPresentationMode ( ) {
return this . presentationModeState === PresentationModeState . CHANGING ;
} ,
get isHorizontalScrollbarEnabled ( ) {
return this . isInPresentationMode ? false : this . container . scrollWidth > this . container . clientWidth ;
} ,
_getVisiblePages : function _getVisiblePages ( ) {
if ( ! this . isInPresentationMode ) {
return ( 0 , _ui _utils . getVisibleElements ) ( this . container , this . _pages , true ) ;
}
var visible = [ ] ;
var currentPage = this . _pages [ this . _currentPageNumber - 1 ] ;
visible . push ( {
id : currentPage . id ,
view : currentPage
} ) ;
return {
first : currentPage ,
last : currentPage ,
views : visible
} ;
} ,
cleanup : function cleanup ( ) {
for ( var i = 0 , ii = this . _pages . length ; i < ii ; i ++ ) {
if ( this . _pages [ i ] && this . _pages [ i ] . renderingState !== _pdf _rendering _queue . RenderingStates . FINISHED ) {
this . _pages [ i ] . reset ( ) ;
}
}
} ,
_cancelRendering : function PDFViewer _cancelRendering ( ) {
for ( var i = 0 , ii = this . _pages . length ; i < ii ; i ++ ) {
if ( this . _pages [ i ] ) {
this . _pages [ i ] . cancelRendering ( ) ;
}
}
} ,
_ensurePdfPageLoaded : function _ensurePdfPageLoaded ( pageView ) {
var _this2 = this ;
if ( pageView . pdfPage ) {
return Promise . resolve ( pageView . pdfPage ) ;
}
var pageNumber = pageView . id ;
if ( this . _pagesRequests [ pageNumber ] ) {
return this . _pagesRequests [ pageNumber ] ;
}
var promise = this . pdfDocument . getPage ( pageNumber ) . then ( function ( pdfPage ) {
if ( ! pageView . pdfPage ) {
pageView . setPdfPage ( pdfPage ) ;
}
_this2 . _pagesRequests [ pageNumber ] = null ;
return pdfPage ;
} ) ;
this . _pagesRequests [ pageNumber ] = promise ;
return promise ;
} ,
forceRendering : function forceRendering ( currentlyVisiblePages ) {
var _this3 = this ;
var visiblePages = currentlyVisiblePages || this . _getVisiblePages ( ) ;
var pageView = this . renderingQueue . getHighestPriority ( visiblePages , this . _pages , this . scroll . down ) ;
if ( pageView ) {
this . _ensurePdfPageLoaded ( pageView ) . then ( function ( ) {
_this3 . renderingQueue . renderView ( pageView ) ;
} ) ;
return true ;
}
return false ;
} ,
getPageTextContent : function getPageTextContent ( pageIndex ) {
return this . pdfDocument . getPage ( pageIndex + 1 ) . then ( function ( page ) {
return page . getTextContent ( { normalizeWhitespace : true } ) ;
} ) ;
} ,
createTextLayerBuilder : function createTextLayerBuilder ( textLayerDiv , pageIndex , viewport ) {
var enhanceTextSelection = arguments . length > 3 && arguments [ 3 ] !== undefined ? arguments [ 3 ] : false ;
return new _text _layer _builder . TextLayerBuilder ( {
textLayerDiv : textLayerDiv ,
eventBus : this . eventBus ,
pageIndex : pageIndex ,
viewport : viewport ,
findController : this . isInPresentationMode ? null : this . findController ,
enhanceTextSelection : this . isInPresentationMode ? false : enhanceTextSelection
} ) ;
} ,
createAnnotationLayerBuilder : function createAnnotationLayerBuilder ( pageDiv , pdfPage ) {
var renderInteractiveForms = arguments . length > 2 && arguments [ 2 ] !== undefined ? arguments [ 2 ] : false ;
return new _annotation _layer _builder . AnnotationLayerBuilder ( {
pageDiv : pageDiv ,
pdfPage : pdfPage ,
renderInteractiveForms : renderInteractiveForms ,
linkService : this . linkService ,
downloadManager : this . downloadManager
} ) ;
} ,
setFindController : function setFindController ( findController ) {
this . findController = findController ;
} ,
getPagesOverview : function getPagesOverview ( ) {
var pagesOverview = this . _pages . map ( function ( pageView ) {
var viewport = pageView . pdfPage . getViewport ( 1 ) ;
return {
width : viewport . width ,
height : viewport . height ,
rotation : viewport . rotation
} ;
} ) ;
if ( ! this . enablePrintAutoRotate ) {
return pagesOverview ;
}
var isFirstPagePortrait = isPortraitOrientation ( pagesOverview [ 0 ] ) ;
return pagesOverview . map ( function ( size ) {
if ( isFirstPagePortrait === isPortraitOrientation ( size ) ) {
return size ;
}
return {
width : size . height ,
height : size . width ,
rotation : ( size . rotation + 90 ) % 360
} ;
} ) ;
}
} ;
return PDFViewer ;
} ( ) ;
exports . PresentationModeState = PresentationModeState ;
exports . PDFViewer = PDFViewer ;
/***/ } ) ,
/* 12 */
/***/ ( function ( module , exports , _ _w _pdfjs _require _ _ ) {
"use strict" ;
var pdfjsLib = _ _w _pdfjs _require _ _ ( 0 ) ;
var pdfjsWebPDFViewer = _ _w _pdfjs _require _ _ ( 11 ) ;
var pdfjsWebPDFPageView = _ _w _pdfjs _require _ _ ( 5 ) ;
var pdfjsWebPDFLinkService = _ _w _pdfjs _require _ _ ( 3 ) ;
var pdfjsWebTextLayerBuilder = _ _w _pdfjs _require _ _ ( 6 ) ;
var pdfjsWebAnnotationLayerBuilder = _ _w _pdfjs _require _ _ ( 4 ) ;
var pdfjsWebPDFHistory = _ _w _pdfjs _require _ _ ( 10 ) ;
var pdfjsWebPDFFindController = _ _w _pdfjs _require _ _ ( 9 ) ;
var pdfjsWebUIUtils = _ _w _pdfjs _require _ _ ( 1 ) ;
var pdfjsWebDownloadManager = _ _w _pdfjs _require _ _ ( 8 ) ;
var PDFJS = pdfjsLib . PDFJS ;
PDFJS . PDFViewer = pdfjsWebPDFViewer . PDFViewer ;
PDFJS . PDFPageView = pdfjsWebPDFPageView . PDFPageView ;
PDFJS . PDFLinkService = pdfjsWebPDFLinkService . PDFLinkService ;
PDFJS . TextLayerBuilder = pdfjsWebTextLayerBuilder . TextLayerBuilder ;
PDFJS . DefaultTextLayerFactory = pdfjsWebTextLayerBuilder . DefaultTextLayerFactory ;
PDFJS . AnnotationLayerBuilder = pdfjsWebAnnotationLayerBuilder . AnnotationLayerBuilder ;
PDFJS . DefaultAnnotationLayerFactory = pdfjsWebAnnotationLayerBuilder . DefaultAnnotationLayerFactory ;
PDFJS . PDFHistory = pdfjsWebPDFHistory . PDFHistory ;
PDFJS . PDFFindController = pdfjsWebPDFFindController . PDFFindController ;
PDFJS . EventBus = pdfjsWebUIUtils . EventBus ;
PDFJS . DownloadManager = pdfjsWebDownloadManager . DownloadManager ;
PDFJS . ProgressBar = pdfjsWebUIUtils . ProgressBar ;
exports . PDFJS = PDFJS ;
/***/ } )
/******/ ] ) ;
} ) ;
//# sourceMappingURL=pdf_viewer.js.map