vue-files-preview-inno/es/node_modules/epubjs/src/managers/default/index.mjs.map

A tool for previewing files such as doc, excel, pdf, image, markdown, txt, audio, and video and so on.

{"version":3,"file":"index.mjs","sources":["../../../../../../../node_modules/epubjs/src/managers/default/index.js"],"sourcesContent":["import EventEmitter from \"event-emitter\";\nimport {extend, defer, windowBounds, isNumber} from \"../../utils/core\";\nimport scrollType from \"../../utils/scrolltype\";\nimport Mapping from \"../../mapping\";\nimport Queue from \"../../utils/queue\";\nimport Stage from \"../helpers/stage\";\nimport Views from \"../helpers/views\";\nimport { EVENTS } from \"../../utils/constants\";\n\nclass DefaultViewManager {\n\tconstructor(options) {\n\n\t\tthis.name = \"default\";\n\t\tthis.optsSettings = options.settings;\n\t\tthis.View = options.view;\n\t\tthis.request = options.request;\n\t\tthis.renditionQueue = options.queue;\n\t\tthis.q = new Queue(this);\n\n\t\tthis.settings = extend(this.settings || {}, {\n\t\t\tinfinite: true,\n\t\t\thidden: false,\n\t\t\twidth: undefined,\n\t\t\theight: undefined,\n\t\t\taxis: undefined,\n\t\t\twritingMode: undefined,\n\t\t\tflow: \"scrolled\",\n\t\t\tignoreClass: \"\",\n\t\t\tfullsize: undefined,\n\t\t\tallowScriptedContent: false,\n\t\t\tallowPopups: false\n\t\t});\n\n\t\textend(this.settings, options.settings || {});\n\n\t\tthis.viewSettings = {\n\t\t\tignoreClass: this.settings.ignoreClass,\n\t\t\taxis: this.settings.axis,\n\t\t\tflow: this.settings.flow,\n\t\t\tlayout: this.layout,\n\t\t\tmethod: this.settings.method, // srcdoc, blobUrl, write\n\t\t\twidth: 0,\n\t\t\theight: 0,\n\t\t\tforceEvenPages: true,\n\t\t\tallowScriptedContent: this.settings.allowScriptedContent,\n\t\t\tallowPopups: this.settings.allowPopups\n\t\t};\n\n\t\tthis.rendered = false;\n\n\t}\n\n\trender(element, size){\n\t\tlet tag = element.tagName;\n\n\t\tif (typeof this.settings.fullsize === \"undefined\" &&\n\t\t\t\ttag && (tag.toLowerCase() == \"body\" ||\n\t\t\t\ttag.toLowerCase() == \"html\")) {\n\t\t\t\tthis.settings.fullsize = true;\n\t\t}\n\n\t\tif (this.settings.fullsize) {\n\t\t\tthis.settings.overflow = \"visible\";\n\t\t\tthis.overflow = this.settings.overflow;\n\t\t}\n\n\t\tthis.settings.size = size;\n\n\t\tthis.settings.rtlScrollType = scrollType();\n\n\t\t// Save the stage\n\t\tthis.stage = new Stage({\n\t\t\twidth: size.width,\n\t\t\theight: size.height,\n\t\t\toverflow: this.overflow,\n\t\t\thidden: this.settings.hidden,\n\t\t\taxis: this.settings.axis,\n\t\t\tfullsize: this.settings.fullsize,\n\t\t\tdirection: this.settings.direction\n\t\t});\n\n\t\tthis.stage.attachTo(element);\n\n\t\t// Get this stage container div\n\t\tthis.container = this.stage.getContainer();\n\n\t\t// Views array methods\n\t\tthis.views = new Views(this.container);\n\n\t\t// Calculate Stage Size\n\t\tthis._bounds = this.bounds();\n\t\tthis._stageSize = this.stage.size();\n\n\t\t// Set the dimensions for views\n\t\tthis.viewSettings.width = this._stageSize.width;\n\t\tthis.viewSettings.height = this._stageSize.height;\n\n\t\t// Function to handle a resize event.\n\t\t// Will only attach if width and height are both fixed.\n\t\tthis.stage.onResize(this.onResized.bind(this));\n\n\t\tthis.stage.onOrientationChange(this.onOrientationChange.bind(this));\n\n\t\t// Add Event Listeners\n\t\tthis.addEventListeners();\n\n\t\t// Add Layout method\n\t\t// this.applyLayoutMethod();\n\t\tif (this.layout) {\n\t\t\tthis.updateLayout();\n\t\t}\n\n\t\tthis.rendered = true;\n\n\t}\n\n\taddEventListeners(){\n\t\tvar scroller;\n\n\t\twindow.addEventListener(\"unload\", function(e){\n\t\t\tthis.destroy();\n\t\t}.bind(this));\n\n\t\tif(!this.settings.fullsize) {\n\t\t\tscroller = this.container;\n\t\t} else {\n\t\t\tscroller = window;\n\t\t}\n\n\t\tthis._onScroll = this.onScroll.bind(this);\n\t\tscroller.addEventListener(\"scroll\", this._onScroll);\n\t}\n\n\tremoveEventListeners(){\n\t\tvar scroller;\n\n\t\tif(!this.settings.fullsize) {\n\t\t\tscroller = this.container;\n\t\t} else {\n\t\t\tscroller = window;\n\t\t}\n\n\t\tscroller.removeEventListener(\"scroll\", this._onScroll);\n\t\tthis._onScroll = undefined;\n\t}\n\n\tdestroy(){\n\t\tclearTimeout(this.orientationTimeout);\n\t\tclearTimeout(this.resizeTimeout);\n\t\tclearTimeout(this.afterScrolled);\n\n\t\tthis.clear();\n\n\t\tthis.removeEventListeners();\n\n\t\tthis.stage.destroy();\n\n\t\tthis.rendered = false;\n\n\t\t/*\n\n\t\t\tclearTimeout(this.trimTimeout);\n\t\t\tif(this.settings.hidden) {\n\t\t\t\tthis.element.removeChild(this.wrapper);\n\t\t\t} else {\n\t\t\t\tthis.element.removeChild(this.container);\n\t\t\t}\n\t\t*/\n\t}\n\n\tonOrientationChange(e) {\n\t\tlet {orientation} = window;\n\n\t\tif(this.optsSettings.resizeOnOrientationChange) {\n\t\t\tthis.resize();\n\t\t}\n\n\t\t// Per ampproject:\n\t\t// In IOS 10.3, the measured size of an element is incorrect if the\n\t\t// element size depends on window size directly and the measurement\n\t\t// happens in window.resize event. Adding a timeout for correct\n\t\t// measurement. See https://github.com/ampproject/amphtml/issues/8479\n\t\tclearTimeout(this.orientationTimeout);\n\t\tthis.orientationTimeout = setTimeout(function(){\n\t\t\tthis.orientationTimeout = undefined;\n\n\t\t\tif(this.optsSettings.resizeOnOrientationChange) {\n\t\t\t\tthis.resize();\n\t\t\t}\n\n\t\t\tthis.emit(EVENTS.MANAGERS.ORIENTATION_CHANGE, orientation);\n\t\t}.bind(this), 500);\n\n\t}\n\n\tonResized(e) {\n\t\tthis.resize();\n\t}\n\n\tresize(width, height, epubcfi){\n\t\tlet stageSize = this.stage.size(width, height);\n\n\t\t// For Safari, wait for orientation to catch up\n\t\t// if the window is a square\n\t\tthis.winBounds = windowBounds();\n\t\tif (this.orientationTimeout &&\n\t\t\t\tthis.winBounds.width === this.winBounds.height) {\n\t\t\t// reset the stage size for next resize\n\t\t\tthis._stageSize = undefined;\n\t\t\treturn;\n\t\t}\n\n\t\tif (this._stageSize &&\n\t\t\t\tthis._stageSize.width === stageSize.width &&\n\t\t\t\tthis._stageSize.height === stageSize.height ) {\n\t\t\t// Size is the same, no need to resize\n\t\t\treturn;\n\t\t}\n\n\t\tthis._stageSize = stageSize;\n\n\t\tthis._bounds = this.bounds();\n\n\t\t// Clear current views\n\t\tthis.clear();\n\n\t\t// Update for new views\n\t\tthis.viewSettings.width = this._stageSize.width;\n\t\tthis.viewSettings.height = this._stageSize.height;\n\n\t\tthis.updateLayout();\n\n\t\tthis.emit(EVENTS.MANAGERS.RESIZED, {\n\t\t\twidth: this._stageSize.width,\n\t\t\theight: this._stageSize.height\n\t\t}, epubcfi);\n\t}\n\n\tcreateView(section, forceRight) {\n\t\treturn new this.View(section, extend(this.viewSettings, { forceRight }) );\n\t}\n\n\thandleNextPrePaginated(forceRight, section, action) {\n\t\tlet next;\n\n\t\tif (this.layout.name === \"pre-paginated\" && this.layout.divisor > 1) {\n\t\t\tif (forceRight || section.index === 0) {\n\t\t\t\t// First page (cover) should stand alone for pre-paginated books\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tnext = section.next();\n\t\t\tif (next && !next.properties.includes(\"page-spread-left\")) {\n\t\t\t\treturn action.call(this, next);\n\t\t\t}\n\t\t}\n\t}\n\n\tdisplay(section, target){\n\n\t\tvar displaying = new defer();\n\t\tvar displayed = displaying.promise;\n\n\t\t// Check if moving to target is needed\n\t\tif (target === section.href || isNumber(target)) {\n\t\t\ttarget = undefined;\n\t\t}\n\n\t\t// Check to make sure the section we want isn't already shown\n\t\tvar visible = this.views.find(section);\n\n\t\t// View is already shown, just move to correct location in view\n\t\tif(visible && section && this.layout.name !== \"pre-paginated\") {\n\t\t\tlet offset = visible.offset();\n\n\t\t\tif (this.settings.direction === \"ltr\") {\n\t\t\t\tthis.scrollTo(offset.left, offset.top, true);\n\t\t\t} else {\n\t\t\t\tlet width = visible.width();\n\t\t\t\tthis.scrollTo(offset.left + width, offset.top, true);\n\t\t\t}\n\n\t\t\tif(target) {\n\t\t\t\tlet offset = visible.locationOf(target);\n\t\t\t\tlet width = visible.width();\n\t\t\t\tthis.moveTo(offset, width);\n\t\t\t}\n\n\t\t\tdisplaying.resolve();\n\t\t\treturn displayed;\n\t\t}\n\n\t\t// Hide all current views\n\t\tthis.clear();\n\n\t\tlet forceRight = false;\n\t\tif (this.layout.name === \"pre-paginated\" && this.layout.divisor === 2 && section.properties.includes(\"page-spread-right\")) {\n\t\t\tforceRight = true;\n\t\t}\n\n\t\tthis.add(section, forceRight)\n\t\t\t.then(function(view){\n\n\t\t\t\t// Move to correct place within the section, if needed\n\t\t\t\tif(target) {\n\t\t\t\t\tlet offset = view.locationOf(target);\n\t\t\t\t\tlet width = view.width();\n\t\t\t\t\tthis.moveTo(offset, width);\n\t\t\t\t}\n\n\t\t\t}.bind(this), (err) => {\n\t\t\t\tdisplaying.reject(err);\n\t\t\t})\n\t\t\t.then(function(){\n\t\t\t\treturn this.handleNextPrePaginated(forceRight, section, this.add);\n\t\t\t}.bind(this))\n\t\t\t.then(function(){\n\n\t\t\t\tthis.views.show();\n\n\t\t\t\tdisplaying.resolve();\n\n\t\t\t}.bind(this));\n\t\t// .then(function(){\n\t\t// \treturn this.hooks.display.trigger(view);\n\t\t// }.bind(this))\n\t\t// .then(function(){\n\t\t// \tthis.views.show();\n\t\t// }.bind(this));\n\t\treturn displayed;\n\t}\n\n\tafterDisplayed(view){\n\t\tthis.emit(EVENTS.MANAGERS.ADDED, view);\n\t}\n\n\tafterResized(view){\n\t\tthis.emit(EVENTS.MANAGERS.RESIZE, view.section);\n\t}\n\n\tmoveTo(offset, width){\n\t\tvar distX = 0,\n\t\t\t\tdistY = 0;\n\n\t\tif(!this.isPaginated) {\n\t\t\tdistY = offset.top;\n\t\t} else {\n\t\t\tdistX = Math.floor(offset.left / this.layout.delta) * this.layout.delta;\n\n\t\t\tif (distX + this.layout.delta > this.container.scrollWidth) {\n\t\t\t\tdistX = this.container.scrollWidth - this.layout.delta;\n\t\t\t}\n\n\t\t\tdistY = Math.floor(offset.top / this.layout.delta) * this.layout.delta;\n\n\t\t\tif (distY + this.layout.delta > this.container.scrollHeight) {\n\t\t\t\tdistY = this.container.scrollHeight - this.layout.delta;\n\t\t\t}\n\t\t}\n\t\tif(this.settings.direction === 'rtl'){\n\t\t\t/***\n\t\t\t\tthe `floor` function above (L343) is on positive values, so we should add one `layout.delta`\n\t\t\t\tto distX or use `Math.ceil` function, or multiply offset.left by -1\n\t\t\t\tbefore `Math.floor`\n\t\t\t*/\n\t\t\tdistX = distX + this.layout.delta\n\t\t\tdistX = distX - width\n\t\t}\n\t\tthis.scrollTo(distX, distY, true);\n\t}\n\n\tadd(section, forceRight){\n\t\tvar view = this.createView(section, forceRight);\n\n\t\tthis.views.append(view);\n\n\t\t// view.on(EVENTS.VIEWS.SHOWN, this.afterDisplayed.bind(this));\n\t\tview.onDisplayed = this.afterDisplayed.bind(this);\n\t\tview.onResize = this.afterResized.bind(this);\n\n\t\tview.on(EVENTS.VIEWS.AXIS, (axis) => {\n\t\t\tthis.updateAxis(axis);\n\t\t});\n\n\t\tview.on(EVENTS.VIEWS.WRITING_MODE, (mode) => {\n\t\t\tthis.updateWritingMode(mode);\n\t\t});\n\n\t\treturn view.display(this.request);\n\t}\n\n\tappend(section, forceRight){\n\t\tvar view = this.createView(section, forceRight);\n\t\tthis.views.append(view);\n\n\t\tview.onDisplayed = this.afterDisplayed.bind(this);\n\t\tview.onResize = this.afterResized.bind(this);\n\n\t\tview.on(EVENTS.VIEWS.AXIS, (axis) => {\n\t\t\tthis.updateAxis(axis);\n\t\t});\n\n\t\tview.on(EVENTS.VIEWS.WRITING_MODE, (mode) => {\n\t\t\tthis.updateWritingMode(mode);\n\t\t});\n\n\t\treturn view.display(this.request);\n\t}\n\n\tprepend(section, forceRight){\n\t\tvar view = this.createView(section, forceRight);\n\n\t\tview.on(EVENTS.VIEWS.RESIZED, (bounds) => {\n\t\t\tthis.counter(bounds);\n\t\t});\n\n\t\tthis.views.prepend(view);\n\n\t\tview.onDisplayed = this.afterDisplayed.bind(this);\n\t\tview.onResize = this.afterResized.bind(this);\n\n\t\tview.on(EVENTS.VIEWS.AXIS, (axis) => {\n\t\t\tthis.updateAxis(axis);\n\t\t});\n\n\t\tview.on(EVENTS.VIEWS.WRITING_MODE, (mode) => {\n\t\t\tthis.updateWritingMode(mode);\n\t\t});\n\n\t\treturn view.display(this.request);\n\t}\n\n\tcounter(bounds){\n\t\tif(this.settings.axis === \"vertical\") {\n\t\t\tthis.scrollBy(0, bounds.heightDelta, true);\n\t\t} else {\n\t\t\tthis.scrollBy(bounds.widthDelta, 0, true);\n\t\t}\n\n\t}\n\n\t// resizeView(view) {\n\t//\n\t// \tif(this.settings.globalLayoutProperties.layout === \"pre-paginated\") {\n\t// \t\tview.lock(\"both\", this.bounds.width, this.bounds.height);\n\t// \t} else {\n\t// \t\tview.lock(\"width\", this.bounds.width, this.bounds.height);\n\t// \t}\n\t//\n\t// };\n\n\tnext(){\n\t\tvar next;\n\t\tvar left;\n\n\t\tlet dir = this.settings.direction;\n\n\t\tif(!this.views.length) return;\n\n\t\tif(this.isPaginated && this.settings.axis === \"horizontal\" && (!dir || dir === \"ltr\")) {\n\n\t\t\tthis.scrollLeft = this.container.scrollLeft;\n\n\t\t\tleft = this.container.scrollLeft + this.container.offsetWidth + this.layout.delta;\n\n\t\t\tif(left <= this.container.scrollWidth) {\n\t\t\t\tthis.scrollBy(this.layout.delta, 0, true);\n\t\t\t} else {\n\t\t\t\tnext = this.views.last().section.next();\n\t\t\t}\n\t\t} else if (this.isPaginated && this.settings.axis === \"horizontal\" && dir === \"rtl\") {\n\n\t\t\tthis.scrollLeft = this.container.scrollLeft;\n\n\t\t\tif (this.settings.rtlScrollType === \"default\"){\n\t\t\t\tleft = this.container.scrollLeft;\n\n\t\t\t\tif (left > 0) {\n\t\t\t\t\tthis.scrollBy(this.layout.delta, 0, true);\n\t\t\t\t} else {\n\t\t\t\t\tnext = this.views.last().section.next();\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tleft = this.container.scrollLeft + ( this.layout.delta * -1 );\n\n\t\t\t\tif (left > this.container.scrollWidth * -1){\n\t\t\t\t\tthis.scrollBy(this.layout.delta, 0, true);\n\t\t\t\t} else {\n\t\t\t\t\tnext = this.views.last().section.next();\n\t\t\t\t}\n\t\t\t}\n\n\t\t} else if (this.isPaginated && this.settings.axis === \"vertical\") {\n\n\t\t\tthis.scrollTop = this.container.scrollTop;\n\n\t\t\tlet top  = this.container.scrollTop + this.container.offsetHeight;\n\n\t\t\tif(top < this.container.scrollHeight) {\n\t\t\t\tthis.scrollBy(0, this.layout.height, true);\n\t\t\t} else {\n\t\t\t\tnext = this.views.last().section.next();\n\t\t\t}\n\n\t\t} else {\n\t\t\tnext = this.views.last().section.next();\n\t\t}\n\n\t\tif(next) {\n\t\t\tthis.clear();\n\t\t\t// The new section may have a different writing-mode from the old section. Thus, we need to update layout.\n\t\t\tthis.updateLayout();\n\n\t\t\tlet forceRight = false;\n\t\t\tif (this.layout.name === \"pre-paginated\" && this.layout.divisor === 2 && next.properties.includes(\"page-spread-right\")) {\n\t\t\t\tforceRight = true;\n\t\t\t}\n\n\t\t\treturn this.append(next, forceRight)\n\t\t\t\t.then(function(){\n\t\t\t\t\treturn this.handleNextPrePaginated(forceRight, next, this.append);\n\t\t\t\t}.bind(this), (err) => {\n\t\t\t\t\treturn err;\n\t\t\t\t})\n\t\t\t\t.then(function(){\n\n\t\t\t\t\t// Reset position to start for scrolled-doc vertical-rl in default mode\n\t\t\t\t\tif (!this.isPaginated &&\n\t\t\t\t\t\tthis.settings.axis === \"horizontal\" &&\n\t\t\t\t\t\tthis.settings.direction === \"rtl\" &&\n\t\t\t\t\t\tthis.settings.rtlScrollType === \"default\") {\n\t\t\t\t\t\t\n\t\t\t\t\t\tthis.scrollTo(this.container.scrollWidth, 0, true);\n\t\t\t\t\t}\n\t\t\t\t\tthis.views.show();\n\t\t\t\t}.bind(this));\n\t\t}\n\n\n\t}\n\n\tprev(){\n\t\tvar prev;\n\t\tvar left;\n\t\tlet dir = this.settings.direction;\n\n\t\tif(!this.views.length) return;\n\n\t\tif(this.isPaginated && this.settings.axis === \"horizontal\" && (!dir || dir === \"ltr\")) {\n\n\t\t\tthis.scrollLeft = this.container.scrollLeft;\n\n\t\t\tleft = this.container.scrollLeft;\n\n\t\t\tif(left > 0) {\n\t\t\t\tthis.scrollBy(-this.layout.delta, 0, true);\n\t\t\t} else {\n\t\t\t\tprev = this.views.first().section.prev();\n\t\t\t}\n\n\t\t} else if (this.isPaginated && this.settings.axis === \"horizontal\" && dir === \"rtl\") {\n\n\t\t\tthis.scrollLeft = this.container.scrollLeft;\n\n\t\t\tif (this.settings.rtlScrollType === \"default\"){\n\t\t\t\tleft = this.container.scrollLeft + this.container.offsetWidth;\n\n\t\t\t\tif (left < this.container.scrollWidth) {\n\t\t\t\t\tthis.scrollBy(-this.layout.delta, 0, true);\n\t\t\t\t} else {\n\t\t\t\t\tprev = this.views.first().section.prev();\n\t\t\t\t}\n\t\t\t}\n\t\t\telse{\n\t\t\t\tleft = this.container.scrollLeft;\n\n\t\t\t\tif (left < 0) {\n\t\t\t\t\tthis.scrollBy(-this.layout.delta, 0, true);\n\t\t\t\t} else {\n\t\t\t\t\tprev = this.views.first().section.prev();\n\t\t\t\t}\n\t\t\t}\n\n\t\t} else if (this.isPaginated && this.settings.axis === \"vertical\") {\n\n\t\t\tthis.scrollTop = this.container.scrollTop;\n\n\t\t\tlet top = this.container.scrollTop;\n\n\t\t\tif(top > 0) {\n\t\t\t\tthis.scrollBy(0, -(this.layout.height), true);\n\t\t\t} else {\n\t\t\t\tprev = this.views.first().section.prev();\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tprev = this.views.first().section.prev();\n\n\t\t}\n\n\t\tif(prev) {\n\t\t\tthis.clear();\n\t\t\t// The new section may have a different writing-mode from the old section. Thus, we need to update layout.\n\t\t\tthis.updateLayout();\n\n\t\t\tlet forceRight = false;\n\t\t\tif (this.layout.name === \"pre-paginated\" && this.layout.divisor === 2 && typeof prev.prev() !== \"object\") {\n\t\t\t\tforceRight = true;\n\t\t\t}\n\n\t\t\treturn this.prepend(prev, forceRight)\n\t\t\t\t.then(function(){\n\t\t\t\t\tvar left;\n\t\t\t\t\tif (this.layout.name === \"pre-paginated\" && this.layout.divisor > 1) {\n\t\t\t\t\t\tleft = prev.prev();\n\t\t\t\t\t\tif (left) {\n\t\t\t\t\t\t\treturn this.prepend(left);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}.bind(this), (err) => {\n\t\t\t\t\treturn err;\n\t\t\t\t})\n\t\t\t\t.then(function(){\n\t\t\t\t\tif(this.isPaginated && this.settings.axis === \"horizontal\") {\n\t\t\t\t\t\tif (this.settings.direction === \"rtl\") {\n\t\t\t\t\t\t\tif (this.settings.rtlScrollType === \"default\"){\n\t\t\t\t\t\t\t\tthis.scrollTo(0, 0, true);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\telse{\n\t\t\t\t\t\t\t\tthis.scrollTo((this.container.scrollWidth * -1) + this.layout.delta, 0, true);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tthis.scrollTo(this.container.scrollWidth - this.layout.delta, 0, true);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tthis.views.show();\n\t\t\t\t}.bind(this));\n\t\t}\n\t}\n\n\tcurrent(){\n\t\tvar visible = this.visible();\n\t\tif(visible.length){\n\t\t\t// Current is the last visible view\n\t\t\treturn visible[visible.length-1];\n\t\t}\n\t\treturn null;\n\t}\n\n\tclear () {\n\n\t\t// this.q.clear();\n\n\t\tif (this.views) {\n\t\t\tthis.views.hide();\n\t\t\tthis.scrollTo(0,0, true);\n\t\t\tthis.views.clear();\n\t\t}\n\t}\n\n\tcurrentLocation(){\n\t\tthis.updateLayout();\n\t\tif (this.isPaginated && this.settings.axis === \"horizontal\") {\n\t\t\tthis.location = this.paginatedLocation();\n\t\t} else {\n\t\t\tthis.location = this.scrolledLocation();\n\t\t}\n\t\treturn this.location;\n\t}\n\n\tscrolledLocation() {\n\t\tlet visible = this.visible();\n\t\tlet container = this.container.getBoundingClientRect();\n\t\tlet pageHeight = (container.height < window.innerHeight) ? container.height : window.innerHeight;\n\t\tlet pageWidth = (container.width < window.innerWidth) ? container.width : window.innerWidth;\n\t\tlet vertical = (this.settings.axis === \"vertical\");\n\t\tlet rtl =  (this.settings.direction === \"rtl\");\n\t\t\n\t\tlet offset = 0;\n\t\tlet used = 0;\n\n\t\tif(this.settings.fullsize) {\n\t\t\toffset = vertical ? window.scrollY : window.scrollX;\n\t\t}\n\n\t\tlet sections = visible.map((view) => {\n\t\t\tlet {index, href} = view.section;\n\t\t\tlet position = view.position();\n\t\t\tlet width = view.width();\n\t\t\tlet height = view.height();\n\n\t\t\tlet startPos;\n\t\t\tlet endPos;\n\t\t\tlet stopPos;\n\t\t\tlet totalPages;\n\n\t\t\tif (vertical) {\n\t\t\t\tstartPos = offset + container.top - position.top + used;\n\t\t\t\tendPos = startPos + pageHeight - used;\n\t\t\t\ttotalPages = this.layout.count(height, pageHeight).pages;\n\t\t\t\tstopPos = pageHeight;\n\t\t\t} else {\n\t\t\t\tstartPos = offset + container.left - position.left + used;\n\t\t\t\tendPos = startPos + pageWidth - used;\n\t\t\t\ttotalPages = this.layout.count(width, pageWidth).pages;\n\t\t\t\tstopPos = pageWidth;\n\t\t\t}\n\n\t\t\tlet currPage = Math.ceil(startPos / stopPos);\n\t\t\tlet pages = [];\n\t\t\tlet endPage = Math.ceil(endPos / stopPos);\n\n\t\t\t// Reverse page counts for horizontal rtl\n\t\t\tif (this.settings.direction === \"rtl\" && !vertical) {\n\t\t\t\tlet tempStartPage = currPage;\n\t\t\t\tcurrPage = totalPages - endPage;\n\t\t\t\tendPage = totalPages - tempStartPage;\n\t\t\t}\n\n\t\t\tpages = [];\n\t\t\tfor (var i = currPage; i <= endPage; i++) {\n\t\t\t\tlet pg = i + 1;\n\t\t\t\tpages.push(pg);\n\t\t\t}\n\n\t\t\tlet mapping = this.mapping.page(view.contents, view.section.cfiBase, startPos, endPos);\n\n\t\t\treturn {\n\t\t\t\tindex,\n\t\t\t\thref,\n\t\t\t\tpages,\n\t\t\t\ttotalPages,\n\t\t\t\tmapping\n\t\t\t};\n\t\t});\n\n\t\treturn sections;\n\t}\n\n\tpaginatedLocation(){\n\t\tlet visible = this.visible();\n\t\tlet container = this.container.getBoundingClientRect();\n\n\t\tlet left = 0;\n\t\tlet used = 0;\n\n\t\tif(this.settings.fullsize) {\n\t\t\tleft = window.scrollX;\n\t\t}\n\n\t\tlet sections = visible.map((view) => {\n\t\t\tlet {index, href} = view.section;\n\t\t\tlet offset;\n\t\t\tlet position = view.position();\n\t\t\tlet width = view.width();\n\n\t\t\t// Find mapping\n\t\t\tlet start;\n\t\t\tlet end;\n\t\t\tlet pageWidth;\n\n\t\t\tif (this.settings.direction === \"rtl\") {\n\t\t\t\toffset = container.right - left;\n\t\t\t\tpageWidth = Math.min(Math.abs(offset - position.left), this.layout.width) - used;\n\t\t\t\tend = position.width - (position.right - offset) - used;\n\t\t\t\tstart = end - pageWidth;\n\t\t\t} else {\n\t\t\t\toffset = container.left + left;\n\t\t\t\tpageWidth = Math.min(position.right - offset, this.layout.width) - used;\n\t\t\t\tstart = offset - position.left + used;\n\t\t\t\tend = start + pageWidth;\n\t\t\t}\n\n\t\t\tused += pageWidth;\n\n\t\t\tlet mapping = this.mapping.page(view.contents, view.section.cfiBase, start, end);\n\n\t\t\tlet totalPages = this.layout.count(width).pages;\n\t\t\tlet startPage = Math.floor(start / this.layout.pageWidth);\n\t\t\tlet pages = [];\n\t\t\tlet endPage = Math.floor(end / this.layout.pageWidth);\n\t\t\t\n\t\t\t// start page should not be negative\n\t\t\tif (startPage < 0) {\n\t\t\t\tstartPage = 0;\n\t\t\t\tendPage = endPage + 1;\n\t\t\t}\n\n\t\t\t// Reverse page counts for rtl\n\t\t\tif (this.settings.direction === \"rtl\") {\n\t\t\t\tlet tempStartPage = startPage;\n\t\t\t\tstartPage = totalPages - endPage;\n\t\t\t\tendPage = totalPages - tempStartPage;\n\t\t\t}\n\n\n\t\t\tfor (var i = startPage + 1; i <= endPage; i++) {\n\t\t\t\tlet pg = i;\n\t\t\t\tpages.push(pg);\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tindex,\n\t\t\t\thref,\n\t\t\t\tpages,\n\t\t\t\ttotalPages,\n\t\t\t\tmapping\n\t\t\t};\n\t\t});\n\n\t\treturn sections;\n\t}\n\n\tisVisible(view, offsetPrev, offsetNext, _container){\n\t\tvar position = view.position();\n\t\tvar container = _container || this.bounds();\n\n\t\tif(this.settings.axis === \"horizontal\" &&\n\t\t\tposition.right > container.left - offsetPrev &&\n\t\t\tposition.left < container.right + offsetNext) {\n\n\t\t\treturn true;\n\n\t\t} else if(this.settings.axis === \"vertical\" &&\n\t\t\tposition.bottom > container.top - offsetPrev &&\n\t\t\tposition.top < container.bottom + offsetNext) {\n\n\t\t\treturn true;\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tvisible(){\n\t\tvar container = this.bounds();\n\t\tvar views = this.views.displayed();\n\t\tvar viewsLength = views.length;\n\t\tvar visible = [];\n\t\tvar isVisible;\n\t\tvar view;\n\n\t\tfor (var i = 0; i < viewsLength; i++) {\n\t\t\tview = views[i];\n\t\t\tisVisible = this.isVisible(view, 0, 0, container);\n\n\t\t\tif(isVisible === true) {\n\t\t\t\tvisible.push(view);\n\t\t\t}\n\n\t\t}\n\t\treturn visible;\n\t}\n\n\tscrollBy(x, y, silent){\n\t\tlet dir = this.settings.direction === \"rtl\" ? -1 : 1;\n\n\t\tif(silent) {\n\t\t\tthis.ignore = true;\n\t\t}\n\n\t\tif(!this.settings.fullsize) {\n\t\t\tif(x) this.container.scrollLeft += x * dir;\n\t\t\tif(y) this.container.scrollTop += y;\n\t\t} else {\n\t\t\twindow.scrollBy(x * dir, y * dir);\n\t\t}\n\t\tthis.scrolled = true;\n\t}\n\n\tscrollTo(x, y, silent){\n\t\tif(silent) {\n\t\t\tthis.ignore = true;\n\t\t}\n\n\t\tif(!this.settings.fullsize) {\n\t\t\tthis.container.scrollLeft = x;\n\t\t\tthis.container.scrollTop = y;\n\t\t} else {\n\t\t\twindow.scrollTo(x,y);\n\t\t}\n\t\tthis.scrolled = true;\n\t}\n\n\tonScroll(){\n\t\tlet scrollTop;\n\t\tlet scrollLeft;\n\n\t\tif(!this.settings.fullsize) {\n\t\t\tscrollTop = this.container.scrollTop;\n\t\t\tscrollLeft = this.container.scrollLeft;\n\t\t} else {\n\t\t\tscrollTop = window.scrollY;\n\t\t\tscrollLeft = window.scrollX;\n\t\t}\n\n\t\tthis.scrollTop = scrollTop;\n\t\tthis.scrollLeft = scrollLeft;\n\n\t\tif(!this.ignore) {\n\t\t\tthis.emit(EVENTS.MANAGERS.SCROLL, {\n\t\t\t\ttop: scrollTop,\n\t\t\t\tleft: scrollLeft\n\t\t\t});\n\n\t\t\tclearTimeout(this.afterScrolled);\n\t\t\tthis.afterScrolled = setTimeout(function () {\n\t\t\t\tthis.emit(EVENTS.MANAGERS.SCROLLED, {\n\t\t\t\t\ttop: this.scrollTop,\n\t\t\t\t\tleft: this.scrollLeft\n\t\t\t\t});\n\t\t\t}.bind(this), 20);\n\n\n\n\t\t} else {\n\t\t\tthis.ignore = false;\n\t\t}\n\n\t}\n\n\tbounds() {\n\t\tvar bounds;\n\n\t\tbounds = this.stage.bounds();\n\n\t\treturn bounds;\n\t}\n\n\tapplyLayout(layout) {\n\n\t\tthis.layout = layout;\n\t\tthis.updateLayout();\n\t\tif (this.views && this.views.length > 0 && this.layout.name === \"pre-paginated\") {\n\t\t\tthis.display(this.views.first().section);\n\t\t}\n\t\t // this.manager.layout(this.layout.format);\n\t}\n\n\tupdateLayout() {\n\n\t\tif (!this.stage) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._stageSize = this.stage.size();\n\n\t\tif(!this.isPaginated) {\n\t\t\tthis.layout.calculate(this._stageSize.width, this._stageSize.height);\n\t\t} else {\n\t\t\tthis.layout.calculate(\n\t\t\t\tthis._stageSize.width,\n\t\t\t\tthis._stageSize.height,\n\t\t\t\tthis.settings.gap\n\t\t\t);\n\n\t\t\t// Set the look ahead offset for what is visible\n\t\t\tthis.settings.offset = this.layout.delta / this.layout.divisor;\n\n\t\t\t// this.stage.addStyleRules(\"iframe\", [{\"margin-right\" : this.layout.gap + \"px\"}]);\n\n\t\t}\n\n\t\t// Set the dimensions for views\n\t\tthis.viewSettings.width = this.layout.width;\n\t\tthis.viewSettings.height = this.layout.height;\n\n\t\tthis.setLayout(this.layout);\n\t}\n\n\tsetLayout(layout){\n\n\t\tthis.viewSettings.layout = layout;\n\n\t\tthis.mapping = new Mapping(layout.props, this.settings.direction, this.settings.axis);\n\n\t\tif(this.views) {\n\n\t\t\tthis.views.forEach(function(view){\n\t\t\t\tif (view) {\n\t\t\t\t\tview.setLayout(layout);\n\t\t\t\t}\n\t\t\t});\n\n\t\t}\n\n\t}\n\n\tupdateWritingMode(mode) {\n\t\tthis.writingMode = mode;\n\t}\n\n\tupdateAxis(axis, forceUpdate){\n\n\t\tif (!forceUpdate && axis === this.settings.axis) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.settings.axis = axis;\n\n\t\tthis.stage && this.stage.axis(axis);\n\n\t\tthis.viewSettings.axis = axis;\n\n\t\tif (this.mapping) {\n\t\t\tthis.mapping = new Mapping(this.layout.props, this.settings.direction, this.settings.axis);\n\t\t}\n\n\t\tif (this.layout) {\n\t\t\tif (axis === \"vertical\") {\n\t\t\t\tthis.layout.spread(\"none\");\n\t\t\t} else {\n\t\t\t\tthis.layout.spread(this.layout.settings.spread);\n\t\t\t}\n\t\t}\n\t}\n\n\tupdateFlow(flow, defaultScrolledOverflow=\"auto\"){\n\t\tlet isPaginated = (flow === \"paginated\" || flow === \"auto\");\n\n\t\tthis.isPaginated = isPaginated;\n\n\t\tif (flow === \"scrolled-doc\" ||\n\t\t\t\tflow === \"scrolled-continuous\" ||\n\t\t\t\tflow === \"scrolled\") {\n\t\t\tthis.updateAxis(\"vertical\");\n\t\t} else {\n\t\t\tthis.updateAxis(\"horizontal\");\n\t\t}\n\n\t\tthis.viewSettings.flow = flow;\n\n\t\tif (!this.settings.overflow) {\n\t\t\tthis.overflow = isPaginated ? \"hidden\" : defaultScrolledOverflow;\n\t\t} else {\n\t\t\tthis.overflow = this.settings.overflow;\n\t\t}\n\n\t\tthis.stage && this.stage.overflow(this.overflow);\n\n\t\tthis.updateLayout();\n\n\t}\n\n\tgetContents(){\n\t\tvar contents = [];\n\t\tif (!this.views) {\n\t\t\treturn contents;\n\t\t}\n\t\tthis.views.forEach(function(view){\n\t\t\tconst viewContents = view && view.contents;\n\t\t\tif (viewContents) {\n\t\t\t\tcontents.push(viewContents);\n\t\t\t}\n\t\t});\n\t\treturn contents;\n\t}\n\n\tdirection(dir=\"ltr\") {\n\t\tthis.settings.direction = dir;\n\n\t\tthis.stage && this.stage.direction(dir);\n\n\t\tthis.viewSettings.direction = dir;\n\n\t\tthis.updateLayout();\n\t}\n\n\tisRendered() {\n\t\treturn this.rendered;\n\t}\n}\n\n//-- Enable binding events to Manager\nEventEmitter(DefaultViewManager.prototype);\n\nexport default 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