153 lines
4.6 KiB
CoffeeScript
153 lines
4.6 KiB
CoffeeScript
EventEmitter = require('events').EventEmitter
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Menu = require './menu'
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NavigationController = require './navigation-controller'
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binding = process.atomBinding 'web_contents'
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ipc = require 'ipc'
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nextId = 0
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getNextId = -> ++nextId
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PDFPageSize =
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A4:
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custom_display_name: "A4"
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height_microns: 297000
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name: "ISO_A4"
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is_default: "true"
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width_microns: 210000
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A3:
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custom_display_name: "A3"
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height_microns: 420000
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name: "ISO_A3"
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width_microns: 297000
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Legal:
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custom_display_name: "Legal"
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height_microns: 355600
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name: "NA_LEGAL"
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width_microns: 215900
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Letter:
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custom_display_name: "Letter"
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height_microns: 279400
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name: "NA_LETTER"
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width_microns: 215900
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Tabloid:
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height_microns: 431800
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name: "NA_LEDGER"
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width_microns: 279400
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custom_display_name: "Tabloid"
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clickHandler = (action) ->
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@_executeContextMenuCommand action
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convertToMenuTemplate = (items, handler) ->
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template = []
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for item in items
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do (item) ->
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transformed =
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if item.type is 'submenu'
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type: 'submenu'
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label: item.label
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enabled: item.enabled
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submenu: convertToMenuTemplate item.subItems, handler
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else if item.type is 'separator'
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type: 'separator'
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else if item.type is 'checkbox'
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type: 'checkbox'
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label: item.label
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enabled: item.enabled
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checked: item.checked
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else
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type: 'normal'
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label: item.label
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enabled: item.enabled
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if item.id?
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transformed.click = ->
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handler item.id
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template.push transformed
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template
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wrapWebContents = (webContents) ->
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# webContents is an EventEmitter.
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webContents.__proto__ = EventEmitter.prototype
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# WebContents::send(channel, args..)
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webContents.send = (channel, args...) ->
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@_send channel, [args...]
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# Make sure webContents.executeJavaScript would run the code only when the
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# web contents has been loaded.
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webContents.executeJavaScript = (code, hasUserGesture=false) ->
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if @getUrl() and not @isLoading()
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@_executeJavaScript code, hasUserGesture
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else
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webContents.once 'did-finish-load', @_executeJavaScript.bind(this, code, hasUserGesture)
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# The navigation controller.
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controller = new NavigationController(webContents)
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for name, method of NavigationController.prototype when method instanceof Function
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do (name, method) ->
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webContents[name] = -> method.apply controller, arguments
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# Dispatch IPC messages to the ipc module.
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webContents.on 'ipc-message', (event, packed) ->
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[channel, args...] = packed
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ipc.emit channel, event, args...
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webContents.on 'ipc-message-sync', (event, packed) ->
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[channel, args...] = packed
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Object.defineProperty event, 'returnValue', set: (value) -> event.sendReply JSON.stringify(value)
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ipc.emit channel, event, args...
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# Handle context menu action request from renderer widget.
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webContents.on '-context-menu', (event, params) ->
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if params.isPepperMenu
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template = convertToMenuTemplate(params.menuItems, clickHandler.bind(webContents))
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menu = Menu.buildFromTemplate template
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# The menu is expected to show asynchronously.
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setImmediate ->
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menu.popup params.x, params.y
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webContents._notifyContextMenuClosed()
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webContents.printToPDF = (options, callback) ->
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printingSetting =
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pageRage: []
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mediaSize: {}
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landscape: false
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color: 2
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headerFooterEnabled: false
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marginsType: 0
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isFirstRequest: false
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requestID: getNextId()
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previewModifiable: true
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printToPDF: true
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printWithCloudPrint: false
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printWithPrivet: false
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printWithExtension: false
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deviceName: "Save as PDF"
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generateDraftData: true
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fitToPageEnabled: false
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duplex: 0
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copies: 1
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collate: true
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shouldPrintBackgrounds: false
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shouldPrintSelectionOnly: false
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if options.landscape
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printingSetting.landscape = options.landscape
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if options.marginsType
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printingSetting.marginsType = options.marginsType
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if options.printSelectionOnly
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printingSetting.shouldPrintSelectionOnly = options.printSelectionOnly
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if options.printBackground
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printingSetting.shouldPrintBackgrounds = options.printBackground
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if options.pageSize and PDFPageSize[options.pageSize]
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printingSetting.mediaSize = PDFPageSize[options.pageSize]
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else
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printingSetting.mediaSize = PDFPageSize['A4']
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@_printToPDF printingSetting, callback
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binding._setWrapWebContents wrapWebContents
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process.once 'exit', binding._clearWrapWebContents
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module.exports.create = (options={}) ->
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binding.create(options)
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