mirror of
https://github.com/atom/atom.git
synced 2026-01-23 05:48:10 -05:00
Decaffeinate src/window-event-handler.coffee
This commit is contained in:
Jason Rudolph
@@ -1,189 +0,0 @@
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{Disposable, CompositeDisposable} = require 'event-kit'
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listen = require './delegated-listener'
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# Handles low-level events related to the @window.
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module.exports =
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class WindowEventHandler
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constructor: ({@atomEnvironment, @applicationDelegate}) ->
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@reloadRequested = false
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@subscriptions = new CompositeDisposable
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@handleNativeKeybindings()
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initialize: (@window, @document) ->
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@subscriptions.add @atomEnvironment.commands.add @window,
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'window:toggle-full-screen': @handleWindowToggleFullScreen
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'window:close': @handleWindowClose
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'window:reload': @handleWindowReload
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'window:toggle-dev-tools': @handleWindowToggleDevTools
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if process.platform in ['win32', 'linux']
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@subscriptions.add @atomEnvironment.commands.add @window,
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'window:toggle-menu-bar': @handleWindowToggleMenuBar
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@subscriptions.add @atomEnvironment.commands.add @document,
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'core:focus-next': @handleFocusNext
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'core:focus-previous': @handleFocusPrevious
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@addEventListener(@window, 'beforeunload', @handleWindowBeforeunload)
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@addEventListener(@window, 'focus', @handleWindowFocus)
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@addEventListener(@window, 'blur', @handleWindowBlur)
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@addEventListener(@document, 'keyup', @handleDocumentKeyEvent)
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@addEventListener(@document, 'keydown', @handleDocumentKeyEvent)
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@addEventListener(@document, 'drop', @handleDocumentDrop)
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@addEventListener(@document, 'dragover', @handleDocumentDragover)
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@addEventListener(@document, 'contextmenu', @handleDocumentContextmenu)
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@subscriptions.add listen(@document, 'click', 'a', @handleLinkClick)
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@subscriptions.add listen(@document, 'submit', 'form', @handleFormSubmit)
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@subscriptions.add(@applicationDelegate.onDidEnterFullScreen(@handleEnterFullScreen))
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@subscriptions.add(@applicationDelegate.onDidLeaveFullScreen(@handleLeaveFullScreen))
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# Wire commands that should be handled by Chromium for elements with the
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# `.native-key-bindings` class.
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handleNativeKeybindings: ->
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bindCommandToAction = (command, action) =>
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@subscriptions.add @atomEnvironment.commands.add(
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'.native-key-bindings',
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command,
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((event) => @applicationDelegate.getCurrentWindow().webContents[action]()),
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false
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)
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bindCommandToAction('core:copy', 'copy')
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bindCommandToAction('core:paste', 'paste')
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bindCommandToAction('core:undo', 'undo')
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bindCommandToAction('core:redo', 'redo')
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bindCommandToAction('core:select-all', 'selectAll')
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bindCommandToAction('core:cut', 'cut')
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unsubscribe: ->
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@subscriptions.dispose()
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on: (target, eventName, handler) ->
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target.on(eventName, handler)
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@subscriptions.add(new Disposable ->
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target.removeListener(eventName, handler)
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)
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addEventListener: (target, eventName, handler) ->
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target.addEventListener(eventName, handler)
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@subscriptions.add(new Disposable(-> target.removeEventListener(eventName, handler)))
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handleDocumentKeyEvent: (event) =>
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@atomEnvironment.keymaps.handleKeyboardEvent(event)
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event.stopImmediatePropagation()
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handleDrop: (event) ->
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event.preventDefault()
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event.stopPropagation()
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handleDragover: (event) ->
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event.preventDefault()
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event.stopPropagation()
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event.dataTransfer.dropEffect = 'none'
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eachTabIndexedElement: (callback) ->
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for element in @document.querySelectorAll('[tabindex]')
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continue if element.disabled
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continue unless element.tabIndex >= 0
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callback(element, element.tabIndex)
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return
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handleFocusNext: =>
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focusedTabIndex = @document.activeElement.tabIndex ? -Infinity
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nextElement = null
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nextTabIndex = Infinity
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lowestElement = null
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lowestTabIndex = Infinity
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@eachTabIndexedElement (element, tabIndex) ->
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if tabIndex < lowestTabIndex
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lowestTabIndex = tabIndex
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lowestElement = element
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if focusedTabIndex < tabIndex < nextTabIndex
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nextTabIndex = tabIndex
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nextElement = element
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if nextElement?
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nextElement.focus()
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else if lowestElement?
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lowestElement.focus()
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handleFocusPrevious: =>
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focusedTabIndex = @document.activeElement.tabIndex ? Infinity
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previousElement = null
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previousTabIndex = -Infinity
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highestElement = null
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highestTabIndex = -Infinity
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@eachTabIndexedElement (element, tabIndex) ->
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if tabIndex > highestTabIndex
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highestTabIndex = tabIndex
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highestElement = element
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if focusedTabIndex > tabIndex > previousTabIndex
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previousTabIndex = tabIndex
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previousElement = element
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if previousElement?
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previousElement.focus()
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else if highestElement?
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highestElement.focus()
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handleWindowFocus: ->
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@document.body.classList.remove('is-blurred')
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handleWindowBlur: =>
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@document.body.classList.add('is-blurred')
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@atomEnvironment.storeWindowDimensions()
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handleEnterFullScreen: =>
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@document.body.classList.add("fullscreen")
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handleLeaveFullScreen: =>
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@document.body.classList.remove("fullscreen")
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handleWindowBeforeunload: (event) =>
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if not @reloadRequested and not @atomEnvironment.inSpecMode() and @atomEnvironment.getCurrentWindow().isWebViewFocused()
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@atomEnvironment.hide()
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@reloadRequested = false
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@atomEnvironment.storeWindowDimensions()
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@atomEnvironment.unloadEditorWindow()
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@atomEnvironment.destroy()
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handleWindowToggleFullScreen: =>
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@atomEnvironment.toggleFullScreen()
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handleWindowClose: =>
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@atomEnvironment.close()
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handleWindowReload: =>
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@reloadRequested = true
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@atomEnvironment.reload()
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handleWindowToggleDevTools: =>
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@atomEnvironment.toggleDevTools()
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handleWindowToggleMenuBar: =>
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@atomEnvironment.config.set('core.autoHideMenuBar', not @atomEnvironment.config.get('core.autoHideMenuBar'))
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if @atomEnvironment.config.get('core.autoHideMenuBar')
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detail = "To toggle, press the Alt key or execute the window:toggle-menu-bar command"
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@atomEnvironment.notifications.addInfo('Menu bar hidden', {detail})
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handleLinkClick: (event) =>
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event.preventDefault()
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uri = event.currentTarget?.getAttribute('href')
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if uri and uri[0] isnt '#' and /^https?:\/\//.test(uri)
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@applicationDelegate.openExternal(uri)
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handleFormSubmit: (event) ->
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# Prevent form submits from changing the current window's URL
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event.preventDefault()
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handleDocumentContextmenu: (event) =>
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event.preventDefault()
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@atomEnvironment.contextMenu.showForEvent(event)
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253
src/window-event-handler.js
Normal file
253
src/window-event-handler.js
Normal file
@@ -0,0 +1,253 @@
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const {Disposable, CompositeDisposable} = require('event-kit')
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const listen = require('./delegated-listener')
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// Handles low-level events related to the `window`.
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module.exports =
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class WindowEventHandler {
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constructor ({atomEnvironment, applicationDelegate}) {
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this.handleDocumentKeyEvent = this.handleDocumentKeyEvent.bind(this)
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this.handleFocusNext = this.handleFocusNext.bind(this)
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this.handleFocusPrevious = this.handleFocusPrevious.bind(this)
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this.handleWindowBlur = this.handleWindowBlur.bind(this)
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this.handleEnterFullScreen = this.handleEnterFullScreen.bind(this)
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this.handleLeaveFullScreen = this.handleLeaveFullScreen.bind(this)
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this.handleWindowBeforeunload = this.handleWindowBeforeunload.bind(this)
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this.handleWindowToggleFullScreen = this.handleWindowToggleFullScreen.bind(this)
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this.handleWindowClose = this.handleWindowClose.bind(this)
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this.handleWindowReload = this.handleWindowReload.bind(this)
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this.handleWindowToggleDevTools = this.handleWindowToggleDevTools.bind(this)
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this.handleWindowToggleMenuBar = this.handleWindowToggleMenuBar.bind(this)
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this.handleLinkClick = this.handleLinkClick.bind(this)
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this.handleDocumentContextmenu = this.handleDocumentContextmenu.bind(this)
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this.atomEnvironment = atomEnvironment
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this.applicationDelegate = applicationDelegate
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this.reloadRequested = false
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this.subscriptions = new CompositeDisposable()
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this.handleNativeKeybindings()
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}
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initialize (window, document) {
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this.window = window
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this.document = document
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this.subscriptions.add(this.atomEnvironment.commands.add(this.window, {
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'window:toggle-full-screen': this.handleWindowToggleFullScreen,
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'window:close': this.handleWindowClose,
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'window:reload': this.handleWindowReload,
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'window:toggle-dev-tools': this.handleWindowToggleDevTools
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}))
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if (['win32', 'linux'].includes(process.platform)) {
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this.subscriptions.add(this.atomEnvironment.commands.add(this.window,
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{'window:toggle-menu-bar': this.handleWindowToggleMenuBar})
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)
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}
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this.subscriptions.add(this.atomEnvironment.commands.add(this.document, {
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'core:focus-next': this.handleFocusNext,
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'core:focus-previous': this.handleFocusPrevious
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}))
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this.addEventListener(this.window, 'beforeunload', this.handleWindowBeforeunload)
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this.addEventListener(this.window, 'focus', this.handleWindowFocus)
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this.addEventListener(this.window, 'blur', this.handleWindowBlur)
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this.addEventListener(this.document, 'keyup', this.handleDocumentKeyEvent)
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this.addEventListener(this.document, 'keydown', this.handleDocumentKeyEvent)
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this.addEventListener(this.document, 'drop', this.handleDocumentDrop)
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this.addEventListener(this.document, 'dragover', this.handleDocumentDragover)
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this.addEventListener(this.document, 'contextmenu', this.handleDocumentContextmenu)
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this.subscriptions.add(listen(this.document, 'click', 'a', this.handleLinkClick))
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this.subscriptions.add(listen(this.document, 'submit', 'form', this.handleFormSubmit))
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this.subscriptions.add(this.applicationDelegate.onDidEnterFullScreen(this.handleEnterFullScreen))
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this.subscriptions.add(this.applicationDelegate.onDidLeaveFullScreen(this.handleLeaveFullScreen))
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}
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// Wire commands that should be handled by Chromium for elements with the
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// `.native-key-bindings` class.
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handleNativeKeybindings () {
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const bindCommandToAction = (command, action) => {
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this.subscriptions.add(
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this.atomEnvironment.commands.add(
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'.native-key-bindings',
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command,
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event => this.applicationDelegate.getCurrentWindow().webContents[action](),
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false
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)
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)
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}
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bindCommandToAction('core:copy', 'copy')
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bindCommandToAction('core:paste', 'paste')
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bindCommandToAction('core:undo', 'undo')
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bindCommandToAction('core:redo', 'redo')
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bindCommandToAction('core:select-all', 'selectAll')
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bindCommandToAction('core:cut', 'cut')
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}
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unsubscribe () {
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this.subscriptions.dispose()
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}
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on (target, eventName, handler) {
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target.on(eventName, handler)
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this.subscriptions.add(new Disposable(function () {
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target.removeListener(eventName, handler)
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}))
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}
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addEventListener (target, eventName, handler) {
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target.addEventListener(eventName, handler)
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this.subscriptions.add(new Disposable(function () {
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target.removeEventListener(eventName, handler)
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}))
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}
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handleDocumentKeyEvent (event) {
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this.atomEnvironment.keymaps.handleKeyboardEvent(event)
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event.stopImmediatePropagation()
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}
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handleDrop (event) {
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event.preventDefault()
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event.stopPropagation()
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}
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handleDragover (event) {
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event.preventDefault()
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event.stopPropagation()
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event.dataTransfer.dropEffect = 'none'
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}
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eachTabIndexedElement (callback) {
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for (let element of this.document.querySelectorAll('[tabindex]')) {
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if (element.disabled) { continue }
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if (!(element.tabIndex >= 0)) { continue }
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callback(element, element.tabIndex)
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}
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}
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handleFocusNext () {
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const focusedTabIndex = this.document.activeElement.tabIndex != null ? this.document.activeElement.tabIndex : -Infinity
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let nextElement = null
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let nextTabIndex = Infinity
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let lowestElement = null
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let lowestTabIndex = Infinity
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this.eachTabIndexedElement(function (element, tabIndex) {
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if (tabIndex < lowestTabIndex) {
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lowestTabIndex = tabIndex
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lowestElement = element
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}
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if (focusedTabIndex < tabIndex && tabIndex < nextTabIndex) {
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nextTabIndex = tabIndex
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nextElement = element
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}
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})
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if (nextElement != null) {
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nextElement.focus()
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} else if (lowestElement != null) {
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lowestElement.focus()
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}
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}
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handleFocusPrevious () {
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const focusedTabIndex = this.document.activeElement.tabIndex != null ? this.document.activeElement.tabIndex : Infinity
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let previousElement = null
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let previousTabIndex = -Infinity
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let highestElement = null
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let highestTabIndex = -Infinity
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this.eachTabIndexedElement(function (element, tabIndex) {
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if (tabIndex > highestTabIndex) {
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highestTabIndex = tabIndex
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highestElement = element
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}
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if (focusedTabIndex > tabIndex && tabIndex > previousTabIndex) {
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previousTabIndex = tabIndex
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previousElement = element
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}
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})
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if (previousElement != null) {
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previousElement.focus()
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} else if (highestElement != null) {
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highestElement.focus()
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}
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}
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handleWindowFocus () {
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this.document.body.classList.remove('is-blurred')
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}
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handleWindowBlur () {
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this.document.body.classList.add('is-blurred')
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this.atomEnvironment.storeWindowDimensions()
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}
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handleEnterFullScreen () {
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this.document.body.classList.add('fullscreen')
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}
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handleLeaveFullScreen () {
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this.document.body.classList.remove('fullscreen')
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}
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handleWindowBeforeunload (event) {
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if (!this.reloadRequested && !this.atomEnvironment.inSpecMode() && this.atomEnvironment.getCurrentWindow().isWebViewFocused()) {
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this.atomEnvironment.hide()
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}
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this.reloadRequested = false
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this.atomEnvironment.storeWindowDimensions()
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this.atomEnvironment.unloadEditorWindow()
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this.atomEnvironment.destroy()
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}
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handleWindowToggleFullScreen () {
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this.atomEnvironment.toggleFullScreen()
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}
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handleWindowClose () {
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this.atomEnvironment.close()
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}
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handleWindowReload () {
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this.reloadRequested = true
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this.atomEnvironment.reload()
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}
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handleWindowToggleDevTools () {
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this.atomEnvironment.toggleDevTools()
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}
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handleWindowToggleMenuBar () {
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this.atomEnvironment.config.set('core.autoHideMenuBar', !this.atomEnvironment.config.get('core.autoHideMenuBar'))
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if (this.atomEnvironment.config.get('core.autoHideMenuBar')) {
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const detail = 'To toggle, press the Alt key or execute the window:toggle-menu-bar command'
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this.atomEnvironment.notifications.addInfo('Menu bar hidden', {detail})
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}
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}
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handleLinkClick (event) {
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event.preventDefault()
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const uri = event.currentTarget && event.currentTarget.getAttribute('href')
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if (uri && (uri[0] !== '#') && /^https?:\/\//.test(uri)) {
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this.applicationDelegate.openExternal(uri)
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}
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}
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handleFormSubmit (event) {
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// Prevent form submits from changing the current window's URL
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event.preventDefault()
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}
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handleDocumentContextmenu (event) {
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event.preventDefault()
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this.atomEnvironment.contextMenu.showForEvent(event)
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}
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}
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