electron/atom/browser/lib/guest-window-manager.coffee

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ipc = require 'ipc'
v8Util = process.atomBinding 'v8_util'
BrowserWindow = require 'browser-window'
guestWindows = new WeakMap
# Callback that registered to "closed" event of guest.
guestUserCloseCallback = ->
embedderId = v8Util.getHiddenValue this, 'embedderId'
removeGuest embedderId, @id
# Get all guests created in a window.
getGuestsFromEmbedder = (embedderWindow) ->
unless guestWindows.has embedderWindow
guests = []
guestWindows.set embedderWindow, guests
# Close all guests when window is closed.
embedderWindow.on 'closed', ->
for guest in guests
# Avoid double removing window from guests.
guest.removeListener 'closed', guestUserCloseCallback
# Just close without emitting "beforeunload" event.
guest.destroy()
guestWindows.get embedderWindow
# Remove a guest window.
removeGuest = (embedderId, guestId) ->
guests = getGuestsFromEmbedder BrowserWindow.windows.get(embedderId)
for guest, i in guests
if guest.id == guestId
guests.splice i, 1
return guest
# Create a new guest created by |embedder| with |options|.
createGuest = (embedder, url, options) ->
embedderWindow = BrowserWindow.fromWebContents embedder
guests = getGuestsFromEmbedder embedderWindow
guest = new BrowserWindow(options)
guest.loadUrl url
# Remove self from guest list when user closes guest window.
v8Util.setHiddenValue guest, 'embedderId', embedderWindow.id
guest.on 'closed', guestUserCloseCallback
guests.push guest
[embedderWindow.id, guest.id]
# Routed window.open messages.
ipc.on 'ATOM_SHELL_GUEST_WINDOW_MANAGER_WINDOW_OPEN', (event, args...) ->
event.sender.emit 'new-window', event, args...
if event.sender.isGuest() or event.defaultPrevented
event.returnValue = null
else
[url, frameName, options] = args
event.returnValue = createGuest event.sender, url, options
ipc.on 'ATOM_SHELL_GUEST_WINDOW_MANAGER_WINDOW_CLOSE', (event, args...) ->
guest = removeGuest args...
guest.destroy()