electron/atom/browser/lib/guest-view-manager.coffee
2014-11-05 14:59:28 +08:00

89 lines
2.7 KiB
CoffeeScript

ipc = require 'ipc'
webContents = require 'web-contents'
webViewManager = null # Doesn't exist in early initialization.
supportedWebViewEvents = [
'did-finish-load'
'did-fail-load'
'did-frame-finish-load'
'did-start-loading'
'did-stop-loading'
'did-get-redirect-request'
'console-message'
'new-window'
'close'
'crashed'
'destroyed'
]
nextInstanceId = 0
guestInstances = {}
# Generate guestInstanceId.
getNextInstanceId = (webContents) ->
++nextInstanceId
# Create a new guest instance.
createGuest = (embedder, params) ->
webViewManager ?= process.atomBinding 'web_view_manager'
id = getNextInstanceId embedder
guest = webContents.create
isGuest: true
guestInstanceId: id
storagePartitionId: params.storagePartitionId
guestInstances[id] = {guest, embedder}
webViewManager.addGuest id, embedder, guest, params.nodeIntegration, params.plugins
# Destroy guest when the embedder is gone.
embedder.once 'render-view-deleted', ->
destroyGuest id if guestInstances[id]?
# Init guest web view after attached.
guest.once 'did-attach', (event, params) ->
@viewInstanceId = params.instanceId
min = width: params.minwidth, height: params.minheight
max = width: params.maxwidth, height: params.maxheight
@setAutoSize params.autosize, min, max
if params.src
@loadUrl params.src
if params.allowtransparency?
@setAllowTransparency params.allowtransparency
# Dispatch events to embedder.
for event in supportedWebViewEvents
do (event) ->
guest.on event, (_, args...) ->
embedder.send "ATOM_SHELL_GUEST_VIEW_INTERNAL_DISPATCH_EVENT-#{guest.viewInstanceId}", event, args...
# Autosize.
guest.on 'size-changed', (_, args...) ->
embedder.send "ATOM_SHELL_GUEST_VIEW_INTERNAL_SIZE_CHANGED", args...
id
# Destroy an existing guest instance.
destroyGuest = (id) ->
webViewManager.removeGuest id
guestInstances[id].guest.destroy()
delete guestInstances[id]
ipc.on 'ATOM_SHELL_GUEST_VIEW_MANAGER_CREATE_GUEST', (event, type, params, requestId) ->
event.sender.send "ATOM_SHELL_RESPONSE_#{requestId}", createGuest(event.sender, params)
ipc.on 'ATOM_SHELL_GUEST_VIEW_MANAGER_DESTROY_GUEST', (event, id) ->
destroyGuest id
ipc.on 'ATOM_SHELL_GUEST_VIEW_MANAGER_SET_AUTO_SIZE', (event, id, params) ->
guestInstances[id]?.guest.setAutoSize params.enableAutoSize, params.min, params.max
ipc.on 'ATOM_SHELL_GUEST_VIEW_MANAGER_SET_ALLOW_TRANSPARENCY', (event, id, allowtransparency) ->
guestInstances[id]?.guest.setAllowTransparency allowtransparency
# Returns WebContents from its guest id.
exports.getGuest = (id) ->
guestInstances[id]?.guest
# Returns the embedder of the guest.
exports.getEmbedder = (id) ->
guestInstances[id]?.embedder