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Support passing callbacks from renderer to browser.

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This commit is contained in:
Cheng Zhao 2013-04-29 18:24:37 +08:00
parent 948e50285d
commit f1e15b49a9
2 changed files with 62 additions and 3 deletions
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23
browser/atom/rpc_server.coffee
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@ -1,6 +1,23 @@
ipc = require 'ipc'
path = require 'path'
objectsRegistry = require './objects_registry.js'
v8_util = process.atomBinding 'v8_util'
# Convert list of meta information into real arguments array, the main
# purpose is to turn remote function's id into delegate function.
argsToValues = (processId, routingId, metas) ->
constructCallback = (meta) ->
return meta.value if meta.type is 'value'
# Create a delegate function to do asynchronous RPC call.
ret = ->
args = new Meta(processId, routingId, arguments)
ipc.sendChannel processId, routingId, 'ATOM_INTERNAL_FUNCTION_CALL', meta.id, args
v8_util.setDestructor ret, ->
ipc.sendChannel processId, routingId, 'ATOM_INTERNAL_DEREFERENCE', meta.id
ret
constructCallback meta for meta in metas
# Convert a real value into a POD structure which carries information of this
# value.
@ -10,6 +27,9 @@ class Meta
@type = 'value' if value is null
@type = 'array' if Array.isArray value
# Treat the arguments object as array.
@type = 'array' if @type is 'object' and value.callee? and value.length?
if @type is 'array'
@members = []
@members.push new Meta(processId, routingId, el) for el in value
@ -46,6 +66,7 @@ ipc.on 'ATOM_INTERNAL_CURRENT_WINDOW', (event, processId, routingId) ->
ipc.on 'ATOM_INTERNAL_CONSTRUCTOR', (event, processId, routingId, id, args) ->
try
args = argsToValues processId, routingId, args
constructor = objectsRegistry.get id
# Call new with array of arguments.
# http://stackoverflow.com/questions/1606797/use-of-apply-with-new-operator-is-this-possible
@ -56,6 +77,7 @@ ipc.on 'ATOM_INTERNAL_CONSTRUCTOR', (event, processId, routingId, id, args) ->
ipc.on 'ATOM_INTERNAL_FUNCTION_CALL', (event, processId, routingId, id, args) ->
try
args = argsToValues processId, routingId, args
func = objectsRegistry.get id
ret = func.apply global, args
event.result = new Meta(processId, routingId, ret)
@ -64,6 +86,7 @@ ipc.on 'ATOM_INTERNAL_FUNCTION_CALL', (event, processId, routingId, id, args) ->
ipc.on 'ATOM_INTERNAL_MEMBER_CALL', (event, processId, routingId, id, method, args) ->
try
args = argsToValues processId, routingId, args
obj = objectsRegistry.get id
ret = obj[method].apply(obj, args)
event.result = new Meta(processId, routingId, ret)