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Make the RPC stuff code more understandable.

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This commit is contained in:
Cheng Zhao 2013-04-26 23:58:49 +08:00
parent da3d4c8408
commit b35946381b
3 changed files with 47 additions and 33 deletions
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22
browser/atom/rpc_server.coffee
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@ -2,7 +2,9 @@ ipc = require 'ipc'
path = require 'path'
objectsRegistry = require './objects_registry.js'
class PlainObject
# Convert a real value into a POD structure which carries information of this
# value.
class Meta
constructor: (process_id, routing_id, value) ->
@type = typeof value
@type = 'value' if value is null
@ -10,9 +12,13 @@ class PlainObject
if @type is 'array'
@members = []
@members.push new PlainObject(process_id, routing_id, el) for el in value
@members.push new Meta(process_id, routing_id, el) for el in value
else if @type is 'object' or @type is 'function'
@name = value.constructor.name
# Reference the original value if it's an object, because when it's
# passed to renderer we would assume the renderer keeps a reference of
# it.
@storeId = objectsRegistry.add process_id, routing_id, value
@id = value.id
@ -24,7 +30,7 @@ class PlainObject
ipc.on 'ATOM_INTERNAL_REQUIRE', (event, process_id, routing_id, module) ->
try
event.result = new PlainObject(process_id, routing_id, require(module))
event.result = new Meta(process_id, routing_id, require(module))
catch e
event.result = type: 'error', value: e.message
@ -34,7 +40,7 @@ ipc.on 'ATOM_INTERNAL_CONSTRUCTOR', (event, process_id, routing_id, id, args) ->
# Call new with array of arguments.
# http://stackoverflow.com/questions/1606797/use-of-apply-with-new-operator-is-this-possible
obj = new (Function::bind.apply(constructor, [null].concat(args)))
event.result = new PlainObject(process_id, routing_id, obj)
event.result = new Meta(process_id, routing_id, obj)
catch e
event.result = type: 'error', value: e.message
@ -42,7 +48,7 @@ ipc.on 'ATOM_INTERNAL_FUNCTION_CALL', (event, process_id, routing_id, id, args)
try
func = objectsRegistry.get id
ret = func.apply global, args
event.result = new PlainObject(process_id, routing_id, ret)
event.result = new Meta(process_id, routing_id, ret)
catch e
event.result = type: 'error', value: e.message
@ -50,7 +56,7 @@ ipc.on 'ATOM_INTERNAL_MEMBER_CALL', (event, process_id, routing_id, id, method,
try
obj = objectsRegistry.get id
ret = obj[method].apply(obj, args)
event.result = new PlainObject(process_id, routing_id, ret)
event.result = new Meta(process_id, routing_id, ret)
catch e
event.result = type: 'error', value: e.message
@ -64,14 +70,14 @@ ipc.on 'ATOM_INTERNAL_MEMBER_SET', (event, process_id, routing_id, id, name, val
ipc.on 'ATOM_INTERNAL_MEMBER_GET', (event, process_id, routing_id, id, name) ->
try
obj = objectsRegistry.get id
event.result = new PlainObject(process_id, routing_id, obj[name])
event.result = new Meta(process_id, routing_id, obj[name])
catch e
event.result = type: 'error', value: e.message
ipc.on 'ATOM_INTERNAL_REFERENCE', (event, process_id, routing_id, id) ->
try
obj = objectsRegistry.get id
event.result = new PlainObject(process_id, routing_id, obj)
event.result = new Meta(process_id, routing_id, obj)
catch e
event.result = type: 'error', value: e.message