electron/browser/atom/rpc_server.coffee

127 lines
4.5 KiB
CoffeeScript
Raw Normal View History

ipc = require 'ipc'
path = require 'path'
objectsRegistry = require './objects_registry.js'
v8_util = process.atomBinding 'v8_util'
# Convert a real value into meta data.
valueToMeta = (processId, routingId, value) ->
meta = type: typeof value
meta.type = 'value' if value is null
meta.type = 'array' if Array.isArray value
# Treat the arguments object as array.
meta.type = 'array' if meta.type is 'object' and value.callee? and value.length?
if meta.type is 'array'
meta.members = []
meta.members.push valueToMeta(processId, routingId, el) for el in value
else if meta.type is 'object' or meta.type is 'function'
meta.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.
meta.storeId = objectsRegistry.add processId, routingId, value
meta.id = value.id
meta.members = []
meta.members.push {name: prop, type: typeof field} for prop, field of value
else
meta.type = 'value'
meta.value = value
meta
# Convert array of meta data from renderer into array of real values.
unwrapArgs = (processId, routingId, args) ->
args.map (meta) ->
switch meta.type
when 'value' then meta.value
when 'object' then objectsRegistry.get meta.id
when 'function'
ret = ->
ipc.sendChannel processId, routingId, 'ATOM_RENDERER_CALLBACK', meta.id, valueToMeta(processId, routingId, arguments)
v8_util.setDestructor ret, ->
ipc.sendChannel processId, routingId, 'ATOM_RENDERER_RELEASE_CALLBACK', meta.id
ret
else throw new TypeError("Unknown type: #{meta.type}")
ipc.on 'ATOM_BROWSER_REQUIRE', (event, processId, routingId, module) ->
try
event.result = valueToMeta processId, routingId, require(module)
catch e
event.result = type: 'error', value: e.message
ipc.on 'ATOM_BROWSER_GLOBAL', (event, processId, routingId, name) ->
try
event.result = valueToMeta processId, routingId, global[name]
catch e
event.result = type: 'error', value: e.message
ipc.on 'ATOM_BROWSER_RELEASE_RENDER_VIEW', (event, processId, routingId) ->
objectsRegistry.clear processId, routingId
ipc.on 'ATOM_BROWSER_CURRENT_WINDOW', (event, processId, routingId) ->
try
windows = objectsRegistry.getAllWindows()
for window in windows
2013-05-03 07:21:41 +00:00
break if window.getProcessId() == processId and
window.getRoutingId() == routingId
event.result = valueToMeta processId, routingId, window
catch e
event.result = type: 'error', value: e.message
ipc.on 'ATOM_BROWSER_CONSTRUCTOR', (event, processId, routingId, id, args) ->
try
args = unwrapArgs processId, routingId, args
constructor = objectsRegistry.get id
2013-04-25 07:12:56 +00:00
# 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 = valueToMeta processId, routingId, obj
catch e
event.result = type: 'error', value: e.message
ipc.on 'ATOM_BROWSER_FUNCTION_CALL', (event, processId, routingId, id, args) ->
try
args = unwrapArgs processId, routingId, args
func = objectsRegistry.get id
ret = func.apply global, args
event.result = valueToMeta processId, routingId, ret
catch e
event.result = type: 'error', value: e.message
ipc.on 'ATOM_BROWSER_MEMBER_CALL', (event, processId, routingId, id, method, args) ->
try
args = unwrapArgs processId, routingId, args
obj = objectsRegistry.get id
ret = obj[method].apply(obj, args)
event.result = valueToMeta processId, routingId, ret
catch e
event.result = type: 'error', value: e.message
ipc.on 'ATOM_BROWSER_MEMBER_SET', (event, processId, routingId, id, name, value) ->
try
obj = objectsRegistry.get id
obj[name] = value
catch e
event.result = type: 'error', value: e.message
ipc.on 'ATOM_BROWSER_MEMBER_GET', (event, processId, routingId, id, name) ->
try
obj = objectsRegistry.get id
event.result = valueToMeta processId, routingId, obj[name]
catch e
event.result = type: 'error', value: e.message
ipc.on 'ATOM_BROWSER_REFERENCE', (event, processId, routingId, id) ->
try
obj = objectsRegistry.get id
event.result = valueToMeta processId, routingId, obj
catch e
event.result = type: 'error', value: e.message
ipc.on 'ATOM_BROWSER_DEREFERENCE', (processId, routingId, storeId) ->
objectsRegistry.remove processId, routingId, storeId