Handle IPC messages in webContents instead of BrowserWindow.

This commit is contained in:
Cheng Zhao 2014-04-25 16:13:16 +08:00
parent 1815f8b40d
commit c0875864dc
21 changed files with 138 additions and 421 deletions

View file

@ -4,7 +4,7 @@ objectsRegistry = require './objects-registry.js'
v8Util = process.atomBinding 'v8_util'
# Convert a real value into meta data.
valueToMeta = (processId, routingId, value) ->
valueToMeta = (sender, value) ->
meta = type: typeof value
meta.type = 'value' if value is null
@ -15,13 +15,15 @@ valueToMeta = (processId, routingId, value) ->
if meta.type is 'array'
meta.members = []
meta.members.push valueToMeta(processId, routingId, el) for el in value
meta.members.push valueToMeta(sender, 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.
processId = sender.getProcessId()
routingId = sender.getRoutingId()
[meta.id, meta.storeId] = objectsRegistry.add processId, routingId, value
meta.members = []
@ -37,12 +39,14 @@ errorToMeta = (error) ->
type: 'error', message: error.message, stack: (error.stack || error)
# Convert array of meta data from renderer into array of real values.
unwrapArgs = (processId, routingId, args) ->
unwrapArgs = (sender, args) ->
processId = sender.getProcessId()
routingId = sender.getRoutingId()
metaToValue = (meta) ->
switch meta.type
when 'value' then meta.value
when 'remote-object' then objectsRegistry.get meta.id
when 'array' then unwrapArgs processId, routingId, meta.value
when 'array' then unwrapArgs sender, meta.value
when 'object'
ret = v8Util.createObjectWithName meta.name
for member in meta.members
@ -58,10 +62,10 @@ unwrapArgs = (processId, routingId, args) ->
ret = ->
throw new Error('Calling a callback of released renderer view') if rendererReleased
ipc.sendChannel processId, routingId, 'ATOM_RENDERER_CALLBACK', meta.id, valueToMeta(processId, routingId, arguments)
sender.send 'ATOM_RENDERER_CALLBACK', meta.id, valueToMeta(sender, arguments)
v8Util.setDestructor ret, ->
return if rendererReleased
ipc.sendChannel processId, routingId, 'ATOM_RENDERER_RELEASE_CALLBACK', meta.id
sender.send 'ATOM_RENDERER_RELEASE_CALLBACK', meta.id
ret
else throw new TypeError("Unknown type: #{meta.type}")
@ -69,78 +73,80 @@ unwrapArgs = (processId, routingId, args) ->
# Call a function and send reply asynchronously if it's a an asynchronous
# style function and the caller didn't pass a callback.
callFunction = (event, processId, routingId, func, caller, args) ->
callFunction = (event, func, caller, args) ->
if v8Util.getHiddenValue(func, 'asynchronous') and typeof args[args.length - 1] isnt 'function'
args.push (ret) ->
event.returnValue = valueToMeta processId, routingId, ret
event.returnValue = valueToMeta event.sender, ret
func.apply caller, args
else
ret = func.apply caller, args
event.returnValue = valueToMeta processId, routingId, ret
event.returnValue = valueToMeta event.sender, ret
# Send by BrowserWindow when its render view is deleted.
process.on 'ATOM_BROWSER_RELEASE_RENDER_VIEW', (processId, routingId) ->
objectsRegistry.clear processId, routingId
ipc.on 'ATOM_BROWSER_REQUIRE', (event, processId, routingId, module) ->
ipc.on 'ATOM_BROWSER_REQUIRE', (event, module) ->
try
event.returnValue = valueToMeta processId, routingId, require(module)
event.returnValue = valueToMeta event.sender, require(module)
catch e
event.returnValue = errorToMeta e
ipc.on 'ATOM_BROWSER_GLOBAL', (event, processId, routingId, name) ->
ipc.on 'ATOM_BROWSER_GLOBAL', (event, name) ->
try
event.returnValue = valueToMeta processId, routingId, global[name]
event.returnValue = valueToMeta event.sender, global[name]
catch e
event.returnValue = errorToMeta e
ipc.on 'ATOM_BROWSER_CURRENT_WINDOW', (event, processId, routingId) ->
ipc.on 'ATOM_BROWSER_CURRENT_WINDOW', (event) ->
try
BrowserWindow = require 'browser-window'
processId = event.sender.getProcessId()
routingId = event.sender.getRoutingId()
window = BrowserWindow.fromProcessIdAndRoutingId processId, routingId
window = BrowserWindow.fromDevTools processId, routingId unless window?
event.returnValue = valueToMeta processId, routingId, window
event.returnValue = valueToMeta event.sender, window
catch e
event.returnValue = errorToMeta e
ipc.on 'ATOM_BROWSER_CONSTRUCTOR', (event, processId, routingId, id, args) ->
ipc.on 'ATOM_BROWSER_CONSTRUCTOR', (event, id, args) ->
try
args = unwrapArgs processId, routingId, args
args = unwrapArgs event.sender, 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
obj = new (Function::bind.apply(constructor, [null].concat(args)))
event.returnValue = valueToMeta processId, routingId, obj
event.returnValue = valueToMeta event.sender, obj
catch e
event.returnValue = errorToMeta e
ipc.on 'ATOM_BROWSER_FUNCTION_CALL', (event, processId, routingId, id, args) ->
ipc.on 'ATOM_BROWSER_FUNCTION_CALL', (event, id, args) ->
try
args = unwrapArgs processId, routingId, args
args = unwrapArgs event.sender, args
func = objectsRegistry.get id
callFunction event, processId, routingId, func, global, args
callFunction event, func, global, args
catch e
event.returnValue = errorToMeta e
ipc.on 'ATOM_BROWSER_MEMBER_CONSTRUCTOR', (event, processId, routingId, id, method, args) ->
ipc.on 'ATOM_BROWSER_MEMBER_CONSTRUCTOR', (event, id, method, args) ->
try
args = unwrapArgs processId, routingId, args
args = unwrapArgs event.sender, args
constructor = objectsRegistry.get(id)[method]
# Call new with array of arguments.
obj = new (Function::bind.apply(constructor, [null].concat(args)))
event.returnValue = valueToMeta processId, routingId, obj
event.returnValue = valueToMeta event.sender, obj
catch e
event.returnValue = errorToMeta e
ipc.on 'ATOM_BROWSER_MEMBER_CALL', (event, processId, routingId, id, method, args) ->
ipc.on 'ATOM_BROWSER_MEMBER_CALL', (event, id, method, args) ->
try
args = unwrapArgs processId, routingId, args
args = unwrapArgs event.sender, args
obj = objectsRegistry.get id
callFunction event, processId, routingId, obj[method], obj, args
callFunction event, obj[method], obj, args
catch e
event.returnValue = errorToMeta e
ipc.on 'ATOM_BROWSER_MEMBER_SET', (event, processId, routingId, id, name, value) ->
ipc.on 'ATOM_BROWSER_MEMBER_SET', (event, id, name, value) ->
try
obj = objectsRegistry.get id
obj[name] = value
@ -148,12 +154,14 @@ ipc.on 'ATOM_BROWSER_MEMBER_SET', (event, processId, routingId, id, name, value)
catch e
event.returnValue = errorToMeta e
ipc.on 'ATOM_BROWSER_MEMBER_GET', (event, processId, routingId, id, name) ->
ipc.on 'ATOM_BROWSER_MEMBER_GET', (event, id, name) ->
try
obj = objectsRegistry.get id
event.returnValue = valueToMeta processId, routingId, obj[name]
event.returnValue = valueToMeta event.sender, obj[name]
catch e
event.returnValue = errorToMeta e
ipc.on 'ATOM_BROWSER_DEREFERENCE', (processId, routingId, storeId) ->
ipc.on 'ATOM_BROWSER_DEREFERENCE', (event, storeId) ->
processId = event.sender.getProcessId()
routingId = event.sender.getRoutingId()
objectsRegistry.remove processId, routingId, storeId