Prefer event.returnValue to event.result for sync messages.

This commit is contained in:
Cheng Zhao 2013-09-20 21:24:04 +08:00
parent 50b5272354
commit b225a59a15
3 changed files with 6 additions and 4 deletions

View file

@ -18,7 +18,7 @@ Emitted when renderer sent a message to the browser.
* `routingId` Integer
Emitted when renderer sent a synchronous message to the browser. The receiver
should store the result in `event.result`.
should store the result in `event.returnValue`.
**Note:** Due to the limitation of `EventEmitter`, returning value in the
event handler has no effect, so we have to store the result by using the

View file

@ -30,7 +30,7 @@ An example of sending synchronous message from renderer to browser:
// In browser:
var ipc = require('ipc');
ipc.on('browser-data-request', function(event, processId, routingId, message) {
event.result = 'THIS SOME DATA FROM THE BROWSER';
event.returnValue = 'THIS SOME DATA FROM THE BROWSER';
});
```

View file

@ -16,9 +16,11 @@ class Ipc extends EventEmitter
ipc.send('ATOM_INTERNAL_MESSAGE', args...)
sendSync: (args...) ->
ipc.sendSync('ATOM_INTERNAL_MESSAGE_SYNC', 'sync-message', args...).result
msg = ipc.sendSync('ATOM_INTERNAL_MESSAGE_SYNC', 'sync-message', args...)
msg.returnValue ? msg.result
sendChannelSync: (args...) ->
ipc.sendSync('ATOM_INTERNAL_MESSAGE_SYNC', args...).result
msg = ipc.sendSync('ATOM_INTERNAL_MESSAGE_SYNC', args...)
msg.returnValue ? msg.result
module.exports = new Ipc