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Don't rely on the global process object for message dispatching

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This commit is contained in:
Cheng Zhao 2015-01-26 18:42:43 -08:00
parent c14c6a3521
commit a10782cdea
3 changed files with 27 additions and 25 deletions
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35
atom/renderer/api/lib/ipc.coffee
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@ -1,26 +1,23 @@
EventEmitter = require('events').EventEmitter
process = global.process
ipc = process.atomBinding('ipc')
binding = process.atomBinding 'ipc'
v8Util = process.atomBinding 'v8_util'
class Ipc extends EventEmitter
constructor: ->
process.on 'ATOM_INTERNAL_MESSAGE', (args...) =>
@emit args...
# Created by init.coffee.
ipc = v8Util.getHiddenValue global, 'ipc'
window.addEventListener 'unload', (event) ->
process.removeAllListeners 'ATOM_INTERNAL_MESSAGE'
ipc.on 'ATOM_INTERNAL_MESSAGE', (args...) ->
@emit args...
send: (args...) ->
ipc.send 'ipc-message', [args...]
ipc.send = (args...) ->
binding.send 'ipc-message', [args...]
sendSync: (args...) ->
JSON.parse ipc.sendSync('ipc-message-sync', [args...])
ipc.sendSync = (args...) ->
JSON.parse binding.sendSync('ipc-message-sync', [args...])
sendToHost: (args...) ->
ipc.send 'ipc-message-host', [args...]
ipc.sendToHost = (args...) ->
binding.send 'ipc-message-host', [args...]
# Discarded
sendChannel: -> @send.apply this, arguments
sendChannelSync: -> @sendSync.apply this, arguments
# Deprecated.
ipc.sendChannel = ipc.send
ipc.sendChannelSync = ipc.sendSync
module.exports = new Ipc
module.exports = ipc

12
atom/renderer/atom_render_view_observer.cc
View file

@ -29,10 +29,10 @@ namespace atom {
namespace {
v8::Handle<v8::Object> GetProcessObject(v8::Isolate* isolate,
v8::Handle<v8::Context> context) {
v8::Handle<v8::String> key = mate::StringToV8(isolate, "process");
return context->Global()->Get(key)->ToObject();
v8::Handle<v8::Object> GetIPCObject(v8::Isolate* isolate,
v8::Handle<v8::Context> context) {
v8::Handle<v8::String> key = mate::StringToV8(isolate, "ipc");
return context->Global()->GetHiddenValue(key)->ToObject();
}
std::vector<v8::Handle<v8::Value>> ListValueToVector(
@ -118,8 +118,8 @@ void AtomRenderViewObserver::OnBrowserMessage(const base::string16& channel,
isolate, args);
arguments.insert(arguments.begin(), mate::ConvertToV8(isolate, channel));
v8::Handle<v8::Object> process = GetProcessObject(isolate, context);
node::MakeCallback(isolate, process, "emit", arguments.size(), &arguments[0]);
v8::Handle<v8::Object> ipc = GetIPCObject(isolate, context);
node::MakeCallback(isolate, ipc, "emit", arguments.size(), &arguments[0]);
}
} // namespace atom

5
atom/renderer/lib/init.coffee
View file

@ -1,4 +1,5 @@
process = global.process
events = require 'events'
path = require 'path'
url = require 'url'
Module = require 'module'
@ -21,6 +22,10 @@ globalPaths.push path.join(process.resourcesPath, 'app')
# Import common settings.
require path.resolve(__dirname, '..', '..', 'common', 'lib', 'init')
# The global variable will be used by ipc for event dispatching
v8Util = process.atomBinding 'v8_util'
v8Util.setHiddenValue global, 'ipc', new events.EventEmitter
# Process command line arguments.
nodeIntegration = 'false'
for arg in process.argv