Implement ServiceWorker::postMessage() [Chromium]

content/child/service_worker/web_service_worker_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/child/service_worker/web_service_worker_impl.h"
 
+#include "content/child/thread_safe_sender.h"
+#include "content/child/webmessageportchannel_impl.h"
+#include "content/common/service_worker/service_worker_messages.h"
+#include "ipc/ipc_message.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+
+using blink::WebMessagePortChannel;
+using blink::WebMessagePortChannelArray;
+using blink::WebMessagePortChannelClient;
+using blink::WebString;
+
 namespace content {
 
 WebServiceWorkerImpl::~WebServiceWorkerImpl() {}
 
+void WebServiceWorkerImpl::postMessage(
+    const WebString& message,
+    WebMessagePortChannelArray* channels) {
+  PostMessage(message, channels);

[marja, 2014/03/17 09:15:02]

Why this indirection?

[jsbell, 2014/03/17 16:49:06]

No need now. Squashed the methods.

(Before I factored ExtractMessagePortIDs out, I wanted to sequester the
copy/pasta into its own Chromium-specific method rather than putting all the
logic into the Blink interface impl.)

+}
+
+void WebServiceWorkerImpl::PostMessage(
+    const base::string16& message,
+    WebMessagePortChannelArray* channels) {
+  std::vector<int> message_port_ids;
+  WebMessagePortChannelImpl::ExtractMessagePortIDs(channels, &message_port_ids);
+  thread_safe_sender_->Send(new ServiceWorkerHostMsg_PostMessage(
+      registration_id_, message, message_port_ids));
+}
+
 }  // namespace content