Initial pass of shared workers renderer-side code

chrome/renderer/websharedworker_impl.cc

+// Copyright (c) 2009 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 "chrome/renderer/websharedworker_impl.h"
+
+#include "chrome/common/render_messages.h"
+#include "chrome/common/webmessageportchannel_impl.h"
+#include "chrome/common/worker_messages.h"
+#include "webkit/api/public/WebURL.h"
+
+WebSharedWorkerImpl::WebSharedWorkerImpl(const GURL& url,
+                                         const string16& name,
+                                         ChildThread* child_thread,
+                                         int route_id,
+                                         int render_view_route_id)
+    : WebWorkerBase(child_thread, route_id, render_view_route_id),
+      url_(url),
+      name_(name) {
+}
+
+bool WebSharedWorkerImpl::isStarted() {
+  return IsStarted();
+}
+
+void WebSharedWorkerImpl::startWorkerContext(
+    const WebKit::WebURL& script_url,
+    const WebKit::WebString& user_agent,
+    const WebKit::WebString& source_code) {
+  DCHECK(url_ == script_url);
+  IPC::Message* create_message = new ViewHostMsg_CreateSharedWorker(
+      url_, name_, render_view_route_id_, &route_id_);
+  CreateWorkerContext(create_message, script_url, user_agent, source_code);
+}
+
+void WebSharedWorkerImpl::connect(WebKit::WebMessagePortChannel* channel) {
+  WebMessagePortChannelImpl* webchannel =
+        static_cast<WebMessagePortChannelImpl*>(channel);
+
+  int message_port_id = webchannel->message_port_id();
+  DCHECK(message_port_id != MSG_ROUTING_NONE);
+  webchannel->QueueMessages();
+
+  Send(new WorkerMsg_Connect(route_id_, message_port_id, MSG_ROUTING_NONE));
+}
+
+void WebSharedWorkerImpl::OnMessageReceived(const IPC::Message& message) {
+  IPC_BEGIN_MESSAGE_MAP(WebSharedWorkerImpl, message)
+    IPC_MESSAGE_HANDLER(ViewMsg_WorkerCreated, OnWorkerCreated)
+  IPC_END_MESSAGE_MAP()
+}
+
+void WebSharedWorkerImpl::OnWorkerCreated() {
+  // The worker is created - now send off the CreateWorkerContext message and
+  // any other queued messages
+  SendQueuedMessages();
+}
+