DevTools: devtools message plumbing between worker and page processes

chrome/worker/worker_devtools_agent.cc

+// Copyright (c) 2011 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/worker/worker_devtools_agent.h"
+
+#include "chrome/common/devtools_messages.h"
+#include "content/worker/worker_thread.h"
+#include "ipc/ipc_message.h"
+#include "ipc/ipc_message_macros.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebCString.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebWorker.h"
+
+using WebKit::WebString;
+using WebKit::WebCString;
+using WebKit::WebWorker;
+
+WorkerDevToolsAgent::WorkerDevToolsAgent(int route_id, WebWorker* webworker)
+    : route_id_(route_id)
+    , webworker_(webworker) {
+}
+
+WorkerDevToolsAgent::~WorkerDevToolsAgent() {
+}
+
+// Called on the Worker thread.
+bool WorkerDevToolsAgent::OnMessageReceived(const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(WorkerDevToolsAgent, message)
+    IPC_MESSAGE_HANDLER(WorkerDevToolsAgentMsg_Attach, OnAttach)
+    IPC_MESSAGE_HANDLER(WorkerDevToolsAgentMsg_Detach, OnDetach)
+    IPC_MESSAGE_HANDLER(WorkerDevToolsAgentMsg_DispatchOnInspectorBackend,
+                        OnDispatchOnInspectorBackend)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void WorkerDevToolsAgent::WebWorkerStubDestroyed() {
+  delete this;
+}
+
+void WorkerDevToolsAgent::OnAttach() {
+  webworker_->attachDevTools();
+}
+
+void WorkerDevToolsAgent::OnDetach() {
+  webworker_->detachDevTools();
+}
+
+void WorkerDevToolsAgent::OnDispatchOnInspectorBackend(
+    const std::string& message) {
+  webworker_->dispatchDevToolsMessage(WebString::fromUTF8(message));
+}
+
+bool WorkerDevToolsAgent::Send(IPC::Message* message) {
+  return WorkerThread::current()->Send(message);
+}
+
+void WorkerDevToolsAgent::SendDevToolsMessage(const WebString& message)
+{
+  Send(new DevToolsAgentMsg_DispatchMessageFromWorker(route_id_,
+                                                      message.utf8()));
+}