Add option to open the DevTools window for ServiceWorker on start in serviceworker-internals.

content/browser/devtools/embedded_worker_devtools_manager.cc

 // Copyright 2014 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/browser/devtools/embedded_worker_devtools_manager.h"
 
 #include "content/browser/devtools/devtools_manager_impl.h"
 #include "content/browser/devtools/devtools_protocol.h"
 #include "content/browser/devtools/devtools_protocol_constants.h"
 #include "content/browser/devtools/ipc_devtools_agent_host.h"
@@ skipping 160 matching lines @@
 DevToolsAgentHost* EmbeddedWorkerDevToolsManager::GetDevToolsAgentHostForWorker(
     int worker_process_id,
     int worker_route_id) {
   WorkerId id(worker_process_id, worker_route_id);
 
   WorkerInfoMap::iterator it = workers_.find(id);
   if (it == workers_.end())
     return NULL;
 
   WorkerInfo* info = it->second;
-  if (info->state() != WORKER_UNINSPECTED)
+  if (info->state() != WORKER_UNINSPECTED &&
+      info->state() != WORKER_PAUSED_FOR_DEBUG_ON_START) {
     return info->agent_host();
+  }
 
   EmbeddedWorkerDevToolsAgentHost* agent_host =
       new EmbeddedWorkerDevToolsAgentHost(id);
   info->set_agent_host(agent_host);
   info->set_state(WORKER_INSPECTED);
   return agent_host;
 }
 
 DevToolsAgentHost*
 EmbeddedWorkerDevToolsManager::GetDevToolsAgentHostForServiceWorker(
     const ServiceWorkerIdentifier& service_worker_id) {
   WorkerInfoMap::iterator it = FindExistingServiceWorkerInfo(service_worker_id);
   if (it == workers_.end())
     return NULL;
   return GetDevToolsAgentHostForWorker(it->first.first, it->first.second);
 }
 
-EmbeddedWorkerDevToolsManager::EmbeddedWorkerDevToolsManager() {
+EmbeddedWorkerDevToolsManager::EmbeddedWorkerDevToolsManager()
+    : debug_service_worker_on_start_(false) {
 }
 
 EmbeddedWorkerDevToolsManager::~EmbeddedWorkerDevToolsManager() {
 }
 
 bool EmbeddedWorkerDevToolsManager::SharedWorkerCreated(
     int worker_process_id,
     int worker_route_id,
     const SharedWorkerInstance& instance) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 10 matching lines @@
 
 bool EmbeddedWorkerDevToolsManager::ServiceWorkerCreated(
     int worker_process_id,
     int worker_route_id,
     const ServiceWorkerIdentifier& service_worker_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   const WorkerId id(worker_process_id, worker_route_id);
   WorkerInfoMap::iterator it = FindExistingServiceWorkerInfo(service_worker_id);
   if (it == workers_.end()) {
     scoped_ptr<WorkerInfo> info(new WorkerInfo(service_worker_id));
+    if (debug_service_worker_on_start_)
+      info->set_state(WORKER_PAUSED_FOR_DEBUG_ON_START);
     workers_.set(id, info.Pass());
-    return false;
+    return debug_service_worker_on_start_;
   }
   MoveToPausedState(id, it);
   return true;
 }
 
 void EmbeddedWorkerDevToolsManager::WorkerDestroyed(int worker_process_id,
                                                     int worker_route_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   const WorkerId id(worker_process_id, worker_route_id);
   WorkerInfoMap::iterator it = workers_.find(id);
@@ skipping 17 matching lines @@
               devtools::Worker::disconnectedFromWorker::kName, NULL)
               ->Serialize();
       DevToolsManagerImpl::GetInstance()->DispatchOnInspectorFrontend(
           agent_host, notification);
       agent_host->DetachFromWorker();
       break;
     }
     case WORKER_TERMINATED:
       NOTREACHED();
       break;
-    case WORKER_PAUSED: {
+    case WORKER_PAUSED_FOR_DEBUG_ON_START:

[yurys, 2014/05/28 10:54:53]

case WORKER_PAUSED_FOR_DEBUG_ON_START: can be placed after case
WORKER_UNINSPECTED: and using fall through you would have workers_.erase(it); in
a single place.

[horo, 2014/05/28 11:04:17]

Done.

+      workers_.erase(it);
+      break;
+    case WORKER_PAUSED_FOR_REATTACH: {
       scoped_ptr<WorkerInfo> worker_info = workers_.take_and_erase(it);
       worker_info->set_state(WORKER_TERMINATED);
       const WorkerId old_id = worker_info->agent_host()->worker_id();
       workers_.set(old_id, worker_info.Pass());
       break;
     }
   }
 }
 
 void EmbeddedWorkerDevToolsManager::WorkerContextStarted(int worker_process_id,
                                                          int worker_route_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   const WorkerId id(worker_process_id, worker_route_id);
   WorkerInfoMap::iterator it = workers_.find(id);
   DCHECK(it != workers_.end());
   WorkerInfo* info = it->second;
-  if (info->state() != WORKER_PAUSED)
-    return;
-  info->agent_host()->ReattachToWorker(id);
-  info->set_state(WORKER_INSPECTED);
+  if (info->state() == WORKER_PAUSED_FOR_DEBUG_ON_START) {
+    RenderProcessHost* rph = RenderProcessHost::FromID(worker_process_id);
+    scoped_refptr<DevToolsAgentHost> agent_host(
+        GetDevToolsAgentHostForWorker(worker_process_id, worker_route_id));
+    DevToolsManagerImpl::GetInstance()->Inspect(rph->GetBrowserContext(),
+                                                agent_host.get());
+  } else if (info->state() == WORKER_PAUSED_FOR_REATTACH) {
+    info->agent_host()->ReattachToWorker(id);
+    info->set_state(WORKER_INSPECTED);
+  }
 }
 
 void EmbeddedWorkerDevToolsManager::RemoveInspectedWorkerData(
     EmbeddedWorkerDevToolsAgentHost* agent_host) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   const WorkerId id(agent_host->worker_id());
   scoped_ptr<WorkerInfo> worker_info = workers_.take_and_erase(id);
   if (worker_info) {
     DCHECK_EQ(WORKER_TERMINATED, worker_info->state());
     return;
   }
   for (WorkerInfoMap::iterator it = workers_.begin(); it != workers_.end();
        ++it) {
     if (it->second->agent_host() == agent_host) {
-      DCHECK_EQ(WORKER_PAUSED, it->second->state());
+      DCHECK_EQ(WORKER_PAUSED_FOR_REATTACH, it->second->state());
       SendMessageToWorker(
           it->first,
           new DevToolsAgentMsg_ResumeWorkerContext(it->first.second));
       it->second->set_agent_host(NULL);
       it->second->set_state(WORKER_UNINSPECTED);
       return;
     }
   }
 }
 
@@ skipping 17 matching lines @@
       break;
   }
   return it;
 }
 
 void EmbeddedWorkerDevToolsManager::MoveToPausedState(
     const WorkerId& id,
     const WorkerInfoMap::iterator& it) {
   DCHECK_EQ(WORKER_TERMINATED, it->second->state());
   scoped_ptr<WorkerInfo> info = workers_.take_and_erase(it);
-  info->set_state(WORKER_PAUSED);
+  info->set_state(WORKER_PAUSED_FOR_REATTACH);
   workers_.set(id, info.Pass());
 }
 
 void EmbeddedWorkerDevToolsManager::ResetForTesting() {
   workers_.clear();
 }
 
 }  // namespace content