Browser side of new ServiceWorker 'sync' event.

content/browser/service_worker/service_worker_internals_ui.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/service_worker/service_worker_internals_ui.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 31 matching lines @@
       : internals_(internals), original_args_(original_args.Pass()) {}
 
   void GetRegistrationsOnIOThread(ServiceWorkerContextWrapper* context,
                                   const base::FilePath& context_path);
   void UnregisterOnIOThread(scoped_refptr<ServiceWorkerContextWrapper> context,
                             const GURL& scope);
   void StartWorkerOnIOThread(scoped_refptr<ServiceWorkerContextWrapper> context,
                              const GURL& scope);
   void StopWorkerOnIOThread(scoped_refptr<ServiceWorkerContextWrapper> context,
                             const GURL& scope);
+  void DispatchSyncEventToWorkerOnIOThread(
+      scoped_refptr<ServiceWorkerContextWrapper> context,
+      const GURL& scope);
 
  private:
   friend class base::RefCountedThreadSafe<OperationProxy>;
   ~OperationProxy() {}
   void OnHaveRegistrations(
       const base::FilePath& context_path,
       const std::vector<ServiceWorkerRegistrationInfo>& registrations);
 
   void OperationComplete(ServiceWorkerStatusCode status);
 
   void StartActiveWorker(
       ServiceWorkerStatusCode status,
       const scoped_refptr<ServiceWorkerRegistration>& registration);
 
   void StopActiveWorker(
       ServiceWorkerStatusCode status,
       const scoped_refptr<ServiceWorkerRegistration>& registration);
 
+  void DispatchSyncEventToActiveWorker(
+      ServiceWorkerStatusCode status,
+      const scoped_refptr<ServiceWorkerRegistration>& registration);
+
   WeakPtr<ServiceWorkerInternalsUI> internals_;
   scoped_ptr<ListValue> original_args_;
 };
 
 ServiceWorkerInternalsUI::ServiceWorkerInternalsUI(WebUI* web_ui)
     : WebUIController(web_ui) {
   WebUIDataSource* source =
       WebUIDataSource::Create(kChromeUIServiceWorkerInternalsHost);
   source->SetUseJsonJSFormatV2();
   source->SetJsonPath("strings.js");
@@ skipping 16 matching lines @@
       base::Bind(&ServiceWorkerInternalsUI::StartWorker,
                  base::Unretained(this)));
   web_ui->RegisterMessageCallback(
       "stop",
       base::Bind(&ServiceWorkerInternalsUI::StopWorker,
                  base::Unretained(this)));
   web_ui->RegisterMessageCallback(
       "unregister",
       base::Bind(&ServiceWorkerInternalsUI::Unregister,
                  base::Unretained(this)));
+  web_ui->RegisterMessageCallback(
+      "sync",
+      base::Bind(&ServiceWorkerInternalsUI::DispatchSyncEventToWorker,
+                 base::Unretained(this)));
 }
 
 ServiceWorkerInternalsUI::~ServiceWorkerInternalsUI() {}
 
 void ServiceWorkerInternalsUI::GetAllRegistrations(const ListValue* args) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   BrowserContext* browser_context =
       web_ui()->GetWebContents()->GetBrowserContext();
 
@@ skipping 55 matching lines @@
   BrowserContext::StoragePartitionCallback cb =
       base::Bind(&FindContext, *partition_path, &result_partition, context);
   BrowserContext::ForEachStoragePartition(browser_context, cb);
 
   if (!result_partition || !(*context))
     return false;
 
   return true;
 }
 
+void ServiceWorkerInternalsUI::DispatchSyncEventToWorker(
+    const ListValue* args) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  base::FilePath partition_path;
+  GURL scope;
+  scoped_refptr<ServiceWorkerContextWrapper> context;
+  if (!GetRegistrationInfo(args, &partition_path, &scope, &context))
+    return;
+
+  scoped_ptr<ListValue> args_copy(args->DeepCopy());
+  BrowserThread::PostTask(
+      BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(&ServiceWorkerInternalsUI::OperationProxy::
+                     DispatchSyncEventToWorkerOnIOThread,
+                 new OperationProxy(AsWeakPtr(), args_copy.Pass()),
+                 context,
+                 scope));
+}
+
 void ServiceWorkerInternalsUI::Unregister(const ListValue* args) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   base::FilePath partition_path;
   GURL scope;
   scoped_refptr<ServiceWorkerContextWrapper> context;
   if (!GetRegistrationInfo(args, &partition_path, &scope, &context))
     return;
 
   scoped_ptr<ListValue> args_copy(args->DeepCopy());
   BrowserThread::PostTask(
@@ skipping 83 matching lines @@
     const GURL& scope) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   // TODO(alecflett): Add support for starting/stopping workers for
   // pending versions too.
   context->context()->storage()->FindRegistrationForPattern(
       scope,
       base::Bind(&ServiceWorkerInternalsUI::OperationProxy::StopActiveWorker,
                  this));
 }
 
+void
+ServiceWorkerInternalsUI::OperationProxy::DispatchSyncEventToWorkerOnIOThread(
+    scoped_refptr<ServiceWorkerContextWrapper> context,
+    const GURL& scope) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  context->context()->storage()->FindRegistrationForPattern(
+      scope,
+      base::Bind(&ServiceWorkerInternalsUI::OperationProxy::
+                     DispatchSyncEventToActiveWorker,
+                 this));
+}
+
 namespace {
 void UpdateVersionInfo(const ServiceWorkerVersionInfo& version,
                        DictionaryValue* info) {
   switch (version.running_status) {
     case ServiceWorkerVersion::STOPPED:
       info->SetString("running_status", "STOPPED");
       break;
     case ServiceWorkerVersion::STARTING:
       info->SetString("running_status", "STARTING");
       break;
@@ skipping 119 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (status == SERVICE_WORKER_OK) {
     registration->active_version()->StopWorker(base::Bind(
         &ServiceWorkerInternalsUI::OperationProxy::OperationComplete, this));
     return;
   }
 
   OperationComplete(status);
 }
 
+void ServiceWorkerInternalsUI::OperationProxy::DispatchSyncEventToActiveWorker(
+    ServiceWorkerStatusCode status,
+    const scoped_refptr<ServiceWorkerRegistration>& registration) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  if (status == SERVICE_WORKER_OK) {

[kinuko, 2014/04/01 14:40:49]

Shouldn't we check if registration->active_version() is non-null and its status
is ACTIVE before actually calling DispatchSyncEvent?  And if they aren't
probably this should just finish with some error code.

[jkarlin, 2014/04/01 15:06:06]

Done.

+    registration->active_version()->DispatchSyncEvent(base::Bind(
+        &ServiceWorkerInternalsUI::OperationProxy::OperationComplete, this));
+    return;
+  }
+
+  OperationComplete(status);
+}
+
 }  // namespace content