content/renderer/service_worker/embedded_worker_context_client.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_CHILD_SERVICE_WORKER_EMBEDDED_WORKER_CLIENT_H_
   6 #define CONTENT_CHILD_SERVICE_WORKER_EMBEDDED_WORKER_CLIENT_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/strings/string16.h"
  10 #include "ipc/ipc_listener.h"
  11 #include "third_party/WebKit/public/web/WebServiceWorkerContextClient.h"
  12 #include "url/gurl.h"
  13
  14 namespace base {
  15 class MessageLoopProxy;
  16 }
  17
  18 namespace content {
  19
  20 struct ServiceWorkerFetchRequest;
  21 class ThreadSafeSender;
  22
  23 // This class provides access to/from an embedded worker's WorkerGlobalScope.
  24 // All methods other than the constructor (it's created on the main thread)
  25 // are called on the worker thread.
  26 class EmbeddedWorkerContextClient
  27     : public blink::WebServiceWorkerContextClient {
  28  public:
  29   // Returns a thread-specific client instance.  This does NOT create a
  30   // new instance.
  31   static EmbeddedWorkerContextClient* ThreadSpecificInstance();
  32
  33   EmbeddedWorkerContextClient(int embedded_worker_id,
  34                               int64 service_worker_version_id,
  35                               const GURL& script_url);
  36
  37   virtual ~EmbeddedWorkerContextClient();
  38
  39   bool OnMessageReceived(const IPC::Message& msg);
  40
  41   // WebServiceWorkerContextClient overrides.
  42   virtual void workerContextFailedToStart();
  43   virtual void workerContextStarted(blink::WebServiceWorkerContextProxy* proxy);
  44   virtual void workerContextDestroyed();
  45
  46   // TODO: Implement DevTools related method overrides.
  47
  48   int embedded_worker_id() const { return embedded_worker_id_; }
  49
  50  private:
  51   void OnFetchEvent(int thread_id,
  52                     int embedded_worker_id,
  53                     const ServiceWorkerFetchRequest& request);
  54
  55   const int embedded_worker_id_;
  56   const int64 service_worker_version_id_;
  57   const GURL script_url_;
  58   scoped_refptr<ThreadSafeSender> sender_;
  59   scoped_refptr<base::MessageLoopProxy> main_thread_proxy_;
  60
  61   blink::WebServiceWorkerContextProxy* proxy_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerContextClient);
  64 };
  65
  66 }  // namespace content
  67
  68 #endif  // CONTENT_CHILD_SERVICE_WORKER_EMBEDDED_WORKER_CLIENT_H_