content/renderer/service_worker/embedded_worker_dispatcher.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_DISPATCHER_H_
   6 #define CONTENT_CHILD_SERVICE_WORKER_EMBEDDED_WORKER_DISPATCHER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/id_map.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "ipc/ipc_listener.h"
  12
  13 struct ServiceWorkerMsg_StartWorker_Params;
  14 class GURL;
  15
  16 namespace WebKit {
  17 class WebEmbeddedWorker;
  18 }
  19
  20 namespace content {
  21
  22 // A tiny dispatcher which handles embedded worker start/stop messages.
  23 class EmbeddedWorkerDispatcher : public IPC::Listener {
  24  public:
  25   EmbeddedWorkerDispatcher();
  26   virtual ~EmbeddedWorkerDispatcher();
  27
  28   // IPC::Listener overrides.
  29   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  30
  31   void WorkerContextDestroyed(int embedded_worker_id);
  32
  33  private:
  34   class WorkerWrapper;
  35
  36   void OnStartWorker(int embedded_worker_id,
  37                      int64 service_worker_version_id,
  38                      const GURL& script_url);
  39   void OnStopWorker(int embedded_worker_id);
  40
  41   IDMap<WorkerWrapper, IDMapOwnPointer> workers_;
  42   base::WeakPtrFactory<EmbeddedWorkerDispatcher> weak_factory_;
  43
  44   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerDispatcher);
  45 };
  46
  47 }  // namespace content
  48
  49 #endif  // CONTENT_CHILD_SERVICE_WORKER_EMBEDDED_WORKER_DISPATCHER_H_