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_RENDERER_SERVICE_WORKER_EMBEDDED_WORKER_DISPATCHER_H_
   6 #define CONTENT_RENDERER_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 EmbeddedWorkerMsg_StartWorker_Params;
  14 class GURL;
  15
  16 namespace content {
  17
  18 // A tiny dispatcher which handles embedded worker start/stop messages.
  19 class EmbeddedWorkerDispatcher : public IPC::Listener {
  20  public:
  21   EmbeddedWorkerDispatcher();
  22   ~EmbeddedWorkerDispatcher() override;
  23
  24   // IPC::Listener overrides.
  25   bool OnMessageReceived(const IPC::Message& message) override;
  26
  27   void WorkerContextDestroyed(int embedded_worker_id);
  28
  29  private:
  30   class WorkerWrapper;
  31
  32   void OnStartWorker(const EmbeddedWorkerMsg_StartWorker_Params& params);
  33   void OnStopWorker(int embedded_worker_id);
  34
  35   IDMap<WorkerWrapper, IDMapOwnPointer> workers_;
  36   base::WeakPtrFactory<EmbeddedWorkerDispatcher> weak_factory_;
  37
  38   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerDispatcher);
  39 };
  40
  41 }  // namespace content
  42
  43 #endif  // CONTENT_RENDERER_SERVICE_WORKER_EMBEDDED_WORKER_DISPATCHER_H_