ppapi/host/message_filter_host.h

   1 // Copyright (c) 2012 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 PPAPI_HOST_MESSAGE_FILTER_HOST_H_
   6 #define PPAPI_HOST_MESSAGE_FILTER_HOST_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "ppapi/host/ppapi_host_export.h"
  11 #include "ppapi/host/resource_host.h"
  12
  13 namespace ppapi {
  14 namespace host {
  15
  16 class PpapiHost;
  17 class ResourceMessageFilter;
  18
  19 // This class is a generic ResourceHost that is composed of a single
  20 // ResourceMessageFilter. There are cases where ResourceHosts only serve the
  21 // purpose of passing messages onto a message filter to be handled on another
  22 // thread. This class can be used as the host in those cases.
  23 class PPAPI_HOST_EXPORT MessageFilterHost : public ResourceHost {
  24  public:
  25   MessageFilterHost(PpapiHost* host,
  26                     PP_Instance instance,
  27                     PP_Resource resource,
  28                     const scoped_refptr<ResourceMessageFilter>& message_filter);
  29   virtual ~MessageFilterHost();
  30
  31  private:
  32   DISALLOW_COPY_AND_ASSIGN(MessageFilterHost);
  33 };
  34
  35 }  // namespace host
  36 }  // namespace ppapi
  37
  38 #endif  // PPAPI_HOST_MESSAGE_FILTER_HOST_H_